CN209994079U - Cable terminal end socket - Google Patents

Abstract

The utility model relates to a cable termination head discloses a set up sealed buffer memory structure through the cable tip that has processed, carries out the buffer memory with the gas that the cable produced, and the cooperation spring structure carries out the head of release that exhausts. The gas in the end socket can be exhausted and ventilated, and the phenomenon of cable bulging is reduced. The novel sealing head is characterized in that the fixing ring is in threaded connection with the inner wall of one end of the sealing head main body, the sealing head main body is of a cylindrical structure, internal threads are arranged at two ends of the sealing head main body, a support ring is arranged on the inner wall of the sealing head main body and is close to one end of the sealing head main body, a circle of groove is formed in the inner wall of the support ring, a seal rubber sleeve is arranged in the groove, the inner diameter of the fixing ring is the same as the inner diameter of the support ring, a spring sleeve is arranged between the support ring and the fixing ring, a circle of limiting groove is arranged on the outer wall of the sealing head main body in a clamping mode, the limiting groove is.

Description

Cable terminal end socket

Technical Field

The utility model relates to a cable termination head relates to one kind and accomplishes the back at cable production, carries out exhaust protection head that leads to the inside gas of cable, belongs to the circuit cable field. In particular to a seal head which is provided with a sealing buffer structure at the end part of a processed cable, buffers the gas generated by the cable and is matched with a spring structure to exhaust and release pressure.

Background

After the processing of medium and high voltage cable is accomplished, generally need carry out the head with its tip in order to prevent that the cable tip from exposing to damp, and medium and high voltage cable is because its production technology influences behind the head, and a part of gas can spill over in its cable inside, and because its tip is sealed, lead to gaseous unable follow tip spill out, gas gathers inside its atmospheric pressure that causes of cable, lead to cable sheath lax even take place the phenomenon of swell, make the cable produce the electric leakage condition because the clearance influences when using the connection, cause the threat to personnel's life safety.

The publication number CN201781256U discloses a cable head cap with one-way exhaust, which comprises a head cap, wherein a one-way valve is arranged in the middle of the head cap; the ventilation direction of the one-way valve is from inside to outside. The clearance between check valve and the head cap sealed by sealed glue, this head cap and cable junction adopt the blowtorch heating to make the head cap shrink and seal the cable, and because the check valve just can open under reaching certain pressure and carry out the air current and flow, when the inside atmospheric pressure of head did not reach predetermined atmospheric pressure, its inside atmospheric pressure extrudees the normal sealing performance that influences the junction to the remaining gap of head cap and cable junction easily.

Disclosure of Invention

In order to improve the condition, the utility model relates to a cable termination head provides one kind and sets up sealed buffer memory structure through the cable tip that has processed, carries out the buffer memory with the gas that the cable produced, and cooperation spring structure carries out the head of release of exhausting. The gas in the end socket can be exhausted and ventilated, and the phenomenon of cable bulging is reduced.

The utility model relates to a cable termination head is realized like this: the utility model relates to a cable terminal end socket, which comprises a slide bar, a main body of the end socket, absorbent cotton, a socket, a sealing rubber sleeve, a spring, a fixed cover plate, a guide sleeve, a piston, air holes, a sealing ring, an air cavity, an elastic sleeve, a through hole and a fixed ring, wherein the fixed ring is screwed on the inner wall of one end of the main body of the end socket, the main body of the end socket is of a cylinder structure, two ends of the main body of the end socket are provided with internal threads, the inner wall of the main body of the end socket is provided with a support ring, the support ring is close to one end of the main body of the end socket, the inner wall of the support ring is provided with a circle of groove, the sealing rubber sleeve is arranged in the groove, the inner diameter of the fixed ring is the same as the inner diameter of the support ring, the spring sleeve is arranged between, the air holes penetrate through the wall thickness of the seal head main body, the water absorption cotton is sleeved in the limiting groove, the piston is arranged in the seal head main body, the fixed cover plate is in threaded connection with the other end of the seal head main body, the guide sleeve is arranged on the fixed cover plate, the sliding rod is vertically arranged on the piston and penetrates out of the seal head main body through the guide sleeve, the sealing ring is arranged between the piston and the seal head main body, and the spring is arranged in the seal head main body and between the piston and the fixed cover plate.

Has the beneficial effects.

Firstly, can carry out the ventilative action of exhaust to the inside gas of head, reduce the cable bulge phenomenon.

And secondly, sealing and plugging are carried out on the joint of the end socket and the cable through the internal gas pressure, so that the sealing effect of the joint of the end socket and the cable is improved.

Thirdly, the use and the operation are simple and convenient.

Drawings

Fig. 1 the utility model relates to a three-dimensional structure chart of cable termination head.

Fig. 2 the utility model relates to a structure schematic diagram of cable termination head.

Fig. 3 the utility model relates to a cable termination head embodiment 2's schematic structure diagram.

Fig. 4 the utility model relates to a cable termination head embodiment 3's schematic structure diagram.

In the attached drawings

Wherein the parts are: the sealing device comprises a sliding rod 1, a sealing head main body 2, absorbent cotton 3, a socket 4, a sealing rubber sleeve 5, a spring 6, a fixed cover plate 7, a guide sleeve 8, a piston 9, air holes 10, a sealing ring 11, an air cavity 12, an elastic sleeve 13, a through hole 14, a fixed ring 15, a transparent window 16 and a sliding baffle 17.

The specific implementation mode is as follows:

example 1

The utility model relates to a cable terminal head is realized like this, by slide bar 1, head main part 2, absorb water silk floss 3, socket 4, sealed gum cover 5, spring 6, fixed apron 7, uide bushing 8, piston 9, bleeder vent 10, sealing washer 11, air cavity 12, elastic sleeve 13, through-hole 14 and solid fixed ring 15 and constitute, solid fixed ring 15 spiro union is placed in head main part 2 one end inner wall, head main part 2 is the drum structure, and both ends are opened there is the internal thread, and head main part 2 inner wall is put the support ring, the support ring is close to head main part 2 one end, and the support ring inner wall is opened has a circle recess, and sealed gum cover 5 is arranged in the recess, the card has a plurality of through-holes 14 on the support ring, and solid fixed ring 15 inner wall is opened has a circle recess, and the recess embeds sealed gum cover 5, gu fixed ring 15 internal diameter is, the card has the round spacing groove on the 2 outer walls of head main part, the spacing groove is close to the 2 other ends of head main part, the spacing inslot card has a plurality of bleeder vents 10, bleeder vent 10 runs through the 2 wall thicknesses of head main part, and the cotton suit that absorbs water is at the spacing inslot, and in head main part 2 was arranged in to piston 9, the 2 other ends of head main part were arranged in to fixed apron 7 spiro union, and fixed apron 7 overhead has uide bushing 8, and piston 9 is arranged perpendicularly in to slide bar 1, and wears out head main part 2 through uide bushing 8, has put sealing washer 11 between piston 9 and the head main part 2, and spring 6 arranges in head main part 2 in, and arranges in between piston 9 and the fixed apron.

When the cable sealing head is used, a cable is inserted into the sealing head from one end of the sealing head main body 2, the cable is sealed and fixed through the sealing rubber sleeve 5 at one end of the sealing head main body 2, when gas overflows from the cable, the gas pressure in the sealing head main body 2 is increased by the gas, because the outer wall of the elastic sleeve 13 is communicated with the piston 9 side through the through hole 14, when the gas pressure is increased, the holding force of the elastic sleeve 13 on the cable is also increased, the gas in the sealing head main body 2 is prevented from overflowing from a joint position, the gas pressure in the sealing head main body 2 is gradually increased along with the diffusion and discharge of the stored gas in the cable, when the gas pressure is increased enough to push the spring 6 through the piston 9, the piston 9 moves along the sealing head main body 2 to expose the vent hole 10, the gas in the sealing head main body 2 is discharged through the vent hole 10, after the gas pressure is discharged, the internal pressure is, the purpose of protecting and sealing the cable is achieved.

Example 2

Example 2 differs from example 1 in that: a transparent window 16 is arranged on the end socket main body 2; when the observation window is used, the internal state is observed through the transparent window 16, so that the operation observation of an operator is facilitated.

Example 3

Example 3 differs from example 1 in that: a sliding baffle plate is additionally arranged on one side of the piston 9 and corresponds to the air holes 10; during the use, the baffle can cover bleeder vent 10, prevents that outside moisture from entering into piston 9 slide bar 1 spring 6 department and causing the corrosion of spring 6, improves life.

The above embodiments are the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. Any person skilled in the art can make some modifications without departing from the scope of the invention, i.e. all equivalent modifications made according to the invention are intended to be covered by the scope of the invention. It should also be noted that, unless otherwise specifically stated or limited, the terms "disposed on," "mounted on," "connected to" and "connected to" are to be construed broadly and may include, for example, a fixed connection such as a crimped connection, a riveted connection, a pinned connection, an adhesive connection, a welded connection, a removable connection such as a threaded connection, a snap connection, a hinged connection, an integral connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, and a communication between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Claims (6)

1. The utility model provides a cable termination head which characterized by: the sealing head comprises a sliding rod, a sealing head main body, water-absorbing cotton, a socket, a sealing rubber sleeve, a spring, a fixing cover plate, a guide sleeve, a piston, air holes, a sealing ring, an air cavity, an elastic sleeve, a through hole and a fixing ring, wherein the fixing ring is screwed on the inner wall of one end of the sealing head main body, the sealing head main body is of a cylindrical structure, internal threads are arranged at two ends of the sealing head main body, a support ring is arranged on the inner wall of the sealing head main body, the support ring is close to one end of the sealing head main body, a circle of groove is formed in the inner wall of the support ring, the sealing rubber sleeve is arranged in the groove, the spring sleeve is arranged between the support ring and the fixing ring, a circle of limiting groove is clamped on the outer wall of the sealing head main body, the limiting groove is close to the other end of the sealing, the fixed cover plate is in threaded connection with the other end of the seal head main body, a guide sleeve is arranged on the fixed cover plate, the slide rod is vertically arranged on the piston and penetrates out of the seal head main body through the guide sleeve, and the spring is arranged in the seal head main body and arranged between the piston and the fixed cover plate.

2. A cable termination head according to claim 1, characterized in that a transparent window is provided in the head body.

3. A cable termination head according to claim 1, characterised in that a sliding baffle is added on one side of the piston, said sliding baffle corresponding to the vent.

4. A cable termination head according to claim 1, characterized in that the inner diameter of the fixing ring and the inner diameter of the support ring are the same.

5. A cable termination head according to claim 1, characterised in that the gas permeable holes extend through the wall thickness of the head body.

6. A cable termination head according to claim 1, characterised in that a sealing ring is arranged between the piston and the head body.

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