CN212509121U

CN212509121U - Expansion bolt with anti-loosening mechanism

Info

Publication number: CN212509121U
Application number: CN202020908901.1U
Authority: CN
Inventors: 邵远路
Original assignee: Suzhou Wood Metal Products Co ltd
Current assignee: Suzhou Wood Metal Products Co ltd
Priority date: 2020-05-26
Filing date: 2020-05-26
Publication date: 2021-02-09
Anticipated expiration: 2030-05-26

Abstract

The utility model discloses an expansion bolt with locking mechanism that moves, including collar, pipe box, crack, shank of bolt, connection cap and extrusion piece, the left side of collar is provided with 4 groups and consolidates the thorn, the left side of collar is provided with the pipe box, pipe box and collar formula structure as an organic whole, the gum cover has been cup jointed to the outer wall on pipe box right side, 4 groups of logical grooves have been seted up on the gum cover, the left outer wall of pipe box is provided with 4 groups of reinforcing plate, reinforcing plate and pipe box formula structure as an organic whole, the reinforcing plate passes logical groove, the outer wall of gum cover left end is provided with 2 groups of locking teeth, the outer wall of gum cover right-hand member is provided with 3 groups of locking rubber ring, locking tooth, locking rubber ring and rubber cover formula structure as an organic whole, 4 groups of cracking have been seted up to the left end of. The utility model discloses it is not hard up with rotating effectively to prevent that the pipe box from taking place for increase frictional force for it is more stable to install between holistic expansion bolts and the mounting hole, prevents effectively that expansion bolts from taking place not hard up.

Description

Expansion bolt with anti-loosening mechanism

Technical Field

The utility model relates to an expansion bolts technical field specifically is an expansion bolts with locking mechanism that moves.

Background

The expansion bolt is a special threaded connector for fixing a pipeline support/crane/bracket or equipment on a wall, a floor slab and a column, various expansion bolts are continuously emerged, the model is rich in variety, and meanwhile, the expansion bolt is widely applied in life, convenient to use and simple to operate and can play a good connecting role.

However, the existing expansion bolt usually screws out the bolt rod through rotation, so that the left end of the pipe sleeve is extruded by the extrusion block, the left end of the pipe sleeve is spread, the pipe sleeve is clamped into the mounting hole, the structure is single, no other anti-loosening structure is arranged, and loosening is easy to occur, and therefore, the expansion bolt with the anti-loosening mechanism is urgently needed to be provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an expansion bolts with locking mechanism that moves to current expansion bolts single structure who proposes in solving above-mentioned background art does not set up other locking structure that moves, takes place not hard up problem easily.

In order to achieve the above object, the utility model provides a following technical scheme: an expansion bolt with an anti-loosening mechanism comprises a mounting ring, a pipe sleeve, a slit, a bolt rod, a connecting cap and an extrusion block, wherein 4 groups of reinforcing thorns are arranged on the left side of the mounting ring, the pipe sleeve is arranged on the left side of the mounting ring, the pipe sleeve and the mounting ring are of an integrated structure, a rubber sleeve is sleeved on the outer wall on the right side of the pipe sleeve, 4 groups of through grooves are formed in the rubber sleeve, 4 groups of reinforcing sheets are arranged on the outer wall on the left side of the pipe sleeve, the reinforcing sheets and the pipe sleeve are of an integrated structure, the reinforcing sheets penetrate through the through grooves, 2 groups of anti-loosening teeth are arranged on the outer wall at the left end of the rubber sleeve, 3 groups of anti-loosening rubber rings are arranged on the outer wall at the right end of the rubber sleeve, the anti-loosening teeth, the anti-loosening rubber rings and the rubber sleeve are of an integrated structure, 4 groups of, the right end of the bolt rod is connected with a connecting cap through threads, the right end of the connecting cap is provided with a bolt cap block, and the left end of the bolt rod is fixedly connected with an extrusion block.

Preferably, every group locking tooth all is provided with 3, locking tooth's shape is arrow head form, and locking tooth's arrow head direction is left.

Preferably, the outer wall of the bolt rod is provided with external threads, and the inner wall of the right end of the pipe sleeve is provided with internal threads.

Preferably, the side wall of the extrusion block is a tapered curved surface, and the bottom of the extrusion block is provided with an arc-shaped edge.

Preferably, the outer wall cover of shank of bolt is equipped with the rubber circle, the both ends of rubber circle all fixedly connected with becket, the shape rugby shape of rubber circle, the bar groove has all been seted up on rubber circle and the becket, the outer wall of shank of bolt is provided with protruding stupefied, protruding stupefied being located bar inslot portion.

Preferably, the nut block is in a regular hexagon structure, a straight groove and a cross groove are formed in the side face of the nut block, a vertical groove of the cross groove is overlapped with the straight groove, and the depth of the cross groove is larger than that of the straight groove.

Compared with the prior art, the beneficial effects of the utility model are that: this expansion bolts with locking mechanism that moves adds at the outer wall of pipe box and is equipped with gum cover, reinforcement piece, locking tooth and locking rubber ring, and the inner wall that the reinforcement piece can imbed the mounting hole effectively prevents that the pipe box from taking place to rotate and not hard up, and locking tooth and locking rubber ring on gum cover and the gum cover can fill the gap between pipe box and the mounting hole to increase frictional force, make the installation more stable between holistic expansion bolts and the mounting hole, effectively prevent that expansion bolts from taking place not hard up.

The outer wall cover of shank of bolt is equipped with becket and rubber circle, and when extrusion piece extrusion pipe box left end, the rubber circle fills the seam of pipe box left end, has strengthened the stability of being connected between pipe box left end and the mounting hole, and locking effect increases.

The original screw sleeve locking mode is changed, the screw cap block, the straight strip groove and the cross groove are arranged, the mode of taking down the connecting cap is increased, the use is facilitated, and the practicability is enhanced.

Drawings

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

FIG. 2 is a schematic side view of the structure of the pipe sleeve, the rubber sleeve, the anti-slip teeth and the reinforcing plate of the present invention;

FIG. 3 is a schematic side view of the bolt bar, metal ring and rubber ring of the present invention;

fig. 4 is a schematic side view of the structure of the connection cap, the nut block, the straight groove and the cross groove of the present invention.

In the figure: 1. a mounting ring; 2. reinforcing the spines; 3. pipe sleeve; 4. a rubber sleeve; 5. a through groove; 6. a reinforcing sheet; 7. anti-loosening teeth; 8. a locking rubber ring; 9. slotting; 10. a bolt shank; 11. a connecting cap; 12. a nut block; 13. a straight groove; 14. a cross groove; 15. extruding the block; 16. an arc-shaped edge; 17. a metal ring; 18. a rubber ring; 19. convex edges; 20. and (4) anti-slip teeth.

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: an expansion bolt with an anti-loosening mechanism comprises a mounting ring 1, a pipe sleeve 3, a slit 9, a bolt rod 10, a connecting cap 11 and an extrusion block 15, wherein 4 groups of reinforcing thorns 2 are arranged on the left side of the mounting ring 1, the pipe sleeve 3 is arranged on the left side of the mounting ring 1, the pipe sleeve 3 and the mounting ring 1 are of an integrated structure, the production is convenient, through holes are formed in the mounting ring 1 and the pipe sleeve 3, internal threads are arranged on the inner wall of the through hole at the right end of the pipe sleeve 3, a rubber sleeve 4 is sleeved on the outer wall on the right side of the pipe sleeve 3, the friction force is increased by the rubber sleeve 4, the gap between the pipe sleeve 3 and the mounting hole is filled, the anti-loosening effect is enhanced, 4 groups of through grooves 5 are formed in the

rubber sleeve

4, 4 groups of reinforcing sheets 6 are arranged on the outer wall on the left side of the pipe sleeve 3, the reinforcing sheets 6 and the pipe sleeve 3 are of an integrated structure, the outer wall of the left end of the rubber sleeve 4 is provided with 2 groups of anti-loosening teeth 7, each group of anti-loosening teeth 7 is provided with 3, the anti-loosening teeth 7 are arrow-shaped, the arrow direction of the anti-loosening teeth 7 is towards the left, the anti-loosening teeth 7 can conveniently enter the mounting hole, the pipe sleeve 3 is not easy to pull out, the outer wall of the right end of the rubber sleeve 4 is provided with 3 groups of anti-loosening rubber rings 8, the anti-loosening teeth 7, the anti-loosening rubber rings 8 and the rubber sleeve 4 are of an integrated structure and are made of the same material, the production and the manufacture are more convenient, the left end of the pipe sleeve 3 is provided with 4 groups of slots 9, the left end of the pipe sleeve 3 can conveniently outwards unfold, the extreme end of the left end of the pipe sleeve 3 is provided with 4 groups of anti-slipping teeth 20, when the left end of the pipe sleeve 3 is squeezed open, the anti-slipping teeth 20 are completely embedded into the inner wall of the mounting hole, the stabilizing, so that the bolt shank 10 climbs inside the socket 3 during rotation of the bolt shank 10, and the right end of the bolt shank 10 is threadedly connected with a connection cap 11.

Connect the right-hand member of cap 11 to be provided with nut piece 12, the shape of nut piece 12 is the regular hexagon structure, it moves to facilitate the use hexagonal spanner or vice to twist, high durability and convenient operation, straight flute 13 and cross recess 14 have been seted up to the side of nut piece 12, can adopt two kinds of screwdrivers to twist to connect cap 11 to move, high durability and convenient operation, the dismouting mode increases, cross recess 14's perpendicular groove and straight flute 13 coincidence, cross recess 14's the degree of depth is greater than straight flute 13's degree of depth, straight flute 13 and cross recess 14 are independent each other, but straight flute 13 and cross recess 14 possess certain correlation again, design benefit, do not influence use each other simultaneously.

The left end fixedly connected with extrusion piece 15 of shank of bolt 10, the lateral wall of extrusion piece 15 is the tapering curved surface, when shank of bolt 10 climbs, shank of bolt 10 drives extrusion piece 15 and removes, the tapered extrusion piece 15 that has gets into pipe box 3 left end very conveniently, thereby make extrusion piece 15 get into the 3 left ends of pipe box, strut 3 left ends of pipe box, realize fixing, the bottom of extrusion piece 15 is provided with arc along 16, arc along 16 when the inner wall of 3 left ends of pipe box slides, it is smooth and easy to slide, can not cause the fish tail easily to the 3 inner walls of pipe box.

The outer wall cover of shank of bolt 10 is equipped with rubber circle 18, the both ends of rubber circle 18 are all fixedly connected with becket 17, the shape football shape of rubber circle 18, when extrusion piece 15 extrudees the 3 left ends of pipe box, rubber circle 18 fills the seam 9 of the 3 left ends of pipe box, the stability of being connected between 3 left ends of pipe box and the mounting hole has been strengthened, locking effect increases, becket 17 at rubber circle 18 both ends blocks respectively on the inner chamber of pipe box 3 and the tapering face of extrusion piece 15, avoid rubber circle 18 to drop, the bar groove has all been seted up on rubber circle 18 and becket 17, the outer wall of shank of bolt 10 is provided with protruding stupefied 19, protruding stupefied 19 is located the bar inslot, protruding stupefied 19 strengthens the spacing effect to becket 17 and rubber circle 18.

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 an expansion bolts with locking mechanism that moves, includes collar (1), pipe box (3), seam (9), shank of bolt (10), connecting cap (11) and extrusion piece (15), its characterized in that: the left side of the mounting ring (1) is provided with 4 groups of reinforcing thorns (2), the left side of the mounting ring (1) is provided with a pipe sleeve (3), the pipe sleeve (3) and the mounting ring (1) are of an integrated structure, the outer wall on the right side of the pipe sleeve (3) is sleeved with a rubber sleeve (4), the rubber sleeve (4) is provided with 4 groups of through grooves (5), the outer wall on the left side of the pipe sleeve (3) is provided with 4 groups of reinforcing sheets (6), the reinforcing sheets (6) and the pipe sleeve (3) are of an integrated structure, the reinforcing sheets (6) penetrate through the through grooves (5), the outer wall on the left end of the rubber sleeve (4) is provided with 2 groups of anti-loosening teeth (7), the outer wall on the right end of the rubber sleeve (4) is provided with 3 groups of anti-loosening rubber rings (8), the anti-loosening teeth (7), the rubber rings (8) and the rubber sleeve (4) are of an, the bolt is characterized in that 4 groups of anti-skidding teeth (20) are arranged at the end of the left end of the pipe sleeve (3), the bolt rod (10) penetrates through the pipe sleeve (3) and the mounting ring (1), the right end of the bolt rod (10) is connected with a connecting cap (11) through threads, a bolt cap block (12) is arranged at the right end of the connecting cap (11), and an extrusion block (15) is fixedly connected to the left end of the bolt rod (10).

2. An expansion bolt with a loosening prevention mechanism according to claim 1, wherein: every group locking tooth (7) all are provided with 3, the shape of locking tooth (7) is the arrow point form, and the arrow point direction of locking tooth (7) is left.

3. An expansion bolt with a loosening prevention mechanism according to claim 1, wherein: the outer wall of the bolt rod (10) is provided with external threads, and the inner wall of the right end of the pipe sleeve (3) is provided with internal threads.

4. An expansion bolt with a loosening prevention mechanism according to claim 1, wherein: the side wall of the extrusion block (15) is a taper curved surface, and an arc-shaped edge (16) is arranged at the bottom of the extrusion block (15).

5. An expansion bolt with a loosening prevention mechanism according to claim 1, wherein: the outer wall cover of shank of bolt (10) is equipped with rubber circle (18), the both ends of rubber circle (18) are fixedly connected with becket (17) all, the shape rugby shape of rubber circle (18), the bar groove has all been seted up on rubber circle (18) and becket (17), the outer wall of shank of bolt (10) is provided with protruding stupefied (19), protruding stupefied (19) are located bar inslot portion.

6. An expansion bolt with a loosening prevention mechanism according to claim 1, wherein: the nut block (12) is in a regular hexagon structure, a straight groove (13) and a cross groove (14) are formed in the side face of the nut block (12), a vertical groove of the cross groove (14) is overlapped with the straight groove (13), and the depth of the cross groove (14) is larger than that of the straight groove (13).