CN218913408U

CN218913408U - Expansion bolt of antiskid silk

Info

Publication number: CN218913408U
Application number: CN202223264938.3U
Authority: CN
Inventors: 李创宽
Original assignee: Handan Yuanhong Fastener Manufacturing Co ltd
Current assignee: Handan Yuanhong Fastener Manufacturing Co ltd
Priority date: 2022-12-07
Filing date: 2022-12-07
Publication date: 2023-04-25
Anticipated expiration: 2032-12-07

Abstract

The utility model relates to the technical field of fixed bolts and provides an expansion bolt of an anti-skid wire, which comprises an expansion bolt main body, wherein a through groove is formed in the expansion bolt main body, a built-in bolt is arranged in the through groove, the bottom end of the built-in bolt is movably connected with the inner bottom surface of the through groove, a plurality of movable clamping plates are arranged at the bottom end of the expansion bolt main body, the movable abutting assembly comprises a threaded sleeve, the threaded sleeve is arranged in the through groove, built-in bolts are sleeved in the threaded sleeve, a plurality of connecting rods are fixedly connected to the bottom surface of the threaded sleeve, and the number of the connecting rods corresponds to that of the movable clamping plates. Through above-mentioned technical scheme, the bolt in having solved prior art is in case fixed just can't take out expansion bolts from the inside of hole, and because big head needs to drive the pipe and takes place to warp, receives the pressure great, very easily takes place the problem of smooth silk.

Description

Expansion bolt of antiskid silk

Technical Field

The utility model relates to the technical field of expansion bolts, in particular to an expansion bolt with an anti-skid wire.

Background

The expansion bolt is a special threaded connector for fixing pipeline support/hanging/bracket or equipment on wall, floor slab and column, when in use, the corresponding size hole is drilled on the fixed body by using an impact electric drill, then the bolt and the expansion pipe are installed in the hole, and the bolt, the expansion pipe, the installation piece and the fixed body are expanded into a whole by screwing the nut, but the existing expansion bolt has some problems when in use.

If, during the in-service use of the existing expansion bolt, the expansion bolt needs to be inserted into the hole, then after the bolt is screwed up, the tail of the big end is brought into the open pipe, the pipe is punched to be large, the purpose of expansion is achieved, and then the bolt is fixed on the ground or the wall, however, once the pipe is deformed, the expansion bolt cannot be taken out from the hole, and cannot be reused, so that the practicability of the existing expansion bolt is greatly reduced, and in the screwing up process of the existing expansion bolt, the big end needs to drive the pipe to deform, so that the pressure is large, and the problem of sliding wire is very easy to occur.

Disclosure of Invention

The utility model provides an expansion bolt of an anti-slip wire, which solves the problems that the expansion bolt cannot be taken out from the inside of a hole once the bolt is fixed in the prior art, and the big end needs to drive a pipe to deform, so that the pressure is high and the anti-slip wire is easy to occur.

The technical scheme of the utility model is as follows: the expansion bolt comprises an expansion bolt main body, wherein a through groove is formed in the expansion bolt main body, a built-in bolt is arranged in the through groove, the bottom end of the built-in bolt is movably connected with the inner bottom surface of the through groove, and a plurality of movable clamping plates are arranged at the bottom end of the expansion bolt main body;

the movable propping assembly comprises a threaded sleeve, the threaded sleeve is arranged in the through groove, the built-in bolt is in threaded sleeve connection with the threaded sleeve, the bottom surface of the threaded sleeve is fixedly connected with a plurality of connecting rods, and the number of the connecting rods corresponds to the number of the movable clamping plates.

Preferably, one end of the connecting rod extends to the outer side of the expansion bolt main body and is located on the bottom surface of the expansion bolt main body, a fixing plate is fixedly installed at one end of the connecting rod extending to the outer side of the expansion bolt main body, a chute is formed in one side surface of the movable clamping plate, and the fixing plate extends to the inner portion of the chute.

Preferably, a plurality of T-shaped grooves are formed in the bottom surface of the expansion bolt main body, the number of the T-shaped grooves is equal to that of the movable clamping plates, the positions of the T-shaped grooves correspond to that of the movable clamping plates, the T-shaped blocks are movably clamped in the T-shaped grooves, and the movable clamping plates are fixedly arranged on the bottom surfaces of the T-shaped blocks.

Preferably, the chute is arranged on one side surface of the movable clamping plate at an angle of thirty degrees, and one side of the fixed plate is attached to the inner side surface of the chute.

Preferably, the inner wall of the through groove is provided with a plurality of sliding grooves, the number of the sliding grooves corresponds to that of the movable clamping plates, the inside of each sliding groove is movably clamped with a sliding block, and one end of each sliding block is fixedly connected with the outer surface of the threaded sleeve.

Preferably, a spring is arranged in the sliding groove, one end of the spring is fixedly connected with the inner bottom surface of the sliding groove, and the other end of the spring is fixedly connected with the bottom surface of the sliding block.

Preferably, the threaded sleeve is a stainless steel sleeve, and the setting position of the threaded sleeve is located in the middle of the through groove.

Preferably, the outer surface of the movable clamping plate is provided with a plurality of anti-skid patterns.

The beneficial effects of the utility model are as follows: through setting up the activity and supporting tight subassembly, when dismantling expansion bolt main part, only need anticlockwise rotation built-in bolt, under the effect of screw thread, drive the inside upward movement of screw thread sleeve at logical groove, promptly drive the inside upward movement of fixed plate at the chute through the connecting rod, the activity cardboard loses the extrusion of fixed plate to the chute and supports tightly, the inner wall of the hole of being convenient for loses the cohesion, thereby alright take out expansion bolt main part from the inside of hole, thereby realized can be with expansion bolt main part after fixed, quick convenient purpose of taking off, the problem that current expansion bolt main part was difficult to take out from the hole inside after fixed mounting has been avoided, and, through the setting of activity supporting tight subassembly, the fixed mode that the pipe warp has been forced to current big head has been replaced, and then can effectually alleviate pressure between the screw thread, the problem that the smooth silk appears of preventing, the practicality of expansion bolt main part has been improved greatly.

Drawings

The utility model will be described in further detail with reference to the drawings and the detailed description.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of the overall cross-sectional elevation of the present utility model;

FIG. 3 is a schematic cross-sectional view of a movable clamping plate according to the present utility model;

FIG. 4 is a schematic diagram of a T-block structure according to the present utility model.

In the figure: 1. an expansion bolt body; 2. a movable clamping plate; 3. a built-in bolt; 4. a through groove; 5. a chute; 6. a slide block; 7. a threaded sleeve; 8. a connecting rod; 9. a fixing plate; 10. a spring; 11. a chute; 12. a T-shaped groove; 13. t-shaped block.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by one of ordinary skill 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:

as shown in fig. 1 to 4, the embodiment provides an expansion bolt of an anti-skid wire, which comprises an expansion bolt main body 1, wherein a through groove 4 is formed in the expansion bolt main body 1, a built-in bolt 3 is arranged in the through groove 4, the bottom end of the built-in bolt 3 is movably connected with the inner bottom surface of the through groove 4, a plurality of movable clamping plates 2 are arranged at the bottom end of the expansion bolt main body 1, a plurality of anti-skid patterns are formed on the outer surface of each movable clamping plate 2, and the friction force between the outer surface of each movable clamping plate 2 and the inner wall of a hole can be increased by arranging the plurality of anti-skid patterns, so that the fixing effect between each movable clamping plate 2 and the hole is better;

the movable abutting assembly comprises a threaded sleeve 7, the threaded sleeve 7 is a stainless steel sleeve, the arrangement position of the threaded sleeve 7 is positioned in the middle of a through groove 4, the threaded sleeve 7 is arranged in the through groove 4, a built-in bolt 3 is in threaded sleeve connection with the inside of the threaded sleeve 7, the bottom surface of the threaded sleeve 7 is fixedly connected with a plurality of connecting rods 8, the number of the connecting rods 8 corresponds to that of the movable clamping plates 2, one end of each connecting rod 8 extends to the outer side of the corresponding expansion bolt main body 1 and is positioned on the bottom surface of the corresponding expansion bolt main body 1, one end of each connecting rod 8 extending to the outer side of the corresponding expansion bolt main body 1 is fixedly provided with a fixed plate 9, one side surface of the corresponding movable clamping plate 2 is provided with a chute 11, the chute 11 is arranged on one side surface of the corresponding movable clamping plate 2 in a thirty-degree angle, one side of the fixed plate 9 is attached to the inner side surface of the chute 11, the bottom surface of the expansion bolt main body 1 is provided with a plurality of T-shaped grooves 12, the number of the T-shaped grooves 12 is equal to that of the movable clamping plates 2, the positions of the T-shaped grooves 12 are corresponding to that of the movable clamping plates 2, the movable clamping plates 2 are fixedly arranged on the bottom surface of the T-shaped blocks 13, through arranging the movable abutting components, when the expansion bolt main body 1 is dismounted, the inner bolt 3 is only required to be rotated anticlockwise, under the action of threads, the threaded sleeve 7 is driven to move upwards in the through groove 4, namely, the fixing plate 9 is driven to move upwards in the chute 11 through the connecting rod 8, the movable clamping plates 2 lose the pressing and abutting of the fixing plate 9 on the chute 11, so that the inner wall of a hole is convenient to lose the attaching force, and the expansion bolt main body 1 can be taken out from the hole, thereby realizing the purpose of quickly and conveniently taking down the expansion bolt main body 1 after being fixed, the problem that current expansion bolts main part 1 is difficult to follow hole inside after fixed mounting is avoided, and, through the setting of tight subassembly is supported in the activity, the fixed mode that current big head forced the pipe to warp, and then can effectually alleviate the pressure between the screw thread, prevent the problem that the smooth silk appears, the practicality of expansion bolts main part 1 has been improved greatly, a plurality of spouts 5 have been seted up to the inner wall of logical groove 4, the quantity of a plurality of spouts 5 corresponds with the quantity of movable cardboard 2, the equal movable joint in inside of spout 5 has slider 6, the one end and the surface fixed connection of screw sleeve 7 of slider 6, through setting up spout 5 and slider 6, can effectually carry out spacingly to screw sleeve 7 for screw sleeve 7 can not rotate following the rotation of built-in bolt 3, and the in-process of up-down motion is more stable, the inside of spout 5 is provided with spring 10, the one end and the inside bottom surface fixed connection of spout 5 of spring 10, the other end and slider 6 of spring 10 are fixedly connected, through setting up spring 10, the stability of screw sleeve 7 in the motion process has been further improved.

The theory of operation, when carrying out the installation to expansion bolts main part 1, only need peg graft expansion bolts main part 1 and enter into the hole that makes in advance, then through clockwise rotation built-in bolt 3, when built-in bolt 3 clockwise rotation, because screw thread sleeve 7 cup joints with built-in bolt 3 screw thread, therefore, drive screw thread sleeve 7 downward movement under the effect of screw thread, when screw thread sleeve 7 downward movement, connecting rod 8 alright drive fixed plate 9 downward movement, because the one end of fixed plate 9 and one side surface contact of chute 11, chute 11 is in the inside downward movement of fixed plate 9, drive each activity cardboard 2 outside and remove, until the outer wall of activity cardboard 2 closely laminates and supports tightly when being tight with the inner wall of hole, can stop rotating built-in bolt 3, alright fix expansion bolts main part 1 in the inside of hole, only need anticlockwise rotation built-in bolt 3, under the effect of screw thread, drive screw thread sleeve 7 upward movement in the inside of logical groove 4, promptly, drive the inside upward movement of fixed plate 9 at 11 through connecting rod 8, the inside of fixed plate 9, the inside of the fixed plate 2 is lost the tight compression head of the inner wall of hole 1, thereby the quick change of the purpose of taking out can be realized, and the expansion bolts 1 can be realized, and the quick change of the purpose is realized, and the expansion bolt is realized, and the hole is realized.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. The expansion bolt of the anti-skid wire comprises an expansion bolt main body (1), and is characterized in that a through groove (4) is formed in the expansion bolt main body (1), a built-in bolt (3) is arranged in the through groove (4), the bottom end of the built-in bolt (3) is movably connected with the inner bottom surface of the through groove (4), and a plurality of movable clamping plates (2) are arranged at the bottom end of the expansion bolt main body (1);

the movable propping assembly comprises a threaded sleeve (7), the threaded sleeve (7) is arranged in the through groove (4), the built-in bolt (3) is in threaded sleeve connection with the inside of the threaded sleeve (7), a plurality of connecting rods (8) are fixedly connected to the bottom surface of the threaded sleeve (7), and the number of the connecting rods (8) corresponds to the number of the movable clamping plates (2).

2. The expansion bolt of an anti-skid thread according to claim 1, wherein one end of the connecting rod (8) extends to the outer side of the expansion bolt main body (1) and is located at the bottom surface of the expansion bolt main body (1), one end of the connecting rod (8) extending to the outer side of the expansion bolt main body (1) is fixedly provided with a fixing plate (9), one side surface of the movable clamping plate (2) is provided with a chute (11), and the fixing plate (9) extends to the inner part of the chute (11).

3. The expansion bolt of an anti-skid thread according to claim 1, wherein a plurality of T-shaped grooves (12) are formed in the bottom surface of the expansion bolt main body (1), the number of the T-shaped grooves (12) is equal to the number of the movable clamping plates (2), the positions of the T-shaped grooves are corresponding to the number of the movable clamping plates (2), a T-shaped block (13) is movably clamped in the T-shaped grooves (12), and the movable clamping plates (2) are fixedly mounted on the bottom surface of the T-shaped block (13).

4. Expansion bolt of an anti-skid thread according to claim 2, characterized in that the chute (11) is opened at a thirty degree angle on one side surface of the movable clamping plate (2), and one side of the fixed plate (9) is attached to the inner side surface of the chute (11).

5. The expansion bolt of an anti-skid thread according to claim 1, wherein a plurality of sliding grooves (5) are formed in the inner wall of the through groove (4), the number of the sliding grooves (5) corresponds to the number of the movable clamping plates (2), sliding blocks (6) are movably clamped in the sliding grooves (5), and one end of each sliding block (6) is fixedly connected with the outer surface of the threaded sleeve (7).

6. The expansion bolt of an anti-skid thread according to claim 5, wherein a spring (10) is arranged in the sliding groove (5), one end of the spring (10) is fixedly connected with the inner bottom surface of the sliding groove (5), and the other end of the spring (10) is fixedly connected with the bottom surface of the sliding block (6).

7. Expansion bolt for an anti-skid thread according to claim 1, characterized in that the threaded sleeve (7) is a stainless steel sleeve, and the threaded sleeve (7) is arranged in the middle of the through groove (4).

8. Expansion bolt of an anti-skid thread according to claim 1, characterized in that the outer surface of the movable clamping plate (2) is provided with a plurality of anti-skid threads.