JP4817177B2 - Opening and closing device for protruding window - Google Patents

Description

  The present invention relates to an opening / closing device for a protruding window that facilitates opening / closing operation of the protruding window and enables reliable locking.

  Conventionally, in a protruding window in which the protruding shoji is rotated outward by pushing the handle provided on the protruding shoji provided inside the window frame, the opening width when the protruding shoji is opened is as follows. In order to limit, an opening width limiting device such as a chain or an arm that connects the protruding shoji and the window frame is provided. However, in many cases, the handle and the opening width limiting device are operated with both hands when opening and closing the protruding shoji, and the operation is difficult.

  Further, the protruding window is surely locked in a closed window state from the viewpoint of crime prevention, and from the viewpoint of safety, it has been desired to secure an opening width by a firm opening width limiting device in the opened window state.

  In recent years, several forms of opening width limiting device structures have been proposed in order to solve such problems. For example, in Patent Document 1 below, a receiver is attached to a window frame and a hook is attached to a protruding shoji. The hook is a seat attached to the shoji frame, and a lower portion is rotatable by an opposing side plate of the seat. And a latch disposed below the handle and having one end pivotably supported by the opposite side plate of the seat, and provided with a support piece at the lower end of the handle, and one end of the latch An engagement piece that engages on the support piece is formed on the part, an arc surface is provided on the other end of the latch, an lower end portion of the arc surface that projects downward from the seat, and an engagement portion provided on the support In the protruding window cam latch handle that protrudes and holds the shoji in the closed state, the latch is divided into a first latch piece and a second latch piece, and the radius of the arc surface of the first latch piece is the second. Make the diameter smaller than the radius of the arc surface of the latch piece, Cam latch handle for projecting windows lower end of the arcuate surface of the latch is characterized in that each latch in the direction to protrude to the side plate below the seat pressed with a separate spring is proposed.

Moreover, in the following patent document 2, the window body is provided with a frame body fixed to an opening formed on an outer wall of a building and the like, and a window body connected to the frame body under the arrangement of a support mechanism. A pair of main body side brackets connected to the center of each of the left and right parts of the window main body, in a protruding window that is set so as to be slidable between the indoor side and the outdoor side with respect to the frame body, A pair of frame-side brackets that are connected to the frame so as to correspond to the pair of body-side brackets, and a guide hole that is pivotally connected to the body-side bracket and formed from the front end to the rear end. A handle structure of a protruding window having a pair of left and right swing arms formed by inserting implanted guide pins into the left and right frame body side brackets, and a handle connected to the rear ends of the pair of swing arms. Proposed.
JP-A-8-165831 Japanese Patent Laid-Open No. 10-2149

  However, in Patent Document 1 described above, the arcuate surface of the first latch piece engages with the engaging portion when the shoji is closed, so that the closed window state can be reliably maintained. Is not considered. Moreover, in the said patent document 2, it locks a window by raising or pushing down the handle arrange | positioned so that the center part of the up-down direction of a protruding window may be crossed, and a locked state is cancelled | released easily. There was a problem with safety.

  Accordingly, a main object of the present invention is to provide an opening / closing device for a protruding window that can easily open and close the protruding shoji and enables reliable locking.

In order to solve the above-mentioned problem, the present invention according to claim 1 is fixed to the window frame and is formed with a pedestal formed with a through-hole in the indoor / outdoor direction, the tip protrudes and is connected to a shoji, It consists of a protruding arm that is slidably inserted,
The protruding arm is composed of a rod-shaped arm main body having a knob portion formed on the base end side, and a shoji connecting plate connected to the distal end side of the arm main body, and the arm main body is in an open state of the protruding shoji. A stopper locking portion that locks onto the pedestal and holds the protruding arm in a non-slidable manner, has a concave groove formed in the middle along the width direction, and has a long hole in the longitudinal direction of the member of the arm body. Have
The shoji connecting plate, while being connected by the pin member to be engaged with the long hole of the arm body, is biased held by the biasing force on the knob side direction by the spring member, and engagement formed in the arm body It has an engaging projection that engages with the joint hole, and is held linearly with respect to the arm body in the engaged state,
The pedestal has a stepped portion where the indoor side end portion of the shoji coupling plate abuts on the wall surface in the through hole, and the locking position of the protruding arm continuously in the bending direction from the indoor side position of the through hole. A locking position restricting convex portion at the inner side of the through-hole and substantially at the boundary with the locking position space,
When the protruding arm is attached to the protruding window, the protruding arm is slid in the outdoor direction, the stopper locking portion of the arm body is locked to the pedestal, and the protruding shoji which has the protruding arm held unslidable is opened. ,
From the state where the stopper locking portion is unlocked, the protruding arm is slid in the indoor direction, and the indoor side end portion of the shoji connecting plate abuts on the stepped portion formed in the through hole. Pulling in against the urging force of the spring material to release the engagement between the engagement protrusion and the engagement hole, and the formation range of the concave groove formed in the arm body is the locking position regulating projection. The arm main body is rotated to the locking position space side with the pin member as a rotation center in a state where the spring member is positioned at the portion, and the spring material of the spring material is moved over the locking position regulating convex portion. The arm main body is pulled into the pedestal side by an urging force, and the arm main body can be switched between a locking state of a protruding shoji that is held unrotatable by the locking position regulating convex portion. Open for protruding windows Apparatus is provided.

  In the present invention according to the first aspect, the protruding shoji can be easily opened and closed by sliding the protruding arm in the indoor / outdoor direction. When locking, the protruding arm is slightly pulled into the indoor side while holding the protruding arm. Since the turning operation is possible, the turning operation is automatically performed at the time when the turning operation is finished, and the turning operation is held so that the turning operation cannot be performed.

As the present invention according to claim 2, wherein said by the arm hysterectomy viewed portion formed pushbutton body stopper engaging portion of the releasing operation can and then according to claim 1, wherein are projecting window opening and closing device is provided.

  In the present invention according to claim 2, since the push button for releasing the stopper locking portion is provided on the knob portion of the arm body, a series of operations from the open window state to the locked state holds the knob portion. It is possible to easily open and close the protruding shoji.

According to a third aspect of the present invention, there is provided the protruding window opening and closing device according to any one of the first and second aspects , wherein the concave groove formed in the arm body forms an arcuate curve that bulges toward the knob portion. The

In the present invention according to claim 3, the arm main body is rotated about the pin member in a state where the formation range of the concave groove formed on the arm main body is positioned on the locking position regulating convex portion. When the concave groove is formed in an arcuate curved shape that bulges toward the knob , the arm main body can be smoothly rotated.

  As described above in detail, according to the present invention, a simple opening / closing operation and reliable locking of the protruding window can be performed.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
FIG. 1 is a longitudinal sectional view showing a state in which a protruding window opening / closing device 1 according to the present invention is attached to a protruding window 2. FIG. 2 shows (A) the opened state and (B) the locked state of the protruding window opening / closing device 1. 3A is a plan view, FIG. 3B is a side view, and FIG. 3C is a front view.

  As shown in FIG. 1, the protruding window 2 is supported inside a window frame 3 of, for example, a square shape, a circular shape, or a rectangular shape so as to be rotatable around an axis at one end portion, and the other end portion. The protruding shoji 4 is arranged so as to be opened to the outside by pushing the button.

  In the indoor side of the other end of the window frame 3 and the projecting shoji 4, the projecting shoji 4 according to the present invention is provided with a projecting window opening / closing device 1 for easy opening and closing and reliable locking of the closed window. Provided.

  As shown in FIGS. 2 and 3, the protruding window opening / closing device 1 is fixed to the window frame 3 and has a pedestal 5 in which a through-hole 7 in the indoor / outdoor direction is formed, and a tip protruding into the shoji 4. The projecting arms 6 are connected to each other and are slidably inserted into the through holes 7.

  Here, as shown in FIG. 4, the protruding arm 6 is mainly composed of an arm main body 8 and a shoji connecting plate 9 connected to the distal end side of the arm main body 8.

The arm body 8 is a rod-shaped body having a substantially rectangular cross section in the illustrated example, and a knob portion 8a having a large cross section is integrally provided on the base end side . A concave groove 10 is formed in the upper surface of the intermediate portion of the arm body 8 along the width direction. The recessed groove 10 is in a state in which the protruding arm 6 can be rotated when the protruding arm 6 is retracted and the formation range of the recessed groove 10 is positioned on a locking position restricting convex portion 11 described later during a locking operation. In addition, when the turning operation is finished, that is, when the concave groove 10 has passed over the locking position restricting convex portion 11, it is automatically pulled in and is held unrotatable. . In order to allow the protruding arm 6 to rotate smoothly, the concave groove 10 is preferably formed in an arcuate curved shape that bulges indoors.

  Further, as shown in FIG. 4, the arm main body 8 is provided with a stopper 12 that is locked to the pedestal 5 in a state in which the protruding shoji 4 is opened and holds the protruding arm 6 so that it cannot slide. The stopper 12 is provided with a push button 12b for stopper release operation on the stopper body 12a, and a stopper locking portion 12c for locking the pedestal 5 in the opened state and disabling the sliding arm 6 to slide. The push button 12b and the stopper locking portion 12c are fitted into openings 8b and 8c formed in the arm body 8 from the inside, respectively, and protrude outward by the biasing force of the spring 13. It is kept energized. In the stopper 12, the push button 12b is formed in the knob portion 8a of the arm main body 8, and the stopper locking portion 12c is retracted by the pressing of the push button 12b so that the stopper function can be released. After the stopper 12 is disposed, a protective cover 14 is fixed to the back surface with screws 15.

  As shown in FIG. 4, the shoji connecting plate 9 has a support hole 9 a for connecting to the arm body 8 on the indoor side, and protrudes to the outside of the door in a loosely fitted state with the connecting shaft 4 a of the shoji 4. A connecting hole 9b to be connected is formed, and between the support hole 9a and the connecting hole 9b, a plate surface is cut out in a U-shape so as to be bent in an L shape toward the indoor side. A mating protrusion 16 is provided.

The shoji connection plate 9 is connected to a back plate 17 attached integrally to the arm body 8 by a pin member 18. The back plate 17 is provided with assembly pin holes 17 d and 17 d for attachment to the arm body 8, an engagement hole 17 c is formed in an upright piece formed on the outdoor side, and the arm body is provided in the middle. 8 is a member in which a long hole 17a is formed in the longitudinal direction of the member, and a spring-locking standing piece 17b is formed at the indoor side end. The shoji connecting plate 9 is connected by a pin member 18 penetrating into the long hole 17a of the back plate 17 and connects the pin member 18 and the spring locking standing piece 17b of the back plate 17. The arm member 8 is biased and held in the direction of the knob 8a by the biasing force of the spring material 19 disposed on the arm member 8 . Then, the shoji connecting plate 9, by the engagement projection 16 is engaged with the engaging hole 17c formed at the distal end of the back plate 17, is linearly held against the arm body 8 It is like that.

  On the other hand, as shown in FIGS. 5 and 6, the pedestal 5 has a substantially rectangular parallelepiped block shape, and is provided with a through-hole 7 that protrudes in an indoor / outdoor direction and holds the arm 6 in a slidable insertion state. ing. The indoor side end portion of the shoji connection plate 9 provided at the tip of the protruding arm 6 abuts on the wall surface (the lower surface in the illustrated example) in the through hole 7 to slide the shoji connection plate 9 in the indoor direction. A step 20 for limiting is provided.

  In addition, the pedestal 5 is provided with a locking position space 21 for continuously locking the protruding arm 6 in the bending direction from the indoor side position of the through hole 7 to lock it, and the chamber of the through hole 7 is provided. The locking position restricting convex portion 11 is provided on the inner side and substantially at the boundary with the locking position space 21. The pedestal 5 is provided with two screw mounting holes 5a and 5a for screwing to the window frame 3 at the outdoor position. Further, a locking portion 5b for locking the stopper locking portion 12c of the arm body 8 is provided on the side chamber interior side of the through hole 7, and the tip of the arm body 8 is engaged during locking. The fitting recess 5c is provided. As described later, the locking position restricting convex portion 11 is preferably formed in a quadrant so that the protruding arm 6 can be smoothly rotated.

As shown in FIG. 4 (B), the protruding arm 6 and the pedestal 5 are assembled as shown in FIG. 7 (A) after the stopper 12, spring 13 and protective cover 14 are attached to the arm body 8. Then, the arm body 8 is inserted into the through hole 7 of the base 5 from the tip end side. Thereafter, as shown in FIG. 5B, the assembly pin 22 is inserted into the pin holes 8d and 8d at the front end portion of the arm body 8 with the shoji connecting plate 9 integrally connected to the back plate 17. , 22.

  As shown in FIG. 8, the protruding window opening / closing device 1 assembled in this way has the protruding arm 6 slidably mounted in the through hole 7 of the pedestal 5 and the shoji connecting plate 9 as a spring material 19. When the engagement protrusion 16 is disengaged from the engagement hole 17c of the back plate 17 within the range of the long hole 17a, it can be slid against the urging force of the long hole 17a. It can be turned as a turning center.

  In the protruding window opening / closing device 1 configured as described above, the protruding arm 6 is slid in the outdoor direction in the attached state to the protruding window 2, and the locking portion 12c of the stopper 12 of the arm body 8 is moved. The protruding shoji 4 that is locked to the locking portion 5b of the pedestal 5 and holds the protruding arm 6 in a non-slidable state is released, and the locking of the stopper locking portion 12c is released, and the protruding arm 6 is placed in the chamber. Sliding inwardly, and retracting against the urging force of the spring material 19 from a state in which the indoor side end portion of the shoji connecting plate 9 abuts on the stepped portion 20 formed in the through hole 7, While releasing the engagement between the engagement protrusion 16 and the engagement hole 17c, the formation range of the concave groove 10 formed in the arm body 8 is positioned in the locking position restricting convex portion 11, The arm body 8 is The pin member 18 is rotated to the locking position space 21 side with the rotation center as a rotation center, and when the concave groove 10 gets over the locking position regulating convex portion 11, the biasing force of the spring material 19 moves toward the base 5 side. Locking of the protruding shoji 4 that is retracted and the tip of the arm body 8 is fitted into the fitting recess 5c of the pedestal 5 and the arm body 8 is held unrotatable by the locking position restricting projection 11 Switch between states.

  As a result, the protruding window opening and closing device 1 according to the present invention enables the protruding shoji 4 to be opened and closed by a simple operation by simply sliding the protruding arm 6 in and out of the room, and the protruding arm 6 is locked in the locked position. The restricting convex portion 11 is held in a non-rotatable manner to enable reliable locking.

  Next, based on FIG. 9, the operation procedure of the protruding window opening and closing apparatus 1 will be described in detail. FIG. 9 is a horizontal sectional view of the protruding window opening / closing device 1 in a state where it is mounted on the protruding window 2.

  First, as shown in FIG. 9 (A), when the protruding shoji 4 is in the open state, the protruding arm 6 is slid in the outdoor direction, and the stopper locking portion 12c of the arm body 8 is locked to the base 5. The protruding arm 6 is held non-slidable. The stopper 12 allows the protruding shoji 4 to be kept in an open window state safely. From this open state, the push button 12b provided on the knob 8a is pressed to release the stopper locking portion 12c, and then the protruding arm 6 is slid in the indoor direction. By the sliding operation of the protruding arm 6, the closing window of the protruding shoji 4 is started.

  Thereafter, as shown in FIG. 9B, the protruding shoji 4 is completely closed, and at the same time, the indoor side end portion of the shoji connecting plate 9 collides with the stepped portion 20 formed in the through hole 7. To do. As a result, the sliding plate connecting plate 9 is restricted from sliding and turning in the indoor direction. In this state, the engaging projection 16 of the shoji coupling plate 9 is engaged with the engaging hole 17c, and the locking position restricting convex portion 11 is present on the side surface of the arm main body 8. The rotation is limited.

  Next, as shown in FIG. 9C, from the state in which the indoor side end portion of the aforementioned shoji coupling plate 9 abuts on the stepped portion 20 formed in the through hole 7, the spring material 19 is further moved. The arm body 8 is retracted indoors against the urging force to release the engagement protrusion 16 of the shoji coupling plate 9 from the engagement hole 17c, and within the formation range of the concave groove 10 formed in the arm body 8. The locked position restricting convex portion 11 is positioned.

  As a result, as shown in FIG. 9D, the arm body 8 is in a state of being able to rotate toward the locking position space 21 with the pin member 18 as the center of rotation.

  Thereafter, as shown in FIG. 9 (E), when the concave groove 10 gets over the locking position restricting convex portion 11, it is automatically pulled to the base 5 side by the biasing force of the spring material 19, and the arm body 8 The arm body 8 is in a locked state in which the distal end of the arm body 8 is non-rotatably held by the locking position restricting convex portion 11.

  As described above, switching between the opened state and the locked state of the protruding shoji 4 can be performed by a series of operations of sliding and rotating the protruding arm 6, and the opening and closing operation of the protruding shoji 4 is simplified. Further, in order to release the locked state, the arm main body 8 needs to be pulled out to the opposite side of the automatically retracted direction and rotated, so that it is not easily unlocked and secure locking is ensured. Furthermore, the crime prevention effect can be improved.

1 is a longitudinal sectional view showing a state in which a protruding window opening / closing device 1 according to the present invention is protruded and attached to a window 2. FIG. It is a perspective view which shows the (A) opening state and (B) locked state of the opening / closing apparatus 1 for protrusion windows. It is (A) top view, (B) side view, and (C) front view showing the locked state of the protruding window opening and closing device 1. FIG. 6 is an exploded view of the protruding arm 6. The pedestal 5 is shown, (A) is a perspective view from above, and (B) is a perspective view from below. It is a horizontal sectional view of the pedestal 5. It is a perspective view which shows the assembly point of the opening / closing apparatus 1 for protrusion windows. It is a perspective view from the downward direction of the opening / closing apparatus for protruding windows 1 showing a deformed state of the shoji coupling plate. (A)-(E) are the operation | movement procedure diagrams of the opening / closing apparatus 1 for protruding windows.

  DESCRIPTION OF SYMBOLS 1 ... Opening and closing device for protruding windows, 2 ... Projecting window, 3 ... Window frame, 4 ... Shoji, 5 ... Pedestal, 6 ... Projecting arm, 7 ... Through-hole, 8 ... Arm main body, 8a ... Pick part, 9 ... Shoji connection Plate 10, concave groove 11, locking position restricting convex portion 12, stopper, 13 spring, 14 protective cover, 15 screw, 16 engaging protrusion, 17 back plate, 18 pin member, 19 ... Spring material, 20 ... Stepped portion, 21 ... Locking position space, 22 ... Assembly pin

Claims (3)

It is fixed to the window frame, and includes a pedestal formed with a through-hole in the indoor / outdoor direction, a protruding arm connected to a shoji that protrudes at the tip, and slidably inserted into the through-hole,
The protruding arm is composed of a rod-shaped arm main body having a knob portion formed on the base end side, and a shoji connecting plate connected to the distal end side of the arm main body, and the arm main body is in an open state of the protruding shoji. A stopper locking portion that locks onto the pedestal and holds the protruding arm in a non-slidable manner, has a concave groove formed in the middle along the width direction, and has a long hole in the longitudinal direction of the member of the arm body. Have
The shoji connecting plate, while being connected by the pin member to be engaged with the long hole of the arm body, is biased held by the biasing force on the knob side direction by the spring member, and engagement formed in the arm body It has an engaging projection that engages with the joint hole, and is held linearly with respect to the arm body in the engaged state,
The pedestal has a stepped portion where the indoor side end portion of the shoji coupling plate abuts on the wall surface in the through hole, and the locking position of the protruding arm continuously in the bending direction from the indoor side position of the through hole. A locking position restricting convex portion at the inner side of the through-hole and substantially at the boundary with the locking position space,
When the protruding arm is attached to the protruding window, the protruding arm is slid in the outdoor direction, the stopper locking portion of the arm body is locked to the pedestal, and the protruding shoji which has the protruding arm held unslidable is opened. ,
From the state where the stopper locking portion is unlocked, the protruding arm is slid in the indoor direction, and the indoor side end portion of the shoji connecting plate abuts on the stepped portion formed in the through hole. Pulling in against the urging force of the spring material to release the engagement between the engagement protrusion and the engagement hole, and the formation range of the concave groove formed in the arm body is the locking position regulating projection. The arm main body is rotated to the locking position space side with the pin member as a rotation center in a state where the spring member is positioned at the portion, and the spring material of the spring material is moved over the locking position regulating convex portion. The arm main body is pulled into the pedestal side by an urging force, and the arm main body can be switched between a locking state of a protruding shoji that is held unrotatable by the locking position regulating convex portion. Open for protruding windows Apparatus. The stopper engaging portion of the release operation mode and to Aru claim 1, wherein the projecting window opening-closing device with hysterectomy viewed formed push button on part of the arm body. The opening and closing device for a protruding window according to claim 1 , wherein the concave groove formed in the arm body forms an arcuate curve that bulges toward the knob portion .

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