CN218548804U

CN218548804U - Novel cable connecting terminal

Info

Publication number: CN218548804U
Application number: CN202222667941.3U
Authority: CN
Inventors: 刘洋; 李晨阳
Original assignee: Sichuan Jiuzhou Wire and Cable Co Ltd
Current assignee: Sichuan Jiuzhou Wire and Cable Co Ltd
Priority date: 2022-10-11
Filing date: 2022-10-11
Publication date: 2023-02-28
Anticipated expiration: 2032-10-11

Abstract

The utility model discloses a novel cable connecting terminal, which comprises a connecting nose, wherein the connecting nose comprises a conductive cylinder body with an opening at one end and a connecting part integrally connected with the closed end of the conductive cylinder body; a cylindrical wiring terminal tube body is arranged in the conductive cylinder body in a clearance mode, three crimping parts are uniformly distributed on the inner wall of the wiring terminal tube body, and gaps are formed among the crimping parts; and a wiring groove into which the fan-shaped conductor enters is formed between the crimping parts. The utility model discloses the phenomenon of rupture of conductive cylinder body when can effectively solve crimping wiring nose makes cable conductor and wiring nose fully contact simultaneously, improves joint department electric conductive property, reduces joint department electrical energy loss and heating phenomenon.

Description

Novel cable connecting terminal

Technical Field

The utility model relates to a cable connecting terminal specifically is a novel cable connecting terminal.

Background

The cable which is common at present mainly comprises a cable conductor, a shielding layer, a sheath layer and the like. Connection of electric wire, power cable and electric equipment in distribution deviceThe wiring terminal is used. Binding post includes the wiring nose, and the wiring nose includes one end open-ended electrically conductive barrel and with the wiring portion of the blind end body coupling of electrically conductive barrel, and the internal clearance of electrically conductive barrel is provided with cylindric binding post body. The use method of the wiring terminal comprises the steps of firstly stripping the insulation of the end part of the cable conductor, then placing the cable core into the wiring terminal tube body, and then flattening the conductive cylinder body by adopting the hydraulic clamp, so that the fixation of the cable core and the terminal is realized. The common connecting terminal tube body is circular and 70mm ² And the cable conductors of the above specifications generally adopt a molded conductor structure, such as a fan-shaped structure, a tile-shaped structure and the like.

Chinese patent literature discloses a "fan-shaped compressed aluminum joint" (publication No. CN201616516U, published 2010, 10 and 27), which discloses a fan-shaped compressed aluminum joint, comprising: an aluminum terminal; further comprising: a cylinder inserted into the aluminum terminal, capable of rotating and having a sector shape inside; the pipe cavity of the aluminum terminal is circular, and the pipe cavity of the fan-shaped pressing aluminum connector is fan-shaped. The technology is mainly suitable for fan-shaped cable conductors, the size of a tube cavity of the cable conductor is slightly larger than that of the cable conductor, and after the end part of the cable conductor is placed into the tube cavity, a clearance fit or slight interference structure can be formed. The cable conductor end is put into the tube cavity (the terminal tube body), if the moving clearance is not enough, namely, the deformation space is not enough when the cable conductor end is crimped; after the hydraulic pliers are used for pressing the wiring terminal and the cable conductor, the tube cavity (the wiring terminal tube body) can be expanded excessively, so that the conductive tube body is extruded and deformed. When in actual use, the outside atress of the conductive cylinder body of binding post compresses tightly the back, has conductive cylinder body can distort, damaged or can not fully contact with the cable conductor to and generate heat in joint department, extravagant electric energy transmission's problem.

Disclosure of Invention

The utility model aims to provide an: to the not enough of above-mentioned prior art, provide a simple structure, can effectively solve the crimping wiring nose time conductive barrel phenomenon of breaking, make cable conductor and wiring nose fully contact simultaneously, improve joint department electric conductive property, reduce joint department electric energy loss and the novel cable connecting terminal of phenomenon of generating heat.

The technical purpose of the utility model is realized through the following technical scheme:

a novel cable connecting terminal comprises a connecting nose, wherein the connecting nose comprises a conductive cylinder body with an opening at one end and a connecting part integrally connected with the closed end of the conductive cylinder body; a cylindrical wiring terminal tube body is arranged in the conductive cylinder body in a clearance mode, three crimping parts are uniformly distributed on the inner wall of the wiring terminal tube body, and gaps are formed among the crimping parts; and a wiring groove into which the fan-shaped conductor enters is formed between the crimping parts.

One surface of the crimping part, which is in contact with the fan-shaped conductor, is a crimping surface, and a wiring groove formed by the crimping surfaces of the three crimping parts is triangular.

The crimping surface of the crimping part encloses an equilateral triangle.

The diameter of the connecting terminal tube body is slightly smaller than the diameter of the inner hole of the conductive tube body, and the length of the connecting terminal tube body is smaller than the length of the conductive tube body.

And a gap between the conductive cylinder and the connecting terminal tube body is filled with conductive paste.

The material of the connecting terminal tube body is copper or aluminum.

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

1. the utility model discloses an inner wall equipartition of binding post body is provided with and is provided with the clearance between three crimping portion and the crimping portion, forms the wiring groove that fan-shaped conductor got into between the crimping portion. After the cable conductor enters the connecting terminal pipe body, the cable conductor is pressed tightly through hydraulic pliers, and due to the fact that the gap is formed between the press-connection parts, the technical measure is adopted, and the connecting terminal pipe body is enabled to leave enough deformation space; when the tight pressure is out of shape, can not excessively warp and lead to electrically conductive barrel to break, make cable conductor and connection lug fully contact simultaneously, improve joint department electric conduction nature, reduce joint department electric energy loss and the phenomenon of generating heat.

2. The utility model discloses a diameter of binding post body slightly is less than conductive barrel length than conductive barrel internal hole diameter and length. By adopting the structure, the disassembly and the assembly can be convenient.

3. The utility model discloses a clearance packing between conductive barrel and the binding post body has conductive paste. The conductive paste is filled, so that the conductivity of the connecting terminal can be improved.

Drawings

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

fig. 2 is a schematic structural view of the terminal body 2 in fig. 1;

fig. 3 is a top view of the terminal body 2 of fig. 2;

reference numerals are as follows: 1-wire connection nose; 11-a wiring portion; 12-a conductive cylinder; 2, a connecting terminal tube body; 21-crimping part; 211-crimping surface; 22-a gap; 23-a wiring slot; and 3, conductive paste.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present invention, it should be noted that "a plurality" means two or more; 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.

As shown in fig. 1 to fig. 3, a novel cable connection terminal comprises a connection nose 1, wherein the connection nose 1 comprises a conductive cylinder 12 with an open end and a connection part 11 integrally connected with a closed end of the conductive cylinder 12; a cylindrical wiring terminal tube body 22 is arranged in the gap 22 in the conductive cylinder body 1; three crimping parts 21 are uniformly distributed on the inner wall of the connecting terminal tube body 22, and gaps 22 are formed among the crimping parts 21; between the crimping portions 21, a wiring groove 23 into which a fan-shaped conductor enters is formed.

Specifically, the terminal lug 1 is made of copper or aluminum with good conductivity and ductility, and is composed of a flat terminal portion 11 and a conductive barrel 12 with an opening at one end. The inside of conductive barrel 12 is provided with can with clearance 22 complex binding post body 2, specifically, the diameter of binding post body 2 slightly is less than 1 hole diameter of conductive barrel and length is less than 1 length of conductive barrel. By adopting the structure, the disassembly and the assembly can be convenient.

The connecting terminal tube body 2 is also made of copper or aluminum with good conductivity and ductility. The binding post body 2 is cylindricly for one end open-ended, is provided with three crimping portion 21 and is provided with clearance 22 between crimping portion 21 at the inner wall equipartition of binding post body 2, and clearance 22 carries out the adaptability adjustment according to the conductor specification of difference. Spaces into which the fan-shaped conductors are inserted are formed between the crimping portions 21. One surface of the press-bonding section 21, which is in contact with the fan-shaped conductor, is a press-bonding surface 211, the connection groove 23 surrounded by the press-bonding surfaces 211 of the three press-bonding sections 21 is triangular, and the three press-bonding surfaces 211 correspond to the three surfaces of the fan-shaped conductor respectively. The wiring grooves 23 enclosed between the crimping sections 21 are mainly adapted to the sector-shaped cable conductors, i.e. to the sector-shaped conductors. In actual use, the crimping surface 211 of the crimping portion 21 encloses an equilateral triangle. By adopting the technical measure, the device has the technical effect of simple structure. After the cable conductor enters the connecting terminal tube body 2, the cable conductor is pressed tightly by hydraulic pliers, and due to the fact that the gaps 22 are formed among the press-connection parts 21, the connecting terminal tube body 2 is enabled to have enough deformation space by adopting the technical measure; when the crimping becomes shape, can not excessively warp and lead to conductive barrel 12 to break, simultaneously, the three face that forms the wiring groove 23 that the fan-shaped conductor got into between crimping portion 21 corresponds the fan-shaped conductor makes cable conductor and connection lug 1 fully contact when compressing tightly, improves joint department electric conductivity nature, reduces joint department electric energy loss and the phenomenon of generating heat.

As shown in fig. 1, the gap 22 between the conductive cylindrical body 1 and the terminal body 2 is filled with the conductive paste 3. By filling the conductive paste 3, the conductivity of the terminal can be improved.

The technical solutions provided by the embodiments of the present invention are described in detail above, and the principles and embodiments of the present invention are explained herein by using specific examples, and the descriptions of the above embodiments are only applicable to help understand the principles of the embodiments of the present invention; meanwhile, for a person skilled in the art, according to the embodiments of the present invention, there may be variations in the specific implementation manners and application ranges, and in summary, the contents of the present specification should not be construed as limitations of the present invention.

Claims

1. A novel cable connecting terminal comprises a connecting nose, wherein the connecting nose comprises a conductive cylinder body with an opening at one end and a connecting part integrally connected with the closed end of the conductive cylinder body; the clearance is provided with cylindric binding post body in the conductive cylinder body, its characterized in that: three crimping parts are uniformly distributed on the inner wall of the connecting terminal pipe body, and gaps are formed among the crimping parts; and a wiring groove into which the fan-shaped conductor enters is formed between the crimping parts.

2. A novel cable terminal according to claim 1, characterized in that: one surface of the crimping part, which is in contact with the fan-shaped conductor, is a crimping surface, and a wiring groove formed by the crimping surfaces of the three crimping parts is triangular.

3. A novel cable connecting terminal according to claim 2, wherein: the crimping surface of the crimping part encloses an equilateral triangle.

4. A novel cable connecting terminal according to claim 1, wherein: the diameter of the connecting terminal tube body is slightly smaller than the diameter of the inner hole of the conductive tube body, and the length of the connecting terminal tube body is smaller than the length of the conductive tube body.

5. The novel cable lug according to claim 4, wherein: and a gap between the conductive cylinder and the connecting terminal tube body is filled with conductive paste.

6. A novel cable connecting terminal according to claim 1, wherein: the material of the connecting terminal tube body is copper or aluminum.