CN220769939U

CN220769939U - Damping hinge

Info

Publication number: CN220769939U
Application number: CN202322365490.2U
Authority: CN
Inventors: 詹一谋
Original assignee: Dongguan Yimou Hardware Co ltd
Current assignee: Dongguan Yimou Hardware Co ltd
Priority date: 2023-08-31
Filing date: 2023-08-31
Publication date: 2024-04-12
Anticipated expiration: 2033-08-31

Abstract

The utility model relates to the field of damping hinge design, in particular to a damping hinge. A damping hinge, comprising a fixed hinge, a movable hinge, a connecting component connected with the movable hinge and the movable hinge so as to enable the movable hinge to rotate relative to the fixed hinge; the fixed hinge is provided with a polygonal limiting hole; the movable hinge is provided with a first round hole; the connecting assembly comprises a connecting shaft and a polygonal limiting block corresponding to the polygonal limiting hole; one end of the connecting shaft penetrates through the first round hole and the polygonal limiting hole; the polygonal limiting block is arranged in the polygonal limiting block and connected with the connecting shaft. According to the damping hinge, the polygonal limiting holes and the polygonal limiting blocks are arranged, so that the connecting shaft can rotate without following the rotation of the hinge, the damping hinge is compact in structure, and the working stability of the damping hinge is improved.

Description

Damping hinge

Technical Field

The utility model relates to the field of damping hinge design, in particular to a damping hinge.

Background

A hinge is a mechanical device that connects two solids and allows relative rotation between the two. The hinge may be formed of a movable component or of a foldable material.

The prior art damping hinge, such as the schematic diagrams of the damping hinge in the prior art shown in fig. 1 and fig. 2, wherein the first hinge plate a and the second hinge plate B are connected through the circular shaft C, so that the first hinge plate a and the second hinge plate B are rotationally connected, but in actual use, the circular shaft C is easy to rotate along with the rotation of the first hinge plate a, so that the compact structure is reduced, the service life of the structure is reduced, and the use experience of a user is affected.

For this reason, a technical means is needed to solve the above-mentioned drawbacks.

Disclosure of Invention

The utility model adopts the following technical scheme:

a damping hinge, comprising a fixed hinge, a movable hinge, a connecting component connected with the movable hinge and the movable hinge so as to enable the movable hinge to rotate relative to the fixed hinge; the fixed hinge is provided with a polygonal limiting hole; the movable hinge is provided with a first round hole; the connecting assembly comprises a connecting shaft and a polygonal limiting block corresponding to the polygonal limiting hole; one end of the connecting shaft penetrates through the first round hole and the polygonal limiting hole; the polygonal limiting block is arranged in the polygonal limiting block and connected with the connecting shaft.

Preferably, the polygonal limiting hole is a hexagonal limiting hole; the polygonal limiting block is a hexagonal limiting block.

Preferably, the fixed hinge is also provided with a second round hole communicated with the polygonal limiting hole; one end of the connecting shaft penetrates through the second round hole; a first limit plane is arranged in the second round hole; and one end of the connecting shaft positioned in the second round hole corresponds to the first limiting plane, and a second limiting plane is formed.

Preferably, the fixed hinge comprises a fixed plate and first support plates arranged at two ends of the fixed plate; the movable hinge comprises a connecting plate and second support plates arranged at two ends of the connecting plate; the connecting plate is arranged between the two first support plates; the first round hole is formed in the second support plate; the polygonal limiting holes are formed in the second support plate.

Preferably, the connecting assembly further comprises a fastening ring and a limit nut; the fastening ring is sleeved on the connecting shaft; and the limit nut is arranged at one end of the connecting shaft, which is far away from the second support plate.

Preferably, the fastening ring is provided in plurality.

Preferably, the fixing plate and the connecting plate are provided with mounting holes for connecting with an external mechanism.

According to the damping hinge, the polygonal limiting holes and the polygonal limiting blocks are arranged, so that the connecting shaft can rotate without following the rotation of the hinge, the damping hinge is compact in structure, and the working stability of the damping hinge is improved.

Drawings

FIG. 1 is a schematic view of a prior art damped hinge;

FIG. 2 is a schematic cross-sectional view of FIG. 1;

FIG. 3 is an overall schematic of a damped hinge of the present utility model;

FIG. 4 is an exploded view of a damped hinge of the present utility model;

FIG. 5 is an overall schematic of a stationary hinge in a damped hinge according to the present utility model;

FIG. 6 is an overall schematic of a damped hinge of the present utility model;

fig. 7 is an overall schematic view of a connecting shaft in a damped hinge according to the present utility model.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 2 to 7, a damping hinge includes a fixed hinge 10, a movable hinge 20, a connection assembly 30 connected to the movable hinge 20 and the movable hinge 20 to rotate the movable hinge 20 relative to the fixed hinge 10; the fixed hinge 10 is provided with a polygonal limiting hole 101; the movable hinge 20 is provided with a first round hole 201; the connecting assembly 30 comprises a connecting shaft 301 and a polygonal limiting block 302 corresponding to the polygonal limiting hole 101; one end of the connecting shaft 301 passes through the first circular hole 201 and the polygonal limiting hole 101; the polygonal stopper 302 is installed in the polygonal stopper 302 and connected to the connection shaft 301. Normally, the fixed hinge 10 is kept fixed under the action of an external fixing structure, and when the movable hinge 20 rotates relative to the fixed hinge 10 under the action of external force, the connecting shaft 301 can not rotate along with the rotation of the movable hinge 20 due to the arrangement of the polygonal limiting hole 101 and the polygonal limiting block 302, so that the damping hinge is compact in structure, and the working stability of the damping hinge is improved.

In one particular embodiment, the polygonal limiting aperture 101 is a hexagonal limiting aperture; the polygonal stopper 302 is a hexagonal stopper. Through the setting of the spacing hole of hexagon and hexagon stopper, the effectual stability that improves connecting axle 301 work for connecting axle 301 can keep stable when fixed hinge 10 takes place to rotate. Further, the hexagonal limiting block is a hexagonal nut, and one end of the connecting shaft 301 is installed in the hexagonal nut.

In a specific embodiment, the fixed hinge 10 is further provided with a second round hole 102 communicated with the polygonal limiting hole 101; one end of the connecting shaft 301 passes through the second circular hole 102; a first limit plane 103 is arranged in the second round hole 102; one end of the connecting shaft 301 located in the second round hole 102 is provided with a second limiting plane 303 corresponding to the first limiting plane 103. Specifically, in the assembled state, the first limiting plane 103 abuts against the second limiting plane 303, so that stability of the connecting shaft 301 is further improved, and the connecting shaft 301 can be kept stable when the movable hinge 20 rotates. Further, during assembly, one end of the connecting shaft 301 sequentially passes through the first round hole 201, the second round hole 102 and the polygonal limiting hole 101;

in a specific embodiment, the fixed hinge 10 includes a fixed plate 104 and first support plates 105 mounted at two ends of the fixed plate 104; the movable hinge 20 comprises a connecting plate 202 and second support plates 203 arranged at two ends of the connecting plate 202; the connecting plate 202 is arranged between the two first support plates 105; the first round hole 201 is arranged on the second support plate 203; the polygonal limiting hole 101 is arranged on the second support plate 203. In operation, the connecting shaft 301 in the connecting assembly 30 sequentially passes through the first circular hole 201 and the polygonal limiting hole 101, so as to rotationally connect the first support plate 105 and the second support plate 203, and further drive the connecting plate 202 to rotate.

In a specific embodiment, the second round hole 102 is formed on one side of the two first support plates 105, which are close to each other, and when assembled, one end of the connecting shaft 301 sequentially passes through the first round hole 201 and the second round hole 102, and is located in the polygonal limiting hole 101.

In one particular embodiment, the connection assembly 30 further includes a fastening ring 304 and a stop nut 305; the fastening ring 304 is sleeved on the connecting shaft 301; the limit nut 305 is mounted on the end of the connecting shaft 301 away from the second support plate 203. Further, the fastening ring 304 is provided in plurality. Further, the fixing plate 104 and the connecting plate 202 are provided with mounting holes 40 for connection to an external mechanism.

According to the damping hinge, the polygonal limiting holes 101 and the polygonal limiting blocks 302 are arranged, so that the connecting shaft 301 can rotate without following the rotation of the hinge 20, the damping hinge is compact in structure, and the working stability of the damping hinge is improved.

The foregoing examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. A damping hinge, comprising a fixed hinge, a movable hinge, a connecting component connected with the movable hinge and the movable hinge so as to enable the movable hinge to rotate relative to the fixed hinge; the method is characterized in that: the fixed hinge is provided with a polygonal limiting hole; the movable hinge is provided with a first round hole; the connecting assembly comprises a connecting shaft and a polygonal limiting block corresponding to the polygonal limiting hole; one end of the connecting shaft penetrates through the first round hole and the polygonal limiting hole; the polygonal limiting block is arranged in the polygonal limiting block and connected with the connecting shaft.

2. A damped hinge according to claim 1, wherein: the polygonal limiting holes are hexagonal limiting holes; the polygonal limiting block is a hexagonal limiting block.

3. A damped hinge according to claim 1, wherein; the fixed hinge is also provided with a second round hole communicated with the polygonal limiting hole; one end of the connecting shaft penetrates through the second round hole; a first limit plane is arranged in the second round hole; and one end of the connecting shaft positioned in the second round hole corresponds to the first limiting plane, and a second limiting plane is formed.

4. A damped hinge according to claim 1, wherein: the fixed hinge comprises a fixed plate and first support plates arranged at two ends of the fixed plate; the movable hinge comprises a connecting plate and second support plates arranged at two ends of the connecting plate; the connecting plate is arranged between the two first support plates; the first round hole is formed in the second support plate; the polygonal limiting holes are formed in the second support plate.

5. The damped hinge of claim 4, wherein: the connecting assembly further comprises a fastening ring and a limit nut; the fastening ring is sleeved on the connecting shaft; and the limit nut is arranged at one end of the connecting shaft, which is far away from the second support plate.

6. The damped hinge of claim 5, wherein: the fastening ring is provided with a plurality of fastening rings.

7. The damped hinge of claim 4, wherein: the fixing plate and the connecting plate are respectively provided with a mounting hole for connecting with an external mechanism.