CN216519092U

CN216519092U - Low-abrasion-degree bolt connecting piece

Info

Publication number: CN216519092U
Application number: CN202123364598.7U
Authority: CN
Inventors: 王德晓
Original assignee: Qingdao Dexing Rigging Co ltd
Current assignee: Qingdao Dexing Rigging Co ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-05-13
Anticipated expiration: 2031-12-29

Abstract

The utility model discloses a low-abrasion bolt connecting piece which comprises a bolt main body, wherein the top end of the bolt main body is fixedly connected with an end head, and the bottom end of the end head is fixedly connected with a second connecting plate. This low-abrasion bolted connection spare is through being provided with the abrasion pad, first connecting plate, second connecting plate and pressure spring, abrasion pad and first connecting plate set up the outside at the bolt main part, first connecting plate can increase the area of contact with the object and make the bolt main part wider with the contact surface of object, the contact surface that increases the bolt main part object can improve the stress intensity, be provided with pressure spring between first connecting plate and second connecting plate, pressure spring can provide certain packing force in advance for first connecting block and second connecting block, reach and compress tightly locking effect, it can increase the life of first connecting plate to set up the abrasion pad, it is little to solve the stress area, the intensity that compresses tightly makes the not hard up problem of bolt not hard up inadequately easily.

Description

Low-abrasion-degree bolt connecting piece

Technical Field

The utility model relates to the technical field of bolts, in particular to a low-abrasion bolt connecting piece.

Background

Bolts are quite common in daily life, the bolts are usually installed and fixed on some objects through rotation and friction, the bolts can be used in different places according to needs, bolt connecting pieces are also needed in some large-scale equipment, so that when the components are connected by using the low-abrasion bolt connecting pieces, the stress area is small, and the bolts are easy to loosen due to insufficient compression strength; the end is not effectively protected, and the end is easily damaged; the bolt is inconvenient to install and disassemble and use. Low-wear bolted connections are now being improved upon in view of the problems set forth above.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a low-abrasion bolt connecting piece to solve the problems that the prior art has small stress area and insufficient compression strength and easily loosens bolts.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a low wearing and tearing bolted connection spare, includes the bolt main part, the top fixedly connected with end of bolt main part, the bottom fixedly connected with second connecting plate of end, the bottom of second connecting plate is provided with first connecting plate, the bottom fixedly connected with wear pad of first connecting plate, fixedly connected with pressure spring between first connecting plate and the second connecting plate, the top of second connecting plate is provided with the protecting crust, the both sides fixedly connected with installation piece of protecting crust.

Preferably, the wear pad and the first connecting plate are movably sleeved outside the bolt body, and the compression spring is movably sleeved on the top end of the outside of the bolt body.

Preferably, the protective shell sets up the outside of end, the spacing groove has been seted up to the inside both sides of installation piece and second connecting plate, the top of installation piece is provided with the arm-tie, the bottom fixedly connected with gag lever post of arm-tie, the spacing spring of fixedly connected with between installation piece and the arm-tie.

Preferably, the limiting rod is embedded in the limiting groove, and the limiting rod and the limiting groove are matched with each other.

Preferably, the mounting blocks are arranged in two groups, and the mounting blocks are symmetrically distributed about the vertical center line of the protective shell.

Preferably, the top end of the end is fixedly connected with a first fixing block, the top end of the inside of the first fixing block is fixedly connected with a second fixing block, a cross-shaped groove is formed in the inside of the second fixing block, the outside of the first fixing block is pentagonal, and the outside of the second fixing block is hexagonal.

Compared with the prior art, the utility model has the beneficial effects that: the low-abrasion bolt connecting piece not only realizes the increase of the stress area and the improvement of the compression strength, realizes the protection of the end head, but also realizes the convenient disassembly of the bolt main body;

(1) the wear-resistant pad, the first connecting plate, the second connecting plate and the compression spring are arranged, the wear-resistant pad and the first connecting plate are arranged outside the bolt main body, the first connecting plate can increase the contact area with an object to enable the contact surface of the bolt main body and the object to be wider, the contact surface of the bolt main body object can be increased to improve the stress intensity, the compression spring is arranged between the first connecting plate and the second connecting plate, the compression spring can provide certain pre-pressing force for the first connecting block and the second connecting block to achieve the effect of compression and looseness prevention, the wear-resistant pad at the bottom end of the first connecting plate can increase the wear-resistant and anti-slip effects of the first connecting plate, and the service life of the first connecting plate can be prolonged by arranging the wear-resistant pad;

(2) the mounting block, the pulling plate, the limiting spring, the limiting rod and the limiting groove are arranged, the pulling plate is pulled after the bolt main body is screwed into the object, the pulling plate drives the limiting rod to ascend, after the limiting rod ascends to a certain position, the protective shell is placed outside the end head, so that the limiting groove inside the mounting block is aligned with the limiting groove inside the second connecting plate, the pulling plate is loosened after the limiting groove is aligned, the limiting spring at the bottom end of the pulling plate enables the limiting rod to rebound to the inside of the limiting groove through the elasticity of the limiting spring to fix the mounting block, and the protective shell can be mounted outside the end head to protect the end head by fixing the mounting block;

(3) through being provided with first fixed block, second fixed block and cross recess, can use the spanner to twist and move first fixed block when needing to install bolt main part and dismantling and make first fixed block drive bolt main part through the end and rotate, bolt main part rotates and then can install or dismantle bolt main part, it can use different tubular spanner to set up first fixed block and second fixed block, then can insert the inside of cross recess to the screwdriver when not having the spanner, the screwdriver rotates the screwdriver and makes the end drive bolt main part rotate after inserting the inside of cross recess, set up first fixed block, second fixed block and cross recess can make things convenient for bolt main part to dismantle the change, the flexibility of bolt main part can be improved.

Drawings

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

FIG. 2 is a schematic top view of the tip of the present invention;

FIG. 3 is an enlarged front view of the first connecting plate according to the present invention;

FIG. 4 is an enlarged partial cross-sectional view taken at A in FIG. 1 according to the present invention.

In the figure: 1. a bolt body; 2. a wear pad; 3. a first connecting plate; 4. a second connecting plate; 5. mounting blocks; 6. a protective shell; 7. a tip; 8. a compression spring; 9. a first fixed block; 10. a second fixed block; 11. a cross-shaped groove; 12. pulling a plate; 13. a limiting spring; 14. a limiting rod; 15. a limiting groove.

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.

Example 1: referring to fig. 1-4, a low-abrasion bolt connector comprises a bolt main body 1, wherein the top end of the bolt main body 1 is fixedly connected with an end 7, the bottom end of the end 7 is fixedly connected with a second connecting plate 4, the bottom end of the second connecting plate 4 is provided with a first connecting plate 3, the bottom end of the first connecting plate 3 is fixedly connected with a wear pad 2, a compression spring 8 is fixedly connected between the first connecting plate 3 and the second connecting plate 4, the top end of the second connecting plate 4 is provided with a protective shell 6, and two sides of the protective shell 6 are fixedly connected with mounting blocks 5;

the wear-resistant pad 2 and the first connecting plate 3 are movably sleeved outside the bolt main body 1, and the compression spring 8 is movably sleeved at the top end of the outside of the bolt main body 1;

specifically, as shown in fig. 1 and 3, the wear pad 2 and the first connecting plate 3 are disposed outside the bolt body 1, the first connecting plate 3 can increase the contact area with the object to make the contact surface between the bolt body 1 and the object wider, the contact surface with the object of the bolt body 1 can be increased to improve the stress intensity, a compression spring 8 is disposed between the first connecting plate 3 and the second connecting plate 4, the compression spring 8 can provide a certain pre-pressing force for the first connecting block and the second connecting block, the effect of pressing and preventing looseness is achieved, the wear pad 2 at the bottom end of the first connecting plate 3 can increase the wear-resistant and anti-slip effect of the first connecting plate 3, and the wear pad 2 can prolong the service life of the first connecting plate 3.

Example 2: the protective shell 6 is arranged outside the end socket 7, limiting grooves 15 are formed in two sides of the inner portion of the mounting block 5 and the inner portion of the second connecting plate 4, a pulling plate 12 is arranged at the top end of the mounting block 5, a limiting rod 14 is fixedly connected to the bottom end of the pulling plate 12, a limiting spring 13 is fixedly connected between the mounting block 5 and the pulling plate 12, the limiting rod 14 is embedded in the limiting grooves 15, the limiting rod 14 and the limiting grooves 15 are matched with each other, two groups of mounting blocks 5 are arranged, and the mounting blocks 5 are symmetrically distributed about a vertical center line of the protective shell 6;

specifically, as shown in fig. 1 and 4, the bolt body 1 is screwed into the inside of an object and then pulls the pulling plate 12, the pulling plate 12 drives the limiting rod 14 to ascend, after the limiting rod 14 ascends to a certain position, the protective shell 6 is placed outside the end head 7, so that the limiting groove 15 inside the mounting block 5 is aligned with the limiting groove 15 inside the second connecting plate 4, the pulling plate 12 is loosened after the limiting groove 15 is aligned, the limiting spring 13 at the bottom end of the pulling plate 12 enables the limiting rod 14 to rebound to the inside of the limiting groove 15 through elasticity of the limiting spring 13 to fix the mounting block 5, and the protective shell 6 can be mounted outside the end head 7 to protect the end head 7 by fixing the mounting block 5.

Example 3: the top end of the end 7 is fixedly connected with a first fixed block 9, the top end inside the first fixed block 9 is fixedly connected with a second fixed block 10, a cross-shaped groove 11 is formed inside the second fixed block 10, the outer part of the first fixed block 9 is pentagonal, and the outer part of the second fixed block 10 is hexagonal;

specifically, as shown in fig. 1 and 2, when the bolt body 1 needs to be installed and disassembled, the first fixing block 9 can be screwed by using a wrench to drive the first fixing block 9 to drive the bolt body 1 to rotate through the end 7, the bolt body 1 can be installed or disassembled by rotating the bolt body 1, different pipe type wrenches can be used by arranging the first fixing block 9 and the second fixing block 10, when the wrench is not used, the screwdriver can be inserted into the inside of the cross-shaped groove 11, the screwdriver is rotated after being inserted into the inside of the cross-shaped groove 11 to drive the end 7 to drive the bolt body 1 to rotate, the first fixing block 9 is arranged, the second fixing block 10 and the cross-shaped groove 11 can be convenient for the bolt body 1 to be detached and replaced, and the flexibility of the bolt body 1 can be improved.

The working principle is as follows: when the anti-loosening bolt is used, the wear-resisting pad 2 and the first connecting plate 3 are arranged outside the bolt main body 1, the first connecting plate 3 can increase the contact area with an object to enable the contact surface of the bolt main body 1 and the object to be wider, the contact surface of the object of the bolt main body 1 can be increased to improve the stress strength, the compression spring 8 is arranged between the first connecting plate 3 and the second connecting plate 4, the compression spring 8 can provide certain pre-compression force for the first connecting block and the second connecting block to achieve the effect of loosening and compression, the wear-resisting pad 2 at the bottom end of the first connecting plate 3 can increase the wear-resisting and anti-skidding effects of the first connecting plate 3, the service life of the first connecting plate 3 can be prolonged by arranging the wear-resisting pad 2, the pull plate 12 is pulled after the bolt main body 1 is screwed into the object, the pull plate 12 drives the limiting rod 14 to ascend, and after the limiting rod 14 ascends to a certain position, the protective shell 6 is placed outside the end head 7 to enable the limiting groove 15 in the mounting block 5 and the limiting groove 15 in the second connecting plate 4 The limiting grooves 15 are aligned, the pulling plate 12 is loosened after the limiting grooves 15 are aligned, the limiting spring 13 at the bottom end of the pulling plate 12 enables the limiting rod 14 to rebound to the inside of the limiting grooves 15 through the elasticity of the limiting spring 13 to fix the mounting block 5, the protective shell 6 can be mounted on the outside of the end 7 to protect the end 7 through fixing the mounting block 5, when the bolt body 1 needs to be mounted and dismounted, a wrench can be used for screwing the first fixing block 9 to enable the first fixing block 9 to drive the bolt body 1 to rotate through the end 7, the bolt body 1 can be mounted or dismounted through rotating the bolt body 1, different tubular wrenches can be used for arranging the first fixing block 9 and the second fixing block 10, when no cross wrench is available, a screwdriver can be inserted into the inside of the cross groove 11, and the screwdriver is rotated to enable the end 7 to drive the bolt body 1 to rotate after being inserted into the inside of the cross groove 11, the first fixing block 9, the second fixing block 10 and the cross-shaped groove 11 are arranged, so that the bolt main body 1 can be conveniently detached and replaced, and the flexibility of the bolt main body 1 can be improved.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes 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.

Claims

1. A low-abrasion bolt connection member, comprising a bolt main body (1), characterized in that: the bolt comprises a bolt body (1) and is characterized in that the top end of the bolt body (1) is fixedly connected with an end (7), the bottom end of the end (7) is fixedly connected with a second connecting plate (4), the bottom end of the second connecting plate (4) is provided with a first connecting plate (3), the bottom end of the first connecting plate (3) is fixedly connected with a wear-resistant pad (2), a compression spring (8) is fixedly connected between the first connecting plate (3) and the second connecting plate (4), the top end of the second connecting plate (4) is provided with a protective shell (6), and two sides of the protective shell (6) are fixedly connected with mounting blocks (5).

2. A low-wear bolted connection according to claim 1, characterized in that: the wear-resistant pad (2) and the first connecting plate (3) are movably sleeved outside the bolt main body (1), and the compression spring (8) is movably sleeved on the top end of the bolt main body (1).

3. A low-wear bolted connection according to claim 1, characterized in that: protective housing (6) sets up the outside of end (7), spacing groove (15) have been seted up to the inside both sides of installation piece (5) and second connecting plate (4), the top of installation piece (5) is provided with arm-tie (12), the bottom fixedly connected with gag lever post (14) of arm-tie (12), fixedly connected with spacing spring (13) between installation piece (5) and arm-tie (12).

4. A low-wear bolted connection according to claim 3, characterized in that: the limiting rod (14) is embedded in the limiting groove (15), and the limiting rod (14) is matched with the limiting groove (15).

5. A low-wear bolted connection according to claim 3, characterized in that: the mounting blocks (5) are arranged in two groups, and the mounting blocks (5) are symmetrically distributed relative to the vertical center line of the protective shell (6).

6. A low-wear bolted connection according to claim 1, characterized in that: the utility model discloses a quick-witted fixed block, including first fixed block (9) of top fixedly connected with of end (7), the inside top fixedly connected with second fixed block (10) of first fixed block (9), cross recess (11) have been seted up to the inside of second fixed block (10), the outside of first fixed block (9) is the pentagon, the outside of second fixed block (10) is the hexagon.