CN212106576U

CN212106576U - Threaded connection anti-loosening structure

Info

Publication number: CN212106576U
Application number: CN202020581030.7U
Authority: CN
Inventors: 盛涛
Original assignee: S&t Daewoo Kunshan Co ltd
Current assignee: S&t Daewoo Kunshan Co ltd
Priority date: 2020-04-18
Filing date: 2020-04-18
Publication date: 2020-12-08
Anticipated expiration: 2030-04-18

Abstract

The utility model discloses a threaded connection anti loosening structure, including outer lantern ring, the inboard cover of outer lantern ring is equipped with the interior lantern ring, the intermediate position department in the interior lantern ring outside evenly is provided with four group's through-holes, the inside of through-hole is provided with the connecting rod, the intermediate position department of the inside one side of outer lantern ring evenly is established the hinge and is had four group's connecting rods. The utility model discloses the device is through reinforced structure's mutually supporting, let the fixed block through second spring elasticity tighter more firm to the bolt pressfitting, and be provided with the mutual adaptation of thread groove on thread groove and the bolt on the fixed block, further improve fixed effect, set up through the interior lantern ring and avoid threaded connection department direct and ambient air to contact, thereby slow down the corruption, also play a guard action simultaneously, and then prevent that outside strength from colliding the junction and causing the junction not hard up, further improve the device's practicality.

Description

Threaded connection anti-loosening structure

Technical Field

The utility model relates to a threaded connection technical field specifically is a threaded connection anti loosening structure

Background

Bolt: mechanical parts, cylindrical threaded fasteners fitted with nuts; the fastener consists of a head part and a screw (a cylinder with external threads), and is matched with a nut and used for fastening and connecting two parts with through holes; this form of connection is called a bolted connection; if the nut is screwed off from the bolt, the two parts can be separated, so that the bolt connection belongs to detachable connection;

the threaded connection part of the existing bolt is easy to loosen after a long time, so a threaded connection anti-loosening structure is needed to prevent the threaded connection part from loosening, and the existing threaded connection anti-loosening device has the following defects; 1. most of the existing threaded connection anti-loosening devices are additionally provided with nuts at the outer sides of the connection parts for fixing, so that the fixing effect is poor; 2. the existing threaded connection anti-loosening device enables the threaded connection to be directly contacted with ambient air, so that the connection is easily corroded and rusted.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a threaded connection anti loosening structure to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a threaded connection anti-loosening structure comprises an outer sleeve ring, wherein an inner sleeve ring is sleeved on the inner side of the outer sleeve ring, four groups of through holes are uniformly formed in the middle position of the outer side of the inner sleeve ring, connecting rods are arranged inside the through holes, four groups of connecting rods are uniformly hinged in the middle position of one side inside the outer sleeve ring, one ends, far away from the outer sleeve ring, of the connecting rods are hinged to one ends of the connecting rods, a mounting plate is arranged at one end, far away from the connecting rods, of the connecting rods, a plurality of groups of fixing bins are uniformly arranged at the top and the bottom of one end, far away from the connecting rods, of the mounting bin, a fixing rod is arranged at one end, far away from the mounting plate, of the fixing bin is provided with a second spring, a rectangular fixing strip is arranged at, an inserting rod is arranged in the middle of one end of the outer sleeve and extends to the inside of the slot, and a first spring is sleeved on the outer side, located inside the outer sleeve, of the inserting rod.

Preferably, a fixing block is arranged at one end, located outside the fixing bin, of the fixing rod.

Preferably, the rectangular fixing strip is made of rubber.

Preferably, one end of the inserted bar, which is positioned outside the outer sleeve ring, is provided with a handle.

Preferably, one end of the fixing block, which is far away from the fixing rod, is provided with a thread groove.

Preferably, the mounting plate is formed of a semi-arc type structure.

Compared with the prior art, the beneficial effects of the utility model are that: the threaded connection anti-loosening structure enables the fixing block to be tighter and firmer in bolt pressing through the elasticity of the second spring through the mutual matching of the reinforcing structures, the thread groove arranged on the fixing block is matched with the thread groove on the bolt, the fixing effect is further improved, the threaded connection part is prevented from being directly contacted with ambient air through the arrangement of the inner sleeve ring, so that the corrosion is reduced, meanwhile, a protection effect is also achieved, further, the connection part is prevented from being loosened due to the fact that external force collides with the connection part, and the practicability of the device is further improved;

1. the connecting rod in the outer sleeve is driven to move by rotating the outer sleeve, so that the connecting rod is driven to move, then the fixing block is enabled to be tighter and firmer in bolt pressing through the elasticity of the second spring, the thread groove formed in the fixing block is matched with the thread groove formed in the bolt, the fixing effect is further improved, and then the nut is limited through the rectangular fixing strip on the mounting plate, so that the nut is prevented from shaking and deviating in the fixing process;

2. avoid threaded connection department direct and ambient air to contact, thereby slow down the corruption through the setting of the interior lantern ring, also play a guard action simultaneously, and then prevent that outside strength collision junction from causing the junction not hard up, further improve the device's practicality.

Drawings

Fig. 1 is a top cross-sectional view of the present invention;

fig. 2 is a top view of the present invention;

FIG. 3 is a front view of the present invention;

fig. 4 is an enlarged schematic view of the structure of fig. 1 according to the present invention.

In the figure: 1. an outer collar; 2. inserting a rod; 3. a first spring; 4. a slot; 5. fixing the rod; 6. fixing the bin; 7. a connecting rod; 8. a connecting rod; 9. mounting a plate; 10. an inner collar; 11. a through hole; 12. a second spring; 13. a fixed block; 14. a rectangular fixing strip.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: a threaded connection anti-loosening structure comprises an outer collar 1, an inner collar 10 is sleeved on the inner side of the outer collar 1, four groups of through holes 11 are uniformly formed in the middle position of the outer side of the inner collar 10, connecting rods 8 are arranged inside the through holes 11, four groups of connecting rods 7 are uniformly hinged in the middle position of one side inside the outer collar 1, one ends, far away from the outer collar 1, of the connecting rods 7 are hinged to one ends of the connecting rods 8, a mounting plate 9 is arranged at one end, far away from the connecting rods 7, of the connecting rods 8, a plurality of groups of fixing bins 6 are uniformly arranged at the top and the bottom of the mounting plate 9, far away from one end of each connecting rod 8, a fixing rod 5 is arranged at one end, far away from the mounting plate 9, of each fixing bin 5 and plays a fixing role, a second spring 12 is arranged at one end, far away from one end of each connecting rod 8, the middle position department of outer thimble 1 one end is provided with inserted bar 2, plays spacing effect, and inserted bar 2 extends to the inside of slot 4, and the outside cover that inserted bar 2 is located outer thimble 1 inside is equipped with first spring 3.

In this implementation, the one end that dead lever 5 is located fixed storehouse 6 outside is provided with fixed block 13, plays the fixed action, and rectangle fixed strip 14 comprises the rubber material, is convenient for increase friction, and the one end that inserted bar 2 is located outer lantern ring 1 outside is provided with the handle, and the one end that dead lever 5 was kept away from to fixed block 13 is provided with the thread groove, improves the fixed effect with the bolt, and mounting panel 9 comprises half arc type structure.

The working principle is as follows: firstly, the inserted link 2 is pulled to move the inserted link 2 out of the inside of the slot 4, the fixing of the outer lantern ring 1 is cancelled, then the outer collar 1 is rotated to drive the connecting rod 7 in the outer collar 1 to move, thereby driving the connecting rod 8 to move, then the fixing block 13 is pressed on the bolt more tightly and firmly through the elasticity of the second spring 12, the thread groove arranged on the fixing block 13 is matched with the thread groove on the bolt, the fixing effect is further improved, then the nut is limited through the rectangular fixing strip 14 on the mounting plate 9, the nut is prevented from shaking and deviating in the fixing process, meanwhile, the arrangement of the inner lantern ring 10 prevents the threaded connection part from directly contacting with the ambient air, thereby slowing down the corrosion and simultaneously playing a role in protection, thereby preventing the joint from loosening caused by external force colliding with the joint and further improving the practicability of the device.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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.

Claims

1. The utility model provides a threaded connection anti loosening structure, includes outer collar (1), its characterized in that: the inner side of the outer sleeve ring (1) is sleeved with an inner sleeve ring (10), four groups of through holes (11) are evenly arranged at the middle position of the outer side of the inner sleeve ring (10), connecting rods (8) are arranged in the through holes (11), four groups of connecting rods (7) are evenly hinged at the middle position of one side of the inner part of the outer sleeve ring (1), one end, away from the outer sleeve ring (1), of each connecting rod (7) is hinged with one end of each connecting rod (8), a mounting plate (9) is arranged at one end, away from the connecting rods (7), of each connecting rod (8) of each connecting rod (7), a plurality of groups of fixing bins (6) are evenly arranged at the top and the bottom of each fixing bin (9), a fixing rod (5) is arranged at one end, away from the mounting plate (9), of each fixing bin (6), a second spring (12) is arranged, the utility model discloses a spring mounting structure, including mounting panel (9), the intermediate position department of keeping away from connecting rod (8) one end is provided with rectangle fixed strip (14) mounting panel (9), the intermediate position department of interior lantern ring (10) one end is provided with multiunit slot (4), the intermediate position department of outer lantern ring (1) one end is provided with inserted bar (2), and inserted bar (2) extend to the inside of slot (4), the outside cover that inserted bar (2) are located outer lantern ring (1) inside is equipped with first spring (3).

2. A threaded connection loosening prevention structure as claimed in claim 1, wherein: and a fixed block (13) is arranged at one end of the fixed rod (5) positioned outside the fixed bin (6).

3. A threaded connection loosening prevention structure as claimed in claim 1, wherein: the rectangular fixing strip (14) is made of rubber.

4. A threaded connection loosening prevention structure as claimed in claim 1, wherein: and a handle is arranged at one end of the inserted bar (2) positioned outside the outer sleeve ring (1).

5. A threaded connection loosening prevention structure as claimed in claim 2, wherein: and a thread groove is formed in one end, far away from the fixing rod (5), of the fixing block (13).

6. A threaded connection loosening prevention structure as claimed in claim 1, wherein: the mounting plate (9) is formed by a semi-arc structure.