CN209448054U

CN209448054U - Positive anti-plug USB plug

Info

Publication number: CN209448054U
Application number: CN201920233706.0U
Authority: CN
Inventors: 张少灿
Original assignee: Shenzhen Everwin Precision Technology Co Ltd
Current assignee: Shenzhen Everwin Precision Technology Co Ltd
Priority date: 2019-02-22
Filing date: 2019-02-22
Publication date: 2019-09-27
Anticipated expiration: 2029-02-22

Abstract

A kind of positive anti-plug USB plug, including insulating body, the metal shell being sheathed on outside the insulating body, several conductive terminals and the fastener being plugged in the insulating body, the insulating body includes annular base, grafting chamber in the annular base front end and run through the terminal groove of the insulating body in plug orientation, the terminal groove is being equipped with the attachment beam being laterally extended close to the grafting chamber side, at least partly conductive terminal includes base portion, to a pair of of the contact arm extended to form from the leg of the rearwardly extending formation of the base portion and from before two sides above and below the base portion, the contact arm front-end edge is equipped with contact point, the pair of contact arm corresponds to extends to form the pre-determined bit portion for being resisted against the attachment beam upper and lower surface relatively at the attachment beam position；The utility model can effectively keep terminal flatness.

Description

Positive anti-plug USB plug

Technical field

The utility model relates to field of connectors, espespecially a kind of positive anti-plug USB plug.

Background technique

Existing Type C plug includes two rows terminal, and two rows terminal is symmetrical structure, to reduce manufacture Cost is had developed and is used using tradition FPC terminal as Type C plug terminal, i.e. a conductive terminal includes upper and lower two Contact arm is designed in this way, and can increase terminal sizes, is inserted convenient for terminal, can without carrying out in-mold forming process again Improve product yield；And tradition FPC terminal is used, terminal contact arm can not be pre-positioned, easy product terminal contact portion is flat Face degree problem, not can avoid flatness error caused by punching press error.

Utility model content

In consideration of it, it is necessary to provide a kind of positive anti-plug USB plug, it can be achieved that pre-determined bit to terminal contact portion.

In order to solve the above technical problems, the utility model provides a kind of positive anti-plug USB plug, including insulating body, set Metal shell outside the insulating body, several conductive terminals and the fastener being plugged in the insulating body, it is described Insulating body includes annular base, the grafting chamber in the annular base front end and runs through the insulation originally in plug orientation The terminal groove of body, the terminal groove are being equipped with the attachment beam being laterally extended, at least partly conducting end close to the grafting chamber side Attached bag includes base portion, from the leg of the rearwardly extending formation of the base portion and from before two sides above and below the base portion to a pair extended to form Contact arm, the contact arm front-end edge are equipped with contact point, and the pair of contact arm corresponds to opposite extension at the attachment beam position Form the pre-determined bit portion for being resisted against the attachment beam upper and lower surface.

Preferably, pore structure is offered on the base portion of the conductive terminal, the pore structure can be such that the contact arm keeps Preferable elastic property.

Preferably, the leg of the conductive terminal includes each extending over the butt welding to be formed from two sides above and below the base portion Foot is formed with the clamping part for clamping a circuit board between a pair of of leg.

Preferably, the fastener includes interconnecting piece, extends to form in plug orientation from left and right sides of the interconnecting piece Elastic arm, from the weld part of the rearwardly extending formation of the elastic arm, from before the elastic arm to the hook part extended to form and The collets being shaped on the interconnecting piece.

Preferably, the both lateral sides of the insulating body are additionally provided with the side slot of grafting chamber described in connection, and the elastic arm is certainly The side slots of the insulating body both lateral sides is inserted into, and the hook part extends into the grafting chamber, the interconnecting piece and thereon Collets be connected to the clamping part between a pair of of leg of the conductive terminal Nei and against the rear end of the base portion.

Preferably, the opposite inside of the pair of leg is additionally provided with the groove structure for accommodating scolding tin.

Preferably, the attachment beam is accommodated between two contact arm, and the attachment beam rear end is resisted against the base portion On to limit the conductive terminal.

Preferably, the conductive terminal includes ground terminal on the outermost side, the electricity between the ground terminal Source terminal and several signal terminals between the power supply terminal.

Preferably, the transverse gage of the ground terminal and power supply terminal is greater than the thickness of the signal terminal.

Preferably, one contact arm of the only setting of the signal terminal.

The positive anti-plug USB plug of the utility model between the pair of contact arm by being arranged pre-determined bit portion, and described Attachment beam is set in terminal groove, the pre-determined bit portion is made to realize several conductive terminals against the upper and lower surface of the attachment beam The contact point of contact arm end is in same plane.

Detailed description of the invention

Attached drawing described herein is used to provide a further understanding of the present invention, and constitutes one of the utility model Point, the exemplary embodiment of the utility model and the description thereof are used to explain the utility model, does not constitute to the utility model Improper restriction.

Fig. 1 is the constitutional diagram of the positive anti-plug USB plug of the utility model connector assembly；

Fig. 2 is the stereogram exploded view of the positive anti-plug USB plug of the utility model；

Fig. 3 is the perspective view of the insulating body of the positive anti-plug USB plug of the utility model；

Fig. 4 is the cross-sectional view along A-A dotted line shown in Fig. 3；

Fig. 5 is the perspective view of the conductive terminal of the positive anti-plug USB plug of the utility model；

Fig. 6 is the perspective view of the clamping element of the positive anti-plug USB plug of the utility model；

Fig. 7 is the positive anti-plug USB plug of the utility model cross-sectional view big along B-B dotted line shown in Fig. 1.

Specific embodiment

It is specific below in conjunction with the utility model to keep the purpose of this utility model, technical solution and advantage clearer Technical solutions of the utility model are clearly and completely described in embodiment and corresponding attached drawing.Obviously, described embodiment It is only the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, this field Those of ordinary skill's every other embodiment obtained without making creative work, belongs to the utility model The range of protection.

Please refer to shown in Fig. 1, Fig. 2, the positive anti-plug USB plug of the utility model include insulating body 30, be sheathed on it is described absolutely Metal shell 20 outside edge ontology 30, the conductive terminal 40 being plugged in the insulating body 30 and fastener 50 are coated on institute State the glue 60 of 30 tail portion of insulating body.

Please continue to refer to shown in Fig. 3, Fig. 4, the insulating body 30 includes annular base 31, is located at the annular base 31 The grafting chamber 34 of front end, several terminal grooves 32 formed in plug orientation through the annular base 31 and from the cyclic group 31 both lateral sides of body open up the side slot 33 of grafting chamber 34 described in simultaneously connection.The terminal groove 32 is mutually indepedent, and is formed with terminal Cell wall 322 is formed with attachment beam 321, the connection in the connection close to 34 side of grafting chamber between the terminal cell wall 322 Beam 321 is located at the middle position in 32 vertical direction of terminal groove.

Please continue to refer to shown in Fig. 2, Fig. 5, Fig. 7, the conductive terminal 40 includes a pair of of ground terminal on the outermost side If 40a, a pair of power source terminals 40b on the inside of the ground terminal 40a and between the pair of power supply terminal 40b Dry signal terminal 40c.Several signal terminals can also be set between the ground terminal 40a and power supply terminal 40b.

A pair of of leg 42 that each conductive terminal 40 includes base portion 41, extends rearwardly to form from about 41 two sides of base portion And from before the base portion 41 to a pair of of the contact arm 43 extended to form.Pore structure 411, the hole are offered among the base portion 41 Structure 411 is used to improve elastic property and the service life of a pair of of contact arm 43.

Clamping part 421 is formed between the pair of leg 42 for clamping a printed circuit board 10.The pair of leg 42 Opposite side be recessed with groove structure 422 in order to accommodate scolding tin.The end of the pair of contact arm 43 is convex towards relative direction Mutual corresponding contact point 431 is formed out.The opposite extension in front end of the attachment beam 321 is corresponded among the pair of contact arm 43 Form a pair of of pre-determined bit portion 432.After the conductive terminal 40 is inserted into the terminal groove 32 of the insulating body 30, the attachment beam On the base portion 41 of the rear end of the pair of contact arm 43, the pre-determined bit portion 432 is connected to the company respectively for 321 rear end The two sides up and down of beam 321 are connect so that the contact point 431 is in scheduled plane, if keeping the stem grafting of the conductive terminal 40 Contact 431 is in the same plane.

Please continue to refer to shown in Fig. 6, Fig. 7, the fastener 50 includes interconnecting piece 51, from left and right sides of the interconnecting piece 51 The elastic arm 53 that is extended to form in plug orientation, from the weld part 54 of the rearwardly extending formation of the elastic arm 53, from the bullet To the hook part 55 extended to form and the collets 52 being shaped on the interconnecting piece 51 before property arm 53.The fastener 50 After being inserted into the insulating body 30, the elastic arm 53 is inserted into from the side slot 33 of 30 both lateral sides of insulating body, the card Hook part 55 extends into the grafting chamber 34, and the interconnecting piece 51 and collets 52 thereon are connected to the conductive terminal 40 Between the clamping part 421 of a pair of of leg 42 and against the rear end of the base portion 41, the collets 52 can avoid the interconnecting piece 51 is in electrical contact with the conductive terminal 40.

A contact arm 43, the upper bottom of each contact arm 43 can be set in the signal terminal 40c of the conductive terminal 40 It sets and is shifted to install by symmetrical structure.Also two contact arms 43 can be set.

The positive anti-plug USB plug of the utility model by between the pair of contact arm 43 be arranged pre-determined bit portion 432, and Attachment beam 321 is set in the terminal groove 32, makes the pre-determined bit portion 432 against the upper and lower surface of the attachment beam 321, realizes The contact point 431 of 43 end of contact arm of several conductive terminals 40 is in same plane.

The above description is only the embodiments of the present invention, is not intended to limit the utility model.For this field For technical staff, various modifications and changes may be made to the present invention.All institutes within the spirit and principle of the utility model Any modification, equivalent substitution, improvement and etc. of work, should be included within the scope of the claims of the utility model.

Claims

1. a kind of positive anti-plug USB plug, including insulating body, the metal shell being sheathed on outside the insulating body, is plugged in institute Several conductive terminals and the fastener in insulating body are stated, the insulating body includes annular base, is located at the annular base Grafting chamber in front end and run through the terminal groove of the insulating body in plug orientation, which is characterized in that the terminal groove is leaning on The nearly grafting chamber side is equipped with the attachment beam being laterally extended, at least partly conductive terminal include base portion, it is backward from the base portion The leg that extends to form and from before two sides above and below the base portion to a pair of of the contact arm extended to form, the contact arm front-end edge is set It has point of contact, the pair of contact arm corresponds to opposite extend to form at the attachment beam position and is resisted against following table on the attachment beam The pre-determined bit portion in face.

2. positive anti-plug USB plug as described in claim 1, which is characterized in that offer hole on the base portion of the conductive terminal Structure, the pore structure can make the contact arm keep preferable elastic property.

3. positive anti-plug USB plug as described in claim 1, which is characterized in that the leg of the conductive terminal includes described in Base portion each extends over a pair of of the leg to be formed in two sides up and down, and the clamping for clamping a circuit board is formed between a pair of of leg Portion.

4. anti-plug USB plug as claimed in claim 3 positive, which is characterized in that the fastener includes interconnecting piece, from the company The elastic arm that is extended to form in plug orientation at left and right sides of socket part, from the weld part of the rearwardly extending formation of the elastic arm, from To the hook part extended to form and the collets being shaped on the interconnecting piece before the elastic arm.

5. positive anti-plug USB plug as claimed in claim 4, which is characterized in that the both lateral sides of the insulating body are additionally provided with The side slot of grafting chamber described in connection, the elastic arm are inserted into from the side slot of the insulating body both lateral sides, and the hook part prolongs It protrudes into the grafting chamber, the interconnecting piece and collets thereon are connected to the folder between a pair of of leg of the conductive terminal It holds in portion and against the rear end of the base portion.

6. positive anti-plug USB plug as claimed in claim 5, which is characterized in that the opposite inside of the pair of leg is additionally provided with Accommodate the groove structure of scolding tin.

7. positive anti-plug USB plug as described in claim 1, which is characterized in that the attachment beam is accommodated in two contact arm Between, the attachment beam rear end is resisted against on the base portion to limit the conductive terminal.

8. positive anti-plug USB plug as claimed in claim 7, which is characterized in that the conductive terminal includes on the outermost side Ground terminal, the power supply terminal between the ground terminal and several signal terminals between the power supply terminal.

9. positive anti-plug USB plug as claimed in claim 8, which is characterized in that the transverse direction of the ground terminal and power supply terminal Thickness is greater than the thickness of the signal terminal.

10. positive anti-plug USB plug as claimed in claim 9, which is characterized in that only setting one contact of the signal terminal Arm.