KR100942659B1 - Refrigerator with drawer type door - Google Patents

Abstract

The present invention relates to a refrigerator having a drawer-type door, comprising: a refrigerator body in which a cooling chamber is formed; A drawer-type door sliding along the front and rear directions of the cooling chamber; And a flow inhibiting portion formed between the drawer-type door and the bottom surface of the cooling chamber to suppress lateral flow of the drawer-type door, wherein the flow-suppression portion is the bottom of the drawer-type door and the cooling chamber. Protrusions protruding from any one of the surfaces; A pair of guides formed on the left and right sides of the protrusion along the movement trajectory of the protrusion on the other of the drawer-type door and the bottom surface of the cooling chamber; And a roller rotatably provided at an end of the protrusion, wherein each of the guides is configured to enable the roller to make a rolling contact. As a result, the occurrence of restraint caused by the lateral flow can be suppressed, and the front and rear sliding operation of the drawer-type door can be smoothed. In addition, the configuration of the flow suppression unit is simple, making it easy to manufacture and assembly, and can reduce the manufacturing cost.

Refrigerator, Drawer-type Door, Flow Suppression Unit, Rib, Guide

Description

Refrigerator with drawer door {REFRIGERATOR WITH DRAWER TYPE DOOR}

The present invention relates to a refrigerator having a flow inhibiting portion, and more particularly, to a refrigerator having a flow suppressing portion that is easy to manufacture and assemble and to reduce manufacturing costs.

As is well known, a refrigerator is a device for refrigeration or freezing food to be kept fresh, and includes a refrigerator main body having a cooling chamber therein and a refrigeration cycle apparatus for providing cold air to the cooling chamber. Such a refrigeration cycle apparatus typically includes a compressor for compressing a refrigerant, a condenser for dissipating the refrigerant by condensation, an expansion device for depressurizing and expanding the refrigerant, and an evaporator for absorbing and evaporating the latent heat of the refrigerant. It consists of a cycle device.

1 is a perspective view of a conventional refrigerator, and FIG. 2 is a plan view of FIG. 1. As shown in FIG. 1, the refrigerator includes a refrigerator main body 10 having a refrigerator compartment 11 and a freezer compartment 21 formed therein, and a refrigerator compartment door configured to open and close the refrigerator compartment 11 and the freezer compartment 21, respectively. 15) and a freezer compartment door (25).

A refrigerating chamber 11 is formed in an upper region of the refrigerator main body 10, and a pair of refrigerating chamber doors 15 are provided on a front surface of the refrigerating chamber 11 to selectively open and close the opening of the refrigerating chamber 11. It is provided. One of the refrigerating chamber doors 15 is provided with a dispenser 17 to draw water or ice without opening the refrigerating chamber 11, and the other one is provided with a home bar 18.

On the other hand, the freezing chamber 21 is provided with a freezing chamber door 25 for opening and closing the front opening of the freezing chamber 21. The freezer compartment door 25 is formed as a drawer-type door to open and close the freezer compartment 21 and to accommodate food.

The freezer compartment door 25 includes a door part 26 that opens and closes the front opening of the freezer compartment 21, and a drawer 27 disposed on the rear surface of the door part 26 to accommodate food.

Both sides of the freezing chamber door 25 are provided with rails 31 which can be stretched in the longitudinal direction, respectively, and holders 41 which accommodate and support the rails 31 are installed on inner walls of both sides of the freezing chamber 21. It is. A rail coupling portion 42 is formed in the inner central region of the holder 41 so that the rail 31 can be received and coupled, and a rack is formed in the lower region of the holder 41 to extend in the front-rear direction. Formed.

The rail 31 includes a fixed rail 32, an intermediate rail 33 sliding with respect to the fixed rail 32, and a moving rail 34 sliding with respect to the intermediate rail 33. The fixed rail 32 is inserted into and fixed to the rail coupling portion 42 of the holder 41, and the movable rail 34 is fixed to both sides of the drawer 27, respectively.

The drawer 27 is formed to have a rectangular parallelepiped shape open upward to accommodate and withdraw food.

On the other hand, pinions 45 are rotatably installed at both rear upper edge portions of the drawer 27 so as to be engaged with the rack 43 of the holder 41. The pinions 45 are respectively coupled to the same axis of rotation 47. This is to allow the pinion 45 to move back and forth along the corresponding rack 43 at the same rotational speed.

By the way, in such a conventional refrigerator, the pinion 45 is arrange | positioned at both sides of the said drawer 27, and each pinion 45 is engaged with each holder 41, and the rack 43 which moves back and forth, respectively is formed. As a result, the configuration is complicated, making manufacturing difficult and increasing manufacturing costs.

In addition, when each of the pinions 45 is not accurately engaged with the teeth of the same position of the rack 43 when the drawer 27 is coupled, restraints are generated and the forward and backward movement of the drawer 27 occurs. There is a problem that this is not smooth. In particular, when the positional deviation of the left and right pinions 45 is largely assembled, the restriction of the drawer 27 is intensified, and if an excessive force is applied in this state, the pinion 45 or the rack 43 may be damaged. There is a problem.

Accordingly, an object of the present invention is to provide a refrigerator having a drawer-type door in which the configuration is simple and the front and rear sliding is smooth.

Moreover, another object of this invention is to provide the refrigerator provided with the drawer type door which can be easily assembled and can reduce manufacturing cost.

The present invention, in order to achieve the above object, the refrigerator body is formed with a cooling chamber; A drawer-type door sliding along the front and rear directions of the cooling chamber; And a flow inhibiting portion formed between the drawer-type door and the bottom surface of the cooling chamber to suppress lateral flow of the drawer-type door, wherein the flow-suppression portion is the bottom of the drawer-type door and the cooling chamber. Protrusions protruding from any one of the surfaces; A pair of guides formed on the left and right sides of the protrusion along the movement trajectory of the protrusion on the other of the drawer-type door and the bottom surface of the cooling chamber; And a roller rotatably provided at an end of the protrusion, wherein each of the guides provides a refrigerator, wherein the rollers are spaced apart from each other to enable rolling contact.

Here, the protrusion may protrude from the bottom surface of the drawer-type door, and the guide may be configured to be formed on the top surface of the protrusion protruding from the bottom surface of the cooling chamber and extending in the front-rear direction.

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The lower end of the protrusion and the upper end of the guide may be configured to be spaced apart from the upper surface of the protrusion and the bottom surface of the drawer-type door, respectively.

The protrusion may be formed in plural.

In this case, the protrusions may be spaced apart from each other along the front and rear directions. In this case, the plurality of protrusions are guided by the same guide, respectively.

The protrusions may be spaced apart from each other from side to side. In this case, the plurality of protrusions are guided by different guides.

The protrusion may be detachably configured.

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As described above, according to the present invention, by providing a flow inhibiting portion for suppressing the lateral flow of the drawer-type door between the drawer-type door and the bottom surface of the cooling chamber, it is possible to eliminate the use of the pinion and the rotating shaft of the prior art Since the rack is not formed in the holder, the construction is simple, the production is easy, the transverse flow is suppressed, and the front and rear sliding is smooth. In addition, it is easy to manufacture and assemble can reduce the manufacturing cost.

Further, according to the present invention, since the configuration is simple and easy to assemble, there is no fear of malfunction or restraint of the drawer-type door due to misassembly.

According to the present invention, by having a rotatable roller at the end of the projection protruding on any one of the drawer-type door and the bottom surface of the cooling chamber, it is possible not only to suppress the lateral flow, but also to the front and rear sliding of the drawer-type door More smoothly.

In addition, according to the present invention, by forming a projection detachably on the bottom surface of the drawer-type door or the cooling chamber, the production can be facilitated. In addition, when the projections are damaged, it is economical because the projections can be replaced at a relatively small cost.

In addition, according to the present invention, by allowing the projection and the guide to be spaced apart from each other by a predetermined distance to prevent unnecessary contact, the sliding is smooth, and unnecessary contact noise can be suppressed from occurring.

Hereinafter, with reference to the accompanying drawings will be described in detail the present invention.

3 is a perspective view of a refrigerator having a drawer type door according to a first embodiment of the present invention, FIG. 4 is a longitudinal cross-sectional view of the drawer type door of FIG. 3, and FIG. 5 is a line V-V of FIG. Side cross-sectional view. As shown in FIG. 3, the refrigerator having the drawer type door includes a refrigerator main body 110 in which a cooling chamber is formed; A drawer-type door 125 sliding along the front and rear directions of the cooling chamber; It is formed between the drawer-shaped door 125 and the bottom surface of the cooling chamber is configured to include a flow inhibitor 150 to suppress the lateral flow of the drawer-shaped door (125). The cooling chamber refers to the refrigerating chamber 111 and the freezing chamber 121 collectively, the drawer-type door 125 of the present invention may be installed in the refrigerating chamber 111 and the freezing chamber 121, in the present embodiment drawer-type door An example in which the 125 is installed in the freezing chamber 121 will be described.

A refrigerating chamber 111 is formed in an upper region of the refrigerator main body 110, and a pair of refrigerating chamber doors 115 are rotated on the front surface of the refrigerating chamber 111 to selectively open and close the front opening of the refrigerating chamber 111. It is possibly installed. The refrigerator compartment door 115 may be provided with a dispenser 117 and a groove bar 118, respectively.

A freezer compartment 121 is formed in a lower region of the refrigerator body 110, and a freezer compartment 121 is provided in the freezer compartment 121 to open and close the front opening of the freezer compartment 121 and to store food. have.

The drawer-type door 125 includes a door part 126 that opens and closes the opening of the freezing compartment 121, and a drawer 127 disposed behind the door part 126 to accommodate food. A handle 128 is formed at the door 126. Here, the door part 126 may be configured to be relatively rotatable with respect to the drawer 127.

Rails 131 are provided at both sides of the drawer 127, and holders 141 to which the rails 131 are coupled and supported are respectively installed at both inner walls of the freezing chamber 121. The holder 141 is formed with a rail coupling portion 142 to accommodate the rail 131 is received.

The rail 131 may include a fixed rail 132 inserted into and supported by the holder 141, an intermediate rail 133 sliding with respect to the fixed rail 132, and both sides of the drawer 127. It may be configured to have a moving rail 134 coupled and slidably supported with respect to the intermediate rail 133. Here, the rail 131 may be configured to have a single rail or a movable rail 134 and a fixed rail 132 that can be stretched along the longitudinal direction.

On the other hand, the lower side of the drawer 127, when the drawer 127 is slid in the front and rear direction along the rail 131, it is suppressed that the drawer 127 is moved or flow in the lateral direction (橫 方向) Flow control unit 150 is formed to be able to. This is to prevent the sliding movement of the rail 131 is not smooth because the drawer 127 is moved in the left and right direction when the drawer 127 is moved back and forth while the transverse pressure is applied to the rail 131. to be.

As shown in FIGS. 4 and 5, the flow inhibitor 150 includes a rib 151 protruding downward from the bottom of the drawer 127 and extending along the front and rear directions, and the amount of the rib 151. It is provided with a pair of guides 155 formed on the bottom surface of the freezing chamber 121 to be disposed on each side. Here, the guides 155 may be formed in a single body with the bottoms connected to each other. The lower end of the rib 151 is formed to be spaced apart from the bottom of the freezing chamber 121 by a predetermined distance. In this embodiment, the lower end of the rib 151 is formed to be spaced apart from the connecting portion 156 between the two guides 155 by a predetermined distance. In addition, the upper ends of the two guides 155 are formed to be spaced apart from the bottom surface of the drawer 127 by a predetermined distance. This is to prevent the lower end of the rib 151 and the upper end of the guide 155 from being in unnecessary contact with the counterpart.

By this configuration, when the fixing rails 132 are coupled to the holders 141, respectively, the ribs 151 are inserted between the guides 155. Meanwhile, the guide 155 prevents the rib 151 from flowing laterally when the drawer-shaped door 125 moves forward and backward to smoothly move the drawer-shaped door 125.

6 is a longitudinal cross-sectional view illustrating main parts of a refrigerator having a drawer-type door according to a second embodiment of the present invention, FIG. 7 is a cross-sectional view taken along the line VII-VII of FIG. 6, and FIGS. It is a variation of the projection. Hereinafter, the same or equivalent components as those described above and shown in the drawings will be omitted for convenience of description of the drawings and will be described with reference to the same reference numerals. The refrigerator having the drawer type door includes a refrigerator main body 110 in which a refrigerating chamber 111 and a freezing chamber 121 are formed; A drawer-type door 125 sliding along the front and rear directions of the freezing chamber 121; It is formed between the drawer-shaped door 125 and the bottom surface of the freezer compartment 121 and includes a flow inhibiting unit 170 for suppressing the lateral flow of the drawer-shaped door (125). The drawer-shaped door 125 includes a door part 126 that opens and closes the opening of the freezer compartment 121, and a drawer 127 disposed behind the door part 126.

The flow inhibiting unit 170 may be formed to protrude downwardly from the bottom of the drawer 127 and to be disposed on both sides of the protrusion 171 on the bottom surface of the freezing chamber 121, respectively. A guide 155 is provided. The protrusion 171 is formed integrally with the drawer 127.

The guide 155 protrudes upward from the bottom surface of the freezing chamber 121 and extends along the front and rear directions so as to be disposed at both sides of the protrusion 171 along the front and rear movement trajectory of the protrusion 171.

Here, as shown in FIG. 8, the flow inhibiting unit 180 protrudes from the bottom of the drawer 127 and is spaced apart from each other in the front and rear directions, and both sides of the protrusions 181. It may be configured to have a pair of guides 155 disposed in and extending along the front and rear movement trajectory of the protrusion 181. In addition, a pair of protrusions spaced to the left and right at the bottom of the drawer 127 may be formed, and a pair of guides 155 may be formed to be disposed on both sides of the protrusions. In addition, the protrusion and the guide 155 may be configured in plural or plural pairs.

In addition, as shown in FIG. 9, the flow inhibiting unit 190 includes a protrusion 191 which is detachably coupled to the bottom of the drawer 127, and disposed on both sides of the protrusion 191 and the protrusion. It may be configured to include a pair of guides 155 extending along the front and rear movement trajectory of the 191. A through hole 195 is formed in the center of the protrusion 191 to insert a fastening member 197 such as a screw, and the protrusion 191 has a radius at an end contacting the bottom surface of the drawer 127. Or it may be further provided with a flange 193 extended in the width direction. This is for the projection to be stably supported by the external force acting in the transverse direction of the projection.

By such a configuration, when the drawer-shaped door 125 is slid in the front-rear direction, the guide 155 suppresses the projections 171, 181, 191 flowing in the lateral direction on both sides of the protrusions 171, 181, 191. As a result, the horizontal flow of the drawer-shaped door 125 is suppressed, so that the front and rear sliding operation is smooth.

FIG. 10 is a cross-sectional view illustrating main parts of a refrigerator having a drawer type door according to a third exemplary embodiment of the present invention, and FIG. 11 is a cross-sectional view taken along the line II-XI of FIG. 10. The refrigerator provided with this drawer-type door, The refrigerator provided with this drawer-type door, The refrigerator main body 110 in which the refrigerator compartment 111 and the freezer compartment 121 are formed; A drawer-type door 125 sliding along the front and rear directions of the freezing chamber 121; Is formed between the drawer-shaped door 125 and the bottom surface of the freezer compartment 121 is configured to include a flow inhibitor 210 for suppressing the lateral flow of the drawer-shaped door (125). The drawer-shaped door 125 includes a door part 126 that opens and closes the opening of the freezer compartment 121, and a drawer 127 disposed behind the door part 126.

The flow inhibiting part 210 may protrude from the bottom surface of the freezing chamber 121 to be disposed on both sides of the protrusion 211 and the protrusion 211 protruding downward from the bottom of the drawer 127. A pair of guides 155 extending in the front-rear direction along the movement trajectory of 211 is provided.

The roller 215 is rotatably coupled to an end of the protrusion 211. In this case, the protrusion 211 may be configured to be separated from the drawer 127. A roller coupling portion 212 is formed in the lower region of the protrusion 211 to allow the roller 215 to be coupled thereto, and a washer (2) below the roller 215 to prevent downward movement of the roller 215. The screw 219 is coupled via 217. Here, the guide 155 is formed spaced apart from the predetermined assembly tolerance so that the roller 215 can make a rolling contact.

By this configuration, when the drawer-shaped door 125 is moved in the front-rear direction, the roller 215 is in contact with the guide 155 so that the lateral flow of the drawer-shaped door 125 is suppressed. In addition, the back and forth movement to be smooth.

12 is a sectional view showing main parts of a refrigerator provided with a drawer-shaped door according to a fourth embodiment of the present invention, and FIG. 13 is a sectional view taken along the line XXIII-XIII of FIG. The refrigerator having the drawer type door includes a refrigerator main body 110 in which a refrigerating chamber 111 and a freezing chamber 121 are formed; A drawer-type door 125 sliding along the front and rear directions of the freezing chamber 121; It is formed between the drawer-shaped door 125 and the bottom surface of the freezer compartment 121 is configured to include a flow inhibitor 220 to suppress the lateral flow of the drawer-shaped door (125). The drawer-shaped door 125 includes a door part 126 that opens and closes the opening of the freezer compartment 121, and a drawer 127 disposed behind the door part 126.

The flow suppressing unit 220 may include ribs 221 protruding upward from the bottom surface of the freezing chamber 121 and extending along the front and rear directions, and on both sides of the ribs 221 at the bottom of the drawer 127. It is provided with a pair of guides 225 which are formed to be arranged.

The bottom of the drawer 127 is formed with a groove 223 recessed upward and extending in the front-rear direction to accommodate the upper end of the rib 221. The guide 225 is formed substantially at both sidewalls of the groove 223. Here, the upper end of the rib 221 is formed to be spaced apart from the upper surface of the groove 223 by a predetermined distance. This is to prevent the upper end of the rib 221 from being in unnecessary contact with the upper surface of the groove 223. Here, the guide 225 may be configured to protrude downward in the bottom of the drawer 127 and extend along the front and rear directions.

By this configuration, when the drawer-shaped door 125 is moved back and forth, the guide 225 suppresses the lateral flow of the rib 221, so that the sliding operation of the drawer-shaped door 125 is smooth.

In the above-described and illustrated embodiments, the case where the projections are formed at the bottom of the drawer is described by way of example, but the projections may be formed at the bottom of the freezer compartment and the guide may be formed at the bottom of the drawer. At this time, the roller may be further provided at the end of the projection.

In addition, in the above-described and illustrated embodiments, the case where the drawer-type door is installed in the freezer compartment is described as an example. However, when the drawer-type door is installed in the refrigerating compartment, the flow inhibiting unit may be configured in the drawer-type door of the refrigerating compartment.

1 is a perspective view of a conventional refrigerator,

2 is a plan view of FIG.

3 is a perspective view of a refrigerator having a drawer type door according to a first embodiment of the present invention;

4 is a longitudinal cross-sectional view of the drawer-shaped door of FIG. 3 when blocked;

5 is a side cross-sectional view taken along the line VV of FIG. 4;

6 is a longitudinal sectional view of a main portion of a refrigerator having a drawer-type door according to a second embodiment of the present invention;

7 is a cross-sectional view taken along the line VII-VII of FIG. 6;

8 and 9 are modified examples of the projection of FIG. 6, respectively.

10 is a cross-sectional view of main parts of a refrigerator having a drawer-shaped door according to a third embodiment of the present invention;

11 is a cross-sectional view taken along the line VI-XI of FIG. 10;

12 is a sectional view showing the main parts of a refrigerator provided with a drawer type door according to a fourth embodiment of the present invention;

FIG. 13 is a cross-sectional view taken along the line XIII-XIII of FIG. 12.

Explanation of symbols on the main parts of the drawings

110: refrigerator body 111: refrigerator compartment

115: refrigerator door 121: freezer

125: drawer-type door 126: door part

127: drawer 131: rail

141: holder 150: flow inhibitor

151: Rib 155: A Guide

Claims (11)

A refrigerator body in which a cooling chamber is formed; A drawer-type door sliding along the front and rear directions of the cooling chamber; And And a flow inhibiting part formed between the drawer-type door and the bottom surface of the cooling chamber to suppress lateral flow of the drawer-type door. The flow suppression unit, a protrusion protruding to any one of the bottom surface of the drawer-type door and the cooling chamber; A pair of guides formed on the left and right sides of the protrusion along the movement trajectory of the protrusion on the other of the drawer-type door and the bottom surface of the cooling chamber; And And a roller rotatably provided at an end of the protrusion, Each of the guides is a refrigerator, characterized in that the rollers are formed spaced apart from each other in contact with the cloud. delete The method of claim 1, And the protrusion protrudes from a bottom surface of the drawer-type door, and the guide is formed on an upper surface of the protrusion protruding from the bottom surface of the cooling chamber and extending along the front-back direction. The method of claim 3, And a lower end of the protrusion and an upper end of the guide are spaced apart from each other by a predetermined distance from an upper surface of the protrusion and a bottom surface of the drawer type door. The method of claim 1, The projection is characterized in that the refrigerator is formed in plurality. The method of claim 5, The projection is characterized in that the refrigerator is spaced apart from each other along the front and rear directions. The method of claim 1, The projection is removable refrigerator characterized in that. delete delete delete delete

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