CN216819363U

CN216819363U - Stress cone cable connection structure

Info

Publication number: CN216819363U
Application number: CN202220183449.6U
Authority: CN
Inventors: 马潇
Original assignee: Guangdong Anpu Hongshang Electric Co ltd
Current assignee: Guangdong Anpu Hongshang Electric Co ltd
Priority date: 2022-01-24
Filing date: 2022-01-24
Publication date: 2022-06-24
Anticipated expiration: 2032-01-24

Abstract

The utility model discloses a stress cone cable connection structure, which comprises: the stress cone comprises a stress cone body, wherein an installation cavity is arranged in the stress cone body; the inner wall of the conical semi-conductive inner body is provided with a first contact surface, and a first contact area is arranged on the first contact surface; the outer wall of the conical semi-conductive inner body is provided with a second contact surface, and the second contact surface is connected with the mounting cavity; a joint semi-conductor in fitted connection with the first contact region; and the second contact surface can move from the first position to the second position of the mounting cavity to adjust the contact area covered by the first contact area. The technical scheme of the utility model can improve the application range.

Description

Stress cone cable connection structure

Technical Field

The utility model relates to the technical field of stress cones, in particular to a stress cone cable connecting structure.

Background

A cable is typically a rope-like cable made up of several or several groups of at least two twisted conductors, each group being insulated from each other and twisted around a center, the entire outer surface being covered with a highly insulating coating, the cable having internal current carrying, external insulation characteristics. As the application of the cable is more and more extensive, the cable is used more and more, and thus the connection structure of the cable is more and more, including the stress cone cable connection structure.

However, the internal assembly positions of most of the existing stress cone cable connection structures are too long or too short, so that creepage or breakdown can be caused, great potential safety hazards are left, and the application range of the stress cone cable connection structures is small.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a stress cone cable connecting structure, aiming at improving the application range.

The above problems to be solved by the present invention are achieved by the following technical solutions:

a stress cone cable connection comprising:

the stress cone comprises a stress cone body, wherein an installation cavity is arranged in the stress cone body;

the inner wall of the conical semi-conductive inner body is provided with a first contact surface, and a first contact area is arranged on the first contact surface; the outer wall of the conical semi-conductive inner body is provided with a second contact surface, and the second contact surface is connected with the mounting cavity;

a joint semi-conductor in fitted connection with the first contact region;

and the second contact surface can move from the first position to the second position of the mounting cavity to adjust the contact area covered by the first contact area.

Preferably, the first position is located inside the second position, or the first position is located outside the second position.

Preferably, the taper semi-conductive inner body is a cylindrical taper semi-conductive inner body; and one side end of the conical semi-conductive inner body is provided with a round angle.

Preferably, the outer wall of the stress cone body is provided with a convex part, and the convex part is provided with a grounding hole.

Preferably, the stress cone body comprises a transverse body and a longitudinal body connected with the transverse body; the longitudinal body is for coupling with the tapered semi-conductive inner body.

Preferably, the mounting cavity comprises a transverse cavity and a longitudinal cavity, and the transverse cavity is positioned inside the transverse body; the longitudinal cavity is located inside the longitudinal body, and the transverse cavity is communicated with the longitudinal cavity.

Preferably, the transverse cavity comprises a first cavity and a second cavity, and the first cavity, the second cavity and the longitudinal cavity are communicated with each other; and the first cavity is a cavity with a cavity diameter decreasing from the outside of the stress cone body towards the second cavity; the second cavity is a cavity with the diameter of the cavity increasing from the direction to the outside of the stress cone body.

Preferably, the transverse body comprises a first outer protection layer, a first insulating layer and a first inner protection layer, the first outer protection layer covers and is connected to the outer wall of the first insulating layer, and the first inner protection layer is connected to at least part of the structure of the first insulating layer.

Preferably, the longitudinal body comprises a second outer protective layer, a second insulating layer and a second inner protective layer, the second outer protective layer covers the outer wall connected to the second insulating layer, the second inner protective layer is connected to a partial structure of the inner wall of the second insulating layer and the second inner protective layer is connected to at least a partial structure of the joint semiconductor.

Preferably, the longitudinal cavity comprises a third cavity and a fourth cavity, and the fourth cavity is respectively communicated with the third cavity and the transverse cavity; and the third cavity is a cavity with the same cavity diameter; the fourth cavity is a cavity with a cavity diameter which is reduced from the fourth cavity to the transverse cavity.

Has the advantages that: according to the technical scheme, the cone semi-conductive inner body is movably connected with the first position and the second position of the mounting cavity, so that the contact area covered by the first contact area is adjusted, the cone semi-conductive inner body is well assembled with the joint semi-conductive body, creepage or breakdown caused by overlong or overlong assembling positions is avoided, the electrical performance is reduced, and the use safety performance is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a stress cone cable connection structure according to the present invention.

Fig. 2 is a partially enlarged view of a stress cone cable connection according to the present invention.

Fig. 3 is a schematic view of a tapered semi-conductive inner body of a stress cone cable connection according to the present invention.

Fig. 4 is a schematic structural diagram of a stress cone body of a stress cone cable connection structure according to the present invention.

The reference numbers illustrate: 1-a stress cone body; 101-a first cavity; 102-a second cavity; 103-a third cavity; 104-a fourth cavity; 11-a transverse body; 111-a first outer protective layer; 112-a first insulating layer; 113-a first inner protective layer; 12-a longitudinal body; 121-a second outer protective layer; 122 — a second insulating layer; 123-a second inner protective layer; 2-cone semiconducting endosomes; 21-a first contact surface; 211 — a first contact area; 22-a second contact surface; 221-first chamfer; 3-a joint semi-conductor; 4-a step ring; 5-a convex part.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used for explaining the relative position relationship between the components, the motion situation, and the like in a specific posture, and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, if the meaning of "and/or" and/or "appears throughout, the meaning includes three parallel schemes, for example," A and/or B "includes scheme A, or scheme B, or a scheme satisfying both schemes A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a stress cone cable connecting structure.

As shown in fig. 1-3, in one embodiment of the present invention, the stress cone cable connection structure; the method comprises the following steps:

the stress cone comprises a stress cone body 1, wherein an installation cavity is arranged in the stress cone body 1;

the conical semi-conductive inner body 2 is provided with a first contact surface 21 on the inner wall of the conical semi-conductive inner body 2, and a first contact area is arranged on the first contact surface 21; the outer wall of the conical semi-conductive inner body 2 is provided with a second contact surface 22, and the second contact surface 22 is connected with the mounting cavity;

a joint semiconductor 3, the joint semiconductor 3 being in fitted connection with the first contact region;

and the second contact surface 22 is movable from a first position to a second position of the mounting cavity to adjust the contact area covered by the first contact area.

According to the technical scheme, the conical semi-conductive inner body is movably connected with the first position and the second position of the mounting cavity, so that the contact area covered by the first contact area is adjusted, the conical semi-conductive inner body is better assembled with the joint semi-conductive body, the phenomenon that creepage or breakdown is caused by overlong or overlong assembling positions is avoided, the electrical performance is reduced, and the use safety performance is improved.

In particular, in some embodiments, the first location is located inboard of the second location, or the first location is located outboard of the second location; that is, the first position and the second position are any two positions of the mounting cavity inside the stress cone body, and since the fitting region of the joint semi-conductor is fixed, the first contact region is concomitantly moved so that the contact area with different joint semi-conductors is concomitantly adjusted in order to accommodate more different products; the adaptability is improved.

Specifically, in some embodiments, the tapered semi-conductive inner body 2 is a cylindrical tapered semi-conductive inner body; and one side end of the conical semi-conductive inner body 2 is provided with a fillet; the rapidity and the stability of the installation and the assembly of the conical semi-conductive inner body into the installation cavity are guaranteed.

Specifically, in some embodiments, as shown in fig. 1 and 2, a convex portion 5 is provided on the outer wall of the stress cone body 1, and a ground hole is provided on the convex portion 5.

Specifically, in some embodiments, as shown in fig. 4, the stress cone body 1 comprises a transverse body 11 and a longitudinal body 12 connected to the transverse body; said longitudinal body 12 is intended to be coupled to said tapered semi-conducting inner body 2;

the mounting cavity comprises a transverse cavity and a longitudinal cavity, and the transverse cavity is positioned inside the transverse body 11; the longitudinal cavity is located inside the longitudinal body 12, and the transverse cavity and the longitudinal cavity are in communication with each other. The stability and the convenience of installation assembly are guaranteed.

Specifically, in some embodiments, as shown in fig. 4, the transverse cavity comprises a first cavity 101 and a second cavity 102, and the first cavity 101, the second cavity 102 and the longitudinal cavity are communicated with each other; and the first cavity 101 is a cavity with a cavity diameter decreasing from the outside of the stress cone body 1 towards the second cavity 102; the second cavity 102 is a cavity whose cavity diameter increases from the direction toward the outside of the stress cone body 1.

Specifically, in some embodiments, as shown in fig. 4, the longitudinal cavity includes a third cavity 103 and a fourth cavity 104, and the fourth cavity 104 is respectively communicated with the third cavity 103 and the transverse cavity; and the third cavity 103 is a cavity with the same cavity diameter; the fourth cavity 104 is a cavity whose cavity diameter decreases from the fourth cavity 104 toward the transverse cavity.

Specifically, in some embodiments, as shown in fig. 4, the transverse body 11 includes a first outer protection layer 111, a first insulating layer 112, and a first inner protection layer 113, wherein the first outer protection layer 111 covers an outer wall of the first insulating layer 112, and the first inner protection layer 113 is connected to at least a portion of the first insulating layer 112. The structural stability of the transverse body 11 is guaranteed, and the phenomena of electric leakage and the like are avoided.

Specifically, in some embodiments, as shown in fig. 4, the longitudinal body 12 includes a second outer protective layer 121, a second insulating layer 122, and a second inner protective layer 123, the second outer protective layer 121 covers a partial structure attached to an outer wall of the second insulating layer 122, the second inner protective layer 123 is attached to an inner wall of the second insulating layer 122 and the second inner protective layer 123 is attached to at least a partial structure of the joint semiconductor 3; the structural stability of the longitudinal body 12 is ensured, and the phenomena of electric leakage and the like are avoided.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings, or any other related technical fields, which are directly or indirectly applied to the present invention, are included in the scope of the present invention.

Claims

1. A stress cone cable connection structure, comprising:

a joint semi-conductor in fitted connection with the first contact region;

2. The stress cone cable connection of claim 1 wherein said first location is inboard of said second location or said first location is outboard of said second location.

3. The stress cone cable connection structure according to claim 1 or 2, wherein the cone semi-conductive inner body is a cylindrical cone semi-conductive inner body; and one side end of the conical semi-conductive inner body is provided with a round angle.

4. The stress cone cable connection structure according to claim 1, wherein a protrusion is formed on an outer wall of the stress cone body, and a grounding hole is formed on the protrusion.

5. The stress cone cable connection structure of claim 1 wherein the stress cone body comprises a transverse body and a longitudinal body connected to the transverse body; the longitudinal body is for coupling with the tapered semi-conductive inner body.

6. The stress cone cable connection structure of claim 5 wherein the mounting cavity comprises a transverse cavity and a longitudinal cavity, the transverse cavity being located inside the transverse body; the longitudinal cavity is located inside the longitudinal body, and the transverse cavity is communicated with the longitudinal cavity.

7. The stress cone cable connection structure of claim 6 wherein the transverse cavity comprises a first cavity and a second cavity, the first cavity, the second cavity and the longitudinal cavity being in communication with one another; and the first cavity is a cavity with a cavity diameter decreasing from the outside of the stress cone body towards the second cavity; the second cavity is a cavity with the diameter of the cavity increasing from the direction to the outside of the stress cone body.

8. The stress cone cable connection structure according to claim 5 or 6 wherein the transverse body comprises a first outer protective layer, a first insulating layer and a first inner protective layer, the first outer protective layer is covered and connected on the outer wall of the first insulating layer, and the first inner protective layer is connected on at least a part of the structure of the first insulating layer.

9. A stress cone cable connection according to claim 5 or 6 wherein the longitudinal body comprises a second outer protective layer, a second insulating layer and a second inner protective layer, the second outer protective layer covering the outer wall of the second insulating layer, the second inner protective layer being attached to the inner wall of the second insulating layer and the second inner protective layer being attached to at least part of the structure of the joint semi-conductor.

10. The stress cone cable connection structure of claim 6 wherein the longitudinal cavity comprises a third cavity and a fourth cavity, the fourth cavity being in communication with the third cavity and the transverse cavity, respectively; and the third cavity is a cavity with the same cavity diameter; the fourth cavity is a cavity with a cavity diameter which is reduced from the fourth cavity to the transverse cavity.