CN215634275U

CN215634275U - Screw with higher fastening performance

Info

Publication number: CN215634275U
Application number: CN202122388479.9U
Authority: CN
Inventors: 李建中; 葛卫元
Original assignee: Suzhou Geer Hardware Co ltd
Current assignee: Suzhou Geer Hardware Co ltd
Priority date: 2021-09-30
Filing date: 2021-09-30
Publication date: 2022-01-25
Anticipated expiration: 2031-09-30

Abstract

The utility model relates to the technical field of screws and discloses a screw with higher fastening performance, wherein movable grooves are symmetrically arranged on the surface of a screw rod, an operation cavity is arranged in the screw rod, first installation blocks are fixedly assembled on the movable grooves, operation rods are rotatably assembled on the first installation blocks, screw pins are fixedly assembled on the surfaces of the operation rods, second installation blocks are fixedly assembled on the back of the operation rods, connecting rods are rotatably assembled on the second installation blocks, screw caps are fixedly assembled at the tops of the screw rods, movable rods are movably assembled on the screw rods and the screw caps, third installation blocks are symmetrically and fixedly assembled on the surfaces of the movable rods, one end of each connecting rod and the third installation block are movably assembled, the screw with higher fastening performance solves the problem that the conventional screw is poor in self-stability performance through the matched use of the screw pins and the movable rods, the problem of loosening and falling off can occur.

Description

Screw with higher fastening performance

Technical Field

The utility model relates to the technical field of screws, in particular to a screw with high fastening performance.

Background

The screw is a tool for fastening each part step by utilizing the physics and mathematical principles of the inclined plane circular rotation and the friction force of an object, is the most common fastener and is widely applied to various industries. General screw includes screw cap and screw rod, and mostly is made of metal material.

At present, most of fixing modes of parts in products are locked by screws, but the existing screws have the following problems in the installation process:

the screw is not excellent enough when using the steadiness of self, just can lead to appearing becoming flexible the condition of droing, in the in-process of using, has brought certain influence, consequently it is necessary to relate to a screw that fastening performance is higher and is used for current screw technical field.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the problem that the existing screw is not excellent in self stability and can cause loosening and falling, the utility model provides the screw with higher fastening performance, which has the advantage of strengthening the fastening performance of the screw and solves the problems in the background technology.

(II) technical scheme

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

the utility model provides a higher screw of fastening performance, includes screw rod and screw cap, the surperficial symmetry of screw rod be provided with movable groove, the inside of screw rod is provided with the operation chamber, the movable groove communicates with the operation chamber, the movable groove on all fixed be equipped with first installation piece, all rotate on the first installation piece and be equipped with the action bars, the action bars surface is all fixed be equipped with the nail tip, the back of action bars all fixed be equipped with the second installation piece, all rotate on the second installation piece and be equipped with the connecting rod, the top of screw rod fixed be equipped with the screw cap, the screw rod with screw cap activity be equipped with the movable rod, the one end of movable rod is located the operation chamber of screw rod, the fixed third installation piece that is equipped with of surface symmetry of movable rod, the third installation piece is located the operation chamber, the one end and the third installation piece of connecting rod carry out the activity assembly.

Preferably, the one end of movable rod be provided with the screw thread, the one end of movable rod is fixed to be equipped with the pull lid, the screw thread is close to the pull lid, the pull lid is located one side of screw cap, the screw thread of movable rod on be equipped with the nut, the nut is located between screw cap and the pull lid.

Preferably, the inside of movable rod be provided with movable chamber, the fixed inserted bar that is equipped with in bottom surface in operation chamber, the activity of the bottom from the movable rod of one end of inserted bar is run through to the movable chamber to the fixed connection pad that is equipped with in one end in movable chamber, the connection pad is located movable chamber.

Preferably, the diameter value of the connecting disc is larger than that of the movable cavity, and the insertion rod can be effectively prevented from being pulled out of the movable cavity of the movable rod through the connecting disc.

Preferably, the inserted link moves up and down in the movable cavity of the movable link through the connecting disc.

(III) advantageous effects

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the screw with higher fastening performance is used for fixing the assembly, and the nut rotates towards the pull cover. Pulling pull lid for the movable rod removes toward pull lid pulling direction, and the movable rod is in removing simultaneously, makes the movable angle of connecting rod change, and the one end of connecting rod promotes the action bars and removes toward the movable groove direction, and the nail tip on the action bars plays the increase and surely makes a concerted effort to the pilot hole inner wall of assembly, and the rethread nut is conveniently twisted towards the screw cap and is moved, consolidates, improves the effect of fastening nature.

2. The screw with higher fastening performance is fixedly assembled with the bottom surface of the operation cavity through one end of the inserted rod. The other end of the inserted bar moves in the movable cavity through the connecting disc, so that the stability of the movable bar moving in the operation cavity is improved.

Drawings

FIG. 1 is a schematic view of a screw with high fastening performance according to the present invention;

FIG. 2 is an enlarged view of the structure at A of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the internal structure of the screw with high fastening performance according to the present invention;

FIG. 4 is an enlarged view of the structure at B of FIG. 3 according to the present invention;

FIG. 5 is a schematic cross-sectional view of a screw with high fastening performance according to the present invention;

fig. 6 is an enlarged view of the structure of fig. 5 at C in the present invention.

In the figure:

10. a screw; 11. a screw cap; 12. a movable rod; 13. a thread;

20. a nut; 21. a pull cover; 22. a movable groove; 23. a first mounting block;

30. an operating lever; 31. nailing tips; 32. a second mounting block; 33. a third mounting block;

40. a connecting rod; 41. inserting a rod; 42. an operating chamber; 43. a movable cavity;

50. and (7) connecting the disc.

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.

Example 1

As shown in fig. 1 to 6, which are schematic views of a screw structure with high fastening performance according to a preferred embodiment of the present invention, the screw with high fastening performance of this embodiment includes a screw rod 10 and a screw cap 11, a movable groove 22 is symmetrically disposed on a surface of the screw rod 10, an operation cavity 42 is disposed inside the screw rod 10, the movable groove 22 communicates with the operation cavity 42, a first mounting block 23 is fixedly mounted on each movable groove 22, an operation rod 30 is rotatably mounted on each first mounting block 23, a screw tip 31 is fixedly mounted on a surface of the operation rod 30, a second mounting block 32 is fixedly mounted on a back of the operation rod 30, a connecting rod 40 is rotatably mounted on each second mounting block 32, a screw cap 11 is fixedly mounted on a top of the screw rod 10, a movable rod 12 is movably mounted on the screw rod 10 and the screw cap 11, one end of the movable rod 12 is located in the operation cavity 42 of the screw rod 10, the surface of the movable rod 12 is symmetrically and fixedly provided with a third mounting block 33, the third mounting block 33 is positioned in the operation cavity 42, and one end of the connecting rod 40 is movably assembled with the third mounting block 33.

One end of the movable rod 12 is provided with a thread 13, one end of the movable rod 12 is fixedly provided with a drawing cover 21, the thread 13 is close to the drawing cover 21, the drawing cover 21 is positioned on one side of the screw cap 11, the thread 13 of the movable rod 12 is provided with a nut 20, and the nut 20 is positioned between the screw cap 11 and the drawing cover 21.

In this embodiment, the assembly is fixed by a screw, and the nut 20 is rotated in the direction of the drawing cover 21. Pulling pull lid 21 for movable rod 12 removes toward pull lid 21 pulling direction, and movable rod 12 is in removing simultaneously, makes the activity angle of connecting rod 40 change, and the one end of connecting rod 40 promotes action bars 30 and removes toward activity groove 22 direction, and the nail tip 31 on the action bars 30 plays the increase resultant force of cutting to the pilot hole inner wall of assembly, and rethread nut 20 is conveniently twisted towards screw cap 11 and is moved, consolidates, improves the effect of fastening nature.

Example 2

As shown in fig. 1 to 6, which are schematic views of a screw structure with high fastening performance according to another preferred embodiment of the present invention, in order to improve the movement stability of the movable rod 12, in example 1, the device is improved, the movable rod 12 is provided with a movable cavity 43 inside, the bottom surface of the operation cavity 42 is fixedly equipped with an insert rod 41, one end of the insert rod 41 movably penetrates into the movable cavity 43 from the bottom of the movable rod 12, one end of the movable cavity 43 is fixedly equipped with a connecting disc 50, the connecting disc 50 is located in the movable cavity 43, the diameter value of the connecting disc 50 is greater than that of the movable cavity 43, and the insert rod 41 moves up and down in the movable cavity 43 of the movable rod 12 through the connecting disc 50.

In this embodiment, one end of the insertion rod 41 is fixedly fitted to the bottom surface of the operation chamber 42. The other end of the plunger 41 moves in the movement chamber 43 through the connecting plate 50, increasing the stability of the movement of the movable lever 12 in the operation chamber 42.

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

Claims

1. A screw with high fastening performance comprises a screw rod (10) and a screw cap (11),

the method is characterized in that:

the surface symmetry of screw rod (10) be provided with movable groove (22), the inside of screw rod (10) is provided with operation chamber (42), movable groove (22) communicate with operation chamber (42), movable groove (22) on all fixed be equipped with first installation piece (23), all rotate on first installation piece (23) and be equipped with action bars (30), action bars (30) surface all fixed be equipped with nail tip (31), the back of action bars (30) all fixed be equipped with second installation piece (32), all rotate on second installation piece (32) and be equipped with connecting rod (40), the top of screw rod (10) fixed be equipped with screw cap (11), screw rod (10) with screw cap (11) activity be equipped with movable rod (12), the one end of movable rod (12) is arranged in operation chamber (42) of screw rod (10), the surface symmetry of movable rod (12) fixed be equipped with third installation piece (33), the third mounting block (33) is located in the operation cavity (42), and one end of the connecting rod (40) is movably assembled with the third mounting block (33).

2. A screw having high fastening performance according to claim 1, wherein: one end of movable rod (12) be provided with screw thread (13), the one end fixed mounting of movable rod (12) has pull lid (21), screw thread (13) are close to pull lid (21), pull lid (21) are located one side of screw cap (11), screw thread (13) of movable rod (12) on be equipped with nut (20), nut (20) are located between screw cap (11) and pull lid (21).

3. A screw having high fastening performance according to claim 2, wherein: the inside of activity pole (12) be provided with activity chamber (43), the bottom surface in operation chamber (42) is fixed to be equipped with inserted bar (41), the activity of the bottom in activity pole (12) is followed to the one end of inserted bar (41) is run through to activity chamber (43) to the one end in activity chamber (43) is fixed to be equipped with connection pad (50), connection pad (50) are located activity chamber (43).

4. A screw having a high fastening performance according to claim 3, wherein: the diameter value of the connecting disc (50) is larger than that of the movable cavity (43).

5. The screw with higher fastening performance according to claim 4, wherein: the insertion rod (41) moves up and down in a movable cavity (43) of the movable rod (12) through a connecting disc (50).