CN217873685U

CN217873685U - Double-bolt-head bolt of anti-skid thread

Info

Publication number: CN217873685U
Application number: CN202222299482.8U
Authority: CN
Inventors: 宋思明
Original assignee: Chongqing Chichen Hardware Products Co ltd
Current assignee: Chongqing Chichen Hardware Products Co ltd
Priority date: 2022-08-31
Filing date: 2022-08-31
Publication date: 2022-11-22
Anticipated expiration: 2032-08-31

Abstract

The utility model discloses a two stud head bolts of antiskid silk relates to stud technical field. The double-bolt-head bolt comprises a bolt body and an anti-slip mechanism, wherein a nut and an anti-slip sleeve are arranged on the bolt body, a hollow rod is welded and installed at the bottom of the bolt body, the bottom of the nut and the top of the anti-slip sleeve are fixedly installed, the anti-slip mechanism comprises a driving assembly and a limiting assembly which are arranged on the hollow rod, and the driving assembly is connected with the limiting assembly. This double-bolt head bolt of anti-skidding silk uses through the cooperation of L shaped plate, slide bar, adapter sleeve, spring, cavity board, fixed plate and fixture block, can stop the back in the nut rotation, and the elasticity of spring makes the fixture block inseparabler card go into the inside of draw-in groove to will carry on spacingly to the nut, solve the bolt because of the long-time vibration of external load or the problem that material high temperature creep etc. caused the bolt skidding silk.

Description

Double-bolt-head bolt of anti-skid thread

Technical Field

The utility model relates to a stud technical field, in particular to two stud head bolts.

Background

The most commonly used form of the stud is that both ends have screw threads, the middle is the polished rod, mainly apply to the main part and need to install the annex for large-scale equipment, and the great ordinary bolt that uses of connector thickness can't realize, will use the stud, because the annex is often dismantled, the double-screw bolt of current part is after long-time use, the screw thread is easy to be worn out or damaged, lead to the appearance of phenomenon of smooth silk, make the nut drop very easily, thereby the joint strength of annex with equipment has been reduced, for example the patent of publication number CN210423352U, wherein mainly the bolt can part use with this user demand that satisfies different places, but this kind of mode can't increase joint strength.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a two bolt head bolts of anti-skidding silk can solve the problem that the above background art provided.

In order to achieve the above object, the utility model provides a following technical scheme: the double-bolt-head bolt comprises a bolt body and an anti-slip mechanism, wherein a nut and an anti-slip sleeve are arranged on the bolt body, a hollow rod is welded and installed at the bottom of the bolt body, the bottom of the nut and the top of the anti-slip sleeve are fixedly installed, the anti-slip mechanism comprises a driving assembly and a limiting assembly which are arranged on the hollow rod, the driving assembly is connected with the limiting assembly, and the driving assembly can drive the limiting assembly to move transversely relative to the hollow rod.

Preferably, the outer wall of the hollow rod is in contact with the inner wall of the anti-slip sleeve, so that the nut is limited through the anti-slip sleeve conveniently.

Preferably, the driving assembly comprises an L-shaped plate, a sliding rod, a connecting sleeve and a spring, the connecting sleeve is fixedly sleeved on the outer wall of the sliding rod, the rear side of the connecting sleeve is fixedly connected with the inner wall of the rear side of the hollow rod, the spring is inserted into the outer wall of the sliding rod, and one end of the spring is fixedly connected with the outer wall of one side of the connecting sleeve;

spacing subassembly includes well hollow plate and fixed plate, the top of L shaped plate and the bottom fixed connection of well hollow plate, the other end of spring and one side outer wall fixed connection of well hollow plate, the bottom of fixed plate and the top fixed connection of well hollow plate solve the bolt because of the long-time vibration of external load or the problem that material high temperature creep etc. caused the smooth silk of bolt, avoid influencing the normal work of equipment, reduced the incidence of accident.

Preferably, the nut is provided with a thread groove matched with the bolt body, and the nut and the hollow rod are installed in a threaded mode, so that the accessory can be conveniently installed on equipment by a worker, the accessory assembling and disassembling time is shortened, and the working efficiency is improved.

Preferably, four sets of openings and four sets of openings are all seted up to the both sides of well cavity pole and are vertical symmetric distribution, and the fixture block of being convenient for passes the inside that the opening entered into the draw-in groove, can ensure joint strength to improve the installation effect.

Preferably, the one side of well cavity pole is seted up with L shaped plate assorted opening, and the inner wall of opening contacts with the outer wall of L shaped plate, and the top of L shaped plate contacts with the bottom of antiskid cover, and the staff of being convenient for drives well cavity board through the L shaped plate and removes.

Preferably, a clamping groove is formed in the inner wall of one side of the anti-skidding sleeve, the clamping block is installed in the clamping groove in a clamped mode, the outer wall of the other side of the hollow plate penetrates through the opening and is fixedly connected with the outer wall of one side of the clamping block, the nut can be fixed and limited, and the safety of equipment during operation is improved.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) This anti-skidding screw's two bolt head bolts uses through the cooperation of bolt body, nut, cavity pole and antiskid cover, and the staff of being convenient for installs the annex on equipment, has reduced the dismouting time of annex, has improved work efficiency, and clearance between the stud forms the waist, can ensure joint strength when the annex under the great condition of connector thickness to improve the installation effect.

(2) This double-bolt head bolt of antiskid thread, through the L shaped plate, the slide bar, the adapter sleeve, a spring, the cavity board, the cooperation of fixed plate and fixture block is used, can be after the nut rotation stops, the elasticity of spring makes the fixture block inseparabler card go into the inside of draw-in groove, thereby will carry on spacingly to the nut, solve the bolt because of the long-time vibration of external load or the problem that material high temperature creep etc. caused the bolt thread, avoid influencing the normal work of equipment, the incidence of accident has been reduced, the security when having improved equipment operation.

Drawings

The invention will be further described with reference to the following figures and examples:

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

FIG. 2 is an enlarged view of part A of the present invention;

FIG. 3 is an enlarged view of the portion B of the present invention;

fig. 4 is a front view of the present invention.

Reference numerals are as follows: 1. a bolt body; 2. a nut; 3. a hollow shaft; 4. an anti-slip sleeve; 5. an anti-slip mechanism; 51. a drive assembly; 511. an L-shaped plate; 512. a slide bar; 513. connecting sleeves; 514. a spring; 52. a limiting component; 521. a hollow plate; 522. a fixing plate; 523. and (7) clamping blocks.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a double-bolt head bolt of anti-skidding silk, includes bolt body 1 and anti-skidding mechanism 5, is provided with nut 2 and antiskid cover 4 on the bolt body 1, and hollow rod 3 is installed in the bottom welding of bolt body 1, and the bottom of nut 2 and the top fixed mounting of antiskid cover 4, and anti-skidding mechanism 5 is including setting up drive assembly 51 and spacing subassembly 52 on hollow rod 3, and drive assembly 51 is connected with spacing subassembly 52, and drive assembly 51 can drive spacing subassembly 52 and carry out lateral shifting for hollow rod 3.

Further, the outer wall of the hollow rod 3 is in contact with the inner wall of the anti-slip sleeve 4.

Furthermore, the driving component 51 comprises an L-shaped plate 511, a sliding rod 512, a connecting sleeve 513 and a spring 514, the connecting sleeve 513 is fixedly sleeved on the outer wall of the sliding rod 512, the rear side of the connecting sleeve 513 is fixedly connected with the inner wall of the rear side of the hollow rod 3, the spring 514 is inserted in the outer wall of the sliding rod 512, one end of the spring 514 is fixedly connected with the outer wall of one side of the connecting sleeve 513, the limiting component 52 comprises a hollow plate 521 and a fixing plate 522, the top of the L-shaped plate 511 is fixedly connected with the bottom of the hollow plate 521, the other end of the spring 514 is fixedly connected with the outer wall of one side of the hollow plate 521, the bottom of the fixing plate 522 is fixedly connected with the top of the hollow plate 521, one side of the hollow rod 3 is provided with a through hole matched with the L-shaped plate 511, the inner wall of the through hole is in contact with the outer wall of the L-shaped plate 511, the top of the L-shaped plate 511 is in contact with the bottom of the anti-skid sleeve 4, and one side of the anti-skid sleeve 4 is provided with a clamping groove, the clamping block 523 is clamped and installed in the clamping groove, the outer wall of the other side of the hollow plate 521 penetrates through the opening and is fixedly connected with the outer wall of one side of the clamping block 523, a worker screws one end of the bolt body 1 into the connecting body, then installs the accessory, screws one end of the bolt body into the nut 2 and the anti-slip sleeve 4, then pulls the two groups of L-shaped plates 511 to move backwards, the two groups of L-shaped plates 511 drive the two groups of hollow plates 521 to move backwards, the two groups of hollow plates 521 drive the other two groups of hollow plates 521 to move backwards through the fixing plate 522, the four groups of hollow plates 521 respectively drive the four groups of clamping blocks 523 to move transversely until the four groups of clamping blocks 523 are clamped into the four groups of clamping grooves, meanwhile, the four groups of clamping blocks 523 can be clamped with the four groups of clamping grooves more firmly through the elasticity of the four groups of springs 514, and the clamping blocks 523 can be clamped into the clamping groove more tightly through the elasticity of the springs after the rotation of the nut 2 is stopped, thereby will carry on spacingly to nut 2, solve the bolt and lead to the fact the smooth problem of silk of bolt because of the long-time vibration of external load or material high temperature creep etc..

Still further, nut 2 is last to be seted up with bolt body 1 assorted thread groove, nut 2 and the installation of cavity pole 3 screw thread.

Secondly, four groups of openings are formed in two sides of the hollow rod 3 and are vertically and symmetrically distributed.

The working principle is as follows: the worker twists one end of the bolt body 1 into the connector, then installs the accessory, and twists one end into the nut 2 and the anti-slip sleeve 4, then pulls the two sets of L-shaped plates 511 to move backwards, the two sets of L-shaped plates 511 drive the two sets of hollow plates 521 to move backwards, the two sets of hollow plates 521 drive the other two sets of hollow plates 521 to move backwards through the fixing plate 522, the four sets of hollow plates 521 respectively drive the four sets of fixture blocks 523 to move transversely until the four sets of fixture blocks 523 are clamped into the four sets of clamping grooves, and meanwhile, the elasticity of the four sets of springs 514 can drive the four sets of fixture blocks 523 to be clamped with the four sets of clamping grooves more firmly.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. The utility model provides a two bolt head bolts of antiskid silk which characterized in that includes:

the bolt comprises a bolt body (1), wherein a nut (2) and an anti-skidding sleeve (4) are arranged on the bolt body (1), a hollow rod (3) is welded and installed at the bottom of the bolt body (1), and the bottom of the nut (2) and the top of the anti-skidding sleeve (4) are fixedly installed;

the anti-skid mechanism (5) comprises a driving component (51) and a limiting component (52) which are arranged on the hollow rod (3), the driving component (51) is connected with the limiting component (52), and the driving component (51) can drive the limiting component (52) to move transversely relative to the hollow rod (3).

2. A non-slip double bolt head bolt according to claim 1, wherein: the outer wall of the hollow rod (3) is in contact with the inner wall of the anti-slip sleeve (4).

3. A non-slip double bolt head bolt according to claim 2, wherein: the driving assembly (51) comprises an L-shaped plate (511), a sliding rod (512), a connecting sleeve (513) and a spring (514), the connecting sleeve (513) is fixedly sleeved on the outer wall of the sliding rod (512), the rear side of the connecting sleeve (513) is fixedly connected with the inner wall of the rear side of the hollow rod (3), the spring (514) is inserted into the outer wall of the sliding rod (512), and one end of the spring (514) is fixedly connected with the outer wall of one side of the connecting sleeve (513);

the limiting assembly (52) comprises a hollow plate (521) and a fixing plate (522), the top of the L-shaped plate (511) is fixedly connected with the bottom of the hollow plate (521), the other end of the spring (514) is fixedly connected with the outer wall of one side of the hollow plate (521), and the bottom of the fixing plate (522) is fixedly connected with the top of the hollow plate (521).

4. A double bolt head bolt of a kind of antiskid thread according to claim 3, characterized in that: the nut (2) is provided with a thread groove matched with the bolt body (1), and the nut (2) and the hollow rod (3) are installed in a threaded mode.

5. A double stud head bolt of antiskid silk according to claim 4, characterized by: four groups of openings are arranged on two sides of the hollow rod (3) and are vertically and symmetrically distributed.

6. A non-slip double bolt head bolt according to claim 5, wherein: one side of the hollow rod (3) is provided with a through hole matched with the L-shaped plate (511), the inner wall of the through hole is in contact with the outer wall of the L-shaped plate (511), and the top of the L-shaped plate (511) is in contact with the bottom of the anti-skidding sleeve (4).

7. A non-slip double bolt head bolt according to claim 6, wherein: the anti-skidding sleeve is characterized in that a clamping groove is formed in the inner wall of one side of the anti-skidding sleeve (4), the clamping block (523) is installed in the clamping groove in a clamped mode, and the outer wall of the other side of the hollow plate (521) penetrates through the opening and is fixedly connected with the outer wall of one side of the clamping block (523).