CN210830099U

CN210830099U - Detachable check bolt

Info

Publication number: CN210830099U
Application number: CN201921722283.5U
Authority: CN
Inventors: 杨大泓; 吴明然; 马益华
Original assignee: Shanghai Detroit Precision Fastener Co Ltd
Current assignee: Shanghai Detroit Precision Fastener Co Ltd
Priority date: 2019-10-15
Filing date: 2019-10-15
Publication date: 2020-06-23
Anticipated expiration: 2029-10-15

Abstract

The utility model discloses a detachable check bolt, including main part, nut, first anti loosening structure and second anti loosening structure, the lower extreme surface of main part is provided with the threaded rod, the left and right sides of threaded rod is provided with two first recesses, and two first recess is close to in the bottom of threaded rod, the threaded rod sets up a through-hole that runs through its front and back side in the top of two first recesses, pass through threaded connection between nut and the threaded rod, the lower extreme surface of nut is close to its both sides department and is provided with two second recesses, first anti loosening structure passes through-hole and threaded rod fixed connection, second anti loosening structure installs in the left and right sides of threaded rod through first recess, just the top of second anti loosening structure is connected with the second recess block on nut lower extreme surface. The utility model discloses when having stronger locking effect, be convenient for dismantle the nut to the holistic practicality of bolt that has improved.

Description

Detachable check bolt

Technical Field

The utility model relates to a bolt field specifically is a detachable check bolt.

Background

The bolt has many names, and everyone's name may all be different, and someone is called the screw, and someone is called the bolt nail, and someone is called the fastener, though so many names, the meaning is all the same, all is the bolt. The bolt is a general term of a fastener, the bolt is a tool for fastening machine parts of an object step by utilizing the physics and mathematical principles of the inclined plane circular rotation and the friction of the object, the bolt is generally matched with a nut for use, and in some larger machines, the bolt is easy to loosen and fall off due to the fact that the bolt is likely to be vibrated in the daily use process, so that the anti-loosening bolt is provided.

However, most of the conventional check bolts are permanently undetachable bolts or need to be disassembled by using special tools, so that the work of repairing or moving large-sized machines is inconvenient in daily work, and the practicability is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a detachable check bolt to solve traditional check bolt and be most for permanent non-detachable bolt or need use specialized tool to dismantle it, lead to being not convenient for maintain or move work such as large-scale machine among the daily work, the lower problem of practicality.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a detachable check bolt, includes main part, nut, first anti loosening structure and second anti loosening structure, the lower terminal surface of main part is provided with the threaded rod, the left and right sides of threaded rod is provided with two first recesses, and two first recess is close to in the bottom of threaded rod, the threaded rod sets up a through-hole that runs through its front and back side in the top of two first recesses, pass through threaded connection between nut and the threaded rod, the lower terminal surface of nut is close to its both sides department and is provided with two second recesses, the side all around of nut all is provided with the third recess, first anti loosening structure passes through-hole and threaded rod fixed connection, second anti loosening structure installs in the left and right sides of threaded rod through first recess, just the top of second anti loosening structure is connected with the second recess block on nut lower terminal surface.

Preferably, first anti loosening structure includes flexible post, gag lever post and locking plate, flexible post is provided with the gag lever post in the one side that is close to its bottom, the one end that the gag lever post was kept away from in flexible post is provided with the external screw thread, the gag lever post is provided with the one end through-hole that the threaded rod bottom was run through to the external screw thread, just the gag lever post is provided with the nut that matches with it in external screw thread department, the locking plate is the L type, the bottom of locking plate and the flexible fixed connection of flexible post, the inside of locking plate is provided with bellied fixture block, the fixture block matches with the third recess, the locking plate passes through the block of fixture block and third recess and the side laminating contact of nut for can carry out preliminary locking work through first anti loosening structure to nut and threaded rod's connection.

Preferably, both sides of the anti-loosening plate are provided with limiting plates matched with the peripheral side faces of the nut, so that the nut is convenient to limit.

Preferably, second anti loosening structure is provided with two sets ofly, second anti loosening structure includes first card post, spring and second card post, first card post is horizontal setting, just first card post is connected with the first recess phase-match block of threaded rod bottom, the bottom of spring and the one side edge fixed connection of keeping away from the threaded rod of first card post, the top fixed connection of second card post and spring, the second card post is connected with the second recess phase-match block on nut lower extreme surface for can carry out further locking work through second anti loosening structure to being connected of nut and threaded rod.

Preferably, flexible post, gag lever post, locking plate, limiting plate, first card post and second card post all adopt alloy material to make, have improved the holistic intensity of first anti loosening structure and second anti loosening structure.

Preferably, the inside of spring is provided with the flexible connecting rod that adopts alloy material to make for be convenient for carry out spacing work to being connected nut and threaded rod.

The utility model provides a detachable check bolt possesses following beneficial effect:

the utility model is provided with a first anti-loose structure and a second anti-loose structure, which comprises a telescopic column, a limiting rod, an anti-loose plate, a limiting plate, a first clamping column, a spring and a second clamping column, so that after the nut is connected with the threaded rod to fasten the whole bolt, the anti-loose plate can be clamped with a third groove around the nut through a clamping block, the anti-loose plate and the nut are temporarily fixed, then the limiting rod penetrates through a through hole at the bottom of the threaded rod and is connected with one end of the limiting rod provided with external threads through the nut, the connection between the limiting rod and the threaded rod is fixed, the limiting plates at both sides of the anti-loose plate are jointed and connected with the two adjacent sides of the nut, the connection between the nut and the threaded rod can be limited, thereby achieving the preliminary anti-loose effect, then the spring is manually pressed down, the first clamping column is clamped with the first groove, when the second clamping column moves to the lower part of the second groove along with the clamping connection of the first clamping column and the first groove, the spring is loosened, the second clamping column can be clamped with the second groove, and then the left and right limiting work is carried out between the first clamping column and the second clamping column through the telescopic connecting rod inside the spring, so that the connection between the nut and the threaded rod can be further limited, further anti-loosening effect is achieved, the subsequent disassembling work of the nut is convenient, a special tool is not needed during disassembling, the first clamping column is moved out of the first groove after the spring is manually pressed down, the second anti-loosening structure can be disassembled, then the nut is separated from the limiting rod, the limiting rod is drawn out, the first anti-loosening structure can be disassembled, finally the nut is rotated down through a common wrench, the whole disassembling work can be completed, and the daily maintenance or moving work and the like of a large-scale machine is greatly facilitated, the practicability is improved.

Drawings

Fig. 1 is a schematic view of the threaded rod structure of the present invention;

FIG. 2 is a schematic view of the overall structure of the present invention;

FIG. 3 is a schematic view of the installation of the stop lever of the present invention;

FIG. 4 is a schematic diagram of the position of the fixture block of the present invention;

fig. 5 is a schematic diagram of a second groove position according to the present invention;

fig. 6 is an enlarged schematic view of the position a of the present invention.

In the figure: 1. a main body; 2. a nut; 3. a threaded rod; 4. a first groove; 5. a through hole; 6. a second groove; 7. a third groove; 8. a telescopic column; 9. a limiting rod; 10. an anti-loosening plate; 11. a nut; 12. a clamping block; 13. a limiting plate; 14. a first clamp post; 15. a spring; 16. a second clamping column; 17. a telescopic connecting rod.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in fig. 1-6, the utility model provides a technical solution: a detachable anti-loose bolt comprises a main body 1, a nut 2, a first anti-loose structure and a second anti-loose structure, a threaded rod 3 is arranged on the lower end surface of the main body 1, two first grooves 4 are arranged on the left side and the right side of the threaded rod 3, the two first grooves 4 are close to the bottom end of the threaded rod 3, the threaded rod 3 is provided with a through hole 5 which penetrates through the front side and the rear side of the two first grooves 4, the nut 2 is connected with the threaded rod 3 through threads, two second grooves 6 are arranged on the lower end surface of the nut 2 close to the two sides of the nut, the peripheral side surfaces of the nut 2 are respectively provided with a third groove 7, the first anti-loosening structure is fixedly connected with the threaded rod 3 through a through hole 5, the second anti-loosening structure is arranged at the left side and the right side of the threaded rod 3 through the first groove 4, and the top of the second anti-loosening structure is clamped and connected with the second groove 6 on the lower end surface of the nut 2.

The first anti-loosening structure comprises a telescopic column 8, a limiting rod 9 and an anti-loosening plate 10, wherein the limiting rod 9 is arranged on one side of the telescopic column 8 close to the bottom end of the telescopic column, an external thread is arranged at one end, far away from the telescopic column 8, of the limiting rod 9, the limiting rod 9 is provided with a through hole 5, the end of the external thread penetrates through the bottom of the threaded rod 3, a nut 11 matched with the limiting rod 9 is arranged at the external thread position of the limiting rod 9, the anti-loosening plate 10 is L-shaped, the bottom of the anti-loosening plate 10 is fixedly connected with the telescopic end of the telescopic column 8, a raised clamping block 12 is arranged inside the anti-loosening plate 10, the clamping block 12 is matched with the third groove 7, the anti-loosening plate 10 is in fit contact with the side face of the nut 2 through the clamping of the clamping block 12 and the third groove 7, so that after the nut 2 is integrally fastened through connection with the threaded rod 3, the anti-loosening plate 10 can be clamped with the, the anti-loosening plate 10 and the nut 2 are temporarily fixed, then the limiting rod 9 penetrates through the through hole 5 in the bottom of the threaded rod 3, and is connected with one end, provided with external threads, of the limiting rod 9 through the nut 11, and the connection between the limiting rod 9 and the threaded rod 3 is fixed;

the two sides of the anti-loosening plate 10 are respectively provided with the limiting plates 13 matched with the peripheral sides of the nut 2, so that the limiting plates 13 on the two sides of the anti-loosening plate 10 are attached to the two adjacent sides of the nut 2, the connection between the nut 2 and the threaded rod 3 can be limited, and a primary anti-loosening effect is achieved;

the second anti-loose structure is provided with two groups, the second anti-loose structure comprises a first clamping column 14, a spring 15 and a second clamping column 16, the first clamping column 14 is transversely arranged, the first clamping column 14 is in matched clamping connection with a first groove 4 at the bottom of a threaded rod 3, the bottom of the spring 15 is fixedly connected with one side edge of the first clamping column 14, which is far away from the threaded rod 3, the second clamping column 16 is fixedly connected with the top of the spring 15, the second clamping column 16 is in matched clamping connection with a second groove 6 on the lower end surface of a nut 2, so that the spring 15 can be manually pressed down, the first clamping column 14 is clamped with the first groove 4, when the second clamping column 16 moves to the lower part of the second groove 6 along with the clamping connection of the first clamping column 14 and the first groove 4, the spring 15 is loosened, the second clamping column 16 can be clamped with the second groove 6, and then a telescopic connecting rod 17 inside the spring 15 is used for limiting the left and right between the first clamping column 14 and the second clamping column 16 The screw 2 and the threaded rod 3 can be further limited during working, and further anti-loosening effect is achieved;

the telescopic column 8, the limiting rod 9, the anti-loose plate 10, the limiting plate 13, the first clamping column 14 and the second clamping column 16 are all made of alloy materials, so that the connection strength between each part of the first anti-loose structure and each part of the second anti-loose structure is improved;

the inside of spring 15 is provided with the flexible connecting rod 17 that adopts the alloy material to make, has avoided first card post 14 and second card post 16 to appear misplacing and can't carry out spacing work's the condition to nut 2.

The working principle is as follows: after the nut 2 is connected with the threaded rod 3 to fasten the whole bolt, the anti-loose plate 10 can be clamped with the third groove 7 around the nut 2 through the clamping block 12, the anti-loose plate 10 and the nut 2 are temporarily fixed, then the limiting rod 9 penetrates through the through hole 5 at the bottom of the threaded rod 3 and is connected with one end of the limiting rod 9 provided with external threads through the nut 11, the connection between the limiting rod 9 and the threaded rod 3 is fixed, at the moment, the limiting plates 13 at two sides of the anti-loose plate 10 are attached and connected with two adjacent sides of the nut 2, the connection between the nut 2 and the threaded rod 3 can be limited, so that a preliminary anti-loose effect is achieved, then the spring 15 is manually pressed down firstly, the first clamping column 14 is clamped with the first groove 4, when the second clamping column 16 moves to the lower part of the second groove 6 along with the clamping connection between the first clamping column 14 and the first groove 4, loosen spring 15, can make second calorie of post 16 and second recess 6 block mutually, spacing work about going on between rethread spring 15 inside telescopic link 17 to first calorie of post 14 and second calorie of post 16, can be further spacing that goes on being connected of screw 2 and threaded rod 3, then play further locking effect, make follow-up being convenient for carry out dismantlement work to nut 2 simultaneously, and need not use specialized tool when dismantling, only need artifically push down spring 15 after, shift out first recess 4 with first calorie of post 14 again, can dismantle second anti loosening structure, then separate nut 11 and gag lever post 9, take gag lever post 9 out, can dismantle first anti loosening structure, whole dismantlement work can be accomplished with nut 2 through spanner commonly used at last.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a detachable check bolt, includes main part (1), nut (2), first anti loosening structure and second anti loosening structure, its characterized in that: a threaded rod (3) is arranged on the surface of the lower end of the main body (1), two first grooves (4) are arranged on the left side and the right side of the threaded rod (3), the two first grooves (4) are close to the bottom end of the threaded rod (3), a through hole (5) penetrating through the front side and the rear side of the threaded rod (3) is arranged above the two first grooves (4), the nut (2) is connected with the threaded rod (3) through threads, two second grooves (6) are arranged on the lower end surface of the nut (2) close to the two sides of the nut, the peripheral side surfaces of the nut (2) are provided with third grooves (7), the first anti-loosening structure is fixedly connected with the threaded rod (3) through a through hole (5), the second anti-loosening structure is arranged on the left side and the right side of the threaded rod (3) through the first groove (4), and the top of the second anti-loosening structure is clamped and connected with a second groove (6) on the lower end surface of the nut (2).

2. A removable lockbolt as claimed in claim 1, wherein: the first anti-loosening structure comprises a telescopic column (8), a limiting rod (9) and an anti-loosening plate (10), a limit rod (9) is arranged on one side of the telescopic column (8) close to the bottom end thereof, an external thread is arranged at one end of the limiting rod (9) far away from the telescopic column (8), the limiting rod (9) is provided with a through hole (5) with one end of an external thread penetrating the bottom of the threaded rod (3), and the outer thread of the limiting rod (9) is provided with a nut (11) matched with the limiting rod, the anti-loosening plate (10) is L-shaped, the bottom of the anti-loosening plate (10) is fixedly connected with the telescopic end of the telescopic column (8), a convex clamping block (12) is arranged inside the anti-loosening plate (10), the clamping block (12) is matched with the third groove (7), the anti-loosening plate (10) is in fit contact with the side face of the nut (2) through clamping of the clamping block (12) and the third groove (7).

3. A removable lockbolt as claimed in claim 2, wherein: and limiting plates (13) matched with the peripheral side surfaces of the nuts (2) are arranged on two sides of the anti-loosening plate (10).

4. A removable lockbolt as claimed in claim 1, wherein: second anti loosening structure is provided with two sets ofly, second anti loosening structure includes first calorie of post (14), spring (15) and second card post (16), first calorie of post (14) is horizontal setting, just first calorie of post (14) is connected with first recess (4) phase-match block of threaded rod (3) bottom, the bottom of spring (15) and a side edge department fixed connection who keeps away from threaded rod (3) of first calorie of post (14), the top fixed connection of second calorie of post (16) and spring (15), second card post (16) is connected with second recess (6) phase-match block of nut (2) lower extreme surface.

5. A removable lockbolt as claimed in claim 2, wherein: the telescopic column (8), the limiting rod (9), the anti-loosening plate (10), the limiting plate (13), the first clamping column (14) and the second clamping column (16) are all made of alloy materials.

6. A removable lockbolt as claimed in claim 4, wherein: and a telescopic connecting rod (17) made of alloy materials is arranged in the spring (15).