CN212542751U

CN212542751U - USB TYPE A connector capable of bearing large current and realizing quick charging at high power

Info

Publication number: CN212542751U
Application number: CN202021433727.6U
Authority: CN
Inventors: 韩林; 陈才华; 肖萍招
Original assignee: Ji'an Lianji Electronic Co ltd
Current assignee: Ji'an Lianji Electronic Co ltd
Priority date: 2020-07-20
Filing date: 2020-07-20
Publication date: 2021-02-12
Anticipated expiration: 2030-07-20

Abstract

The utility model discloses a USB TYPE A connector which can bear large current, has high power and realizes quick charging, comprising an insulating body, a terminal group, a shielding shell, a dustproof cover and a bottom cover; the insulating body comprises a base and a tongue plate extending forwards from the base; the terminal group comprises a GND terminal, a Vbus terminal, a D + terminal, a D-terminal and an ID terminal, and the cross sectional areas of the GND terminal and the Vbus terminal are larger than those of other terminals. This product is through the cross-sectional area of increase GND terminal and Vbus terminal, effectively strengthens the current carrying capacity of terminal group, makes can work under great current environment of this product to do benefit to high-power quick charge, satisfy customer's user demand better, simultaneously through setting up the ID terminal, utilize the ID terminal to be responsible for the signal and listen, in order to guarantee safety to the plug-in heavy current of retransmission after target in place when listening public head.

Description

USB TYPE A connector capable of bearing large current and realizing quick charging at high power

Technical Field

The utility model belongs to the technical field of the connector technique and specifically relates to indicate a USB TYPE A connector that can bear heavy current high-power realization quick charge.

Background

USB (Universal Serial Bus) is a new interface technology applied in the field of computers. The USB interface has the characteristics of higher transmission speed, hot plugging support and connection of a plurality of devices. Have been widely adopted in various types of external devices.

At present, mobile phones on the market have more and more abundant functions and power consumption is increased, so that the battery capacity of the mobile phones is larger and larger, and users need to spend longer time to fully charge the mobile phones; although the traditional USB connector can meet daily use, the current that can bear is little, and power is little, can not give the cell-phone quick charge. Therefore, it is necessary to develop a new solution to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a USB TYPE a connector capable of carrying a large current and realizing fast charging with high power, which can effectively solve the problem that the current USB connector can carry a small current, has low power and cannot fast charge.

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

a USB TYPE A connector capable of bearing large current and realizing high power and quick charging comprises an insulating body, a terminal group, a shielding shell, a dust cover and a bottom cover; the insulating body comprises a base and a tongue plate extending forwards from the base; the terminal group comprises a GND terminal, a Vbus terminal, a D + terminal, a D-terminal and an ID terminal, each terminal is fixed on the insulating body in an embedding and forming mode, a contact part of each terminal is exposed out of the surface of the tongue plate, a welding part of each terminal extends out of the base, and the cross sectional areas of the GND terminal and the Vbus terminal are larger than those of other terminals; the shielding shell is coated outside the insulating body, an insertion cavity is formed between the inner wall of the shielding shell and the outer wall of the tongue plate, and the bottom of the shielding shell is provided with an installation cavity; the dustproof cover covers the shielding shell; the bottom cover is fixed in the installation cavity.

As a preferable scheme, clamping blocks are convexly arranged on two sides of the base, clamping grooves are formed in the rear edges of the two sides of the shielding shell, and the clamping blocks are clamped in the clamping grooves to be fixed.

As a preferable scheme, a buckling groove is concavely arranged on the top surface of the base, a buckling piece is extended by punching and bending the top surface of the shielding shell downwards, and the buckling piece is buckled in the buckling groove for fixing.

As a preferable scheme, the two buckling grooves are arranged on the left side and the right side, correspondingly, the two buckling pieces are arranged on the left side and the right side, and the two buckling pieces are respectively buckled in the corresponding frontal buckling grooves for fixing.

As a preferable scheme, rear fixing legs extend downwards from the rear ends of the two sides of the shielding shell, front fixing legs extend backwards from the two sides of the front end of the shielding shell, the upper ends of the front fixing legs are overlapped on the outer side surface of the shielding shell, the lower ends of the front fixing legs extend downwards from the bottom surface of the shielding shell, and the two front fixing legs and the two rear fixing legs form the installation cavity in a surrounding manner.

As a preferred scheme, the outer side surface of the front fixing foot is concavely provided with a buckling position, the inner wall of the dustproof cover is convexly provided with a convex buckle, and the convex buckle is matched with the buckling position to be buckled.

As a preferred scheme, the shield cover is assembled on the shielding shell from top to bottom, the inner wall of the shield cover is convexly provided with a limiting part, and the limiting part is abutted against the rear side face of the front fixing foot.

As a preferred scheme, the bottom surface of the shielding shell is punched to form an elastic sheet, the elastic sheet extends into the insertion cavity, the surface of the bottom cover is concavely provided with a yielding groove, and the yielding groove is located under the elastic sheet.

Preferably, the GND terminal and the Vbus terminal are both made of high-conductivity materials.

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

this product is through the cross-sectional area of increase GND terminal and Vbus terminal, effectively strengthens the current carrying capacity of terminal group, makes can work under great current environment of this product to do benefit to high-power quick charge, satisfy customer's user demand better, simultaneously through setting up the ID terminal, utilize the ID terminal to be responsible for the signal and listen, in order to guarantee safety to the plug-in heavy current of retransmission after target in place when listening public head.

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 a perspective view of a preferred embodiment of the present invention;

FIG. 2 is a partial schematic view of a preferred embodiment of the present invention;

fig. 3 is an exploded view of the preferred embodiment of the present invention.

The attached drawings indicate the following:

10. insulating body 101, fixture block

102. Catching groove 11 and base

12. Tongue plate 20 and terminal set

201. Contact 202, solder part

21. GND terminal 22, Vbus terminal

23. D + terminal 24, D-terminal

25. ID terminal 30 and shield case

301. Insertion cavity 302 and installation cavity

31. Rear fixing foot 32 and front fixing foot

33. Fastening position 34, spring plate

35. Clamping groove 36 and fastening piece

40. Dust cover 41, convex buckle

42. Limiting part 50 and bottom cover

51. A yielding groove.

Detailed Description

Referring to fig. 1 to 3, a specific structure of a preferred embodiment of the present invention is shown, which includes an insulating body 10, a terminal set 20, a shielding shell 30, a dust cap 40 and a bottom cover 50.

The insulation body 10 comprises a base 11 and a tongue plate 12 extending forwards on the base 11; in this embodiment, two sides of the base 11 are convexly provided with a latch 101, a top surface of the base 11 is concavely provided with a fastening groove 102, and the fastening grooves 102 are arranged left and right.

The terminal group 20 comprises a GND terminal 21, a Vbus terminal 22, a D + terminal 23, a D-terminal 24 and an ID terminal 25, each terminal is fixed on the insulating body 10 in an insert molding manner, a contact portion 201 of each terminal is exposed on the surface of the tongue plate 12, a welding portion 202 of each terminal extends out of the base 11, the cross sectional areas of the GND terminal 21 and the Vbus terminal 22 are larger than those of other terminals, and the GND terminal 21 and the Vbus terminal 22 are made of high-conductivity materials, so that safety and stability of a product when carrying large current are guaranteed.

The shielding shell 30 is covered outside the insulating body 10, an insertion cavity 301 is formed between the inner wall of the shielding shell 30 and the outer wall of the tongue plate 12, and the bottom of the shielding shell 30 is provided with an installation cavity 302; in this embodiment, rear fixing legs 31 extend downward from both sides of the shielding shell 30, front fixing legs 32 extend backward from both sides of the front end of the shielding shell 30, the upper ends of the front fixing legs 32 are overlapped on the outer side surface of the shielding shell 30, the lower ends of the front fixing legs 32 extend downward from the bottom surface of the shielding shell 30, and the two front fixing legs 32 and the two rear fixing legs 31 form the installation cavity 302; the outer side surface of the front fixing foot 32 is concavely provided with a buckling position 33; the bottom surface of the shielding shell 30 is punched to form a spring sheet 34, the spring sheet 34 extends into the insertion cavity 301, the rear edges of the two sides of the shielding shell 30 are provided with clamping grooves 35, and the clamping blocks 101 are clamped and fixed in the clamping grooves 35. The top surface of the shielding shell 30 is punched, bent downwards and extended with a buckling piece 36, the buckling pieces 36 are buckled in the buckling grooves 102 for fixing, the buckling pieces 36 are arranged at the left and the right, and the two buckling pieces 36 are buckled in the corresponding buckling grooves 102 for fixing respectively.

The dust cover 40 covers the shielding shell 30 to prevent dust from entering the shielding shell 30; a convex buckle 41 is convexly arranged on the inner wall of the dustproof cover 40, and the convex buckle 41 is matched and buckled with the buckle position 33; the dust cover 40 is assembled on the shielding shell 30 from top to bottom, the inner wall of the dust cover 30 is convexly provided with a limiting part 42, and the limiting part 42 is abutted against the rear side surface of the front fixing foot 32.

The bottom cover 50 is fixed in the installation cavity 302 to prevent foreign matters from entering the insertion cavity 301, the surface of the bottom cover 50 is concavely provided with a yielding groove 51, and the yielding groove 51 is positioned under the elastic sheet 34.

Detailed description the installation method of this embodiment is as follows:

firstly, integrally punching and forming the terminal group 20; then, the terminal group 20 is placed into an injection mold to form the insulation body 10; then, the tongue plate 12 of the insulating body 10 is inserted into the shield case 30 and fixed; finally, the bottom cover 50 is fixed in the mounting cavity 302, and the dust cap 40 is sleeved outside the shielding shell 30 from top to bottom, thereby completing the mounting.

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 a can bear high-power USB TYPE A connector who realizes quick charge of heavy current which characterized in that: the terminal group comprises an insulating body, a terminal group, a shielding shell, a dust cover and a bottom cover; the insulating body comprises a base and a tongue plate extending forwards from the base; the terminal group comprises a GND terminal, a Vbus terminal, a D + terminal, a D-terminal and an ID terminal, each terminal is fixed on the insulating body in an embedding and forming mode, a contact part of each terminal is exposed out of the surface of the tongue plate, a welding part of each terminal extends out of the base, and the cross sectional areas of the GND terminal and the Vbus terminal are larger than those of other terminals; the shielding shell is coated outside the insulating body, an insertion cavity is formed between the inner wall of the shielding shell and the outer wall of the tongue plate, and the bottom of the shielding shell is provided with an installation cavity; the dustproof cover covers the shielding shell; the bottom cover is fixed in the installation cavity.

2. The USB TYPE A connector capable of carrying large current and realizing high power and rapid charging according to claim 1, wherein: clamping blocks are convexly arranged on two sides of the base, clamping grooves are formed in the rear edges of the two sides of the shielding shell, and the clamping blocks are clamped in the clamping grooves and fixed.

3. The USB TYPE A connector capable of carrying large current and realizing high power and rapid charging according to claim 1, wherein: the top surface of the base is concavely provided with a buckling groove, the top surface of the shielding shell is punched, bent downwards and extended with a buckling piece, and the buckling piece is buckled and fixed in the buckling groove.

4. The USB TYPE A connector capable of carrying large current and realizing high power and rapid charging according to claim 3, characterized in that: the catching grooves are arranged on the left side and the right side, correspondingly, the catching pieces are arranged on the left side and the right side, and the two catching pieces are respectively buckled in the corresponding catching grooves to be fixed.

5. The USB TYPE A connector capable of carrying large current and realizing high power and rapid charging according to claim 1, wherein: rear fixing feet extend downwards from the rear ends of the two sides of the shielding shell, front fixing feet extend backwards from the two sides of the front end of the shielding shell in a reverse bending mode, the upper ends of the front fixing feet are overlapped on the outer side face of the shielding shell, the lower ends of the front fixing feet extend downwards out of the bottom face of the shielding shell, and the two front fixing feet and the two rear fixing feet form the installation cavity in a surrounding mode.

6. The USB TYPE A connector capable of carrying large current and realizing high power and rapid charging according to claim 5, wherein: the outer side surface of the front fixing foot is concavely provided with a buckling position, the inner wall of the dustproof cover is convexly provided with a convex buckle, and the convex buckle is matched with the buckling position to be buckled.

7. The USB TYPE A connector capable of carrying large current and realizing high power and rapid charging according to claim 5, wherein: the dustproof cover is assembled on the shielding shell from top to bottom, a limiting portion is convexly arranged on the inner wall of the dustproof cover, and the limiting portion abuts against the rear side face of the front fixing foot.

8. The USB TYPE A connector capable of carrying large current and realizing high power and rapid charging according to claim 1, wherein: the bottom surface of the shielding shell is punched to form an elastic sheet, the elastic sheet extends into the insertion cavity, the surface of the bottom cover is concavely provided with a yielding groove, and the yielding groove is located under the elastic sheet.

9. The USB TYPE A connector capable of carrying large current and realizing high power and rapid charging according to claim 1, wherein: the GND terminal and the Vbus terminal are both high conductivity materials.