CN217563295U

CN217563295U - Cold shrinkage type cable terminal convenient to maintain

Info

Publication number: CN217563295U
Application number: CN202221404004.2U
Authority: CN
Inventors: 刘见龙; 陈广; 温晋峰
Original assignee: Wuxi Degang Jinggong Electromechanical Equipment Co ltd
Current assignee: Wuxi Degang Jinggong Electromechanical Equipment Co ltd
Priority date: 2022-06-07
Filing date: 2022-06-07
Publication date: 2022-10-11
Anticipated expiration: 2032-06-07

Abstract

The utility model discloses a shrinkage formula cable terminal convenient to maintain relates to power cable equipment field, including three dactylotheca of shrinkage, three dactylotheca inner chamber top fixedly connected with constant force spring of shrinkage one, constant force spring underfill has filled glue one, filled glue one bottom fixedly connected with constant force spring two, two bottom fixedly connected with elastic sealing adhesive tape of constant force spring, elastic sealing adhesive tape underfill has filled glue two, three dactylotheca internally mounted of shrinkage have the ground connection bottom line, the ground connection bottom line runs through filled glue two, elastic sealing adhesive tape, the inside of constant force spring two and constant force spring one, three dactylotheca top fixedly connected with shrinkage sheath pipe of shrinkage, the inside sliding connection of shrinkage sheath pipe has the copper shielded tube. The utility model discloses a set up adapter and shrinkage sealed tube, when any part goes wrong, can both dismantle and change it, and other parts all remain unchanged, have very big convenience to the maintenance operation in later stage.

Description

Cold shrinkage type cable terminal convenient to maintain

Technical Field

The utility model relates to a power cable equipment field specifically is a cold shrink formula cable termination convenient to maintain.

Background

The cold-shrink cable terminal is made up of elastomer (silicon rubber and ethylene-propylene rubber) through injection sulfurization, diameter expansion and spiral plastic support. When the cable is installed on site, the pre-expansion pieces are sleeved at the tail end or joint of the treated cable, the plastic spiral strip (support) supported inside is drawn out, and the plastic spiral strip is pressed on the cable insulation to form the cable accessory. It is commonly referred to as a cold shrinkable cable accessory because it shrinks under elastic retractive force at room temperature, rather than heat with fire as a heat shrinkable cable accessory.

However, the existing cold-shrink cable terminal is mostly formed in an integrated mode, and is inconvenient to disassemble, and once an internal key part goes wrong, the insulativity of cable wiring is insufficient, so that certain potential safety hazards exist. In order to solve the above problems, it is necessary to provide a shrink type cable terminal which is convenient to maintain.

SUMMERY OF THE UTILITY MODEL

For solving above-mentioned technical problem, provide a shrinkage cable termination convenient to maintain, this technical scheme has solved the current shrinkage cable termination that provides in the above-mentioned background art and has mostly been the integrated into one piece, and it is inconvenient to dismantle, in case inside key part goes wrong, then can lead to the insulating nature of cable connection not enough, has the problem of certain potential safety hazard.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

the utility model provides a cold contraction formula cable terminal convenient to maintain, including three dactylotheca of shrinkage, three dactylotheca inner chamber top fixedly connected with constant force spring one of shrinkage, the underfill of constant force spring has packing glue one, packing glue one bottom fixedly connected with constant force spring two, two bottom fixedly connected with elastic sealing adhesive tape of constant force spring, elastic sealing adhesive tape underfill has packing glue two, three dactylotheca internally mounted of shrinkage has ground connection bottom line, ground connection bottom line runs through packing glue two, elastic sealing adhesive tape, the inside of constant force spring two and constant force spring one, three dactylotheca top fixedly connected with shrinkage sheath pipe of shrinkage, the inside sliding connection of shrinkage sheath pipe has the copper shielded tube, shrinkage sheath pipe top outside cover is equipped with the adapter, the inboard shrinkage cable terminal cover that has been pegged graft in adapter top, shrinkage cable terminal cover inner chamber sliding connection has the looks typewriter ribbon, the looks typewriter ribbon top is provided with the semi-conducting layer fracture, fracture top butt has the insulating tube, the insulating tube top butt has the binding post, insulating tube and handing-over department cladding have the insulating sealing strip, insulating tube and the equal sliding connection of looks typewriter ribbon at shrinkage cable terminal cover inner chamber, there is the shrinkage cable terminal cover outside shrinkage terminal cover outside the shrinkage terminal cover, there is the shrinkage sealing strip, there is the shrinkage sealing tube and the insulating sealing strip of shrinkage sealing strip.

Preferably, shrink cable termination cover surface fixedly connected with a plurality of skirt pendulum is a plurality of the skirt pendulum is equidistant vertical arrangement on shrink cable termination cover surface.

Preferably, the skirt pendulum is umbrella-shaped.

Preferably, the bottom end of the phase color strip abuts against the upper surface of the copper shielding pipe.

Preferably, the top end of the wiring terminal is provided with a wiring hole.

Compared with the prior art, the utility model provides a shrinkage cable termination convenient to maintain possesses following beneficial effect:

through setting up adapter and cold-shrink sealing tube to separate the inside key component at cold contraction formula cable termination, make relative movement each other, the dismantlement of being convenient for, copper shielded tube, looks typewriter ribbon, semi-conductive layer fracture, insulating tube, all be detachable connection between insulating sealing strip and the binding post, consequently, when any part goes wrong wherein, can both dismantle and change it, and other parts all remain unchanged, there is very big convenience to the maintenance operation in later stage.

Drawings

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

fig. 2 is a schematic diagram of the internal structure of the present invention.

The reference numbers in the figures are:

101. a cold shrink seal tube; 102. a cold-shrink cable termination sleeve; 103. an adapter; 104. a copper shield tube; 105. a wiring terminal; 106. an insulating sealing tape; 107. an insulating tube; 108. a fracture of the semiconductive layer; 109. a phase color band; 110. a cold shrink sheathing tube; 111. a skirt pendulum;

201. filling glue I; 202. a cold-contraction three-finger sleeve; 203. filling glue II; 204. a first constant force spring; 205. a second constant force spring; 206. an elastic sealing tape; 207. and a ground bottom line.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

Referring to fig. 1-2, a cold shrink type cable terminal convenient for maintenance, including a cold shrink three-finger sleeve 202, a first constant force spring 204 fixedly connected to the top of an inner cavity of the cold shrink three-finger sleeve 202, a first filling rubber 201 filled in the bottom of the first constant force spring 204, a second constant force spring 205 fixedly connected to the bottom of the first filling rubber 201, a second elastic sealing rubber tape 206 fixedly connected to the bottom of the second constant force spring 205, a second filling rubber 203 filled in the bottom of the elastic sealing rubber tape 206, a grounding bottom wire 207 installed inside the cold shrink three-finger sleeve 202, the grounding bottom wire 207 penetrating through the second filling rubber 203, the elastic sealing rubber tape 206, the second constant force spring 205 and the first constant force spring 204, a cold shrink sheath tube 110 fixedly connected to the top of the cold shrink three-finger sleeve 202, a copper shielding tube 104 slidably connected to the inside of the cold shrink tube 110, a second insulating sheath 103 sleeved outside the top of the cold shrink sheath 110, a cold shrink cable terminal sheath 102 inserted on the top, a second insulating tape 109 slidably connected to the inner cavity of the cold shrink cable terminal sheath 102, a phase 109 abutted to the upper surface of the copper shielding tube 104, a fracture layer 108, a semi-conductive layer 108 abutted to the insulating sheath 107, a sealing tape 107 connected to the insulating terminal sheath 105, a cold shrink cable terminal sheath 106, and a cold shrink sealing tape 106 wrapped on the outer side of the cold shrink cable sheath 102, and a cold shrink terminal sheath 106, and a cold shrink tube sealed insulating sealing tape, a sealing tape wrapped on the insulating terminal sheath 106, and a cold shrink tube.

Specifically, shrink cable termination cover 102 fixed surface is connected with a plurality of skirt pendulum 111, and is a plurality of skirt pendulum 111 is equidistant vertical arrangement in shrink cable termination cover 102 surface, and the shape of skirt pendulum 111 is the umbelliform, can make the rainwater flow out to the outside along skirt pendulum 111, reduces the surface that flows to the terminal as far as possible.

When the cold-shrink cable terminal sleeve 102 is detached from the cold-shrink sheath tube 110, the cold-shrink cable terminal sleeve 102 is detached from the cold-shrink sealing tube 101, the internal wiring terminal 105, the insulation sealing tape 106, the insulation tube 107, the semi-conductive layer fracture 108, the phase ribbon 109 and the copper shielding tube 104 can be easily detached, and if a problem exists, the cold-shrink cable terminal sleeve 102, the cold-shrink sheath tube 110 and the cold-shrink sealing tube 101 are replaced and reinstalled, and the cold-shrink cable terminal sleeve 102, the cold-shrink sheath tube 110 and the cold-shrink sealing tube 101 are reassembled together.

The utility model discloses a theory of operation and use flow: by providing the adapter 103 and the cold-shrink sealing tube 101 and separating the key components inside the cold-shrink cable terminal, the copper shielding tube 104, the phase ribbon 109, the semiconductor layer break 108, the insulating tube 107, the insulating sealing tape 106 and the connection terminal 105 can be detachably connected to each other, so that when any part of the copper shielding tube becomes defective, the copper shielding tube can be detached and replaced, and the other parts of the copper shielding tube remain unchanged, thereby facilitating the later maintenance operation.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A cold-shrinkable cable terminal convenient to maintain is characterized by comprising a cold-shrinkable three-finger sleeve (202), wherein the top of an inner cavity of the cold-shrinkable three-finger sleeve (202) is fixedly connected with a first constant force spring (204), the bottom of the first constant force spring (204) is filled with a first filling adhesive (201), the bottom of the first filling adhesive (201) is fixedly connected with a second constant force spring (205), the bottom of the second constant force spring (205) is fixedly connected with an elastic sealing adhesive tape (206), the bottom of the elastic sealing adhesive tape (206) is filled with a second filling adhesive (203), a grounding bottom line (207) is arranged in the cold-shrinkable three-finger sleeve (202), the grounding bottom line (207) penetrates through the second filling adhesive (203), the elastic sealing adhesive tape (206), the interiors of the second constant force spring (205) and the first constant force spring (204), the top of the cold-shrinkable three-finger sleeve (202) is fixedly connected with a cold-shrinkable sleeve (110), the inside of the cold-shrinkable three-shrinkable sleeve (110) is slidably connected with a copper shielding tube (104), the cold-shrinkable sleeve (110) is sleeved with a top outside the cold-shrinkable sleeve (103), the top of the semi-shrinkable cable terminal sleeve (103), the semi-shrinkable sleeve (103) is connected with a top end sleeve (102), the cold-shrinkable cable terminal sleeve (102), the inner cavity of the cold-shrinkable cable terminal (102) is slidably connected with a fracture layer (109), and a fracture layer (109), the cold-ribbon insulating tube (109), the joint of the insulating tube (107) and the wiring terminal (105) is coated with an insulating sealing tape (106), the insulating tube (107) and the phase color tape (109) are connected in an inner cavity of the cold-shrink cable terminal sleeve (102) in a sliding mode, the outer side of the top end of the cold-shrink cable terminal sleeve (102) is coated with a cold-shrink sealing tube (101), and the outer side faces of the insulating sealing tape (106) and the wiring terminal (105) are coated with the cold-shrink sealing tube (101).

2. A service facilitating cold shrink cable termination according to claim 1, wherein: the surface of the cold-shrink cable terminal sleeve (102) is fixedly connected with a plurality of skirts (111), and the skirts (111) are vertically arranged on the surface of the cold-shrink cable terminal sleeve (102) at equal intervals.

3. A service facilitating cold shrink cable termination according to claim 2, wherein: the skirt pendulum (111) is umbrella-shaped.

4. A service facilitating cold shrink cable termination according to claim 1, wherein: the bottom end of the phase color strip (109) is abutted against the upper surface of the copper shielding tube (104).

5. A service facilitating cold shrink cable termination according to claim 1, wherein: the top end of the wiring terminal (105) is provided with a wiring hole.