CN213419609U

CN213419609U - Novel expansion bolt

Info

Publication number: CN213419609U
Application number: CN202022021140.0U
Authority: CN
Inventors: 陈小平
Original assignee: Hangzhou Jiangxin Industrial Co ltd
Current assignee: Hangzhou Jiangxin Industrial Co ltd
Priority date: 2020-09-16
Filing date: 2020-09-16
Publication date: 2021-06-11
Anticipated expiration: 2030-09-16

Abstract

The utility model relates to an expansion bolts technical field just discloses a novel expansion bolts, including the countersunk head bolt, the outside sliding connection of countersunk head bolt has the sleeve pipe, sheathed tube right-hand member fixedly connected with is located the outside spacing collar of countersunk head bolt, sliding connection has the plain washer and the spring pad that are located the spacing collar right side from a left side to the right side in proper order in the outside of countersunk head bolt, the outside threaded connection of countersunk head bolt has the hexagon nut that is located spring pad right side, sheathed tube left end fixedly connected with quantity is the first U-shaped connecting block of a plurality of. This novel expansion bolts possesses advantages such as convenient to detach, has solved current most expansion bolts after fixed, because countersunk head bolt pressurization expand tube takes place deformation in the fastening process, and the joint is not convenient for take out in the fixed orifices, leads to unable used repeatedly, has wasted the resource, has restricted expansion bolts's the problem of practicality.

Description

Novel expansion bolt

Technical Field

The utility model relates to an expansion bolts technical field specifically is a novel expansion bolts.

Background

The expansion bolt is composed of countersunk head bolt, expansion tube, flat washer, spring pad and hexagonal nut, and is a special screw connector for fixing pipeline support/hanger/bracket or equipment on wall, floor or column.

However, most of expansion bolts that have now are after fixed, because countersunk head bolt pressurization expand tube takes place deformation in the fastening process, and the joint is in the fixed orifices, is not convenient for take out, leads to unable used repeatedly, has wasted the resource, has restricted expansion bolt's practicality, so provides a novel expansion bolt and solves the problem that the aforesaid was proposed.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a novel expansion bolt possesses advantages such as convenient to detach, has solved most current expansion bolts after fixed, because countersunk head bolt pressurization expand tube takes place deformation in the fastening process, and the joint is in the fixed orifices, is not convenient for take out, leads to unable used repeatedly, has wasted the resource, has restricted expansion bolt's practicality problem.

(II) technical scheme

For the purpose of realizing above-mentioned convenient to detach, the utility model provides a following technical scheme: a novel expansion bolt comprises a countersunk head bolt, wherein the outer part of the countersunk head bolt is slidably connected with a sleeve, the right end of the sleeve is fixedly connected with a limiting ring positioned outside the countersunk head bolt, the outer part of the countersunk head bolt is sequentially and slidably connected with a flat washer and a spring washer positioned on the right side of the limiting ring from left to right, the outer part of the countersunk head bolt is in threaded connection with a hexagon nut positioned on the right side of the spring washer, the left end of the sleeve is fixedly connected with a plurality of first U-shaped connecting blocks, the inner sides of the plurality of first U-shaped connecting blocks are rotatably connected with a fixed plate positioned on the outer side of the countersunk head bolt, one end of the plurality of fixed plates, which is close to the countersunk head bolt, is fixedly connected with a second U-shaped connecting block, the outer part of the countersunk head bolt is provided with a plurality of adjusting grooves, one side of the plurality of adjusting grooves, which is close to the central line of the countersunk, the inner sides of the third U-shaped connecting blocks are rotatably connected with connecting rods extending to the outside of the adjusting groove, the other ends of the connecting rods are rotatably connected with the second U-shaped connecting blocks respectively, and the right ends of the countersunk bolts are fixedly connected with fixing blocks.

Preferably, the inner diameter of the sleeve and the inner diameter of the limiting ring are matched with the diameter of the countersunk head bolt.

Preferably, the sleeve and the limiting ring are coaxially arranged, and the outer diameter of the limiting ring is larger than that of the sleeve.

Preferably, the inner diameter of the flat washer and the inner diameter of the spring pad are matched with the diameter of the countersunk head bolt.

Preferably, two inner side walls of the first U-shaped connecting block are fixedly connected with a first rotating shaft penetrating through the fixing plate.

Preferably, a second rotating shaft penetrating through the connecting rod is fixedly connected between two inner side walls of the second U-shaped connecting block and between two inner side walls of the third U-shaped connecting block.

Preferably, a plurality of the fixed plate is annular equidistance and distributes, and a plurality of fixed plate, adjustment tank and connecting rod set up for the one-to-one, the end is regular hexagon about the fixed block, just the diagonal length of terminal surface is less than the diameter of countersunk head bolt about the fixed block.

(III) advantageous effects

Compared with the prior art, the utility model provides a novel expansion bolt possesses following beneficial effect:

this novel expansion bolts, when using, put into predetermined fixed orifices with this novel expansion bolts, rotatory hexagon nut, it moves to drive the countersunk head bolt right side, thereby drive the connecting rod rotation in the adjustment tank, it rotates to drive the fixed plate, the fixed orifices struts, with the fixed plate, sleeve pipe and countersunk head bolt fastening are in the fixed orifices, when needs pull down, use the spanner to pass through the fixed block with countersunk head bolt fastening, then rotatory hexagon nut, make hexagon nut move to the right side, then strike the fixed block right-hand member, make countersunk head bolt move to a left side, just can drive the fixed plate gyration through the connecting rod, just can take out the fixed orifices with expansion bolts, and convenient for operation is favorable to used repeatedly, and the resource is saved, through the above setting, possess advantages such as convenient to detach.

Drawings

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

fig. 2 is a front view of the present invention;

fig. 3 is an enlarged view of a portion a in fig. 1 according to the present invention.

In the figure: 1. a countersunk bolt; 2. a sleeve; 3. a limiting ring; 4. a flat washer; 5. a spring pad; 6. a hexagonal nut; 7. a first U-shaped connecting block; 8. a fixing plate; 9. a second U-shaped connecting block; 10. an adjustment groove; 11. a third U-shaped connecting block; 12. a connecting rod; 13. and (5) fixing blocks.

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. 1-3, a novel expansion bolt comprises a countersunk head bolt 1, a sleeve 2 is slidably connected to the outside of the countersunk head bolt 1, a stop collar 3 is fixedly connected to the right end of the sleeve 2 and is located outside the countersunk head bolt 1, the inner diameter of the sleeve 2 and the inner diameter of the stop collar 3 are both adapted to the diameter of the countersunk head bolt 1, the sleeve 2 and the stop collar 3 are coaxially arranged, the outer diameter of the stop collar 3 is larger than the outer diameter of the sleeve 2, a flat washer 4 and a spring pad 5 are slidably connected to the outside of the countersunk head bolt 1 from left to right in sequence and are located on the right side of the stop collar 3, the inner diameter of the flat washer 4 and the inner diameter of the spring pad 5 are both adapted to the diameter of the countersunk head bolt 1, a hexagon nut 6 is connected to the outside of the countersunk head bolt 1 through a thread, a plurality of first U-shaped connecting blocks 7 are fixedly connected to the left end of the sleeve 2, two inner side walls of the first U-shaped connecting blocks 7, the inner sides of a plurality of first U-shaped connecting blocks 7 are rotatably connected with a fixing plate 8 positioned at the outer side of a countersunk bolt 1, one ends of a plurality of fixing plates 8, which are close to the countersunk bolt 1, are fixedly connected with second U-shaped connecting blocks 9, the outer part of the countersunk bolt 1 is provided with a plurality of adjusting grooves 10, one sides of a plurality of adjusting grooves 10, which are close to the central line of the countersunk bolt 1, are fixedly connected with third U-shaped connecting blocks 11 positioned at the left side of the second U-shaped connecting blocks 9, the inner sides of a plurality of third U-shaped connecting blocks 11 are rotatably connected with connecting rods 12 extending to the outer parts of the adjusting grooves 10, the other ends of a plurality of connecting rods 12 are respectively rotatably connected with a plurality of second U-shaped connecting blocks 9, a second rotating shaft penetrating through the connecting rods 12 is fixedly connected between two inner side walls of the second U-shaped connecting blocks 9 and between two inner side walls of the third U-, a plurality of fixed plate 8 is annular equidistance and distributes, and a plurality of fixed plate 8, adjustment tank 10 and connecting rod 12 are the one-to-one setting, and the end is regular hexagon about fixed block 13, and the diagonal length of the terminal surface is less than countersunk head bolt 1's diameter about fixed block 13.

To sum up, when the novel expansion bolt is used, the novel expansion bolt is placed in a preset fixing hole, the hexagon nut 6 is rotated to drive the countersunk head bolt 1 to move rightwards, so that the connecting rod 12 in the adjusting groove 10 is driven to rotate, the fixing plate 8 is driven to rotate, the fixing hole is opened, the fixing plate 8, the sleeve 2 and the countersunk head bolt 1 are fixed in the fixing hole, when the novel expansion bolt needs to be detached, the countersunk head bolt 1 is fixed through the fixing block 13 by using a spanner, then the hexagon nut 6 is rotated to enable the hexagon nut 6 to move rightwards, then the right end of the fixing block 13 is knocked, the countersunk head bolt 1 moves leftwards, the fixing plate 8 can be driven to rotate through the connecting rod 12, the expansion bolt can be taken out of the fixing hole, the novel expansion bolt is convenient to operate, the novel expansion bolt is favorable for repeated use, resources are saved, and the novel expansion bolt has the advantages, because the countersunk head bolt pressurization expand tube takes place to deform among the fastening process, the joint is in the fixed orifices, is not convenient for take out, leads to unable used repeatedly, has wasted the resource, has restricted expansion bolt's practicality's problem.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a novel expansion bolts, includes countersunk bolt (1), its characterized in that: the outer sliding connection of the countersunk head bolt (1) is provided with a sleeve (2), the right end of the sleeve (2) is fixedly connected with a limiting ring (3) positioned outside the countersunk head bolt (1), the outer part of the countersunk head bolt (1) is sequentially connected with a flat washer (4) and a spring pad (5) positioned on the right side of the limiting ring (3) in a sliding manner from left to right, the outer thread of the countersunk head bolt (1) is connected with a hexagon nut (6) positioned on the right side of the spring pad (5), the left end of the sleeve (2) is fixedly connected with a plurality of first U-shaped connecting blocks (7), the inner sides of the first U-shaped connecting blocks (7) are rotatably connected with a fixing plate (8) positioned on the outer side of the countersunk head bolt (1), and one ends of the fixing plates (8) close to the countersunk head bolt (1) are fixedly connected with second U-shaped connecting blocks (9), the outside of countersunk head bolt (1) is seted up quantity and is a plurality of adjustment tank (10), a plurality of the equal fixedly connected with in one side that adjustment tank (10) is close to countersunk head bolt (1) central line is located left third U-shaped connecting block (11), a plurality of the inboard of third U-shaped connecting block (11) all rotates and is connected with connecting rod (12) that extend to adjustment tank (10) outside, a plurality of the other end of connecting rod (12) respectively with a plurality of second U-shaped connecting block (9) rotates and connects, the right-hand member fixedly connected with fixed block (13) of countersunk head bolt (1).

2. The new expansion bolt according to claim 1, characterized in that: the inner diameter of the sleeve (2) and the inner diameter of the limiting ring (3) are matched with the diameter of the countersunk head bolt (1).

3. The new expansion bolt according to claim 1, characterized in that: the sleeve (2) and the limiting ring (3) are coaxially arranged, and the outer diameter of the limiting ring (3) is larger than that of the sleeve (2).

4. The new expansion bolt according to claim 1, characterized in that: the inner diameter of the flat washer (4) and the inner diameter of the spring pad (5) are matched with the diameter of the countersunk head bolt (1).

5. The new expansion bolt according to claim 1, characterized in that: two inner side walls of the first U-shaped connecting block (7) are fixedly connected with a first rotating shaft penetrating through the fixing plate (8).

6. The new expansion bolt according to claim 1, characterized in that: and a second rotating shaft penetrating through the connecting rod (12) is fixedly connected between two inner side walls of the second U-shaped connecting block (9) and between two inner side walls of the third U-shaped connecting block (11).

7. The new expansion bolt according to claim 1, characterized in that: a plurality of fixed plate (8) are annular equidistance and distribute, and a plurality of fixed plate (8), adjustment tank (10) and connecting rod (12) set up for the one-to-one, the end is regular hexagon about fixed block (13), just the diagonal length of terminal surface is less than the diameter of countersunk head bolt (1) about fixed block (13).