CN116292565A

CN116292565A - Thread anti-loosening method capable of effectively locking once and keeping fastening not loose for long time

Info

Publication number: CN116292565A
Application number: CN202111494260.5A
Authority: CN
Inventors: 请求不公布姓名
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-08
Filing date: 2021-12-08
Publication date: 2023-06-23

Abstract

The invention relates to a thread anti-loosening method capable of effectively locking once and keeping the fastening not loose for a long time. Is characterized by comprising a part A, a part B and a part C; the part A is provided with a thread-free rotating surface, left-handed threads or right-handed threads; the part B is provided with a thread-free rotating surface and threads with different rotation directions from the part B; part C, there are left-handed screw and right-handed screw at the same time; the same-rotation-direction threads in the threads of the part B, C are connected first, then the same-rotation-direction threads in the threads of the part A, C are connected, under the action of axial thrust generated by the thread transmission, the unthreaded rotating surfaces of the part A, B form tight fit to generate friction force, or the surfaces deform or the convex balls arranged on the surfaces sink into the concave grooves, the ribs sink into the grooves, the part A, B is bound together, and the parts cannot move relative to the part C as a whole. The screw connection product designed and manufactured according to the invention has the advantages of obtaining new technical effect, effectively locking at one time and keeping screw connection fastening not loose for a long time, having outstanding substantive characteristics and obvious progress in locking and anti-loose aspects, and having creativity.

Description

Thread anti-loosening method capable of effectively locking once and keeping fastening not loose for long time

Technical Field

The invention relates to the technical field of connecting pieces, in particular to a thread anti-loosening method capable of effectively locking once and keeping fastening loosening for a long time.

Background

The screw thread is the main tie of all hardware connection at present, and current screw thread connection is not fastened for a long time and will exist not hard up phenomenon, and screw thread connection is easy not hard up when receiving external force impact effect especially, causes equipment trouble. The prior anti-loosening method for threaded connection mainly uses a gasket or double nuts to tighten, so that the long-time anti-loosening requirement under the condition of continuous impact is difficult to meet, and the loosening condition often occurs.

When the requirement of fixing and locking parts is met on the shaft parts, if the pin scheme is adopted, the positions of pin holes on the shaft are relatively fixed, so that the requirement of axial position adjustment is not facilitated, if the screw is adopted to lock from the side, the screw is loosened under the vibration condition, and the parts which need to be fixed and locked are loosened.

Disclosure of Invention

In view of this, in order to overcome the above-mentioned shortcomings of the prior art, the present invention provides a thread anti-loosening method that can effectively lock once and keep the fastening from loosening for a long time, and the threaded connection can keep fastening for a long time and does not loosen after once locking.

In order to solve the technical problems, the technical scheme of the invention is as follows: a thread anti-loosening method for effectively locking at one time and keeping the fastening not loose for a long time, which is characterized by comprising the following steps:

-part a provided with a non-threaded rotation face, left-hand threads or right-hand threads, on which 0 or more balls, recesses, ribs, grooves can be provided, said non-threaded rotation face and threads being able to be arranged non-adjacently;

-a part B provided with a non-threaded rotation face, on which 0 or more balls, recesses, ribs, grooves can be provided, with threads of different sense of rotation than the part a, said non-threaded rotation face and threads being able to be arranged non-adjacently;

part C, provided with both left-hand and right-hand threads, said threads being able to be provided non-adjacently;

the screw thread of the part B is connected with the screw thread of the part C in the same rotation direction, the part B is screwed until the part B reaches a designated position on the part C, then the part A is screwed in, the screw thread of the part A is connected with the screw thread of the part C in the same rotation direction, under the action of axial thrust generated by screw transmission, the unthreaded rotating surface of the part A and the unthreaded rotating surface of the part B form tight fit to generate friction force, or the surface of the surface is deformed or a convex ball arranged on the surface is sunk, ribs are sunk into grooves to prevent relative movement between the part A and the part B, the part B is screwed in until the part B is not screwed, and the part A and the part B are bound together by the unthreaded rotating surface.

According to the design disclosed by the invention, the manufactured thread fastening and anti-loosening product has the new technical effects of effectively locking at one time and keeping the thread connection to be fastened and not loosened for a long time, and the threads with different rotation directions are bound into a whole by friction or obstacle, so that the threads are effectively restrained and not loosened, and the thread fastening and anti-loosening product has outstanding substantive characteristics and remarkable progress in the aspects of fastening and preventing the thread connection from loosening, and has creativity.

Preferably, the above-mentioned thread locking method capable of effectively locking at one time and keeping the fastening not loose for a long time, wherein the unthreaded rotating surface of the part a can be a cylindrical surface, a round table surface or a hemispherical surface.

Preferably, the above-mentioned thread locking method for one-time effective locking and long-term holding fastening without loosening, wherein the unthreaded rotating surface of the part a and the thread of the part a can be disposed not coaxially.

Preferably, the above-mentioned thread locking method for one-time effective locking and long-term holding fastening without loosening, wherein the external shape of the unthreaded rotating face section of the part a can be different from the external shape of the threaded section of the part a.

Preferably, in the above-mentioned thread locking method for effectively locking once and keeping the fastening not loose for a long time, the unthreaded rotating surface section of the part a can be provided with 0 or more open grooves in a radial direction perpendicular to the unthreaded rotating surface.

Preferably, the above-mentioned thread locking method capable of effectively locking at one time and keeping the fastening not loose for a long time, wherein one end face of the part a can be configured as a closed end face.

Preferably, the above-mentioned thread anti-loosening method capable of effectively locking at one time and keeping the fastening not loose for a long time can be provided with grooves, depressions, convex balls and ribs on the unthreaded rotating surface of the part A.

Preferably, the above-mentioned thread locking method capable of effectively locking at one time and keeping the fastening not loose for a long time, wherein the unthreaded rotating surface of the part B can be a cylindrical surface, a round table surface or a hemispherical surface.

Preferably, the above-mentioned thread locking method for one-time effective locking and long-term holding fastening without loosening, wherein the unthreaded rotating surface of the part B and the thread of the part B can be disposed not coaxially.

Preferably, the above-mentioned thread locking method for one-time effective locking and long-term holding fastening without loosening, wherein the external shape of the unthreaded rotating face section of the part B can be different from the external shape of the threaded section of the part B.

Preferably, in the above-mentioned thread locking method for effectively locking once and keeping the fastening not loose for a long time, the unthreaded rotating surface section of the part B can be provided with 0 or more open grooves in a radial direction perpendicular to the unthreaded rotating surface.

Preferably, the above-mentioned thread locking method capable of effectively locking at one time and keeping the fastening not loose for a long time, wherein one end face of the part B can be configured as a closed end face.

Preferably, the above-mentioned thread anti-loosening method capable of effectively locking at one time and keeping the fastening not loose for a long time can be provided with grooves, depressions, convex balls and ribs on the unthreaded rotating surface of the part B.

Preferably, the above-mentioned thread locking method capable of effectively locking at one time and keeping the fastening not loose for a long time, wherein the two different rotation direction threads of the part C can be disposed differently.

Preferably, the above-mentioned thread locking method capable of effectively locking at one time and keeping the fastening not loose for a long time, wherein the two different rotation direction threads of the part C can not be adjacently disposed.

Compared with the prior art, the invention has the technical effects that: the structure is simple, the manufacturing process is simple, the manufacturing cost is low, threads with different rotation directions are bound into a whole by friction or barriers to effectively restrict each other, the locking and fastening cannot be loosened, and the screw connection can be effectively locked once and kept loose for a long time.

Drawings

Fig. 1: an assembly structure schematic diagram of embodiment 1 of the present invention;

fig. 2: an assembled exploded perspective view of embodiment 1 of the present invention;

fig. 3: a schematic cross-sectional structure of embodiment 1 of the present invention assembled in a planar position passing through an axis;

fig. 4: a schematic cross-sectional structure of part a of embodiment 1 of the present invention in a planar position passing through the axis;

fig. 5: schematic cross-sectional structure of part B of embodiment 1 of the present invention in a planar position through the axis;

fig. 6: a schematic structural view of part C of embodiment 1 of the present invention;

fig. 7: an assembly structure schematic diagram of embodiment 2 of the present invention;

fig. 8: a schematic cross-sectional structure of embodiment 2 of the present invention assembled in a planar position passing through an axis;

fig. 9: an assembled exploded perspective view of embodiment 2 of the present invention.

Description of the reference numerals

A … part A, nut

B … part B, nut (screw thread opposite to the above part A)

C … part C provided with both left-handed and right-handed threads

1 … axis of thread 2 of part A, axis of unthreaded face 3 of part A

2 … part A screw thread

Screwless rotary surface of 3 … part a

4 … axis of the thread 6 of part B, axis of the unthreaded rotating face 5 of part B

Screwless rotary face of 5 … part B

6 … part B screw thread

Screw thread of 7 … part C

8 … part C has a thread with a different sense of rotation than part C thread 7

D … work piece of example 2 secured by locking

Detailed Description

The following detailed description of the invention is provided in connection with the accompanying drawings to facilitate understanding and grasping of the technical scheme of the invention.

Example 1 as follows

A thread anti-loosening method for one-time effective locking and long-term keeping of fastening without loosening, in this embodiment, as shown in fig. 1, it comprises:

part a provided with a non-threaded rotation face 3, right-handed threads 2;

part B provided with a non-threaded rotation face 5, left-hand threads 6;

part C, provided with both left-hand threads 8 and right-hand threads 7;

the right-hand thread 7 of the part C passes through the left thread 6 of the part B, then the left-hand thread 8 of the part C is connected with the left thread 6 of the part B, the part A is screwed after the part B is screwed to a designated position on the part C, the right-hand thread 2 of the part A is connected with the right-hand thread 7 of the part C, and then under the axial thrust action generated by the right-hand thread transmission, the unthreaded rotating surface 3 of the part A and the unthreaded rotating surface 5 of the part B form tight fit to generate friction force, and the part A is screwed continuously until the part A is not screwed, and the part A and the part B are bound together by the friction force generated between the unthreaded rotating surfaces of the part A and the part B.

Example 2 as follows

As shown in fig. 7, 8 and 9, the structure and principle of the present embodiment are basically similar to those of the above embodiment 1, a left-handed thread 8 and a right-handed thread 7 are provided on a part C, a right-handed thread 2 is provided on a part a, a left-handed thread 6 is provided on a part B, a non-threaded rotating surface 3 is provided on a part a, a non-threaded rotating surface 5 is provided on a part B, the non-threaded rotating surface 3 of the part a and the non-threaded rotating surface 5 of the part B form a tight fit to generate friction force, so that the part a and the part B are bound together, and meanwhile, the parts a and the part B are mutually restricted and cannot move as a whole relative to the part C due to opposite screw directions of the part a and the part B, the part a and the part B are bound into a whole, so that the part D is locked on the part C, and a long-time locking state can be kept; the difference is that: part C is a shaft-like part, and a workpiece D to be locked and fastened is between part a and part B, and the position where the workpiece D is locked can be adjusted.

Of course, the above is only a typical example of the invention, and other embodiments of the invention are also possible, and all technical solutions formed by equivalent substitution or equivalent transformation fall within the scope of the invention claimed.

Claims

1. A thread anti-loosening method for effectively locking at one time and keeping the fastening not loose for a long time, which is characterized by comprising the following steps:

-part B provided with a non-threaded rotation face, on which 0 or more balls, recesses, ribs, grooves can be provided, with threads of different sense of rotation than part a, said non-threaded rotation face and threads being able to be arranged non-adjacently;

part C, provided with both left-hand and right-hand threads, which can be provided non-adjacently;

the screw thread of the part B is connected with the screw thread of the part C in the same rotation direction, the screw thread of the part A is connected with the screw thread of the part C in the other same rotation direction, under the action of axial thrust generated by screw transmission, the unthreaded rotating surface of the part A and the unthreaded rotating surface of the part B form tight fit to generate friction force, or the surface deformation or convex ball arranged on the surface is sunk in a sunk groove, the ribs are sunk in a groove, the part A and the part B are bound together, and the part A and the part B cannot move relative to the part C as a whole due to the fact that the screw directions of the screw threads of the part A and the part B are opposite to each other.

2. A thread locking method for one-time effective locking and long-term keeping fastening loosening-free according to claim 1, characterized in that 0 or more open grooves can be provided in the radial direction perpendicular to the unthreaded rotating face section of part a or part B for adjusting the tightening force between the unthreaded rotating face section of part a and the unthreaded rotating face section of part B.

3. A method of preventing loosening of threads for one-time positive locking and long term retention of fastener loosening as claimed in any one of claims 1 to 2, wherein said unthreaded rotating face of part a and said threads are made separately and assembled and secured together.

4. A method of preventing loosening of threads for a single effective tightening and long term retention of tightening as claimed in any one of claims 1 to 3, wherein said unthreaded rotating face of part B and said threads are made separately and assembled and secured together.