CN211880066U

CN211880066U - Outdoor terminal device for increasing creepage distance

Info

Publication number: CN211880066U
Application number: CN202020800419.6U
Authority: CN
Inventors: 宋勇; 陈勇林; 陈海波; 曹新平
Original assignee: Tianjin Elite Electrical Equipment Manufacturing Co ltd
Current assignee: Tianjin Elite Electrical Equipment Manufacturing Co ltd
Priority date: 2020-05-14
Filing date: 2020-05-14
Publication date: 2020-11-06
Anticipated expiration: 2030-05-14

Abstract

The utility model discloses an increase creepage distance's outdoor termination, including shrinkage cable termination body and protection machanism, the outer wall parcel of shrinkage cable termination body has the lag, and the outer wall bottom of lag links up has the rain cover, the front end outer wall arrangement of rain cover has dampproofing mechanism, and the top middle part of rain cover is provided with spacing sheath, protection machanism is located the outer wall middle part of lag. This increase creepage distance's outdoor termination passes through spacing bellied setting, when meetting moist weather or touch water, the moisture gets into spacing bellied inside from the intake stack, matches through between absorbent resin layer and the sponge layer after that, can play certain adsorption, collects spacing bellied inside with the better concentration of moisture and water, keeps spacing bellied aridity to can not lead to the fact the influence to shrinkage cable terminal body itself.

Description

Outdoor terminal device for increasing creepage distance

Technical Field

The utility model relates to an outdoor termination technical field specifically is an increase creepage distance's outdoor termination.

Background

The outdoor terminal is a device used for connecting the middle of a cable body or connecting the cable terminal with a transmission line or electric equipment, the cold-contraction outdoor terminal pre-expands a tubular object made of silicon rubber, a supporting tube is arranged in the middle of a product, the supporting tube is detached during field installation, a pre-expanded silicon rubber product is automatically reset by the aid of elasticity of rubber, and compared with a thermal-contraction cable accessory, the cable accessory without heating needs to be heated and contracted, and is called as the cold-contraction outdoor terminal.

When an existing outdoor terminal is easy to rain, rainwater flows downwards along the surface to form a conductive medium, and dust adheres to the surface to form the conductive medium, so that the outdoor terminal equipment is affected.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an increase creepage distance's outdoor termination to solve the current outdoor termination who proposes in the above-mentioned background art when raining easily rainwater delay the surface and trickle down and form conductive medium, dust attached to the surface and also can form conductive medium, and can lead to the fact the problem of influence to outdoor terminal equipment.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an increase creepage distance's outdoor termination, includes shrinkage cable termination body and protection machanism, the outer wall parcel of shrinkage cable termination body has the lag, and the outer wall bottom of lag links up has the rain cover, the front end outer wall arrangement of rain cover has dampproofing mechanism, and the top middle part of rain cover is provided with spacing sheath, protection machanism is located the outer wall middle part of lag.

Preferably, the moisture-proof mechanism comprises a limiting protrusion, an inner layer sleeve, a water-absorbent resin layer, a sponge layer and an air inlet pipeline, the air inlet pipeline is arranged on the left side of the inner wall of the limiting protrusion, the outer wall of the right side of the air inlet pipeline is connected with the sponge layer, the water-absorbent resin layer is arranged on the outer wall of the right side of the sponge layer, and the inner layer sleeve is bonded on the outer wall of the right side of the water-absorbent resin layer.

Preferably, the inner wall of the limiting bulge is of a hollow structure, and the air inlet pipeline is tightly attached to the left side of the inner wall of the limiting bulge.

Preferably, the diameter of the outer wall of the water-absorbent resin layer is matched with that of the outer wall of the sponge layer, and the inner layer sleeve, the water-absorbent resin layer and the sponge layer are tightly attached.

Preferably, protection machanism includes spacing clamp, fastening screw, fixed frame and electrically conductive gluing agent, and the inner wall middle part of spacing clamp links up fixed frame, fixed frame's front end outer wall bonds and has electrically conductive gluing agent, fastening screw is worn to be equipped with on the right side of spacing clamp.

Preferably, the limiting clamp is symmetrically distributed about the transverse central axis of the fixed frame, and the diameter of the inner wall of the limiting clamp is identical to that of the outer wall of the fixed frame.

Preferably, the outer wall of the rear end of the conductive adhesive is fixedly connected with the outer wall of the front end of the fixed frame, and the inner wall of the fixed frame is of a hollow structure.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this increase creepage distance's outdoor termination passes through spacing bellied setting, can be so that when this shrinkage cable terminal body is invaded to moisture, when meetting moist weather or touch water, moisture gets into spacing bellied inside from the intake stack, cooperate through between water absorbent resin layer and the sponge layer after that, can play certain adsorption, collect spacing bellied inside with the better concentration of moisture and water, keep spacing bellied aridity, thereby can not lead to the fact the influence to shrinkage cable terminal body itself.

2. This increase creepage distance's outdoor termination passes through the setting of spacing clamp for can tie up fixed frame on the outer wall of lag under fastening screw's cooperation, fixed frame's outer wall all laminates all around simultaneously has electrically conductive gluing agent, can reduce the resistance on fixed frame surface through setting up of electrically conductive gluing agent, thereby can effectual reduction silt and external biological adhering to, guaranteed protection machanism's stability, and prolonged this outdoor termination's life.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the side view of the moisture-proof mechanism of the present invention;

fig. 3 is a schematic view of the three-dimensional structure of the rain cover of the present invention.

In the figure: 1. a cold-shrink cable termination body; 2. a protective sleeve; 3. a moisture-proof mechanism; 301. a limiting bulge; 302. an inner layer sleeve; 303. a water-absorbent resin layer; 304. a sponge layer; 305. an air inlet pipeline; 4. a protection mechanism; 401. a limiting clamp; 402. fastening screws; 403. a fixed frame; 404. a conductive adhesive; 5. a rain cover; 6. and (5) limiting the sheath.

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: an outdoor terminal device for increasing creepage distance comprises a cold-contraction cable terminal body 1, a protective sleeve 2, a damp-proof mechanism 3, a limiting bulge 301, an inner layer sleeve 302, a water-absorbent resin layer 303, a sponge layer 304, an air inlet pipeline 305, a protective mechanism 4, a limiting clamp 401, a fastening screw 402, a fixing frame 403, a conductive adhesive 404, a rain cover 5 and a limiting sheath 6, wherein the protective sleeve 2 wraps the outer wall of the cold-contraction cable terminal body 1, the rain cover 5 is connected to the bottom end of the outer wall of the protective sleeve 2, the damp-proof mechanism 3 is arranged on the outer wall of the front end of the rain cover 5, the limiting sheath 6 is arranged in the middle of the top end of the rain cover 5, and the protective mechanism 4 is located in the middle of the outer wall of the protective sleeve 2;

the damp-proof mechanism 3 comprises a limiting bulge 301, an inner layer sleeve 302, a water-absorbent resin layer 303, a sponge layer 304 and an air inlet pipeline 305, wherein the air inlet pipeline 305 is arranged on the left side of the inner wall of the limiting bulge 301, the sponge layer 304 is connected with the outer wall on the right side of the air inlet pipeline 305, the water-absorbent resin layer 303 is arranged on the outer wall on the right side of the sponge layer 304, the inner layer sleeve 302 is bonded with the outer wall on the right side of the water-absorbent resin layer 303, the inner wall of the limiting bulge 301 is of a hollow structure, the air inlet pipeline 305 is tightly attached to the left side of the inner wall of the limiting bulge 301, the diameter size of the outer wall of the water-absorbent resin layer 303 is matched with the diameter size of the outer wall of the sponge layer 304, the inner layer sleeve 302, the water-absorbent resin layer 303 and the sponge layer 304 are tightly attached, and when moisture invades into the cold-shrinkage cable terminal body 1, the, then, the water-absorbing resin layer 303 and the sponge layer 304 are matched to play a certain adsorption role, moisture and water are better collected into the limiting bulge 301 in a centralized manner, and the dryness of the limiting bulge 301 is kept, so that the cold-shrinkage cable terminal body 1 is not affected;

the protection mechanism 4 comprises a limiting clamp 401, a fastening screw 402, a fixing frame 403 and a conductive adhesive 404, the fixing frame 403 is connected to the middle of the inner wall of the limiting clamp 401, the conductive adhesive 404 is adhered to the outer wall of the front end of the fixing frame 403, the fastening screw 402 penetrates through the right side of the limiting clamp 401, the limiting clamp 401 is symmetrically distributed about the transverse central axis of the fixing frame 403, the diameter of the inner wall of the limiting clamp 401 is matched with that of the outer wall of the fixing frame 403, the outer wall of the rear end of the conductive adhesive 404 is fixedly connected with the outer wall of the front end of the fixing frame 403, the inner wall of the fixing frame 403 is of a hollow structure, the fixing frame 403 can be bound to the outer wall of the protection sleeve 2 under the cooperation of the fastening screw 402 through the arrangement of the limiting clamp 401, the conductive adhesive 404 is attached to the periphery of the outer wall of the fixing frame 403, the resistance of the surface of the fixing frame 403 can be reduced, thereby can effectually reduce the adhesion of silt and external living beings, guarantee protection machanism 4's stability, and prolonged this outdoor termination's life.

The working principle is as follows: for such outdoor terminal device for increasing creepage distance, firstly the material adopted by the protective cover 2 is PVC plastic particles, the PVC plastic particles are made by adding various additives (such as antioxidant, brightener, flame retardant, anti-aging agent and the like) on the basis of polyvinyl chloride resin, and the protective cover has the advantages of chemical corrosion resistance and enhanced insulating property, can play a certain role in protecting the cold-shrink cable terminal body 1, then the rain-shielding cover 5 is in an umbrella-shaped structure, can prevent rainwater from dripping to the outer wall of the protective cover 2 when raining to influence the service life of the protective cover 2, and can prevent dust from being accumulated on the surface of the protective cover 2 to the maximum extent, thereby phase-changing increasing the creepage distance of the cold-shrink cable terminal body 1, and then through the arrangement of the limiting bulge 301, when moisture invades the cold-shrink cable terminal body 1, when encountering humid weather or touching water, moisture gets into spacing protruding 301's inside from intake stack 305, then cooperate between through absorbent resin layer 303 and sponge layer 304, can play certain adsorption, collect spacing protruding 301's inside with moisture and better concentration of water, keep spacing protruding 301's aridity, thereby can not lead to the fact the influence to cold contraction cable terminal body 1 itself, then the cooperation can be tied up fixed frame 403 on the outer wall of lag 2 between spacing clamp 401 and the fastening screw 402, fixed frame 403's outer wall has all laminated electrically conductive gluing agent 404 all around simultaneously, can reduce the resistance on fixed frame 403 surface through setting up of electrically conductive gluing agent 404, thereby can be effectual the adhesion of reduction silt and external biology, protection machanism 4's stability has been guaranteed, and this outdoor terminal device's life has been prolonged.

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 increase creepage distance's outdoor termination, includes shrinkage cable termination body (1) and protection machanism (4), its characterized in that: the outer wall parcel of shrinkage cable terminal body (1) has lag (2), and the outer wall bottom of lag (2) links up and has been covered rain cover (5), the front end outer wall arrangement of rain cover (5) has dampproofing mechanism (3), and the top middle part of rain cover (5) is provided with spacing sheath (6), protection machanism (4) are located the outer wall middle part of lag (2).

2. An outdoor terminal device for increasing creepage distance according to claim 1, wherein: dampproofing mechanism (3) are including spacing arch (301), inlayer cover (302), absorbent resin layer (303), sponge layer (304) and intake stack (305), and intake stack (305) have been seted up on the inner wall left side of spacing arch (301), the right side outer wall of intake stack (305) links up sponge layer (304), and the right side outer wall arrangement of sponge layer (304) has absorbent resin layer (303), the right side outer wall bonding of absorbent resin layer (303) has inlayer cover (302).

3. An outdoor terminal device for increasing creepage distance according to claim 2, wherein: the inner wall of the limiting bulge (301) is of a hollow structure, and the air inlet pipeline (305) is tightly attached to the left side of the inner wall of the limiting bulge (301).

4. An outdoor terminal device for increasing creepage distance according to claim 2, wherein: the diameter of the outer wall of the water-absorbent resin layer (303) is matched with that of the outer wall of the sponge layer (304), and the inner layer sleeve (302), the water-absorbent resin layer (303) and the sponge layer (304) are tightly attached.

5. An outdoor terminal device for increasing creepage distance according to claim 1, wherein: protection machanism (4) are including spacing clamp (401), fastening screw (402), fixed frame (403) and electrically conductive gluing agent (404), and the inner wall middle part of spacing clamp (401) has linked up fixed frame (403), the front end outer wall bonding of fixed frame (403) has electrically conductive gluing agent (404), fastening screw (402) are worn to be equipped with on the right side of spacing clamp (401).

6. An outdoor terminal device for increasing creepage distance according to claim 5, wherein: spacing clamp (401) are the symmetric distribution about the horizontal axis of fixed frame (403), and the inner wall diameter size of spacing clamp (401) is identical with the outer wall diameter size of fixed frame (403).

7. An outdoor terminal device for increasing creepage distance according to claim 5, wherein: the outer wall of the rear end of the conductive adhesive (404) is fixedly connected with the outer wall of the front end of the fixed frame (403), and the inner wall of the fixed frame (403) is of a hollow structure.