CN218953753U

CN218953753U - Expansion bolt convenient to use

Info

Publication number: CN218953753U
Application number: CN202222922787.XU
Authority: CN
Inventors: 刘超军; 朱重庆
Original assignee: EAGLE METALWARE CO LTD
Current assignee: EAGLE METALWARE CO LTD
Priority date: 2022-11-03
Filing date: 2022-11-03
Publication date: 2023-05-02
Anticipated expiration: 2032-11-03

Abstract

The application discloses use convenient expansion bolts relates to bolt technical field, including bull stick and fixed knot constructs, fixed knot constructs including expansion structure and carousel, the upper surface of carousel with the lower surface fixed connection of bull stick, the lateral surface of carousel rotates and is connected with the bolt housing, just the bull stick sets up in the interior appearance chamber of bolt housing, the interior appearance chamber fixedly connected with atress piece on bolt housing top, the bull stick is kept away from the one end of carousel passes the atress piece back fixedly connected with knob, expansion structure sets up the lower surface of carousel, expansion structure includes connecting block and arc piece, the one end of connecting block pass through rivet second with arc piece activity riveting, the other end of connecting block pass through rivet first with the activity of carousel is riveted; the convenience of the expansion bolt in use can be improved through the cooperation of the structure.

Description

Expansion bolt convenient to use

Technical Field

The utility model belongs to the technical field of bolts, and particularly relates to an expansion bolt convenient to use.

Background

At present, the expansion screw bolt is mainly used for the key construction parts needing anchoring in the foundation construction and interior finishing engineering of buildings, traffic and the like, but a part of engineering belongs to temporary installation and fixation, the expansion screw bolt needs to be removed after the function is finished, the ordinary expansion screw bolt is difficult to thoroughly remove after being installed, and particularly after temporary facilities on a road are removed, the situation that the bolt head and the expansion pipe are exposed outside is dangerous, and the vehicle tire is easy to puncture is provided, so that the expansion screw bolt convenient to use is provided.

Disclosure of Invention

The utility model aims at: in order to improve the convenience when this expansion bolts uses, this application provides one kind and uses convenient expansion bolts.

The technical scheme adopted by the utility model is as follows:

the utility model provides a use convenient expansion bolts, includes bull stick and fixed knot constructs, fixed knot constructs including expansion structure and carousel, the upper surface of carousel with the lower fixed surface of bull stick is connected, the lateral surface of carousel rotates and is connected with the bolt housing, just the bull stick sets up in the inside appearance chamber of bolt housing, the inside appearance chamber fixedly connected with atress piece on bolt housing top, the bull stick is kept away from the one end of carousel passes fixedly connected with knob behind the atress piece, expansion structure includes connecting block and arc piece, the one end of connecting block pass through rivet second with arc piece activity riveting, the other end of connecting block pass through rivet first with carousel activity riveting.

Through adopting above-mentioned technical scheme, after embedding the bolt housing in the wall body, can make the bull stick drive carousel rotate through rotating the knob, and pivoted carousel can carry out slight rotation through a riveting piece drive connecting block, the connecting block under the motion can be through the slight rotation of second drive arc piece of riveting piece, so that a plurality of arc piece can outwards all scatter in the wall body, offset with the inner wall of wall body trompil department, so that fix the bolt housing on the wall body, and when rotating the knob opposite direction, can make the arc piece inwards shrink under the cooperation of riveting piece one, riveting piece two and connecting block, and then conveniently take out the bolt housing from the wall body, convenience when using can be improved through the cooperation of above structure.

Optionally, one end of the knob away from the rotating rod movably penetrates through the top wall of the bolt housing and then extends to the outside, and the outer surface of one end of the knob close to the rotating rod is rotationally connected with the inner wall of the bolt housing.

Through adopting above-mentioned technical scheme, when beating the knob and making the bolt housing nail go into in the wall, the atress piece can carry out spacing atress to the knob, prevents that the knob from sliding into the inner wall of bolt housing after the atress, and the atress piece after the atress can drive the bolt housing and get into inside the wall body.

Optionally, the top end outer wall of the bolt housing is provided with.

By adopting the technical scheme, when the expansion bolt is nailed into the hole on the original wall again, the lug can be aligned with the dent on the inner wall of the hole of the wall, and then the knob can be rotated leftwards or rightwards according to the direction of the thread, so that the expansion bolt is fixed again.

Optionally, the outer wall of the lower end of the bolt housing is fixedly connected with a bump.

Optionally, the lug is a plurality of, and a plurality of the lug is annular equidistant the setting in the lower extreme surface of bolt housing.

Through adopting above-mentioned technical scheme, when driving into the wall with the bolt housing, the lug can draw a section of dent in the inner wall of punching into the hole, when expansion bolts is pulled out the back, need again when punching into the hole that originally was beaten with expansion bolts, can make the lug aim at the dent of wall body trompil department inner wall to more convenient when driving into the wall body inside again with the bolt housing, reduce the destruction to the wall body inside.

Optionally, the first riveting piece, the second riveting piece, the connecting block and the arc-shaped block are the same in number.

Through adopting above-mentioned technical scheme, the connecting block cooperation of a plurality of riveting piece one, riveting piece two can drive a plurality of arc piece and scatter in the wall body to support the inner wall in hole and fix.

Optionally, the expansion structure is disposed on a lower surface of the turntable.

In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:

1. according to the expansion bolt, after the bolt shell is embedded into the wall, the rotary rod can drive the rotary plate to rotate through rotating the knob, the rotating rotary plate can drive the connecting block to slightly rotate through the riveting piece, the connecting block in a moving state can drive the arc blocks to slightly rotate through the riveting piece II, so that the arc blocks can be scattered outwards in the wall and abut against the inner wall of the opening of the wall, the bolt shell is fixed on the wall, and when the knob is rotated in the opposite direction, the arc blocks can be contracted inwards under the cooperation of the riveting piece I, the riveting piece II and the connecting block, the bolt shell can be conveniently taken out of the wall, and convenience in use of the expansion bolt can be improved through cooperation of the structure.

2. In the utility model, when the bolt shell is driven into the wall body, the convex block can scratch a section of dent in the inner wall of the driven hole, and then when the expansion bolt is driven into the original hole again, the convex block can be aligned with the dent of the inner wall of the hole of the wall body, so that the bolt shell can be driven into the wall body again more conveniently, and the damage to the wall body is reduced.

Drawings

FIG. 1 is a cross-sectional view of the present utility model;

FIG. 2 is a perspective view of the present utility model;

fig. 3 is another perspective view of the present utility model.

The marks in the figure: the device comprises a 1-rotating rod, a 2-fixing structure, a 11-bolt shell, a 12-stress block, a 13-knob, a 20-expansion structure, a 21-rotating disc, a 22-riveting piece I, a 23-riveting piece II, a 24-lug, a 201-connecting block and a 202-arc-shaped block.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments of the present utility model will be clearly and completely described in the following in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples:

referring to fig. 1-3, an expansion bolt convenient to use, including bull stick 1 and fixed knot constructs 2, fixed knot constructs 2 including expansion structure 20 and carousel 21, the upper surface of carousel 21 and the lower fixed surface of bull stick 1 are connected, the lateral surface rotation of carousel 21 is connected with bolt housing 11, and bull stick 1 sets up in the inside appearance chamber of bolt housing 11, the inside appearance chamber fixedly connected with atress piece 12 on bolt housing 11 top, the one end that bull stick 1 kept away from carousel 21 passes atress piece 12 back fixedly connected with knob 13, the one end that bull stick 1 was kept away from to knob 13 extends to outside after the roof of movably running through bolt housing 11, and one end surface that knob 13 is close to bull stick 1 rotates with the inner wall of bolt housing 11 to be connected, when beating the bolt housing 11 and driving into the wall to knob 13, atress piece 12 can carry out spacing atress to knob 13, prevent that knob 13 from sliding into the inner wall of bolt housing 11 after the atress, and atress piece 12 can drive bolt housing 11 into the wall body inside.

Referring to fig. 1-3, the expansion structure 20 is disposed on the lower surface of the turntable 21, the expansion structure 20 includes a connection block 201 and an arc block 202, one end of the connection block 201 is movably riveted with the arc block 202 through a second rivet 23, the other end of the connection block 201 is movably riveted with the turntable 21 through a first rivet 22, after the bolt housing 11 is embedded into a wall, the rotation knob 13 is rotated to enable the rotating rod 1 to drive the turntable 21 to rotate, the rotating turntable 21 can drive the connection block 201 to slightly rotate through the first rivet 22, the connection block 201 in a moving state can drive the arc block 202 to slightly rotate through the second rivet 23, so that a plurality of arc blocks 202 can be dispersed outwards in the wall and propped against the inner wall of an opening of the wall, so that the bolt housing 11 is fixed on the wall, and when the knob 13 is rotated in the opposite direction, the arc block 202 can be retracted inwards, so that the bolt housing 11 can be conveniently taken out from the wall; the first riveting piece 22, the second riveting piece 23, the connecting block 201 and the arc-shaped block 202 are the same in number, and the convenience of the expansion bolt in use can be improved through the cooperation of the structures.

Referring to fig. 1-3, the outer wall of the lower end of the bolt housing 11 is fixedly connected with a plurality of protruding blocks 24, the number of the protruding blocks 24 is a plurality of protruding blocks 24 which are annularly and equidistantly arranged on the outer surface of the lower end of the bolt housing 11, and when the bolt housing 11 is driven into a wall body, the protruding blocks 24 can scratch a section of dent in the inner wall of a driven hole; the outer wall of the top end of the bolt housing 11 is provided with the 14, when the expansion bolt is nailed into the original hole again, the lug 24 can be aligned with the dent of the inner wall of the wall body opening, and then the knob 13 can be judged to be rotated leftwards or rightwards according to the thread direction of the 14 so as to fix the expansion bolt again, and the bolt housing 11 can be conveniently driven into the wall body again through the cooperation of the structure, and meanwhile, the damage to the inside of the wall body is reduced.

The implementation principle of the embodiment of the expansion bolt convenient to use is as follows:

when an object is fixed on a wall surface, the object can be attached to the wall surface, then the lower end of the bolt housing 11 is aligned to the position where the surface of the object needs to be fixed, then the knob 13 is beaten, at the moment, the stress block 12 can limit the stress on the knob 13, the knob 13 is prevented from sliding into the inner wall of the bolt housing 11 after the stress, the stressed stress block 12 can drive the bolt housing 11 to enter the wall body, after the bolt housing 11 is embedded into the wall body, the rotating rod 1 can drive the rotating disc 21 to rotate through rotating the knob 13, the rotating disc 21 can drive the connecting block 201 to slightly rotate through the first riveting piece 22, the connecting block 201 in a moving state can drive the arc-shaped block 202 to slightly rotate through the second riveting piece 23, so that a plurality of arc-shaped blocks 202 can be dispersed outwards in the wall body, and are propped against the inner wall of the opening of the wall body, when the knob 13 rotates in the opposite direction, the arc-shaped block 202 can be inwards contracted under the cooperation of the first riveting piece 22, the second riveting piece 23 and the connecting block 201, and the bolt housing 11 can be conveniently taken out of the wall body through the bolt housing 11, and the convenience in use can be improved through the cooperation of the structure.

On the other hand, when the bolt housing 11 is driven into the wall body, the protruding block 24 will scratch a section of dent in the inner wall of the driven hole, when the expansion bolt is required to be driven into the hole which is originally driven out again after the expansion bolt is pulled out, the protruding block 24 can be aligned with the dent of the inner wall of the hole of the wall body, so that the bolt housing 11 is driven into the wall body again more conveniently, and meanwhile, the damage to the wall body is reduced.

The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. Use convenient expansion bolts, including bull stick (1) and fixed knot constructs (2), its characterized in that: fixed knot constructs (2) including inflation structure (20) and carousel (21), the upper surface of carousel (21) with the lower fixed surface of bull stick (1) is connected, the lateral surface of carousel (21) rotates and is connected with bolt housing (11), just bull stick (1) set up in the inside appearance chamber of bolt housing (11), the inside appearance chamber fixedly connected with atress piece (12) on bolt housing (11) top, bull stick (1) are kept away from the one end of carousel (21) is passed atress piece (12) back fixedly connected with knob (13), inflation structure (20) include connecting block (201) and arc piece (202), the one end of connecting block (201) through rivet second (23) with arc piece (202) activity riveting, the other end of connecting block (201) through rivet first (22) with carousel (21) activity riveting.

2. A use-friendly expansion bolt as claimed in claim 1, wherein: one end of the knob (13) far away from the rotating rod (1) movably penetrates through the top wall of the bolt housing (11) and then extends to the outside, and the outer surface of one end, close to the rotating rod (1), of the knob (13) is rotationally connected with the inner wall of the bolt housing (11).

3. A use-friendly expansion bolt as claimed in claim 1, wherein: the outer wall of the top end of the bolt housing (11) is provided with a bolt (14).

4. A use-friendly expansion bolt as claimed in claim 1, wherein: the outer wall of the lower end of the bolt housing (11) is fixedly connected with a lug (24).

5. The expansion bolt convenient to use as claimed in claim 4, wherein: the number of the protruding blocks (24) is a plurality, and the protruding blocks (24) are annularly and equidistantly arranged on the outer surface of the lower end of the bolt housing (11).

6. A use-friendly expansion bolt as claimed in claim 1, wherein: the first riveting piece (22), the second riveting piece (23), the connecting block (201) and the arc-shaped blocks (202) are the same in number.

7. A use-friendly expansion bolt as claimed in claim 1, wherein: the expansion structure (20) is arranged on the lower surface of the rotary table (21).