CN219509458U

CN219509458U - Buffer door hinge

Info

Publication number: CN219509458U
Application number: CN202320510948.6U
Authority: CN
Inventors: 吴秋华
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-03-16
Filing date: 2023-03-16
Publication date: 2023-08-11
Anticipated expiration: 2033-03-16

Abstract

The utility model relates to a buffer door hinge which comprises a shell component, a first connecting rod, a second connecting rod, a hinge cup, a first rotating shaft, a second rotating shaft, a third rotating shaft, a fourth rotating shaft, a buffer structure, a second ball mounting sleeve, an elastic structure, a first ball and a first ball mounting sleeve, wherein the first ball is arranged on the shell component; the connecting rod has the advantages that the connecting rod cannot be worn or broken due to the reasonable design of the working principle and the mounting position of the elastic structure and the buffer structure, the stress direction of the buffer structure cannot deviate, the service life is long, the structure is compact, and the like.

Description

Buffer door hinge

Technical Field

The present utility model relates to a damper door hinge.

Background

At present, the door hinge comprises a shell component, a first connecting rod, a second connecting rod, a hinge cup, a buffer structure and an elastic structure; when the buffer structure is used, the first connecting rod is respectively propped against the buffer structure and the elastic structure, the first connecting rod is in hard contact when propped against the buffer structure, the first connecting rod is easy to wear or break, the stress direction of the buffer structure is easy to deviate, and the buffer structure is easy to damage.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provide the buffer door hinge which is free from abrasion of a connecting rod, free from deviation of the stress direction of a buffer structure, long in service life and compact in structure.

In order to achieve the above object, the present utility model provides a buffering door hinge, which is characterized by comprising:

the hinge comprises a shell component, a first connecting rod, a second connecting rod, a hinge cup, a first rotating shaft, a second rotating shaft, a third rotating shaft and a fourth rotating shaft; the left end part of the first connecting rod is rotationally connected with the shell component through a first rotating shaft, the right end part of the first connecting rod is rotationally connected with the hinge cup through a second rotating shaft, the right end part of the second connecting rod is rotationally connected with the hinge cup through a third rotating shaft, the left end part of the second connecting rod is rotationally connected with the shell component through a fourth rotating shaft, the first connecting rod is positioned at the upper right part of the second connecting rod, a first abutting position is arranged at the upper left part of the second connecting rod, and a second abutting position is arranged at the lower part of the second connecting rod;

the buffer structure, the second ball and the second ball mounting sleeve; the second ball installation sleeve is arranged at the output end of the buffer structure, the second ball is arranged on the ball installation sleeve, and the second ball abuts against the second abutting position to play a role in buffering; and

the elastic structure, the first ball and the first ball mounting sleeve; the elastic structure is arranged in the shell assembly, the first ball mounting sleeve is arranged at the output end of the elastic structure, the first ball is arranged on the first ball mounting sleeve, and the first ball abuts against the first abutting position so that the hinge cup is opened or closed.

In this technical scheme, the shell subassembly includes: the device comprises a shell, a fixed bracket, a fixed seat and a fifth rotating shaft; the fixed bolster passes through fifth pivot suit in fixing base department, the fixing base is installed in the shell, the left end portion of first connecting rod is connected with the fixed bolster rotation through first pivot, and the left end portion of second connecting rod is connected with the fixed bolster rotation through the fourth pivot, elastic structure and buffer structure are installed in fixed bolster department.

In this technical scheme be equipped with first spacing mounting hole, the spacing mounting hole of second and the spacing mounting hole of third on the fixed bolster, the left portion of the spacing mounting hole of second communicates with each other with the right part of the spacing mounting hole of third and the spacing mounting hole of second and third are parallel to each other, buffer structure is arranged in the spacing mounting hole of third, the second ball installation cover is arranged in the spacing mounting hole of second and can remove along the spacing mounting hole of second, elastic construction and first ball installation cover are arranged in the spacing mounting hole of first, and first ball installation cover removes along the spacing mounting hole of first.

In the technical scheme, the second abutting position of the second connecting rod is L-shaped, the side wall of the second abutting position is arc-shaped, and the second ball abuts against the side wall of the second abutting position to play a role in buffering.

In this technical scheme, the first abutment of the second link is "delta", when the first ball abuts

The hinge cup is closed when resting against the left side wall of the first abutment and opened when the first ball rests against the right side wall of the first abutment.

In this technical solution, the elastic structure is a spring.

In the technical scheme, the buffer structure is an oil cylinder.

Compared with the prior art, the utility model has the advantages that: the connecting rod can not be worn or broken by reasonably designing the working principle and the mounting position of the elastic structure and the buffer structure, the stress direction of the buffer structure is not deviated, the service life is long, and the structure is compact.

Drawings

FIG. 1 is an exploded view of the present utility model;

FIG. 2 is a schematic diagram of the structure of the present utility model;

FIG. 3 is a top view of the present utility model;

FIG. 4 is a cross-sectional view A-A of FIG. 3;

FIG. 5 is a schematic view of the structure of the present utility model with the housing removed;

FIG. 6 is a schematic view of the hinge cup of the present utility model in its stowed configuration;

FIG. 7 is a schematic view of the hinge cup of the present utility model in an expanded configuration;

fig. 8 is a schematic view of the hinge cup of the present utility model after being unfolded.

Detailed Description

The following describes the embodiments of the present utility model further with reference to the drawings. The description of these embodiments is provided to assist understanding of the present utility model, but is not intended to limit the present utility model. In addition, technical features of the embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

In the description of the present utility model, the terms "left", "right", "upper" and "lower" indicate an azimuth or a positional relationship based on that shown in the drawings, and are merely for convenience of describing the present utility model, not to require that the present utility model must be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.

As shown in fig. 1 to 8, there is a buffering door hinge comprising:

the hinge assembly comprises a shell component, a first connecting rod 7, a second connecting rod 8, a hinge cup 12, a first rotating shaft 13, a second rotating shaft 14, a third rotating shaft 15 and a fourth rotating shaft 17; the left end part of the first connecting rod 7 is rotationally connected with the shell component through a first rotating shaft 13, the right end part of the first connecting rod 7 is rotationally connected with the hinge cup 12 through a second rotating shaft 14, the right end part of the second connecting rod 8 is rotationally connected with the hinge cup 12 through a third rotating shaft 15, the left end part of the second connecting rod 8 is rotationally connected with the shell component through a fourth rotating shaft 17, the first connecting rod 7 is positioned at the upper right part of the second connecting rod 8, a first abutting position 81 is arranged at the upper left part of the second connecting rod 8, and a second abutting position 82 is arranged at the lower part of the second connecting rod 8;

a buffer structure 9, a second ball 11 and a second ball mounting sleeve 10; the buffer structure 9 is arranged in the shell assembly, the second ball mounting sleeve 10 is arranged on the output end of the buffer structure 9, the second ball 11 is arranged on the ball mounting sleeve 10, and the second ball 11 abuts against the second abutting position 82 to play a role in buffering; and

an elastic structure 4, a first ball 6 and a first ball mounting sleeve 5; the elastic structure 4 is installed in the housing assembly, the first ball installation sleeve 5 is installed on the output end of the elastic structure 4, the first ball 6 is installed on the first ball installation sleeve 5, and the first ball 6 abuts against the first abutting position 81 so that the hinge cup 12 is opened or closed.

When in use, the first propping position 81 on the second connecting rod 8 propped against the first ball 6 is rolling friction, the second propping position 82 on the second connecting rod 8 propped against the second ball 11 is rolling friction, the friction force is small, the first connecting rod 8 cannot be worn, and the service life is long.

In this embodiment, the housing assembly includes: the device comprises a shell 1, a fixed bracket 2, a fixed seat 3 and a fifth rotating shaft; the fixed support 2 is sleeved at the fixed seat 3 through a fifth rotating shaft 18, the fixed seat 3 is installed in the fixed shell 1, the left end part of the first connecting rod 7 is rotationally connected with the fixed support 2 through a first rotating shaft 13, the left end part of the second connecting rod 8 is rotationally connected with the fixed support 2 through a fourth rotating shaft 17, the buffer structure 9 is installed at the fixed support 2, and the elastic structure 4 is installed at the fixed support 2.

In this embodiment, the fixing bracket 2 is provided with a first limiting mounting hole 21, a second limiting mounting hole 22 and a third limiting mounting hole 23, the left part of the second limiting mounting hole 22 is communicated with the right part of the third limiting mounting hole 23, the second limiting mounting hole 22 and the third limiting mounting hole 23 are parallel to each other, the buffer structure 9 is located in the third limiting mounting hole 23, the second ball mounting sleeve 10 is located in the second limiting mounting hole 22 and can move along the second limiting mounting hole 22, the elastic structure 4 and the first ball mounting sleeve 5 are located in the first limiting mounting hole 21, and the first ball mounting sleeve 5 moves along the first limiting mounting hole 21. When the ball bearing buffer structure is used, the left part of the second limiting mounting hole 22 is communicated with the right part of the third limiting mounting hole 23, the second limiting mounting hole 22 and the third limiting mounting hole 23 are parallel to each other, the moving direction of the second ball bearing mounting sleeve 10 is consistent with the moving direction of the output shaft of the buffer structure 9, the stress direction of the buffer structure 9 is not deviated, and the service life is long.

In this embodiment, the second abutment 82 of the second connecting rod 8 is shaped like a letter "l", the side wall of the second abutment 82 is curved, and the second ball 11 abuts against the side wall of the second abutment 82 to play a role of buffering.

In the present embodiment, the first abutment 81 of the second link 8 is "delta" when the first roller

The bead 6 closes the hinge cup 12 when resting against the left side wall of the first abutment 81 and opens the hinge cup 12 when the first ball 6 rests against the right side wall of the first abutment 81. In use, when the first ball 6 abuts against the left side wall of the first abutment 81, a rightward force is applied to the upper portion of the second link 8, causing the second link 8 to rotate the hinge cup 12 inwardly closed, and when the first ball 6 abuts against the right side wall of the first abutment 81, a downward force is applied to the upper portion of the second link 8, causing the second link 8 to rotate the hinge cup 12 outwardly open.

In this embodiment, the elastic structure 4 is a spring.

In this embodiment, the buffer structure 9 is an oil cylinder.

The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings, but the present utility model is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made hereto without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. A cushioned door hinge, comprising:

the hinge comprises a shell component, a first connecting rod (7), a second connecting rod (8), a hinge cup (12), a first rotating shaft (13), a second rotating shaft (14), a third rotating shaft (15) and a fourth rotating shaft (17); the left end part of the first connecting rod (7) is rotationally connected with the shell component through a first rotating shaft (13), the right end part of the first connecting rod (7) is rotationally connected with the hinge cup (12) through a second rotating shaft (14), the right end part of the second connecting rod (8) is rotationally connected with the hinge cup (12) through a third rotating shaft (15), the left end part of the second connecting rod (8) is rotationally connected with the shell component through a fourth rotating shaft (17), the first connecting rod (7) is positioned at the upper right part of the second connecting rod (8), a first abutting position (81) is arranged at the upper left part of the second connecting rod (8), and a second abutting position (82) is arranged at the lower part of the second connecting rod (8);

a buffer structure (9), a second ball (11) and a second ball mounting sleeve (10); the buffer structure (9) is arranged in the shell assembly, the second ball mounting sleeve (10) is arranged at the output end of the buffer structure (9), the second ball (11) is arranged on the ball mounting sleeve (10), and the second ball (11) abuts against the second abutting position (82) to play a role in buffering; and

an elastic structure (4), a first ball (6) and a first ball mounting sleeve (5); the elastic structure (4) is arranged in the shell assembly, the first ball mounting sleeve (5) is arranged at the output end of the elastic structure (4), the first ball (6) is arranged on the first ball mounting sleeve (5), and the first ball (6) abuts against the first abutting position (81) so that the hinge cup (12) is opened or closed.

2. The cushioned door hinge of claim 1, wherein the housing assembly includes: the device comprises a shell (1), a fixed bracket (2), a fixed seat (3) and a fifth rotating shaft (18); the fixed support (2) is sleeved at the fixed seat (3) through a fifth rotating shaft (18), the fixed seat (3) is installed in the shell (1), the left end part of the first connecting rod (7) is rotationally connected with the fixed support (2) through a first rotating shaft (13), the left end part of the second connecting rod (8) is rotationally connected with the fixed support (2) through a fourth rotating shaft (17), and the elastic structure (4) and the buffer structure (9) are installed at the fixed support (2).

3. The buffer door hinge according to claim 2, characterized in that a first limit mounting hole (21), a second limit mounting hole (22) and a third limit mounting hole (23) are formed in the fixed support (2), the left part of the second limit mounting hole (22) is communicated with the right part of the third limit mounting hole (23), the second limit mounting hole (22) and the third limit mounting hole (23) are parallel to each other, the buffer structure (9) is located in the third limit mounting hole (23), the second ball mounting sleeve (10) is located in the second limit mounting hole (22) and can move along the second limit mounting hole (22), the elastic structure (4) and the first ball mounting sleeve (5) are located in the first limit mounting hole (21), and the first ball mounting sleeve (5) moves along the first limit mounting hole (21).

4. A buffering door hinge according to claim 1, characterized in that the second abutting position (82) of the second connecting rod (8) is in an L shape, the side wall of the second abutting position (82) is arc-shaped, and the second ball (11) abuts against the side wall of the second abutting position (82) to play a buffering role.

5. A buffering door hinge according to claim 1, characterized in that the first abutment (81) of the second link (8) is of the type "delta", whereby the hinge cup (12) is closed when the first ball (6) abuts against the left side wall of the first abutment (81), and whereby the hinge cup (12) is opened when the first ball (6) abuts against the right side wall of the first abutment (81).

6. A fluctuated door hinge according to claim 1, characterized in that the elastic structure (4) is a spring.

7. A damper door hinge according to claim 1, characterized in that the damper structure (9) is a cylinder.