CN216241752U

CN216241752U - Nut with variable-tooth-type anti-loosening threads

Info

Publication number: CN216241752U
Application number: CN202122842522.4U
Authority: CN
Inventors: 王洋
Original assignee: Tianjin Yongmao Yuantong Technology Co ltd
Current assignee: Tianjin Yongmao Yuantong Technology Co ltd
Priority date: 2021-11-19
Filing date: 2021-11-19
Publication date: 2022-04-08
Anticipated expiration: 2031-11-19

Abstract

The utility model belongs to the technical field of lock nuts, in particular to a nut with a tooth-changing type check thread, which comprises a nut body, wherein a thread inner ring is arranged on the nut body, the inner wall of the thread inner ring is provided with tooth-changing type grains, a plurality of mounting grooves are formed in the nut body, a force unloading plate is movably arranged in each mounting groove, force unloading grooves are respectively formed in two sides of the force unloading plate, sliding grooves are respectively formed in two sides of the force unloading plate, grooves are respectively formed in two sides of each mounting groove, a spring is fixedly arranged on the inner wall of one side of each groove, a guide block is fixedly arranged at one end, close to the force unloading plate, of the spring, a ball is movably arranged on one side of each guide block, the ball is matched with the sliding grooves, the operation of the nut is simple, the use is convenient, the function of the nut capable of unloading force in advance is realized by arranging the springs, the guide blocks, the balls, the force unloading plate and other parts, and the like, the nut and the bolt can be effectively prevented from being tightly connected, resulting in a situation where the outer edge of the nut slips.

Description

Nut with variable-tooth-type anti-loosening threads

Technical Field

The utility model relates to the technical field of locking nuts, in particular to a nut with a variable-tooth-type anti-loosening thread.

Background

The variable thread type screw thread has a wedge inclined plane at the root of a thread of female screw, when bolt and nut are screwed up each other, the cusp of bolt just tightly pushes up on the wedge inclined plane of variable thread type screw thread to very big locking force has been produced, along with the development of automotive industry, requirement to automobile fastener is higher and higher, can set up variable thread type screw thread in the nut that the car used usually, improves nut locking force, increases the security.

However, in the prior art, the nut does not have a pre-unloading force structure, and because the connection torque between the nut and the bolt is large, the nut is directly disassembled by using a wrench, and the outer edge of the nut slips, so that the nut with the variable-tooth-type anti-loose thread is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a nut with a variable-thread type anti-loosening thread.

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a nut with become tooth type check thread, includes the nut body, be equipped with the screw thread inner circle on the nut body, the inner wall of screw thread inner circle is equipped with becomes tooth type line, a plurality of mounting grooves have been seted up on the nut body, the mounting groove internalization is equipped with unloads the power board, unload the both sides of power board and all seted up and unload the power groove, the both sides of unloading the power board all are equipped with the spout.

Preferably, both sides of the mounting groove are provided with grooves, the inner wall of one side of each groove is fixedly provided with a spring, one end of each spring, which is close to the stress relief plate, is fixedly provided with a guide block, one side of each guide block is movably provided with a ball, and the ball is matched with the sliding groove.

Preferably, the force unloading plate is made of stainless steel.

Preferably, the length of the force unloading groove is one centimeter, the width of the force unloading groove is three millimeters, and the depth of the force unloading groove is two millimeters.

Preferably, the depth of the mounting groove is one point and five centimeters.

Preferably, the number of the mounting grooves is two.

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

the nut is simple to operate and convenient to use, the function that the nut can unload force in advance is achieved by arranging the spring, the guide block, the ball, the force unloading plate and other parts, and the situation that the outer edge of the nut slips due to tight connection between the nut and the bolt can be effectively prevented.

Drawings

FIG. 1 is a schematic front sectional view of the present invention;

FIG. 2 is a schematic side sectional view of the force-relieving plate of FIG. 1;

FIG. 3 is an enlarged schematic view of portion A of FIG. 2;

FIG. 4 is a side view of the force-releasing plate of FIG. 2;

in the figure: 1. a nut body; 2. a threaded inner ring; 3. changing the tooth pattern; 4. mounting grooves; 5. a groove; 6. a spring; 7. a guide block; 8. a ball bearing; 9. a force unloading plate; 10. a force unloading groove; 11. a chute.

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. 1-4, the present invention provides a technical solution: a nut with variable-tooth-type anti-loosening threads comprises a nut body 1, wherein a thread inner ring 2 is arranged on the nut body 1, variable-tooth-type grains 3 are arranged on the inner wall of the thread inner ring 2, a plurality of mounting grooves 4 are formed in the nut body 1, a force unloading plate 9 is movably arranged in each mounting groove 4, force unloading grooves 10 are formed in two sides of each force unloading plate 9, and sliding grooves 11 are formed in two sides of each force unloading plate 9;

the two sides of the mounting groove 4 are both provided with grooves 5, the inner wall of one side of each groove 5 is welded with a spring 6, one end of each spring 6, which is close to a force unloading plate 9, is welded with a guide block 7, one side of each guide block 7 is movably provided with a ball 8, the balls 8 are matched with the sliding grooves 11, the force unloading plate 9 is made of stainless steel, the length of each force unloading groove 10 is one centimeter, the width of each force unloading groove is three millimeters, the depth of each force unloading groove is two millimeters, the depth of each mounting groove 4 is one point five centimeters, the number of the mounting grooves 4 is two, when nuts need to be unloaded, the force unloading plates 9 are firstly mounted in the mounting grooves 4, the sliding grooves 11 on the two sides are aligned with the balls 8, then the two balls 8 are firstly extruded towards the direction away from each other, the balls 8 extrude the guide blocks 7, the guide blocks 7 extrude the springs 6, when the balls 8 enter the sliding grooves 11, the force unloading plates 9 are pushed into the mounting grooves 4, after one end of the force unloading plates 9 is attached to the inner wall of the mounting groove 4, the screw driver can be detached in advance by placing the front end of the screwdriver in the detaching groove 10, then knocking the screwdriver by a hammer, and detaching the nut body 1 by a wrench after loosening.

The working principle is as follows: when the nut needs to be unloaded, firstly, the unloading plate 9 is installed in the installation groove 4, the sliding grooves 11 on two sides are aligned to the balls 8, then the two balls 8 are extruded towards the direction far away from each other firstly, the balls 8 extrude the guide block 7 again, the guide block 7 extrudes the spring 6 again, after the balls 8 enter the sliding grooves 11, the unloading plate 9 is pushed towards the installation groove 4, after one end of the unloading plate 9 is attached to the inner wall of the installation groove 4, the unloading operation can be carried out in advance, the front end of the screwdriver with the variable opening is placed in the unloading groove 10, then the screwdriver is knocked by a hammer, after the nut body 1 is loosened, the screwdriver can be detached by a wrench.

It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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 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. The utility model provides a nut with become tooth type check thread, includes nut body (1), its characterized in that: the nut is characterized in that a threaded inner ring (2) is arranged on the nut body (1), variable tooth-shaped grains (3) are arranged on the inner wall of the threaded inner ring (2), a plurality of mounting grooves (4) are formed in the nut body (1), a force unloading plate (9) is movably arranged in each mounting groove (4), force unloading grooves (10) are formed in two sides of the force unloading plate (9), and sliding grooves (11) are formed in two sides of the force unloading plate (9).

2. The nut with the variable-thread type check thread according to claim 1, wherein: the two sides of the mounting groove (4) are provided with grooves (5), the inner wall of one side of each groove (5) is fixedly provided with a spring (6), one end of each spring (6) close to the corresponding stress relief plate (9) is fixedly provided with a guide block (7), one side of each guide block (7) is movably provided with a ball (8), and the balls (8) are matched with the sliding grooves (11).

3. The nut with the variable-thread type check thread according to claim 1, wherein: the stress relief plate (9) is made of stainless steel.

4. The nut with the variable-thread type check thread according to claim 1, wherein: the length of the force unloading groove (10) is one centimeter, the width is three millimeters, and the depth is two millimeters.

5. The nut with the variable-thread type check thread according to claim 1, wherein: the depth of the mounting groove (4) is one point and five centimeters.

6. The nut with the variable-thread type check thread according to claim 1, wherein: the number of the mounting grooves (4) is two.