Cabinet door hinge

By improving the cabinet door hinge structure, the pin is hidden inside the middle and side blocks, enabling 360-degree rotation. This solves the problems of the pin easily falling out and high material consumption, while improving aesthetics and ease of installation.

CN223805973UActive Publication Date: 2026-01-16ZHEJIANG LANGYUE ELECTRIC CO LTD
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Patent Information

Application Number
CN202520381745.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-06
Publication Date
2026-01-16
Estimated Expiration
2035-03-06

AI Technical Summary

Technical Problem

The pins of existing cabinet door hinges are prone to falling out from the installation side, which affects the aesthetics, consumes a lot of materials, has a limited rotation angle, and is inconvenient to install.

Method used

It adopts a split structure of middle block and side block, with the pin penetrating through the through hole and fixed by the rectangular block and rectangular blind hole. The pin is hidden inside, and the side block can rotate 360 ​​degrees. The split structure and washers reduce friction.

Benefits of technology

This solves the problem of exposed pins, improves aesthetics, reduces material costs, and achieves greater installation flexibility and convenience.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223805973U_ABST
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Abstract

The utility model discloses a cabinet door hinge which comprises a middle block, a pin shaft and side blocks arranged on the two sides of the middle block respectively, through holes are formed in the two sides of the middle block in a penetrating mode, a lead screw is connected to one end of the middle block in a threaded mode, rectangular blocks are arranged at the two ends of the pin shaft, gaskets are arranged at the two ends of the pin shaft in a sleeved mode respectively, and shaft grooves are formed in the sides, close to the middle block, of the side blocks. Rectangular blind holes matched with the rectangular blocks are formed in the inner wall of the shaft groove, the pin shaft penetrates through the through hole, and the two rectangular blocks are embedded into the two rectangular blind holes correspondingly and used for fixedly connecting the two edge blocks and the pin shaft. According to the utility model, the pin shaft is arranged in the middle block and the side blocks, so that the pin shaft cannot be exposed outside, the problem that the pin shaft of the existing cabinet door hinge is easy to fall out from the loading side is solved, and the overall aesthetic degree of the cabinet door hinge is improved at the same time; meanwhile, the manufacturing cost is reduced, 360-degree rotation can be achieved, the installation flexibility is higher, and installation is more convenient.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of cabinet door hinge, specifically relates to a cabinet door hinge. BACKGROUND

[0002] The cabinet door hinge of the middle-placed cabinet is connected with the cabinet door and the cabinet body, so that the cabinet door can be smoothly opened and closed. It can ensure the stable opening and closing of the cabinet door, guarantee the normal use of the switch cabinet, and also affect the sealing and safety of the cabinet door to a certain extent.

[0003] As Figure 1 The cabinet door hinge includes an intermediate block, a pin shaft, and side blocks arranged on both sides of the intermediate block. A baffle is arranged between the two side blocks to form an integrated structure. During assembly, the pin shaft is inserted from one side of a side block and penetrates the intermediate block, thereby realizing the rotational connection between the intermediate block and the side blocks. However, this structure exposes one end of the pin shaft from the side block, which is prone to falling out of the side block during long-term use and affects the aesthetics of the cabinet door hinge. Moreover, the baffle arranged between the two side blocks results in high material consumption and high manufacturing cost, and the maximum rotation angle is only about 270 degrees, which cannot realize multi-angle installation in front and back, leading to inconvenient use.

[0004] Therefore, the applicant has made beneficial designs and found a method to solve the above problems. The technical solutions to be introduced below are generated in this background. CONTENT OF THE UTILITY MODEL

[0005] The utility model provides a cabinet door hinge to solve the problems raised in the background.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions:

[0007] A cabinet door hinge includes an intermediate block, a pin shaft, and side blocks arranged on both sides of the intermediate block. Through holes are arranged on both sides of the intermediate block. A screw rod is screwed to one end of the intermediate block. Rectangular blocks are arranged at both ends of the pin shaft. A gasket is arranged at each end of the pin shaft. An axle slot is formed on one side of each side block close to the intermediate block. A rectangular blind hole is formed in the inner wall of the axle slot to match the rectangular block. The pin shaft penetrates the through hole, and the two rectangular blocks are embedded in the two rectangular blind holes, respectively, to fixedly connect the two side blocks and the pin shaft.

[0008] Preferably, the pin shaft is in a cylindrical structure.

[0009] Preferably, the gasket is arranged between the intermediate block and the side blocks.

[0010] Preferably, the hexagonal blind hole is arranged at one end of the lead screw away from the middle block.

[0011] Preferably, the side block is provided with a mounting hole adjacent to the rectangular blind hole.

[0012] Advantages

[0013] The cabinet door hinge provided by the embodiment of the utility model has one or more of the above technical solutions and at least one of the following technical effects:

[0014] The utility model discloses a technical scheme, through the pin shaft is installed in the inside of middle block and side block, pin shaft does not expose outside, not only has solved the problem that the pin shaft of existing cabinet door hinge is easy to drop from the side of loading, and has improved the overall aesthetic degree of cabinet door hinge, simultaneously, because two side blocks are the split structure, not only make convenient installation, and reduce the consumable, reduce the manufacturing cost, and the middle block and side block can realize 360 degrees rotation, make can carry out upside -down installation, make installation flexibility higher, and installation is more convenient. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the schematic diagram of prior art cabinet door hinge structure;

[0016] Figure 2 It is the schematic diagram of three-dimensional structure of the utility model;

[0017] Figure 3 It is the schematic diagram of explosion structure of the utility model;

[0018] Figure 4 It is the schematic diagram of section structure of the utility model.

[0019] The corresponding relationship between the annotations of the drawings and the component names in the drawings is as follows:

[0020] 1, middle block;2, pin shaft;3, side block;4, through hole;5, lead screw;6, rectangular block;7, washer;8, shaft slot;9, rectangular blind hole;10, hexagonal blind hole;11, mounting hole;12, baffle. DETAILED DESCRIPTION

[0021] The technical solutions of the utility model will be described clearly and completely in combination with the embodiments, and obviously, the described embodiments are part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0022] In the description of the utility model, it needs to be understood that the orientation or position relation indicated by the terms such as ''up'', ''down'', ''left'', ''right'' in the utility model is the orientation or position relation based on the drawing shown, and is only for the convenience of describing the utility model and simplifying the description, and is not indicative or suggestive of the device or element indicated having a specific orientation, being constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model.

[0023] In the description of the utility model, it also needs to be explained that, unless otherwise explicitly specified and limited, the terms ''setting'', ''mounting'', ''connection'', ''connecting'' should be understood broadly, for example, can be fixed connection, can also be detachable connection, or integrally connected, can be mechanical connection, can also be electrical connection, can be directly connected, can also be indirectly connected through an intermediate medium, and can be the communication inside two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0024] In order to avoid too many unnecessary details, the structure or function belonging to the known will not be described in detail in the following examples.

[0025] As Figures 1-4 As shown in the structure schematic view of a cabinet door hinge of a preferred embodiment of the utility model,

[0026] In the embodiment, the intermediate block 1, the pin shaft 2 and the edge block 3 arranged on the two sides of the intermediate block 1 are included, the intermediate block 1 and the edge block 3 are integrally casted from zinc-iron alloy, the overall strength is stronger, the two edge blocks 3 are of the same structure, the through holes 4 are arranged on the two sides of the intermediate block 1, the through holes 4 are circular holes, the one end of the intermediate block 1 is screwed with the lead screw 5, the intermediate block 1 is connected with the cabinet body of the switch cabinet through the lead screw 5, the two ends of the pin shaft 2 are provided with the rectangular blocks 6, the two ends of the pin shaft 2 are respectively sleeved with the washers 7, the washers 7 are made of plastic material, the side of the edge block 3 close to the intermediate block 1 is provided with the shaft groove 8, the shaft groove 8 is a circular sink groove, the inner wall of the shaft groove 8 is provided with the rectangular blind hole 9 matched with the rectangular block 6, the pin shaft 2 penetrates through the through hole 4, the two rectangular blocks 6 are respectively embedded in the two rectangular blind holes 9, and the two edge blocks 3 and the pin shaft 2 are fixedly connected. The rectangular block 6 and the rectangular blind hole 9 are matched, the edge block 3 and the pin shaft 2 are fixed, and the coaxial rotation of the two edge blocks 3 is realized. The pin shaft 2 is installed in the interior of the intermediate block 1 and the edge block 3, so that the pin shaft 2 is not exposed, not only solves the problem that the pin shaft 1 of the existing cabinet door hinge is easy to fall out from the installed side, but also improves the overall appearance of the cabinet door hinge. At the same time, since the two edge blocks 3 are of a split structure, not only is the installation convenient, but also the consumption of materials is reduced, the manufacturing cost is reduced, the intermediate block 1 and the edge block 3 can realize 360-degree rotation, so that the installation can be upside down, the installation flexibility is higher, and the installation is more convenient.

[0027] In the embodiment, the pin shaft 2 is a cylindrical structure. The structure functions as a rotating shaft to achieve the rotating connection between the middle block 1 and the side block 3.

[0028] In the embodiment, the gasket 7 is arranged between the middle block 1 and the side block 3. The gasket 7 reduces the friction between the middle block 1 and the side block 3.

[0029] In the embodiment, the hexagonal blind hole 10 is arranged at the end of the lead screw 5 away from the middle block 1. The hexagonal blind hole 10 is inserted by a hexagonal wrench, and the lead screw 5 is screwed into the middle block 1.

[0030] In the embodiment, the side block 3 is provided with the mounting hole 11 on the side adjacent to the rectangular blind hole 9. The side block 3 is connected to the cabinet door of the switch cabinet through the mounting hole 11.

[0031] The cabinet door hinge of the utility model is installed, connected or arranged in a common mechanical manner, and can be implemented as long as the beneficial effects are achieved.

[0032] The technologies not described in detail in the utility model are known technologies, and the skilled person in the art can easily implement the utility model based on the understanding of the specification, and the contents shown in the drawings are part of the specification.

[0033] The above content is a further detailed description of the utility model in combination with the specific embodiments, and cannot be considered as limiting the specific implementation of the utility model to these descriptions. For ordinary skilled person in the art to which the utility model belongs, some simple deductions or substitutions can be made without departing from the concept of the utility model, and all of them should be considered as belonging to the protection scope determined by the claims of the utility model.

Claims

1. A cabinet door hinge, characterized by: The utility model relates to a kind of fixed connection structure of two edge blocks, including intermediate block (1), pin shaft (2) and the edge block (3) being respectively arranged in the two sides of the intermediate block (1), the two sides of the intermediate block (1) are provided with through hole (4), one end of the intermediate block (1) is screwed with screw rod (5), the two ends of the pin shaft (2) are equipped with rectangular block (6), the two ends of the pin shaft (2) are respectively equipped with washer (7), the side of the edge block (3) close to the intermediate block (1) is all set with shaft slot (8), the inner wall of the shaft slot (8) is set with the rectangular blind hole (9) of cooperation rectangular block (6), the pin shaft (2) passes through the through hole (4), two rectangular block (6) are respectively embedded in two rectangular blind hole (9), for the fixed connection between two edge block (3) and pin shaft (2).

2. A cabinet door hinge according to claim 1, wherein: The pin shaft (2) is a cylindrical structure.

3. A cabinet door hinge according to claim 1, wherein: The washer (7) is arranged between the intermediate block (1) and the edge block (3).

4. A cabinet door hinge according to claim 1, wherein: The hexagonal blind hole (10) is formed in the end of the screw rod (5) away from the intermediate block (1).

5. A cabinet door hinge according to claim 1, wherein: The side of the edge block (3) adjacent to the rectangular blind hole (9) is provided with a mounting hole (11).