An automatic return mechanism for a refrigerator drawer

By incorporating a return lever, spring, and buffer assembly into the refrigerator drawer, the drawer achieves automatic return and a secure connection, solving the problems of cooling failure and slippage caused by the drawer not being pushed back, thus improving operational stability and energy efficiency.

CN224434823UActive Publication Date: 2026-06-30QINGDAO WEIHANG PLASTIC CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
QINGDAO WEIHANG PLASTIC CO LTD
Filing Date
2025-01-21
Publication Date
2026-06-30

AI Technical Summary

Technical Problem

Existing refrigerator drawers are prone to failure to be fully pushed back to their initial position due to user error, resulting in cooling failure, wasted energy, and instability. They are also prone to tilting, sliding out, and falling when pulled out.

Method used

An automatic return mechanism for refrigerator drawers was designed. By setting a combination of a return rod, spring, insert block and U-shaped groove in the drawer, combined with a buffer component, the drawer can automatically return to its original position and be securely connected to prevent it from sliding out.

Benefits of technology

It effectively solves the problems of refrigeration failure and energy waste caused by drawers not being pushed back in, improves the stability of use, prevents drawers from sliding out, and enhances the user experience.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224434823U_ABST
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Abstract

This utility model relates to the field of refrigerator drawer technology and provides an automatic return structure for a refrigerator drawer, comprising: a refrigerator body, a storage cavity at the front end of the refrigerator body, and a sealing door installed at the front end of the refrigerator body; a plurality of storage components are provided inside the storage cavity; each of the plurality of storage components includes a drawer body disposed inside the storage cavity, and sliding grooves are respectively provided on both sides of the storage cavity; by setting the storage components, a first spring is provided in the storage components, one side of the first spring is connected to the inner wall of the mounting groove opened on the return rod, and the other side is connected to the sliding groove, so as to facilitate automatic return after the drawer body is pulled out and released; by setting a buffer component, it is convenient to buffer during automatic return; by setting a plug and a U-shaped groove for insertion, and then fixed by a limiting rod, it is convenient to fix the drawer body, and also convenient to disassemble to prevent it from sliding out and falling.
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Description

Technical Field

[0001] This utility model belongs to the field of refrigerator drawer technology, and in particular relates to an automatic return structure for a refrigerator drawer. Background Technology

[0002] With the continuous improvement of living standards, refrigerators have become an indispensable household appliance. Users can store uneaten food in the refrigerator to prevent it from spoiling. Refrigerators with drawers have become a popular choice because they facilitate the classification and storage of food.

[0003] The existing technology still has the following shortcomings:

[0004] Many existing refrigerator drawers, when pulled out of the refrigerator to retrieve items, may cause users to forget to push the drawer back in due to mistake, or to only give a slight push and fail to close the drawer to its initial position inside the refrigerator. This results in the refrigerator drawer failing to cool the items and wasting energy, causing inconvenience to users. In addition, they are not stable enough during use, and are prone to tilting, sliding out and falling when pulled out. Utility Model Content

[0005] This utility model provides an automatic return structure for a refrigerator drawer, aiming to solve the problem that in many existing refrigerator drawers, when users pull them out of the refrigerator to retrieve items, they may forget to push the drawer back in due to mistake, or only give it a slight push and fail to return the drawer to its initial position inside the refrigerator. This causes the items inside the refrigerator drawer to fail to cool properly and wastes energy, causing inconvenience to users. At the same time, it is not stable enough during use, and it is easy for the drawer to tilt, slide out and fall when pulled out.

[0006] This utility model is implemented as follows: an automatic return structure for a refrigerator drawer includes: a refrigerator body, a storage cavity at the front end of the refrigerator body, and a sealing door installed at the front end of the refrigerator body; a plurality of storage components are arranged inside the storage cavity; each of the plurality of storage components includes a drawer body disposed inside the storage cavity; sliding grooves are respectively opened on both sides of the storage cavity; a return rod is slidably connected inside the two sliding grooves; an installation groove is respectively opened in the middle of the rear end of the two return rods; a first spring is fixedly connected between the interior of the two installation grooves and the inner wall of the rear end of the sliding groove.

[0007] Preferably, each of the storage components further includes a fixing rod that is fixedly connected to the side of the two return rods that are close to each other, and the side of the two fixing rods that are close to each other is provided with a U-shaped groove; the two sides of the drawer body are fixedly connected to connecting rods, and the sides of the two connecting rods that are far from each other are fixedly connected to insert blocks; the two insert blocks are respectively inserted into the two U-shaped grooves.

[0008] Preferably, each of the storage components further includes a positioning groove formed in the middle of the upper ends of the two inserts, a pull plate provided in the middle of the upper ends of the two fixing rods, a limit rod fixedly connected to the lower ends of the two pull plates, and an insertion hole formed in the middle of the upper ends of the two fixing rods, the two insertion holes communicating with the two U-shaped grooves respectively.

[0009] Preferably, the extended ends of the two limiting rods are inserted into the two U-shaped grooves and the two positioning grooves through the two insertion holes, respectively.

[0010] Preferably, each of the storage components further includes a guide spring sleeved on the two limiting rods, one side of each of the two guide springs being fixedly connected to the two pull plates, and the other side of each of the two guide springs being fixedly connected to the upper end of the two fixing rods.

[0011] Preferably, the drawer includes a buffer assembly disposed at the rear end of the drawer body. The buffer assembly includes a connecting plate disposed at the rear end of the drawer body. Slots are respectively provided on both sides of the rear end of the drawer body. Sealing gaskets are fixedly connected inside the two slots. Insert pins are fixedly connected to both ends of the connecting plate near the two slots. The two insert pins are tightly inserted into the two slots respectively.

[0012] Preferably, the buffer assembly further includes a fixed cover fixedly connected to the rear end of the connecting plate, the rear end of the fixed cover having a groove, a movable plate being slidably fitted in the groove, and a rubber plate being fixedly connected to the rear end of the movable plate.

[0013] Preferably, the buffer assembly further includes guide grooves formed on both sides of the groove, guide blocks are fixedly connected to both ends of the movable plate near the groove, the two guide blocks are slidably connected to the two guide grooves respectively, and a plurality of dampers are installed between the movable plate and the bottom of the groove, and buffer springs are sleeved on the plurality of dampers.

[0014] Compared with the prior art, the embodiments of this application have the following main advantages:

[0015] By setting a storage component, a first spring is provided in the storage component. One side of the first spring is connected to the inner wall of the mounting groove opened on the return rod, and the other side is connected to the slide groove, so that the drawer body can be automatically returned to its original position after being pulled out. By setting a buffer component, it is easy to buffer during automatic return. By setting a plug and a U-shaped groove to be inserted and fixed by a limit rod, it is easy to fix the drawer body and also easy to disassemble to prevent it from sliding out and falling. Attached Figure Description

[0016] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0017] Figure 2 This is a front view structural diagram of the present invention;

[0018] Figure 3 This is a utility model Figure 2 Enlarged structural diagram at point A in the middle;

[0019] Figure 4 This is a top view cross-sectional structural diagram of the present invention;

[0020] Figure 5 This is a utility model Figure 4 Enlarged structural diagram at point B;

[0021] Figure 6 This is a top view cross-sectional structural diagram of the buffer component of this utility model;

[0022] In the diagram: 1. Refrigerator body; 2. Storage cavity; 3. Storage assembly; 4. Drawer body; 5. Slide rail; 6. Return rod; 7. Mounting groove; 8. First spring; 9. Fixing rod; 10. U-shaped groove; 11. Connecting rod; 12. Insert block; 13. Positioning groove; 14. Through hole; 15. Pull plate; 16. Limiting rod; 17. Guide spring; 18. Connecting plate; 19. Insert post; 20. Slot; 21. Fixing cover; 22. Groove; 23. Movable plate; 24. Rubber plate; 25. Guide groove; 26. Guide block; 27. Damper; 28. Buffer spring. Detailed Implementation

[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used herein in the specification of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having," and any variations thereof, in the specification, claims, and foregoing drawings of this application are intended to cover non-exclusive inclusion. The terms "first," "second," etc., in the specification, claims, or foregoing drawings of this application are used to distinguish different objects, not to describe a particular order.

[0024] In this document, the term "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0025] This utility model embodiment provides an automatic return structure for a refrigerator drawer, such as... Figure 1-6 As shown, it includes: a refrigerator body 1, a storage cavity 2 at the front end of the refrigerator body 1, and a sealed door installed at the front end of the refrigerator body 1; several storage components 3 are arranged inside the storage cavity 2; each of the several storage components 3 includes a drawer body 4 arranged inside the storage cavity 2; sliding grooves 5 are respectively opened on both sides of the storage cavity 2; return rods 6 are slidably connected inside the two sliding grooves 5; mounting grooves 7 are respectively opened in the middle of the rear ends of the two return rods 6; a first spring 8 is fixedly connected between the interior of the two mounting grooves 7 and the inner wall of the rear end of the sliding groove 5.

[0026] It should be noted that in many existing refrigerator drawers, when users pull them out of the refrigerator to retrieve items, they may forget to push the drawer back in due to mistake, or they may only give it a slight push and fail to close the drawer to its initial position inside the refrigerator. This causes the items inside the drawer to malfunction in terms of cooling and wastes energy, causing inconvenience to users. In addition, the drawer is not stable enough during use, and it is easy for it to tilt and slide out when pulled out. This solution sets up a storage component 3, which contains a first spring 8. One side of the first spring 8 is connected to the inner wall of the mounting groove 7 opened on the return rod 6, and the other side is connected to the slide groove 5, so that the drawer body 4 can automatically return to its original position after being pulled out and released. A buffer component is set up to cushion the automatic return. The insert block 12 is inserted into the U-shaped groove 10 and fixed by the limit rod 16, which makes it easy to fix the drawer body 4 and also easy to disassemble, preventing it from sliding out and falling.

[0027] In a further preferred embodiment of this utility model, such as Figure 1-3 As shown, each of the storage components 3 also includes a fixing rod 9 that is fixedly connected to the two return rods 6 on the side close to each other. The two fixing rods 9 are respectively provided with U-shaped grooves 10 on the side close to each other. The two sides of the drawer body 4 are respectively fixedly connected with connecting rods 11, and the two connecting rods 11 are respectively fixedly connected with inserts 12 on the side away from each other. The two inserts 12 are respectively inserted into the two U-shaped grooves 10.

[0028] In this embodiment, it is convenient to locate the connection.

[0029] In a further preferred embodiment of this utility model, such as Figure 1-3 As shown, each of the storage components 3 also includes a positioning groove 13 opened in the middle of the upper end of the two insert blocks 12, a pull plate 15 is provided in the middle of the upper end of the two fixing rods 9, the lower ends of the two pull plates 15 are respectively fixedly connected to limit rods 16, and the upper ends of the two fixing rods 9 are respectively provided with through holes 14, and the two through holes 14 are respectively connected to the two U-shaped grooves 10.

[0030] In this embodiment, it is convenient for subsequent fixation.

[0031] In a further preferred embodiment of this utility model, such as Figure 1-3 As shown, the extended ends of the two limiting rods 16 are inserted into the two U-shaped grooves 10 and the two positioning grooves 13 through the two insertion holes 14 respectively.

[0032] In this embodiment, it is easy to fix, making the drawer body 4 more stable to install.

[0033] In a further preferred embodiment of this utility model, such as Figure 1-3 As shown, each of the storage components 3 also includes a guide spring 17 sleeved on two limit rods 16. One side of the two guide springs 17 is fixedly connected to two pull plates 15 respectively, and the other side of the two guide springs 17 is fixedly connected to the upper end of two fixing rods 9 respectively.

[0034] In this embodiment, by installing a guide spring 17, it is convenient for the guide spring 17 to be used to limit the rod 16 and the positioning groove 13 after the pull plate 15 is released.

[0035] In a further preferred embodiment of this utility model, such as Figure 1-4 As shown, it includes a buffer assembly disposed at the rear end of the drawer body 4. The buffer assembly includes a connecting plate 18 disposed at the rear end of the drawer body 4. Slots 20 are respectively opened on both sides of the rear end of the drawer body 4. Sealing gaskets are fixedly connected inside the two slots 20. Insert pins 19 are fixedly connected to both ends of the connecting plate 18 near the two slots 20. The two insert pins 19 are tightly inserted into the two slots 20 respectively.

[0036] In this embodiment, it is convenient to install the buffer component.

[0037] In a further preferred embodiment of this utility model, such as Figure 1-6 As shown, the buffer assembly also includes a fixed cover 21 that is fixedly connected to the rear end of the connecting plate 18. The rear end of the fixed cover 21 has a groove 22, in which a movable plate 23 is slidably sleeved. The rear end of the movable plate 23 is fixedly connected to a rubber plate 24.

[0038] In this embodiment, connection is facilitated.

[0039] In a further preferred embodiment of this utility model, such as Figure 1-6 As shown, the buffer assembly also includes guide grooves 25 formed on both sides of the groove 22. Guide blocks 26 are fixedly connected to both ends of the movable plate 23 near the groove 22. The two guide blocks 26 are slidably connected to the two guide grooves 25 respectively. Several dampers 27 are installed between the movable plate 23 and the bottom of the groove 22, and buffer springs 28 are fitted onto each damper 27.

[0040] In this embodiment, it is convenient to buffer the drawer body 4 when the first spring 8 drives the drawer body 4 to return to its original position.

[0041] All electrical components mentioned in this article are electrically connected to the controller and power supply. The control method of this utility model is controlled by the controller. The control circuit of the controller can be implemented by simple programming by those skilled in the art. The power supply is also common knowledge in the art. Furthermore, this utility model is mainly used to protect mechanical devices, so the control method and circuit connection will not be explained in detail.

[0042] It should be noted that, for the sake of simplicity, the foregoing embodiments are all described as a series of actions. However, those skilled in the art should understand that the present invention is not limited to the described order of actions, as some steps may be performed in other orders or simultaneously according to the present invention. Furthermore, those skilled in the art should also understand that the embodiments described in the specification are preferred embodiments, and the actions and modules involved are not necessarily essential to the present invention.

[0043] It should be understood that the disclosed apparatus can be implemented in other ways, given the several embodiments provided in this application. For example, the apparatus embodiments described above are merely illustrative. For instance, the division of units described above may be implemented in other ways in practice. For example, multiple units or components may be combined or integrated into another system, or some features may be ignored or not executed. Furthermore, the coupling or communication connections shown or discussed may be through some interfaces; indirect coupling or communication connections between devices or units may be telecommunications or other forms.

[0044] The units described above as separate components may or may not be physically separate. The components shown as units may or may not be physical units; that is, they may be located in one place or distributed across multiple network units. Some or all of the units can be selected to achieve the purpose of this embodiment according to actual needs.

[0045] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit the scope of protection of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on these embodiments, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model. Although this utility model has been described in detail with reference to the above embodiments, those skilled in the art can still combine, add, delete, or otherwise adjust the features of the various embodiments of this utility model according to the circumstances without conflict or creative effort, thereby obtaining different technical solutions that do not fundamentally depart from the concept of this utility model. These technical solutions are also within the scope of protection of this utility model.

Claims

1. An automatic return structure of a refrigerator drawer, characterized by, include: The refrigerator body (1) has a storage cavity (2) at its front end and a sealing door installed at its front end. The storage cavity (2) is provided with several storage components (3); Each of the aforementioned storage components (3) includes a drawer body (4) disposed inside the storage cavity (2), and a slide groove (5) is provided on both sides of the storage cavity (2), and a return rod (6) is slidably connected inside the two slide grooves (5). The two return rods (6) are respectively provided with mounting grooves (7) in the middle of their rear ends, and a first spring (8) is fixedly connected between the interior of the two mounting grooves (7) and the inner wall of the rear end of the slide groove (5). Each of the aforementioned storage components (3) also includes a fixing rod (9) that is fixedly connected to one side of the two return rods (6) respectively, and the two fixing rods (9) are respectively provided with a U-shaped groove (10) on one side of the two return rods (6). The two sides of the drawer body (4) are respectively fixedly connected to connecting rods (11), and the two connecting rods (11) are respectively fixedly connected to insert blocks (12) on the side away from each other. The two plugs (12) are respectively plugged into the two U-shaped slots (10).

2. The automatic return structure of a refrigerator drawer according to claim 1, wherein Each of the aforementioned storage components (3) also includes a positioning groove (13) formed in the middle of the upper end of the two inserts (12), a pull plate (15) is provided in the middle of the upper end of the two fixing rods (9), a limit rod (16) is fixedly connected to the lower end of the two pull plates (15), and an insertion hole (14) is provided in the middle of the upper end of the two fixing rods (9), and the two insertion holes (14) are respectively connected to the two U-shaped grooves (10).

3. The automatic return structure of a refrigerator drawer according to claim 2, wherein The extended ends of the two limiting rods (16) are inserted into the two U-shaped grooves (10) and the two positioning grooves (13) through the two insertion holes (14) respectively.

4. The automatic return structure of a refrigerator drawer according to claim 3, wherein Each of the storage components (3) also includes a guide spring (17) sleeved on the two limiting rods (16). One side of the two guide springs (17) is fixedly connected to the two pull plates (15) respectively, and the other side of the two guide springs (17) is fixedly connected to the upper end of the two fixing rods (9) respectively.

5. The automatic return structure of a refrigerator drawer according to claim 1, wherein The system includes a buffer assembly located at the rear end of the drawer body (4). The buffer assembly includes a connecting plate (18) located at the rear end of the drawer body (4). Slots (20) are respectively provided on both sides of the rear end of the drawer body (4). Sealing gaskets are fixedly connected inside the two slots (20). Inserts (19) are fixedly connected to both ends of the connecting plate (18) near the two slots (20). The two inserts (19) are tightly inserted into the two slots (20) respectively.

6. The automatic return structure of a refrigerator drawer according to claim 5, wherein The buffer assembly also includes a fixed cover (21) that is fixedly connected to the rear end of the connecting plate (18). The rear end of the fixed cover (21) has a groove (22), in which a movable plate (23) is slidably sleeved. The rear end of the movable plate (23) is fixedly connected to a rubber plate (24).

7. The automatic return structure of a refrigerator drawer according to claim 6, wherein The buffer assembly also includes guide grooves (25) formed on both sides of the groove (22). Guide blocks (26) are fixedly connected to both ends of the movable plate (23) near the groove (22). The two guide blocks (26) are slidably connected to the two guide grooves (25). Several dampers (27) are installed between the movable plate (23) and the bottom of the groove (22). Buffer springs (28) are sleeved on each of the dampers (27).