CN211958131U

CN211958131U - Improvement Type-C plug connector

Info

Publication number: CN211958131U
Application number: CN202020949093.3U
Authority: CN
Inventors: 潘小军; 莫金堂; 李垚; 张建明
Original assignee: Shenzhen Chuangyitong Technology Co Ltd
Current assignee: Shenzhen Chuangyitong Technology Co Ltd
Priority date: 2020-05-29
Filing date: 2020-05-29
Publication date: 2020-11-17
Anticipated expiration: 2030-05-29

Abstract

The utility model discloses an improved Type-C plug connector, which comprises an insulating body, two end submodules, a hook piece and a shielding shell; the front end surface of the insulating body is provided with a slot which is concave backwards; each terminal module comprises an insulating part and a plurality of terminals which are fixedly embedded with the insulating part; the hook member includes a main body portion; the shielding shell is covered outside the insulating body; have joint portion through outwards extending in the main part rear end both sides at clasp piece, two joint portions pass the rear end both sides that the groove of stepping down that corresponds outwards stretched out insulator, it is external at insulator when the shield shell assembly, two joint portions are closely cooperated the contact with shield shell's rear end both sides inner wall respectively and are connected, make clasp piece and shield shell produce hard interference, thereby cause two parts to realize the short circuit, and need not adopt shield shell and ground wire welded mode, make production efficiency improve and manufacturing cost reduce, the stability and the reliability of ground connection have been promoted simultaneously.

Description

Improvement Type-C plug connector

Technical Field

The utility model belongs to the technical field of the connector and specifically relates to indicate an improvement Type-C plug connector.

Background

With the continuous development of electronic technology, the USB is commonly used in electronic products, and the existing USB includes three interface types of Type-A, Type-B and Type-C. The Type-C interface has the characteristics of being thinner, being capable of completing pairing through front-back insertion and the like, and is more suitable for increasingly miniaturized computing equipment.

At present, the shield shell in the existing Type-C plug connector generally adopts welded connection's mode and ground wire conducting connection, adopts such welded mode, causes that the production equipment is troublesome, efficient, with high costs, ground connection stability and reliability are low, and the not good condition of product performance takes place.

Therefore, a new technology needs to be developed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides an improved Type-C plug connector, which can effectively solve the problems of the existing connector, such as troublesome assembly, low efficiency, high cost, and low grounding stability and reliability due to the welding of the shielding shell and the ground wire.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an improved Type-C plug connector comprises an insulating body, two end submodules, a clamping hook piece and a shielding shell;

the front end surface of the insulating body is provided with a slot which is concave backwards, the rear end surface of the insulating body is provided with a mounting groove which is concave forwards, the mounting groove is communicated with the slot, two sides of the rear end of the insulating body are provided with abdicating grooves, and the two abdicating grooves are communicated with the mounting groove;

each terminal module comprises an insulating piece and a plurality of terminals which are embedded, molded and fixed with the insulating piece, the insulating pieces of the two-end sub-modules are vertically overlapped and arranged in the mounting grooves for fixation, and the contact part of each terminal extends into the slot;

the hook piece comprises a main body part, the main body part is clamped between two insulating parts, two sides of the front end of the main body part extend out to form hook parts, the two hook parts extend into an inserting groove, two sides of the rear end of the main body part extend out to form clamping parts, the two clamping parts extend out of two sides of the rear end of the insulating body through corresponding abdicating grooves, two sides of the rear end surface of the main body part extend backwards to form welding parts, and the two welding parts are staggered up and down;

the shielding shell is coated outside the insulating body, and the two clamping parts are respectively in close fit contact with the inner walls of the two sides of the rear end of the shielding shell.

As a preferred embodiment: the upper and lower surfaces of the rear end of the insulating body are provided with buckling holes communicated with the mounting groove, each insulating piece is convexly provided with a buckling part, and the buckling parts are matched with the buckling holes and are fixed through buckles.

As a preferred embodiment: the insulating part is provided with a positioning column and a positioning hole, the main body part is provided with two through holes, and the positioning column penetrates through the corresponding through hole and is inserted into the corresponding positioning hole for fixing.

As a preferred embodiment: a clamping groove is formed between the main body part and the clamping hook part, a convex rib is arranged on the insulating part in an upward protruding mode, and the convex rib is clamped and fixed in the clamping groove.

As a preferred embodiment: the clamping portion is of a right-angle trapezoidal structure, and the edge of the clamping portion, which is in contact with the inner wall of the shielding shell, is an inclined edge.

As a preferred embodiment: the upper surface and the lower surface of the front end of the insulating body are both concavely provided with embedding grooves, each embedding groove is internally provided with an EMI elastic sheet, the front end of the EMI elastic sheet is obliquely bent and extended towards the front lower part to form a plurality of first contacts, the plurality of first contacts are extended into the slots, the rear end of the EMI elastic sheet is obliquely bent and extended towards the rear upper part to form a plurality of second contacts, and the plurality of second contacts are in elastic contact with the inner wall of the shielding shell to be conducted.

Compared with the prior art, the utility model obvious advantage and beneficial effect have, particularly, can know by above-mentioned technical scheme:

have joint portion through outwards extending in the main part rear end both sides at clasp piece, two joint portions pass the rear end both sides that the groove of stepping down that corresponds outwards stretched out insulator, it is external at insulator when the shield shell assembly, two joint portions are closely cooperated the contact with shield shell's rear end both sides inner wall respectively and are connected, make clasp piece and shield shell produce hard interference, thereby cause two parts to realize the short circuit, and need not adopt shield shell and ground wire welded mode, make production efficiency improve and manufacturing cost reduce, the stability and the reliability of ground connection have been promoted simultaneously.

To illustrate the structural features and functions of the present invention more clearly, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

Drawings

FIG. 1 is an assembled perspective view of a preferred embodiment of the present invention;

FIG. 2 is an exploded view of the preferred embodiment of the present invention;

FIG. 3 is a top view of the hook member of the preferred embodiment of the present invention;

fig. 4 is a cross-sectional view of a preferred embodiment of the invention.

The attached drawings indicate the following:

10. insulating body 101, slot

102. Mounting groove 103, abdicating groove

104. Fastening hole 105, embedding groove

20. Terminal module 21 and insulator

211. Positioning post 212 and positioning hole

213. Convex rib 214 and buckle part

22. Terminal 30 and hook member

301. Through hole 302 and clamping groove

31. Main body part 32 and clip part

33. Hook 34 and weld

40. Shielding shell 50 and EMI elastic sheet

51. First contact 52, second contact

60. A circuit board.

Detailed Description

Referring to fig. 1 to 4, the detailed structure of the preferred embodiment of the present invention is shown, which includes an insulating body 10, two terminal modules 20, a hook member 30 and a shielding shell 40.

The front end surface of the insulating body 10 is concavely provided with a slot 101, the rear end surface of the insulating body 10 is concavely provided with a mounting groove 102, the mounting groove 102 is communicated with the slot 101, two sides of the rear end of the insulating body 10 are both provided with a yielding groove 103, and the two yielding grooves 103 are both communicated with the mounting groove 102;

each terminal module 20 comprises an insulating member 21 and a plurality of terminals 22 which are fixed together with the insulating member 21 by insert molding, the insulating members 21 of the two terminal modules 20 are overlapped up and down and are arranged in the mounting groove 102 for fixing, and the contact part of each terminal 22 extends into the slot 101. In this embodiment, the rear end of the insulating body 10 has fastening holes 104 formed on the upper and lower surfaces thereof and communicated with the mounting groove 102, each insulating member 21 has a fastening portion 214 protruding therefrom, and the fastening portion 214 is engaged with the fastening holes 104 for fastening. The two insulators 21 are respectively clamped on the upper surface and the lower surface of the hook member, and are fixed by the matching and buckling of the buckling portion 214 and the buckling hole 104, so that the two insulators 21 and the hook member can be rapidly assembled in the slot 101 of the insulator body 10. In this embodiment, the insulating member 21 is provided with a positioning post 211 and a positioning hole 212.

This hook piece 30 is including main part 31, this main part 31 presss from both sides and locates between two insulating parts 21, the front end both sides of main part 31 extend there are hook portion 33, two hook portion 33 all stretch into slot 101, the rear end both sides of main part 31 outwards extend there are joint portion 32, two joint portion 32 pass corresponding groove 103 of stepping down and outwards stretch out the rear end both sides of insulating body 10, this joint portion 32 is used for cooperating with the socket joint, the rear end face both sides of main part 31 all stretch out backward there is welding part 34, two welding parts 34 misplace from top to bottom, two welding parts 34 respectively with the upper surface and the lower surface conduction connection of circuit board 60. In the present embodiment, the main body 31 has two through holes 301, and the positioning posts 211 are inserted into the corresponding positioning holes 212 through the corresponding through holes 301 for fixing. A slot 302 is formed between the main body 31 and the hook 33, a rib 213 is protruded from the insulating member 21, and the rib 213 is fixed in the slot 302. Further, the clamping portion 32 is in a right-angled trapezoid structure.

The shielding shell 40 is wrapped outside the insulating body 10, and the two clamping portions 32 are respectively in close fit contact with the inner walls of the two sides of the rear end of the shielding shell 40. Further, the edge of the inner wall of the shielding shell 40 is a bevel edge, and the edge of the clamping portion 32 contacting with the inside of the shielding shell 40 is a bevel edge, so that the clamping hook portion 33 can be conveniently inserted into the shielding shell 40.

This EMI shell fragment 50 sets up in insulator 10, the upper and lower surface of the front end of aforementioned insulator 10 all is concavely equipped with embedding groove 105, all inlays in each embedding groove 105 and is equipped with EMI shell fragment 50, the front end of this EMI shell fragment 50 is to the lower slope bending extension of front side have a plurality of first contacts 51, these a plurality of first contacts 51 stretch into in the slot 101, this first contact 51 and outside socket connector joint cooperation, the rear end of EMI shell fragment 50 is to the upper slope bending extension of back side have a plurality of second contacts 52, these a plurality of second contacts 52 and shielding shell 40's inner wall elastic contact switch on to play the shielding effect.

Detailed description the assembly process of this embodiment is as follows:

firstly, the insulating body 10 is injection molded, then the terminals 22 and the insulating pieces 21 are molded and fixed together to form the terminal module 20, then the positioning columns 211 on the insulating pieces 21 of the terminal module 20 respectively penetrate through the corresponding through holes 301 from the upper and lower surfaces of the hook pieces 30 and are clamped in the corresponding positioning holes 212, then the two insulating pieces 21 and the hook pieces 30 are installed in the installation grooves 102, meanwhile, the buckling parts 214 and the buckling holes 104 are matched and buckled and fixed, then the two EMI elastic pieces 50 are respectively installed in the embedding grooves 105 on the upper and lower surfaces of the insulating body 10, finally, the shielding shell 40 is sleeved on the outer side of the insulating body 10, and the buckling parts 32 on the hook pieces 30 are in contact with and in conductive connection with the inside of the shielding shell 40. In use, the soldering portion 34 of the hook member 30 and the soldering leg at the rear end of each terminal 22 are soldered to the circuit board 60, and the hook member 30 is grounded and the shielding shell 40 is grounded.

The utility model discloses a design focus lies in:

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.

Claims

1. The utility model provides an improvement Type-C plug connector which characterized in that: the circuit comprises an insulating body, two end submodules, a hook piece and a shielding shell;

2. An improved Type-C plug connector according to claim 1, characterized in that: the upper and lower surfaces of the rear end of the insulating body are provided with buckling holes communicated with the mounting groove, each insulating piece is convexly provided with a buckling part, and the buckling parts are matched with the buckling holes and are fixed through buckles.

3. An improved Type-C plug connector according to claim 1, characterized in that: the insulating part is provided with a positioning column and a positioning hole, the main body part is provided with two through holes, and the positioning column penetrates through the corresponding through hole and is inserted into the corresponding positioning hole for fixing.

4. An improved Type-C plug connector according to claim 1, characterized in that: a clamping groove is formed between the main body part and the clamping hook part, a convex rib is arranged on the insulating part in an upward protruding mode, and the convex rib is clamped and fixed in the clamping groove.

5. An improved Type-C plug connector according to claim 1, characterized in that: the clamping portion is of a right-angle trapezoidal structure, and the edge of the clamping portion, which is in contact with the inner wall of the shielding shell, is an inclined edge.

6. An improved Type-C plug connector according to claim 1, characterized in that: the upper surface and the lower surface of the front end of the insulating body are both concavely provided with embedding grooves, each embedding groove is internally provided with an EMI elastic sheet, the front end of the EMI elastic sheet is obliquely bent and extended towards the front lower part to form a plurality of first contacts, the plurality of first contacts are extended into the slots, the rear end of the EMI elastic sheet is obliquely bent and extended towards the rear upper part to form a plurality of second contacts, and the plurality of second contacts are in elastic contact with the inner wall of the shielding shell to be conducted.