CN223194074U - Stable sinking plate Type-C connector - Google Patents

Abstract

The utility model discloses a stable sunken plate type Type-C connector, comprising an insulating body, a shielding shell, an upper row of terminals, a lower row of terminals and a middle clip; the shielding shell is covered on the insulating body, and the shielding shell is formed by stamping and riveting; the upper row of terminals, the lower row of terminals and the middle clip are all arranged on the insulating body, the upper row of terminals has an upper grounding terminal and an upper power terminal, the lower row of terminals has a lower grounding terminal and a lower power terminal, and the middle clip is located between the upper row of terminals and the lower row of terminals; a plurality of welding points are formed by fixedly connecting by spot welding at the riveted joints of the shielding shell, so as to effectively avoid the phenomenon of upper and lower misalignment and separation at the riveted joints, thereby making the overall structure of the product more stable, and at the same time, the middle clip is designed to be two separately arranged on the left and right, and each middle clip is staggered and separated from the corresponding power terminal to prevent short circuit, thereby effectively improving the stability and reliability of the product.

Description

Stable sinking plate Type-C connector

Technical Field

The utility model relates to the technical field of electric connectors, in particular to a stable sinking plate Type-C connector.

Background

Type-C is a USB interface appearance standard, has a smaller volume than both Type-A and Type-B, and can be applied to interface types of PC (host device) and external device (slave device such as mobile phone). USB Type-C has 4 pairs of TX/RX branches, 2 pairs of USBD+/D-, a pair of SBUs, 2 CCs, and 4 VBUS and 4 ground wires.

The prior Type-C connector mainly comprises an insulating body, a shielding shell, an upper row of terminals, a lower row of terminals and a middle clamping piece, wherein the shielding shell is coated outside the insulating body and is formed by stamping and riveting, the upper row of terminals, the lower row of terminals and the middle clamping piece are all arranged on the insulating body, the upper row of terminals are provided with an upper grounding terminal and an upper power terminal, the lower row of terminals are provided with a lower grounding terminal and a lower power terminal, and the middle clamping piece is positioned between the upper row of terminals and the lower row of terminals.

In the prior art, the riveting connection part of the shielding shell is generally riveted from top to bottom on the left side and the right side, and the phenomenon of dislocation separation from top to bottom easily occurs, so that the whole structure is unstable, the middle clamping piece of the Type-C connector is generally of a single-piece structure, the area of the middle clamping piece is larger, each terminal is covered, short circuit connection is easy to occur with each power terminal, and the stability and the reliability of the Type-C connector are poor. Accordingly, there is a need for an improvement over current Type-C connectors.

Disclosure of utility model

In view of the above, the present utility model aims at overcoming the drawbacks of the prior art, and its primary objective is to provide a stable Type-C connector, which can effectively solve the problems of unstable overall structure and poor stability and reliability of the existing Type-C connector.

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

A stable sinking plate Type-C connector comprises an insulating body, a shielding shell, an upper row of terminals, a lower row of terminals and middle clamping pieces, wherein the shielding shell is coated outside the insulating body and is formed by stamping and riveting, the upper row of terminals, the lower row of terminals and the middle clamping pieces are arranged on the insulating body, the upper row of terminals are provided with upper grounding terminals and upper power terminals, the lower row of terminals are provided with lower grounding terminals and lower power terminals, the middle clamping pieces are arranged between the upper row of terminals and the lower row of terminals, a plurality of welding spots are formed at riveting and splicing positions of the shielding shell through fixed connection of spot welding, the welding spots are arranged in a staggered mode in a front-back interval mode and left-right mode, the middle clamping pieces are arranged in a left-right separated mode, each middle clamping piece is arranged between the corresponding upper grounding terminal and the corresponding lower grounding terminal, and each middle clamping piece is arranged in a left-right staggered mode and separated from the corresponding upper power terminal and the corresponding lower power terminal.

As a preferable scheme, the left side and the right side of the shielding shell are punched and bent to form a front fixing leg and a rear fixing leg, the front fixing leg and the rear fixing leg are arranged at intervals front and back, and the front fixing leg and the rear fixing leg are bent and extended outwards at the upper middle position and the lower middle position of the side face of the shielding shell.

As a preferable scheme, the front fixing foot and the rear fixing foot are in an inverted L shape, and the width of the front fixing foot is larger than that of the rear fixing foot.

As a preferable scheme, a slotted hole is formed in the middle of the bending connection position of the front fixing pin, the slotted hole is in an inverted L shape, the slotted hole penetrates through the inner side surface and the outer side surface of the front fixing pin, and the slotted hole can be used for containing solder paste so as to better fix the front fixing pin on a circuit board.

As a preferred scheme, the insulator comprises an outer insulator, an upper insulator and a lower insulator, wherein the upper insulator and the lower insulator are fixed in an up-down splicing way and are fixed in the outer insulator in an embedded forming way, the upper row of terminals are fixed together with the upper insulator in an embedded forming way, and the lower row of terminals and the middle clamping piece are fixed together with the lower insulator in an embedded forming way, so that the structure is simple.

As a preferable scheme, the upper surface of the lower insulating part is concavely provided with two left and right arranged positioning holes, the lower surface of the upper insulating part is extended with two left and right arranged positioning columns, and the positioning columns are inserted into the positioning holes for positioning, so that the assembly is convenient.

As a preferable scheme, the upper and lower surfaces of the middle clamping piece are penetrated and formed with a front through hole and a rear through hole, and the front through hole and the rear through hole are arranged front and back and are buried in the insulating body, so that the middle clamping piece is firmly and reliably combined with the insulating body.

Compared with the prior art, the utility model has obvious advantages and beneficial effects, and in particular, the technical scheme can be as follows:

The riveting splice of the shielding shell is fixedly connected through spot welding to form a plurality of welding spots, so that the phenomenon that the riveting splice is separated up and down is effectively avoided, the integral structure of the product is more stable, the middle clamping pieces are designed to be two left and right separated devices, the middle clamping pieces are staggered and separated from the corresponding power terminals, the short circuit phenomenon is avoided, and the stability and the reliability of the product can be effectively improved.

In order to more clearly illustrate the structural features and efficacy of the present utility model, the present utility model will be described in detail below with reference to the accompanying drawings and examples.

Drawings

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

FIG. 2 is an assembled perspective view of another angle of the preferred embodiment of the present utility model;

FIG. 3 is an exploded view of a preferred embodiment of the present utility model;

FIG. 4 is an exploded view of another angle of the preferred embodiment of the present utility model;

FIG. 5 is a partially assembled schematic illustration of a preferred embodiment of the present utility model.

The attached drawings are used for identifying and describing:

10. Insulation body 11, outer insulation member

111. Base 112 and tongue plate

12. Upper insulator 13, lower insulator

101. Riveting hole 102, positioning hole

103. Positioning column 20 and shielding shell

21. Welding spot 22, front fixing foot

23. Rear fixing leg 24 and riveting piece

201. Slot 30, upper row terminal

31. Upper ground terminal 32, upper power supply terminal

301. Welded part 40, lower row terminal

41. Lower ground terminal 42, lower power supply terminal

401. Welding part 50, middle clip

51. Front through hole 52, rear through hole

60. A circuit board.

Detailed Description

Referring to fig. 1 to 5, a specific structure of a preferred embodiment of the present utility model is shown, which includes an insulation body 10, a shielding shell 20, an upper row of terminals 30, a lower row of terminals 40 and a middle clip 50.

The insulation body 10 comprises an outer insulation piece 11, an upper insulation piece 12 and a lower insulation piece 13, wherein the outer insulation piece 11 comprises a base 111 and a tongue plate 112 which is integrally and forwards extended on the base 111, two riveting holes 101 are concavely formed in the top of the base 111, the two riveting holes 101 are arranged at left and right intervals, the upper insulation piece 12 and the lower insulation piece 13 are fixedly spliced up and down and fixedly inlaid in the outer insulation piece 11, two positioning holes 102 which are arranged left and right are concavely formed in the upper surface of the lower insulation piece 13, two positioning columns 103 which are arranged left and right extend out of the lower surface of the upper insulation piece 12, and the positioning columns 103 are inserted into the positioning holes 102 for positioning, so that the insulation body is simple in structure and convenient to assemble.

The shielding shell 20 is coated outside the insulating body 10, the shielding shell 20 is formed by punching and riveting, and a plurality of welding spots 21 are formed at the riveting and splicing position of the shielding shell 20 by spot welding and fixedly connected, and the welding spots 21 are arranged in a staggered mode at intervals from front to back and left to right, so that the shielding shell 20 is stable in structure. In this embodiment, the left and right sides of the shielding shell 20 are punched and bent to form a front fixing leg 22 and a rear fixing leg 23, the front fixing leg 22 and the rear fixing leg 23 are arranged at intervals in front and back, and the front fixing leg 22 and the rear fixing leg 23 are bent and extended outwards at the upper and lower middle positions of the side surface of the shielding shell 20, so as to realize a panel-sinking type installation on the circuit board 60. And, this front fixed foot 22 and back fixed foot 23 all are the shape of falling L, and the width of front fixed foot 22 is greater than the width of back fixed foot 23, simple structure, and intensity is good, simple to operate. In addition, a slot 201 is formed in the middle of the bending connection position of the front fixing leg 22, the slot 201 is in an inverted L shape, the slot 201 penetrates through the inner side surface and the outer side surface of the front fixing leg 22, and the slot 201 can be used for containing solder paste so as to better fix the front fixing leg 22 on the circuit board 60. In addition, the top edge of the rear side of the shielding shell 20 is bent downwards and extends to form two riveting pieces 24, and the two riveting pieces 24 are respectively riveted and fixed with the two riveting holes 101.

The upper row of terminals 30, the lower row of terminals 40 and the middle clip 50 are all provided on the insulating body 10, the upper row of terminals 30 having upper ground terminals 31 and upper power terminals 32, and the lower row of terminals 40 having lower ground terminals 41 and lower power terminals 42. In this embodiment, the number of terminals of the upper row of terminals 30 and the lower row of terminals 40 is 8PIN, so that a 16PIN structure is formed to meet the use requirement, and at the same time, the upper ground terminal 31, the upper power terminal 32, the lower ground terminal 41 and the lower power terminal 42 are two symmetrically arranged. And, the respective soldering portions 301 of the upper row of terminals 30 and the respective soldering portions 401 of the lower row of terminals 40 are arranged in a row and horizontally protrude rearward out of the base 111 so as to achieve SMT soldering fixation on the circuit board 60. In addition, the upper row of terminals 30 and the upper insulator 12 are fixed together by insert molding, and the lower row of terminals 40 and the lower insulator 13 are fixed together by insert molding, so that the structure is simple and the assembly is convenient.

The middle clamping pieces 50 are located between the upper row of terminals 30 and the lower row of terminals 40, the middle clamping pieces 50 are two, which are arranged left and right separately, each middle clamping piece 50 is located between the corresponding upper grounding terminal 31 and the corresponding lower grounding terminal 41, and each middle clamping piece 50 is arranged left and right in a staggered and separated mode from the corresponding upper power terminal 32 and the corresponding lower power terminal 42. In this embodiment, the middle clip 50 and the lower insulator 13 are insert-molded and fixed together, which is convenient for assembly. And, the upper and lower surfaces of the middle clip 50 are penetratively formed with a front through hole 51 and a rear through hole 52, and the front through hole 51 and the rear through hole 52 are arranged in front and rear and are buried in the insulating body 10, so that the middle clip 50 is firmly and reliably combined with the insulating body 10.

The assembly process of this embodiment is described in detail as follows:

First, the upper row terminal 30, the lower row terminal 40 and the middle clip 50 are press-molded, and the shield shell 20 is prepared, then, the upper row terminal 30 is placed in a first injection mold, the lower row terminal 40 and the middle clip 50 are placed in a second injection mold to respectively injection mold the upper insulator 12 and the lower insulator 13, then, the upper insulator 12 and the lower insulator 13 are fixed together in an up-down combination manner and placed in a third injection mold to injection mold the outer insulator 11, and finally, the shield shell 20 is covered on the insulator body 10.

The utility model has the design key that a plurality of welding spots are formed at the riveting and splicing positions of the shielding shell through spot welding and fixed connection, so that the phenomenon of vertical dislocation and separation at the riveting and splicing positions is effectively avoided, the integral structure of the product is more stable, meanwhile, the middle clamping pieces are designed to be two in left and right separation arrangement, each middle clamping piece and the corresponding power supply terminal are staggered and separated, the phenomenon of short circuit is avoided, and the stability and the reliability of the product can be effectively improved.

The foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the technical scope of the present utility model, so any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical principles of the present utility model are still within the scope of the technical solutions of the present utility model.

Claims (7)

1. A stable sinking plate Type-C connector is characterized in that a plurality of welding spots are formed at riveting joints of the shielding shell through spot welding fixed connection, the welding spots are arranged in a front-back interval and left-right staggered mode, the middle clamping pieces are arranged in a left-right separated mode, each middle clamping piece is respectively located between the corresponding upper grounding terminal and the corresponding lower grounding terminal, and each middle clamping piece is respectively arranged in a left-right staggered mode and separated from the corresponding upper power terminal and the corresponding lower power terminal.

2. The stable sinking plate Type-C connector of claim 1, wherein the shielding shell is characterized in that front fixing legs and rear fixing legs are punched and bent at the left side and the right side of the shielding shell, the front fixing legs and the rear fixing legs are arranged at intervals front and back, and the front fixing legs and the rear fixing legs are bent and extended outwards at the upper middle position and the lower middle position of the side face of the shielding shell.

3. The stabilized Type-C connector of claim 2 wherein the front and rear legs are inverted L-shaped with the front leg being wider than the rear leg.

4. The stable sinking plate Type-C connector of claim 3, wherein the middle of the bending joint of the front fixing leg is provided with a slot, the slot is in an inverted L shape, and the slot penetrates through the inner side surface and the outer side surface of the front fixing leg.

5. The stable sinking plate Type-C connector of claim 1, wherein the insulating body comprises an outer insulating member, an upper insulating member and a lower insulating member, the upper insulating member and the lower insulating member are fixedly spliced up and down and are fixedly inlaid in the outer insulating member, the upper row of terminals are fixedly inlaid in the upper insulating member, and the lower row of terminals and the middle clamping piece are fixedly inlaid in the lower insulating member.

6. The stable sinking plate Type-C connector of claim 5, wherein the upper surface of the lower insulating member is concavely provided with two left and right arranged positioning holes, and the lower surface of the upper insulating member is extended with two left and right arranged positioning columns, and the positioning columns are inserted into the positioning holes for positioning.

7. The stable sinking plate Type-C connector of claim 1, wherein the upper and lower surfaces of the middle clamping piece are formed with front and rear through holes, which are arranged front and back and are buried in the insulating body.