CN217282152U - Crosslinked cable thermal shrinkage three-core terminal - Google Patents

Abstract

The utility model discloses a crosslinked cable pyrocondensation three-core terminal, including the cable main part, separation bearing structure, the pyrocondensation pipe, terminal and sinle silk, the pyrocondensation pipe all sets up the one end in the cable main part, the other end at the pyrocondensation pipe is installed to the terminal, the sinle silk sets up the inside at the pyrocondensation pipe, the one end cover of cable main part is equipped with the seal cover, separation bearing structure sets up the one end at the seal cover, the inside of separation bearing structure has set gradually the support cover, the separation pipe box, the rubber circle, the elasticity vaulting pole, the one end of support cover setting at the seal cover, the one end of support cover all is fixed with equidistant separation pipe box, and it has the rubber circle to glue on the inner wall of separation pipe box, install the elasticity vaulting pole between the separation pipe box. The utility model discloses not only prevent pyrocondensation pipe extrusion, wearing and tearing, improved life, improved waterproof performance, can prevent the rainwater infiltration, promoted the interference killing feature of cable moreover.

Description

Crosslinked cable thermal shrinkage three-core terminal

Technical Field

The utility model relates to a crosslinked cable technical field specifically is a crosslinked cable pyrocondensation three-core terminal.

Background

The cross-linked cable is a short-name cross-linked polyethylene insulated cable, is suitable for power frequency alternating current voltage 500KV and below transmission and distribution lines, is mostly insulated by cross-linked polyethylene, can be divided into multiple cores according to requirements, and has the characteristics of small volume, light weight, safety, reliability, convenience in installation and the like compared with the traditional cable accessories.

The heat-shrinkable three-core terminal in the market is various in types, can basically meet the use requirements of people, but still has certain defects, and the tube body is easy to damage and deform due to the fact that the bottom of the heat-shrinkable tube is close to the heat-shrinkable three-core terminal in use, and the heat-shrinkable three-core terminal is easy to rub and extrude, so that improvement is needed urgently.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a crosslinked cable pyrocondensation three-core terminal to solve the easy mutual friction of pyrocondensation pipe, the extrusion that provides the pyrocondensation three-core terminal in the above-mentioned background art, cause the problem that the body is damaged, warp.

In order to achieve the above object, the utility model provides a following technical scheme: a crosslinked cable thermal shrinkage three-core terminal comprises a cable main body, a separation supporting structure, a thermal shrinkage pipe, a terminal and a wire core, wherein the thermal shrinkage pipe is arranged at one end of the cable main body, one end of the thermal shrinkage pipe extends to the inside of the cable main body, the terminal is arranged at the other end of the thermal shrinkage pipe, the wire core is arranged in the thermal shrinkage pipe, an inner insulating pipe is arranged in the thermal shrinkage pipe outside the wire core, a sealing sleeve is sleeved at one end of the cable main body and closely adhered to the cable main body, the separation supporting structure is arranged at one end of the sealing sleeve, a supporting sleeve, a separation pipe sleeve, a rubber ring and an elastic supporting rod are sequentially arranged in the separation supporting structure, the supporting sleeve is arranged at one end of the sealing sleeve and closely adhered to the sealing sleeve through a sealing adhesive, and one end of the supporting sleeve is all fixed with the separation pipe sleeves at equal intervals, and a rubber ring is adhered to the inner wall of the separation pipe sleeve, the rubber ring is tightly attached to the heat-shrinkable pipe, and an elastic support rod is arranged between the separation pipe sleeves.

Preferably, the inner wall of the bottom of the sealing sleeve is provided with conical grooves at equal intervals, so that the thorn pieces are conveniently positioned.

Preferably, the water blocking pipe sleeve is adhered to the outer wall of the cable main body at the position of the sealing sleeve, the equidistant barbed sheets are arranged on the outer wall of the top of the water blocking pipe sleeve, and the barbed sheets are tightly clamped with the conical grooves, so that the sealing performance of the sealing sleeve is improved, and rainwater is prevented from permeating.

Preferably, the outer wall of the heat shrinkage pipe above the separation supporting structure is provided with a rainproof skirt, so that a rainproof effect is achieved.

Preferably, a flame-retardant layer is arranged between the heat shrinkable tube and the inner insulating tube, so that the fireproof and flame-retardant effects are achieved.

Preferably, the inner side of the inner insulating tube is provided with an anti-interference layer, and the inner side of the anti-interference layer is provided with a shielding layer, so that the anti-interference and electromagnetic shielding device has good anti-electromagnetic interference and electromagnetic shielding effects.

Compared with the prior art, the beneficial effects of the utility model are that: the crosslinked cable thermal shrinkage three-core terminal not only prevents the extrusion and abrasion of the thermal shrinkage pipe, prolongs the service life, improves the waterproof performance, can prevent the infiltration of rainwater, but also improves the anti-interference performance of the cable;

(1) by arranging the support sleeve, the separation pipe sleeve, the rubber ring and the elastic support rod, the heat shrinkable pipe penetrates through the separation pipe sleeve on one side of the support sleeve, the rubber ring plays a soft protection role on the heat shrinkable pipe, and the elastic support rod has a supporting force and can separate the separation pipe sleeves so that the heat shrinkable pipes are not in contact with each other, thereby preventing the heat shrinkable pipes from being extruded and worn and prolonging the service life;

(2) by arranging the sealing sleeve, the conical groove, the water blocking pipe sleeve, the thorn piece and the rain-proof skirt, the sealing sleeve is sleeved at one end of the cable main body, the top end of the sealing sleeve is sealed by the sealant, the bottom end of the sealing sleeve is sealed by the water blocking pipe sleeve, the thorn piece on the outer wall of the water blocking pipe sleeve is clamped in the conical groove at the bottom of the sealing sleeve, so that rainwater is prevented from permeating, the sealing effect is good, and the rain-proof effect of the rain-proof skirt is matched, so that the waterproof performance is improved;

(3) through being provided with interior insulating tube, anti-interference layer, shielding layer, interior insulating tube has insulating nature, can carry out insulation protection to the wire core, and anti-interference layer and shielding layer have good anti-electromagnetic interference and shield electromagnetic effect to the interference killing feature of cable has been promoted.

Drawings

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

FIG. 2 is a schematic view of the top view cross section of the heat shrinkable tube according to the present invention;

FIG. 3 is a schematic view of the separated supporting structure of the present invention showing an enlarged structure from above;

fig. 4 is an enlarged schematic structural diagram of a in fig. 1 according to the present invention.

In the figure: 1. a cable body; 2. a sealing sleeve; 3. separating the support structure; 301. a support sleeve; 302. separating the pipe sleeve; 303. a rubber ring; 304. an elastic stay bar; 4. a heat shrink tube; 5. a terminal; 6. rain-proof skirt; 7. a flame retardant layer; 8. an inner insulating tube; 9. an anti-interference layer; 10. a shielding layer; 11. a wire core; 12. a water-blocking pipe sleeve; 13. pricking sheets; 14. a taper groove.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: a crosslinked cable thermal shrinkage three-core terminal comprises a cable body 1, a separation supporting structure 3, a thermal shrinkage tube 4, a terminal 5 and a wire core 11, wherein the thermal shrinkage tube 4 is arranged at one end of the cable body 1, and one end of the thermal shrinkage tube 4 extends into the cable body 1;

the terminal 5 is arranged at the other end of the heat shrinkable tube 4;

the wire core 11 is arranged inside the heat shrinkable tube 4, and an inner insulating tube 8 is arranged inside the heat shrinkable tube 4 outside the wire core 11;

a flame-retardant layer 7 is arranged between the heat-shrinkable tube 4 and the inner insulating tube 8, so that the fireproof and flame-retardant effects are achieved;

the inner side of the inner insulating tube 8 is provided with an anti-interference layer 9, and the inner side of the anti-interference layer 9 is provided with a shielding layer 10, so that the anti-electromagnetic interference and electromagnetic shielding device has good anti-electromagnetic interference and electromagnetic shielding effects;

one end of the cable main body 1 is sleeved with a sealing sleeve 2, and the sealing sleeve 2 is tightly adhered to the cable main body 1;

the inner walls of the bottom of the sealing sleeve 2 are provided with equally spaced conical grooves 14, so that the barbed sheets 13 can be conveniently positioned;

a water blocking pipe sleeve 12 is adhered to the outer wall of the cable main body 1 at the position of the sealing sleeve 2, and the outer walls of the top of the water blocking pipe sleeve 12 are provided with equally spaced barbed sheets 13, and the barbed sheets 13 are tightly clamped with the conical grooves 14, so that the sealing performance of the sealing sleeve 2 is improved, and rainwater is prevented from permeating;

the separation supporting structure 3 is arranged at one end of the sealing sleeve 2;

a support sleeve 301, a separation pipe sleeve 302, a rubber ring 303 and an elastic support rod 304 are sequentially arranged in the separation support structure 3;

the supporting sleeve 301 is arranged at one end of the sealing sleeve 2, and the supporting sleeve 301 is tightly adhered to the sealing sleeve 2 through sealant;

one end of the support sleeve 301 is fixed with the separation pipe sleeve 302 with equal spacing, the inner wall of the separation pipe sleeve 302 is adhered with the rubber ring 303, and the rubber ring 303 is tightly attached to the heat shrink pipe 4;

an elastic support rod 304 is arranged between the separation pipe sleeves 302;

a rainproof skirt 6 is arranged on the outer wall of the heat shrink tube 4 above the separation supporting structure 3, and a rainproof effect is achieved.

When the embodiment of the application is used: firstly, as the sealing sleeve 2 is sleeved at one end of the cable main body 1, the top end of the sealing sleeve 2 is sealed by the sealant, the bottom end of the sealing sleeve 2 is sealed by the water-blocking pipe sleeve 12, the thorn piece 13 on the outer wall of the water-blocking pipe sleeve 12 is clamped in the taper groove 14 at the bottom of the sealing sleeve 2 to prevent rainwater from permeating, the sealing effect is good, and the rain-proof function of the rain-proof skirt 6 is matched, so that the waterproof performance is improved, then, as the heat-shrinkable pipe 4 is penetrated in the separation pipe sleeve 302 at one side of the support sleeve 301, the rubber ring 303 plays a role of soft protection on the heat-shrinkable pipe 4, the elastic support rod 304 has a supporting force and can separate the separation pipe sleeves 302, so that the heat-shrinkable pipes 4 are not contacted with each other, thereby preventing the heat-shrinkable pipe 4 from being extruded and abraded, the service life is prolonged, and the setting of the flame retardant layer 7 plays a role of fire prevention and flame retardation, the inner insulating pipe 8 has an insulating property and can insulate and protect the wire core 11, the anti-interference layer 9 and the shielding layer 10 have good anti-electromagnetic interference and electromagnetic shielding effects, so that the anti-interference performance of the cable is improved, and the work of the crosslinked cable thermal shrinkage three-core terminal is completed.

Claims (6)

1. The utility model provides a crosslinked cable pyrocondensation three-core terminal, a serial communication port, including cable main part (1), separation bearing structure (3), pyrocondensation pipe (4), terminal (5) and sinle silk (11), pyrocondensation pipe (4) all set up the one end in cable main part (1), just the one end of pyrocondensation pipe (4) extends to the inside of cable main part (1), the other end at pyrocondensation pipe (4) is installed in terminal (5), sinle silk (11) set up the inside at pyrocondensation pipe (4), just the inside of pyrocondensation pipe (4) in sinle silk (11) outside is provided with interior insulating tube (8), the one end cover of cable main part (1) is equipped with seal cover (2), just seal cover (2) closely glue with cable main part (1), separation bearing structure (3) set up the one end at seal cover (2), the inside of separation bearing structure (3) has set gradually and has supported cover (301), Separation pipe box (302), rubber circle (303), elasticity vaulting pole (304), support cover (301) and set up the one end at seal cover (2), just support cover (301) and closely glue glutinous through sealed glue with seal cover (2), the one end of supporting cover (301) all is fixed with equidistant separation pipe box (302), just it has rubber circle (303) to glue on the inner wall of separation pipe box (302), and rubber circle (303) closely laminate with pyrocondensation pipe (4), install elasticity vaulting pole (304) between separation pipe box (302).

2. The cross-linked cable heat-shrinkable three-core terminal according to claim 1, wherein: the inner wall of the bottom of the sealing sleeve (2) is provided with conical grooves (14) at equal intervals.

3. The crosslinked cable heat-shrinkable three-core terminal according to claim 1, wherein: the cable is characterized in that a water blocking pipe sleeve (12) is adhered to the outer wall of the cable main body (1) at the position of the sealing sleeve (2), equidistant barbed sheets (13) are arranged on the outer wall of the top of the water blocking pipe sleeve (12), and the barbed sheets (13) are tightly clamped with the conical grooves (14).

4. The crosslinked cable heat-shrinkable three-core terminal according to claim 1, wherein: and a rainproof skirt (6) is arranged on the outer wall of the heat shrink tube (4) above the separation supporting structure (3).

5. The crosslinked cable heat-shrinkable three-core terminal according to claim 1, wherein: and a flame-retardant layer (7) is arranged between the heat-shrinkable tube (4) and the inner insulating tube (8).

6. The crosslinked cable heat-shrinkable three-core terminal according to claim 1, wherein: the inner side of the inner insulating tube (8) is provided with an anti-interference layer (9), and the inner side of the anti-interference layer (9) is provided with a shielding layer (10).

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