CN212908112U

CN212908112U - Cable welded structure

Info

Publication number: CN212908112U
Application number: CN202021868770.5U
Authority: CN
Inventors: 曾琦; 李智洋; 吴斗风; 彭文福
Original assignee: Dongguan Yuqiu Electronics Co ltd
Current assignee: Dongguan Yuqiu Electronics Co ltd
Priority date: 2020-08-31
Filing date: 2020-08-31
Publication date: 2021-04-06
Anticipated expiration: 2030-08-31

Abstract

The utility model discloses a cable welded structure, it includes the cylindric metallic conductor and insulating outer cover, the metallic conductor tip stretches out outside insulating outer cover tip to with the terminal welded fastening in the connector, the metallic conductor tip has the welded plate through the mode shaping of flattening or flattening, the face of welded plate is laminated with the terminal surface of terminal, welded fastening again makes the metallic conductor and the contact surface grow of terminal, so that the welding is more firm, the conduction effect is more ideal, guarantee product quality; the welding plate is in a plate shape and is small in thickness, so that the outward protruding size of a soldering tin bag formed after later welding is small, and the installation is more convenient; and forming a welding plate by flattening or flattening the end part of the copper stranded conductor in the metal conductor, so that the fiber wires are tightly pressed and fixed in the welding plate. When testing the pulling force, the cellosilk can not taken out, and only after the cellosilk fracture, the conductor just can take place the fracture, can exert the stretching resistance effect of cellosilk completely to can promote the pulling force performance by a wide margin.

Description

Cable welded structure

The technical field is as follows:

the utility model relates to a cable welding technology field refers in particular to a cable welded structure.

Background art:

cable is a generic term for optical cables, electrical cables, and the like. The cable has many purposes, is mainly used for controlling installation, connecting equipment, transmitting power and other multiple functions, and is a common and indispensable object in daily life.

The cable in the prior art generally comprises a metal conductor and an insulating outer cover fixedly covering the periphery of the metal conductor, wherein the metal conductor is cylindrical, and the end part of the metal conductor extends out of the end part of the insulating outer cover; when the connector is used, the end part of the cylindrical metal conductor is welded and fixed with a terminal in the connector, the contact surface is small, the welding is not firm enough, the product quality is influenced, a soldering tin bag formed after welding protrudes outwards, the occupied area is large, and adverse effects are caused to the installation of the soldering tin bag.

In view of the above, the present inventors propose the following.

The utility model has the following contents:

an object of the utility model is to overcome prior art not enough, provide a cable welding.

In order to solve the technical problem, the utility model discloses a following technical scheme: the cable welding structure comprises a metal conductor and an insulating outer cover fixedly covering the periphery of the metal conductor, wherein the metal conductor is cylindrical, the end part of the metal conductor extends out of the end part of the insulating outer cover and is welded and fixed with a terminal in a connector, the end part of the metal conductor is formed into a welding plate in a flattening or flattening mode, and the plate surface of the welding plate is attached to the end surface of the terminal and then is welded and fixed.

Further, in the above technical solution, the thickness of the welding plate is 20% -70% of the outer diameter of the metal conductor.

Further, in the above technical solution, the width of the welding plate is 1.2 times or more of the outer diameter of the metal conductor.

Furthermore, in the above technical solution, the metal conductor includes a fiber wire located at the center and used for improving the tensile force performance, and a copper stranded conductor formed by winding a plurality of copper wires around the periphery of the fiber wire, the end of the copper stranded conductor is formed with a welding plate by flattening or flattening, and the fiber wire is compressed and fixed inside the welding plate.

Furthermore, in the above technical scheme, both sides of the lower end of the welding plate are provided with round chamfers, and the round chamfers and the metal conductor are arranged on the two sides of the lower end of the welding plate.

Further, in the above-described aspect, a concave arc engagement portion is formed between the other plate surface of the solder plate, which is attached to the end surface of the terminal, and the metal conductor.

Furthermore, in the above technical solution, the outer surface of the welding plate is provided with a tin plating layer, and a high temperature resistant conductive adhesive is filled between the surface of the welding plate and the end face of the terminal for fixation, and is fixed by soldering tin, and the soldering tin is wrapped on the outer surface of the welding plate and the end face of the terminal.

After the technical scheme is adopted, compared with the prior art, the utility model has following beneficial effect:

1. the utility model firstly forms the end part of the metal conductor with a welding plate in a flattening or flattening way, the surface of the welding plate is attached to the end surface of the terminal, and then the welding is fixed, so that the contact surface between the metal conductor and the terminal is enlarged, the welding is firmer, the conduction effect is more ideal, and the product quality is ensured; and because the welding plate is the slab form, its thickness diminishes to the outside convex size of soldering tin package that forms after the later stage welding is less, area occupied is little, can not cause adverse effect to its installation, and it is more convenient to guarantee that metallic conductor welds and assembles, makes the utility model discloses extremely strong market competition has.

2. The utility model discloses there is the welding plate copper strand conductor tip in the metallic conductor through the mode shaping of flattening or flattening, makes this cellosilk compressed tightly and is fixed in inside the welding plate. When testing the pulling force, the cellosilk can not taken out, and only after the cellosilk fracture, the conductor just can take place the fracture, can exert the stretching resistance effect of cellosilk completely to can promote the tensile force performance of product by a wide margin.

Description of the drawings:

fig. 1 is a welding assembly view of the present invention with a connector;

FIG. 2 is a partially exploded view of FIG. 1;

fig. 3 is a perspective view of the present invention;

fig. 4 is a left side view of the present invention;

fig. 5 is a front view of the present invention.

The specific implementation mode is as follows:

the present invention will be further described with reference to the following specific embodiments and accompanying drawings.

As shown in fig. 1-5, the cable welding structure includes a metal conductor 1 and an insulating outer cover 2 fixedly covering the periphery of the metal conductor 1, the metal conductor 1 is cylindrical, and an end portion of the metal conductor 1 extends out of an end portion of the insulating outer cover 2 and is welded and fixed with a terminal 31 in a connector 3, a welding plate 10 is formed at the end portion of the metal conductor 1 by flattening or flattening, and a plate surface of the welding plate 10 is attached to an end surface of the terminal 31 and then welded and fixed. The utility model discloses first, the end of metallic conductor 1 is formed with welding plate 10 by flattening or flattening, the face of welding plate 10 is laminated with the terminal surface of terminal 31, and then welded and fixed, the contact surface between metallic conductor 1 and terminal 31 is enlarged, so that the welding is firmer, the conduction effect is more ideal, and the product quality is ensured; and because the welding plate 10 is the slab form, its thickness diminishes to the outside convex size of soldering tin package that forms after the later stage welding is less, area occupied is little, can not cause adverse effect to its installation, and it is more convenient to guarantee that 1 welding of metallic conductor and assembly get up, the order the utility model discloses extremely strong market competition has.

The metal conductor 1 comprises a fiber wire which is located in the center and used for improving the tensile force performance and a copper stranded conductor which is formed by winding a plurality of copper wires on the periphery of the fiber wire, the end part of the copper stranded conductor is formed with a welding plate 10 in a flattening or flattening mode, and the fiber wire is tightly pressed and fixed inside the welding plate 10. The utility model discloses be provided with the tensile cellosilk of product that can promote in metal conductor 1, can guarantee the quality of product, this cellosilk increases high strength, high temperature resistant characteristic. Even the metal conductor of cable among the prior art also sets up the cellosilk and promotes product pulling force, but because the metal conductor does not flatten, the cellosilk is not fully fixed in the metal conductor inside promptly, can take out the complete cellosilk of during the test pulling force, and the stretching resistance effect of cellosilk is not fully exerted. And the utility model discloses there is welding plate 10 copper strand conductor tip through the mode shaping of flattening or flattening, makes this cellosilk compressed tightly and is fixed in inside welding plate 10. When testing the pulling force, the cellosilk can not taken out, and only after the cellosilk fracture, the conductor just can take place the fracture, can exert the stretching resistance effect of cellosilk completely to can promote the tensile force performance of product by a wide margin.

The thickness of the welding plate 10 is 20% -70% of the outer diameter of the metal conductor 1, the thickness of the welding plate 10 is greatly reduced, the soldering tin package can be accommodated in more space, and the soldering tin package is effectively prevented from protruding outwards excessively to influence the installation and other processes.

The width of welding plate 10 is more than 1.2 times of 1 external diameter of metal conductor to this width that can increase welding plate 10 can make the area that this welding plate 10 and terminal contacted become bigger, and the assembly is more stable, the later stage welded fastening of being convenient for.

The both sides of the lower end of the welding plate 10 are provided with round chamfers, and the round chamfers are formed by cutting with the metal conductor 1.

A concave arc joint part 101 is formed between the other plate surface attached to the end surface of the terminal 31 in the welding plate 10 and the metal conductor 1, and the concave arc joint part 101 is designed to prevent copper wires from being cut off when two sides of the lower end of the welding plate 10 are cut to form a round chamfer.

The outer surface of the welding plate 10 is provided with a tin coating, a high-temperature-resistant conductive adhesive is filled between the plate surface of the welding plate 10 and the end surface of the terminal 31 for fixation, the welding plate is fixed by welding the soldering tin 102, and the soldering tin 102 is coated on the outer surface of the welding plate 10 and the end surface of the terminal 31, so that the welding quality is ensured, and the product quality is improved.

To sum up, the utility model firstly forms the end of the metal conductor 1 with the welding plate 10 by flattening or flattening, the surface of the welding plate 10 is attached to the end surface of the terminal 31, and then the welding is fixed, so that the contact surface between the metal conductor 1 and the terminal 31 is enlarged, the welding is firmer, the conduction effect is more ideal, and the product quality is ensured; and because the welding plate 10 is the slab form, its thickness diminishes to the outside convex size of soldering tin package that forms after the later stage welding is less, area occupied is little, can not cause adverse effect to its installation, and it is more convenient to guarantee that 1 welding of metallic conductor and assembly get up, the order the utility model discloses extremely strong market competition has.

The utility model discloses there is welding plate 10 with the copper strand conductor tip in the metallic conductor 1 through the mode shaping of flattening or flattening, makes this cellosilk compressed tightly and is fixed in inside welding plate 10. When testing the pulling force, the cellosilk can not taken out, and only after the cellosilk fracture, the conductor just can take place the fracture, can exert the stretching resistance effect of cellosilk completely to can promote the tensile force performance of product by a wide margin.

Of course, the above description is only an exemplary embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes and modifications made by the constructions, features, and principles of the present invention in accordance with the claims of the present invention are intended to be included in the scope of the present invention.

Claims

1. A cable welding structure comprises a metal conductor (1) and an insulating outer cover (2) fixedly covering the periphery of the metal conductor (1), wherein the metal conductor (1) is cylindrical, the end part of the metal conductor (1) extends out of the end part of the insulating outer cover (2) and is welded and fixed with a terminal (31) in a connector (3),

the method is characterized in that: the end part of the metal conductor (1) is molded with a welding plate (10) in a flattening or flattening mode, and the plate surface of the welding plate (10) is attached to the end surface of the terminal (31) and then welded and fixed.

2. A cable welding structure according to claim 1, wherein: the thickness of the welding plate (10) is 20% -70% of the outer diameter of the metal conductor (1).

3. A cable welding structure according to claim 1, wherein: the width of the welding plate (10) is more than 1.2 times of the outer diameter of the metal conductor (1).

4. A cable welded structure according to any one of claims 1 to 3, wherein: the metal conductor (1) comprises a fiber wire which is located in the center and used for improving the tensile force performance and a copper stranded conductor which is formed by winding a plurality of copper wires on the periphery of the fiber wire, wherein the end part of the copper stranded conductor is molded with a welding plate (10) in a flattening or flattening mode, and the fiber wire is tightly pressed and fixed inside the welding plate (10).

5. A cable welded structure according to claim 4, wherein: and round chamfers are arranged on two sides of the lower end of the welding plate (10) and are connected with the metal conductor (1) through the round chamfers.

6. A cable welded structure according to claim 5, wherein: a concave arc joint part (101) is formed between the other plate surface of the welding plate (10) attached to the end surface of the terminal (31) and the metal conductor (1).

7. A cable welded structure according to claim 4, wherein: the outer surface of the welding plate (10) is provided with a tin coating, high-temperature-resistant conductive adhesive is filled between the plate surface of the welding plate (10) and the end surface of the terminal (31) for fixation, the welding plate is fixed by welding tin (102), and the welding tin (102) is coated on the outer surface of the welding plate (10) and the end surface of the terminal (31).