CN213304889U

CN213304889U - High-performance fastener with explosion-proof function

Info

Publication number: CN213304889U
Application number: CN202022651628.1U
Authority: CN
Inventors: 柴顶旺
Original assignee: Tianjin Yongxingsheng Standard Component Co ltd
Current assignee: Tianjin Yongxingsheng Standard Component Co ltd
Priority date: 2020-11-17
Filing date: 2020-11-17
Publication date: 2021-05-28
Anticipated expiration: 2030-11-17

Abstract

The utility model discloses a high performance fastener with explosion-proof function, including connecting and electrically conductive circle, the below swing joint that connects has the metal tapered end, and the below swing joint of metal tapered end has lock nut, lock nut's below swing joint has O type sealing washer, and the below swing joint of O type sealing washer has the fixed head of preventing bending. Compared with the common fastener, the main body joint and the metal lock head are made of brass nickel-plated materials, so that the fastener is high in firmness and low in creep speed, the O-shaped sealing ring has high elasticity, the common nitrile rubber is not easy to age, the anti-tensile force of the anti-bending fixing head is high, and the fastener is effectively prevented from bursting; the conductive ring is added, so that the equipment has the function of preventing electromagnetic interference, the tensile resistance of the fastener is improved, and meanwhile, the waterproof and dustproof effects are realized, and the cable clamping range is improved; the blue silica gel does not contain halogen and a superplasticizer, is environment-friendly and ageing-resistant, and protects the cable from being damaged during vibration.

Description

High-performance fastener with explosion-proof function

Technical Field

The utility model relates to a machine part technical field specifically is a high performance fastener with explosion-proof function.

Background

The fastener is used for fastening and connecting, is a mechanical part with wide application, can be seen on various machines, equipment, vehicles, ships, railways, bridges, buildings, structures, tools, instruments, supplies and the like, and has the characteristics of various types, specifications, various performances and purposes, extremely high degree of standardization, serialization and universalization, so that the fastener with the existing national standard is called as a standard fastener or simply called as a standard part.

The existing fastener is not enough in hardness of used materials, is not waterproof, poor in sealing performance, easy to enter dust, weak in tensile resistance and small in clamping range under electromagnetic interference, easily causes the fastener to explode, is clamped too tightly in vibration, easily damages a cable, breaks a clamping ring, can not well meet the use requirements of people, and is technically innovative on the basis of the existing fastener according to the condition.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high performance fastener with explosion-proof function to propose current fastener in solving above-mentioned background art, used material hardness is not enough, and is not waterproof, and the leakproofness is poor, and the dust also gets into easily, and under the interference of electromagnetism, the stretching resistance is weak, and tight scope is little for the clamp, arouses the fastener to explode very easily, presss from both sides the tension when vibrations moreover, harms the cable easily, rolls over bad clamping ring, can not be fine satisfies people's user demand problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high performance fastener with explosion-proof function, includes and connects and electrically conductive circle, the below swing joint that connects has the metal tapered end, and the below swing joint of metal tapered end has lock nut, lock nut's below swing joint has O type sealing washer, and the below swing joint of O type sealing washer has the fixed head of preventing bending, the below swing joint that prevents the fixed head of bending has rubber seal, and rubber seal's below swing joint has gland nut, the blue silica gel of left side fixedly connected with of electrically conductive circle, and electrically conductive circle is located cable joint's inner wall, the left side swing joint of electrically conductive circle has the cable conductor.

Preferably, constitute detachable construction between joint and the metal tapered end, and be parallel to each other between the axis of metal tapered end and the axis of cable conductor.

Preferably, a detachable structure is formed between the metal lock head and the locking nut, and the central axis of the locking nut is parallel to the central axis of the O-shaped sealing ring.

Preferably, a detachable structure is formed between the O-shaped sealing ring and the bending-prevention fixing head, and the central axis of the bending-prevention fixing head is parallel to the central axis of the rubber sealing ring.

Preferably, a detachable structure is formed between the conductive ring and the joint, and a 90-degree angle is formed between the central axis of the conductive ring and the central axis of the compression nut.

Preferably, the conductive ring is tightly attached to the blue silica gel, and the central axis of the blue silica gel is parallel to the central axis of the cable.

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

1. the utility model discloses in main part joint and metal tapered end all adopt brass nickel plating material, the tightness is stronger, the wriggling is slower, and the stretching resistance is strong, and O type sealing washer has good elasticity, and is not like general butadiene acrylonitrile rubber easy ageing, and the rigidity of preventing the fixed head of bending is higher, the stretching resistance is strong, prevents that the cable from appearing the phenomenon emergence of fifty percent discount when using, when fixing the cable, has effectively prevented the burst of fastener;

2. the utility model discloses in through adding conductive ring for conductive ring can cooperate other parts in the device, after electromagnetic interference appears, conductive ring can carry out the quick dispersion with external disturbance electromagnetism, prevents that the interference electromagnetism from getting into the internal cable, has improved the electromagnetic interference resistance's of device effect, has promoted the stretching resistance of fastener, and a plurality of parts in the device have waterproof, dustproof, explosion-proof characteristics simultaneously, have improved the tight scope of cable clamp;

3. the utility model discloses in through blue silica gel's setting for do not contain halogen in the device and mould the agent by force, improve the environmental protection performance of device, and improved ageing-resistant effect, blue silica gel shape is similar to the tire form, and soft pressure clamp is tight conductive ring, and the protection cable does not receive the damage when vibrations, indirectly improves the protective effect of device to the cable.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the present invention;

fig. 3 is a schematic view of the top view structure of the present invention.

In the figure: 1. a joint; 2. a metal lock head; 3. locking the nut; 4. an O-shaped sealing ring; 5. a bending prevention fixing head; 6. a rubber seal ring; 7. a compression nut; 8. a conductive ring; 9. blue silica gel; 10. and (3) a cable.

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, the present invention provides a technical solution: the utility model provides a high performance fastener with explosion-proof function, including connecting 1 and conductive ring 8, the below swing joint that connects 1 has metal tapered end 2, and the below swing joint of metal tapered end 2 has lock nut 3, the below swing joint of lock nut 3 has O type sealing washer 4, and the below swing joint of O type sealing washer 4 has the fixed head 5 of preventing bending, the below swing joint of the fixed head 5 of preventing bending has rubber seal 6, and the below swing joint of rubber seal 6 has gland nut 7, the blue silica gel 9 of left side fixedly connected with of conductive ring 8, and conductive ring 8 is located cable joint 1's inner wall, the left side swing joint of conductive ring 8 has cable conductor 10.

The utility model discloses in: a detachable structure is formed between the joint 1 and the metal lock head 2, and the central axis of the metal lock head 2 is parallel to the central axis of the cable 10; the main body joint 1 and the metal lock head 2 are both made of brass nickel plating materials, and have the advantages of strong firmness, slow creeping and strong tensile resistance.

The utility model discloses in: a detachable structure is formed between the metal lock head 2 and the locking nut 3, and the central axis of the locking nut 3 is parallel to the central axis of the O-shaped sealing ring 4; the locking nut 3 is simple to install and convenient for locking the cable, so that the sheath of the cable cannot be scratched.

The utility model discloses in: a detachable structure is formed between the O-shaped sealing ring 4 and the bending-prevention fixing head 5, and the central axis of the bending-prevention fixing head 5 is parallel to the central axis of the rubber sealing ring 6; the O-shaped sealing ring 4 has good elasticity, is not easy to age like common nitrile rubber, the anti-tensile force of the bending-preventing fixing head 5 is strong, and the explosion of the fastening piece is effectively prevented while the cable is fixed.

The utility model discloses in: a detachable structure is formed between the conductive ring 8 and the joint 1, and the central axis of the conductive ring 8 and the central axis of the compression nut 7 form an angle of 90 degrees; the conductive ring 8 is added, so that the equipment can play a role in preventing electromagnetic interference, the tensile resistance of the fastener is improved, meanwhile, the waterproof, dustproof and explosion-proof effects are realized, and the cable clamping range is improved.

The utility model discloses in: the conductive ring 8 is tightly attached to the blue silica gel 9, and the central axis of the blue silica gel 9 is parallel to the central axis of the cable 10; the blue silica gel 9 does not contain halogen and a superplasticizer, is environment-friendly and ageing-resistant, has a shape similar to that of a tire, clamps the conductive ring 8 by soft pressing, and protects the cable from being damaged during vibration.

The working principle of the high-performance fastener with the explosion-proof function is as follows: firstly, a cable 10 penetrates through a conductive ring 8, and then fastener parts sequentially penetrate through the conductive ring 8;

secondly, sleeving an O-shaped sealing ring 4 on a joint 1 main body, sleeving a locking nut 3 on the joint 1 main body, tightly connecting a metal lock head 2 with the locking nut 3, tightly connecting an anti-bending fixing head 5 with the metal lock head 2, inserting a rubber sealing ring 6 into the anti-bending fixing head 5, and tightly connecting a compression nut 7 with the anti-bending fixing head 5;

secondly, the locking nut 3 is screwed down to ensure that the O-shaped sealing ring 4 is tightly attached to the joint 1; then the compression nut 7 is screwed tightly, so that the rubber sealing ring 6 fully enters the anti-bending fixing head 5;

and finally checking whether the whole fastener is fastened well.

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 high performance fastener with explosion-proof function, includes joint (1) and conductive ring (8), its characterized in that: the utility model discloses a cable connector, including connect the below swing joint of (1) and have metal tapered end (2), and the below swing joint of metal tapered end (2) has lock nut (3), the below swing joint of lock nut (3) has O type sealing washer (4), and the below swing joint of O type sealing washer (4) has bending prevention fixed head (5), the below swing joint of bending prevention fixed head (5) has rubber seal (6), and the below swing joint of rubber seal (6) has gland nut (7), the blue silica gel (9) of left side fixedly connected with of conductive ring (8), and conductive ring (8) are located the inner wall of cable connector (1), the left side swing joint of conductive ring (8) has cable conductor (10).

2. The high-performance fastener with explosion-proof function according to claim 1, characterized in that: a detachable structure is formed between the joint (1) and the metal lock head (2), and the central axis of the metal lock head (2) is parallel to the central axis of the cable (10).

3. The high-performance fastener with explosion-proof function according to claim 1, characterized in that: a detachable structure is formed between the metal lock head (2) and the locking nut (3), and the central axis of the locking nut (3) is parallel to the central axis of the O-shaped sealing ring (4).

4. The high-performance fastener with explosion-proof function according to claim 1, characterized in that: the O-shaped sealing ring (4) and the bending-prevention fixing head (5) form a detachable structure, and the central axis of the bending-prevention fixing head (5) is parallel to the central axis of the rubber sealing ring (6).

5. The high-performance fastener with explosion-proof function according to claim 1, characterized in that: a detachable structure is formed between the conductive ring (8) and the joint (1), and the central axis of the conductive ring (8) and the central axis of the compression nut (7) are 90 degrees.

6. The high-performance fastener with explosion-proof function according to claim 1, characterized in that: the conductive ring (8) is tightly attached to the blue silica gel (9), and the central axis of the blue silica gel (9) is parallel to the central axis of the cable (10).