CN210074221U

CN210074221U - Welding wire type USB socket

Info

Publication number: CN210074221U
Application number: CN201921292104.9U
Authority: CN
Inventors: 董波
Original assignee: JUST CONNECTOR KUNSHAN CO Ltd
Current assignee: JUST CONNECTOR KUNSHAN CO Ltd
Priority date: 2019-08-09
Filing date: 2019-08-09
Publication date: 2020-02-14
Anticipated expiration: 2029-08-09

Abstract

A welding wire type USB socket comprises a terminal group, an insulating body and a shell, wherein the insulating body integrates the terminal group into a whole, the shell is arranged outside the insulating body, the terminal group comprises a pair of positive terminals and a pair of negative terminals which are respectively positioned on the outer sides of the positive terminals, the insulating body comprises a base part and a butt joint tongue part formed by extending forwards from the base part, one positive terminal and one negative terminal which are positioned on the transverse first side of the butt joint tongue part extend upwards to form a contact part exposed out of the upper surface of the butt joint tongue part, one positive terminal and one negative terminal which are positioned on the transverse second side of the butt joint tongue part extend downwards to form a contact part exposed out of the lower surface of the butt joint tongue part, the pair of positive terminals are connected into a whole and extend backwards to form a first welding wire part, and the pair of negative terminals are connected into a whole and extend to; the manufacturing cost is lower.

Description

Welding wire type USB socket

Technical Field

The present application relates to the field of connectors, and more particularly, to a wire-bonding USB socket.

Background

The existing Type C Type USB socket is widely applied to the fields of smart phones, computers and the like, and usually, the socket is welded on a printed circuit board in a surface mounting or plug-in mounting mode to transmit electric energy and high-speed data signals. In part of application fields, no requirement is needed for data signal transmission, and only electric energy needs to be transmitted; and some fields also require the socket to adopt a cable connection mode, for example, patent application No. 201910131358.0 of the people's republic of china discloses a cable connection type USB socket, which is connected with a cable through a line-to-board plug by arranging a seat body of a line-to-board structure at the rear end of an insulating body, and the cost of the scheme is still high.

SUMMERY OF THE UTILITY MODEL

Accordingly, there is a need for a wire-bonding USB receptacle in which two rows of conductive terminals share a single-stamped terminal structure, thereby further reducing the manufacturing cost.

In order to solve the above technical problems, the present application provides a wire-bonding type USB socket, which comprises a terminal set, an insulating body integrally forming the terminal set, and a housing disposed outside the insulating body, the terminal set comprises a pair of positive terminals and a pair of negative terminals respectively positioned at the outer sides of the positive terminals, the insulating body comprises a base part and a butt joint tongue part formed by extending forwards from the base part, a positive terminal and a negative terminal on the transverse first side of the butt joint tongue part extend upwards to form a contact part exposed out of the upper surface of the butt joint tongue part, a positive terminal and a negative terminal on the transverse second side of the butt joint tongue part extend downwards to form a contact part exposed out of the lower surface of the butt joint tongue part, a pair of the positive terminals are connected into a whole and extend backwards to form a first welding line part, and a pair of the negative terminals are connected into a whole and extend to form a second welding line part.

Preferably, the terminal group is formed by one-time stamping and molding to be connected with an integrated structure and formed by injection molding in a die.

Preferably, each conductive terminal of the terminal set includes a main body portion, a holding portion extending backward from the main body portion, and a holding portion extending backward from the main body portion, the contact portion is formed by tearing and protruding upward or downward from the main body portion, and the main body portion is located at a middle position of the mating tongue portion in the vertical direction.

Preferably, the front end portions of the main body portions of the pair of negative terminals extend laterally outward beyond the mating tongue portion to form locking portions.

Preferably, the holding parts of the pair of positive terminals are connected into a whole and extend backwards to form the first welding line part.

Preferably, the pair of negative terminals are electrically connected into a whole through a connecting portion located at the rear end of the first welding wire portion, and the connecting portion sinks concavely to avoid the cable.

Preferably, the second bonding wire portion is formed by extending rearward from the holding portion of one negative terminal, and the holding portion of the other negative terminal is connected to the second bonding wire portion through the connecting portion.

Preferably, when the terminal set is formed by punching, the positive terminal and the holding part of the negative terminal are connected into a whole through the lapping part, and the lapping part is formed by injection molding and cut off behind the insulating body so as to realize the electrical isolation between the positive terminal and the negative terminal.

Preferably, the insulating body further includes a tail portion formed by extending from the base portion backward, and an accommodating space for accommodating the first and second wire portions is provided on the tail portion.

Preferably, the periphery of the base is provided with an annular groove, the upper surface and the lower surface of the base are also provided with a filling groove communicated with the annular groove, the shell is molded outside the insulating body in an injection molding mode, and the annular groove and the filling groove are molded to form a part of the shell so as to realize fixing.

According to the wire-welding type USB socket, one terminal group is formed in a one-time punch mode, so that the insulation body can be manufactured in a one-time injection molding mode; and then, a pair of positive terminals of the terminal group are electrically connected into a whole and form a first welding line part at the rear end, a pair of negative terminals of the terminal group are electrically connected into a whole and form a second welding line part at the rear end, and the first welding line part and the second welding line part are respectively welded on the first welding line part and the second welding line part through two cables to connect the positive terminals and the negative terminals.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application.

Fig. 1 is a perspective assembly view of a wire-bonded USB socket according to the present application;

FIG. 2 is a connection diagram of a terminal set and a cable of the wire-bonding USB socket of the present application;

FIG. 3 is a side view of a terminal set of the wire USB socket of the present application;

fig. 4 is a perspective view of the wire-bonded USB socket of the present application with the housing removed.

Description of the main Components

Cable with a flexible connection	10	Shell body	20
				Waterproof ring	30	Insulating body	40
Base part	41	Annular groove	411
				Filling the groove	412	Step part	42
Butt joint tongue	43	Tail part	44
				Containing space	441	Support arm	442
Terminal group	50	Positive terminal	51
				Negative terminal	52	Main body part	53
Holding part	54	Lap joint part	55
				First bonding wire part	511	Connecting part	521
Second bonding wire part	522	Lock catch part	523
				Contact part	531

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail and completely with reference to the following specific embodiments of the present application and the accompanying drawings.

The definition of the directions in the present application is based on fig. 1, and the directions include a front-back direction, a lateral direction (left-right direction), and an up-down direction.

Referring to fig. 1, the welding wire type USB socket of the present application includes a terminal set 50, an insulating body 40 integrally molding the terminal set 50, a housing 20 molded outside the insulating body 40, a waterproof ring 30 disposed on the periphery of the front end of the housing 20, and a cable 10 integrally welded to the terminal set 50.

As shown in fig. 2 and fig. 3, the terminal set 50 includes a pair of positive terminals 51 and a pair of negative terminals 52 located outside the pair of positive terminals 51. Each conductive terminal of the terminal 50 includes a main body portion 53, a holding portion 54 extending rearward from the main body portion 53, and a contact portion 531 stamped upward or downward from the main body portion 53. Wherein the adjacent one of the positive terminals 51 and one of the negative terminals 52 is punched upward to form the contact 531, and the other pair of the adjacent one of the positive terminals 51 and one of the negative terminals 52 is punched downward to form the contact 531; the contact portion 531 is formed by tearing from the main body portion 53.

A pair of the positive terminals 51 are integrally connected at the position of the holding portion 54 and extend rearward to form a first wire bonding portion 511. The extension portions 54 of the pair of negative terminals 52 extend to the rear end of the first wire bonding portion 511 and are integrally connected by a connecting portion 521, and a second wire bonding portion 522 is formed at the rear end of the extension portion 54 of one of the negative terminals 52. The connecting portion 521 is sunk at the rear end of the first welding line portion 511 to avoid the cable 10. The first wire portion 511 and the second wire portion 522 are arranged on the left and right sides. The front outer sides of the pair of negative terminals 52 are formed with locking portions 523 projecting outward for locking with a plug.

As shown in fig. 4, the insulation body 40 includes a base portion 41, a step portion 42 extending forward from the base portion 41, a butt tongue portion 43 extending forward from the step portion 42, and a tail portion 44 extending backward from the base portion 41.

The base 41 is provided with an annular groove 411 and a filling groove 412 formed by recessing the upper and lower surfaces of the base 41. The tail portion 44 is provided with a receiving space 441 for receiving the first and second

welding wire portions

511 and 522, and a supporting arm 442 extending downward from the tail portion 44.

The terminal set 50 is molded in the insulating body 40, the main body 53 of each conductive terminal of the terminal set 50 is molded at a middle position of the mating tongue 43 in the vertical direction, and the locking part 523 extends out of the lateral outer side of the mating tongue 43. The contact portions 531 of a positive terminal 51 and a negative terminal 52 located on the left side (or right side) of the docking tongue 43 extend out of the first surface of the docking tongue 443, and the contact portions 531 of a positive terminal 51 and a negative terminal 52 located on the right side (or left side) of the docking tongue 43 extend out of the second surface of the docking tongue 43. The first surface and the second surface of the abutment tongue 443 are two surfaces that are opposed in the vertical direction.

The holding portions 54 of the pair of positive terminals 51 and the holding portions 54 of the pair of negative terminals 52 are integrally connected by the bridging portion 55 during the stamping process, so that the insulating body 40 is injection molded on the terminal set 50 as a whole, and after the injection molding, the bridging portion 55 is cut off to electrically isolate the positive terminals 51 from the negative terminals 52.

The housing 20 is made of plastic material, the housing 20 is formed by performing injection molding on the insulating body 40 again, and when the housing 20 is injection molded, the annular groove 411 and the filling portion 412 are filled with the plastic material to realize tight fixation between the housing 20 and the insulating body 40.

According to the wire-welding type USB socket, one terminal group 50 is formed in a one-step punch forming mode, so that the insulation body 40 can be manufactured through one-step injection molding; then, the pair of positive terminals 51 of the terminal set 50 are electrically connected together to form a first bonding wire portion 511 at the rear end, the pair of negative terminals 52 of the terminal set 50 are electrically connected together to form a second bonding wire portion 522 at the rear end, and the two cables 10 are respectively welded to the first and second

bonding wire portions

511 and 522 to connect the positive terminals 51 and the negative terminals 52.

The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims

1. A wire-welding type USB socket comprises a terminal group, an insulating body which integrates the terminal group into a whole, and a shell which is arranged outside the insulating body, wherein the terminal set comprises a pair of positive terminals and a pair of negative terminals respectively positioned at the outer sides of the positive terminals, the insulating body comprises a base part and a butt joint tongue part formed by extending forwards from the base part, a positive terminal and a negative terminal on the transverse first side of the butt joint tongue part extend upwards to form a contact part exposed out of the upper surface of the butt joint tongue part, a positive terminal and a negative terminal on the transverse second side of the butt joint tongue part extend downwards to form a contact part exposed out of the lower surface of the butt joint tongue part, a pair of the positive terminals are connected into a whole and extend backwards to form a first welding line part, and a pair of the negative terminals are connected into a whole and extend to form a second welding line part.

2. The wire-bonded USB socket according to claim 1, wherein the terminal set is formed by one-step stamping into a structure connected to a single body and injection-molded into the insulating body.

3. The wire-bonded USB socket according to claim 2, wherein each of the conductive terminals of the terminal set includes a main body portion and a holding portion extending rearward from the main body portion, and wherein the contact portion is formed by tearing and protruding upward or downward from the main body portion, and wherein the main body portion is located at a position intermediate to the mating tongue portion in the vertical direction.

4. The wire-bonded USB socket according to claim 3, wherein front end portions of the main body portions of the pair of negative terminals extend laterally outward of the mating tongue portions to form locking portions.

5. The wire-bonded USB socket according to claim 3, wherein a pair of the positive terminals holding portions are integrally connected and extend rearward to form the first wire bonding portion.

6. The wire-bonded USB socket according to claim 3 or 5, wherein the pair of negative terminals are integrally connected to each other by a connecting portion at a rear end of the first wire-bonded portion, and the connecting portion is recessed to avoid a cable.

7. The wire-bonded USB socket according to claim 6, wherein the second wire bonding portion is formed extending rearward from the holding portion of one negative terminal, and the holding portion of the other negative terminal is connected to the second wire bonding portion through the connecting portion.

8. The wire-bonded USB socket according to claim 3, wherein the terminal assembly is formed by punching, the holding portions of the positive terminal and the negative terminal are integrally connected by a bridging portion, and the bridging portion is cut away after the insulating body is injection molded to electrically isolate the positive terminal from the negative terminal.

9. The wire-bonded USB socket according to claim 1, wherein the insulating body further comprises a tail portion extending rearward from the base portion, and the tail portion is provided with a receiving space for receiving the first and second wire bonding portions.

10. The wire-bonding type USB socket according to claim 1, wherein the base has an annular groove on its outer periphery, the upper and lower surfaces of the base have filling grooves communicating with the annular groove, the housing is formed outside the insulating body by injection molding, and the annular groove and the filling grooves form a part of the housing for holding.