CN205303812U - Electric connector - Google Patents

Abstract

The utility model discloses an electric connector, it has forward an open -ended butt joint chamber, electric connector includes the terminal module, sets up annular sealing piece and cover on the terminal module are established terminal module this outer somatic part, the terminal module includes insulator and is fixed in a plurality of conductive terminal of insulator. The terminal module is provided with the equipment extremely behind the sealing member this somatic part so that the sealing member is firmly sealed insulator with clearance between this somatic part. The first fender wall and the second fender wall that set up around insulator has, and be located first, second keeps off annular between the wall groove of moulding plastics, the sealing member injection moulding be in mould plastics in the groove. Insulator is equipped with first, the second that are located the groove both sides of moulding plastics and keeps off the wall for it is lower to being arranged in at the required precision of the mould of groove injection moulding sealing member of moulding plastics.

Description

Electric connector

[technical field]

This utility model relates to a kind of electric connector, particularly relates to a kind of electric connector with water-proof function.

[background technology]

Along with the development of electronic product, consumer is more and more higher to the requirement of electronic product water resistance, thus the water resistance of the electric connector as transmission data is proposed higher challenge. In order to reach better waterproof effect, prior art generally adopts directly at the sealing member of the peripheral surface injection mo(u)lding ring-type of the plastic body being fixed with conducting terminal, then the plastic body forming annular seal is interfered the performance being assembled to a metal shell and reach to improve waterproof. But, in Practical Project operation, the required precision of mould is higher, namely only produce the higher mould of precision and can produce the product meeting requirement.

Therefore, it is desirable to design a kind of novel electric connector to improve the problems referred to above.

[utility model content]

Technical problem to be solved in the utility model is in that to provide a kind of electric connector, and this electric connector has water-proof function and the required precision of mould is not high.

For solving the problems referred to above, this utility model can adopt the following technical scheme that a kind of electric connector, it has the docking chamber to open front, described electric connector includes terminal module, it is arranged on the lip ring on described terminal module and is set in the body outside described terminal module, described terminal module includes insulating body and is fixed on some conducting terminals of described insulating body, described terminal module is assembled to described body after being provided with described sealing member so that described sealing member seals up the gap between described insulating body and described body, described insulating body has the first retaining wall and the second retaining wall that front and back are arranged, and it is positioned at described first, annular injection slot between second retaining wall, described sealing member injection mo(u)lding is in described injection slot.

Further, described insulating body has relative front end face and rear end face, and described sealing member is between described front end face and rear end face, and the described body part part in the front end face front of described insulating body forms described docking chamber.

Further, described injection slot has the inner surface of annular, and described first, second retaining wall has the outer surface of annular, the overall outer surface lower than described first, second retaining wall of the inner surface of described injection slot.

Further, described sealing member part is positioned at described injection slot, and part protrudes out the outer surface of described first, second retaining wall, and described body has the internal face surrounding described terminal module, and described sealing member is interfered fixing with the internal face of described body.

Further, the exposed sealing member cladding being injection-moulded in described injection slot in described injection slot of described conducting terminal, this sealing member is coated with described conducting terminal and seals up the gap between described conducting terminal and insulating body.

Further, described first retaining wall and/or the second retaining wall are provided with terminal fixing grooves, described conducting terminal have be fixed on described insulating body fixed part, extend forwardly to the contact site in described docking chamber from described fixed part and extend the connecting portion of described insulating body from described fixed part, described fixed part part is arranged in described fixing groove, and partial denudation is coated with by described sealing member in described injection slot.

Further, described sealing member has the outer surface of annular, and the outer surface of described sealing member has the protuberance of annular and recess and makes the outer surface of described sealing member is wavy.

Further, the inner surface of described body is provided with stop part, and the front end face of described insulating body is resisted against described stop part.

Further, described body is plastic body or metal shell, and described sealing member is injection molded by elastomeric material.

Further, described electric connector is audio connector.

Compared with prior art, this utility model has the advantages that insulating body is provided with first, second retaining wall of injection slot both sides to being used in injection slot, the required precision of the mould of injection mo(u)lding sealing member is relatively low.

[accompanying drawing explanation]

Fig. 1 is the axonometric chart of this utility model electric connector.

Fig. 2 is the axonometric chart of another angle of electric connector shown in Fig. 1.

Fig. 3 is the three-dimensional exploded view of electric connector shown in Fig. 1.

Fig. 4 is the axonometric chart of the terminal module of electric connector shown in Fig. 3.

Fig. 5 is the axonometric chart being injection molded with sealing member on terminal module shown in Fig. 4.

Fig. 6 is the sectional view shown in Fig. 2 along line A-A.

[detailed description of the invention]

Referring to Fig. 1 to Fig. 3, this utility model provides a kind of electric connector 100, and this electric connector 100 has water-proof function, its can be audio connector or other any one be suitable for adopting the adapter of corresponding construction of the present utility model.

Described electric connector 100 has the docking chamber 20 to open front, and this electric connector 100 includes terminal module 10, the lip ring 3 being arranged on described terminal module 10, the body 4 being set in outside described terminal module 10, be arranged on the rubber ring 5 of the front end peripheral surface of described body 4 and be arranged on the installation pad 6 of described body 10 side. Described terminal module 10 includes insulating body 1 and is fixed on some conducting terminals 2 of described insulating body 1. Described body 4 is substantially in a cylindrical shape, and it can be the plastic body being made up of plastic material or the metal shell being made up of metal material.

In conjunction with Fig. 6, described insulating body 1 has relative front end face 14 and rear end face 15, and described sealing member 3 is between described front end face 14 and rear end face 15, and the part in front end face 14 front that described body 4 is positioned at described insulating body 1 forms described docking chamber 20.Described conducting terminal 2 has the fixed part 23 being fixed on described insulating body 1, extend forwardly to described docking chamber 20 from described fixed part 23 contact site 21 and the connecting portion 22 extending described insulating body 1 from described fixed part 23.

Referring to Fig. 3 and Fig. 4, described insulating body 1 has the first retaining wall 11 and the second retaining wall 12 that front and back are arranged and the annular injection slot 30 between described first, second retaining wall 11,12. Described insulating body entirety is substantially H-shaped, specifically, described injection slot 30 has the inner surface 301 of annular, described first, second retaining wall 11,12 is respectively provided with the outer surface 110,120 of annular, and inner surface 301 entirety of described injection slot 30 is lower than the outer surface 110,120 of described first, second retaining wall 11,12. Described first retaining wall 11 and/or the second retaining wall 12 are provided with terminal fixing grooves 13, described some conducting terminals 2 assemble and are fixed in described fixing groove 13, fixed part 23 part of described some conducting terminals 2 is arranged in described fixing groove 13, and partial denudation is in described injection slot 30.

Refer to Fig. 5 and Fig. 6, described sealing member 3 is made in described injection slot 30 for encapsulant injection mo(u)lding, described sealing member 3 is poured in described injection slot 30 by materials such as rubber and is formed, and the sealing member 3 after molding is coated with the fixed part 23 of described some conducting terminals 2 and seals up the gap between described conducting terminal 2 and insulating body 1. Described sealing member 3 part is positioned at described injection slot 30, part protrudes out the outer surface 110,120 of described first, second retaining wall 11,12, this sealing member 3 has the outer surface of annular, and the outer surface of described sealing member 3 has the protuberance 31 of annular and recess 32 and makes the outer surface of described sealing member 3 is wavy.

Described body 4 has relative open front (sign) and after-opening (sign), the open front of described body 4 is described docking chamber 20 opening forward, and described sealing member 3 is just together assembled to described body 4 from back to front after being molded over described terminal module 10. Described body 4 has the internal face 41 surrounding described terminal module 10, and described sealing member 3 is interfered fixing with the internal face 41 of described body 4, and makes described sealing member 3 seal up the gap between described insulating body 1 and body 4. Further, the internal face 41 of described body 4 is provided with stop part 42, and the front end face 14 of described insulating body 1 is resisted against described stop part 42.

Present embodiment is this utility model better embodiment, certainly, this utility model may be used without other embodiments, such as, described some conducting terminals 2 can also with described insulating body 1 integrated injection molding, but the insulating body after molding to leave certain filling gap, this filling gap communicates with described injection slot 30, it is ensured that the fixed part 23 of encapsulant and described conducting terminal 2 is fully contacted and seals the gap between described conducting terminal 2 and described insulating body 1. Other embodiments no longer repeat one by one herein.

Claims (10)

1. an electric connector, it has the docking chamber to open front, described electric connector includes terminal module, it is arranged on the lip ring on described terminal module and is set in the body outside described terminal module, described terminal module includes insulating body and is fixed on some conducting terminals of described insulating body, described terminal module is assembled to described body after being provided with described sealing member so that described sealing member seals up the gap between described insulating body and described body, it is characterized in that: described insulating body has the first retaining wall and the second retaining wall that front and back are arranged, and it is positioned at described first, annular injection slot between second retaining wall, described sealing member injection mo(u)lding is in described injection slot.

2. electric connector as claimed in claim 1, it is characterized in that: described insulating body has relative front end face and rear end face, described sealing member is between described front end face and rear end face, and the described body part part in the front end face front of described insulating body forms described docking chamber.

3. electric connector as claimed in claim 1, it is characterised in that: described injection slot has the inner surface of annular, and described first, second retaining wall has the outer surface of annular, the overall outer surface lower than described first, second retaining wall of the inner surface of described injection slot.

4. electric connector as claimed in claim 3, it is characterized in that: described sealing member part is positioned at described injection slot, and part protrudes out the outer surface of described first, second retaining wall, described body has the internal face surrounding described terminal module, and described sealing member is interfered fixing with the internal face of described body.

5. electric connector as claimed in claim 1, it is characterized in that: the exposed sealing member cladding being injection-moulded in described injection slot in described injection slot of described conducting terminal, this sealing member is coated with described conducting terminal and seals up the gap between described conducting terminal and insulating body.

6. electric connector as claimed in claim 5, it is characterized in that: described first retaining wall and/or the second retaining wall are provided with terminal fixing grooves, described conducting terminal have be fixed on described insulating body fixed part, extend forwardly to the contact site in described docking chamber from described fixed part and extend the connecting portion of described insulating body from described fixed part, described fixed part part is arranged in described fixing groove, and partial denudation is coated with by described sealing member in described injection slot.

7. electric connector as claimed in claim 1, it is characterised in that: described sealing member has the outer surface of annular, and the outer surface of described sealing member has the protuberance of annular and recess and makes the outer surface of described sealing member is wavy.

8. electric connector as claimed in claim 2, it is characterised in that: the inner surface of described body is provided with stop part, and the front end face of described insulating body is resisted against described stop part.

9. electric connector as claimed in claim 1, it is characterised in that: described body is plastic body or metal shell, and described sealing member is injection molded by elastomeric material.

10. electric connector as claimed in claim 1, it is characterised in that: described electric connector is audio connector.