CN218733186U

CN218733186U - Insulated self-melting type cable wrapping intermediate joint at normal temperature

Info

Publication number: CN218733186U
Application number: CN202222638255.3U
Authority: CN
Inventors: 金小友; 杨海光
Original assignee: Zhejiang Jinyue Electric Power Technology Co ltd
Current assignee: Zhejiang Jinyue Electric Power Technology Co ltd
Priority date: 2022-10-09
Filing date: 2022-10-09
Publication date: 2023-03-24
Anticipated expiration: 2032-10-09

Abstract

The utility model discloses an insulating self-melting type cable wrapping intermediate joint at normal temperature, which comprises a joint shell main body, wherein both sides inside the joint shell main body are provided with circular platform type inner grooves, the inner sides of the circular platform type inner grooves are provided with sealing ring main bodies, and both ends inside the joint shell main body are provided with arc-shaped clamping plates; the utility model discloses a design has the arc splint, promote the arc splint and carry out the centre gripping to the cable conductor of its inboard through screwing up embedded bolt, thereby guarantee inseparable of two sections cable junction structures, drive the positive terminal inclined plane in trapezoidal extrusion piece extrusion sealing washer main part outside through the arc splint simultaneously, make back of the body end inclined plane and the extrusion of round platform formula inner groovy laminating, make the whole structure according to round platform formula inner groovy of sealing washer main part carry out the displacement shrink, the shrink through the sealing washer main part closely laminates to the cable outer wall of its inboard, thereby realized the sealed function to the cable conductor outer wall, the practicality and the leakproofness of device have been improved.

Description

Insulating self-melting type cable wrapping intermediate joint at normal temperature

Technical Field

The utility model relates to a cable intermediate head technical field specifically is an insulating from melting type cable is around package intermediate head under normal atmospheric temperature.

Background

The cable is generally a cable similar to a rope formed by twisting several or several groups of wires (each group is at least two), each group of wires are mutually insulated and often twisted around a center, a high-insulation covering layer is wrapped outside the whole cable, the existing cable is usually connected by adopting a wrapping type structure when being connected, and a cable joint is frequently used equipment, so that each section of the cable is integrated.

Present cable joint structure is diversified, insulating from melting type structure under the normal atmospheric temperature for more convenient design, but current cable joint structure, the most important stable in structure who guarantees the cable junction point, and carry out water repellent treatment to the joint position, thereby guarantee its stable power transmission, avoid the condition of circuit short circuit to take place simultaneously, the winding mode of insulating waterproof adhesive tape is adopted usually to current sealed mode, nevertheless the inboard and the cable line pipeline wall between the position department that connects, there is the space, and then need a structure that can seal.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an insulating from melting type cable is around package intermediate head under the normal atmospheric temperature to propose insulating from melting type cable and around the inboard of package intermediate head and the position department between the cable outer wall under the current normal atmospheric temperature in solving above-mentioned background art, lack seal structure usually, and lack clamping structure's problem to the cable junction position.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an insulating from melting type cable is around package intermediate head under normal atmospheric temperature, includes and connects the shell main part, the inside both sides of joint shell main part all are provided with round platform formula inner groovy, the inboard of round platform formula inner groovy all is provided with the sealing washer main part, the inside both ends of joint shell main part all are provided with arc splint, the outside symmetry of arc splint is provided with two sets of constant head tanks, the middle part symmetry in the joint shell main part outside is provided with the embedded bolt that extends to joint shell main part inside and with the adaptation of constant head tank each other, one side that the sealing washer main part is close to round platform formula inner groovy all is provided with the back end inclined plane of laminating mutually with round platform formula inner groovy, one side on sealing washer main part principle back end inclined plane all is provided with positive end inclined plane, the middle part of arc splint both sides all is provided with the trapezoidal piece of laminating mutually with positive end inclined plane.

Preferably, the inboard of sealing washer main part adopts soft rubber material to make, and the inboard of sealing washer main part evenly is provided with flexible logical groove, adopts soft rubber material through the inboard of sealing washer main part, has guaranteed the shrink of sealing washer main part inner wall, has guaranteed the compactness in space when contracting simultaneously through being provided with flexible logical groove.

Preferably, the position department that connects the shell main part inner wall to be close to the embedded bolt outside is provided with the through-hole, and the inboard of through-hole evenly be provided with the internal thread of embedded bolt looks adaptation, through be provided with the internal thread in the through-hole have guaranteed with embedded bolt between the threaded connection, and then promote the arc splint to carry out the displacement.

Preferably, the outside on positive terminal inclined plane is laminated mutually with the bottom of trapezoidal extrusion piece, and positive terminal inclined plane supports the arc splint that trapezoidal extrusion piece is connected, through being provided with trapezoidal extrusion piece, and then has realized promoting the function of sealing washer main part displacement to through supporting arc splint, guarantee the stability of arc splint position.

Preferably, the inside of joint shell main part both sides all is provided with the patchhole, and the inboard of patchhole evenly is provided with anti-skidding line, is provided with anti-skidding line through the inside of patchhole, improves the structure compactness between cable conductor outer wall and the joint shell main part.

Preferably, the inboard of arc splint all is provided with insulating gasket, insulating gasket improves the insulating characteristic of device through being provided with insulating gasket through high temperature resistant glue and the inboard bonding of arc splint.

Preferably, compare with prior art, the beneficial effects of the utility model are that: the insulated self-melting type cable wrapping middle joint at normal temperature;

through the design there is arc splint, promote arc splint to carry out the centre gripping to the cable conductor of its inboard through screwing up embedded bolt, thereby guarantee inseparable of two sections cable junction structures, drive the positive terminal inclined plane in trapezoidal extrusion piece extrusion sealing washer main part outside through arc splint simultaneously, make back of the body end inclined plane and the extrusion of the laminating of round platform formula inner groovy, make the whole structure according to the round platform formula inner groovy of sealing washer main part carry out the displacement shrink, the shrink through the sealing washer main part closely laminates to the cable outer wall of its inboard, thereby realized the sealing function to the cable conductor outer wall, the practicality and the leakproofness of device have been improved.

Drawings

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

fig. 2 is an enlarged schematic view of the structure at a in fig. 1 according to the present invention;

fig. 3 is an enlarged perspective view of the structure of the arc-shaped splint of fig. 1 according to the present invention;

fig. 4 is an enlarged schematic perspective view of the main structure of the sealing ring of fig. 1 according to the present invention.

In the figure: 1. a connector housing body; 2. a seal ring main body; 3. embedding a bolt; 4. an arc-shaped splint; 5. a circular truncated cone type inner groove; 6. a positive end bevel; 7. a trapezoidal extrusion block; 8. a back end bevel; 9. an insulating spacer; 10. positioning a groove; 11. a telescopic through groove.

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 efforts all belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: an insulating self-melting type cable wrapping middle joint at normal temperature comprises a joint shell main body 1, wherein circular truncated cone type inner grooves 5 are formed in two sides of the interior of the joint shell main body 1, sealing ring main bodies 2 are arranged on the inner sides of the circular truncated cone type inner grooves 5, the inner sides of the sealing ring main bodies 2 are made of soft rubber materials, telescopic through grooves 11 are uniformly formed in the inner sides of the sealing ring main bodies 2, the contraction of the inner walls of the sealing ring main bodies 2 is guaranteed due to the fact that the inner sides of the sealing ring main bodies 2 are made of the soft rubber materials, meanwhile, the tightness of a space during contraction is guaranteed due to the fact that the telescopic through grooves 11 are formed, arc-shaped clamping plates 4 are arranged at two ends of the interior of the joint shell main body 1, insulating gaskets 9 are arranged on the inner sides of the arc-shaped clamping plates 4, the insulating gaskets 9 are bonded with the inner sides of the arc-shaped clamping plates 4 through high-temperature-resistant glue, and the insulating characteristics of the device are improved through the insulating gaskets 9, two groups of positioning grooves 10 are symmetrically arranged on the outer side of the arc-shaped clamping plate 4, embedded bolts 3 which extend into the joint housing main body 1 and are matched with the positioning grooves 10 are symmetrically arranged in the middle of the outer side of the joint housing main body 1, through holes are arranged on the inner wall of the joint housing main body 1 close to the outer sides of the embedded bolts 3, internal threads matched with the embedded bolts 3 are uniformly arranged on the inner sides of the through holes, threaded connection with the embedded bolts 3 is guaranteed through the internal threads arranged in the through holes, the arc-shaped clamping plate 4 is pushed to move, back end inclined planes 8 mutually attached with the circular truncated cone type inner grooves 5 are arranged on one sides of the sealing ring main body 2 close to the circular truncated cone type inner grooves 5, positive end inclined planes 6 are arranged on one sides of the back end inclined planes 8 of the sealing ring main body 2, and trapezoidal extrusion blocks 7 mutually attached with the positive end inclined planes 6 are arranged in the middle parts of two sides of the arc-shaped clamping plate 4, the outside on positive terminal inclined plane 6 is laminated mutually with trapezoidal extrusion piece 7's bottom, and positive terminal inclined plane 6 supports arc splint 4 that trapezoidal extrusion piece 7 is connected, through being provided with trapezoidal extrusion piece 7, and then realized the function that promotes 2 displacements of sealing washer main part, and through supporting arc splint 4, guarantee the stability of arc splint 4 position, the inside of connecting shell main part 1 both sides all is provided with the patchhole, and the inboard of patchhole evenly is provided with anti-skidding line, inside through the patchhole is provided with anti-skidding line, improve the cable conductor outer wall and the structural compactness between the connecting shell main part 1.

The working principle is as follows: the device is when using, through the inside with a set of cable insertion device in advance, and then after two sets of cable butt fusion, with the device displacement to the joint department of two sets of cables, this moment carry out the displacement through screwing up embedded bolt 3 drive arc splint 4, the displacement through two sets of arc splint 4 drives two sets of insulating gaskets 9 and carries out the centre gripping to the cable in its middle part, make two sets of cable junction end structures more stable, meanwhile, the displacement through arc splint 4 drives trapezoidal extrusion piece 7 and extrudes positive terminal inclined plane 6, and then make sealing washer main part 2 receive the extrusion force of trapezoidal extrusion piece 7 and carry out the displacement, and circular platform formula inner groovy 5 and back end inclined plane 8 laminating this moment, thereby receive the restriction of circular platform formula groove 5 structure, make the inboard of sealing washer main part 2 contract, extrude the outer wall of cable through the inboard shrink of sealing washer main part 2, thereby realized that sealing washer main part 2 and cable outer wall closely laminate the function of sealing, and then guaranteed that external moisture can not get into the inside of joint housing main part 1, the stability and the leakproofness of structure have been improved.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as either a fixed connection or a detachable connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Claims

1. The utility model provides an insulating type cable that melts certainly under normal atmospheric temperature winds package intermediate head, includes joint housing main part (1), its characterized in that: the utility model discloses a sealing washer, including joint shell main part (1), the inside both sides of joint shell main part (1) all are provided with round platform formula inner groovy (5), the inboard of round platform formula inner groovy (5) all is provided with sealing washer main part (2), the inside both ends of joint shell main part (1) all are provided with arc splint (4), the outside symmetry of arc splint (4) is provided with two sets of constant head tanks (10), the middle part symmetry in joint shell main part (1) outside is provided with extends to joint shell main part (1) inside and with embedded bolt (3) of constant head tank (10) adaptation each other, one side that sealing washer main part (2) are close to round platform formula inner groovy (5) all is provided with back end inclined plane (8) of laminating each other with round platform formula inner groovy (5), one side of sealing washer main part (2) principle back end inclined plane (8) all is provided with positive end inclined plane (6), the middle part of arc splint (4) both sides all is provided with trapezoidal extrusion piece (7) of laminating each other with positive inclined plane (6).

2. The insulating self-melting type cable lapping intermediate joint at normal temperature according to claim 1, characterized in that: the inner side of the sealing ring main body (2) is made of soft rubber materials, and the inner side of the sealing ring main body (2) is uniformly provided with a telescopic through groove (11).

3. The insulating self-melting type cable lapping intermediate joint at normal temperature according to claim 1, characterized in that: the inner wall of the joint shell main body (1) is provided with a through hole at a position close to the outer side of the embedded bolt (3), and the inner side of the through hole is uniformly provided with internal threads matched with the embedded bolt (3).

4. The insulating self-melting type cable lapping intermediate joint at normal temperature according to claim 1, characterized in that: the outer side of the positive end inclined plane (6) is mutually attached to the bottom of the trapezoidal extrusion block (7), and the arc-shaped clamping plate (4) connected with the trapezoidal extrusion block (7) is supported by the positive end inclined plane (6).

5. The insulating self-melting type cable lapping intermediate joint at normal temperature according to claim 1, characterized in that: the inside of joint shell main part (1) both sides all is provided with the patchhole, and the inboard of patchhole evenly is provided with anti-skidding line.

6. The insulating self-melting type cable lapping intermediate joint at normal temperature according to claim 1, characterized in that: the inner sides of the arc-shaped clamping plates (4) are provided with insulating gaskets (9), and the insulating gaskets (9) are bonded with the inner sides of the arc-shaped clamping plates (4) through high-temperature-resistant glue.

7. The insulating self-melting type cable lapping intermediate joint at normal temperature according to claim 1, characterized in that: … ….

8. The insulating self-melting type cable lapping intermediate joint at normal temperature according to claim 1, characterized in that: … ….