KR20050078357A - Refrigerator - Google Patents

Abstract

The present invention relates to a refrigerator, and more particularly, to a refrigerator in which a repellent member for entering and exiting a food container placed inside a storage compartment is provided inside the storage compartment. An object of the present invention is to provide a refrigerator capable of improving the thermal insulation efficiency and efficient use of space by installing a retreat member in the storage compartment. Refrigerator according to the present invention for achieving this object is a storage compartment in which a container for refrigerating food is stored and one side is openably formed so that the container can enter and exit, from the inside of the storage compartment to the outside of the openable side And a retraction member for retracting and entering the container through the openable surface, and a driving part for driving the retraction member.

Description

Refrigerator {Refrigerator}

The present invention relates to a refrigerator, and more particularly, to a refrigerator in which a repellent member for entering and exiting a food container placed inside a storage compartment is provided inside the storage compartment.

Generally, a refrigerator is a kind of home appliance for cooling and storing food stored in a storage compartment by using a cooling cycle including a compressor, a condenser, an evaporator, and an expansion valve. The refrigerator is provided with a door on one side thereof to allow food to enter and exit the refrigerator. However, when taking out heavy food contained in a container from inside the storage room as in the case of Kimchi refrigerator, it is not only great power to users with relatively weak muscles, such as a housewife who mainly uses a refrigerator, but also can cause a heavy burden on the user's body. There was a problem.

Therefore, in recent years, as disclosed in Korean Utility Model Registration No. 0318273, a driving unit and a retraction member are installed at the lower part of the storage compartment so that the container can be lifted up and down, so that the food and container can be easily taken out of the storage compartment without the user's effort. To make it possible. As shown in FIG. 1, the refrigerator according to the related art has a storage space 120 having a predetermined size therein so that the kimchi container 130 containing the kimchi can be stored in multiple stages. The bottom 110 of the storage space 120 is formed with a shelf 110 on which the kimchi container 130 is seated, and the upper and lower doors of the storage space 120 are installed at the top and bottom of the hinge. Rack gear 400, the upper end of which is fastened and fastened by the fastening member 600 is installed in the middle of the shelf 110, the gear is coupled to the top of the rack gear 400 and connected to the drive motor 200 and the reverse rotation The pinion gear 300 is installed so that the rack gear 400 is raised and lowered by the pinion gear 300. At this time, the guide pipe 500 for guiding the rack gear 400 is installed in the lower part of the refrigerator.

However, such a refrigerator is formed so that the rack gear 400 is installed at the lower portion of the storage space 120 and ascended through a heat insulating wall, so that the lower portion of the storage space 120 has a height higher than the distance at which the rack gear 400 is lifted. Accordingly, there is a problem that the size of the refrigerator is hindered and restrictions are imposed on utilization of the internal space under the storage space 120.

In addition, since the rack gear 400 is installed at the lower portion of the storage space 120 and is elevated through the insulating wall, the heat generated from the cooling unit generating high heat, such as a compressor and a condenser, installed at the lower portion of the refrigerator is installed in the rack gear 400. There was a problem that the cooling efficiency is lowered by being transferred into the storage space through).

In addition, since only one rack gear 400 is installed at the center of the bottom of the shelf 110, the rack gear 400 is bent or broken during the repeated lifting process, or is separated from the guide pipe 500 when the rack gear 400 is raised to the upper part. There was a problem that could be done.

The present invention is to solve such a problem, it is an object of the present invention to provide a refrigerator capable of improving the thermal insulation efficiency and efficient use of space by installing a retreat member in the storage compartment.

Refrigerator according to the present invention for achieving this object is a storage compartment in which a container for refrigerating food is stored and one side is openably formed so that the container can enter and exit, from the inside of the storage compartment to the outside of the openable side And a retraction member for retracting and entering the container through the openable surface, and a driving part for driving the retraction member.

The apparatus may further include a heat insulating part surrounding the outer wall of the storage compartment to block heat transfer between the inside and the outside of the storage compartment, wherein the driving part is installed outside the storage compartment adjacent to the heat insulating part, and the power is supplied from the driving part to the retraction member. It further comprises a power transmission unit for transmitting.

The apparatus may further include a power transmission unit for power transmission from the driving unit to the advance member.

The drive unit may include a drive motor, and the power transmission unit may include a pinion gear installed on a shaft of the drive motor and a rack gear formed on the retracting member to engage with the pinion gear.

In addition, a plurality of the retraction member is installed, the drive unit includes a drive motor, the power transmission unit, a drive gear installed in the drive motor, a first driven gear, a second driven gear to be engaged with the drive gear, A first pinion gear connected to the shaft to rotate together with the first driven gear, a third driven gear meshing with the second driven gear, a second pinion gear connected to the shaft to rotate together with the third driven gear, and And a first rack gear formed on the first retracting member to engage with the first pinion gear, and a second rack gear formed on the second retracting member to engage with the second pinion gear.

In addition, the container is formed so that it can be placed in conjunction with the retracting member to enter and exit the container through the openable surface, the rack is installed with a driven pinion gear, the third rack gear is engaged with the driven pinion gear is formed It further comprises a guide bar for guiding the shelf to move along a certain path.

In addition, it characterized in that it further comprises a guide for guiding the moving member along a predetermined path.

In addition, the guide portion is characterized in that it further comprises a roller in contact with the advancing member.

In addition, the advance member is characterized in that the groove is formed so that the roller is engaged with the rotation.

In addition, the guide portion further comprises a guide member installed in parallel with the advance member, the roller is characterized in that it is installed to rotate in place on the guide member.

In addition, the openable one surface is formed on the upper surface of the refrigerator, the retracting member is characterized in that for lifting the container.

In addition, the storage compartment is formed of a box-shaped hexahedron, characterized in that the advancing member is installed at the corner of the side wall of the storage compartment.

In addition, the container is formed so that it can be placed, characterized in that it further comprises a shelf for interlocking with the advance member and the container through the openable surface.

Hereinafter, with reference to the accompanying drawings a preferred embodiment according to the present invention will be described in detail. In the present embodiment, a kimchi refrigerator will be described as an example of the refrigerator.

2 is an external perspective view of a refrigerator according to the present invention. Referring to FIG. 2, the refrigerator according to the present invention includes a housing 1 formed in an approximately box shape to form an appearance. The inside of the housing 1 is a storage chamber 10 is formed so that the container 15 containing kimchi is stored therein to be refrigerated. The cover 3 is installed at an upper portion of the storage compartment 10. The cover 3 is rotatably installed around the rear of the housing 1 so as to be opened and closed up and down. In addition, a heat insulation part 42c (see FIG. 3) is formed inside the cover 3 to block heat transfer from the outside and the storage compartment 10 when the cover 3 is closed. The operation part 5 is formed in front of the upper surface of the housing 1 so that the user can control the operation of the kimchi refrigerator.

3 is a cross-sectional view illustrating a state in which a container is moved in and out of the refrigerator in accordance with the present invention, and FIG.

3 and 4 will be described in more detail with respect to the refrigerator according to the present invention.

Referring to FIG. 3, the storage compartment 10 is formed above the inside of the housing 1 of the refrigerator according to the present invention. The retreat member 31 and the shelf 39 are installed in the storage compartment 10 to elevate the container 15 accommodated in the storage compartment 10.

The control part 47 is provided in the side part of the storage chamber 10. The controller 47 is electrically connected to the operation unit 5 (see FIG. 2) to control the refrigerator using a signal input from the user at the operation unit 5. The driving unit chamber 20 is formed under the control unit 47, and the gearbox 24 is formed inside the driving unit chamber 20.

The condenser 41, the compressor 43, etc. are installed in the lower part of the housing 1, and comprise a cooling cycle. The inside of the storage compartment 10 is cooled by the evaporation heat of the refrigerant evaporating from the refrigerant pipe 45 surrounding the storage compartment 10 along the outer wall 13 of the storage compartment 10. In addition, the storage compartment outer wall 13 is formed to surround the storage compartment outer wall 13 with a heat insulating portion 42a for blocking heat transfer from the outside of the storage compartment 10 to the interior of the storage compartment 10. In addition, a heat insulating part 42b is formed below the driving part chamber 20 to prevent heat generated from the compressor 43, the condenser 41, and the like from being transferred into the storage chamber 10 through the driving part chamber 20.

Referring to FIG. 4, a driving unit is installed at one outside of the storage compartment 10 of the refrigerator according to the present invention. The driving unit includes a driving motor 21. The drive motor 21 is fixedly installed in the drive chamber 20 (refer to FIG. 3), and transmits power to the retraction members 31 and 33 through the power transmission units 25, 26, 27, 28, 29a, 29b, and the like. do.

The drive gear 25 is installed in the drive motor 21 to rotate together as the drive motor 21 rotates. On the left side of the drive gear 25 shown in Fig. 4, a first driven gear 26 is provided to engage the drive gear 25 so as to rotate in a direction opposite to the rotational direction of the drive motor 21. A second driven gear 27 is installed on the right side surface of the drive gear 25 in FIG. 4 to engage with the drive gear 25 so as to rotate in a direction opposite to the rotational direction of the drive motor 21. A third driven gear 28 is installed on the right side surface of the second driven gear 27 in FIG. 4 to engage with the second driven gear 27 to rotate in the same direction as the rotation direction of the drive gear 25. The drive gear 25, the first driven gear 26, the second driven gear 27, and the third driven gear 28 rotate in place in the gearbox 24 (see FIG. 3) on the side of the drive chamber 20. To be installed. Meanwhile, the shaft 22 fixed to the first driven gear 26 and the third driven gear 28 extends through the heat insulating part 42a (see FIG. 3) and into the storage compartment 10. The first pinion gear 29a and the second pinion gear 29b are installed in the storage compartment 10 and are coupled to the shaft 22 extending into the storage compartment 10. Therefore, the first driven gear 26 and the first pinion gear 29a rotate together in the same direction, and the third driven gear 28 and the second pinion gear 29b rotate together in the same direction. Therefore, when the drive motor 21 rotates in the counterclockwise direction, the drive gear 25 rotates in the same direction, the first driven gear 26 and the first pinion gear 29a clockwise, the second driven gear Reference numeral 27 is a clockwise direction, and the third driven gear 28 and the second pinion gear 29b are rotated counterclockwise.

Meanwhile, the first retracting member 31 and the second pinion gear 29b having the first rack gear 31a formed to be engaged with the first pinion gear 29a adjacent to the side wall of the storage compartment 10 are formed. A second retraction member 33 having a second rack gear 33a is provided. Therefore, when the driving motor 21 rotates in the counterclockwise direction, the first retraction member 31 engaged with the first pinion gear 29a that rotates in the clockwise direction rises, and the second pinion gear that rotates in the counterclockwise direction ( The second retraction member 33 engaged with 29b) rises at the same speed as shown in FIG.

In addition, the guide member 35 is installed at the edge of the side wall of the storage compartment 10 to guide the retreat members 31 and 33 to have a constant linear motion. The guide member 35 is a rod having a circular cross section, and the lower portion thereof is fixed to the bottom surface of the storage compartment 10. Grooves are formed on the surface facing the advance and exit members 31 and 33 of the guide member 35 and the surface facing the guide member 35 of the advance and exit members 31 and 33, respectively, and the rollers 35a, 3) is installed in contact with the retreat members 31 and 33 to rotate in place as the retreat members 31 and 33 are elevated. Therefore, the rollers 35a are engaged with the grooves to prevent the retraction members 31 and 33 from being separated from the inside of the storage chamber 10 and are guided to move linearly along a predetermined path. This will work.

In addition, the shelf 39 is fixed to the lower side of the retraction member (31, 33). Shelf 39 is formed in a flat plate shape so that the container 15 containing kimchi is placed. A driven pinion gear 23 is installed on the opposite side of the retracting members 31 and 33 of the shelf 39, and a guide bar 37 on which the third rack gear 37a meshes with the driven pinion gear 23 is vertical. Direction is fixed to the bottom of the storage compartment (10). Therefore, when the shelf 39 is moved up and down by the retracting members 31 and 33, the driven pinion gear 23 rotates while rising at the same speed as the retracting member along the third rack gear 37a. As a result, the shelf 39 is elevated while being horizontal.

As described above in detail, in the refrigerator according to the present invention, since the retraction member is installed in the storage room and lifted from the inside of the storage room to the outside, it is possible to freely use the space except the storage room inside the housing, and the external heat is not transmitted through the retreat member. Therefore, there is an effect that the thermal insulation effect can be improved.

In addition, a plurality of retracting members driven by one drive motor is installed there is an effect that can stably move the container.

In addition, since the retraction member is guided by the roller, there is an effect that it can be stably retracted while receiving a relatively low frictional resistance.

1 is a cross-sectional view showing a refrigerator according to the prior art.

2 is an external perspective view of a refrigerator according to the present invention.

3 is a cross-sectional view showing a state in which the container in and out of the refrigerator according to the present invention.

Figure 4 is a perspective view showing the inside of the storage compartment of the refrigerator according to the present invention.

* Description of symbols on the main parts of the drawings *

1: housing, 10: storage compartment,

31, 33: retreat member, 35: guide member,

35a: roller, 39: lathe,

37: Information bar, 23: Driven pinion gear

42a, 42b: insulation.

Claims (13)

A storage compartment in which a container for refrigerating food is stored and one surface of the container is removably formed to allow the container to enter and exit the food; A retracting member which retracts from the inside of the storage chamber to the outside of the openable surface to allow the container to enter and exit the openable surface; And a driving unit for driving the retraction member. The method of claim 1, Further comprising a heat insulating portion surrounding the outer wall of the storage compartment to block heat transfer inside and outside the storage compartment, The driving part is installed outside the storage compartment adjacent to the heat insulating part, And a power transmission unit configured to transfer power from the driving unit to the advance member. The method of claim 1, And a power transmission unit for power transmission from the driving unit to the advance member. The method of claim 3, The drive unit includes a drive motor, And the power transmission unit includes a pinion gear installed on a shaft of the drive motor and a rack gear formed on the retracting member to mesh with the pinion gear. The method of claim 3, The retraction member is provided with a plurality, The drive unit includes a drive motor, The power transmission unit, A drive gear installed in the drive motor; A first driven gear and a second driven gear meshed with the drive gear; A first pinion gear connected to the shaft to rotate together with the first driven gear; A third driven gear meshing with the second driven gear; A second pinion gear connected to the shaft to rotate together with the third driven gear; A first rack gear formed on the first retracting member to be engaged with the first pinion gear; And a second rack gear formed on the second retracting member to be engaged with the second pinion gear. The method of claim 5, A shelf which is formed to be placed in the container and which is linked with the retracting member to allow the container to enter and exit through the openable surface, and to which a driven pinion gear is installed; And a guide bar configured to engage with the driven pinion gear to guide the shelf to move along a predetermined path. The method of claim 1, The refrigerator further comprises a guide for guiding the moving member to move along a predetermined path. The method of claim 7, The guide unit further comprises a roller in contact with the advancing member. The method of claim 8, And a groove is formed in the advance member so that the roller is engaged with the roller. The method of claim 8, The guide portion further includes a guide member installed in parallel with the advance member, And the roller is installed to rotate in place on the guide member. The method of claim 1, The openable surface is formed on an upper surface of the refrigerator, And the retracting member lifts and lowers the container. The method of claim 11, The storage chamber is formed of a box-shaped cube, And the retraction member is installed at an edge of the side wall of the storage compartment. The method of claim 1, And a shelf which is formed so that the container can be placed and interlocks with the retracting member to allow the container to enter and exit through the openable surface.