KR101266872B1 - Slide-rail device for refrigerator - Google Patents

Abstract

Disclosed is a slide rail apparatus of a refrigerator in which a storage member of a refrigerator sliding outward is stably operated without a left and right flow. The slide rail device of the refrigerator according to the present invention supports the movable rails and the movable rails provided on both sidewalls of the housing member so as to guide the sliding operation of the housing member installed to slide outward in the storage compartment of the refrigerator. In the slide rail device of the refrigerator having fixed rails fixed to both inner walls of the storage compartment, each of the fixed rails is provided with a guide portion in the withdrawal direction, the storage member is in contact with each guide portion of the two fixed rails at the same time sliding direction A guide member is provided to allow the receiving member to move synchronously, and the guide member includes a shaft provided at both ends of the shaft and a roller which is relatively rotatably coupled through the protrusion provided at the rear of the receiving member. Therefore, the roller is rotatably coupled to the guide part during sliding withdrawal to allow the slide rail devices on both sides to move in the same manner, thereby preventing the housing member from being deflected and flowing to one side.

Description

SLIDE-RAIL DEVICE FOR REFRIGERATOR}

1 is a front view showing a refrigerator according to the present invention.

FIG. 2 is an exploded view of the accommodating member drawn out by the slide rail device of the refrigerator according to the present invention.

Figure 3 is an exploded perspective view showing an enlarged guide member provided in the slide rail device of the refrigerator according to the present invention.

4 is a side view of the combination of FIG.

5 is a side view of the combination of the refrigerator slide rail apparatus according to another embodiment of the present invention.

6 and 7 are an exploded perspective view and a combined side view of a refrigerator slide rail device according to another embodiment of the present invention.

Description of the Related Art [0002]

1..Main body 10,20..Storage room

22. Storage member 30. Slide rail device

31. Fixed movable rail 32. Extended movable rail

33. Fixed rail 40, 50.

Guide section 42.Slot

43. Roller 44. Seating protrusion

45..Shaft

The present invention relates to a slide rail device of a refrigerator, and more particularly, to a slide rail device of a refrigerator for stably operating the storage space which is slid out to the front side.

In general, the refrigerator is a device provided to maintain the freshness of various foods for a long time by supplying the cold air generated from the evaporator of the refrigeration cycle for a long time, the inside of the main body forming the exterior is formed with a storage compartment with an open front, the storage compartment in front of the body The door is coupled to open and close.

In addition, a plurality of storage members such as a drawer or a basket is installed in the storage compartment to facilitate storage of food, and the storage member is installed to slide out from the inside of the storage compartment to the storage compartment front side through a slide rail device.

For example, Korean Patent Utility Model Publication No. 20-0309527 discloses a slide rail device that is conventionally employed in the refrigerator. The slide rail apparatus includes a fixed rail fixedly installed on an inner wall of the storage compartment, and a movable rail provided in the storage member to be drawn out together with the storage member drawn out toward the front of the storage chamber. The movable rail is composed of a fixed movable rail provided to be fixed to the receiving member again, and an extended movable rail provided between the fixed movable rail and the fixed rail so as to extend the withdrawal length of the fixed movable rail.

Therefore, such a slide rail device has a sliding operation between the fixed movable rail and the extension movable rail and the double sliding operation between the movable movable rail and the fixed rail, and the storage member installed in the storage compartment is slid out and moved forward, or toward the front side of the storage compartment. Sliding and retracting into the storage compartment in the withdrawn state.

However, the slide rail device provided in the conventional refrigerator has a problem that the movable movable rail and the extended movable rail and the fixed rail provided on both sides of the accommodating member do not operate the same when sliding out of the accommodating member. That is, since the slide rail of one side is drawn out or behind the slide rail of the other side, there is a problem that the receiving member flows left and right while being deflected and drawn out to one side.

The present invention is to solve the above-mentioned problems of the prior art, an object of the present invention is to provide a slide rail device of the refrigerator to allow the storage member of the refrigerator to be drawn out stably withdrawn without the left and right flow.

The slide rail device of the refrigerator according to the present invention for achieving the above object is movable rails provided on both sidewalls of the housing member to guide the sliding operation of the housing member installed to slide out in the storage compartment of the refrigerator forward, and movable In the slide rail device of the refrigerator having fixed rails fixed to both inner walls of the storage compartment so as to support the rail slidably, each of the fixed rails is provided with a guide portion in the drawing direction, the receiving member each guide of the fixed rails on both sides A guide member is provided to simultaneously contact the portion to allow the receiving member to move synchronously along the sliding direction, wherein the guide member is relatively rotatably coupled to the shaft through the protrusion provided at the rear of the receiving member, and rollers provided at both ends of the shaft. It includes.

In addition, the guide portion of the refrigerator slide rail apparatus according to the present invention is made of a slot provided in the lower portion of the fixed rail, the roller of the guide member is inserted into the slot to rotate.

In addition, the guide portion of the refrigerator slide rail apparatus according to the present invention is made of a seating protrusion provided on the lower portion of the fixed rail, the mounting groove is provided on the circumference of the roller of the guide member is fitted.

According to another aspect of the present invention, the movable rails provided on both sidewalls of the storage member and the movable rail are slidably supported to guide the sliding operation of the storage member installed to slide outward in the storage compartment of the refrigerator. In the slide rail apparatus of the refrigerator having fixed rails fixed to both inner walls of the storage compartment, each of the fixed rails is provided with a guide portion in the drawing direction, and the receiving member contacts the guide portions of the both fixed rails at the same time to move the sliding direction. A guide member is provided to allow the receiving member to move synchronously. The guide member includes a stepped portion provided under the fixed rail, and the guide member includes a roller rotatably coupled to the lower side of the housing member. Disclosed is a slide rail apparatus of a refrigerator supported in contact with a.

In addition, the guide portion of the refrigerator slide rail apparatus according to the present invention has a stepped portion provided on the lower surface of the fixed rail, the roller of the guide member is supported from the side of the stepped portion, the roller is provided in pairs.

Hereinafter, a slide rail device of a refrigerator according to a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

1 shows a refrigerator according to the present invention. Referring to the drawings, the refrigerator includes a main body 1 having a storage compartment 10 formed therein. The storage compartment 10 is divided up and down so that the upper storage compartment 10 is used for the refrigerating compartment, and the lower storage compartment 20 is used for the freezer compartment.

Doors 11 and 21 are installed in front of each of the storage compartments 10 and 20 to selectively open and close the interior. The refrigerating storage chamber 10 is provided with doors 11 installed in both left and right directions to rotate and open, respectively, and the refrigerating storage chamber 20 is provided with a door 21 sliding and opening forward. Since the door 21 of the freezer compartment 20 is made of a drawer type, the inner accommodating member 22 of FIG. 2 also slides when opened.

A plurality of shelves 12 are provided in multiple stages on the rear surface of the door 11 to be rotated to open and close the food. Similarly, inside the refrigerating storage chamber 10, as well as a plurality of shelves 13, a storage member in the shape of a drawer 14 or basket 15 is provided.

Although not shown, the rear inner main body 1 of the refrigerating storage chamber 10 is provided with an evaporator of a refrigerating cycle for generating cold air and supplying it to the storage chamber 10, and the rear inner main body 1 of the refrigerating storage chamber 20. ) Is equipped with a machine room in which a compressor and a condenser are installed for compressing the refrigerant and condensing the compressed refrigerant to the evaporator side. Unexplained reference numeral 16 is an ice maker.

FIG. 2 is an exploded view illustrating an accommodating member slidingly drawn out by a slide rail device in a lower storage compartment of a refrigerator according to the present invention. Referring to the drawings, a slide rail device 30 is installed between the accommodating member 22 and the storage compartment 20 to slide out the accommodating member 22.

The slide rail device 30 includes movable rails 31 and 32 installed on sidewalls of the storage member so that the slide rail device 30 is pulled out together with the storage member 22 and the storage rails 20 to slidably support the movable rails 31 and 32. It consists of a fixed rail 33 is installed on the inner wall.

The movable rails 31 and 32 are fixed movable rails 31, which are provided to be fixed to the side walls of the housing member 22, and fixed movable rails 31 so that the extension lengths of the fixed movable rails 31 extend. It is configured to include a movable movable rail 32 for sliding between the rails 31 and 33 provided between the fixed rail 33. Here, the extension movable rail 32 may be selectively deleted, in this case, the fixed movable rail 31 is coupled to slide directly with the fixed rail (33).

3 and 4 are exploded views of the guide member 40 provided in the slide rail device 30 of the refrigerator according to the present invention. The guide member 40 is to prevent the left and right flow of the housing member 22 caused by the sliding rail devices 30 provided on both sides of the housing member 22 do not slide at the same time. The guide member 40 is in contact with the guide portion 41 of the fixed rail 33 installed on both inner walls of the storage chamber 20 at the same time to allow the receiving member 22 to move synchronously along the sliding direction.

The guide portion 41 protruding from the lower portion of the fixed rail 33 may include a slot 42 provided along the sliding direction of the housing member 22.

In addition, the guide member 40 includes a roller 43 inserted into the slot 42 to rotate along the sliding movement direction of the housing member 22. The roller 43 is rotatably coupled to the housing member 22, and the rotation center is connected by the shaft 45 so that the rollers 43 on both sides of the housing member 22 can rotate at the same time. . The shaft 45 is coupled to the protrusions 23 protruding from both rear ends of the housing member 22, respectively.

The protrusion 23 has a through hole 24 formed in the center thereof, and the shaft 45 is rotatably coupled to the through hole 24.

Therefore, when the housing member 22 is slid out, the rollers 43 provided on both sides of the housing member 22 are fitted into the slots 42 of the guides 41 on both sides, and synchronously rotate so that the housing member 22 is synchronously rotated. Sliding to one side to prevent sliding out.

On the other hand, Figure 5 is a side cross-sectional view showing a guide member of the refrigerator according to another embodiment of the present invention. The guide member of this embodiment is described below with respect to the guide member of the above-described embodiment.

According to the present embodiment, the guide portion 41 provided on the fixed rail 33 is made of a seating protrusion 44 which extends along the withdrawal direction of the housing member 22, and the roller 43 of the guide member. A mounting groove 46 into which the mounting protrusion 44 is fitted is provided.

Therefore, when the housing member 22 is drawn out, the roller 43 rotates along the seating protrusion 44 of the guide part 41 formed along the withdrawal direction of the housing member 22, as described above. Both sides of the 43 are synchronously rotated by the shaft 45, so that the housing member 22 is prevented from sliding in one side.

6 and 7 are a perspective view and a side cross-sectional view showing the guide member 50 of the refrigerator according to another embodiment of the present invention. The guide member of this embodiment is described below with respect to the guide member of the above-described embodiment.

According to this embodiment, the guide portion 41 has a stepped portion 48 provided below the fixed rail 33, the roller 51 of the guide member 50 is a side wall of the stepped portion 48 It is provided below the accommodating member 22 so that it may contact with 48b and may rotate. That is, the roller 51 is coupled to the shaft portion 52 by the bearing 53 so as to be relatively rotatable with the shaft portion 52 screwed to the receiving member 22.

Therefore, when the accommodating member 22 is drawn out, the roller 51 rotates in contact with the stepped side wall 48b of the guide part 41, thereby preventing the accommodating member 22 from sliding toward one side. .

On the other hand, according to this embodiment the roller 51 may be provided in a pair. Since the pair of rollers 51 are in contact with the stepped side wall 48b of the guide portion 41 more than one roller, the housing member 22 is more stably prevented from flowing left and right.

As described in detail above, the refrigerator according to the present invention includes a slide rail device consisting of a movable rail and a fixed rail so that the storage member slides forward and backward, and the fixed rail has a slot or seating protrusion in the drawing direction as a guide part. And a roller which is inserted into the slot or seating protrusion as a guide member to be rotated is rotatably coupled to the housing member, so that the slide rail devices on both sides move in the same manner during sliding withdrawal so that the housing member is biased to one side. Effectively prevent flow.

Claims (5)

delete delete delete Movable rails respectively provided on both side walls of the accommodating member to guide sliding operation of the accommodating member installed to slide outward in the storage compartment of the refrigerator, and fixed to both inner walls of the storage compartment so as to slidably support the movable rail. In the slide rail device of the refrigerator provided with a fixed rail, Each of the fixing rails is provided with a guide part in a drawing direction, and the receiving member is provided with a guide member for simultaneously contacting each guide part of both fixing rails so that the receiving member moves synchronously along the sliding direction. The guide portion has a stepped portion provided on the lower side of the fixed rail, The guide member includes a roller rotatably coupled to the lower side of the housing member, the roller is a slide rail device of the refrigerator, characterized in that the support is in contact with the side wall of the stepped portion. 5. The method of claim 4, Slider device of the refrigerator, characterized in that the roller is provided in a pair.

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