CN106848671A

CN106848671A - Electric connector

Info

Publication number: CN106848671A
Application number: CN201710023526.5A
Authority: CN
Inventors: 范俊
Original assignee: Qidong Qianshuo Electronic Co Ltd
Current assignee: Qidong Qianshuo Electronic Co Ltd
Priority date: 2017-01-12
Filing date: 2017-01-12
Publication date: 2017-06-13

Abstract

The invention discloses a kind of electric connector, including insulating body and the terminal being retained on insulating body, the insulating body has matrix and protrudes out the butt joint body of matrix, and the terminal has the holding parts being retained on matrix, the contact site that convexedly stretches on butt joint body and extends weld part outside matrix；Nanometer thin film layer is formed with the butt joint body of the insulating body and the contact site of terminal.Nanometer thin film layer is coated with by the butt joint body of electric connector, to prevent the liquid residues such as synthetic perspiration, oil droplet on butt joint body, relatively existing electric connector can prevent the short-circuit of terminals, burn machine equivalent risk.

Description

Electric connector

Technical field

The present invention relates to a kind of electric connector, more particularly to a kind of electric connector of signal transmission.

Background technology

Connector plays very important effect in existing electronic mobile device field, is mainly used in two kinds of electronics movements and sets Signal transmission (such as data-signal or power supply signal are transmitted) between standby, and the R＆D direction of existing connector has towards miniaturization And the direction that data are quickly transmitted is developed.

In addition, as consumer is to the demand of electronic mobile device, in field of connectors is minimized quick charge into It is main trend, but equally brings the common fault that mobile terminal interface is difficult to resolve, the connector of such as prior art includes insulator, is retained on Conducting terminal and shielding casing on insulator, conducting terminal have fixing holding parts on insulator, are protruded out from holding parts Contact site and extension weld part, the shielding casing enclosed and is located at insulator outside and is formed with interface frame, mating frame, and contact site is protruded into In the interface frame, mating frame, for butt connector grafting.Sometimes in the case of connector not grafting butt connector, because of the connection The interface frame, mating frame of device is set outwardly, so the liquid substances such as water droplet or greasy dirt are easily stained with interface frame, mating frame, and the liquid substance will Adjacent terminal connection conducting, is susceptible to short circuit, or even burning machine phenomenon occurs, and brings unfavorable consequence.

Therefore, regarding to the issue above, it is necessary to design a kind of electric connector to overcome drawbacks described above.

The content of the invention

It is an object of the invention to provide a kind of electric connector for preventing short-circuit burning machine.

To realize object defined above, the present invention is adopted the following technical scheme that：A kind of electric connector, including insulating body and fixing Terminal on insulating body, the insulating body has matrix and protrudes out the butt joint body of matrix, and the terminal has fixing Holding parts on matrix, convexedly stretch in the contact site on butt joint body and extend weld part outside matrix；The insulating body Nanometer thin film layer is formed with the contact site of butt joint body and/or terminal.

As a further improvement on the present invention：The nanometer thin film layer is formed using plasma technology.

As a further improvement on the present invention：The fluid contact surface formed on the contact site of butt joint body or terminal is more than 120 degree of pearlitic textures at angle.

As a further improvement on the present invention：The electric connector has further included intermediate plate, the insulating body tool There are the first noumenon and the second body, the terminal has with the integrally formed the first terminal of the first noumenon and with the second body integrally The Second terminal of shaping, i.e., described the first noumenon and the first terminal form structure and are referred to as first assembly, second body and the Two-terminal forms structure and is referred to as the second component, and intermediate plate is held on first assembly interior, formation sandwich knot with the second component Structure.

As a further improvement on the present invention：The intermediate plate is set in a pair of separated, respectively positioned at the both sides of buttcover plate End, and it is provided with the pin for extending.

As a further improvement on the present invention：The first noumenon has several grooves, and the intermediate plate has multiple logical Hole, the second body has the multiple protruded into the through hole of intermediate plate and the groove of the first noumenon raised.

As a further improvement on the present invention：Second body also has the through hole that protrudes into intermediate plate and is fastened in the A pair of clasp arms in the groove of one body, and a pair of clasp arms are located at the rear side of the first noumenon.

As a further improvement on the present invention：The insulating body has further included insulator, the first assembly, After intermediate plate and the clamping combination of the second component, then formed with insulator integrated injection molding, form the 3rd component.

As a further improvement on the present invention：The electric connector further includes to cover the screening on the outside of insulating body Housing, iron-clad leg and plastic parts are covered, the iron-clad leg is formed with plastic parts integrated injection molding, and be set in the outer of shielding casing Side.

As a further improvement on the present invention：The electric connector is provided with the liquid-state silicon gel being molded on plastic parts front end.

As a further improvement on the present invention：The electric connector is provided with the epoxy resin being molded on rear side of matrix.

The present invention had the advantages that, nanometer is coated with by the butt joint body of electric connector or the contact site of terminal Film layer, to prevent the liquid residues such as synthetic perspiration, oil droplet on the contact site of butt joint body or terminal, relatively existing electric connector The short-circuit of terminals can be prevented, machine equivalent risk is burnt.

Brief description of the drawings

Fig. 1 is the schematic perspective view of electric connector of the present invention；

Fig. 2 is another angle schematic diagram shown in Fig. 1；

Fig. 3 is the decomposing schematic representation of electrical connector portions structure shown in Fig. 1；

Fig. 4 is the schematic perspective view of the component of insulating body the 3rd shown in Fig. 3；

Fig. 5 is another angle schematic diagram shown in Fig. 4；

Fig. 6 is the decomposition view of part-structure shown in Fig. 4；

Fig. 7 is the shaping schematic diagram that liquid is located on butt joint body.

Specific embodiment

Refer to shown in Fig. 1 to 3, be a kind of electric connector 100 disclosed in embodiment of the present invention, it includes insulation Body 1, the multiple terminals 2 being retained on insulating body 1, the shielding casing 3 being retained on insulating body, iron-clad leg 4 and modeling Glue part 5.The iron-clad leg 4 is formed with the integrated injection molding of plastic parts 5, and is set in the outside of shielding casing 3.

The insulating body 1 has matrix 11 and protrudes out the butt joint body 12 of matrix, and the terminal 2 has and is retained on matrix On holding parts, convexedly stretch in the contact site 21 on butt joint body and extend weld part 22 outside matrix；The shielding casing 3 encloses and sets In the outside of the butt joint body 12, docking chamber 10 is formed with, in embodiments of the present invention, in the butt joint body of the insulating body 1 12 and/or terminal 2 contact site 21 on be formed with nanometer thin film layer, to prevent the liquid residues such as synthetic perspiration, oil droplet in docking On body, prevent the short-circuit of terminals, burn machine phenomenon.In the present embodiment, it is coated with the contact site of the butt joint body and terminal and is received Rice film layer, certainly, also can be coated with nanometer thin film layer on butt joint body or on the contact site of terminal can solve the above problems.

Referring again to shown in Fig. 3 to Fig. 6, in the present embodiment, that the electric connector 100 represents is a kind of Type C Connector, the electric connector 100 has further included intermediate plate 6, and the intermediate plate is set in a pair, respectively positioned at buttcover plate Two side ends；The insulating body 1 has the first noumenon 101, the second body 102 and insulator 103, so the first noumenon 101 has There are the first matrix and the first butt joint body, similarly, so the second body 101 has the second matrix and the second butt joint body；The terminal 2 With with the integrally formed the first terminal 201 of the first noumenon 101 and with the integrally formed Second terminal 202 of the second body 102, will The first noumenon 101 is referred to as first assembly A, second body 102 and second after being formed with the integrated injection molding of the first terminal 201 The integrated injection molding of terminal 202 is referred to as the second component B after being formed, and first assembly A and the second component B clamp in it intermediate plate 6, shape Into sandwich structure.

The intermediate plate 6 is stamped to form by metallic sheet material, and the intermediate plate 6 is with flat part 60, positioned at flat part front end Clamping part 61 and the pin 62 being mountable on circuit board that extends back, bending S-shaped portion 63 in the middle of the flat part 60, to increase Intermediate plate 6 and the first noumenon 101, the combination stability of the second body 102, the clamping part 61 are located at the docking section of insulating body Two side ends, increase with the bond strength of butt connector, prevent butt connector from departing from docking chamber 10.

The first noumenon 101 has several grooves 104 and is protruded into down in the second body recess in the first butt joint body Locating dowel (not shown), the flat part 60 of the intermediate plate 6 has multiple through holes 64, and wherein a through hole is worn for locating dowel Cross；Second body 102 have in other through holes 64 for protruding into intermediate plate jointly with the groove 104 of the first noumenon 101 in it is convex 105 are played with locating dowel 106, the clasp arm 107 for protruding into the through hole 64 of intermediate plate and being fastened in the groove of the first noumenon 101； Described raised 105 is tapered with the end of locating dowel 106, is beneficial to raised 105 and can guide the first noumenon 101 and is connected with intermediate plate 6 Onto the second body 102, three is positioned together, the clasp arm 107 is located at the two side ends of the second matrix, and end in Hook-type, so that the clasp arm 107 can be by the first noumenon 101 and the clasp of intermediate plate 6 together, to facilitate the insulator 103 integrated injection molding is formed again with first assembly A, the component B of intermediate plate 6 and second, referred to as the 3rd component C.

The first terminal 201 is with the first contact site 2011 on the first butt joint body of the first noumenon 101 and prolongs The first welding foot 2012 for stretching out, and the first welding foot is in that horizontal plane is installed on circuit boards (not shown), the Second terminal 202 have the second contact site 2021 being located on the second butt joint body of the second body 201 and the second welding foot 2022 for extending, And first welding foot 2012 and the second welding foot 2022 in be staggered (shown in ginseng Fig. 2).

Referring again to shown in Fig. 3, the 3rd component C is assembled on shielding casing 3, and by the component C of shielding casing 3 and the 3rd Together fixing is assembled on plastic parts 5 and iron-clad leg 4, and iron-clad leg 4 has holding board 41 and extends from holding board Installation foot 42, the holding board is provided with multiple perforation 43 and the bending part 44 positioned at downside bending, in the iron-clad leg 4 and modeling When glue part 5 is integrally formed, the perforation 43 can increase the bond strength of iron-clad leg and plastic parts, and installation foot 42 with bending part 44 Bend outwardly, to be installed on circuit board.

Referring again to shown in Fig. 2 and Fig. 3, in the present embodiment, the electric connector 100 is provided with and is molded over plastic parts 5 Liquid-state silicon gel 7 and the epoxy resin 8 that is molded on matrix 11, in present embodiment electric connector 100 and butt connector pair When connecing, the liquid-state silicon gel 7 can be conducive to blocking in the cooperation gap of two connectors with butt connector shell interference engagement, Play waterproof effect；The epoxy resin 8 is in a liquid state and pours into the rear side of matrix, between salable electrical connector interior structure between Gap, to prevent the liquid such as water drop or greasy dirt from entering in electronic equipment, reduces the generation of short circuit phenomenon.

Referring again to shown in Fig. 7, above-mentioned nanometer thin film layer is to be formed in the right of insulating body 1 using plasma technology On the contact site 21 of junctor 12 and terminal 2, and the fluid contact surface set on butt joint body 12 forms the pearl more than 120 degree of angles Shape structure, i.e., with the upper surface 121 of butt joint body as contact surface, the tangent line of the opposite side of liquid 110 being formed on butt joint body with should The angle of contact surface is in 120 degree, and relatively existing electric connector is easy to liquid to slide.

Claims

1. a kind of electric connector, including insulating body and the terminal being retained on insulating body, the insulating body have matrix And the butt joint body of matrix is protruded out, the terminal has the holding parts being retained on matrix, the contact site convexedly stretched on butt joint body And extend weld part outside matrix；It is characterized in that：Formed on the butt joint body of the insulating body and/or the contact site of terminal There is nanometer thin film layer.

2. electric connector according to claim 1, it is characterised in that：The nanometer thin film layer uses plasma technology shape Into.

3. electric connector according to claim 1, it is characterised in that：The liquid formed on the contact site of butt joint body or terminal Body contact surface is more than 120 degree of pearlitic textures at angle.

4. electric connector according to claim 3, it is characterised in that：The electric connector has further included intermediate plate, The insulating body has the first noumenon and the second body, the terminal have with the integrally formed the first terminal of the first noumenon and With the integrally formed Second terminal of the second body, i.e., described the first noumenon and the first terminal form structure and are referred to as first assembly, institute State the second body and be referred to as the second component with Second terminal formation structure, and be held on for intermediate plate with the second component by first assembly It is interior, form sandwich structure.

5. electric connector according to claim 4, it is characterised in that：The intermediate plate is set in a pair of separated, respectively position In the two side ends of buttcover plate, and it is provided with the pin for extending.

6. electric connector according to claim 5, it is characterised in that：The first noumenon has several grooves, it is described in Between plate there are multiple through holes, the second body has the multiple protruded into the through hole of intermediate plate and the groove of the first noumenon raised.

7. electric connector according to claim 6, it is characterised in that：Second body also have protrude into intermediate plate Through hole and a pair of clasp arms being fastened in the groove of the first noumenon, and a pair of clasp arms are located at the rear side of the first noumenon.

8. electric connector according to claim 4, it is characterised in that：The insulating body has further included insulator, After the clamping combination of the first assembly, intermediate plate and the second component, then formed with insulator integrated injection molding, form the 3rd Component.

9. electric connector according to claim 1, it is characterised in that：The electric connector has further included to cover exhausted The shielding casing of edge outer body, iron-clad leg and plastic parts, the iron-clad leg is formed with plastic parts integrated injection molding, and is set in The outside of shielding casing.

10. electric connector according to claim 9, it is characterised in that：The electric connector is provided with before being molded over plastic parts Liquid-state silicon gel on end.

11. electric connectors according to claim 9, it is characterised in that：The electric connector is provided with and is molded over matrix rear side Epoxy resin.