CN205335807U

CN205335807U - Direct current track special cable termination connect

Info

Publication number: CN205335807U
Application number: CN201521094399.0U
Authority: CN
Inventors: 张玲洪; 肖光照
Original assignee: Hunan Chang Cai Electrician Science And Technology Ltd
Current assignee: Hunan Chang Cai Electrician Science And Technology Ltd
Priority date: 2015-12-26
Filing date: 2015-12-26
Publication date: 2016-06-22
Anticipated expiration: 2025-12-26

Abstract

The utility model discloses a direct current track special cable termination connect, including the shrinkage terminal body, cable main part and copper connector, the surface of this shrinkage terminal body covers to form there is the antistatic backing, this cable main part sets up in the shrinkage terminal internally, and the cable main part is formed with the accommodation space including conductor, insulating layer, buffer layer, shielding layer and stereoplasm sleeve pipe between the front end of stereoplasm sheathed tube front end and conductor, and the preceding pot head of this conductor is equipped with a plurality of metallic gaskets, this copper connector is connected with the conductor contact electricity, and the copper connector has first spiral shell portion of closing and the second spiral shell portion of closing, and this first spiral shell portion of closing closes with stereoplasm sheathed tube front end spiral shell and is connected and presses and support a plurality of metallic gaskets. The utility model discloses simple structure can realize installing fast firmly to make electric connection more reliable and more stable, simultaneously this product has the static of preventing and blocking function, and product performance is better, especially adaptedly uses in the direct current track.

Description

A kind of DC track private cable terminal fitting

Technical field

This utility model relates to cable termination art, refers in particular to a kind of DC track private cable terminal fitting。

Background technology

When power cable connects to relevant equipment, it is necessary to by cable accessory the end of cable carried out the process of necessity, to ensure electric property reliably and with long-term, mechanical performance and weather-resistant property。The cable accessory of this type of application is tag。General tag is mounted in the electrical equipment of resting state, and the environmental area that bullet train etc. are special, not only need to meet the requirement of general cable accessory, still suffer from long-term high speed vibration impact, windage, pollution, the rugged environment condition such as humiture and altitude change。

Built on the sand, the problem that reliability and stability are inadequate, therefore, it is necessary to improve current tag for the tag ubiquity structure complexity of use on current various high-speed train, installation。

Utility model content

In view of this, this utility model is for the disappearance of prior art existence, its main purpose is to provide a kind of DC track private cable terminal fitting, and it can effectively solve existing tag exists structure complexity, installs built on the sand, the problem that reliability and stability are inadequate。

For achieving the above object, this utility model adopts such as purgation technical scheme:

A kind of DC track private cable terminal fitting, includes cold-shrinkable terminal body, cable main and copper connector；The outer surface of this cold-shrinkable terminal body covers and is formed with antistatic backing；This cable main is arranged in cold-shrinkable terminal body, cable main includes conductor, insulating barrier, cushion, screen layer and hard sleeve, this insulating barrier is coated on outside conductor, the front end of conductor is stretched out outside insulating barrier, and this cushion is coated on outside insulating barrier, and this screen layer is coated on outside cushion, hard sleeve is coated on outside screen layer, being formed with accommodation space between front end and the front end of conductor of hard sleeve, the front end sleeve of this conductor is provided with multiple metallic gasket, and multiple metallic gaskets are positioned at accommodation space；This copper connector electrically connects with conductor contact, copper connector has the first screw part and the second screw part, the front end of this first screw part and hard sleeve is screwed together and presses against multiple metallic gasket, and the front end of this second screw part and cold-shrinkable terminal body is screwed together and presses against the front end face of hard sleeve。

Preferably, the rear end of described hard sleeve is arranged with Sealed casing pipe, ring flange and fixed sleeving, the front end of this Sealed casing pipe is butted on the rear end week of cold-shrinkable terminal body on side, the rear end of Sealed casing pipe is butted on the front end week of ring flange on side, this fixed sleeving is butted on the rear end face of ring flange, fixed sleeving, ring flange, Sealed casing pipe and hard sleeve jointly enclose and are configured to annular seal space, are filled with fluid sealant in this annular seal space。

Preferably, the front end of described copper connector has been screwed together nut and spheric nut successively, is provided with check washer between nut and copper connector。

This utility model compared with prior art has clear advantage and beneficial effect, specifically, as shown from the above technical solution:

This utility model simple in construction, it may be achieved be quickly firmly installed, and make electric connection more reliable and more stable, this product has antistatic and function of shielding simultaneously, and product serviceability more preferably, is highly suitable in DC track and uses。

For more clearly setting forth architectural feature of the present utility model and effect, below in conjunction with accompanying drawing and specific embodiment, this utility model is described in detail。

Accompanying drawing explanation

Fig. 1 is the schematic partial cross-sectional view of the preferred embodiment of this utility model。

Accompanying drawing identifier declaration:

10, cold-shrinkable terminal body 11, antistatic backing

20, cable main 21, conductor

22, insulating barrier 23, cushion

24, screen layer 25, hard sleeve

30, copper connector the 31, first screw part

32, the second screw part 41, metallic gasket

42, nut 43, spheric nut

44, check washer 45, Sealed casing pipe

46, ring flange 47, fixed sleeving

48, fluid sealant

Detailed description of the invention

Refer to shown in Fig. 1, that show the concrete structure of the preferred embodiment of this utility model, include cold-shrinkable terminal body 10, cable main 20 and copper connector 30。

The outer surface of this cold-shrinkable terminal body 10 covers and is formed with antistatic backing 11, and this antistatic backing 11 is used for preventing, to avoid this product to be easily covered with dust and various impurity。

This cable main 20 is arranged in cold-shrinkable terminal body 10, cable main 20 includes conductor 21, insulating barrier 22, cushion 23, screen layer 24 and hard sleeve 25, this insulating barrier 22 is coated on outside conductor 21, the front end of conductor 21 is stretched out outside insulating barrier 22, this cushion 23 is coated on outside insulating barrier 22, this screen layer 24 is coated on outside cushion 23, this screen layer 24 is metal wire braid, hard sleeve 25 is coated on outside screen layer 24, it is formed with accommodation space between front end and the front end of conductor 21 of hard sleeve 25, the front end sleeve of this conductor 21 is provided with multiple metallic gasket 41, multiple metallic gaskets 41 are positioned at accommodation space。

This copper connector 30 contacts electrical connection with conductor 21, copper connector 30 has the first screw part 31 and the second screw part 32, the front end of this first screw part 31 and hard sleeve 25 is screwed together and presses against multiple metallic gasket 41, the plurality of metallic gasket 41 may also operate as damping and locking effect, the front end of this second screw part 32 and cold-shrinkable terminal body 10 is screwed together and presses against the front end face of hard sleeve 25, in the present embodiment, the front end of described copper connector 30 has been screwed together nut 42 and spheric nut 43 successively, check washer 44 is installed between nut 42 and copper connector 30。

And, the rear end of described hard sleeve 25 is arranged with Sealed casing pipe 45, ring flange 46 and fixed sleeving 47, the front end of this Sealed casing pipe 45 is butted on the rear end week of cold-shrinkable terminal body 10 on side, the rear end of Sealed casing pipe 45 is butted on the front end week of ring flange 46 on side, this fixed sleeving 47 is butted on the rear end face of ring flange 46, fixed sleeving 47, ring flange 46, Sealed casing pipe 45 and hard sleeve 25 jointly enclose and are configured to annular seal space, fluid sealant 48 it is filled with, to realize good waterproof sealing effect in this annular seal space。

Know-why of the present utility model is described above in association with specific embodiment。These describe and are intended merely to explanation principle of the present utility model, and can not be construed to the restriction to this utility model protection domain by any way。Based on explanation herein, those skilled in the art need not pay performing creative labour can associate other detailed description of the invention of the present utility model, and these modes fall within protection domain of the present utility model。

Claims

1. a DC track private cable terminal fitting, it is characterised in that: include cold-shrinkable terminal body, cable main and copper connector；The outer surface of this cold-shrinkable terminal body covers and is formed with antistatic backing；This cable main is arranged in cold-shrinkable terminal body, cable main includes conductor, insulating barrier, cushion, screen layer and hard sleeve, this insulating barrier is coated on outside conductor, the front end of conductor is stretched out outside insulating barrier, and this cushion is coated on outside insulating barrier, and this screen layer is coated on outside cushion, hard sleeve is coated on outside screen layer, being formed with accommodation space between front end and the front end of conductor of hard sleeve, the front end sleeve of this conductor is provided with multiple metallic gasket, and multiple metallic gaskets are positioned at accommodation space；This copper connector electrically connects with conductor contact, copper connector has the first screw part and the second screw part, the front end of this first screw part and hard sleeve is screwed together and presses against multiple metallic gasket, and the front end of this second screw part and cold-shrinkable terminal body is screwed together and presses against the front end face of hard sleeve；The rear end of described hard sleeve is arranged with Sealed casing pipe, ring flange and fixed sleeving, the front end of this Sealed casing pipe is butted on the rear end week of cold-shrinkable terminal body on side, the rear end of Sealed casing pipe is butted on the front end week of ring flange on side, this fixed sleeving is butted on the rear end face of ring flange, fixed sleeving, ring flange, Sealed casing pipe and hard sleeve jointly enclose and are configured to annular seal space, are filled with fluid sealant in this annular seal space。

2. DC track private cable terminal fitting as claimed in claim 1 a kind of, it is characterised in that: the front end of described copper connector has been screwed together nut and spheric nut successively, is provided with check washer between nut and copper connector。