CN220337258U

CN220337258U - Thread self-locking structure

Info

Publication number: CN220337258U
Application number: CN202321834058.7U
Authority: CN
Inventors: 王叶平; 袁冬林; 张斌; 蔡云华
Original assignee: SHANGHAI SOLID STAINLESS STEEL PRODUCTS CO Ltd
Current assignee: SHANGHAI SOLID STAINLESS STEEL PRODUCTS CO Ltd
Priority date: 2023-07-13
Filing date: 2023-07-13
Publication date: 2024-01-12
Anticipated expiration: 2033-07-13

Abstract

The utility model discloses a thread self-locking structure, which comprises a device body, wherein the device body comprises a knob and a cover, the cover is of a cylindrical structure and is of a hollow structure, and the knob is arranged in the cover; the knob is in a cylindrical structure, a round bump is arranged at the bottom of the knob, and an external thread block is arranged on the surface of the knob; the bottom inside the lid has offered circular arc recess and auto-lock hole, circular arc recess is the radian form structure, the auto-lock hole is located in the circular arc recess. The device can effectively improve the stability after connection, can prevent the falling-off condition after connection between components, and further ensures the stability of the thread self-locking structure.

Description

Thread self-locking structure

Technical Field

The utility model relates to the technical field of nut locking, in particular to a thread self-locking structure.

Background

The thread self-locking is a thread which realizes the automatic screw locking function through the lever principle. The screw thread locking device adopts a specially designed mechanical principle and has screw thread locking and self-locking functions. .

The existing thread self-locking structure has the following defects:

the stability of the existing thread self-locking structure after locking is insufficient, the condition that the component is separated easily after locking occurs, and the stability of the thread self-locking structure is further affected.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides the thread self-locking structure, which solves the technical problem that the stability of the existing thread self-locking structure is insufficient after locking, avoids the condition that the assembly is easy to separate after locking, and ensures the stability of the thread self-locking structure.

(II) technical scheme

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the screw thread self-locking structure comprises a device body, wherein the device body comprises a knob and a cover, the cover is of a cylindrical structure and is of a hollow structure, and the knob is arranged in the cover;

preferably, the knob is in a cylindrical structure, a round bump is arranged at the bottom of the knob, and an external thread block is arranged on the surface of the knob;

preferably, the bottom end inside the cover is provided with an arc groove and a self-locking hole, the arc groove is of an arc structure, and the self-locking hole is positioned in the arc groove.

Preferably, the cover is internally provided with a plurality of sets of internal threads.

Preferably, the top of the cover is provided with a plurality of groups of circular grooves, and the groups of circular grooves are distributed in a column-shaped equidistant mode.

(III) beneficial effects

The utility model provides a thread self-locking structure. The beneficial effects are as follows:

the thread self-locking structure can effectively improve the stability after connection, can prevent the falling off condition after connection between components, further ensures the stability of the thread self-locking structure, and has the advantages of simple structural design, convenient processing, simplicity, practicability and concise and attractive appearance.

Drawings

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

FIG. 2 is a schematic view of the structure of the cap of the present utility model;

fig. 3 is a schematic view of the structure of the knob of the present utility model.

In the figure, 1, a device body; 2. a knob; 3. a cover; 4. round protruding points; 5. self-locking holes; 6. an external thread block; 7. arc grooves; 8. an internal thread; 9. circular grooves.

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. 1-3, the embodiment of the utility model provides a technical scheme: the self-locking structure comprises a device body 1, wherein the device body 1 comprises a knob 2 and a cover 3, the cover 3 is of a cylindrical structure and is of a hollow structure, and the knob 2 is arranged in the cover 3;

the knob 2 is in a cylindrical structure, a round bump 4 is arranged at the bottom of the knob 2, and an external thread block 6 is arranged on the surface of the knob 2;

the circular arc groove 7 and the self-locking hole 5 have been seted up to the inside bottom of lid 3, circular arc groove 7 is radian form structure, from lockhole 5 is located circular arc groove 7, and the staff is with knob 2 screw in lid 3 in, and the circular bump 4 of knob 2 bottom is along the circular recess 9 screw in of lid 3, with the help of the elasticity of circular arc groove 9 structure, circular bump 4 screw in from lockhole 4 in, makes its locking screw thread not separate.

The inside of lid 3 is equipped with a plurality of internal screw thread 8 of group, and internal screw thread 8 in the lid 3 can cooperate with the external screw thread piece 6 of knob 2 to reach the inseparable purpose of connection.

A plurality of groups of circular grooves 9 are formed in the top of the cover 3, the circular grooves 9 are distributed in a column-shaped equidistant mode, and the circular grooves 9 in the cover 3 are used for facilitating insertion of the knob 2, so that the shape of the knob 2 is attached, and the installation stability is improved.

Working principle: during operation, a worker screws the knob 2 into the cover 3, the round protruding points 4 at the bottom of the knob 2 are screwed into the circular groove 9 of the cover 3, and the round protruding points 4 are screwed into the self-locking holes 4 by means of elasticity of the circular groove 9 structure, so that locking threads of the round protruding points are not separated.

The utility model relates to a device body, in particular to a device body; 2. a knob; 3. a cover; 4. round protruding points; 5. self-locking holes; 6. an external thread block; 7. arc grooves; 8. an internal thread; 9. the utility model solves the problems that the existing thread self-locking structure is insufficient in stability after locking, the component is easy to break away after locking, and the stability of the thread self-locking structure is further affected.

While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. A thread self-locking structure is characterized in that: the device comprises a device body (1), wherein the device body (1) comprises a knob (2) and a cover (3), the cover (3) is of a cylindrical structure and is of a hollow structure, and the knob (2) is arranged in the cover (3);

the knob (2) is of a cylindrical structure, a round bump (4) is arranged at the bottom of the knob (2), and an external thread block (6) is arranged on the surface of the knob (2);

the novel anti-theft cover is characterized in that an arc groove (7) and a self-locking hole (5) are formed in the bottom end of the cover (3), the arc groove (7) is of an arc structure, and the self-locking hole (5) is located in the arc groove (7).

2. A thread self-locking structure as claimed in claim 1, wherein: the cover (3) is internally provided with a plurality of groups of internal threads (8).

3. A thread self-locking structure as claimed in claim 1, wherein: a plurality of groups of circular grooves (9) are formed in the top of the cover (3), and the groups of circular grooves (9) are distributed in a column-shaped equidistant mode.