CN106450919B

CN106450919B - Waterproof USB socket

Info

Publication number: CN106450919B
Application number: CN201610957572.8A
Authority: CN
Inventors: 张少灿; 李鹏; 胡金奎
Original assignee: Shenzhen Everwin Precision Technology Co Ltd
Current assignee: Shenzhen Everwin Precision Technology Co Ltd
Priority date: 2016-10-27
Filing date: 2016-10-27
Publication date: 2019-08-23
Anticipated expiration: 2036-10-27
Also published as: CN106450919A

Abstract

A kind of waterproof USB socket, including insulating body, the conductive terminal being shaped in the insulating body, the metal shell being sheathed on outside the insulating body, the first water proof ring for taking shape in the metal shell front-end edge, the second water proof ring being sheathed between the insulating body and the metal shell and the metal fixing being welded on the outside of the metal shell, the metal shell is using cyclic structure made of punch forming process, riveted seam is formed in the cyclic structure, the riveted seam is sealed processing by spot-welding technology；This Shen has preferable waterproof performance.

Description

Waterproof USB socket

Technical field

This application involves a kind of discrepancy output type electric connector, espespecially a kind of waterproof USB sockets.

Background technique

Micro USB socket is widely used in various industries, and conventional USB socket does not have waterproof performance, and answers some It is more and more for the demand of waterproof in field.

General USB socket needs waterproof, it is necessary first to the waterproof problem of metal shell is solved, and usually metal shell uses Riveted structure, riveting gap can not accomplish waterproof, so, industry mostly uses the gold of powder metallurgical technique manufacture waterproof USB socket Belong to shell, but the metal shell of powder metallurgical technique manufacture is at high cost, it is difficult to provide the powerful market competitiveness.

Summary of the invention

The application's is designed to provide a kind of waterproof USB socket with preferable waterproof performance.

For this purpose, this application provides a kind of waterproof USB socket, including insulating body, it is shaped in the insulating body Interior conductive terminal, takes shape in the first anti-of the metal shell front-end edge at the metal shell being sheathed on outside the insulating body It hydrosphere, the second water proof ring being sheathed between the insulating body and the metal shell and is welded to outside the metal shell The metal fixing of side, the metal shell are the shape in the cyclic structure using cyclic structure made of punch forming process At riveted seam, the riveted seam is sealed processing by spot-welding technology.

Preferably, when the riveted seam carries out spot welding processing, the structure of spot welding head is adapted with the riveted seam, spot welding one The secondary encapsulation process that can be completed to the riveted seam.

Preferably, the insulating body include base portion and from before the base portion to the docking section extended to form, the base portion Periphery offers capillary groove, and the second water proof ring receiving is immobilizated in the capillary groove and is prevented by the metal shell with described Sink clamping.

Preferably, the base portion is equipped with clamping part close to the docking section one side edge, described in the metal shell is corresponding Clamping part has been stamped and formed out downwards holding section, and the rear end of the metal shell extends to form bending and is snapped in the insulating body The hook of base portion end edge hold piece, the holding section will not penetrate the metal shell in punch forming.

Preferably, the metal shell is inserted in from the front end of the insulating body, and the holding section is sticked in the buckle Portion, it is described hook hold piece bending hook hold the insulating body base portion rear end in plug orientation by the metal shell with The insulating body fixing.

Preferably, the base portion tail down has extended to form at least two positioning columns, and the positioning column is first described in Base portion, which extends back, still further below to be extended to form.

Preferably, the conductive terminal includes the contact portion for being exposed to one side in docking section, from the contact portion It extends back and is immobilizated in the holding parts in the base portion of the insulating body and extend simultaneously downward bending from the holding parts rear end The weld part extended to form.

Preferably, first water proof ring is the front outer that the metal shell is taken shape in by integrated molding mode.

Preferably, the metal fixing includes the covering portion for coating and being welded to the top surface of metal shell, from the packet The portion of covering extend back and bending formed shield and sustain the insulating body rear end shield and sustain portion and be formed in the covering portion with it is described Shield and sustain several legs in portion.

Preferably, the recess portion for the buckle structure clasp that the bottom surface of the metal shell is also stamped and formed out and is connected.

Compared with the existing technology, the application waterproof USB socket manufactures the metal shell by punch forming process, and Spot welding processing is carried out at the riveted seam of the metal shell to achieve the effect that waterproof, while reducing the manufacturing cost of product.

Detailed description of the invention

Fig. 1 is the three-dimensional combination figure of the application waterproof USB socket；

Fig. 2 is the stereogram exploded view of the application waterproof USB socket；

Fig. 3 is the stereogram exploded view of another angle of the application waterproof USB socket；

Fig. 4 is the conductive terminal of the application waterproof USB socket and the constitutional diagram of insulating body；

Fig. 5 is cross-sectional view of the application along A-A dotted line shown in Fig. 1.

Specific embodiment

Shown in please referring to Fig.1 to Fig.3, the application waterproof USB socket includes insulating body 30, is shaped in the insulation Conductive terminal 40 in ontology 30, takes shape in the metal shell 11 at the metal shell 11 being sheathed on outside the insulating body 30 First water proof ring 12 of front-end edge, the second water proof ring 50 being sheathed between the insulating body 30 and the metal shell 11, And it is welded to the metal fixing 20 in 11 outside of metal shell.

Please refer to shown in 4, Fig. 5, the insulating body 30 include base portion 31 and before the base portion 31 to extending to form Docking section 32.31 periphery of base portion offers capillary groove 33, and the base portion 31 is equipped with close to 32 one side edge of docking section Clamping part 34,31 tail down of base portion have extended to form at least two positioning columns 35, and the positioning column 35 is first described in Base portion 31 extends back to be extended to form still further below.The conductive terminal 40 includes being exposed to the side of the docking section 32 1 Contact portion 41 extends back and the holding parts being immobilizated in the base portion 31 of the insulating body 30 (are not schemed from the contact portion 41 Show) and extend from the holding parts rear end and the weld part 42 that extends to form of downward bending.The fixed collecting post of the capillary groove 33 The second water proof ring 50 is stated, 50 part of the second water proof ring exceeds outside the capillary groove 33.

It please refers to shown in Fig. 2, Fig. 3, the metal shell 11 is stamping forming cyclic structure, shape in the cyclic structure At the riveted seam 110 for having stamping parts riveting process to leave, the riveted seam 110 is handled by spot-welding technology so that riveted seam 110 are fully sealed and reach the performance of waterproof.In spot welding, the planform of soldering tip is arranged to the riveted seam 110 unanimously, Processing can be completed by a spot welding, substantially reduce the process time of spot welding.The rear end of the metal shell 11 extends shape Piece 111 is held at bending and the hook of 31 end edge of base portion that is snapped in the insulating body 30, described in the metal shell 11 is corresponding The clamping part 34 of the base portion 31 of insulating body 30 has been stamped and formed out holding section 112 downwards, and the holding section 112 is in punch forming The metal shell 11 will not be penetrated.The metal shell 11 is inserted in from the front end of the insulating body 30, the holding section 112 It is sticked in the clamping part 34, the hook holds 111 bending of piece and hooks the rear end for holding the base portion 31 of the insulating body 30 to insert It pulls out and holds the metal shell 11 with the insulating body on direction.Second water proof ring 50 is held on the insulating body Between 30 base portion 31 and the metal shell 11, moisture can be prevented to penetrate.11 bottom of metal shell is also stamped and formed out Recess portion 113, the buckle clamping of the recess portion 113 and docking connector.

First water proof ring 12 is the front outer that the metal shell 11 is taken shape in by integrated molding mode, including Positioned at the annulus 121 of the front outer and the extension 122 of cladding 113 bottom surface of recess portion.

The metal fixing 20 include coat and the covering portion 21 of the top surface that is welded to metal shell 11, from the cladding It shields and sustain portion 22 and is formed in described in 31 rear end of base portion for shielding and sustain the insulating body 30 that portion 21 extends back and bending is formed Covering portion 21 and several legs 23 shielded and sustain in portion 22.

Compared to the prior art, the waterproof USB socket of the application manufactures the metal shell 11 by punch forming process, And spot welding processing is carried out at the riveted seam of the metal shell 11 to achieve the effect that waterproof, while reducing the manufacture of product Cost.

Claims

1. a kind of waterproof USB socket including insulating body, the conductive terminal being shaped in the insulating body, is sheathed on Metal shell outside the insulating body, is sheathed on the insulation at the first water proof ring for taking shape in the metal shell front-end edge The second water proof ring between ontology and the metal shell and the metal fixing being welded on the outside of the metal shell, it is special Sign is, the metal shell is to form riveted seam in the cyclic structure using cyclic structure made of punch forming process, The riveted seam is sealed processing by spot-welding technology；The metal shell bottom also punch forming recess portion, the recess portion with The buckle clamping of docking connector, first water proof ring are the front ends that the metal shell is taken shape in by integrated molding mode Outer rim, including being located at the annulus of the front outer and the extension of the cladding recess portion bottom surface；The riveted seam carries out a little When weldering processing, the structure of spot welding head is adapted with the riveted seam, and spot welding once can be completed at the sealing to the riveted seam Reason.

2. waterproof USB socket as described in claim 1, which is characterized in that the insulating body includes base portion and from the base To the docking section extended to form before portion, the base portion periphery offers capillary groove, and the second water proof ring receiving is immobilizated in described It is clamped in capillary groove and by the metal shell and the capillary groove.

3. waterproof USB socket as claimed in claim 2, which is characterized in that the base portion is close to the docking section one side edge Equipped with clamping part, the metal shell corresponds to the clamping part and has been stamped and formed out holding section, the rear end of the metal shell downwards Extend to form bending and the hook for being snapped in the base portion end edge of the insulating body hold piece, the holding section in punch forming not The metal shell can be penetrated.

4. waterproof USB socket as claimed in claim 3, which is characterized in that the metal shell is before the insulating body End cap enters, and the holding section is sticked in the clamping part, and the hook holds piece bending and hooks the rear end for holding the base portion of the insulating body To which the metal shell and the insulating body be held in plug orientation.

5. waterproof USB socket as claimed in claim 2, which is characterized in that the base portion tail down has extended to form at least Two positioning columns, the positioning column are first to extend back to extend to form still further below from the base portion.

6. waterproof USB socket as claimed in claim 2, which is characterized in that the conductive terminal includes being exposed to the docking The contact portion of one side in portion, extend back from the contact portion and be immobilizated in holding parts in the base portion of the insulating body, And extend the weld part that simultaneously downward bending extends to form from the holding parts rear end.

7. waterproof USB socket as described in claim 1, it is characterised in that: the metal fixing includes coating and being welded to The covering portion of the top surface of metal shell extends back and what bending was formed shields and sustain the insulating body rear end from the covering portion It shields and sustain portion and is formed in the covering portion and several legs shielded and sustain in portion.