CN212627118U

CN212627118U - Umbrella group structure of rubber electrical insulation product in cable accessory

Info

Publication number: CN212627118U
Application number: CN202021502691.2U
Authority: CN
Inventors: 王志明
Original assignee: Anhui Haohui Electric Power Co ltd
Current assignee: Anhui Haohui Electric Power Co ltd
Priority date: 2020-07-27
Filing date: 2020-07-27
Publication date: 2021-02-26
Anticipated expiration: 2030-07-27

Abstract

The utility model discloses an umbrella crowd structure of rubber electrical insulation product in cable accessories, including first cable, clamp fixedly connected with insulating tube is passed through on the surface of first cable, insulating tube's inner wall fixedly connected with joint ring, the shrinkage dactylotheca has been cup jointed to insulating tube's surface, the second cable has been cup jointed to the inner wall of shrinkage dactylotheca, the cable core electric connection of first cable upper end has the intermediate head, the upper end of intermediate head and the cable core electric connection of second cable lower extreme, the surface cover of first cable and second cable is equipped with the shrinkage insulating tube. This rubber electrical insulation product's parachute kit structure in cable accessories through setting up shrinkage insulating tube and supplementary parachute kit, can seal the intermediate head in the shrinkage insulating tube, and shrinkage insulating tube and supplementary parachute kit are made by synthetic silicone rubber, have better insulating nature and hydrophobicity, and the dust is difficult for piling up on the surface, is difficult for forming the flashover passageway to dirty sudden strain of a muscle probability of formation has been reduced.

Description

Umbrella group structure of rubber electrical insulation product in cable accessory

Technical Field

The utility model relates to a power equipment annex technical field specifically is a parachute kit structure of rubber electrical insulation product among cable accessories.

Background

The electric power cable accessory is a product for connecting a cable with a power transmission and distribution line and related power distribution devices, generally refers to intermediate connection and terminal connection of various cables in the cable line, and forms an electric power transmission network together with the cable.

When the existing cable accessory is connected between two cables, a cold-contraction finger sleeve is usually used for connecting an intermediate joint with the two cables, then two protective pipe pieces are used for sealing the connection part, the intermediate joint is protected by adopting the method, soluble substances of dirt attached to the protective pipe pieces are gradually dissolved in water under a humid condition, a conductive film is formed on the insulating surface, the insulativity of the conductive film is greatly reduced, and the pollution flashover phenomenon is easy to occur.

Therefore, there is a need for an umbrella structure for rubber electrical insulation products in cable accessories.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an umbrella crowd structure of rubber electrical insulation product among cable accessories to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an umbrella crowd structure of rubber electrical insulation product in cable accessories, includes first cable, clamp fixedly connected with insulating hose is passed through on the surface of first cable, insulating hose's inner wall fixedly connected with joint ring, the surface of insulating hose has cup jointed the shrinkage dactylotheca, the inner wall of shrinkage dactylotheca has cup jointed the second cable, the cable core electric connection of first cable upper end has intermediate head, intermediate head's upper end and the cable core electric connection of second cable lower extreme, the surface cover of first cable and second cable is equipped with the shrinkage insulating tube, the fixed surface of shrinkage insulating tube installs supplementary umbrella crowd, supplementary umbrella crowd's fixed surface has the strengthening rib.

Preferably, the number of the auxiliary umbrella groups is a plurality, and the auxiliary umbrella groups are arranged on the surface of the cold-shrink insulating tube in a linear array mode.

Preferably, the quantity of strengthening rib is a plurality of, a plurality of strengthening rib circumference equidistance sets up the upper surface at a plurality of supplementary parachute kit.

Preferably, the clamping ring is arranged at one end, close to the cold-shrink finger sleeve, of the insulating hose, and the clamping ring is made of PP plastics.

Preferably, the inner walls of the cold-contraction finger sleeve and the cold-contraction insulating tube are both provided with thread grooves, and the inner walls of the thread grooves are in threaded connection with supporting thread sleeves.

Preferably, the diameter of the middle part of the cold-shrink insulating tube is larger than the diameters of the two ends of the cold-shrink insulating tube, and the cold-shrink finger sleeve, the cold-shrink insulating tube and the auxiliary umbrella group are all made of synthetic silicone rubber.

Advantageous effects

The utility model provides an umbrella crowd structure of rubber electrical insulation product among cable accessories possesses following beneficial effect:

1. this rubber electrical insulation product's parachute kit structure in cable accessories through setting up shrinkage insulating tube and supplementary parachute kit, can seal the intermediate head in the shrinkage insulating tube, and supplementary parachute kit is made by synthetic silicone rubber, has better insulating nature and hydrophobicity, the difficult dust of piling up above-mentioned, is difficult for forming the flashover passageway to dirty sudden strain of a muscle probability that dodges has been reduced.

2. According to the umbrella group structure of the rubber electrical insulation product in the cable accessory, the reinforcing ribs are arranged, so that the strength of the auxiliary umbrella group is increased, the umbrella group can not collapse in strong wind and strong rain, the design of the auxiliary umbrella group can well evacuate rainwater on the surface of the umbrella group, and therefore the safety and reliability of operation of an electrical circuit are improved.

Drawings

FIG. 1 is a schematic view of a front cross-sectional structure of the present invention;

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

fig. 3 is an enlarged schematic view of a portion a in fig. 1.

In the figure: the device comprises a first cable 1, an insulating hose 2, a clamping ring 3, a cold-shrink finger sleeve 4, a second cable 5, an intermediate joint 6, a cold-shrink insulating tube 7, an auxiliary umbrella group 8, a reinforcing rib 9 and a supporting threaded sleeve 10.

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 an umbrella crowd structure of rubber electrical insulation product in cable accessories, including first cable 1, clamp fixedly connected with insulating hose 2 is passed through on first cable 1's surface, insulating hose 2's inner wall fixedly connected with joint ring 3, insulating hose 2's surface has cup jointed shrinkage dactylotheca 4, joint ring 3 sets up the one end that is close to shrinkage dactylotheca 4 at insulating hose 2, the material of joint ring 3 is PP plastics, the inner wall of shrinkage dactylotheca 4 has cup jointed second cable 5.

The cable core electric connection of 1 upper end of first cable has intermediate head 6, the cable core electric connection of the upper end of

intermediate head

6 and 5 lower extremes of second cable, and the surface cover of first cable 1 and second cable 5 is equipped with shrinkage insulating tube 7, and the thread groove has all been seted up to the inner wall of shrinkage dactylotheca 4 and shrinkage insulating tube 7, and the inner wall threaded connection of thread groove has support thread bush 10.

Fixed surface of shrinkage insulating tube 7 has supplementary parachute kit 8, supplementary parachute kit 8's quantity is a plurality of, supplementary parachute kit 8 of a plurality of is the surface that linear array set up at shrinkage insulating tube 7, the diameter at shrinkage insulating tube 7 middle part is greater than the diameter at its both ends, the shrinkage dactylotheca 4, the material of shrinkage insulating tube 7 and supplementary parachute kit 8 is synthetic silicon rubber, supplementary parachute kit 8's design, can be fine evacuate its surperficial rainwater, thereby the security and the reliability of electric line operation have been improved.

The outer fixed surface of supplementary crowd 8 installs strengthening rib 9, and the quantity of strengthening rib 9 is a plurality of, and the equidistance setting of a plurality of strengthening rib 9 circumference has increased the intensity of supplementary crowd 8 at the upper surface of a plurality of supplementary crowd 8 through setting up strengthening rib 9, makes its phenomenon that supplementary crowd 8 collapsed can not take place in strong wind and heavy rain.

Through setting up shrinkage insulating tube 7 and supplementary parachute kit 8, can seal intermediate head 6 in shrinkage insulating tube 7, and shrinkage insulating tube 7 and supplementary parachute kit 8 are made by synthetic silicone rubber, have better insulating nature and hydrophobicity, and the dust is difficult for piling up on the surface, is difficult for forming the flashover passageway to dirty sudden strain of a muscle probability has been reduced.

The working principle is as follows: when the umbrella group structure of the rubber electrical insulation product in the cable accessory is used, the surface of a first cable 1 is sequentially sleeved with a cold-contraction insulating tube 7 and an insulating hose 2, a cold-contraction finger sleeve 4 is sleeved on the outer surface of the insulating hose 2, the first cable 1 and a second cable 5 are connected through an intermediate joint 6, the upper end of the cold-contraction finger sleeve 4 is sleeved on the outer surface of the second cable 5, a supporting thread sleeve 10 on the inner wall of the cold-contraction finger sleeve 4 is taken out, the cold-contraction finger sleeve 4 is contracted and tightly clamped on the outer surfaces of the insulating hose 2 and the second cable 5, the lower end of the insulating hose 2 is fixed on the outer surface of the first cable 1 through a hoop, the upper end of the cold-contraction insulating tube 7 is sleeved on the outer surface of the second cable 5, the supporting thread sleeve 10 in the cold-contraction insulating tube 7 is taken out, the cold-contraction insulating tube 7 is contracted and fixed on the outer surfaces of the first cable 1 and the second cable, has better insulating property and hydrophobic property, and reduces the pollution flashover forming probability.

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 an umbrella crowd structure of rubber electrical insulation product in cable accessories, includes first cable (1), its characterized in that: the utility model discloses a cable, including first cable (1), clamp fixedly connected with insulating hose (2), the inner wall fixedly connected with joint ring (3) of insulating hose (2), cold-shrink dactylotheca (4) have been cup jointed to the surface of insulating hose (2), second cable (5) have been cup jointed to the inner wall of cold-shrink dactylotheca (4), the cable core electric connection of first cable (1) upper end has intermediate joint (6), the upper end of intermediate joint (6) and the cable core electric connection of second cable (5) lower extreme, the surface cover of first cable (1) and second cable (5) is equipped with cold-shrink insulating tube (7), the fixed surface of cold-shrink insulating tube (7) installs supplementary parachute pack (8), the fixed surface of supplementary parachute pack (8) installs strengthening rib (9).

2. An umbrella structure of rubber electrical insulation product in cable accessory according to claim 1, wherein: the number of the auxiliary umbrella groups (8) is a plurality of, and the auxiliary umbrella groups (8) are arranged on the surface of the cold-contraction insulating tube (7) in a linear array mode.

3. An umbrella structure of rubber electrical insulation product in cable accessory according to claim 1, wherein: the quantity of strengthening rib (9) is a plurality of, a plurality of strengthening rib (9) circumference equidistance sets up the upper surface at a plurality of supplementary umbrella crowd (8).

4. An umbrella structure of rubber electrical insulation product in cable accessory according to claim 1, wherein: the clamping ring (3) is arranged at one end, close to the cold-shrink finger sleeve (4), of the insulating hose (2), and the clamping ring (3) is made of PP plastic.

5. An umbrella structure of rubber electrical insulation product in cable accessory according to claim 1, wherein: threaded grooves are formed in the inner walls of the cold-contraction finger sleeves (4) and the cold-contraction insulating tubes (7), and supporting threaded sleeves (10) are connected to the inner walls of the threaded grooves in a threaded mode.

6. An umbrella structure of rubber electrical insulation product in cable accessory according to claim 1, wherein: the diameter of the middle part of the cold-contraction insulating tube (7) is larger than the diameters of the two ends of the cold-contraction insulating tube, and the materials of the cold-contraction finger stall (4), the cold-contraction insulating tube (7) and the auxiliary umbrella group (8) are all synthetic silicon rubber.