CN213981570U

CN213981570U - High-performance fastener with explosion-proof function

Info

Publication number: CN213981570U
Application number: CN202022423409.8U
Authority: CN
Inventors: 俞雪平
Original assignee: Individual
Current assignee: Chengdu Youlite New Material Technology Co ltd
Priority date: 2020-10-28
Filing date: 2020-10-28
Publication date: 2021-08-17
Anticipated expiration: 2030-10-28

Abstract

The utility model discloses a high-performance fastener with explosion-proof function, including the connecting piece, the fixed block of surface mounting of connecting piece, the holding tank has been seted up on the surface of fixed block, the inner wall surface of holding tank runs through and has seted up first sliding tray, the holding tank runs through with the inside of first sliding tray has the fastener that the cross-section is "T" type structure, the second sliding tray has all been seted up to four sides of fixed block, the inner wall surface symmetry of second sliding tray has seted up spacing groove; through fixed block, holding tank, metal sheet, blotter, stopper, spacing groove, the second sliding tray of design, can avoid the fastener directly to expose externally, play certain buffering, explosion-proof effect to it simultaneously, avoid it to receive great external force and strike, appear not hard up and destroyed even, this simple structure moreover, the practicality is strong.

Description

High-performance fastener with explosion-proof function

Technical Field

The utility model belongs to the technical field of the fastener, concretely relates to high performance fastener with explosion-proof function.

Background

The fastener is a mechanical part which is used for fastening connection and has extremely wide application. The fastener is widely used in the industries including energy, electronics, electrical appliances, machinery, chemical industry, metallurgy, molds, hydraulic pressure and the like, and various fasteners can be seen on various machines, equipment, vehicles, ships, railways, bridges, buildings, structures, tools, instruments, chemical industry, instruments, supplies and the like, and are the most widely applied mechanical basic parts. It features various varieties and specifications, different functions and usages, and very high standardization, serialization and universalization degrees.

The existing fastener is generally exposed outside the connecting piece when in use, has no corresponding explosion-proof function, is easy to loose or even damaged by impact of external force, causes certain influence on normal use of the fastener, is mostly independent individual, is easy to lose when being detached, and therefore needs to design a structure to solve the problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high performance fastener with explosion-proof function to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: high performance fastener with explosion-proof function, including the connecting piece, the fixed surface of connecting piece has the fixed block, the holding tank has been seted up on the surface of fixed block, the inner wall surface of holding tank runs through and has seted up first sliding tray, the holding tank runs through the fastener that has the cross-section to be "T" type structure with the inside of first sliding tray, the second sliding tray has all been seted up to four sides of fixed block, the spacing groove has been seted up to the inner wall surface symmetry of second sliding tray, the inside embedding of second sliding tray has the metal sheet, the fixed surface of metal sheet has the blotter, be connected with a plurality of springs between the inner wall of metal sheet and second sliding tray, the both ends symmetry of metal sheet is fixed with the stopper, stopper embedding to the inside of spacing groove.

Preferably, the bottom of connecting piece is provided with the stationary plane, the rotation groove has been seted up on the surface of stationary plane, the second thread groove has been seted up on the inner wall surface in rotation groove, the bottom mounting of connecting piece has the holding ring, the holding ring imbeds to the inside in rotation groove, first thread groove has been seted up to the inside of connecting piece, the top of first thread groove runs through with bottom inner wall surface symmetry and has seted up the through-hole, the one end of fastener runs through the inside that first thread groove and through-hole embedded into the second thread groove, pass through threaded connection between the bottom of fastener and the inner wall of second thread groove, the fixed surface of fastener has solid fixed ring, also pass through threaded connection between the inner wall of solid fixed ring and first thread groove.

Preferably, a gasket is arranged between the fastening piece and the inner wall of the accommodating groove, and the gasket is a rubber component.

Preferably, the top end surface of the fastener is provided with a cross groove, and the top end surface of the fastener is provided with a zinc coating.

Preferably, a plurality of projections are fixed on the inner wall surface of the accommodating groove, and each projection is tightly attached to the surface of the fastener.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through fixed block, holding tank, metal sheet, blotter, stopper, spacing groove, the second sliding tray of design, can avoid the fastener directly to expose externally, play certain buffering, explosion-proof effect to it simultaneously, avoid it to receive great external force and strike, appear not hard up and destroyed even, this simple structure moreover, the practicality is strong.

2. Through the solid fixed ring and the first thread groove of design, can be connected the connecting piece with the fastener, avoid resulting in the fastener to lose when dismantling, through the rotation groove and the holding ring of design, the bottom embedding of convenience with the fastener is to the inside of second thread groove.

Drawings

Fig. 1 is a front sectional view of the present invention;

fig. 2 is a top view of the fixing block of the present invention;

FIG. 3 is an enlarged view of area A of FIG. 1 according to the present invention;

fig. 4 is an enlarged view of the region B in fig. 1 according to the present invention.

In the figure: 1. a connecting member; 2. a fixed block; 3. a fixed surface; 4. accommodating grooves; 5. a fastener; 6. a first sliding groove; 7. a first thread groove; 8. a fixing ring; 9. a second thread groove; 10. a metal plate; 11. a cushion pad; 12. a second sliding groove; 13. a limiting groove; 14. a limiting block; 15. a rotating groove; 16. a retaining ring.

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.

Example 1

Referring to fig. 1 to 3, the present invention provides a technical solution: a high-performance fastener with an explosion-proof function comprises a connecting piece 1, wherein a fixed block 2 is fixed on the surface of the connecting piece 1, an accommodating groove 4 is formed in the surface of the fixed block 2, a first sliding groove 6 is formed in the surface of the inner wall of the accommodating groove 4 in a penetrating manner, a fastener 5 with a T-shaped structure in cross section penetrates through the accommodating groove 4 and the inside of the first sliding groove 6, second sliding grooves 12 are formed in the four side surfaces of the fixed block 2, limiting grooves 13 are symmetrically formed in the surface of the inner wall of each second sliding groove 12, a metal plate 10 is embedded in each second sliding groove 12, a buffer cushion 11 is fixed on the surface of each metal plate 10, a plurality of springs are connected between the metal plate 10 and the inner wall of each second sliding groove 12, limiting blocks 14 are symmetrically fixed at the two ends of each metal plate 10, and the limiting blocks 14 are arranged on the two ends of the metal plates 2, the accommodating groove 4, the metal plates 10, the buffer cushions 11, the limiting blocks 14, the limiting grooves 13 and the second sliding grooves 12, can avoid fastener 5 directly to expose externally, play certain buffering, explosion-proof effect to it simultaneously, avoid it to receive great external force and strike, appear not hard up and even destroyed, this simple structure moreover, the practicality is strong, stopper 14 imbeds to the inside of spacing groove 13.

Example 2

Referring to fig. 1 to 4, the present invention provides a technical solution: a high-performance fastener with an explosion-proof function comprises a connecting piece 1, wherein a fixed block 2 is fixed on the surface of the connecting piece 1, an accommodating groove 4 is formed in the surface of the fixed block 2, a first sliding groove 6 is formed in the surface of the inner wall of the accommodating groove 4 in a penetrating manner, a fastener 5 with a T-shaped structure in cross section penetrates through the accommodating groove 4 and the inside of the first sliding groove 6, second sliding grooves 12 are formed in the four side surfaces of the fixed block 2, limiting grooves 13 are symmetrically formed in the surface of the inner wall of each second sliding groove 12, a metal plate 10 is embedded in each second sliding groove 12, a buffer cushion 11 is fixed on the surface of each metal plate 10, a plurality of springs are connected between the metal plate 10 and the inner wall of each second sliding groove 12, limiting blocks 14 are symmetrically fixed at the two ends of each metal plate 10, and the limiting blocks 14 are arranged on the two ends of the metal plates 2, the accommodating groove 4, the metal plates 10, the buffer cushions 11, the limiting blocks 14, the limiting grooves 13 and the second sliding grooves 12, can avoid fastener 5 directly to expose externally, play certain buffering, explosion-proof effect to it simultaneously, avoid it to receive great external force and strike, appear not hard up and even destroyed, this simple structure moreover, the practicality is strong, stopper 14 imbeds to the inside of spacing groove 13.

In this embodiment, preferably, the bottom of the connecting member 1 is provided with a fixing surface 3, the surface of the fixing surface 3 is provided with a rotating groove 15, the inner wall surface of the rotating groove 15 is provided with a second thread groove 9, the bottom end of the connecting member 1 is fixed with a positioning ring 16, the positioning ring 16 is embedded into the rotating groove 15, the connecting member 1 is internally provided with a first thread groove 7, the top end of the first thread groove 7 and the inner wall surface of the bottom end are symmetrically provided with through holes, one end of the fastening member 5 penetrates through the first thread groove 7 and the through holes and is embedded into the second thread groove 9, the bottom end of the fastening member 5 and the inner wall of the second thread groove 9 are in threaded connection, the surface of the fastening member 5 is fixed with a fixing ring 8, the connecting member 1 and the fastening member 5 can be connected through the designed fixing ring 8 and the first thread groove 7, thereby avoiding the loss of the fastening member 5 during disassembly, through the designed rotating groove 15 and the positioning ring 16, the bottom end of the fastener 5 is conveniently embedded into the second thread groove 9, and the fixing ring 8 is also in threaded connection with the inner wall of the first thread groove 7.

In this embodiment, preferably, a washer is disposed between the fastening member 5 and the inner wall of the receiving groove 4, the washer can increase the stability of the fastening member 5, and the washer is a rubber member.

In this embodiment, preferably, the top surface of the fastening member 5 is provided with a cross groove, the cross groove facilitates rotation of the fastening member 5, and the top surface of the fastening member 5 is provided with a zinc coating layer which can prevent the top surface of the fastening member 5 from being rusted.

In this embodiment, preferably, a plurality of protrusions are fixed on the inner wall surface of the receiving groove 4, each protrusion is tightly attached to the surface of the fastening member 5, and the protrusions can increase the friction force between the protrusions and the fastening member, so as to further improve the stability of the fastening member.

The utility model discloses a theory of operation and use flow: when the utility model is used, the connecting piece 1 is fixedly connected with the fixed surface 3 at first, the positioning ring 16 is embedded into the rotating groove 15, at the moment, the through hole corresponds to the position of the second thread groove 9, then the fastening piece 5 is rotated by using a tool, the fastening piece 5 drives the fixing ring 8 on the surface to rotate in the same direction in the first thread groove 7, the fixing ring 8 has a limiting function on the fastening piece 5, the fastening piece and the connecting piece 1 are connected into a whole, the fastening piece 5 is prevented from being lost when being disassembled, because the fixing ring 8 is connected with the inner wall of the first thread groove 7 through threads, the fixing ring 8 also moves downwards while rotating, the bottom end of the fixing ring 8 is embedded into the second thread groove 9, and is also connected with the inner wall of the second thread groove 9 through threads, the fastening piece 5 continues to rotate until the bottom end is completely embedded into the second thread groove 9, just with connecting piece 1 and stationary plane 3 fixed connection, at this moment, the top of fastener 5 also imbeds to the inside of holding tank 4, the top extrusion packing ring of fastener 5, the stability of fastener 5 has been improved, if the device is when using, receive the impact of great external force, external force acts on blotter 11, make it take place to warp, thereby consume part impact force, blotter 11 extrudes metal sheet 10, make its inside slip at second sliding tray 12, metal sheet 10 is gliding also drives stopper 14 at both ends in the inside syntropy slip of spacing groove 13 simultaneously, at this moment, metal sheet 10 extrudes the spring, make its atress shrink, consume part impact force again, reach the buffering, explosion-proof effect, avoid fastener 5 to take place to become flexible even to be destroyed.

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. High performance fastener with explosion-proof function, including connecting piece (1), its characterized in that: the surface of the connecting piece (1) is fixed with a fixing block (2), the surface of the fixing block (2) is provided with an accommodating groove (4), the inner wall surface of the accommodating groove (4) is provided with a first sliding groove (6) in a penetrating manner, the accommodating groove (4) and the inside of the first sliding groove (6) are provided with a fastener (5) with a T-shaped cross section, four side surfaces of the fixing block (2) are provided with second sliding grooves (12), the inner wall surface of each second sliding groove (12) is symmetrically provided with limiting grooves (13), a metal plate (10) is embedded into each second sliding groove (12), the surface of the metal plate (10) is fixed with a cushion pad (11), a plurality of springs are connected between the inner walls of the metal plate (10) and the second sliding grooves (12), and limiting blocks (14) are symmetrically fixed at two ends of the metal plate (10), the limiting block (14) is embedded into the limiting groove (13).

2. The high-performance fastener with explosion-proof function according to claim 1, characterized in that: the bottom of the connecting piece (1) is provided with a fixed surface (3), the surface of the fixed surface (3) is provided with a rotating groove (15), a second thread groove (9) is formed on the inner wall surface of the rotating groove (15), a positioning ring (16) is fixed at the bottom end of the connecting piece (1), the positioning ring (16) is embedded into the rotating groove (15), a first thread groove (7) is formed in the connecting piece (1), the inner wall surfaces of the top end and the bottom end of the first thread groove (7) are symmetrically provided with through holes in a penetrating way, one end of the fastener (5) penetrates through the first thread groove (7) and the through hole and is embedded into the second thread groove (9), the bottom end of the fastener (5) is connected with the inner wall of the second thread groove (9) through threads, the surface of fastener (5) is fixed with solid fixed ring (8), also through threaded connection between solid fixed ring (8) and the inner wall of first thread groove (7).

3. The high-performance fastener with explosion-proof function according to claim 1, characterized in that: be provided with the packing ring between the inner wall of fastener (5) and holding tank (4), the packing ring is the rubber material component.

4. The high-performance fastener with explosion-proof function according to claim 1, characterized in that: the top end surface of the fastening piece (5) is provided with a cross groove, and the top end surface of the fastening piece (5) is provided with a zinc coating.

5. The high-performance fastener with explosion-proof function according to claim 1, characterized in that: a plurality of projections are fixed on the surface of the inner wall of the accommodating groove (4), and each projection is tightly attached to the surface of the fastener (5).