CN214674293U

CN214674293U - Anti-aging high-temperature-resistant cable joint sheath

Info

Publication number: CN214674293U
Application number: CN202120417023.8U
Authority: CN
Inventors: 张国胜
Original assignee: Wanjiang Xiamen Cable Co ltd
Current assignee: Wanjiang Xiamen Cable Co ltd
Priority date: 2021-02-25
Filing date: 2021-02-25
Publication date: 2021-11-09
Anticipated expiration: 2031-02-25

Abstract

The utility model discloses an anti-aging high temperature resistant cable joint sheath, which comprises a heat shrink tube with an innermost layer sleeved on a wire, a cooling layer wrapped on the heat shrink tube, an anti-stretching layer wrapped outside an insulating layer and an outermost layer which are used for protecting a joint; fixing rings for fixing the anti-stretching layer on the outer side of the cable insulating layer are arranged at two ends of the anti-stretching layer; a stretching groove for placing a stretching-resistant layer and a clamping fixing ring fixing groove are formed in the inner side of the protective shell; a plurality of fixing plates for fixing the protective shell together are arranged on two sides of the protective shell; the fixing plate is provided with a screw hole through which a screw passes.

Description

Anti-aging high-temperature-resistant cable joint sheath

Technical Field

The utility model relates to a cable sheathing technical field especially relates to an anti-aging high temperature resistant cable joint sheath.

Background

The cable is a necessary product in power transmission, when the whole cable is used up in the long-distance transmission process of the cable, the cable needs to be connected with another cable, and in order to avoid electric leakage at a joint, a cable joint protective sleeve needs to be used for protecting the cable joint; the conventional cable protective sleeve only plays a role in protecting a cable, but the joint of the cable is often heated after being electrified, so that the cable joint protective sleeve is heated, and the cable joint protective sleeve is accelerated to be oxidized; meanwhile, the shaft of the cable can generate large pulling force in the transmission process, and the joint is easy to loosen for a long time.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to solve the technical problem of providing an anti-aging high temperature resistant cable joint sheath to solve the above problems.

To achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides an anti-aging high temperature resistant cable joint sheath, which comprises a heat shrink tube with an innermost layer sleeved on a wire, a cooling layer wrapped on the heat shrink tube, an anti-stretching layer wrapped outside an insulating layer and an outermost layer which is a pair of protective shells for protecting the joint; fixing rings for fixing the anti-stretching layer on the outer side of the cable insulating layer are arranged at two ends of the anti-stretching layer; a stretching groove for placing a stretching-resistant layer and a clamping fixing ring fixing groove are formed in the inner side of the protective shell; a plurality of fixing plates for fixing the protective shell together are arranged on two sides of the protective shell; the fixing plate is provided with a screw hole through which a screw passes.

Further, the fixing ring comprises a fixing band, a fixing bayonet, a clamping groove fixed in the fixing bayonet and clamping teeth arranged on the fixing band and matched with the clamping groove; and the fixing strip and the stretch-resistant layer are provided with fixing pricks pricked into the insulating layer.

Further, the material of the cooling layer is a solid graphite composite phase-change material; the thickness of the cooling layer is the same as that of the cable insulating layer.

Furthermore, an adhesive layer is arranged on one side, connected with the cable insulating layer, of the protective shell.

Further, one side of the protective shell, which is connected with the protective shell, is provided with a sealing layer.

Further, the length of the fixing thorn is smaller than the thickness of the cable insulation layer.

The utility model has the advantages that:

an anti-aging high-temperature-resistant cable joint sheath wraps a lead through a heat shrink tube to form an insulating layer, and then a temperature reduction layer is coated on the insulating layer, so that the heat can be absorbed and reduced in time when the lead joint generates heat, and the phenomenon that the electric leakage is caused by accelerating the oxidation of a protective sleeve at the cable joint after the temperature is too high is avoided;

the anti-stretching layer is additionally arranged on the outer side of the heat absorption layer, the deep layer of the anti-stretching layer enables stronger traction force to be formed between the two wires through the fixing band, and the phenomenon that the two wires are separated and loosened from each other due to overlarge tension is avoided.

Drawings

Fig. 1 is a schematic view of the whole structure of an anti-aging high-temperature-resistant cable joint sheath of the present invention;

fig. 2 is the utility model relates to an anti-aging high temperature resistant cable joint sheath fixed ring constructs the schematic diagram.

Reference numbers in the figures:

1. heat shrink tubing; 2. a cooling layer; 3. a stretch resistant layer; 31. a fixing ring; 32. fixing belts; 33. fixing the bayonet; 34. a card slot; 35. clamping teeth; 36. fixing the spine; 4. a protective shell; 41. stretching the groove; 42. fixing the groove; 43. a fixing plate; 44. a screw hole; 45. an adhesive layer; 46. and (7) sealing the layer.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

As shown in fig. 1 to fig. 2, the cable joint sheath with anti-aging and high temperature resistance provided in this embodiment includes a heat shrinkable tube 1 whose innermost layer is sleeved on the conductor, a cooling layer 2 wrapped around the heat shrinkable tube 1, a stretch-proofing layer 3 wrapped around the outside of the insulating layer, and a pair of protective cases 4 for protecting the joint at the outermost layer; fixing rings 31 for fixing the anti-stretching layer 3 on the outer side of the cable insulating layer are arranged at two ends of the anti-stretching layer 3; a stretching groove 41 for placing the anti-stretching layer 3 and a fixing groove 42 for clamping the fixing ring 31 are formed in the inner side of the protective shell 4; a plurality of fixing plates 43 for fixing the protective shell 4 together are arranged on both sides of the protective shell 4; the fixing plate 43 is provided with a screw hole 44 through which a screw passes.

Further, the fixing ring 31 comprises a fixing band 32, a fixing bayonet 33, a clamping groove 34 fixed inside the fixing bayonet 33, and a clamping tooth 35 arranged on the fixing band 32 and matched with the clamping groove 34; the fixing strip 32 and the stretch-proof layer 3 are provided with fixing pricks 36 which are pricked into the insulating layer; the fixing band 32 is inserted into the fixing bayonet 33, the anti-stretching layer 3 is fixed on the outer side of the insulating layer through the mutual matching of the clamping groove 34 and the clamping tooth 35, the fixing spine 36 is arranged on the inner side of the fixing band 32, and the fixing spine 36 penetrates through the anti-stretching layer 3 and penetrates into the insulating layer to generate larger friction force so that the anti-stretching layer 3 can generate larger tensile force.

Further, the material of the cooling layer 2 is a solid graphite composite phase-change material; the thickness of the cooling layer 2 is the same as that of the cable insulating layer; when the cooling layer 2 is sleeved on the heat shrinkable tube 1, the cooling layer is approximately flush with the outer edge of the insulating layer, so that the stretching-resistant layer 3 is easier to fix and install.

Further, an adhesive layer 45 is arranged on one side, connected with the cable insulation layer, of the protective shell 4; after the protective shell 4 is installed, the adhesive layer 45 and the insulating layer are adhered together to form a closed space inside the protective shell 4, so that external air and water are prevented from entering the protective shell 4, and oxidation inside the protective shell 4 can be effectively avoided.

Further, a sealing layer 46 is arranged on one side, connected with the protective shell 4, of the protective shell 4; the sealing layer 46 forms a sealing structure inside the protective shell 4 to prevent outside air and water from entering, so that oxidation inside the protective shell 4 can be effectively avoided.

Further, the length of the fixing thorn 36 is less than the thickness of the cable insulation layer; the insulation layer is broken to avoid the fixing pricks 36 sticking too deep.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention. The present invention is not to be limited by the specific embodiments disclosed herein, and other embodiments that fall within the scope of the claims of the present application are intended to be within the scope of the present invention.

Claims

1. An anti-aging high-temperature-resistant cable joint sheath is characterized in that; the insulation structure comprises a heat shrink tube (1) with the innermost layer sleeved on a wire, a cooling layer (2) wrapped on the heat shrink tube (1), a stretch-resistant layer (3) wrapped on the outer side of an insulation layer and a pair of protective shells (4) with the outermost layer used for protecting a joint; fixing rings (31) for fixing the anti-stretching layer (3) on the outer side of the cable insulating layer are arranged at two ends of the anti-stretching layer (3); a stretching groove (41) for placing the anti-stretching layer (3) and a fixing groove (42) for clamping and releasing the fixing ring (31) are formed in the inner side of the protective shell (4); a plurality of fixing plates (43) for fixing the protective shell (4) together are arranged on two sides of the protective shell (4); the fixing plate (43) is provided with a screw hole (44) through which a screw passes.

2. The anti-aging high temperature-resistant cable joint boot of claim 1, wherein: the fixing ring (31) comprises a fixing band (32), a fixing bayonet (33), a clamping groove (34) fixed in the fixing bayonet (33) and clamping teeth (35) arranged on the fixing band (32) and matched with the clamping groove (34); and the fixing belt (32) and the anti-stretching layer (3) are provided with fixing thorns (36) which are pricked into the insulating layer.

3. The anti-aging high temperature-resistant cable joint boot of claim 1, wherein: the material of the cooling layer (2) is a solid graphite composite phase-change material; the thickness of the cooling layer (2) is the same as that of the cable insulating layer.

4. The anti-aging high temperature-resistant cable joint boot of claim 1, wherein: and an adhesive layer (45) is arranged on one side, connected with the cable insulating layer, of the protective shell (4).

5. The anti-aging high temperature-resistant cable joint boot of claim 1, wherein: and a sealing layer (46) is arranged on one side, connected with the protective shell (4), of the protective shell (4).

6. The anti-aging high temperature-resistant cable joint boot of claim 2, wherein: the length of the fixing thorn (36) is smaller than the thickness of the cable insulation layer.