CN114754543A

CN114754543A - Drawer door body and refrigerator

Info

Publication number: CN114754543A
Application number: CN202110024154.4A
Authority: CN
Inventors: 任志伟; 张�浩; 王文椿; 李佳明; 吕鹏
Original assignee: Qingdao Haier Refrigerator Co Ltd; Haier Smart Home Co Ltd
Current assignee: Qingdao Haier Refrigerator Co Ltd; Haier Smart Home Co Ltd
Priority date: 2021-01-08
Filing date: 2021-01-08
Publication date: 2022-07-15
Anticipated expiration: 2041-01-08
Also published as: CN114754543B; WO2022148110A1

Abstract

The invention provides a drawer door body and a refrigerator, which comprise a door body, a support fixed on the door body and extending along the front-back direction, and a slide rail assembly matched with the support, and are characterized in that: the sliding rail assembly comprises a fixed sliding rail, a movable sliding rail and a roller, the fixed sliding rail and the movable sliding rail are matched with each other, the roller is fixed to the support, and the movable sliding rail is provided with a sliding rail which is matched with the roller so that the door body can move back and forth. The invention can not only ensure that the sliding rail component has enough stroke, but also reduce the cost.

Description

Drawer door body and refrigerator

Technical Field

The invention relates to a drawer door body and a refrigerator, in particular to a drawer door body and a refrigerator with long stroke and low cost of a sliding rail assembly.

Background

The drawer door body of the existing refrigerator and the drawer structure in the refrigerator adopt structures such as three-section sliding rails or roller sliding rails to realize drawing, but the three-section sliding rails face the problem of higher cost, and the roller sliding rails are lower in cost but too short in stroke. There is no better solution. Especially for the drawer door body, if the roller slideway with lower cost is adopted, the drawer volume is usually sacrificed.

In view of the above, there is a need for an improved drawer door and refrigerator to solve the above problems.

Disclosure of Invention

The invention aims to provide a drawer door body with a long stroke and low cost of a sliding rail assembly and a refrigerator.

In order to achieve the purpose, the invention provides a drawer door body, which comprises a door body, a support and a slide rail assembly, wherein the support is fixed on the door body and extends along the front-back direction, the slide rail assembly is matched with the support, the slide rail assembly comprises a fixed slide rail and a movable slide rail which are matched with each other, and a roller fixed with the support, and the movable slide rail is provided with a slide way which is matched with the roller so that the door body can move back and forth.

As a further improvement of the invention, the slide way is concavely formed from the movable slide rail along the transverse direction.

As a further improvement of the present invention, the bracket has a base portion extending in the front-rear direction, a protruding portion protruding from the base portion in the lateral direction, and the drawer door body further includes a support structure provided at a front side of the movable slide rail to support the protruding portion.

As a further improvement of the invention, the supporting structure is a guide wheel fixed on the movable sliding rail.

As a further development of the invention, the projecting portion has a stop portion projecting downward and located at the rear side of the support structure.

As a further improvement of the invention, the movable sliding rail is also provided with a notch which is positioned at the rear side of the supporting structure so that the roller can enter the slideway, and the notch is arranged above the movable sliding rail.

As a further improvement of the invention, the movable slide rail is provided with a movable slide rail body matched with the fixed slide rail and a fixing piece fixed with the movable slide rail body, and the slide way is arranged on the fixing piece.

As a further improvement of the invention, the slide way is formed by sinking from the movable slide rail along the transverse direction, and the slide rail component also comprises pulleys which are respectively fixed on the upper side and the lower side of the movable slide rail and are matched with the fixed slide rail.

As a further improvement of the invention, the movable sliding rail is provided with fixing parts respectively positioned at the upper side and the lower side of the slideway, and the fixing parts extend along the upper direction and the lower direction to fix the pulley.

As a further improvement of the present invention, the fixing portion and the slide way are integrally formed, and the fixing portion is respectively formed by bending up and down from the end portion of the slide way.

As a further improvement of the invention, the fixed slide rail is provided with a slide groove which is sunken along the transverse direction to be matched with the pulley and a back-proof part which is positioned at the front side of the slide groove and is used for preventing the pulley from back.

As a further improvement of the invention, the pulleys positioned on the lower side of the movable sliding rail roll along the lower inner wall of the sliding chute, and the sliding rail assembly comprises a plurality of pulleys positioned on the lower side of the sliding rail and arranged at intervals.

As a further improvement of the invention, the fixed slide rail is made of plastic material.

The invention also provides a refrigerator which comprises an inner container with the storage chamber and a drawer arranged in the storage chamber, wherein the refrigerator also comprises the drawer door body which is matched with the drawer and is as above.

The invention has the beneficial effects that: the sliding rail component of the refrigerator comprises a fixed sliding rail, a movable sliding rail and a roller wheel, wherein the fixed sliding rail and the movable sliding rail are matched with each other, the roller wheel is fixed with a support, and the movable sliding rail is provided with a sliding rail which is matched with the roller wheel so that a door body can move back and forth. Therefore, not only can the enough stroke of the slide rail assembly be ensured, but also the cost can be reduced.

Drawings

Fig. 1 is a schematic perspective view of a first embodiment of a drawer door body according to the present invention.

Fig. 2 is a perspective view of the slide rail assembly of the present invention.

Fig. 3 is an enlarged view at a in fig. 2.

Fig. 4 is an exploded perspective view of fig. 2.

Fig. 5 is another exploded perspective view of fig. 2.

FIG. 6 is a perspective view of a second embodiment of the drawer door of the present invention.

Fig. 7 is an enlarged view at B in fig. 6.

Fig. 8 is an exploded perspective view of fig. 6.

Fig. 9 is another exploded perspective view of fig. 6.

Detailed Description

The present invention will be described in detail below with reference to embodiments shown in the drawings. The present invention is not limited to the embodiment, and structural, methodological, or functional changes made by one of ordinary skill in the art according to the embodiment are included in the scope of the present invention.

Fig. 1 to 8 show an embodiment of a drawer door according to the present invention, where the drawer door includes a door body 1, a support 2 fixed on the door body 1 and extending in a front-back direction, and a slide rail assembly engaged with the support 2, where the slide rail assembly includes a fixed slide rail 3 and a movable slide rail 4 engaged with each other, and a roller 5 fixed to the support 2, and the movable slide rail 4 has a slide rail 41 engaged with the roller 5 to facilitate the door body 1 to move back and forth.

Specifically, as shown in fig. 1 to 5, which are first embodiments of the present invention, in this embodiment, the drawer door body is mainly applied to a refrigerator, the refrigerator includes an inner container 6 having a storage compartment, and a drawer 7 disposed in the storage compartment, wherein the drawer 7 is fixedly or detachably disposed on the bracket 2, and the slide rail assembly is disposed between a side wall of the inner container 6 and the bracket 2. Of course, in other embodiments, the drawer door body can also be applied to other storage devices.

The drawer door body comprises a pair of supports 2 which are arranged at intervals along the transverse direction so as to be matched with the left side wall and the right side wall of the inner container 6 respectively, and therefore sliding rail assemblies on the left side and the right side are arranged.

The bracket 2 has a base 21 extending in the front-rear direction, a protruding portion 22 protruding from the base 21 in the lateral direction, and a positioning portion 23 bent from the front end of the base 21 in the lateral direction. The positioning parts 23 on the left and right sides are oppositely bent so as to be fixed on the door body 1.

In the present embodiment, the base 21 is a vertically disposed planar structure, the protruding portion 22 is formed to protrude from the top end of the base 21 toward the sidewall of the inner container 6, and further, the protruding portion 22 further has a stop portion 24 protruding downward and an extending portion 25 extending downward from the distal end thereof. Therefore, the structure of the bracket 2 is simple and convenient to form.

Drawer door body is still including setting up in controlling between support 2 and in order to control respectively and connect the reinforcement 8 of support 2, reinforcement 8 can prevent that support 2 from removing along the transverse direction, reduces support 2 and buckles impaired risk.

The idler wheel 5 is arranged on the base part 21 and is positioned at the rear end of the base part 21, so that the drawer door body can be ensured to smoothly move back and forth along the movable sliding rail 4, and meanwhile, a longer stroke can be ensured, so that the drawer door body can be pulled out forwards for a longer distance, a user can conveniently place food materials in the drawer 7, and the drawer door body can be conveniently detached and installed.

In the prior art, three-level slide rails are usually adopted between the drawer door body and the liner 6, that is, the three-level slide rails include an outer slide rail arranged on the liner 6, an inner slide rail matched with the support 2, and a middle slide rail arranged between the outer slide rail and the inner slide rail, wherein the outer slide rail, the inner slide rail and the middle slide rail are all long-strip-shaped metal structures extending in the front-back direction, and the ball supports 9 are adopted between the outer slide rail and the middle slide rail and between the middle slide rail and the inner slide rail to slide with each other.

Therefore, compared with the prior art, the slide rail assembly adopts the roller 5 to replace an inner slide rail and a ball support 9 in the prior art, not only maintains the stroke length and the function of stable sliding in the prior art, but also greatly reduces the production cost, simplifies the assembly process and improves the production efficiency.

In this embodiment, the structure of the movable sliding rail 4 is obtained by improving the movable sliding rail 4 in the prior art, the movable sliding rail 4 in the prior art is a vertical flat structure and a sliding structure with two ends bent transversely in the same direction, and is substantially in a "u" structure, and the rolling path for the roller 5 to slide can be formed by adding the recess at the vertical flat structure, so that the manufacturing process is very simple and convenient. Of course, in other embodiments, the movable pulley 10 in the prior art can be directly adopted, and the structure of the pulley 10 is only required to be configured into a shape matched with the sliding structure.

The invention also provides another structure (not shown) of the movable slide rail 4, the movable slide rail 4 is provided with a movable slide rail 4 body matched with the fixed slide rail 3 and a fixing piece fixed with the movable slide rail 4 body, and the slide rail 41 is arranged on the fixing piece. Namely, the structure of the existing movable sliding rail 4 and the structure of the roller 5 are directly utilized, no change is needed, only an element is added on the basis of the existing movable sliding rail 4, and the sliding rail 41 for the roller 5 to move is arranged on the element.

The movable sliding rail 4 is also provided with a supporting structure 42 which is arranged at the front side of the movable sliding rail 4 and is used for supporting the protruding part 22, so that two points of support in the front-back direction can be ensured in the process that the bracket 2 moves back and forth, namely the supporting structure 42 and the roller 5 are supported at two points, the drawer door body can be always in a balanced state, and the supporting structure 42 is arranged at the front side of the movable sliding rail 4, so that the whole stroke of the bracket 2 can be kept balanced.

In this embodiment, the supporting structure 42 is a guide wheel fixed on the movable sliding rail 4, the guide wheel is matched with the inner wall of the protruding portion 22 (the lower surface of the protruding portion 22) of the bracket 2, and the guide wheel is limited between the extending portion 25 and the base portion 21, so that the transverse deviation is not easy to occur in the process of moving back and forth.

Therefore, through the arrangement of the guide wheel, the friction force of the front and back movement of the support 2 can be reduced, the moving smoothness of the drawer door body is improved, the user experience is further improved, in addition, the guide wheel is arranged on the front side, the effect of stopping the roller 5 can also be realized, and the drawer door body is prevented from being directly pulled out. Of course, in other embodiments, the supporting structure 42 may be integrally formed on the movable sliding rail 4, or may be separately mounted on the movable sliding rail 4.

Not only the guide wheel can serve as a stopping roller 5 to slide out of the movable sliding rail 4, but also the stopping part 24 on the protruding part 22 is located at the rear side of the supporting structure 42, so that the stopping part 24 can stop the drawer door body from sliding out further forwards in cooperation with the supporting structure 42. By arranging the stop part 24, when the stop part 24 is matched with the support structure 42, a certain distance still exists between the roller 5 and the support structure 42, so that the drawer door body can be stably kept in balance without being held by hands of a user, and the phenomenon that the balance cannot be maintained by the drawer door body when the distance between the roller 5 and the support structure 42 is too close is avoided.

In this embodiment, the movable sliding rail 4 further has a notch 43 located at the rear side of the supporting structure 42 so that the roller 5 enters the slideway 41, and the notch 43 is disposed above the movable sliding rail 4. Therefore, when the drawer door is installed, the front side of the door 1 can be tilted upward and the roller 5 is aligned with the notch 43, and then the door can be pushed forward until the stopping portion 24 is located at the rear side of the supporting structure 42, and finally the door 1 is laid flat. The notch 43 is arranged on the upper side, so that the staff or the user can conveniently observe and align when installing. Of course, in other embodiments, the notch 43 may also be disposed on the lower side of the movable sliding rail 4.

As shown in fig. 1 to 2, a second embodiment of the present invention is different from the first embodiment in that a ball support 9 between a middle rail and an outer rail in the prior art is further eliminated and then replaced by a pulley 10, thereby further reducing the manufacturing cost.

Specifically, in this embodiment, the fixed slide rail 3 is made of plastic, and the fixed slide rail 3 has a slide groove 31 recessed along the transverse direction and a retreat prevention portion 32 located at the front side of the slide groove 31. The retreat preventing portion 32 is provided in front of the lower chute 31. Because the pulley 10 does not need a metal material with better rigidity in rolling, the fixed slide rail 3 is made of a plastic material, so that the cost can be further reduced. Of course, in other embodiments, the fixed slide rail 3 may also be made of metal.

The movable slide rail 4 has fixing portions 44 respectively located at upper and lower sides of the slide rail 41, the fixing portions 44 extend in the up-down direction to fix the pulley 10, in this embodiment, the fixing portions 44 are integrally formed with the slide rail 41, that is, the fixing portions 44 are respectively formed by bending up and down from the end of the slide rail 41.

The movable slide rail 4 can also be said to be formed by stamping and recessing a flat plate-shaped structure, and the shape is similar to the upper half part of a Chinese character 'tu'. Therefore, the process is very simple, the manufacturing is convenient, and the fixing portion 44 can be used for fixing the pulley 10 and shielding the pulley 10, so that the attractiveness is improved.

Of course, in other embodiments, the length of the fixing portion 44 in the front-back direction may also be smaller than the length of the slideway 41, that is, only the position where the pulley 10 is installed needs to be provided, thereby further reducing the material and cost. The fixing portion 44 may not be provided, and the pulley 10 may be directly fixed to the upper and lower surfaces of the chute 41. Or the fixing portion 44 may be assembled to the chute 41.

In this embodiment, the pulley 10 slides along the upper and lower inner walls of the chute 31, so that the width of the pulley 10 in the transverse direction can be reduced, and the thickness of the fixed rail 3 and the movable rail 4 in the transverse direction can be further reduced by accommodating the slide rail 41 in the chute 31, thereby increasing the volume of the drawer 7. Of course, in other embodiments, the pulley 10 can slide along the inner wall of the sliding groove 31 in the transverse direction.

In this embodiment, the anti-back part 32 and the lower pulley 10 can jointly keep balance of the movable sliding rail 4, and in order to further facilitate the forward and backward movement of the movable sliding rail 4, the anti-back part 32 can also be provided as the pulley 10 fixed on the front side of the fixed sliding rail 3.

In summary, the sliding rail assembly of the refrigerator of the present invention comprises a fixed sliding rail 3, a movable sliding rail 4 and a roller 5 fixed to the bracket 2, wherein the movable sliding rail 4 has a sliding track 41 which is matched with the roller 5 so as to facilitate the door body 1 to move back and forth. Therefore, not only can the enough stroke of the slide rail assembly be ensured, but also the cost can be reduced.

Although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the present invention.

Claims

1. The utility model provides a drawer door body, includes the door body, be fixed in on the door body and along the support that the fore-and-aft direction extends, with support matched with slide rail set spare, its characterized in that: the sliding rail assembly comprises a fixed sliding rail, a movable sliding rail and a roller, the fixed sliding rail and the movable sliding rail are matched with each other, the roller is fixed to the support, and the movable sliding rail is provided with a sliding way which is matched with the roller so that the door body can move back and forth.

2. The drawer door of claim 1, wherein: the slide is from the sunken formation of movable slide rail along transverse direction.

3. The drawer door of claim 2, wherein: the support is provided with a base part extending along the front-back direction and a protruding part protruding from the base part along the transverse direction, and the drawer door body further comprises a supporting structure arranged on the front side of the movable sliding rail to support the protruding part.

4. The drawer door of claim 3, wherein: the supporting structure is a guide wheel fixed on the movable slide rail.

5. The drawer door of claim 3, wherein: the protruding portion has a stopper portion protruding downward and located at a rear side of the support structure.

6. The drawer door of claim 3, wherein: the movable sliding rail is also provided with a notch which is positioned at the rear side of the supporting structure so that the roller can enter the slideway, and the notch is arranged above the movable sliding rail.

7. The drawer door of claim 1, wherein: the movable slide rail is provided with a movable slide rail body matched with the fixed slide rail and a fixing piece fixed with the movable slide rail body, and the slide way is arranged on the fixing piece.

8. The drawer door of claim 1, wherein: the slide certainly the slide rail is along the sunken formation of transverse direction, the slide rail set spare still is including being fixed in respectively the both sides just with fixed slide rail matched with pulley about the slide rail.

9. The drawer door of claim 8, wherein: the movable sliding rail is provided with fixing parts which are respectively positioned at the upper side and the lower side of the sliding way, and the fixing parts extend along the upper direction and the lower direction to fix the pulleys.

10. The drawer door of claim 9, wherein: the fixing part with slide integrated into one piece, just the fixing part is respectively from the tip of slide bending type from top to bottom.

11. The drawer door of claim 9, wherein: the fixed slide rail is provided with a slide groove which is sunken along the transverse direction to be matched with the pulley and a retreat prevention part which is positioned at the front side of the slide groove to prevent the pulley from retreating.

12. The drawer door of claim 11, wherein: the sliding rail assembly comprises a sliding rail and a sliding rail component, wherein the sliding rail component comprises a plurality of sliding rails, the sliding rails are arranged on the lower side of the sliding rail, and the sliding rails are arranged at intervals.

13. The drawer door of claim 9, wherein: the fixed slide rail is made of plastic materials.

14. The utility model provides a refrigerator, includes the inner bag that has the storing room, sets up the drawer in the storing room, its characterized in that: the refrigerator also comprises a drawer door body which is matched with the drawer and is as claimed in claims 1 to 13.