CN213278511U

CN213278511U - Cable with connector

Info

Publication number: CN213278511U
Application number: CN202021868797.4U
Authority: CN
Inventors: 曾琦; 陈复远; 李智洋; 吴斗风
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: 2021-05-25
Anticipated expiration: 2030-08-31

Abstract

The utility model discloses a cable with connector, which comprises a cable main body, a connector, an internal mold and an external mold, wherein the connector is welded and fixed with the end part of the cable main body and forms electric connection with the end part of the cable main body; the inner convex part formed on the inner side of the front end of the outer mold is embedded into the groove and is fixed into a whole, and the outer mold is attached to the periphery of the joint. And because this recess can hold the external mold, prevent that the external mold activity from causing the opening, even after mould drawing of patterns or exogenic action about through, also can not produce the opening between external mold and the peripheral metal casing of joint, guarantee that the product appearance is pleasing to the eye, waterproof performance and corrosion resistance can all be ensured, make product quality obtain the guarantee, the order the utility model discloses extremely strong market competition has.

Description

Cable with connector

The technical field is as follows:

the utility model relates to a belt joint cable product technical field refers in particular to a belt joint cable.

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 main part among the prior art and with this cable main part tip welded fastening and form electric connection's joint, set up in this cable main part tip and the interior mould that connects the surface and set up in this centre form outlying external mold, external mold and the peripheral metal casing of joint are not adhesion each other, after upper and lower mould drawing of patterns or exogenic action, easily produce the opening between external mold and the peripheral metal casing of joint, cause the product outward appearance unsightly, waterproof performance and corrosion protection can all lose efficacy, make product quality can not get the guarantee, cause very big puzzlement to the user.

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 belt joint cable.

In order to solve the technical problem, the utility model discloses a following technical scheme: the cable with the connector comprises a cable main body, a connector, an inner mold and an outer mold, wherein the connector is welded and fixed with the end part of the cable main body and forms electrical connection with the end part of the cable main body; the inner convex part formed on the inner side of the front end of the outer mold is embedded into the groove and is fixed into a whole, and the outer mold is attached to the periphery of the joint.

Furthermore, in the above technical solution, the number of the grooves is one, and the grooves are annular, so that a blank holder is formed on the periphery of the front end face of the inner mold; the inner convex part is annular, and the edge pressing is pressed on the periphery of the inner convex part.

Furthermore, in the above technical solution, the pressing edge is further provided with a plurality of openings penetrating through the outer surface of the inner mold; the periphery of the inner convex part is also formed with an outer convex part which is embedded into the opening and is fixed into a whole.

Furthermore, in the above technical solution, the grooves are cylindrical grooves, and the number of the grooves is multiple and the grooves are distributed annularly; the inner convex part is cylindrical.

Furthermore, in the above technical solution, the joint includes an insulator, a terminal inserted into the insulator, and a metal shell sleeved on the periphery of the insulator, the front end of the insulator is provided with a butt-joint slot, the front end of the terminal is exposed in the butt-joint slot, and the rear end of the terminal extends out of the rear end of the insulator; the terminal and the metal shell are welded and fixed with the cable main body and form electric connection.

Furthermore, in the above technical solution, the rear end of the insulator is provided with a terminal groove penetrating through the butt-joint slot, the terminal is in a plate shape, the front end of the terminal is punched to form a first contact portion and a second contact portion which are symmetrically distributed, the surfaces of the first contact portion and the second contact portion opposite to each other are both formed with convex arc portions, the rear end of the terminal is provided with a welding portion, and the welding portion is provided with a through hole.

Further, in the above technical solution, an installation groove is provided at the periphery of the insulator, and the metal shell is fixed in the installation groove in a covering manner.

Furthermore, in the above technical solution, the cable main body includes a first wire, a second wire and an insulating outer cover covering the peripheries of the first wire and the second wire, the inner mold and the outer mold both cover the outer surface of the insulating outer cover, and the first metal conductor of the first wire is cylindrical and is welded and fixed to the metal shell on the outer surface of the joint; and the end part of the second metal conductor of the second lead is formed with 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 in the joint 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 second metal conductor; the width of the welding plate is more than 1.2 times of the outer diameter of the second metal conductor.

Furthermore, in the above technical solution, the second 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 in a flattening or flattening manner, and the fiber wire is compressed and fixed inside the welding plate.

After the technical scheme is adopted, compared with the prior art, the utility model has following beneficial effect: the utility model discloses the terminal surface inboard is provided with at least one recess before the centre form, so that when the outer mould was peripheral in this centre form through the mode integrated into one piece of moulding plastics, in outer mould front end partial molding's interior convex part card embedding this recess, and solid as an organic whole, and make the outer mould and connect peripheral laminating, and because this recess can hold the outer mould, prevent that the outer mould activity from causing the opening, even after mould drawing of patterns or exogenic action about the process, the opening also can not produce between outer mould and the joint outlying metal casing, guarantee that the product appearance is pleasing to the eye, waterproof performance and corrosion resistance can all be protected, make product quality guarantee, the order the utility model discloses extremely strong market competition has.

Description of the drawings:

fig. 1 is a perspective view of a first embodiment of the present invention;

fig. 2 is an exploded perspective view of a first embodiment of the present invention;

fig. 3 is a cross-sectional view of a first embodiment of the present invention;

fig. 4 is a perspective view of the external mold according to the first embodiment of the present invention after being disassembled;

FIG. 5 is a perspective view of the second embodiment of the present invention after the outer mold is disassembled;

fig. 6 is a perspective view of the third embodiment of the present invention after the outer mold is disassembled.

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. 1-4, the cable with a connector includes a cable main body 1, a connector 2 welded and fixed to an end of the cable main body 1 to form an electrical connection, an inner mold 3 disposed on an outer surface of the end of the cable main body 1 and the connector 2, and an outer mold 4 disposed on an outer periphery of the inner mold 3, wherein at least one groove 31 is disposed on an inner side of a front end surface of the inner mold 3, the outer mold 4 is integrally formed on an outer periphery of the inner mold 3 by injection molding, and a front end of the outer mold 4 is coated outside a front end surface of the inner mold 3 and is adhered to an outer surface of the connector 2; the inner convex part 41 formed on the inner side of the front end of the outer die 4 is embedded into the groove 31 and is fixed into a whole, and the outer die 4 is attached to the periphery of the joint 2. The utility model discloses terminal surface inboard is provided with at least one recess 31 before centre form 3, so that at outer mould 4 when this centre form 3 is peripheral through the mode integrated into one piece of moulding plastics, in outer mould 4 front end partial molding's interior protruding portion 41 card embedding this recess 31, and solid as an organic whole, and make outer mould 4 and connect 2 peripheral laminating, and because this recess 31 can hold the outer mould, prevent that the outer mould activity from causing the opening, even after mould drawing of patterns or exogenic action about the process, the opening also can not be produced between outer mould and the peripheral metal casing that connects, guarantee that the product appearance is pleasing to the eye, waterproof performance and corrosion resistance can all be ensured, make product quality obtain the guarantee, the order the utility model discloses extremely strong market competition has.

The number of the grooves 31 is one, and the grooves are annular, so that a blank holder 32 is formed on the periphery of the front end face of the inner die 3; the inner convex part 41 is annular, and the pressing edge 32 presses the periphery of the inner convex part 41, so that the inner die can well pull the outer die to form good interference, the outer die 4 is attached to the periphery of the joint 2, and an opening is prevented from being formed between the outer die and the joint.

The connector 2 comprises an insulator 21, a terminal 22 inserted into the insulator 21 and a metal shell 23 sleeved on the periphery of the insulator 21, wherein the front end of the insulator 21 is provided with a butt joint slot 211, the front end of the terminal 22 is exposed in the butt joint slot 211, and the rear end of the terminal 22 extends out of the rear end of the insulator 21; the terminal 22 and the metal shell 23 are welded and fixed to the cable main body 1 and electrically connected.

The rear end of the insulator 21 is forwardly provided with a terminal groove 212 penetrating through the butt-joint slot 211, the terminal 22 is in a plate shape, the front end of the terminal 22 is punched to form a first contact part 221 and a second contact part 222 which are symmetrically distributed, the opposite surfaces of the first contact part 221 and the second contact part 222 are both provided with convex arc parts, the rear end of the terminal 22 is provided with a welding part 223, and the welding part 223 is provided with a through hole 224, so that during later soldering, the soldering tin is melted into the through hole, and the welding quality is guaranteed.

The periphery of the insulator 21 is provided with an installation groove 213, and the metal shell 23 is fixed in the installation groove 213 in a covering manner, so that the stability and the assembly quality of the joint structure are guaranteed.

The cable main body 1 comprises a first lead 11, a second lead 12 and an insulating outer cover 13 covering the peripheries of the first lead 11 and the second lead 12, the inner mold 3 and the outer mold 4 are both covered on the outer surface of the insulating outer cover 13, a first metal conductor 111 of the first lead 11 is in a cylindrical shape and is welded and fixed with a metal shell 23 on the outer surface of the joint 2; the end part of the second metal conductor 121 of the second lead 12 is formed with a welding plate 10 by flattening or flattening, the plate surface of the welding plate 10 is attached to the end surface of the terminal 22 in the connector 2, and then welding and fixing are performed, so that the contact surface between the second metal conductor 121 and the terminal 22 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 second metallic conductor 121 welds and assembles, the order the utility model discloses extremely strong market competition has.

The thickness of the welding plate 10 is 20% -70% of the outer diameter of the second metal conductor 121, 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 to influence the installation and other processes. The width of welding plate 10 is more than 1.2 times of second metal conductor 121 external diameter 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 second metal conductor 121 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 10 in a flattening or squashing manner, and the fiber wire is compressed and fixed inside the 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.

To sum up, the utility model discloses the terminal surface inboard is provided with at least one recess 31 before centre form 3, so that when outer mould 4 is peripheral in this centre form 3 through the mode of moulding plastics integrated into one piece, in outer mould 4 front end part shaping's interior protruding portion 41 card embedding this recess 31, and solid as an organic whole, and make outer mould 4 and 2 peripheral laminating of joint, and because this recess 31 can hold the outer mould, prevent that the outer mould activity from causing the opening, even mould drawing of patterns or exogenic action back about the process, the opening also can not produce between outer mould and the joint outlying metal casing, guarantee that the product appearance is pleasing to the eye, waterproof performance and corrosion resisting property all can be ensured, make product quality guarantee, the order the utility model discloses extremely strong market competition has.

Example two:

the second embodiment is different from the first embodiment in that the second embodiment adds the following technical features on the basis of the first embodiment: as shown in fig. 5, the pressing edge 32 is further provided with a plurality of openings 321 penetrating through the outer surface of the inner mold 3; the periphery of the inner convex part 41 is also formed with an outer convex part which is inserted into the opening 321 and fixed into a whole, so that the assembly structure of the inner mold 3 and the outer mold is further ensured to be more stable, the outer mold can be better pulled, and the opening between the outer mold and the metal shell on the periphery of the joint is further ensured not to be generated.

Except for the above, other structures of the second embodiment are substantially the same as those of the first embodiment, and the achieved technical effects are also substantially the same, which are not described in detail herein.

Example three:

the third embodiment is different from the first embodiment in that; the shapes of the grooves 31 and the inner convex portions 41 are different, and specifically, as shown in fig. 6, the grooves 31 are cylindrical grooves, and the number of the grooves is multiple and the grooves are distributed annularly; the inner protrusion 41 has a cylindrical shape.

Except for the above, other structures of the third embodiment are substantially the same as those of the first embodiment, and the achieved technical effects are also substantially the same, which are not described in detail herein.

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. The utility model provides a cable with connector, its includes cable main part (1) and with this cable main part (1) tip welded fastening and form electric connection's joint (2), set up in centre form (3) and set up in this centre form (3) outlying external mold (4) of this centre form (3) of this cable main part (1) tip and joint (2) surface, its characterized in that:

the inner side of the front end face of the inner die (3) is provided with at least one groove (31), the outer die (4) is integrally formed on the periphery of the inner die (3) in an injection molding mode, and the front end of the outer die (4) is coated outside the front end face of the inner die (3) and is adhered to the outer surface of the joint (2); an inner convex part (41) formed on the inner side of the front end of the outer die (4) is embedded into the groove (31) and is fixed into a whole, and the outer die (4) is attached to the periphery of the joint (2).

2. The cable with splice of claim 1, wherein: the number of the grooves (31) is one, the grooves are annular, and a blank holder (32) is formed on the periphery of the front end face of the inner die (3); the inner convex part (41) is annular, and the edge pressing part (32) presses the periphery of the inner convex part (41).

3. A cable with a splice according to claim 2, wherein: the edge pressing (32) is also provided with a plurality of openings (321) which penetrate through the outer surface of the inner die (3); the periphery of the inner convex part (41) is also formed with an outer convex part which is inserted into the opening (321) and is fixed into a whole.

4. The cable with splice of claim 1, wherein: the grooves (31) are cylindrical grooves, and the number of the grooves is multiple and the grooves are distributed annularly; the inner convex part (41) is cylindrical.

5. A cable with a splice according to any one of claims 1 to 4, wherein: the connector (2) comprises an insulator (21), a terminal (22) inserted into the insulator (21) and a metal shell (23) sleeved on the periphery of the insulator (21), wherein the front end of the insulator (21) is provided with a butt joint slot (211), the front end of the terminal (22) is exposed in the butt joint slot (211), and the rear end of the terminal (22) extends out of the rear end of the insulator (21); the terminal (22) and the metal shell (23) are welded and fixed with the cable main body (1) and form electric connection.

6. The cable with splice of claim 5, wherein: the rear end of the insulator (21) is forwardly provided with a terminal groove (212) penetrating through the butt joint insertion groove (211), the terminal (22) is in a plate shape, the front end of the terminal (22) is punched to form a first contact part (221) and a second contact part (222) which are symmetrically distributed, convex arc parts are formed on the opposite surfaces of the first contact part (221) and the second contact part (222), the rear end of the terminal (22) is provided with a welding part (223), and a through hole (224) is formed in the welding part (223).

7. The cable with splice of claim 5, wherein: an installation groove (213) is formed in the periphery of the insulator (21), and the metal shell (23) is fixed in the installation groove (213) in a covering mode.

8. The cable with splice of claim 5, wherein: the cable main body (1) comprises a first lead (11), a second lead (12) and an insulating outer cover (13) covering the peripheries of the first lead (11) and the second lead (12), the inner mold (3) and the outer mold (4) are covered on the outer surface of the insulating outer cover (13), a first metal conductor (111) of the first lead (11) is cylindrical and is welded and fixed with a metal shell (23) on the outer surface of the joint (2); the end part of the second metal conductor (121) of the second lead (12) 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 (22) in the joint (2) and then welded and fixed.

9. The cable with splice of claim 8, wherein: the thickness of the welding plate (10) is 20% -70% of the outer diameter of the second metal conductor (121); the width of the welding plate (10) is more than 1.2 times of the outer diameter of the second metal conductor (121).

10. The cable with splice of claim 8, wherein: the second metal conductor (121) 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).