CN215978922U

CN215978922U - Combined elastic hinge

Info

Publication number: CN215978922U
Application number: CN202121588837.4U
Authority: CN
Inventors: 凌军
Original assignee: Jiujiang Jingcheng Industrial Hardware Co ltd
Current assignee: Jiujiang Jingcheng Industrial Hardware Co ltd
Priority date: 2021-07-13
Filing date: 2021-07-13
Publication date: 2022-03-08
Anticipated expiration: 2031-07-13

Abstract

The utility model discloses a combined elastic hinge, which relates to the technical field of hardware accessories and comprises a second mounting plate, wherein a mounting block is fixedly mounted on the right side of the second mounting plate, a cavity is arranged inside the mounting block, a threaded rod is movably connected inside the cavity, first grooves are formed in the top surface and the bottom surface of the threaded rod, a first convex block is mounted inside the first groove, an elastic supporting rod is connected outside the first convex block, the tail end of the elastic supporting rod is connected with the first mounting plate, a second groove is formed in the upper portion of the right side of the cavity, and a first through hole is formed in the outer side of the second groove. According to the spring mounting block, the second groove, the third groove, the first through hole and the second through hole are arranged, when the spring in the mounting block needs to be replaced, the thin rod is inserted into the first through hole and the second through hole respectively, the second protruding block and the third protruding block can be ejected out, and therefore the spring can be taken out easily.

Description

Combined elastic hinge

Technical Field

The utility model relates to the technical field of hardware accessories, in particular to a combined elastic hinge.

Background

The furniture usually has a hinge to achieve the purpose of opening and closing the cabinet door, the hinge is also called hinge, is a connecting device used for connecting two objects and allowing relative rotation between the two objects, two rotating parts are hinged together through a hinge shaft, when in use, the two rotating parts are respectively fixed on the two objects through fasteners, and the movable part is connected and installed on a fixed part and the relative rotation between the two objects is realized, therefore, a combined elastic hinge is provided.

Most of the existing elastic hinges are integrated, the tightness degree of the elastic hinges cannot be adjusted, and the practicability is low; after long-time use, the internal spring loses efficacy and cannot be replaced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems that most of the existing elastic hinges are integrated, the tightness degree of the elastic hinges cannot be adjusted, and the practicability is low; the combined elastic hinge has the defects that after long-time use, the internal spring fails and cannot be replaced.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a combined elastic hinge comprises a second mounting plate, wherein a mounting block is fixedly mounted on the right side of the second mounting plate, a cavity is arranged inside the mounting block, a threaded rod is movably connected inside the cavity, first grooves are formed in the top surface and the bottom surface of the threaded rod, a first lug is mounted inside the first groove, an elastic supporting rod is connected outside the first lug, the tail end of the elastic supporting rod is connected with the first mounting plate, a second groove is formed above the right side of the cavity, a first through hole is formed in the outer side of the second groove, a third groove is formed below the left side of the cavity, a second through hole is formed in the outer side of the third groove, a spring is sleeved in the middle of the threaded rod, the top end of the spring is connected with a second lug, a third lug is connected to the tail end of the spring, and chucks are movably connected to the upper side and the lower side of the spring, the outside swing joint of chuck has self-locking nut, the fixture block has been installed to the bottom both sides of chuck, and the inboard welding of chuck has the slider, the outside both sides of threaded rod are provided with the spout.

Preferably, a fixed structure is formed between the threaded rod and the elastic supporting rod through a first bump, and two groups of elastic supporting rods are symmetrically distributed on the transverse axis of the first mounting plate.

Preferably, a rotating structure is formed between the elastic supporting rod and the mounting block through a threaded rod, and the diameter of the threaded rod is smaller than the inner diameter of the cavity.

Preferably, an elastic structure is formed between the mounting block and the threaded rod through a spring, and the spring is in electric welding connection with the second convex block.

Preferably, the second protrusion is in clearance fit with the second groove, and the second groove is communicated with the first through hole.

Preferably, a moving structure is formed between the chuck and the threaded rod through a sliding block and a self-locking nut, and the outer wall of the chuck is tightly attached to the inner wall of the cavity.

In summary, due to the adoption of the technical scheme, the utility model has the beneficial effects that:

1. according to the utility model, the installation block, the cavity, the spring and the chuck are arranged, the chuck can be driven to move oppositely by rotating the self-locking nut, and then the chuck can be clamped in the cavity, and the pre-tightening degree of the spring can be freely adjusted by rotating the self-locking nut, so that the effect of adjusting the tightness degree of the elastic hinge can be achieved.

2. According to the spring mounting block, the second groove, the third groove, the first through hole and the second through hole are arranged, when the spring in the mounting block needs to be replaced, the thin rod is inserted into the first through hole and the second through hole respectively, the second protruding block and the third protruding block can be ejected out, and therefore the spring can be taken out easily.

Drawings

FIG. 1 is a schematic view of the overall external structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the mounting block of the present invention;

fig. 3 is a schematic view of the connection structure of the chuck and the threaded rod in the utility model.

Illustration of the drawings:

1. an elastic support bar; 2. a first mounting plate; 3. a first bump; 4. a second mounting plate; 5. mounting blocks; 6. a threaded rod; 7. a first groove; 8. a self-locking nut; 9. a chuck; 10. a second groove; 11. a first through hole; 12. a cavity; 13. a second through hole; 14. a third groove; 15. a chute; 16. a slider; 17. a third bump; 18. a clamping block; 19. a second bump; 20. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, a combined elastic hinge comprises an elastic support rod 1, a first mounting plate 2, a first projection 3, a second mounting plate 4, a mounting block 5, a threaded rod 6, a first groove 7, a self-locking nut 8, a chuck 9, a second groove 10, a first through hole 11, a cavity 12, a second through hole 13, a third groove 14, a chute 15, a slider 16, a third projection 17, a fixture block 18, a second projection 19 and a spring 20, wherein the mounting block 5 is fixedly mounted on the right side of the second mounting plate 4, the mounting block 5 and the threaded rod 6 form an elastic structure through the spring 20, the spring 20 and the second projection 19 are in electric welding connection, the elastic structure ensures that the threaded rod 6 can reversely rotate under the elastic force of the spring 20 after an external force acting on the first mounting plate 2 is removed, and further can drive the first mounting plate 2 to reversely rotate through the elastic support rod 1, the electric welding connection ensures that the second lug 19 can not be separated from the spring 20 when the spring 20 is longitudinally extruded, the cavity 12 is arranged inside the mounting block 5, the threaded rod 6 is movably connected inside the cavity 12, the threaded rod 6 and the elastic supporting rod 1 form a fixed structure through the first lug 3, two groups of elastic supporting rods 1 are symmetrically distributed about the transverse axis of the first mounting plate 2, the fixed structure ensures that the threaded rod 6 and the elastic supporting rod 1 can be connected together through the first lug 3, two groups of elastic supporting rods 1 are symmetrically distributed about the transverse axis of the first mounting plate 2, so that the integral supporting effect is better, the top surface and the bottom surface of the threaded rod 6 are provided with first grooves 7, the first lug 3 is arranged inside the first groove 7, the elastic supporting rod 1 is connected outside the first lug 3, and the tail end of the elastic supporting rod 1 is connected with the first mounting plate 2, a rotating structure is formed between the elastic supporting rod 1 and the mounting block 5 through a threaded rod 6, the diameter of the threaded rod 6 is smaller than the inner diameter of the cavity 12, the rotating structure ensures that the elastic supporting rod 1 can rotate around the threaded rod 6, and further can drive the first mounting plate 2 to rotate, the diameter of the threaded rod 6 is smaller than the inner diameter of the cavity 12, and ensures that the threaded rod 6 can enter the cavity 12, a second groove 10 is arranged above the right side of the cavity 12, a first through hole 11 is arranged on the outer side of the second groove 10, a third groove 14 is arranged below the left side of the cavity 12, a second through hole 13 is arranged on the outer side of the third groove 14, a spring 20 is sleeved at the middle part of the threaded rod 6, a second lug 19 is connected at the top end of the spring 20, the second lug 19 is in clearance fit with the second groove 10, the second groove 10 is in a communicated state with the first through hole 11, the clearance fit ensures the stability of the connection between the second lug 19 and the second groove 10, the communicating state helps to reduce the difficulty of mounting and dismounting the spring 20, the tail end of the spring 20 is connected with the third bump 17, the upper side and the lower side of the spring 20 are movably connected with the chuck 9, a moving structure is formed between the chuck 9 and the threaded rod 6 through the slider 16 and the self-locking nut 8, the outer wall of the chuck 9 is tightly attached to the inner wall of the cavity 12, the moving structure ensures that the chuck 9 can freely move up and down outside the threaded rod 6, the attachment tightly ensures the stability of the chuck 9 and the threaded rod 6 in the rotating process, the outer side of the chuck 9 is movably connected with the self-locking nut 8, the two sides of the bottom of the chuck 9 are provided with the blocks 18, the slider 16 is welded on the inner side of the chuck 9, and the two sides of the outside of the threaded rod 6 are provided with the sliding grooves 15.

The working principle is as follows: when the self-locking type spring mounting block is used, the spring 20 is inserted into the cavity 12 until the second lug 19 is matched with the second groove 10 and the third lug 17 is matched with the third groove 14, the second lug 19 can easily enter the second groove 10 due to the existence of the first through hole 11 and the second through hole 13, the threaded rod 6 is inserted into the spring 20, the chuck 9 is sleeved outside the threaded rod 6, the self-locking nut 8 is installed, the chuck 9 can be driven to move oppositely by rotating the self-locking nut 8, the chuck can be clamped in the cavity 12, the pre-tightening degree of the spring 20 can be freely adjusted by rotating the self-locking nut 8, the threaded rod 6 and the elastic supporting rod 1 are connected together through the first lug 3, and finally, the first mounting plate 2 and the second mounting plate 4 are respectively butted with a part to be mounted, when the spring 20 in the mounting block 5 needs to be replaced, the second projection 19 and the third projection 17 can be pushed out by inserting a thin rod into each of the first through hole 11 and the second through hole 13, and the spring 20 can be easily removed.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A combination elastic hinge, comprising a second mounting plate (4), characterized in that: the right side of the second mounting plate (4) is fixedly provided with a mounting block (5), a cavity (12) is arranged inside the mounting block (5), a threaded rod (6) is movably connected inside the cavity (12), the top surface and the bottom surface of the threaded rod (6) are provided with first grooves (7), a first lug (3) is arranged inside the first groove (7), an elastic supporting rod (1) is connected outside the first lug (3), the tail end of the elastic supporting rod (1) is connected with a first mounting plate (2), a second groove (10) is arranged above the right side of the cavity (12), a first through hole (11) is formed in the outer side of the second groove (10), a third groove (14) is arranged below the left side of the cavity (12), a second through hole (13) is formed in the outer side of the third groove (14), a spring (20) is sleeved in the middle of the threaded rod (6), and the top of spring (20) is connected with second lug (19), the end-to-end connection of spring (20) has third lug (17), and the upper and lower both sides swing joint of spring (20) has chuck (9), the outside swing joint of chuck (9) has self-locking nut (8), fixture block (18) have been installed to the bottom both sides of chuck (9), and the inboard welding of chuck (9) has slider (16), the outside both sides of threaded rod (6) are provided with spout (15).

2. The combination elastic hinge according to claim 1, wherein: the threaded rod (6) and the elastic support rod (1) form a fixed structure through the first convex block (3), and the elastic support rod (1) is symmetrically distributed with two groups about the transverse axis of the first mounting plate (2).

3. The combination elastic hinge according to claim 1, wherein: a rotating structure is formed between the elastic supporting rod (1) and the mounting block (5) through a threaded rod (6), and the diameter of the threaded rod (6) is smaller than the inner diameter of the cavity (12).

4. The combination elastic hinge according to claim 1, wherein: an elastic structure is formed between the mounting block (5) and the threaded rod (6) through a spring (20), and the spring (20) is in electric welding connection with the second bump (19).

5. The combination elastic hinge according to claim 1, wherein: the second bump (19) is in clearance fit with the second groove (10), and the second groove (10) is communicated with the first through hole (11).

6. The combination elastic hinge according to claim 1, wherein: a moving structure is formed between the chuck (9) and the threaded rod (6) through a sliding block (16) and a self-locking nut (8), and the outer wall of the chuck (9) is tightly attached to the inner wall of the cavity (12).