CN210272883U

CN210272883U - Connector with stable and reliable welding

Info

Publication number: CN210272883U
Application number: CN201921288630.8U
Authority: CN
Inventors: 张勋
Original assignee: Dongguan City Fu Zhida Electronic Technology Co ltd
Current assignee: Dongguan City Fu Zhida Electronic Technology Co ltd
Priority date: 2019-08-09
Filing date: 2019-08-09
Publication date: 2020-04-07
Anticipated expiration: 2029-08-09

Abstract

The utility model discloses a connector with stable and reliable welding, which comprises an insulating body, a terminal group, a circuit board, a shielding shell, a lower protective cover and an upper protective cover; the terminal group comprises a first terminal and a second terminal, and the terminal group is embedded in the insulating body; the circuit board is clamped and fixed in the mounting groove, and the rear end of the terminal group is in conductive connection with the circuit board; the circuit board is arranged on the mounting arm, so that the circuit board cannot swing in the vertical direction, and is isolated from being in contact with the lower protective cover and the upper protective cover, and short circuit is prevented; simultaneously, the end of this installation arm has a trip, and this trip encloses with insulator's the back and constitutes the mounting groove for circuit board installed in the mounting groove can not be at the fore-and-aft side rebound, and what the circuit board can stabilize fixes the rear end at insulator, effectual improvement terminal group and circuit board welded stability, the quality that promotes the connector and user's use impression.

Description

Connector with stable and reliable welding

Technical Field

The utility model belongs to the technical field of the connector technique and specifically relates to indicate a welding reliable and stable connector.

Background

The housing of the conventional micro plug electrical connector has two insertion frame ports, which can be inserted into the two frame ports of the housing of the micro socket electrical connector, and can transmit signals of USB3.0 and USB2.0, respectively. However, the micro plug electrical connector with the dual-plug frame opening lacks a structure for fixing the circuit board, especially when the terminal of the terminal group is welded with the conduction terminal on the circuit board, because the positioning of the circuit board is inaccurate, the welding position between the terminal of the terminal group and the conduction terminal on the circuit board is dislocated, the whole connector cannot be used, or the short circuit of electrical components is caused, meanwhile, due to the lack of the fixing structure of the circuit board, the circuit board is loosened in daily use, the occurrence of the desoldering condition of the welded connector can be caused, the quality of the connector is seriously affected, and the use feeling of a user are affected.

Therefore, in the present patent application, the applicant has elaborately studied a connector with stable and reliable welding to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention is directed to the deficiency of the prior art, and the main objective of the present invention is to provide a connector with stable and reliable soldering, which can effectively solve the problem of unstable soldering between the terminal set and the circuit board in the prior art.

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

a connector with stable and reliable welding comprises an insulating body, a terminal group, a circuit board, a shielding shell, a lower protective cover and an upper protective cover; the insulating body is integrally formed by injection molding, a first tongue plate and a second tongue plate are arranged on the insulating body, an installation arm extends backwards from the insulating body, a clamping hook is arranged at the tail end of the installation arm, and the clamping hook and the back of the insulating body are surrounded to form an installation groove; the terminal group comprises a first terminal and a second terminal, the terminal group is embedded in the insulating body, the first terminal is embedded in the first tongue plate, the second terminal is embedded in the second tongue plate, and the rear end of the terminal group is exposed out of the rear part of the insulating body; the circuit board is clamped and fixed in the mounting groove, and the rear end of the terminal group is in conductive connection with the circuit board; the shielding shell is clamped on the outer side face of the insulating body, a first mounting cavity and a second mounting cavity which are mutually independent are arranged in the shielding shell, the first tongue plate is mounted in the first mounting cavity, and the second tongue plate is mounted in the second mounting cavity; the lower protective cover is internally provided with a mounting groove in a surrounding manner, the insulation body is mounted in the mounting groove, the lower protective cover is convexly provided with a front stop block and a rear stop block, and the insulation body is clamped between the front stop block and the rear stop block; the upper protection cover is arranged above the lower protection cover, the insulation body and the circuit board are arranged between the upper protection cover and the lower protection cover, and the lower protection cover and the upper protection cover are assembled together in a clamping mode.

As a preferred embodiment: the upper surface and the lower surface of the insulating body are convexly provided with first clamping convex blocks, the shielding shell is provided with a first mounting hole matched with the first clamping convex blocks, and the first clamping convex blocks are clamped in the first mounting hole.

As a preferred embodiment: the left side surface and the right side surface of the shielding shell extend backwards to be provided with mounting pieces, the left side surface and the right side surface of the insulating body are concavely provided with sliding grooves matched with the mounting pieces, and the mounting pieces are assembled in the sliding grooves in a sliding mode.

As a preferred embodiment: the side surface of the lower protective cover is convexly provided with a second clamping convex block, the upper protective cover is provided with a second mounting hole matched with the second clamping convex block, and the second clamping convex block is clamped in the second mounting hole.

As a preferred embodiment: the upper surface of the circuit board is provided with a conduction terminal, and the tail end of the terminal group is welded on the upper surface of the conduction terminal and is in conduction connection with the conduction terminal.

As a preferred embodiment: and a cable fixing piece is arranged at the tail end of the upper protective cover.

As a preferred embodiment: the number of the mounting arms is two.

As a preferred embodiment: the upper surface of circuit board has a LED breathing lamp, and what aforementioned go up the visor is equipped with the light trap corresponding with LED breathing lamp in the upper surface run-through formula, and the encapsulation has a transparent inferior gram force board in the light trap.

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

the circuit board is arranged on the mounting arm, so that the circuit board cannot swing in the vertical direction, and is isolated from being in contact with the lower protective cover and the upper protective cover, and short circuit is prevented; simultaneously, the end of this installation arm has a trip, and this trip encloses with insulator's the back and constitutes the mounting groove for circuit board installed in the mounting groove can not be at the fore-and-aft side rebound, and what the circuit board can stabilize fixes the rear end at insulator, effectual improvement terminal group and circuit board welded stability, the quality that promotes the connector and user's use impression.

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 schematic perspective view of an embodiment of the present invention;

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

FIG. 3 is a second exploded view of the embodiment of the present invention;

fig. 4 is a schematic cross-sectional structure diagram of an embodiment of the present invention.

The attached drawings indicate the following:

10. insulating body 101, chute

11. A first tongue plate 12 and a second tongue plate

13. Mounting arm 131, hook

132. Mounting groove 14 and first engaging bump

20. Terminal group 21 and first terminal

22. Second terminal 30 and circuit board

31. Conduction terminal 32 and LED breathing lamp

40. Shield case 401, first installation cavity

402. Second mounting cavity 403 and first mounting hole

41. Mounting piece 50, lower protective cover

501. Mounting groove 51, front stop

52. Rear stop block 53 and second clamping convex block

60. Upper protective cover 601 and second mounting hole

602. Light hole 61, cable mounting

62. Transparent acrylic sheet.

Detailed Description

Referring to fig. 1 to 4, a specific structure of a preferred embodiment of the present invention is shown, which includes an insulating body 10, a terminal set 20, a circuit board 30, a shielding shell 40, a lower protection cover 50 and an upper protection cover 60.

The insulating body 10 is integrally formed by injection molding, the insulating body 10 has a first tongue plate 11 and a second tongue plate 12, the insulating body 10 extends backward with two mounting arms 13, in this embodiment, the number of the mounting arms 13 is two, the end of the mounting arm 13 has a hook 131, and the hook 131 and the back of the insulating body 10 surround to form a mounting groove 132. The upper surface and the lower surface of the insulating body 10 are both provided with four first engaging protrusions 14, and two first engaging protrusions 14 are respectively provided on the upper surface and the lower surface of the insulating body 10. The left and right sides of the insulating body 10 are concavely provided with a sliding chute 101 adapted to the mounting plate 41, and the sliding chute 101 is horizontally provided with the left and right sides of the insulating body 10.

The terminal set 20 is used for conducting connection, the terminal set 20 includes a first terminal 21 and a second terminal 22, the terminal set 20 is embedded in the insulating body 10, in the embodiment, the number of the first terminal 21 set 20 is greater than that of the second terminal 22 set 20, the number of the first terminal 21 set 20 is 7, the number of the second terminal 22 set 20 is 5, wherein the first terminal 21 is embedded in the first tongue plate 11, the number of the second terminal 22 is embedded in the second tongue plate 12, and the rear end of the terminal set 20 is exposed to the rear of the insulating body 10.

The circuit board 30 is fixed in the mounting groove 132 in a snap-fit manner, the snap hook 131 is snapped on the back surface of the circuit board 30, the mounting groove 132 can prevent the circuit board 30 from moving in the vertical direction and the front-back direction, the upper surface of the circuit board 30 is provided with a conduction terminal 31, the rear end of the terminal group 20 is welded on the upper surface of the circuit board 30 and is connected with the circuit board 30 in a conduction manner, and the terminal group 20 is connected with the conduction terminal 31 on the circuit board 30 in a conduction manner. The upper surface of this circuit board 30 has a LED breathing lamp 32, and when the user was using this connector, this LED breathing lamp 32 can be between bright and dark circulation gradual change, feels like people breathing, increases the practicality and the interest of this connector.

The shielding shell 40 is clamped on the outer side surface of the insulating body 10, the shielding shell 40 is of a metal structure, the shielding shell 40 has a first mounting cavity 401 and a second mounting cavity 402 which are independent of each other, the first tongue plate 11 is mounted in the first mounting cavity 401, and the second tongue plate 12 is mounted in the second mounting cavity 402. The shielding shell 40 is provided with a first mounting hole 403 adapted to the first engaging protrusion 14, the first engaging protrusion 14 on the insulating body 10 is engaged with the first mounting hole 403, the left and right sides of the shielding shell are provided with mounting pieces 41 extending backwards, the mounting pieces 41 are slidably assembled in the sliding grooves 101 on the two sides of the insulating body 10, and the mounting pieces 41 are connected with the sliding grooves 101, so that the shielding shell 40 can be kept horizontally mounted.

The lower protection cover 50 is surrounded with a mounting groove 501, the insulation body 10 is mounted in the mounting groove 501, the lower protection cover 50 is convexly provided with a front stop 51 and a rear stop 52, the insulation body 10 is clamped between the front stop 51 and the rear stop 52, so that the freedom degree of the insulation body 10 in the front-rear direction is limited, and the side surface of the lower protection cover 50 is convexly provided with a second clamping convex block 53.

The end of the upper protection cover 60 is provided with a cable fixing member 61, the cable fixing member 61 is used for protecting a cable connected with the connector in a conduction manner, the upper protection cover is arranged above the lower protection cover 50, the insulation body 10 and the circuit board 30 are both arranged between the upper protection cover 60 and the lower protection cover 50, the upper protection cover 60 is provided with a second mounting hole 601 matched with the second clamping convex block 53 in the lower protection cover 50, the second clamping convex block 53 is clamped in the second mounting hole 601, and the lower protection cover 50 and the upper protection cover are clamped and assembled together. The upper surface of the upper protection cover 60 is provided with a light hole 602 corresponding to the LED breathing lamp 32 in a penetrating manner, a transparent acrylic plate 62 is packaged on the light hole 602, and the light of the LED breathing lamp 32 on the circuit board 30 can be transmitted out through the transparent acrylic plate 62.

The utility model discloses an assembly process as follows:

1. respectively embedding and molding a first terminal 21 and a second terminal 22 in a first tongue plate 11 and a second tongue plate 12 of the insulating body 10;

2. after step 1 is completed, the insulation body 10 is installed in the shielding shell 40 from back to front;

3. after step 2 is completed, the circuit board 30 is clamped in the mounting groove 132, the rear ends of the terminal groups 20 correspond to the conduction terminals 31 on the circuit board 30 one by one, and then the rear ends of the terminal groups 20 and each conduction terminal 31 are welded one by one;

4. after the step 3 is completed, the insulation body 10 is arranged on the lower protective cover, and the insulation body 10 is arranged between the front stop block 51 and the rear stop block 52 of the lower protective cover from top to bottom;

5. and (4) connecting the upper protective cover with the lower protective cover after the step 4 is finished.

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. A connector with stable and reliable welding is characterized in that: the circuit board comprises an insulation body, a terminal group, a circuit board, a shielding shell, a lower protective cover and an upper protective cover; the insulating body is integrally formed by injection molding, a first tongue plate and a second tongue plate are arranged on the insulating body, an installation arm extends backwards from the insulating body, a clamping hook is arranged at the tail end of the installation arm, and the clamping hook and the back of the insulating body are surrounded to form an installation groove; the terminal group comprises a first terminal and a second terminal, the terminal group is embedded in the insulating body, the first terminal is embedded in the first tongue plate, the second terminal is embedded in the second tongue plate, and the rear end of the terminal group is exposed out of the rear part of the insulating body; the circuit board is clamped and fixed in the mounting groove, and the rear end of the terminal group is in conductive connection with the circuit board; the shielding shell is clamped on the outer side face of the insulating body, a first mounting cavity and a second mounting cavity which are mutually independent are arranged in the shielding shell, the first tongue plate is mounted in the first mounting cavity, and the second tongue plate is mounted in the second mounting cavity; the lower protective cover is internally provided with a mounting groove in a surrounding manner, the insulation body is mounted in the mounting groove, the lower protective cover is convexly provided with a front stop block and a rear stop block, and the insulation body is clamped between the front stop block and the rear stop block; the upper protection cover is arranged above the lower protection cover, the insulation body and the circuit board are arranged between the upper protection cover and the lower protection cover, and the lower protection cover and the upper protection cover are clamped and assembled together.

2. The connector of claim 1, wherein: the upper surface and the lower surface of the insulating body are convexly provided with first clamping convex blocks, the shielding shell is provided with a first mounting hole matched with the first clamping convex blocks, and the first clamping convex blocks are clamped in the first mounting hole.

3. The connector of claim 1, wherein: the left side face and the right side face of the shielding shell extend backwards to be provided with mounting pieces, sliding grooves matched with the mounting pieces are concavely formed in the left side face and the right side face of the insulating body, and the mounting pieces are assembled in the sliding grooves in a sliding mode.

4. The connector of claim 1, wherein: the side surface of the lower protective cover is convexly provided with a second clamping convex block, the upper protective cover is provided with a second mounting hole matched with the second clamping convex block, and the second clamping convex block is clamped in the second mounting hole.

5. The connector of claim 1, wherein: the upper surface of the circuit board is provided with a conduction terminal, and the tail end of the terminal group is welded on the upper surface of the conduction terminal and is in conduction connection with the conduction terminal.

6. The connector of claim 1, wherein: and a cable fixing piece is arranged at the tail end of the upper protective cover.

7. The connector of claim 1, wherein: the number of the mounting arms is two.

8. The connector of claim 1, wherein: the upper surface of circuit board has a LED breathing lamp, and what aforementioned go up the visor is equipped with the light trap corresponding with LED breathing lamp in the upper surface run-through formula, and the encapsulation has a transparent inferior gram force board in the light trap.