CN217590232U

CN217590232U - Cable joint explosion-proof equipment

Info

Publication number: CN217590232U
Application number: CN202221466545.8U
Authority: CN
Inventors: 沈斌; 沈万康
Original assignee: Taizhou Yiweide Electric Co ltd
Current assignee: Taizhou Yiweide Electric Co ltd
Priority date: 2022-06-13
Filing date: 2022-06-13
Publication date: 2022-10-14
Anticipated expiration: 2032-06-13

Abstract

The utility model relates to a cable protection technical field, especially, relate to a cable joint explosion-proof equipment, including explosion-proof housing, symmetry fixed mounting has the inserted block on the explosion-proof housing lateral wall, the even equidistance fixed mounting in explosion-proof housing surface has solid fixed ring, run through fixed mounting between a plurality of solid fixed rings and have the strengthening rib, explosion-proof housing upper end center department has seted up the intercommunication groove, two inserted blocks are located intercommunication groove both sides respectively, symmetry fixed mounting has coupling mechanism on the explosion-proof housing lateral wall, coupling mechanism includes an external thread section of thick bamboo, two external thread section of thick bamboo fixed mounting respectively are at explosion-proof housing both ends, one of two external thread sections of thick bamboo is kept away from explosion-proof housing and is served equal fixed mounting and has the shell fragment, equal fixed mounting has sealed the pad in two shell fragment inner walls, two equal thread covers in external thread section of thick bamboo surface are equipped with an internal thread section of thick bamboo, the chute has been seted up on the internal thread section of thick bamboo lateral wall, the chute is the infundibulate, make this equipment better to cable joint's explosion-proof protection effect, explosion-proof effect is better.

Description

Cable joint explosion-proof device

Technical Field

The utility model relates to a cable protection technical field especially relates to a cable joint explosion-proof equipment.

Background

After the cable is laid, each section of the cable must be connected into a whole in order to form a continuous line, the connection points are called cable connectors, the cable connector in the middle of the cable line is called an intermediate connector, the cable connectors at two ends of the line are called terminal connectors, and the cable connectors are used for locking and fixing incoming and outgoing lines and play a role in water resistance, dust resistance and vibration resistance.

However, the cable intermediate joint is easily affected by human factors, construction and operation environments, breakdown or explosion accidents are inevitably generated, the explosion-proof effect is poor, and therefore energy released by cable joint faults can cause damage to peripheral cable lines, facilities and personnel.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a cable joint explosion-proof device.

In order to solve the technical problem, the utility model provides a following technical scheme: an explosion-proof device for a cable joint comprises an explosion-proof shell, wherein inserting blocks are symmetrically and fixedly arranged on the side wall of the explosion-proof shell, fixing rings are uniformly and equidistantly fixedly arranged on the surface of the explosion-proof shell, reinforcing ribs are fixedly arranged among the fixing rings in a penetrating manner, a communicating groove is formed in the center of the upper end part of the explosion-proof shell, and the two inserting blocks are respectively positioned on two sides of the communicating groove;

the side wall of the explosion-proof shell is symmetrically and fixedly provided with a connecting mechanism;

the connecting mechanism comprises external thread cylinders, and the two external thread cylinders are fixedly arranged at two ends of the explosion-proof shell respectively;

a pressure relief mechanism is fixedly arranged in the communicating groove;

the pressure relief mechanism comprises a communicating pipe, the communicating pipe is fixedly installed inside the explosion-proof shell, and an annular groove is formed in the side wall of the communicating pipe.

As a preferred technical scheme of the utility model, two the explosion-proof shell is kept away from to an external screw thread section of thick bamboo serves one and serves equal fixed mounting have the shell fragment, two equal fixed mounting has sealed the pad in the shell fragment inner wall.

As a preferred technical scheme of the utility model, two the equal thread bush in external screw thread section of thick bamboo surface is equipped with an internal thread section of thick bamboo, the chute has been seted up on the internal thread section of thick bamboo lateral wall, the chute is the infundibulate.

As a preferred technical scheme of the utility model, first pressure release groove has been seted up to the symmetry in the ring channel inner wall, communicating pipe surface cover is equipped with the gravity cap, fixed mounting has the inner ring in the gravity cap inner wall.

As a preferred technical scheme of the utility model, the inner ring movable sleeve is established in the ring channel, the slot has been seted up to the tip symmetry under the gravity cap, two establish in two slots in the inserted block slides respectively.

As a preferred technical scheme of the utility model, the second pressure release groove has been seted up to the symmetry on the gravity cap lateral wall, the second pressure release groove just equals just to just the size with first pressure release groove.

Compared with the prior art, the utility model discloses the beneficial effect that can reach is:

firstly, the movement of the internal thread cylinder applies extrusion force to the elastic sheet and the sealing gasket, the extrusion elastic sheet and the sealing gasket are inwardly extruded under the action of the extrusion force to complete the contraction, so that the cable is effectively clamped and fixed, the stability is higher, the sealing effect during the installation of the cable is ensured through the design of the sealing gasket, and the overall structural strength of the equipment is enhanced through the staggered design of the fixing rings and the reinforcing ribs, so that the explosion protection effect of the equipment on a cable joint is better, and the explosion protection effect is better;

and secondly, when the gravity cap drives the inner ring fixed with the gravity cap to move upwards in the annular groove, the pressure relief operation is completed when the second pressure relief groove is overlapped with the first pressure relief groove, so that the equipment can effectively relieve the pressure inside the explosion-proof shell when in use, and the explosion-proof effect of the equipment is further ensured.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the connection explosion structure of the internal thread cylinder of the present invention;

FIG. 3 is a schematic view of the connection and explosion structure of the communication pipe of the present invention;

fig. 4 is a schematic view of the gravity cap connection structure of the present invention.

Wherein: 11. an explosion-proof housing; 12. inserting a block; 13. a fixing ring; 14. reinforcing ribs; 15. a communicating groove; 21. an externally threaded barrel; 22. a spring plate; 23. a gasket; 24. an internal thread cylinder; 25. a chute; 31. a communicating pipe; 32. an annular groove; 33. a first pressure relief groove; 34. a gravity cap; 35. an inner ring; 36. a slot; 37. a second pressure relief groove.

Detailed Description

In order to make the technical means, creation features, achievement objects and functions of the present invention easy to understand, the present invention will be further explained with reference to the following embodiments, however, the following embodiments are only preferred embodiments of the present invention, and not all embodiments are included. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

Example (b):

as shown in fig. 1, 2, 3 and 4, an explosion-proof device for a cable joint comprises an explosion-proof housing 11, wherein insert blocks 12 are symmetrically and fixedly installed on the side wall of the explosion-proof housing 11, fixing rings 13 are uniformly and equidistantly fixedly installed on the surface of the explosion-proof housing 11, reinforcing ribs 14 are fixedly installed among the fixing rings 13 in a penetrating manner, a communicating groove 15 is formed in the center of the upper end of the explosion-proof housing 11, and the two insert blocks 12 are respectively located on two sides of the communicating groove 15;

the connecting mechanisms are symmetrically and fixedly arranged on the side wall of the explosion-proof shell 11;

the connecting mechanism comprises external thread cylinders 21, the two external thread cylinders 21 are respectively and fixedly installed at two ends of the explosion-proof shell 11, elastic pieces 22 are respectively and fixedly installed at one ends, away from the explosion-proof shell 11, of the two external thread cylinders 21, sealing gaskets 23 are respectively and fixedly installed in the inner walls of the two elastic pieces 22, internal thread cylinders 24 are respectively sleeved on the surfaces of the two external thread cylinders 21 in a threaded manner, chutes 25 are formed in the side walls of the internal thread cylinders 24, the chutes 25 are funnel-shaped, when the connecting device is used, a cable connector can be placed inside the explosion-proof shell 11, at the moment, the two internal thread cylinders 24 can be synchronously rotated on the two external thread cylinders 21, relative movement on the external thread cylinders 21 is realized under the rotation of the internal thread cylinders 24, when the elastic pieces 22 and the sealing gaskets 23 are in contact with the chutes 25, at the moment, the movement of the internal thread cylinders 24 exerts extrusion force on the elastic pieces 22 and the sealing gaskets 23, the extrusion of the elastic pieces 22 and the sealing gaskets 23 are retracted inwards under the action of the extrusion force, so that the cables can be effectively clamped and fixed, the stability is higher, and the sealing effect of the cable connector is ensured through the design of the fixing rings 13 and the reinforcing ribs 14, the overall structural strength of the device is enhanced, the explosion-proof shell connector is better, and the explosion-proof effect of the explosion-proof shell is better;

a pressure relief mechanism is fixedly arranged in the communicating groove 15;

the pressure relief mechanism comprises a communication pipe 31, the communication pipe 31 is fixedly installed inside the explosion-proof shell 11, an annular groove 32 is formed in the side wall of the communication pipe 31, first pressure relief grooves 33 are symmetrically formed in the inner wall of the annular groove 32, a gravity cap 34 is sleeved on the surface of the communication pipe 31, an inner ring 35 is fixedly installed in the inner wall of the gravity cap 34, the inner ring 35 is movably sleeved in the annular groove 32, slots 36 are symmetrically formed in the lower end portion of the gravity cap 34, two plug-in blocks 12 are respectively arranged in the two slots 36 in a sliding mode, a second pressure relief groove 37 is symmetrically formed in the side wall of the gravity cap 34, the second pressure relief groove 37 is opposite to the first pressure relief groove 33 in size, when the internal air pressure of the explosion-proof shell 11 is high, the internal air pressure of the explosion-proof shell 11 is discharged through the communication pipe 31 and acts on the gravity cap 34, the gravity cap 34 moves upwards under the influence of the air pressure, the gravity cap 34 drives the inner ring 35 fixed with the inner ring to move upwards inside the annular groove 32, and when the explosion-proof shell is overlapped with the second pressure relief groove 37 and the first pressure relief groove 33, explosion-proof shell 11, so that the explosion-proof shell can be effectively relieved when the explosion-proof shell is used.

The working principle is as follows:

the first step is as follows: when the cable joint is used, the cable joint can be placed inside the explosion-proof shell 11, at the moment, the two internal thread cylinders 24 can be synchronously rotated on the two external thread cylinders 21, the internal thread cylinders 24 can relatively move on the external thread cylinders 21 under the rotation of the internal thread cylinders 24, when the elastic sheet 22 and the sealing gasket 23 are in contact with the chute 25, the movement of the internal thread cylinders 24 exerts extrusion force on the elastic sheet 22 and the sealing gasket 23, and the extrusion elastic sheet 22 and the sealing gasket 23 are inwards contracted under the action of the extrusion force, so that the cable is effectively clamped and fixed, the stability is higher, the sealing effect during cable installation is ensured through the design of the sealing gasket 23, and the structural strength of the whole equipment is enhanced through the staggered design of the fixing rings 13 and the reinforcing ribs 14, so that the explosion-proof protection effect of the equipment on the cable joint is better, and the explosion-proof effect is better;

the second step: when the inside atmospheric pressure of explosion-proof housing 11 is higher, the inside atmospheric pressure of explosion-proof housing 11 can be passed through communicating pipe 31 discharge effect on gravity cap 34 this moment, gravity cap 34 will upwards take place to remove by the influence of atmospheric pressure this moment, gravity cap 34 will drive the inner ring 35 fixed with it and upwards take place to remove in annular groove 32 inside this moment, accomplish the pressure release operation when second pressure release groove 37 overlaps with first pressure release groove 33 this moment, make this equipment can effectively carry out the pressure release to explosion-proof housing 11 inside when using, the explosion-proof effect of equipment has further been guaranteed.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited thereto, and various changes can be made without departing from the gist of the present invention within the scope of knowledge possessed by those skilled in the art.

Claims

1. The utility model provides a cable joint explosion-proof equipment, includes explosion-proof housing (11), symmetry fixed mounting has inserted block (12), its characterized in that on explosion-proof housing (11) lateral wall: the surface of the explosion-proof shell (11) is uniformly and equidistantly fixedly provided with fixing rings (13), reinforcing ribs (14) are fixedly arranged among the fixing rings (13) in a penetrating manner, the center of the upper end of the explosion-proof shell (11) is provided with a communicating groove (15), and the two inserting blocks (12) are respectively positioned on two sides of the communicating groove (15);

the side wall of the explosion-proof shell (11) is symmetrically and fixedly provided with connecting mechanisms;

the connecting mechanism comprises external thread cylinders (21), and the two external thread cylinders (21) are respectively and fixedly arranged at two ends of the explosion-proof shell (11);

a pressure relief mechanism is fixedly arranged in the communicating groove (15);

the pressure relief mechanism comprises a communication pipe (31), the communication pipe (31) is fixedly installed inside the explosion-proof shell (11), and an annular groove (32) is formed in the side wall of the communication pipe (31).

2. The cable joint explosion-proof device according to claim 1, wherein one end of each of the two externally threaded cylinders (21) far away from the explosion-proof housing (11) is fixedly provided with a spring plate (22), and the inner walls of the two spring plates (22) are fixedly provided with a sealing gasket (23).

3. The cable joint explosion-proof device according to claim 2, wherein the surface of each of the two externally threaded barrels (21) is threaded with an internally threaded barrel (24), the side wall of the internally threaded barrel (24) is provided with a chute (25), and the chute (25) is funnel-shaped.

4. The cable joint explosion-proof device according to claim 1, wherein the inner wall of the annular groove (32) is symmetrically provided with first pressure relief grooves (33), the surface of the communication pipe (31) is sleeved with a gravity cap (34), and the inner wall of the gravity cap (34) is fixedly provided with an inner ring (35).

5. The cable joint explosion-proof device according to claim 4, wherein the inner ring (35) is movably sleeved in the annular groove (32), slots (36) are symmetrically formed in the lower end of the gravity cap (34), and the two insertion blocks (12) are respectively slidably and internally arranged in the two slots (36).

6. The cable joint explosion-proof device according to claim 5, wherein the side wall of the gravity cap (34) is symmetrically provided with second pressure relief grooves (37), and the second pressure relief grooves (37) are opposite to the first pressure relief grooves (33) and have the same size.