CN218882731U

CN218882731U - Nested bolt fastener

Info

Publication number: CN218882731U
Application number: CN202223331099.2U
Authority: CN
Inventors: 朱剑
Original assignee: Jingjiang Shenlong Fastener Manufacturing Co ltd
Current assignee: Jingjiang Shenlong Fastener Manufacturing Co ltd
Priority date: 2022-12-13
Filing date: 2022-12-13
Publication date: 2023-04-18
Anticipated expiration: 2032-12-13

Abstract

The utility model discloses an embedded bolt fastener, including the thread bush, thread bush one end fixedly connected with end cap, mounting groove and antiskid groove have been seted up respectively to the thread bush outer wall, the mounting groove inner wall passes through coupling mechanism fixedly connected with sliding closure, a plurality of antiskid sheets of one end fixedly connected with of mounting groove are kept away from to the sliding closure, thread bush inner wall threaded connection has the double-screw bolt, double-screw bolt other end threaded connection has two nuts, a plurality of non slipping spur of nut one side fixedly connected with, the utility model discloses the setting of well anticreep stay cord is avoided the slider to break away from spacing box, and the better right sliding closure of being convenient for carries on spacingly, and spacing box and the setting of slider are convenient for better carry on spacingly to the sliding closure, and the setting of sliding closure is convenient for better fix the thread bush on the wall body, be convenient for better use this fastener.

Description

Nested bolt fastener

Technical Field

The utility model relates to a bolt technical field especially relates to a nested bolt fastener.

Background

The bolt is a mechanical part and is a cylindrical threaded fastener matched with a nut. A fastener consisting of a head part and a screw (a cylinder with external threads) needs to be matched with a nut and is used for fastening and connecting two parts with through holes. This form of connection is known as a bolted connection. If the nut is unscrewed from the bolt, the two parts can be separated, so that the bolt connection belongs to detachable connection.

For example, a nested bolt fastener disclosed in (CN 201922259229.8) solves the problem that a large number of bolts are often used at a time when the bolt fastener is used in a construction site, and therefore, a worker needs to screw the bolts into the mounting holes and then screw nuts onto the bolts one by using a wrench, which is time-consuming and labor-consuming.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is that; the existing fastener is poor in fixing effect and difficult to effectively fix threads on a wall body.

In order to solve the technical problem, the utility model discloses a technical scheme be: a nested bolt fastener comprises a threaded sleeve, wherein one end of the threaded sleeve is fixedly connected with a plug, the outer wall of the threaded sleeve is respectively provided with a mounting groove and an anti-skidding groove, the inner wall of the mounting groove is fixedly connected with a sliding cover through a connecting mechanism, one end of the sliding cover, far away from the mounting groove, is fixedly connected with a plurality of anti-skidding pieces, the inner wall of the threaded sleeve is in threaded connection with a stud, the other end of the stud is in threaded connection with two nuts, and one side of each nut is fixedly connected with a plurality of anti-skidding pieces;

the connecting mechanism comprises a limiting box fixedly connected with the inner wall of the mounting groove, the inner wall of the limiting box is respectively and fixedly connected with a spring and an anti-falling stay cord, the other end of the spring and the other end of the anti-falling stay cord are fixedly connected with a sliding block together, and the other end of the sliding block is fixedly connected with the inner wall of the sliding cover.

The utility model discloses further set up to, the section of thread bush is circular, thread bush and end cap welding, the section of end cap is the arc.

The utility model discloses further set up to, the mounting groove all is the rectangle with the section in antiskid groove, the mounting groove is unanimous with antiskid groove depth, the width of mounting groove is not less than a millimeter, antiskid groove's width is not less than a little five millimeters, the mounting groove is six with antiskid groove's quantity.

Through the technical scheme, the installation groove and the anti-skidding groove are arranged, so that friction between the threaded sleeve and the external hole body can be increased better, the threaded sleeve can be limited better, and the rotation of the threaded sleeve is avoided.

The utility model discloses it is further set up to, six the mounting groove all is annular array distribution at the thread bush outer wall with anti-skidding groove.

Through the technical scheme, the mounting groove is convenient to better limit the sliding cover.

The utility model discloses further set up to, the antiskid sheets is stainless steel material, the section of antiskid sheets is the rectangle.

Through the technical scheme, the friction force between the threaded sleeve and the outer hole body is increased better due to the arrangement of the anti-slip sheet.

The utility model discloses further set up to, the inner wall laminating of sliding closure outer wall and mounting groove, the sliding closure is stainless steel material, sliding closure and antiskid ribbed tile welding.

Through the technical scheme, the arrangement of the sliding cover is convenient for limiting the anti-skid sheet better.

The utility model discloses further set up to, the spacing case all is circular with the section of slider, spacing incasement wall and the laminating of slider outer wall, the slider is stainless steel.

Through the technical scheme, the limiting box and the sliding block are arranged, so that the sliding cover is better limited.

The utility model discloses further set up to, spring, anticreep stay cord both ends distribute and bond with spacing box, slider.

Through the technical scheme, the slide block is prevented from being separated from the limiting box by the anti-falling pull rope, and the sliding cover which is convenient to better limit is convenient to limit.

The utility model has the advantages as follows:

1. the arrangement of the middle mounting groove and the anti-skid groove of the utility model is convenient for better increasing the friction force between the thread bush and the external hole body, and is convenient for better limiting the thread bush to avoid the rotation of the thread bush, and the arrangement of the mounting groove is convenient for better limiting the sliding cover;

2. the utility model discloses the setting of well anticreep stay cord is avoided the slider to break away from the stop box, and the slip cap that is convenient for better carries on spacingly, and the setting of stop box and slider is convenient for better carries on spacingly to the slip cap, and the setting of slip cap is convenient for better carries on spacingly to the antiskid sheets, is convenient for better fixes the thread bush on the wall body, is convenient for better use this fastener.

Drawings

Fig. 1 is a schematic perspective view of the utility model with a viewing angle;

fig. 2 is a perspective view of the utility model with a view angle B;

fig. 3 is a schematic perspective view of the connection mechanism of the present invention.

In the figure: 1. a threaded sleeve; 2. a plug; 3. mounting grooves; 4. a slide cover; 5. anti-slip sheets; 6. a connecting mechanism; 7. a stud; 8. a nut; 9. anti-skid blocks; 10. an anti-slip groove; 601. a limiting box; 602. a slider; 603. a spring; 604. an anti-drop pull rope.

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.

Please refer to fig. 1 and 2, a nested bolt fastener, including thread bush 1, 1 one end fixedly connected with end cap 2 of thread bush, mounting groove 3 and antiskid groove 10 have been seted up respectively to 1 outer wall of thread bush, 3 inner walls of mounting groove pass through connecting mechanism 6 fixedly connected with sliding closure 4, sliding closure 4 keeps away from a plurality of antiskid sheets 5 of one end fixedly connected with of mounting groove 3, 1 inner wall threaded connection of thread bush has double-

screw bolt

7, 7 other end threaded connection of double-screw bolt has two

nuts

8, 8 one side fixedly connected with a plurality of antiskid sheets 9 of nut, the section of thread bush 1 is circular, thread bush 1 welds with end cap 2, the section of end cap 2 is the arc. The section of mounting groove 3 and antiskid groove 10 all is the rectangle, and mounting groove 3 is unanimous with antiskid groove 10 groove depth, and the width of mounting groove 3 is not less than a millimeter, and the width of antiskid groove 10 is not less than one bit five millimeters, and the quantity of mounting groove 3 and antiskid groove 10 is six. The installation groove 3 and the anti-skidding groove 10 are arranged, so that the friction force between the threaded sleeve 1 and the external hole body can be increased better, the threaded sleeve 1 can be limited better, and the rotation of the threaded sleeve is avoided. Six mounting grooves 3 all are annular array distribution at threaded sleeve 1 outer wall with antiskid groove 10. The arrangement of the mounting groove 3 is convenient for better limiting the sliding cover 4. The anti-skid sheet 5 is made of stainless steel, and the section of the anti-skid sheet 5 is rectangular. The setting of antiskid sheet 5 is convenient for better increase the frictional force between the thread bush 1 and the outside hole body, and the inner wall laminating of 4 outer walls of sliding closure and mounting groove 3, sliding closure 4 are stainless steel, and sliding closure 4 and antiskid sheet 5 weld. The arrangement of the sliding cover 4 is convenient for better limiting the anti-skid sheet 5.

As shown in fig. 1-3, the connecting mechanism 6 includes a limiting box 601 fixedly connected to the inner wall of the mounting groove 3, a spring 603 and an anti-dropping rope 604 are respectively fixedly connected to the inner wall of the limiting box 601, a slider 602 is fixedly connected to the other end of the spring 603 and the other end of the anti-dropping rope 604, and the other end of the slider 602 is fixedly connected to the inner wall of the sliding cover 4. The cross sections of the limiting box 601 and the sliding block 602 are circular, the inner wall of the limiting box 601 is attached to the outer wall of the sliding block 602, and the sliding block 602 is made of stainless steel. The limiting box 601 and the sliding block 602 are arranged to better limit the sliding cover 4. Two ends of the spring 603 and the anti-drop pull rope 604 are distributed and bonded with the limit box 601 and the slide block 602. The slide block 602 is prevented from separating from the limit box 601 by the anti-falling pull rope 604, so that the slide cover 4 is convenient to be limited.

When the device is used, drilling is carried out on a wall body, glue is guided into the hole, the threaded sleeve 1 is inserted into the hole, the mounting groove 3 and the anti-skidding groove 10 can enter the hole, the glue is in a liquid state during entering, the glue can be limited by the mounting groove 3 and the anti-skidding groove 10, the connecting mechanism 6 drives the anti-skidding piece 5 to be better combined with the glue, the threaded sleeve 1 is convenient to be better limited, meanwhile, the threaded sleeve 1 is prevented from being rotated to take out the device, the stud 7 is screwed into the threaded sleeve 1 after fixing is completed, the external support is placed on the stud 7 according to needs, and the nut 8 can limit the external support.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A nested bolt fastener comprising a threaded sleeve (1), characterized in that: one end of the threaded sleeve (1) is fixedly connected with a plug (2), the outer wall of the threaded sleeve (1) is respectively provided with a mounting groove (3) and an anti-skidding groove (10), the inner wall of the mounting groove (3) is fixedly connected with a sliding cover (4) through a connecting mechanism (6), one end, away from the mounting groove (3), of the sliding cover (4) is fixedly connected with a plurality of anti-skidding pieces (5), the inner wall of the threaded sleeve (1) is in threaded connection with a stud (7), the other end of the stud (7) is in threaded connection with two nuts (8), and one side of each nut (8) is fixedly connected with a plurality of anti-skidding blocks (9);

coupling mechanism (6) include with mounting groove (3) inner wall fixed connection's spacing case (601), spacing case (601) inner wall is fixedly connected with spring (603) and anticreep stay cord (604) respectively, spring (603) and the common fixedly connected with slider (602) of anticreep stay cord (604) other end, the slider (602) other end and sliding closure (4) inner wall fixed connection.

2. A nested bolt fastener according to claim 1, wherein: the section of the threaded sleeve (1) is circular, the threaded sleeve (1) is welded with the plug (2), and the section of the plug (2) is arc-shaped.

3. A nested bolt fastener according to claim 1, wherein: the cross sections of the mounting groove (3) and the anti-skidding groove (10) are rectangular, the depth of the mounting groove (3) is consistent with that of the anti-skidding groove (10), the width of the mounting groove (3) is not less than one millimeter, the width of the anti-skidding groove (10) is not less than one point and five millimeters, and the number of the mounting groove (3) and the number of the anti-skidding grooves (10) are six.

4. A nested bolt fastener according to claim 3, wherein: six the mounting groove (3) all are distributed at the outer wall of thread bush (1) with anti-skidding groove (10) in annular array.

5. A nested bolt fastener according to claim 1, wherein: the anti-skid sheet (5) is made of stainless steel, and the section of the anti-skid sheet (5) is rectangular.

6. A nested bolt fastener according to claim 1, wherein: the outer wall of the sliding cover (4) is attached to the inner wall of the mounting groove (3), the sliding cover (4) is made of stainless steel, and the sliding cover (4) is welded with the anti-sliding sheet (5).

7. A nested bolt fastener according to claim 1, wherein: the cross section of spacing case (601) and slider (602) all is circular, spacing case (601) inner wall and slider (602) outer wall laminating, slider (602) are stainless steel material.

8. A nested bolt fastener according to claim 1, wherein: two ends of the spring (603) and the anti-dropping pull rope (604) are respectively bonded with the limiting box (601) and the sliding block (602).