CN218648180U

CN218648180U - USB connector structure

Info

Publication number: CN218648180U
Application number: CN202222892885.3U
Authority: CN
Inventors: 刘学文
Original assignee: HOKY PRECISION COMPONENTS (SHENZHEN) Ltd
Current assignee: HOKY PRECISION COMPONENTS (SHENZHEN) Ltd
Priority date: 2022-10-31
Filing date: 2022-10-31
Publication date: 2023-03-17
Anticipated expiration: 2032-10-31

Abstract

The utility model belongs to the technical field of connectors, in particular to a USB connector structure, which comprises a first terminal component, a second terminal component, a metal shell and a body; a cavity is arranged in the metal shell, and two ends of the cavity are opened; the body is arranged in the cavity, and a first extension part and a second extension part extend from the upper side and the lower side of one end of the body; the first terminal assembly includes a first connection block and a plurality of first terminals connected in parallel to the first connection block; the second terminal assembly includes a second connection block and a plurality of second terminals connected in parallel to the second connection block; the inner side of the first extension part is provided with a first limiting step, the inner side of the second extension part is provided with a second limiting boss, and the end part of the first terminal is elastically lapped on the first limiting boss; one end of the second limiting groove is provided with a second clearance groove penetrating through the second extending portion, one end of the second clearance groove extends to form a second limiting boss, and the end portion of the second terminal is elastically lapped on the second limiting boss.

Description

USB connector structure

Technical Field

The utility model belongs to the technical field of the electric connector, especially, relate to a USB connector structure.

Background

The electrical connector not only needs to meet general performance requirements, but also has the important requirements that the electrical connector has good contact, reliable operation and convenient maintenance, and whether the reliable operation directly affects the normal operation of an airplane circuit or not, and relates to the safety of the whole host. For this reason, the host circuit has very strict requirements on the quality and reliability of the electrical connector, and because of the high quality and reliability of the electrical connector, the electrical connector is also widely used in military systems such as aviation, aerospace, national defense and the like. Common classification methods for electrical connectors include shape, structure, use, etc.

USB Type-C is a USB interface appearance standard, has than Type-A and Type-B equal little volume, can be applied to PC (main equipment) and can be applied to the interface Type of external equipment (slave unit, like the cell-phone) again. And USB Type-C is a very common electrical connector in electronic communication devices today.

Chinese patent publication No. CN217134723U discloses a conductive terminal structure and a USB Type-C connector male plug thereof, and specifically discloses a conductive terminal structure comprising two rows of conductive terminal sets, wherein one conductive terminal set comprises a first conductive terminal and a second conductive terminal which are arranged in sequence and circularly, and the other conductive terminal set comprises a second conductive terminal and a first conductive terminal which are arranged in sequence and circularly; the first conductive terminal comprises a first contact part and a first welding part which are longitudinally connected; the second conductive terminal comprises a second contact part and a second welding part which are longitudinally connected; the first welding part and the second welding part of each row of conductive terminal group are arranged in a staggered mode. The utility model discloses a first conductive terminal and the different circulation mode in order of second conductive terminal arrange two conductive terminal group, wherein the weld part homoenergetic dislocation of every conductive terminal group is arranged, when installing the PCB board with the weld part perpendicularly, can make the foot hole dislocation of PCB board, and then can increase the pitch-row, avoid the problem of continuous welding.

In the electrical connector disclosed in the above patent document, the end portions of the first and second conductive terminals are completely free. When the connector is connected with the female head, the end part of the terminal elastically deforms towards one side, but the end part of the terminal gradually loses elasticity along with the increase of the using times, so that the terminal is plastically deformed and cannot be restored to an initial state, and the problem of terminal dislocation or even connection failure is caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a USB connector structure solves present punching press material and takes conveying equipment can lead to the error accumulation, and influences the problem of the transport precision in material area.

In order to achieve the above object, an embodiment of the present invention provides a USB connector structure, including a first terminal assembly, a second terminal assembly, a metal shell and a body; a cavity is arranged in the metal shell, and two ends of the cavity are opened; the body is arranged in the cavity, a first extension part and a second extension part extend from the upper side and the lower side of one end of the body, and a connecting space is formed between the first extension part and the second extension part; the first terminal assembly includes a first connection block and a plurality of first terminals connected in parallel to the first connection block; the second terminal assembly comprises a second connecting block and a plurality of second terminals connected with the second connecting block in parallel, the first connecting block and the second connecting block are arranged in the body in an up-and-down overlapping mode, and the first terminals and the second terminals extend to the connecting space; a plurality of first limiting grooves are formed in the inner side of the first extending portion, a first terminal is arranged in each first limiting groove, a plurality of second limiting grooves are formed in the inner side face of the second extending portion, a second terminal is arranged in each second limiting groove, a first avoiding groove penetrating through the first extending portion is formed in one end of each first limiting groove, a first limiting boss extends from one end of each first avoiding groove, and the end portion of each first terminal is elastically lapped on the first limiting boss; one end of the second limiting groove is provided with a second clearance groove penetrating through the second extending part, one end of the second clearance groove extends to form a second limiting boss, and the end part of the second terminal is elastically lapped on the second limiting boss.

Furthermore, one end of the first terminal is provided with a first electric connection part extending out of the first clearance groove, the end part of the first electric connection part extends to form a first lapping part, and the first lapping part is lapped on the first limiting boss; one end of the second terminal is provided with a second power connection part extending out of the second clearance groove, the end part of the second power connection part extends to form a second lap joint part, and the second lap joint part is lapped on the second limiting boss.

Furthermore, the outer side surface of the first extension part is also provided with a first insulating sheet which covers each first empty avoiding groove, so that the inner side of the metal shell and the first terminal are isolated at two sides of the first insulating sheet; the outer side surface of the second extending portion is further provided with a second insulating sheet, and the second insulating sheet covers the second clearance grooves, so that the inner side of the metal shell and the second terminals are isolated on two sides of the second insulating sheet.

Furthermore, a first concave cavity is formed in the outer side of the first extending part, and the first insulating sheet is arranged in the first concave cavity; the outside of second extension is provided with the second cavity, and the second insulating piece sets up in the second cavity.

And the end parts of the first terminals and the second terminals are welded on the electric connection plate and are conducted with the connection circuit.

Furthermore, two capacitors are arranged in the connecting circuit and welded on the power connection plate.

The embodiment of the utility model provides an above-mentioned one or more technical scheme in the USB connector structure have following technological effect at least:

1. the connector is characterized in that a plurality of first limiting grooves and a plurality of second limiting grooves are respectively arranged on two first extending parts and two second extending parts, a first limiting boss extends from one end of each first limiting groove, and a second limiting boss extends from one end of each second limiting groove; the end part of the first end is elastically supported and lapped on the first limit boss, and the second terminal is elastically lapped on the second limit boss; therefore, when the connector is inserted into the connector of the female head, the tongue piece in the female head can press the first terminal and the second terminal, so that the first terminal and the second terminal are elastically deformed towards two sides. After the female head is pulled out, the female head is limited on the first limit boss and the second limit boss due to the elasticity of the first terminal and the second terminal. And because first terminal and second terminal have toward middle deformation elastic force, through predetermined elastic force, can increase first terminal and second terminal deformation number of times, increase its life to through first spacing groove and second spacing groove, can prevent first terminal and second terminal dislocation, guarantee the position after its deformation, thereby guarantee the stability that this connector is connected.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a structural diagram of a USB connector according to an embodiment of the present invention.

Fig. 2 is a cross-sectional view of the USB connector provided in the embodiment of the present invention

Fig. 3 is a partial view of fig. 2.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and intended to explain the embodiments of the present invention and are not to be construed as limiting the present invention.

In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which is only for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

In an embodiment of the present invention, the USB connector structure provided in this embodiment specifically relates to a Type-C male connector. Referring to fig. 1 to 3, the terminal assembly includes a first terminal assembly 100, a second terminal assembly 200, a metal shell 300 and a body 400. A cavity is provided in the metal shell 300, and both ends of the cavity are open. The body 400 is disposed in the cavity, a first extension portion 410 and a second extension portion 420 extend from the upper and lower sides of one end of the body 400, and a connection space 430 is formed between the first extension portion 410 and the second extension portion 420. The first terminal assembly 100 includes a first connection block 110 and a plurality of first terminals 120 connected in parallel to the first connection block 110. The second terminal assembly 200 includes a second connection block 210 and a plurality of second terminals 220 connected in parallel to the second connection block 210, the first connection block 110 and the second connection block 210 are disposed in the body 400 in an up-down stacked manner, and the first terminals 120 and the second terminals 220 protrude into the connection space 430. A plurality of first limiting grooves 411 are disposed on the inner side of the first extending portion 410, and a first terminal 120 is disposed in each first limiting groove 411. A plurality of second limiting grooves 421 are formed in the inner side surface of the second extending portion 420, a second terminal 220 is arranged in each second limiting groove 421, a first clearance groove 412 penetrating through the first extending portion 410 is formed in one end of the first limiting groove 411, a first limiting boss 413 extends from one end of the first clearance groove 412, and the end portion of the first terminal 120 is elastically lapped on the first limiting boss 413. One end of the second limiting groove 421 is provided with a second avoiding groove 422 penetrating the second extending portion 420, one end of the second avoiding groove 422 extends with a second limiting boss 423, and an end portion of the second terminal 220 is elastically overlapped on the second limiting boss 423.

Specifically, in the USB connector structure of this embodiment, a plurality of first limiting grooves 411 and a plurality of second limiting grooves 421 are respectively disposed on the two first extending portions 410 and the two second extending portions 420, a first limiting protrusion 413 extends from one end of the first limiting groove 412, and a second limiting protrusion 423 extends from one end of the second limiting groove 421. The end of the first terminal 120 is elastically supported to be overlapped on the first stopper projection 413, and the second terminal 220 is elastically overlapped on the second stopper projection 423. Therefore, when the connector is inserted into the female connector, the tongue pieces in the female press the first terminal 120 and the second terminal 220, so that the first terminal 120 and the second terminal 220 are elastically deformed toward both sides. After the female terminal is pulled out, the first terminal 120 elastically abuts against the first stopper boss 413 and the second terminal 220 elastically abuts against the second stopper boss 423 due to the elastic forces of the first terminal 120 and the second terminal 220. And the first terminal 120 and the second terminal 220 have elastic force toward the middle of deformation. Therefore, the resilience of the first terminal 120 and the second terminal 220 can be increased by the predetermined elastic force, so that the number of times of deformation of the first terminal 120 and the second terminal 220 can be increased, and the service life of the terminal can be prolonged. And the first terminals 120 and the second terminals 220 are respectively limited by the first limiting grooves 411 and the second limiting grooves 421, so that the first terminals 120 and the second terminals 220 can be prevented from being dislocated, the deformed positions of the first terminals and the second terminals are ensured, and the connection stability of the connector is ensured.

Further, referring to fig. 1 to 3, one end of the first terminal 120 is provided with a first electric connection part 121 extending out of the first clearance groove 412, an end of the first electric connection part 121 extends to form a first overlapping part 122, and the first overlapping part 122 overlaps the first limiting protrusion 413. One end of the second terminal 220 is provided with a second electric connection part 221 extending out of the second clearance groove 422, the end of the second electric connection part 221 extends to form a second overlapping part 222, and the second overlapping part 222 is overlapped on the second limit boss 423. In this embodiment, when the female connector of the connector is inserted into the connector, the first contact portions 121 and the second contact portions 221 are brought into contact with conductive portions on the tongue pieces of the female connector, thereby achieving electrical conduction connection.

Further, referring to fig. 1 to 3, the outer surface of the first extending portion 410 is further provided with a first insulating sheet 414, and the first insulating sheet 414 covers each first empty-avoiding groove 411, so that the inner side of the metal shell 300 and the first terminal 120 are isolated at two sides of the first insulating sheet 414. The outer side surface of the second extending portion 420 is further provided with a second insulating sheet 424, and the second insulating sheet 424 covers each second empty avoiding groove 422, so that the inner side of the metal shell 300 and the second terminal 220 are isolated at two sides of the second insulating sheet 424. The phenomenon of short circuit caused by the conduction of the first terminal 120 and the second terminal 220 with the metal shell 300 is avoided.

Further, referring to fig. 1 to 3, a first cavity is disposed outside the first extending portion 410, and the first insulating sheet 414 is disposed in the first cavity, so that an outer surface of the first insulating sheet 414 is flush with an outer surface of the first extending portion 410. The second extending portion 420 is provided at the outside thereof with a second cavity in which the second insulation sheet 424 is disposed, and thus, the outer surface of the second insulation sheet 414 may be flush with the outer surface of the second extending portion 410. Therefore, the present embodiment can facilitate the body 400 to be installed in the metal case 300.

Further, referring to fig. 1, the USB connector structure further includes a power board 500, a connection circuit is disposed on the power board 500, and the ends of the first terminals 120 and the second terminals 220 are soldered on the power board 500 and are electrically connected to the connection circuit.

Furthermore, two capacitors 510 are disposed in the connection circuit, and the capacitors 510 are soldered on the power connection plate 500. This embodiment can increase the stability of this connector through setting up two electric capacity.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. A USB connector structure includes a first terminal assembly, a second terminal assembly, a metal shell, and a body; a cavity is arranged in the metal shell, and two ends of the cavity are opened; the body is arranged in the cavity, a first extension part and a second extension part extend from the upper side and the lower side of one end of the body, and a connecting space is formed between the first extension part and the second extension part; the first terminal assembly includes a first connection block and a plurality of first terminals connected in parallel to the first connection block; the second terminal assembly comprises a second connecting block and a plurality of second terminals connected with the second connecting block in parallel, the first connecting block and the second connecting block are arranged in the body in an up-and-down overlapping mode, and the first terminals and the second terminals extend to the connecting space; the connector is characterized in that a plurality of first limiting grooves are formed in the inner side of the first extending portion, a first terminal is arranged in each first limiting groove, a plurality of second limiting grooves are formed in the inner side of the second extending portion, a second terminal is arranged in each second limiting groove, a first clearance groove penetrating through the first extending portion is formed in one end of each first limiting groove, a first limiting boss extends from one end of each first clearance groove, and the end portion of each first terminal is elastically lapped on the first limiting boss; one end of the second limiting groove is provided with a second clearance groove penetrating through the second extending portion, one end of the second clearance groove extends to form a second limiting boss, and the end portion of the second terminal is elastically lapped on the second limiting boss.

2. The USB connector structure of claim 1, wherein: one end of the first terminal is provided with a first electric connection part extending out of the first empty avoiding groove, the end part of the first electric connection part extends to form a first lap joint part, and the first lap joint part is lapped on the first limiting boss; one end of the second terminal is provided with a second electric connection part extending out of the second clearance groove, the end part of the second electric connection part extends to form a second lapping part, and the second lapping part is lapped on the second limiting boss.

3. The USB connector structure of claim 1, wherein: the outer side surface of the first extending part is also provided with a first insulating sheet, and the first insulating sheet covers each first empty avoiding groove, so that the inner side of the metal shell and the first terminal are isolated on two sides of the first insulating sheet; the outside surface of second extension still is provided with the second insulating piece, the second insulating piece covers each the second is kept away the dead slot, makes the inboard of metal casing with the second terminal is kept apart in the both sides of second insulating piece.

4. The USB connector structure of claim 3, wherein: a first concave cavity is formed in the outer side of the first extending part, and the first insulating sheet is arranged in the first concave cavity; the outside of second extension is provided with the second cavity, the second insulating piece sets up in the second cavity.

5. The USB connector structure according to any one of claims 1 to 4, wherein: the terminal of each first terminal and the terminal of each second terminal are welded on the electric connection plate and are conducted with the connection circuit.

6. The USB connector structure of claim 5, wherein: and the connecting circuit is also provided with two capacitors, and the capacitors are welded on the power connection plate.