CN216044924U

CN216044924U - High-performance explosion-proof fastener

Info

Publication number: CN216044924U
Application number: CN202122250922.6U
Authority: CN
Inventors: 唐涛
Original assignee: Tianjin Westa Metal Products Co ltd
Current assignee: Tianjin Westa Metal Products Co ltd
Priority date: 2021-09-16
Filing date: 2021-09-16
Publication date: 2022-03-15
Anticipated expiration: 2031-09-16

Abstract

The utility model relates to the technical field of explosion-proof fastening, in particular to a high-performance explosion-proof fastener which can avoid bolt loosening, enhance stability, avoid influencing the explosion-proof performance of equipment and improve safety; including explosion-proof equipment box, the case lid, first bolt, the mounting plate, add the compact, two sets of second bolt, first nut, two sets of second nut and two sets of lead screw, explosion-proof equipment box right-hand member and the laminating of case lid left end, the mounting plate right-hand member and the laminating of explosion-proof equipment box left end, first bolt passes the mounting plate and stretches into to explosion-proof equipment box in, it is equipped with the slide opening in the compact to add the compact, first bolt right-hand member passes slide opening and case lid, be equipped with two sets of screw holes on adding the compact, two sets of second bolt pass the mounting plate respectively in proper order, explosion-proof equipment box, add compact and case lid, and the spiral shell passes two sets of screw holes and explosion-proof equipment box right-hand member, first nut spiral shell dress is at first bolt right-hand member, two sets of second nut spiral shell dresses are at two sets of second bolt right-hand members, the case lid right-hand member is equipped with two sets of connecting blocks.

Description

High-performance explosion-proof fastener

Technical Field

The utility model relates to the technical field of explosion-proof fastening, in particular to a high-performance explosion-proof fastening piece.

Background

For explosion-proof equipment, the fasteners are usually important parts for maintaining the integrity of the explosion-proof type, and the fasteners play a role in fastening an explosion-proof joint surface or maintaining the tightness of the shell and are very important for ensuring the integrity of the explosion-proof type.

The existing explosion-proof equipment box and the box cover are fixedly connected through a group of bolts, the connection mode is single, and if the bolts fall off, loose and the like, the explosion-proof performance of the equipment can be influenced, and potential safety hazards are formed.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides the high-performance explosion-proof fastener which can avoid bolt loosening, enhance stability, avoid influencing the explosion-proof performance of equipment and improve safety.

The utility model relates to a high-performance explosion-proof fastener, which comprises an explosion-proof equipment box, a box cover, a first bolt, a fastening plate, a fastening piece, two groups of second bolts, a first nut, two groups of second nuts and two groups of screw rods, wherein the right end of the explosion-proof equipment box is attached to the left end of the box cover, the right end of the fastening plate is attached to the left end of the explosion-proof equipment box, the first bolt penetrates through the fastening plate and extends into the explosion-proof equipment box, a sliding hole is formed in the fastening piece, the right end of the first bolt penetrates through the sliding hole and the box cover, two groups of threaded holes are formed in the fastening piece, two groups of second bolts respectively penetrate through the fastening plate, the explosion-proof equipment box, the fastening piece and the box cover in sequence and are screwed through the two groups of threaded holes and the right end of the explosion-proof equipment box, the first nut is screwed at the right end of the first bolt, the two groups of second nuts are screwed at the right ends of the two groups of second bolts, two groups of connecting blocks are arranged at the right end of the box cover, and the two groups of screw rods are respectively screwed through the two groups of connecting blocks, one end of the screw rod is rotatably provided with a clamping sleeve, and the other end of the screw rod is fixedly provided with a twisting block.

According to the high-performance explosion-proof fastener, the fastening pad is arranged at the right end of the fastening plate.

According to the high-performance explosion-proof fastener, the clamping pad is arranged at the right end of the clamping sheet.

The high-performance explosion-proof fastener also comprises two groups of spring gaskets, and the two groups of spring gaskets are respectively and fixedly arranged at the left ends of the two groups of second nuts.

The utility model discloses a high-performance explosion-proof fastener, which further comprises a sliding sleeve, wherein the sliding sleeve is fixedly arranged in the sliding hole.

The high-performance explosion-proof fastener further comprises two groups of anti-slip pads, and the two groups of anti-slip pads are fixedly arranged in the two groups of clamping sleeves respectively.

According to the high-performance explosion-proof fastener, the anti-skid grains are arranged on the circumferential outer wall of the screwing block.

According to the high-performance explosion-proof fastener, the first nut is the self-locking nut.

Compared with the prior art, the utility model has the beneficial effects that: at first increase two sets of second bolts, can strengthen the connection of case lid and explosion-proof equipment case, after first bolt and second bolt couple together explosion-proof equipment case and case lid, rotate and twist the piece, drive the lead screw and rotate, make the cutting ferrule be close to the second nut to fix the second nut, prevent that the second nut is not hard up, strengthen stability, avoid influencing the explosion-proof performance of the equipment in the explosion-proof equipment case, improve the security.

Drawings

FIG. 1 is a schematic cross-sectional view of the present invention;

FIG. 2 is a left side view of the structure of the connection of the tightening piece and the screw hole;

FIG. 3 is a right side view of the first bolt;

FIG. 4 is a front view of the connection of the screw block and the screw rod;

in the drawings, the reference numbers: 1. an explosion-proof equipment box; 2. a box cover; 3. a first bolt; 4. a fastening plate; 5. tightening the sheet; 6. a slide hole; 7. a threaded hole; 8. a second bolt; 9. a first nut; 10. a second nut; 11. connecting blocks; 12. a screw rod; 13. a card sleeve; 14. twisting the block; 15. a fastening pad; 16. a clamping pad; 17. a spring washer; 18. a sliding sleeve; 19. a non-slip mat; 20. and (4) anti-skid lines.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.

As shown in figures 1 to 4, the high-performance explosion-proof fastener comprises an explosion-proof equipment box 1, a box cover 2, a first bolt 3, a fastening plate 4, a tightening piece 5, two groups of second bolts 8, a first nut 9, two groups of second nuts 10 and two groups of screw rods 12, wherein the right end of the explosion-proof equipment box 1 is attached to the left end of the box cover 2, the right end of the fastening plate 4 is attached to the left end of the explosion-proof equipment box 1, the first bolt 3 penetrates through the fastening plate 4 and extends into the explosion-proof equipment box 1, a sliding hole 6 is arranged in the tightening piece 5, the right end of the first bolt 3 penetrates through the sliding hole 6 and the box cover 2, two groups of threaded holes 7 are arranged on the tightening piece 5, the two groups of second bolts 8 respectively and sequentially penetrate through the fastening plate 4, the explosion-proof equipment box 1, the tightening piece 5 and the box cover 2, the two groups of threaded holes 7 and the right end of the explosion-proof equipment box 1 are in a screw assembly mode, the first nut 9 is screwed at the right end of the first bolt 3, the two groups of second nuts 10 are screwed at the right ends of the two groups of second bolts 8, two groups of connecting blocks 11 are arranged at the right end of the box cover 2, two groups of screw rods 12 are respectively screwed through the two groups of connecting blocks 11, one end of each screw rod 12 is rotatably provided with a clamping sleeve 13, and the other end of each screw rod 12 is fixedly provided with a screwing block 14; at first increase two sets of second bolts 8, can strengthen the connection of case lid 2 and explosion-proof equipment case 1, after first bolt 3 and second bolt 8 couple together explosion-proof equipment case 1 and case lid 2, rotate and twist piece 14, drive lead screw 12 and rotate, make cutting ferrule 13 be close to second nut 10 to fix second nut 10, prevent that second nut 10 is not hard up, strengthen stability, avoid influencing the equipment explosion-proof performance in the explosion-proof equipment case 1, improve the security.

According to the high-performance explosion-proof fastener, the right end of the fastening plate 4 is provided with the fastening pad 15; through setting up fastening pad 15, can strengthen the zonulae occludens of mounting plate 4 and explosion-proof equipment case 1, improve stability.

According to the high-performance explosion-proof fastener, the clamping pad 16 is arranged at the right end of the clamping sheet 5; by providing the clamping pad 16, the fastening of the fastening sheet 5 to the explosion-proof equipment case 1 can be enhanced.

The high-performance explosion-proof fastener further comprises two groups of spring gaskets 17, wherein the two groups of spring gaskets 17 are fixedly arranged at the left ends of the two groups of second nuts 10 respectively; through setting up spring shim 17, can prevent that second nut 10 is not hard up, improve the stability that second nut 10 and second bolt 8 are connected.

The high-performance explosion-proof fastener further comprises a sliding sleeve 18, wherein the sliding sleeve 18 is fixedly arranged in the sliding hole 6; by providing the sliding bush 18, the sliding of the first bolt 3 is facilitated.

The high-performance explosion-proof fastener further comprises two groups of anti-slip pads 19, wherein the two groups of anti-slip pads 19 are fixedly arranged in the two groups of clamping sleeves 13 respectively; through setting up slipmat 19, can strengthen the steadiness that cutting ferrule 13 and second nut 10 are connected, prevent that second nut 10 is not hard up.

According to the high-performance explosion-proof fastener, the anti-skid grains 20 are arranged on the circumferential outer wall of the screwing block 14; by providing the anti-slip threads 20, friction of the screw block 14 can be increased, facilitating screwing of the screw block 14.

According to the high-performance explosion-proof fastener, the first nut 9 is a self-locking nut; the first nut 9 is prevented from loosening, and stability is enhanced.

The utility model relates to a high-performance explosion-proof fastener, which is characterized in that two groups of second bolts 8 are added to strengthen the connection between a box cover 2 and an explosion-proof equipment box 1 when in work, after the explosion-proof equipment box 1 and the box cover 2 are connected by a first bolt 3 and a second bolt 8, a screwing block 14 is rotated to drive a screw rod 12 to rotate, a clamping sleeve 13 is close to a second nut 10, the second nut 10 is fixed to prevent the second nut 10 from loosening, the stability is strengthened, the explosion-proof performance of equipment in the explosion-proof equipment box 1 is prevented from being influenced, the safety is improved, a fastening pad 15 can strengthen the tight connection between a fastening plate 4 and the explosion-proof equipment box 1, a clamping pad 16 can strengthen the tightness between a fastening piece 5 and the explosion-proof equipment box 1, a spring gasket 17 can prevent the second nut 10 from loosening, a sliding sleeve 18 is arranged to facilitate the sliding of the first bolt 3, and a non-slip pad 19 can strengthen the firmness of the connection between the clamping sleeve 13 and the second nut 10, the second nut 10 is prevented from loosening, and the anti-slip threads 20 can increase the friction of the screw block 14 and facilitate the screwing of the screw block 14.

According to the high-performance explosion-proof fastener, the installation mode, the connection mode or the arrangement mode are common mechanical modes, and the high-performance explosion-proof fastener can be implemented as long as the beneficial effects of the high-performance explosion-proof fastener are achieved.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A high-performance explosion-proof fastener is characterized by comprising an explosion-proof equipment box (1), a box cover (2), first bolts (3), a fastening plate (4), a clamping piece (5), two groups of second bolts (8), a first nut (9), two groups of second nuts (10) and two groups of screw rods (12), wherein the right end of the explosion-proof equipment box (1) is attached to the left end of the box cover (2), the right end of the fastening plate (4) is attached to the left end of the explosion-proof equipment box (1), the first bolts (3) penetrate through the fastening plate (4) and extend into the explosion-proof equipment box (1), sliding holes (6) are formed in the clamping piece (5), the right end of the first bolts (3) penetrates through the sliding holes (6) and the box cover (2), two groups of threaded holes (7) are formed in the clamping piece (5), the two groups of second bolts (8) respectively penetrate through the fastening plate (4), the explosion-proof equipment box (1), the clamping piece (5) and the box cover (2) in sequence, and the spiral shell dress passes two sets of screw holes (7) and explosion-proof equipment case (1) right-hand member, first nut (9) spiral shell dress is at first bolt (3) right-hand member, two sets of second nut (10) spiral shell dress is at two sets of second bolt (8) right-hand members, case lid (2) right-hand member is equipped with two sets of connecting blocks (11), two sets of lead screw (12) are the spiral shell dress respectively and pass two sets of connecting blocks (11), the one end of lead screw (12) is rotated and is equipped with cutting ferrule (13), the other end of lead screw (12) is fixed to be equipped with twists piece (14).

2. A high performance explosion-proof fastener as claimed in claim 1, wherein the right end of the fastening plate (4) is provided with a fastening pad (15).

3. A high performance explosion-proof fastener as claimed in claim 2, wherein the right end of the grip tab (5) is provided with a clamping pad (16).

4. A high performance explosion proof fastener as claimed in claim 3 further comprising two sets of spring washers (17), the two sets of spring washers (17) being fixedly mounted on the left ends of the two sets of second nuts (10), respectively.

5. A high performance explosion proof fastener as claimed in claim 4 further comprising a sliding sleeve (18), the sliding sleeve (18) being fixedly mounted within the sliding bore (6).

6. A high performance explosion proof fastener as claimed in claim 5 further comprising two sets of anti slip pads (19), the two sets of anti slip pads (19) being fixedly mounted in the two sets of ferrules (13) respectively.

7. A high performance explosion-proof fastener as claimed in claim 6, wherein the peripheral outer wall of the threaded block (14) is provided with anti-slip threads (20).

8. A high performance explosion proof fastener as claimed in claim 7, wherein said first nut (9) is a self locking nut.