CN219299746U

CN219299746U - High-strength fastening screw

Info

Publication number: CN219299746U
Application number: CN202320835674.8U
Authority: CN
Inventors: 季才力
Original assignee: Zhejiang Saida Fastener Co ltd
Current assignee: Zhejiang Saida Fastener Co ltd
Priority date: 2023-04-14
Filing date: 2023-04-14
Publication date: 2023-07-04
Anticipated expiration: 2033-04-14

Abstract

The utility model discloses a high-strength fastening screw in the technical field of screws, which comprises a screw cap, a threaded column and a nut, wherein the screw cap is welded at the top of the threaded column, a plurality of clamping grooves are annularly distributed on the outer side wall of the threaded column, a threaded groove is formed in the inner side wall of the nut, and the nut is connected with the threaded column through threads; this high strength fastening screw's setting, structural design is reasonable, through internally mounted at the nut fixture block, spring and connecting rope, and it has a plurality of draw-in grooves to appear annular distribution on the lateral wall of screw thread post, the fixture block can with draw-in groove joint, when nut, screw thread post and nut mutually support and use and fasten mechanical parts, its nut carries out threaded connection with the screw thread post, until the nut twists motionless on the screw thread post, its tip card in the draw-in groove under the effect of spring this moment, and then can effectually prevent that the nut from taking place to turn around on the screw thread post, avoid causing the part of fastening to take place not hard up.

Description

High-strength fastening screw

Technical Field

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

Background

The screw is a tool for fastening the parts of the device step by utilizing the physical and mathematical principles of the inclined circular rotation and friction force of the object. Screws are a common way of speaking fasteners, daily spoken words. Screws are an indispensable industrial necessity in daily life: very small screws for use in cameras, spectacles, watches, electronics, etc.; general screws for televisions, electrical products, musical instruments, furniture, and the like; as for engineering, construction and bridge, large-scale screws and nuts are used; traffic tools, airplanes, electric cars, automobiles and the like are used together by the large screws and the small screws. Screws are an important task in industry, and as long as industry exists on earth, the function of the screw is always important.

When the existing fastening screw is used, the nut is loosened due to vibration of the machine, and further the fastening of the screw to the part is affected. For this reason, new solutions need to be designed to solve.

Disclosure of Invention

The utility model aims to provide a high-strength fastening screw, which solves the problem that the screw is used for fastening parts due to loosening of nuts caused by vibration of a machine.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a high strength fastening screw, includes nut, screw thread post and nut, the nut weld in the top of screw thread post, the lateral wall of screw thread post presents annular distribution and has a plurality of draw-in grooves, the inside wall of nut is opened there is the screw thread groove, the nut with screw thread post passes through threaded connection, the lateral wall of nut is inlayed and is had the pull rod, the inside wall of nut is opened there is the mounting groove, it has the fixture block to inlay in the mounting groove, the fixture block can with draw-in groove joint, the fixture block with inlay between the inside wall of mounting groove has the spring, the pull rod with be connected through the connecting rope between the fixture block, the connecting rope transversely runs through the nut.

In order to conveniently squeeze the clamping block into the nut when the nut is in threaded connection with the threaded column, the high-strength fastening screw is preferable in the utility model, the clamping block is close to one side of the threaded column, and wedge-shaped surfaces are respectively arranged at the upper end and the lower end of the clamping block.

In order to ensure the moving stability of the clamping block, as a preferable high-strength fastening screw of the utility model, a balancing block is welded at the upper end and the lower end of the clamping block, which is far away from one side of the threaded column, and the balancing block is in sliding contact with the inner side wall of the mounting groove.

In order to conveniently pull the pull rod, as a high-strength fastening screw of the utility model, a side rod is preferably welded at the top of the pull rod in a horizontal manner, and the side rod is contacted with the top of the nut.

In order to enable the clamping block to be clamped into the clamping groove while locking, the high-strength fastening screw is preferably characterized in that a spring gasket is sleeved outside the threaded column, and the spring gasket is positioned at the middle of the nut and the nut.

In order to enable the clamping block to be in butt joint with the clamping groove efficiently, the high-strength fastening screw is preferable to be provided with a plurality of clamping grooves which are distributed at equal intervals on the outer side wall of the threaded column.

In order to prevent the movement of the spring to make the stress of the clamping block uneven, it is preferable as a high strength fastening screw of the present utility model that the spring is fixed to the inner side wall of the installation groove by a bolt.

Compared with the prior art, the utility model has the beneficial effects that: this high strength fastening screw's setting, structural design is reasonable, through internally mounted at the nut fixture block, spring and connecting rope, and it has a plurality of draw-in grooves to appear annular distribution on the lateral wall of screw thread post, the fixture block can with draw-in groove joint, when nut, screw thread post and nut mutually support and use and fasten mechanical parts, its nut carries out threaded connection with the screw thread post, until the nut twists motionless on the screw thread post, its tip card in the draw-in groove under the effect of spring this moment, and then can effectually prevent that the nut from taking place to turn around on the screw thread post, avoid causing the part of fastening to take place not hard up.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic cross-sectional view of the nut of the present utility model;

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

fig. 4 is a schematic view showing the bottom structure of the nut of the present utility model.

In the figure: 1. a screw cap; 2. a threaded column; 3. a nut; 4. a clamping groove; 5. a pull rod; 6. a side bar; 7. a spring washer; 8. a mounting groove; 9. a clamping block; 10. a spring; 11. a balance weight; 12. and (5) connecting ropes.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.

Referring to fig. 1-4, the present utility model provides a technical solution: comprising a nut 1, a threaded post 2 and a nut 3.

In the technical scheme, a high-strength fastening screw is characterized in that a nut 1 is welded at the top of a threaded column 2, a plurality of clamping grooves 4 are annularly distributed on the outer side wall of the threaded column 2, a threaded groove is formed in the inner side wall of a nut 3, the nut 3 is connected with the threaded column 2 through threads, a pull rod 5 is inlaid on the outer side wall of the nut 3, an installation groove 8 is formed in the inner side wall of the nut 3, a clamping block 9 is inlaid in the installation groove 8, the clamping block 9 can be clamped with the clamping groove 4, a spring 10 is inlaid between the clamping block 9 and the inner side wall of the installation groove 8, the pull rod 5 is connected with the clamping block 9 through a connecting rope 12, and the connecting rope 12 transversely penetrates through the nut 3;

in this kind of technical scheme, nut 1, screw thread post 2 and nut 3 mutually support and use and can lock two parts, and fixture block 9 mutually support and use with draw-in groove 4 can effectually lock nut 3, prevent that nut 3 from taking place to turn and causing the emergence to become flexible between two parts on screw thread post 2, pull rod 5, connecting rope 12 and spring 10 mutually support and use and can pull fixture block 9 to the locking of releasing nut 3.

In some technical solutions, referring to fig. 2-3, the clamping block 9 is provided with wedge-shaped surfaces at its upper and lower ends, respectively, on the side close to the threaded column 2.

In this technical scheme, utilize the wedge face of fixture block 9, when fixture block 9 and the outer wall contact of screw thread post 2 receive the extrusion, can be convenient with fixture block 9 extrusion into mounting groove 8.

In some technical solutions, referring to fig. 2, a side of the fixture block 9 away from the threaded column 2 is welded with a balance block 11 at its upper end and lower end respectively, and the balance block 11 is in sliding contact with the inner side wall of the installation groove 8.

In this solution, the use of the counterweight 11 enables the block 9 to slide stably in the mounting groove 8.

In some solutions, referring to fig. 1, a side bar 6 is welded horizontally to the top of the pull rod 5, the side bar 6 being in contact with the top of the nut 3.

In this technical scheme, the use of side lever 6 can increase the area of contact between the hand and pull rod 5, and then can conveniently pull rod 5 off from nut 3.

In some solutions, referring to fig. 1, a spring washer 7 is sleeved on the outer portion of the threaded post 2, and the spring washer 7 is located at the middle of the nut 1 and the nut 3.

In this solution, the use of the spring washer 7 enables the insertion of the clamping block 9 into the clamping groove 4 while the nut 1, the threaded post 2 and the nut 3 lock the components.

In some embodiments, referring to fig. 1 and 4, a plurality of clamping grooves 4 are distributed at equal intervals on the outer sidewall of the threaded post 2.

In this kind of technical scheme, nut 3 is after accomplishing the locking for fixture block 9 can be quick carry out the joint with draw-in groove 4, avoids nut 3 to take place the gyration.

In some embodiments, referring to fig. 2, the spring 10 is fixed to the inner side wall of the mounting groove 8 by bolts.

In this solution, the use of the spring 10 allows the clamping block 9 to be uniformly stressed and to move horizontally in the mounting groove 8.

Working principle: the threaded column 2 passes through the through hole between the two parts, the pull rod 5 is pulled away from the nut 3 firstly, so that the pull rod 5 is changed into a horizontal state from a vertical state, the connecting rope 12 pulls the clamping block 9 at the moment, the spring 10 is in a compressed state, the nut 3 is in threaded connection with the threaded column 2 by utilizing threads, the nut 3 is rotated by using a spanner (not shown in the figure) until the nut is screwed, the pull rod 5 is reset at the moment, the compressed spring 10 releases the compressed state, the spring 10 pushes the clamping block 9, the clamping block 9 is clamped into the clamping groove 4, and the locking of the nut 3 is completed, so that the nut 3 can be effectively prevented from rotating on the threaded column 2 to influence the fastening of the parts.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although the utility model has been described hereinabove with reference to embodiments, various modifications thereof may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the features of the disclosed embodiments may be combined with each other in any manner so long as there is no structural conflict, and the exhaustive description of these combinations is not given in this specification merely for the sake of brevity and resource saving. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. A high strength fastening screw, characterized in that: including nut (1), screw thread post (2) and nut (3), nut (1) weld in the top of screw thread post (2), the lateral wall of screw thread post (2) presents annular distribution and has a plurality of draw-in grooves (4), the screw thread groove is opened to the inside wall of nut (3), nut (3) with screw thread post (2) pass through threaded connection, the lateral wall of nut (3) is inlayed and is had pull rod (5), the inside wall of nut (3) is opened there is mounting groove (8), inlay in mounting groove (8) fixture block (9), fixture block (9) can with draw-in groove (4) joint, fixture block (9) with inlay between the inside wall of mounting groove (8) spring (10), be connected through connecting rope (12) between pull rod (5) with fixture block (9), connecting rope (12) transversely run through nut (3).

2. A high strength fastening screw according to claim 1, wherein: the clamping block (9) is close to one side of the threaded column (2), and wedge-shaped surfaces are respectively arranged at the upper end and the lower end of the clamping block.

3. A high strength fastening screw according to claim 1, wherein: the fixture block (9) is far away from one side of the threaded column (2), the upper end and the lower end of the fixture block are respectively welded with a balance block (11), and the balance blocks (11) are in sliding contact with the inner side wall of the mounting groove (8).

4. A high strength fastening screw according to claim 1, wherein: a side rod (6) is horizontally welded at the top of the pull rod (5), and the side rod (6) is contacted with the top of the nut (3).

5. A high strength fastening screw according to claim 1, wherein: the outside of screw thread post (2) has cup jointed spring washer (7), spring washer (7) are located nut (1) with the centre department of nut (3).

6. A high strength fastening screw according to claim 1, wherein: the clamping grooves (4) are distributed on the outer side wall of the threaded column (2) at equal intervals.

7. A high strength fastening screw according to claim 1, wherein: the spring (10) is fixed on the inner side wall of the mounting groove (8) through bolts.