KR20110016814A - Self-closing apparatus - Google Patents

Abstract

PURPOSE: An automatic closing device is provided to reduce size of a device and a number of a component by controlling elastic force and speed with one member. CONSTITUTION: An automatic closing device(100) is comprised of a housing body(111), a fastening unit(120), an operating unit(130), a damper(140). A housing member is arranged in one side of a fastened operating body. Inside the housing body, an insertion ball(112) is formed. The operation body is inserted in an insertion ball. The fastening unit fastens or releases a drawer by rotation in support state inside a housing body. The operating unit is moved in one side and other side by being connected to rotation of fastening unit. A damper provides an operation force moving to one side and other side by being connected to other side of the operating unit.

Description

Self-closing apparatus

The present invention relates to an automatic closing device.

Generally, furniture, refrigerators, ovens, electronic products, and the like are provided with drawers that can be opened and closed to accommodate or take out objects according to the respective purposes. That is, in the case of furniture, clothes stored inside are stored in the refrigerator, and in the case of refrigerator, various foods and vegetables are stored in low temperature, and in the oven, food is stored The drawer is installed in the form can be accommodated and withdrawn while being moved in and out. Such a drawer body is connected to a main body of each device by a sliding device, and can be smoothly slid by a user's operation, withdrawal and withdrawal operations to receive and withdraw an object.

As described above, the sliding device for coupling the drawer body to the main body so as to slide is provided with a sliding body for rolling motion such as a ball or a roller, which is installed to be withdrawn and withdrawn while the drawer slides. Even with a small force can be withdrawn and drawn, the user's convenience can be improved as the drawer is operated smoothly.

However, a conventional sliding device is to slide the drawer body to be operated by a small force, and when the drawer body is pulled in with excessive force, the drawer body is not stopped in the closed position but is redrawn by collision with the main body, and the drawer is drawn when the drawer body is pulled in with a weak force. There was a problem that the sieve did not close completely. In particular, the drawer body installed in the refrigerator has a problem that the food stored therein is corrupted due to leakage of cold air generated therein when the drawer body is not completely closed.

In recent years, an automatic closing device capable of automatically closing the drawer body is used. The automatic closing device is automatically closed by the spring force of the drawer when the drawer is drawn in, and the closing force is provided so that the drawer is kept closed by the elastic force. Such an automatic closing device may be provided with a damper which reduces the action force of the spring upon closing by the action of the spring so that it closes smoothly. That is, when the spring force is applied when the drawer is pulled in, the drawer is closed with excessive force, and the automatic closing device and the drawer can collide with each other and be damaged, thereby reducing the elastic force of the spring. Can be prevented.

In such a conventional self-closing device, an elastic body that provides an automatically closing action force must be installed, and an additional device for reducing the elastic force that reduces the action force of the elastic body upon inlet is required. However, there is a problem that the volume is increased by increasing the device.

In addition, the conventional automatic closing device is a problem that often occurs when the elastic body that is operated to automatically close the closing mechanism is engaged with the drawer body when excessive force is applied and the automatic closing operation is stopped in the progress position when the closing operation is stopped. There was this.

In addition, the conventional self-closing device is equipped with an elastic body that is automatically closed and a damper for reducing the elastic force, respectively, it is difficult to miniaturize the product according to the number of parts according to the interlock. That is, the volume of the parts cannot be reduced as the elastic body generating the action force for automatically closing the drawer body and the dampers for reducing the force at the position where the elastic body is applied can be interlocked with each other. There has been a problem that the miniaturization of the device is difficult.

The problem to be solved by the present invention is to provide a damper-type single member to the closing device that is automatically engaged with the drawer body is closed and closed, the elastic force and speed as it can be closed smoothly by controlling the closing operation speed As the control is made of one member at the same time, it is to provide a self-closing device in which the parts are reduced and the manufacturing cost is reduced, and the apparatus is miniaturized to increase the installation efficiency.

The automatic closing device according to an embodiment of the present invention is an automatic closing device for automatically closing while engaging and releasing and engaging an actuator projecting on one side of a drawer body that is slid by a sliding device to a body, and one side that is engaged with the actuator. A housing body having an insertion hole penetrated at a position into which the actuator is inserted, and disposed inside the housing body, the drawer body being caught by rotation while being supported inwardly of the housing body Engaging means for engaging and releasing, disposed inside the housing body, and connected to the locking means so as to be rotated and moved to one side and the other side, and disposed inside the housing body, the other side to the operating means And a damper connected to the damper to provide an actuation force to be moved to one side and the other side. When the drawer body is drawn in, the actuator is locked and moved to a moving position by rotation, and the actuator coupled to the locking means is moved together with the drawer while the actuating means is moved in the pulling direction by the operation of the damper. It can be automatically closed, and when the drawer is taken out, it is moved together with the actuator in the drawing direction, the locking means is released by the rotation of the locking means by the movement of the actuating means to release the drawer, After withdrawal, the locking means may be supported in a state in which the damper is compressed inside the housing body.

In addition, a hinge hole penetrated in one direction of the locking means may be formed on one side of the operating means, and a hinge protrusion may be formed on the other side of the locking means to protrude in the direction of the operating means and be inserted into the hinge hole. The locking means may be rotated about the hinge hole is coupled to the hinge projection is inserted into the hinge hole.

In addition, the inner wall of the housing body protrudes, and has a straight boundary groove of a straight shape in one direction from the other side inward, one end of the straight boundary groove further has a boundary wall having a curved curved boundary groove of the curved shape toward the side. The boundary wall may be moved while the locking means to which the actuator is engaged when the drawer is pulled in is rotated along the curved boundary groove to be guided in the linear boundary groove. The locking means may be moved along the straight boundary groove while the engaging means is pulled out when the withdrawal of the actuator is rotated along the curved boundary groove to release the engagement of the actuator.

In addition, a penetrating hole may be formed in the inner side of the boundary wall so that the linear boundary groove is exposed in the other direction of the linear boundary groove so that the through hole is moved by elasticity. The linear boundary grooves may be moved by elasticity to release the malfunction as the gap increases, and may be returned by elasticity to its original position so that the linear boundary grooves of the boundary wall are guided again after the malfunction is released.

In addition, the locking means is disposed in the interior of the housing body, the locking body having a locking groove for engaging the actuator on one side, protrudes on one side of the housing body direction of the locking body, along the straight boundary groove A rotation protrusion which is moved and inserted to rotate along the curved boundary groove, and a support protrusion which protrudes in the center of the housing body direction of the locking body and is supported by the locking body inserted and rotated in the linear boundary groove. The rotation protrusion inserted into the curved boundary groove about the support protrusion may be rotated in the direction of the linear boundary groove while the actuator is caught by the locking groove when the drawer is pulled in so as to act on the operating force of the damper. Can be closed automatically, and the actuator is caught when the drawer is withdrawn When the engaging body is moved together and moves along the straight boundary groove in the curved boundary groove direction, the rotation protrusion is rotated to be inserted into the curved boundary groove about the support protrusion to release the engagement of the actuator. After the release, the rotation protrusion may be inserted into the curved boundary groove to support the damper in a compressed state.

In addition, a protruding inside the housing body, and a straight protrusion protruding in a straight form from one side to the other direction so that the locking means is guided, and protrudes inside the housing body, the side end at one end to the straight protrusion It may further include a curved projection protruding in a curved form toward the projection, wherein the locking means for engaging the actuator when the drawer is drawn is rotated along the curved projection to be guided in the linear projection The locking means may be moved along the straight protrusion and then rotated along the curved protrusion while the working body coupled to the drawer is pulled out when the drawer is pulled out.

In addition, a buffer hole may be formed inside the housing body so that the straight protrusion is moved by elasticity in the other direction of the straight protrusion, so that the straight protrusion is elastic when malfunctioning in the other direction of the straight protrusion. The malfunction may be released as the gap is widened, and after the release of the malfunction, elasticity may be returned to the original position where the linear protrusion is guided again by elasticity.

In addition, a locking groove for engaging and releasing the actuator may be formed on one side of the locking means, and one side of the locking means may have a linear guide guide groove formed from one side to the other side to insert the linear protrusion. And, one side of the locking means may be formed in the rotation guide groove of the curved shape so that the curved projection is inserted at one end of the support guide groove, when the drawer body is drawn in the actuator to the locking groove The locking guide groove inserted into the curved protrusion while being locked may be rotated in the linear protrusion direction and automatically closed by the operating force of the damper. The rotation guide groove is inserted while being rotated in the direction of the curved protrusion along the straight protrusion while being moved together. The engaging engagement of the actuator is released, and after the release, the rotation guide groove is inserted into the curved protrusion to maintain the damper in a compressed state.

In addition, the actuating means is disposed inside the housing body, the actuating body connected to the engaging means and moved together, and protruding to the other side of the engaging body, the fixing groove is inserted into and fixed to one side The operation body may include an operation protrusion, and the operation body may move the locking means connected to the operation of the damper by inserting and fixing the operation portion of the damper into the fixing groove.

In addition, the damper is disposed on one side of the housing body, the damper body for receiving fluid therein and continuously pressurizing in one direction, and the damper body disposed in one side from the inside of the damper body, the fluid received therein And a damper shaft having a shaft fixing groove which is pressurized to be positioned in one direction by a compression force of the one side and whose cross-sectional area is reduced to be inserted into the fixing groove on one side, wherein the damper shaft is compressed with the fluid compressed when the drawer body is drawn in. By moving the operating means in the pulling direction by the compressive force of the moving the coupled coupled actuator can be automatically closed the drawer body, the damper shaft is caught by the release of the drawer body when the catch is released The means may be held in a position where the fluid is compressed to maintain the compressed state.

And, protrudes apart at a predetermined interval on one side of the housing body, guide projections respectively located in the other direction from one side to which the operating means is moved, and protrudes in the direction of the housing body of the operating means, the guide It may further include an operation guide projection which is inserted between the projections to guide the operation means, wherein the operation means moved by the operation of the damper is the locking means by the operation guide projections inserted into the guide projections. It can be moved while being guided to maintain the position to move and engage the engaging.

According to an embodiment of the present invention, a device for generating an action force that is automatically closed to an auto closing device that is automatically closed while being engaged and released by a drawer coupled to the sliding device so as to slide on the main body and an apparatus for controlling the speed of the action force are integrated. As it is provided in the form of a damper, the number of parts is reduced, manufacturing cost is reduced, and the size of the device can be reduced by miniaturization, thereby providing an effect of improving installation efficiency.

In addition, the speed control damper is installed as a single member to provide automatic closing force to the automatic closing device that is engaged and released with the drawer and automatically closed, enabling smooth operation as the closing force is controlled during automatic closing. Therefore, the impact of the automatic closing device and the drawer is minimized to increase the service life, and the drawer of the drawer is smoothly operated to provide the effect of improving the operating efficiency.

In addition, the force generated by the damper as a single member is automatically closed, and as the speed of the force is adjusted inside the damper, the action force is generated and the speed is adjusted simultaneously in one device without any other device, thereby improving convenience of use. To be effective.

In addition, as compared with being coupled to a plurality of members, the locking mechanism which is engaged with the drawer body and is released to be automatically closed while being engaged to be operated by a damper, which is a single member whose speed is controlled at the same time that the operating force is generated Therefore, the structure is simple and the number of parts can be reduced, thereby reducing the manufacturing cost and miniaturizing the device, thereby providing an effect of improving the ease of installation.

1 is an exploded perspective view showing an automatic closing device according to an embodiment according to the present invention.
Figure 2 is a perspective view of the combination showing the automatic closing device of FIG.
3 is a front view showing the automatic closing device of FIG.
4 is a rear perspective view showing the locking means which is the main part of the automatic closing device of FIG.
5 is a cross-sectional view showing the automatic closing device of FIG.
6 is a use state diagram illustrating a state in which a drawer body is inserted into the automatic closing device of FIG. 1.
7 is a use state diagram illustrating a state in which a drawer body is coupled to the automatic closing device of FIG.
8 is a use state diagram showing a state in which the drawer body is automatically closed in the automatic closing device of FIG.
Fig. 9 is a use state diagram illustrating a withdrawal state of a drawer body in the automatic closing device of Fig. 1.
10 is a use state diagram illustrating a state in which the drawer body is released from the automatic closing device of FIG.
11 is a use state diagram illustrating a state in which a drawer body malfunction of the automatic closing device of FIG. 1 is released;
12 is an exploded perspective view showing an automatic closing device according to another embodiment of the present invention.
FIG. 13 is a front view illustrating the automatic closing device of FIG. 12.
Fig. 14 is a rear perspective view showing the locking means which is the main part of the automatic closing device of Fig. 12.
FIG. 15 is a use state diagram illustrating a drawer body drawn-in state of the automatic closing device of FIG. 12. FIG.
16 is a use state diagram illustrating a state in which the drawer body of the automatic closing device of FIG. 12 is automatically closed;

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art may easily implement the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Like parts are designated by like reference numerals throughout the specification.

Then, the automatic closing device according to an embodiment of the present invention will be described with reference to FIGS. 1 to 5.

1 is an exploded perspective view showing an automatic closing device according to an embodiment of the present invention, FIG. 2 is a combined perspective view showing the automatic closing device of FIG. 1, FIG. 3 is a front view showing the automatic closing device of FIG. 1, 4 is a rear perspective view showing the locking means which is a main part of the automatic closing device of FIG. 1, and FIG. 5 is a sectional view showing the automatic closing device of FIG.

1 to 5, the automatic closing device 100 according to an embodiment of the present invention automatically draws the drawer body 1 coupled to the main body that accommodates the objects in the form of a drawer by the sliding device 2. It is installed in the position that can be closed. That is, the automatic closing device 100 is coupled to the sliding device (2) is engaged with the actuator (3) protruding on one side of the drawer (1) to be slid to be automatically closed, and the locking engagement is released, the drawer body (1) can be withdrawn. The automatic closing device 100 is fixed to the main body so that the actuator 3 can be engaged while the drawer 1 is slidingly moved, and can be installed on one side of the sliding device 2 that is fixed to the main body. have. The above-described body may be used in various ways such as furniture, refrigerators, ovens, and electronic products, so that description thereof will be omitted.

The automatic closing device 100 includes a housing unit 110, the locking means 120, the operating means 130, and a damper 140. The housing unit 110 includes a housing body 111, a boundary wall 113, a damper support 114, and a guide protrusion 117 disposed at a position where the actuator 3 is inserted. The housing body 111 is disposed at a position where the actuator 3 is inserted when the drawer 1 is drawn in, and is penetrated in an open form so that the actuator 3 can be inserted in a long hole shape on one side thereof. It has an insertion hole 112. Insertion hole 112 is formed in a position that is automatically closed when the drawer 1 is pulled in and out, and the one side is drawn in and out is open, the operation means 3 is latched to the open side (120) It can be inserted so that it can be engaged and released.

The boundary wall 113 protrudes inside the housing body 111 and protrudes at a position for guiding the locking means 120 to one side of the insertion hole 112. The boundary wall 113 protrudes from the housing body 111 to guide the movement path of the locking means 120 which is rotated so that the actuator 3 is engaged and released. Inside the boundary wall 113, a linear boundary groove 113a is formed to move the locking means 120 in a straight line at the time of automatic insertion and withdrawal, and the locking means 120 which is one end of the linear boundary groove 113a is pulled in. A curved boundary groove 113b having a curved shape bent in one direction is formed at the starting and ending position. The locking means 120 inserted and supported in the curved boundary groove 113b before the drawer 1 is drawn in is straight in the curved boundary groove 113b while the actuator 3 is engaged when the drawer 1 is pulled in. It is moved toward the boundary groove 113a and can be automatically closed by the operation of the damper 140. When the user draws out the drawer 1 after the drawer 1 is automatically closed, the actuator 3 moves in the drawing direction. When the locking means 120 is moved along the straight boundary groove 113a and reaches the curved boundary groove 113b while being moved, the locking means 120 is rotated along the curved curve shape of the curved boundary groove 113b, thereby moving the actuator. (3) and the locking means 120 can be released to draw the drawer (1). That is, the boundary wall 113 is installed at a position where the locking means 120 is guided to be automatically closed and drawn out while being rotated to engage and release the locking means.

In addition, the through hole 113c penetrated so that the gap is changed due to elasticity is exposed to the outside of the linear boundary groove 113a of the boundary wall 113 in the inflow direction of the linear boundary groove 113a of the boundary wall 113. Formed. That is, when the locking means 120 moves inside the linear boundary groove 113a, a malfunction may occur that is not operated by the locking. When the drawer 1 is forcibly pulled in, the actuator 3 is caught. The means 120 is moved to the position of the through hole 113c while being inserted into the linear boundary groove 113a of the boundary wall 113. When the moving means 120 reaches the position of the through hole 113c, the distance between the linear boundary grooves 113a of the boundary wall 113 is widened, and the locking means 120 is returned to a position where the locking means 120 is operated again. Since the space where the linear boundary groove 113a of the boundary wall 113 is widened is returned to its original position by elasticity, the malfunction can be returned to the normal operation state by the forced drawing operation, and the operation efficiency can be improved.

The damper support body 114 is disposed on one side of the housing body 111, and the inner side of the damper support body 114 is installed so that the damper 140 for activating the locking means 120 and the operating means 130 to automatically close the actuator 3 is installed. Has a damper support space 115. The damper support space 115 is provided with a damper 140 to provide power for the actuator 3 to automatically close. In the in-in direction of the damper support member 114, the shaft settle groove 116 into which the operating portion of the damper 140 is inserted is formed.

The guide protrusion 117 protrudes on the other side of the housing body 111, and protrudes at predetermined intervals to guide the operating means 130. The guide protrusion 117 is spaced apart at predetermined intervals in a position facing each other to guide the position where the operating means 130 installed between the locking means 120 and the damper 140 is moved by the operation of the damper 140. Each protrudes.

The locking means 120 includes a locking body 121, a locking guide protrusion 123, and a hinge protrusion 124 disposed at a position of the insertion hole 112 of the housing body 111. The locking means 120 includes a locking body 121, a locking guide protrusion 123, and a hinge protrusion 124 disposed at a position of the insertion hole 112 into which the actuator 3 of the housing body 111 is inserted. do. The locking body 121 is disposed inside the housing body 111 and is located in the insertion hole 112 that is engaged with the actuator 3 when the drawer 1 is pulled in and out. In the direction of the actuator 3 of the locking body 121, a locking groove 122 is formed to be inserted such that the actuator 3 is engaged and released. The catching groove 122 is formed at one side of the catching body 121 into which the actuator 3 is inserted, catches and releases when the drawer 1 is pulled in and out. The locking body 121 is guided to the curved boundary groove 113b and the linear boundary groove 113a formed inside the boundary wall 113, and the actuator 3 is inserted into the locking groove 122 by linear and rotational movements. It is installed to engage and release the jam. That is, the catching body 121 is guided to the curved boundary groove 113b and is formed to be inclined of the catching groove 122 before the drawer body 1 is drawn in, so that the actuator 3 has the catching groove when the drawer body 1 is drawn in. 122 is positioned to be inserted into, and when the actuator (3) is retracted, the locking body (121) is rotated in the direction of the linear boundary groove (113a) from the curved boundary groove (113b), the actuator (3) is the locking groove ( It is inserted into the latch 122 and may be automatically closed by the operating force of the damper 140. In addition, when the drawer 1 is pulled out, the locking body 121 is moved along the linear boundary groove 113a and then moved to the curved boundary groove 113b, so that the locking groove 122 is rotated while the locking body 121 is rotated. The actuator 3 can be pulled out at an inclination. Here, the locking body 121 may be inserted into the curved boundary groove 113b and supported at the stop position to maintain the damper 140 in a compressed state.

The locking guide protrusion 123 protrudes in the direction of the boundary wall 113 of the locking body 121 and protrudes to guide the movement during the linear and rotational movement of the locking body 121. The locking guide protrusion 123 may be guided in a state inserted into the curved boundary groove 113b and the straight boundary groove 113a when the locking body 121 moves to perform linear and rotational movements. The locking guide protrusion 123 may protrude at least one to support the linear and curved motion. Such, the locking guide projection 123 is inserted into the curved boundary groove (113b) to guide the rotation during the rotational movement and the linear guide groove (113a) is inserted into the linear boundary groove (113a) to guide the linear movement. The support protrusion 123b is supported to rotate to the rotation center of the rotation protrusion 123a during rotation. The rotary protrusion 123a protrudes in the direction of the boundary wall 113, which is the drawing direction of the catching body 121, and is inserted into the curved boundary groove 113b at the start and the end of the catching body 121 to catch the catching body. By rotating the 121, the withdrawal position of the locking groove 122 is opened to guide the actuator 3 to be engaged and released. The support protrusion 123b protrudes toward the boundary wall 113 in the center of the locking body 121 and is inserted into the straight boundary groove 113a. The support protrusion 123b may guide the locking body 121 which is moved inside the linear boundary groove 113a at the time of the automatic closing and withdrawal of the drawer 1, and at the withdrawal and withdrawal of the drawer 1. The rotation may be inserted into the linear boundary groove 113a to serve as a rotation center axis of the rotation protrusion 123a that is rotated at the engaged and released position to guide the rotation.

The hinge protrusion 124 protrudes on the inlet side of the catching body 121 and is hinged to the operating means 130. The hinge protrusion 124 hinge-couples the locking body 121 that is linear and rotational movements with the operating means 130 that is linear movement, and the linear movement while the locking body 121 can be rotated around the hinge protrusion 124 at the same time The locking body 121 and the operating means 130 are connected to be performed.

The actuating means 130 includes an actuating body 131, an actuating protrusion 133, and an actuating guide protrusion 117 disposed in the drawer body 1 withdrawal direction of the catching body 121. The operation body 131 is disposed between the locking means 120 and the damper 140, and transmits the operating force of the damper 140 to the locking body 121 that is engaged with and released from the actuator 3. It is connected to the locking body 121 and the damper 140, respectively. A hinge hole 132 is formed in the inlet direction of the operation body 131 to which the hinge protrusion 124 is inserted and hinged. The hinge protrusion 124 is inserted into the hinge hole 132 so that the operating body 131 is hinged to the locking body 121 so that the locking body 121 can perform linear and rotational movements in the operating body 131. The operating force of the damper 140 may be transmitted.

The actuating protrusion 133 protrudes on the inlet direction side of the actuating body 131 and is connected to the actuating position of the damper 140 to protrude so that the actuating protrusion 133 is moved by the actuation of the damper 140. The actuating protrusion 133 protrudes at a position connected to the damper 140 and is fixedly coupled to be moved by the actuation of the damper 140. A fixing groove 134 is formed inside the operation protrusion 133 to which the damper 140 is inserted and fixed. The fixing groove 134 may fix the operation body 131 so that the damper 140 is inserted and fixed so that the operation protrusion 133 can be moved by an action force.

The operation guide protrusion 117 protrudes in the direction of the housing body 111 of the operation body 131, and is inserted between the guide protrusions 117 which are separated at predetermined intervals to guide the operation body 131. The operation guide protrusion 117 may be inserted between the guide protrusions 117 to guide the path in which the operation body 131 moves in a straight line by the operation of the damper 140 to guide the movement.

The damper 140 includes a damper body 141 and a damper shaft 142 disposed at a position connected to the operation body 131. The damper body 141 is inserted into the damper support 114, and contains a fluid that provides an actuation force therein. The damper body 141 is accommodated in the damper support space 115 formed inside the damper support body 114, and maintains a compressed state before the drawer body 1 is drawn in, and then the drawer body 1 is drawn in. As the locking body 121 is rotated, the locking body 121 may be automatically closed by the compressive force of the damper 140. When the drawer 1 is drawn out after the automatic closing, the actuator 3 is locked to the locking body 121 and the operating body 131. The drawer body 1 is drawn out in a state in which the damper body 141 is compressed by moving the damper body 141, and the damper body 141 may be fixedly supported so as to maintain the compression.

Here, the fluid accommodated in the damper body 141 may include any fluid that generates a compressive force. That is, both gaseous gas and liquid oil can be used. Typically, any fluid used in a shock absorber that cushions various shocks or a controller that controls the speed of movement can be used.

The damper shaft 142 is disposed in the extraction direction in the damper body 141, and the pressing force is continuously applied to maintain the tensioned position by the fluid contained therein. The damper shaft 142 is inserted into the shaft settled groove 116 opened to one side of the damper support space 115, and the end of the pulling direction is inserted and fixed to the actuating protrusion 133 and compressed when the drawer body 1 is drawn in. By the operating force of the damper body 141, the operating protrusion 133 can be operated in the automatic closing position. In addition, when the drawer 1 is pulled out, the damper shaft 142 inserted and fixed to the actuating protrusion 133 is moved to the ejecting position according to the movement of the actuating body 131 to compress the fluid inside the damper body 141. Let's do it. A shaft fixing groove 143 is formed at the end of the damper shaft 142 in the inlet direction to reduce the cross-sectional area and to be inserted into the fixing groove 134. The shaft fixing groove 143 is inserted into the fixing groove 134 so that the damper shaft 142 is inserted and fixed to the operating protrusion to transmit the operating force of the damper 140 to be tensioned at the time of the drawer body 1 to the operating body by The hinge coupled locking body 121 is moved in the pulling direction to automatically close the drawer body 1. In addition, a damper inserted into the fixed groove 134 as the shaft fixing groove 143 and fixed by the movement of the operating body 131 which is moved together by the movement of the locking body 121 when the drawer 1 is pulled out and pulled out. The shaft 142 can be moved to a location where it is compressed.

As described above, the operating state of the self-closing device according to an embodiment of the present invention configured will be described with reference to FIGS. 6 to 11.

Referring to FIG. 6, the drawer body 1 is drawn out and stored in the state in which the drawer 1 is drawn out, and when the drawer body 1 is finished, the drawer body 1 is pressed in the pulling direction. At this time, the automatic closing device 100 is held in a stopped state by maintaining the rotation state so that the pulling direction of the locking body 121 disposed at the position where the actuator of the drawer 1 is inserted, the locking body 121 is supported. The damper 140 is compressed to generate a continuous force in the direction in which the operating body 131 coupled to the hinge is inserted.

When the drawer 1 is pressed in the inlet direction, the drawer 1 is slid by the sliding device 2 and the actuator 3 located on one side is inserted into the housing body 111 of the automatic closing device 100. It is retracted to be inserted into the ball 112.

Referring to FIG. 7, when the drawer body 1 is continuously pulled in, the actuator 3 is inserted into the open inlet position of the catching groove 122 to move the catching body 121 in the pulling direction. When the locking body 121 is moved in the inlet direction, the rotation protrusion 123a is rotated while being supported by the support protrusion 123b along the curved boundary groove 113b so that the actuator 3 is inserted into the locking groove 122 at both sides. Thus, the actuator 3 is engaged with the engaging groove 122. After the engagement is engaged, the rotation protrusion 123a and the support protrusion 123b may be inserted into the linear boundary groove 113a to be stopped by the compression force of the damper 140.

At this time, the hinge protrusion 124 is inserted into the hinge hole 132, the locking body 121 is hinged to the operation body 131, so that the locking body 121 is connected to move together with the operation body 131 Can be rotated in a state.

When the stop state is released, the compressive force of the damper 140 is acted to move the actuating projection fixed to the damper shaft 142 along with the actuating body 131 in the direction in which the drawer body 1 is drawn in, and the actuating body 131. When the hinge is coupled to the locking body 121 is moved together, the actuator (3) coupled to the locking groove 122 can be automatically closed in the draw direction with the drawer (1). That is, the actuation force of the damper 140 may automatically move the operation body 131 and the locking body 121 in the pulling direction to automatically close the drawer body 1 together with the engaging actuator 3. . In addition, the operating force of the damper 140 is generated by the compressed fluid, and the pulling speed is lowered compared to the elastic force of the spring, so that the damper 140 can be operated smoothly. At this time, the operation body 131 can be moved while being moved in a straight line by the operation guide projection 117 inserted between the guide projections 117 separated by a predetermined distance at the time of movement by the compression force of the damper 140. To guide.

Referring to FIG. 8, the damper shaft 142 is maintained in a tensioned state by the compressive force of the fluid inside the damper body 141 in a state in which the drawer 1 is automatically closed. Accordingly, the operating body 131 fixed to the damper shaft 142 and the locking body 121 hinged to the operating body 131 may be maintained in a retracted state. In addition, as the drawer 1 is closed by the compressive force of the fluid of the damper body 141, redrawing can be prevented as the closing speed is lowered as compared with the spring.

Referring to FIG. 9, when the drawer body 1 is withdrawn after the automatic closing, the actuator 3 is moved in the withdrawal direction along the sliding device 2, and when the actuator 3 is moved, the catching body is engaged. 121 is moved in the pulling direction. When the locking body 121 is moved, the operating body 131 which is hinged is moved in the inlet direction so that the damper shaft 142 fixed to the actuating protrusion 133 is moved in the extraction direction, so that the inside of the damper body 141 is moved. The fluid stored in the can be compressed.

Referring to FIG. 10, when the drawer 1 is moved in the drawing direction, the locking body 121 engaged with the actuator 3 is inserted along the linear boundary groove 113a and the supporting protrusion 123a and the supporting protrusion. The damper 140 may be compressed while being moved to the drawing direction while being guided to 123b, and the hinged working body 131 is moved together. If withdrawal of the drawer body 1 continues, the rotation protrusion 123a of the locking body 121 is inserted into the curved boundary groove 113b and rotated about the support protrusion 123b so that the locking body 121 is tilted and locked. As the drawing direction of the groove 122 is opened to release the latch of the actuator 3, the drawer 1 may be drawn out. After the drawer 1 is drawn out, the locking body 121 is rotated and the damper 140 is compressed as the rotary protrusion 123a is inserted into the curved boundary groove 113b to maintain the stopped position. Can be maintained.

Therefore, when the drawer 1 is retracted after withdrawal, the automatic closing operation may be repeatedly performed as the automatic closing operation is performed by the compression force of the damper 140.

Referring to FIG. 11, the rotation protrusion 123a and the support protrusion 123b protruding on one side of the locking body 121 to guide the rotation and linear movement while the draw and draw operations of the drawer 1 are repeated are boundary walls ( It is moved while being guided to the linear boundary groove 113a and the curved boundary groove 113b of 113. At this time, the rotation protrusion 123a and the support protrusion 123b may be separated from the linear boundary groove 113a or the curved boundary groove 113b by the occurrence of external impact or friction, thereby causing a malfunction in which the automatic closing operation is not performed. . If a malfunction occurs, the drawer 1 is forcibly pulled in so that the locking means 120 is moved in the direction of the linear boundary groove 113a, and the rotation protrusion 123a and the support protrusion 123b of the locking body 121 are moved. When the through hole 113c reaches the position, the gap is widened by elasticity at the position of the linear boundary groove 113a of the boundary wall 113 and the rotation protrusion 123a and the support protrusion 123b are returned to their normal operation positions. . After the locking body 121 returns to the normal operating position, the actuator 3 is continuously drawn in and passes through the through hole 113c, so that the linear boundary groove 113a of the boundary wall 113 is widened by the elastic force. It can be returned to normal operation and can be restarted. That is, even if a malfunction occurs, the operation efficiency can be improved as it can be normally operated by the drawing operation of the drawer 1.

In addition, the automatic closing device according to another embodiment of the present invention will be described with reference to FIGS. 12 to 16.

12 is an exploded perspective view showing an automatic closing device according to another embodiment of the present invention, Figure 13 is a front view showing the automatic closing device of Figure 12, Figure 14 is a locking means that is a major part of the automatic closing device of FIG. It is a back perspective view shown, FIG. 15 is a use state diagram which shows the drawer body retracted state of the automatic closing device of FIG. 12, and FIG. 16 is a use state diagram which shows the state which the drawer body of the automatic closing device of FIG.

12 to 16, the automatic closing device 100 of the present invention includes a housing part 110, a locking means 120, an operating means 130, and a damper 140. Here, the parts of the housing 110 and the locking means 120 and the components of the actuating means 130 and the damper 140 are substantially the same as the automatic closing device 100 shown in FIGS. 1 to 5. The description is omitted.

The housing unit 110 includes a housing body 111, a guide protrusion 118, and a damper support 114. The guide protrusion 118 protrudes inside the housing body 111, and protrudes so that the locking means 120 is inserted and guided. The guide protrusion 118 protrudes to guide the locking means 120 that rotate and linearly move to engage and release the actuator 3 formed on one side of the drawer 1. The guide protrusion 118 is composed of a straight protrusion 118a for guiding the locking means 120 during linear movement and a curved protrusion 118b for guiding during the rotary movement. The linear protrusion 118a protrudes in a straight line from the inlet to the outlet direction on one side of the insertion hole 112 in which the locking means 120 moves linearly. The curved protrusion 118b protrudes in a curved shape that is curved toward the side at the end of the straight direction 118a in the insertion direction so that the locking means 120 is rotated. Before the drawer 1 is drawn in, the locking means 120 is guided to the curved protrusion 118b so that the actuator 3 can be engaged, thereby maintaining a stopped state in which the compression force of the damper 140 is applied. When the actuator 3 comes into contact with the locking means 120 when the sieve 1 is drawn in, it moves from the curved protrusion 118b to the linear protrusion 118a and guides the straight protrusion 118a with the compression force of the damper 140. Can be activated automatically. In addition, when the drawer 1 is withdrawn after the automatic closing, the locking means 120 may pass through the straight protrusion 118a to be released by rotation at the curved protrusion 118b position.

In addition, a buffer hole 118c through which the straight protrusion 118a is exposed to the outside and moved by elasticity is formed in the inlet direction of the straight protrusion 118a. That is, a malfunction may occur when the locking means 120 is inserted into the straight protrusion 118a and is not operated by the locking. At this time, if the drawer 1 is forcibly pulled in, the actuator 3 is locked. While moving 120 is inserted into the linear protrusion 118a to the buffer hole 118c position to move. When the locking means 120 reaches the position of the buffer hole 118c, the linear protrusion 118a is moved by elasticity and returned to the position where the locking means 120 is operated again. By returning the portion where) is moved back to its original position by elasticity, the malfunction can be returned to the normal operation state by the forced retracting operation so that the operating efficiency can be improved. The catching means 120 has one side of the drawer body 1. The actuator (3) disposed in the position is disposed in the engaging position, the actuator (3) is composed of a locking body 121 that can be automatically closed operation while engaging and releasing the engaging. The locking guide groove 125 into which the guide protrusion 118 is inserted is formed in the direction of the housing body 111 of the locking body 121. The locking guide groove 125 includes a rotation guide groove 125a and a support guide groove 125b that respectively support the linear movement and the rotational movement of the locking body 121. The rotation guide groove 125a is formed in the withdrawal direction of the locking body 121, and is formed in a curved shape that is curved toward the side to correspond to the curved inclination of the curved protrusion 118b. The support guide groove 125b is formed to communicate with the rotation guide groove 125a so that the straight protrusion 118a is inserted and guided in the pulling direction. That is, the locking guide groove 125 has a locking body 121 is inserted into the rotation protrusion 123a and the support protrusion 123b when the drawer body 1 is pulled in and out, and the drawer body 1 is automatically closed. It is formed in the locking body 121 to guide after the automatic closing. In addition, the rotation guide groove 125a may be supported by the locking guide groove 125 while being in contact with the rotation protrusion 123a when the locking body 121 rotates, and the support guide groove 125b is the locking body 121. It may be guided while in contact with the support protrusion (123b) during the linear movement of. The rotation guide groove 125a is in contact with the rotation protrusion 123a before the drawer 1 is pulled in so that the locking body 121 and the operating means 130 are supported to maintain the stop state with the damper 140 compressed. When the drawer 1 is retracted, the actuator 3 contacts the locking body 121 while being rotated along the rotation protrusion 123a, so that the support protrusion 123b contacts the support guide groove 125b. It can guide the locking body 121 is automatically closed by the compression force of the damper 140 in the state. In addition, when the drawer body 1 is withdrawn after the automatic closing, the guide body 125b is guided along the straight protrusion 118a and guided while the locking body 121 is moved to reach the rotation protrusion 123a. The groove 125a may be guided while contacting the rotating protrusion 123a.

Although the preferred embodiments of the present invention have been described in detail above, the scope of the present invention is not limited thereto, and various modifications and improvements of those skilled in the art using the basic concepts of the present invention defined in the following claims are also provided. It belongs to the scope of rights.

100: automatic closing device 110: housing part
111: housing body 112: insertion hole
113: boundary wall 113a: straight boundary groove
113b: curved boundary groove 113c: through hole
114: damper support 115: damper support space
116: shaft set groove 117: guide projection
118: guide protrusion 118a: straight protrusion
118b: curved protrusion 118c: buffer hole
120: locking means 121: locking body
122: locking groove 123: locking guide projection
123a: rotation protrusion 123b: support protrusion
124: hinge protrusion 125: hook guide groove
125a: rotation guide groove 125b: support guide groove
130: operating means 131: operating body
132: hinge hole 133: working projection
134: fixing groove 135: operation guide projection
140: damper 141: damper body
142: damper shaft 143: shaft fixing groove

Claims (11)

In the automatic closing device for automatically closing while engaging and releasing and engaging with the actuator projecting on one side of the drawer body sliding to the main body,
A housing body which is disposed on one side of the engaging body and has an insertion hole penetrated at a position at which the actuator is inserted;
It is disposed inside the housing body, the locking means for engaging and releasing the drawer body by rotation in a state supported inwardly of the housing body,
It is disposed inside the housing body, the operating means connected to the locking means is rotated and moved to one side and the other side, and
Is disposed inside the housing body, the damper is connected to the other side to the operating means to provide an actuation force moved to one side and the other side
Including;
When the drawer body is drawn in, the actuator is locked and moved to a moving position by rotation, and the actuator coupled to the catching means is moved together with the drawer while the actuating means is moved in the pulling direction by the operation of the damper. Can be closed automatically,
When the drawer is taken out, the drawer is moved together with the actuator in the drawing direction, and the locking means is released while the locking means is rotated by the movement of the actuating means, so that the drawer is pulled out. The damper can be supported in a compressed state inside the housing body
Self-closing device. The method of claim 1,
One side of the operating means is formed with a hinge hole penetrated in the direction of the locking means,
On the other side of the locking means is formed a hinge protrusion protruding in the direction of the operating means is inserted into the hinge hole,
The locking means is the hinge protrusion is inserted into the hinge hole can be rotated about the hinge hole
Self-closing device. The method of claim 1,
It is further provided with a boundary wall protruding inwardly of the housing body, and having a straight boundary groove of a straight shape in one direction from the other side to the inside, and one end of the straight boundary groove has a curved boundary groove of a curved shape bent toward the side,
The boundary wall may be moved while being guided in the linear boundary groove is rotated along the curved boundary groove is the locking means for engaging the actuator when the drawer is drawn in,
As the boundary wall is drawn out of the actuator coupled to the drawer when the drawer is drawn out, the locking means is moved along the linear boundary groove and rotated along the curved boundary groove so that the engagement of the actuator can be released.
Self-closing device. The method of claim 3,
In the inside of the boundary wall is formed a through hole through which the linear boundary groove is exposed in the other direction of the linear boundary groove so as to be moved by elasticity,
When a malfunction occurs in the other direction of the linear boundary groove of the boundary wall, the linear boundary groove can be moved by elasticity to release the malfunction as the distance increases, and after the malfunction is released, the linear boundary groove of the boundary wall is guided again. Which can be returned by elastic to its original position
Self-closing device. The method of claim 3,
The locking means
It is disposed inside the housing body, the locking body having a locking groove for engaging the actuator on one side,
Rotation protrusion protrudes on one side of the housing body direction of the locking body and is inserted to rotate along the curved boundary groove and move along the straight boundary groove.
A support protrusion which protrudes in the center of the housing body direction of the locking body and is supported by the locking body inserted into the linear boundary groove and rotated;
Including;
The rotatable protrusion inserted into the curved boundary groove about the support protrusion is rotated in the direction of the linear boundary groove while the actuator is caught by the locking groove when the drawer is pulled in, thereby automatically closing by the operating force of the damper. Can be,
When the drawer body is pulled out, the locking body coupled with the actuator is moved together while moving in the direction of the curved boundary groove along the straight boundary groove, so that the rotation protrusion is inserted into the curved boundary groove about the support protrusion. Rotated to release the engaging engagement of the actuator, and after the release, the rotational projection is inserted into the curved boundary groove to support the damper in a compressed state.
Self-closing device. The method of claim 1,
Is projected on the inside of the housing body, a straight projection protruding in a straight form from one side to the other direction so that the locking means is guided, and
Protruding from the inside of the housing body, curved projection protruding in a curved form toward the side at one end to the straight projection
Further provided,
When the drawer body is drawn in, the locking means to which the actuator is engaged may be rotated along the curved protrusion and moved while being guided by the straight protrusion,
The locking means is moved along the straight protrusions while being rotated along the curved protrusions while the working body coupled to the drawer is pulled out when the drawer body is pulled out so that the locking engagement of the actuator can be released.
Self-closing device. The method of claim 6,
Since the inner side of the housing body has a buffer hole penetrated so that the linear protrusion is moved by the elasticity in the other direction of the linear protrusion,
When malfunctioning in the other direction of the linear projections, the linear projections are moved by the elasticity to release the malfunctions as the spacing increases, and after the release of the malfunctions, the elasticity returns to the original position where the linear projections are guided again by elasticity. Can be
Self-closing device. The method of claim 6,
One side of the locking means is formed with a locking groove for engaging and releasing the actuator,
One side of the locking means is formed with a support guide groove of a straight form from one side to the other side so that the straight projection is inserted,
One side of the locking means is formed by the rotation guide groove of the curved shape so that the curved projection is inserted at one end of the support guide groove,
The rotation guide groove inserted into the curved protrusion may be automatically closed by the operating force of the damper while the actuator is caught by the locking groove when the drawer is pulled in.
When the drawer is pulled out, the locking means coupled with the actuator is moved together while being rotated in the curved protrusion direction along the straight protrusion to insert the rotation guide groove to release the engagement of the actuator. After the rotation guide groove is inserted into the curved protrusions to maintain the damper compressed state
Self-closing device. The method of claim 1,
The actuation means
An operating body disposed inside the housing body and connected to the locking means and moving together;
Protruding on the other side of the locking body, the operation projection having a fixing groove for inserting and fixing the damper on one side
Including;
The actuating body may move the catching means connected to the actuating part of the damper by inserting and fixing the actuating portion of the damper into the fixing groove.
Self-closing device. 10. The method of claim 9,
The damper is
A damper body disposed on one side of the housing body, the fluid being received therein to continuously press in one direction; and
The damper shaft is disposed on one side from the inside of the damper body, the damper shaft having a shaft fixed groove is pressed to be located in one direction by the compressive force of the fluid stored therein, the cross-sectional area is reduced to be inserted into the fixing groove on one side
Including;
The damper shaft may move the actuating means in the inlet direction with the compressive force of the fluid compressed at the time of the drawer body movement to move the engaged actuator to automatically close the drawer body,
The damper shaft may be held in a position where the fluid is compressed while the locking means is released to the actuator when the drawer body is pulled out to maintain the compressed state.
Self-closing device. The method of claim 1,
Protruding away from the predetermined interval on one side of the housing body, the guide projections are located in the other direction from one side to which the operating means is moved, and
An actuation guide protrusion protruding in the direction of the housing body of the actuation means and inserted between the guide protrusions to guide the actuation means;
Further provided,
The actuating means moved by the operation of the damper may be moved while being guided to maintain the position where the catch means is engaged and released by the actuation guide protrusion inserted into the guide protrusion.
Self-closing device.

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