CN216436239U

CN216436239U - Front-through type plastic-rubber shell fixing structure

Info

Publication number: CN216436239U
Application number: CN202122587075.2U
Authority: CN
Inventors: 莫祖锦; 李智洋; 吴斗风
Original assignee: Dongguan Yuqiu Electronics Co ltd
Current assignee: Dongguan Yuqiu Electronics Co ltd
Priority date: 2021-10-26
Filing date: 2021-10-26
Publication date: 2022-05-03
Anticipated expiration: 2031-10-26

Abstract

The utility model discloses a front-through plastic shell fixing structure, which comprises a PE inner mold, an SR tail part, a PP outer mold and a plastic shell, wherein the PE inner mold is integrally injection-molded at the joint of a wire rod and a connector, the SR tail part is arranged at the end part of the wire rod and is made of TPE material, the PP outer mold is integrally injection-molded outside the connector and the PE inner mold, the plastic shell is arranged at the periphery of the PP outer mold in a penetrating way, and the rear end of the plastic shell is also sleeved at the front end part of the SR tail part and is fastened and connected; the rear end face of the PP outer die is contacted with the front end face of the SR tail part and is bonded and fixed into a whole. The utility model integrally injection-molded PE inner mold at the joint of the wire and the connector, the PE inner mold wraps the wire of the wire, the structure is favorable for high-frequency testing of products, and the product quality is improved; and the PP outer die is integrally injection-molded outside the connector and the PE inner die, and the PP material and the TPE material can be bonded together after molding, so that the rear end face of the PP outer die is contacted with and bonded and fixed with the front end face of the SR tail, the SR tail is prevented from falling off easily, and the service life of a product is ensured.

Description

Front-through type plastic-rubber shell fixing structure

The technical field is as follows:

the utility model relates to a data line technical field refers in particular to a preceding formula of wearing is glued and is moulded case fixed knot and construct.

Background art:

with the rapid development of electronic technology, the functions of electronic devices are increasing continuously, and various interfaces are customized on the electronic devices to facilitate connection with other devices.

The data line is used for connecting an interface of the electronic equipment to charge the electronic equipment or transmit data to the electronic equipment so as to meet different use requirements.

The data line on the market at present generally comprises a wire rod, a connector which is connected with the wire rod and forms electrical conduction, an internal mold which is integrally injection-molded at the joint of the wire rod and the connector, an SR tail which is arranged at the end of the wire rod and is made of TPE material, and a plastic shell which is inserted and sleeved on the internal mold and the periphery of the SR tail, wherein the internal mold is integrally molded by PE material, but the internal mold made of PE material cannot be bonded with the SR tail made of TPE material, so that the SR tail is easy to open and fall off; or, the inner mold is integrally formed by a PP material, but the inner mold made of the PP material causes poor high-frequency testing performance of the product, and causes great trouble to manufacturers.

In view of this, 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 preceding formula of wearing plastic-rubber housing fixed knot and construct.

In order to solve the technical problem, the utility model discloses a following technical scheme: the front-penetrating type plastic shell fixing structure comprises a PE inner die, an SR tail, a PP outer die and a plastic shell, wherein the PE inner die is integrally formed at the joint of a wire and a connector in an injection molding mode, the SR tail is arranged at the end of the wire and is made of TPE materials, the PP outer die is integrally formed outside the connector and the PE inner die in an injection molding mode, the plastic shell is arranged on the periphery of the PP outer die in an inserting and sleeving mode, and the rear end of the plastic shell is further sleeved on the front end part of the SR tail and is fixedly connected with the SR tail; the rear end face of the PP outer die is contacted with the front end face of the SR tail part and is bonded and fixed into a whole.

Furthermore, in the above technical scheme, a plurality of limiting lugs are formed on the outer surface of the PP outer mold, and are in contact with the inner wall of the plastic shell through the limiting lugs to form tensioning fixation.

Furthermore, in the above technical solution, the front end of the limit bump is further provided with an inclined surface.

Furthermore, in the above technical scheme, a plurality of limiting clamping protrusions are formed on the inner wall of the front end of the plastic shell, and the limiting clamping protrusions are clamped and positioned with the outer surface of the front end of the PP outer mold.

Furthermore, in the above technical scheme, the inner wall of the rear end of the plastic shell is provided with a limiting groove, and the limiting groove is sleeved on the periphery of the SR tail portion in a clamping manner.

Further, in the above technical solution, an inclined guide surface is disposed on the periphery of the front end of the SR tail, and the outer surface of the SR tail protrudes out of the outer surface of the PP outer mold.

Further, in the above technical solution, the PP outer mold is integrally and fixedly wrapped around the metal shell of the connector.

Further, in the above technical solution, the metal jacket integrally connected to the rear end of the metal shell is fixed to the wire clamp, and the SR tail portion further wraps the metal jacket.

Further, in the above technical solution, the connector is a plug connector having a mating portion for mating with a receptacle; wherein, the front end face of the plastic shell is provided with a window, and the butt joint part passes through the window to extend out of the front end of the plastic shell.

Furthermore, in the above technical scheme, the contact part of the inner wall of the plastic shell, the outer PP mold and the outer surface of the SR tail part is further fixed by gluing.

After the technical scheme is adopted, compared with the prior art, the utility model has following beneficial effect: the utility model integrally injection-molded PE inner mold at the joint of the wire and the connector, the PE inner mold wraps the wire of the wire, the structure is favorable for high-frequency testing of products, and the product quality is improved; and then integrally injection-molding a PP outer mold outside the connector and the PE inner mold, wherein the PP material and the TPE material can be bonded together after molding, so that the rear end face of the PP outer mold is contacted with the front end face of the SR tail part and is bonded and fixed into a whole, thereby preventing the SR tail part from easily falling off and ensuring the service life of the product.

Description of the drawings:

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

FIG. 2 is a structural diagram of the present invention before the plastic shell is mounted;

fig. 3 is an exploded perspective view of the present invention;

FIG. 4 is a structural diagram of the plastic shell of the present invention;

fig. 5 is a structural diagram of the present invention before the PE inner mold is integrally formed.

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, a front-through plastic-rubber housing fixing structure includes a PE inner mold 3 integrally injection-molded at a connection position of a wire 1 and a connector 2, an SR tail 4 disposed at an end of the wire 1 and made of a TPE material, a PP outer mold 5 integrally injection-molded outside the connector 2 and the PE inner mold 3, and a plastic housing 6 alternately sleeved on a periphery of the PP outer mold 5, wherein a rear end of the plastic housing 6 is further sleeved on a front end portion of the SR tail 4 and is fastened and connected; the rear end face of the PP outer die 5 is contacted with the front end face of the SR tail 4 and is bonded and fixed into a whole. The utility model integrally injection-molded PE inner mold 3 at the joint of the wire 1 and the connector 2, the PE inner mold 3 wraps the wire of the wire 1, the structure is favorable for high-frequency testing of products, and the product quality is improved; and then, a PP outer die 5 is integrally injection-molded outside the connector 2 and the PE inner die 3, and the PP material and the TPE material can be bonded together after molding, so that the rear end face of the PP outer die 5 is contacted with the front end face of the SR tail 4 and is bonded and fixed into a whole, the SR tail 4 is prevented from easily falling off, and the service life of the product is ensured.

The outer surface of the PP outer mold 5 is provided with a plurality of limiting lugs 51, and the limiting lugs 51 are in contact with the inner wall of the plastic shell 6 to form tensioning fixation, so that the assembly stability of the plastic shell 6 is improved.

Spacing lug 51 front end still is provided with the inclined plane to when making this plastic shell 6 locate this PP external mold 5 outside by preceding back cover, this plastic shell 6 inner wall earlier with the inclined plane contact of spacing lug 51 front end, and through the direction on this inclined plane, make this plastic shell 6 quick and smoothly overlap and locate this PP external mold 5 outside, it is more convenient to assemble, and efficiency is higher.

A plurality of limiting clamping protrusions 61 are formed on the inner wall of the front end of the plastic shell 6, and the limiting clamping protrusions 61 are clamped and positioned with the outer surface of the front end of the PP outer mold 5, so that the assembly stability of the plastic shell 6 is further improved.

The inner wall of the rear end of the plastic shell 6 is provided with a limiting groove 62, and the limiting groove 62 is sleeved on the periphery of the SR tail 4 in a clamping manner, so that the plastic shell 6 can be stably connected with the SR tail 4.

The periphery of the front end of the SR tail 4 is provided with an inclined guide surface 41, and the outer surface of the SR tail 4 protrudes out of the outer surface of the PP outer mold 5, so that when the plastic shell 6 is sleeved outside the SR tail 4 from front to back, the inner wall of the plastic shell 6 is firstly contacted with the inclined guide surface 41, and the plastic shell 6 is quickly and smoothly sleeved at the front end of the SR tail 4 through the guide of the inclined guide surface 41, so that the assembly is more convenient, and the efficiency is higher.

The PP outer die 5 is integrally fixed and coated on the periphery of the metal shell 21 of the connector 2, and the assembly structure is more stable.

Metal casing 21 rear end an organic whole connection's metal jacket 22 presss from both sides fixedly with 1 package of wire rod, this metal jacket 22 is pressed from both sides still to the SR afterbody 4 parcel, with this messenger the utility model discloses the structure is more stable.

The connector 2 is a plug connector having a butt-joint portion 23 for butt-joint conduction with a socket; wherein, the front end face of the plastic shell 6 is provided with a window 63, and the abutting portion 23 passes through the window 63 to extend out of the front end of the plastic shell 6.

The contact parts of the inner wall of the plastic shell 6 and the outer surfaces of the PP outer mold 5 and the SR tail 4 are bonded and fixed through glue, so that the assembly structure formed between the plastic shell 6 and the PP outer mold 5 and between the plastic shell and the SR tail 4 is further ensured to be more stable, and the service life is longer.

To sum up, the utility model firstly forms the PE inner mold 3 at the joint of the wire 1 and the connector 2 by integral injection molding, the PE inner mold 3 wraps the wire of the wire 1, and the structure is favorable for high-frequency testing of products and improves the product quality; and then, a PP outer die 5 is integrally injection-molded outside the connector 2 and the PE inner die 3, and the PP material and the TPE material can be bonded together after molding, so that the rear end face of the PP outer die 5 is contacted with the front end face of the SR tail 4 and is bonded and fixed into a whole, the SR tail 4 is prevented from easily falling off, and the service life of the product is ensured.

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. Preceding formula of wearing plastic housing fixed knot constructs, its characterized in that: the wire connector comprises a PE inner die (3) which is integrally formed at the joint of a wire (1) and a connector (2) in an injection molding manner, an SR tail (4) which is arranged at the end part of the wire (1) and is made of TPE material, a PP outer die (5) which is integrally formed outside the connector (2) and the PE inner die (3) in an injection molding manner, and a plastic shell (6) which is inserted and sleeved on the periphery of the PP outer die (5), wherein the rear end of the plastic shell (6) is also sleeved on the front end part of the SR tail (4) and is fixedly connected with the same; the rear end face of the PP outer die (5) is contacted with the front end face of the SR tail part (4) and is bonded and fixed into a whole.

2. The front-through plastic-rubber shell fixing structure according to claim 1, characterized in that: and a plurality of limiting lugs (51) are formed on the outer surface of the PP outer die (5), and are in contact with the inner wall of the plastic shell (6) through the limiting lugs (51) to form tensioning fixation.

3. The front-through plastic-rubber shell fixing structure according to claim 2, characterized in that: the front end of the limiting bump (51) is also provided with an inclined surface.

4. The front-through plastic-rubber shell fixing structure according to claim 2, characterized in that: a plurality of limiting clamping protrusions (61) are formed on the inner wall of the front end of the plastic shell (6), and the limiting clamping protrusions (61) are clamped and positioned with the outer surface of the front end of the PP outer mold (5).

5. The front-through plastic housing fixing structure according to any one of claims 1 to 4, wherein: the inner wall of the rear end of the plastic shell (6) is provided with a limiting groove (62), and the limiting groove (62) is sleeved on the periphery of the SR tail (4) in a clamping mode.

6. The front-through plastic-rubber shell fixing structure according to claim 5, characterized in that: the periphery of the front end of the SR tail (4) is provided with an inclined guide surface (41), and the outer surface of the SR tail (4) protrudes out of the outer surface of the PP outer die (5).

7. The front-through plastic housing fixing structure according to any one of claims 1 to 4, wherein: the PP outer die (5) is integrally fixed and coated on the periphery of the metal shell (21) of the connector (2).

8. The front-through plastic housing fixing structure according to claim 7, wherein: the rear end of the metal shell (21) is integrally connected with a metal jacket (22) and the wire (1) in a clamping mode, and the SR tail portion (4) further wraps the metal jacket (22).

9. The front-through plastic housing fixing structure according to any one of claims 1 to 4, wherein: the connector (2) is a plug connector which is provided with a butting part (23) for butting and conducting with a socket; wherein, the front end face of the plastic shell (6) is provided with a window (63), and the butt joint part (23) passes through the window (63) to extend out of the front end of the plastic shell (6).

10. The front-through plastic housing fixing structure according to any one of claims 1 to 4, wherein: and the contact part of the inner wall of the plastic shell (6) and the outer surfaces of the PP outer mold (5) and the SR tail part (4) is also fixed by gluing.