Supporting mechanism for cabinet door

By using the rolling friction between the support bar and the limiting post, and the design of the telescopic rod spring, the complexity and safety issues of the cabinet door support design are solved, achieving the effects of simplified installation, reduced costs, and improved equipment reliability.

CN224200436UActive Publication Date: 2026-05-05SHANGHAI SHENRUI ELECTRICAL +4
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANGHAI SHENRUI ELECTRICAL
Filing Date
2025-05-28
Publication Date
2026-05-05

AI Technical Summary

Technical Problem

Existing cabinet door support designs are complex and costly to adjust in size, while traditional cylinder-driven solutions are cumbersome to operate, pose safety hazards, and fail to meet environmental protection requirements.

Method used

The system employs a rolling friction engagement between the support bar and the limiting post, and achieves rigid fixation by screwing in screws. Combined with the design of the telescopic rod and spring, radial clearance is eliminated, improving operational stability and vibration resistance.

Benefits of technology

It simplifies the installation process, reduces costs and resource consumption, improves safety and environmental friendliness, and enhances the reliability and lifespan of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of cabinet door supporting, and discloses a supporting mechanism for a cabinet door, which comprises machinery equipment, a fixing groove is arranged in the machinery equipment, a door is movably arranged in the fixing groove, and a fixing block is fixedly arranged at the bottom of the door. Compared with a traditional device, rigid fixation is achieved through cooperation of the supporting strips, the balls and the limiting columns and screwing-in of the screws; according to the design, rolling friction is adopted to replace a traditional sliding structure, in the design flexibility, the supporting strips can be matched with cabinet doors of different sizes, diversified design requirements are met, in the installation aspect, the product structure is simple, operation is convenient and fast, the installation difficulty and time cost are effectively reduced, safety and reliability are high, and safety accidents are not prone to occurring in the using process; and in the aspects of cost and environmental protection, material consumption is reduced through the simplified structural design, and resource waste in the production process is reduced.
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Description

Technical Field

[0001] This utility model relates to the field of cabinet door support technology, and more specifically, to a support mechanism for cabinet doors. Background Technology

[0002] With the rapid development of the new energy battery swapping industry, equipment specifications exhibit diverse size requirements due to varying application scenarios. This change necessitates modifications to numerous related materials when adjusting the dimensions of door support designs, significantly increasing the complexity and cost of design and production. Currently, various door support solutions exist on the market, with cylinder-driven door opening and closing being the most widely used. However, this solution has significant drawbacks: the installation and replacement of support components is cumbersome, requiring specialized tools and personnel, consuming substantial time and labor costs, and posing safety hazards during operation, making it difficult to guarantee safety. Simultaneously, with increasingly stringent environmental requirements, such solutions also face higher environmental standards in terms of material selection, energy consumption, and waste disposal, urgently requiring more efficient, safe, and environmentally friendly innovative solutions. Utility Model Content

[0003] In order to overcome the shortcomings of the prior art, this utility model provides a support mechanism for cabinet doors, which has the advantage of facilitating the support of cabinet doors.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a support mechanism for a cabinet door, comprising a machine device, wherein a fixing groove is provided inside the machine device, a door is movably installed inside the fixing groove, a fixing block is fixedly installed at the bottom of the door, a rotating shaft is movably installed inside the fixing block, a limiting post is fixedly installed on the inner side of the machine device, a support strip is movably installed on the outer surface of the rotating shaft, and one end of the support strip is engaged with the outer surface of the limiting post, a sliding groove is provided inside the support strip, and a ball bearing is movably installed inside the support strip.

[0005] As a preferred embodiment of this utility model, a telescopic rod is fixedly installed inside the machine, a buffer plate is fixedly installed on the top of the telescopic rod, and a spring is fixedly installed between the buffer plate and the machine.

[0006] As a preferred technical solution of this utility model, the balls are arranged in a linear array inside the support bar, and all the balls are made of stainless steel.

[0007] As a preferred technical solution of this utility model, threaded holes are provided inside both the fixing block and the door, and the threaded holes are four of the same size and shape.

[0008] As a preferred embodiment of this utility model, the telescopic rod and the spring are arranged in pairs, with two sets moving between the buffer plate and the machine equipment.

[0009] In a preferred embodiment of this invention, the distance between the limiting post and the bottom of the machine is greater than the distance between the support bar and the top of the machine, and the inner diameter of the slide groove is equal to the outer diameter of the limiting post.

[0010] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0011] 1. Compared with traditional devices, this utility model achieves rigid fixation by screwing in screws through the cooperation between the support bar, ball bearings, and limiting post. This design uses rolling friction instead of the traditional sliding structure, allowing for greater design flexibility. The support bar can be adapted to different sized cabinet doors, meeting diverse design needs. In terms of installation, the product structure is simple and easy to operate, effectively reducing installation difficulty and time costs. It also boasts high safety and reliability, minimizing the risk of accidents during use. Regarding cost and environmental protection, the streamlined structural design reduces material consumption and resource waste during production, aligning with environmental protection principles while effectively controlling costs. Furthermore, it has a wide range of applications, functioning stably in various scenarios. Its excellent reliability provides solid support for various applications, demonstrating superior overall performance.

[0012] 2. Compared with traditional devices, this invention, through the cooperation between the telescopic rod and the spring, effectively eliminates radial backlash in the closed state of the door component, significantly improving the smoothness of the mechanism's operation and its vibration resistance. The operation process of fixing the screws before pushing the transmission rod ensures the orderliness and stability of the assembly. The radial expansion of the elastic gasket driven by the deformation of the wedge block, combined with the interference fit of the limiting sleeve, forms a stable support structure, effectively eliminating radial backlash in the closed state of the component. This not only significantly improves the smoothness of the mechanism's operation, making it run more smoothly, but also enhances its vibration resistance, reduces vibration damage to the equipment, extends the equipment's service life, improves equipment reliability and work efficiency, and provides a solid guarantee for the stable operation of the equipment. Attached Figure Description

[0013] Figure 1 This is a frontal three-dimensional appearance structural diagram of the present utility model;

[0014] Figure 2 This utility model Figure 1 Enlarged structural diagram at point A in the middle;

[0015] Figure 3 This is a schematic diagram of the support strip structure of this utility model;

[0016] Figure 4 This utility model Figure 3Enlarged structural diagram at point B;

[0017] Figure 5 This is a schematic diagram of the cross-sectional structure of the support strip of this utility model;

[0018] Figure 6 This utility model Figure 5 Enlarged structural diagram at point C.

[0019] In the diagram: 1. Machinery and equipment; 2. Door; 3. Fixing groove; 4. Buffer plate; 5. Telescopic rod; 6. Spring; 7. Support bar; 8. Fixing block; 9. Threaded hole; 10. Rotating shaft; 11. Ball bearing; 12. Limiting post; 13. Slide groove. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] like Figures 1 to 6 As shown, this utility model provides a support mechanism for cabinet doors, including a machine device 1. The machine device 1 has a fixing groove 3 inside, and a door 2 is movably installed inside the fixing groove 3. A fixing block 8 is fixedly installed at the bottom of the door 2. A rotating shaft 10 is movably installed inside the fixing block 8. A limiting post 12 is fixedly installed on the inner side of the machine device 1. A support strip 7 is movably installed on the outer surface of the rotating shaft 10, and one end of the support strip 7 is engaged with the outer surface of the limiting post 12. A sliding groove 13 is opened inside the support strip 7, and a ball bearing 11 is movably installed inside the support strip 7.

[0022] The worker installs the support bar 7 on the threaded hole 9 and fixes the support bar 7 to the limiting post 12 with screws. When the machine equipment 1 is closed, the support bar 7 slides through the limiting post, and the internal ball bearings 11 of the support bar 7 roll on the limiting post 12. Then the door 2 automatically retracts. When it is opened, the support bar 7 is pulled up by the door 2 and slides through the internal ball bearings 11 and the slide groove 13. When one end of the support bar 7 is engaged with the outer surface of the limiting post 12, the screw is slowly screwed into the outer surface of the limiting post 12, thereby completing the opening and closing.

[0023] During assembly, the support bar 7 is fixed to the threaded hole 9 and secured to the limiting post 12 with screws. When the machine 1 is closed, the support bar 7 slides directionally along the limiting post, and the internal ball bearings 11 form rolling contact with the limiting post 12, allowing the door 2 to retract automatically. When the door is opened, the reverse force of the door pulls the support bar 7 up, and the ball bearings 11 and the slide groove 13 form a sliding pair. After the end of the support bar 7 is engaged with the outer edge of the limiting post 12, compared with the traditional device, this design achieves rigid fixation by screwing in screws through the cooperation between the support bar 7, the ball bearings 11, and the limiting post 12. This design uses rolling friction to replace the traditional sliding structure, which makes the support bar 7 adaptable to cabinet doors of different sizes, meeting diverse design needs. In terms of installation, the product has a simple structure, is easy to operate, effectively reduces installation difficulty and time costs, and has high safety and reliability, making it less likely to cause safety accidents during use. In terms of cost and environmental protection, the streamlined structural design reduces material consumption and resource waste in the production process, aligning with environmental protection principles while effectively controlling costs. In addition, it has a wide range of applications and can function stably in various scenarios. With its excellent reliability, it provides solid support for various applications and demonstrates good overall performance.

[0024] The machine equipment 1 is equipped with a telescopic rod 5, a buffer plate 4 is fixedly installed on the top of the telescopic rod 5, and a spring 6 is fixedly installed between the buffer plate 4 and the machine equipment 1.

[0025] The worker slowly unscrews the screw on the outer surface of the limit post 12, then holds the door 2 and pushes the support bar 7 through the door 2 to squeeze the buffer plate 4 inside the machine equipment 1. The buffer plate 4 then squeezes the telescopic rod 5, and the telescopic rod 5 squeezes the spring 6. The movement of the door 2 when it is closed is reduced by the movement of the telescopic rod 5 and the spring 6.

[0026] During assembly, the operator first slowly unscrews the fixing screws on the outer surface of the limiting post 12 component. Then, holding the door 2, the operator pushes the support bar 7 along the inner wall of the machine equipment 1 base by applying axial force, gradually transmitting pressure to deform the buffer plate 4, which in turn compresses the telescopic rod 5. Finally, the interference fit between the telescopic rod 5 and the spring 6 limiting sleeve forms a stable support structure. Compared with traditional devices, this device, through the cooperation between the telescopic rod 5 and the spring 6, effectively eliminates the radial backlash of the door 2 component in the closed state, significantly improving the smoothness of the mechanism's operation and its vibration resistance. The operation process of fixing the screws first and then pushing the transmission rod ensures the orderly and stable assembly. The radial expansion of the elastic pad driven by the deformation of the wedge block, forming a stable support structure with the interference fit of the limiting sleeve, effectively eliminates the radial backlash of the component in the closed state. This not only significantly improves the smoothness of the mechanism's operation, making it run more smoothly, but also enhances its vibration resistance, reduces vibration damage to the equipment, extends the equipment's service life, improves the equipment's reliability and working efficiency, and provides a solid guarantee for the stable operation of the equipment.

[0027] The ball bearings 11 are arranged in a linear array inside the support bar 7, and all the ball bearings 11 are made of stainless steel.

[0028] Since the balls 11 are arranged in a linear array on the support bar 7, and all balls 11 are made of stainless steel, the stainless steel balls 11 have good corrosion resistance, are easy to use for a long time, and improve the utilization efficiency of the support bar 7.

[0029] Both the fixing block 8 and the door 2 have threaded holes 9 inside, and the threaded holes 9 are four of the same size.

[0030] Since the threaded holes 9 are four identical shapes inside the fixing block 8 and the door 2, the stability of the support bar 7 is ensured during use by holding the bolt by hand and then slowly screwing the bolt into the threaded holes 9 with a tool.

[0031] Among them, the telescopic rod 5 and the spring 6 are in pairs, with two sets moving between the buffer plate 4 and the machine equipment 1.

[0032] Since the telescopic rod 5 and the spring 6 are in pairs, there are two sets that move between the buffer plate 4 and the machine equipment 1. Through the cooperation between the telescopic rod 5 and the spring 6, the buffer plate 4 can be provided with stable support, which ensures the stability of the buffer plate 4 during the sudden impact of the support bar 7.

[0033] Among them, the distance between the limiting post 12 and the bottom of the machine equipment 1 is greater than the distance between the support bar 7 and the top of the machine equipment 1, and the inner diameter of the slide groove 13 is equal to the outer diameter of the limiting post 12.

[0034] Since the distance between the limiting post 12 and the bottom of the machine equipment 1 is greater than the distance between the support bar 7 and the top of the machine equipment 1, it is convenient for the support bar 7 to move on the outer surface of the slide groove 13, ensuring the support efficiency of the support bar 7 in the door 2. In addition, the inner diameter of the slide groove 13 is equal to the outer diameter of the limiting post 12, ensuring the movement efficiency of the support bar 7 inside the slide groove 13.

[0035] Working principle and usage process of this utility model:

[0036] The staff installs the support bar 7 on the fixing block 8 and fixes the support bar 7 to the limiting post 12 with screws. When the machine equipment 1 is closed, the support bar 7 slides through the limiting post, and the internal ball bearings 11 of the support bar 7 roll in the limiting post 12. Then the door 2 automatically retracts. When it is opened, the support bar 7 is pulled up by the door and slides through the internal ball bearings 11 and the slide groove 13. When one end of the support bar 7 is engaged with the outer surface of the limiting post 12, the screw is slowly screwed into the outer surface of the limiting post 12, thereby completing the opening and closing.

[0037] The worker slowly unscrews the screw on the outer surface of the limit post 12, then holds the door 2 and pushes the support bar 7 through the door 2 to squeeze the buffer plate 4 inside the machine equipment 1. The buffer plate 4 then squeezes the telescopic rod 5, and the telescopic rod 5 squeezes the spring 6. The movement of the door 2 when it is closed is reduced by the movement of the telescopic rod 5 and the spring 6.

[0038] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0039] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A support mechanism for a cabinet door, comprising machinery (1), characterized in that: The machine (1) has a fixed groove (3) inside, and a door (2) is movably installed inside the fixed groove (3). A fixed block (8) is fixedly installed at the bottom of the door (2). A rotating shaft (10) is movably installed inside the fixed block (8). A limit post (12) is fixedly installed on the inner side of the machine (1). A support strip (7) is movably installed on the outer surface of the rotating shaft (10), and one end of the support strip (7) is engaged with the outer surface of the limit post (12). A sliding groove (13) is opened inside the support strip (7), and a ball bearing (11) is movably installed inside the support strip (7).

2. The support mechanism for a cabinet door according to claim 1, characterized in that: A telescopic rod (5) is fixedly installed inside the machine (1), a buffer plate (4) is fixedly installed on the top of the telescopic rod (5), and a spring (6) is fixedly installed between the buffer plate (4) and the machine (1).

3. A support mechanism for a cabinet door according to claim 1, characterized in that: The balls (11) are arranged in a linear array inside the support bar (7), and all balls (11) are made of stainless steel.

4. A support mechanism for a cabinet door according to claim 1, characterized in that: Both the fixing block (8) and the door (2) have threaded holes (9) inside, and the threaded holes (9) are four of the same size.

5. A support mechanism for a cabinet door according to claim 2, characterized in that: The telescopic rod (5) and spring (6) are arranged in pairs, with two sets moving between the buffer plate (4) and the machine equipment (1).

6. A support mechanism for a cabinet door according to claim 1, characterized in that: The distance between the limiting post (12) and the bottom of the machine (1) is greater than the distance between the support bar (7) and the top of the machine (1), and the inner diameter of the slide (13) is equal to the outer diameter of the limiting post (12).