CN109687224A

CN109687224A - Electric connector

Info

Publication number: CN109687224A
Application number: CN201910136142.3A
Authority: CN
Inventors: 陈志林; 彭建民
Original assignee: Lotes Guangzhou Co Ltd
Current assignee: Lotes Guangzhou Co Ltd
Priority date: 2018-12-27
Filing date: 2019-02-25
Publication date: 2019-04-26
Anticipated expiration: 2039-02-25
Also published as: CN109687224B; CN109687205B; CN109687205A

Abstract

The invention discloses a kind of electric connectors, to dock a docking connector, comprising: an electrical connection mould group is for electrically connecting to docking connector；One metal-back is set to electrical connection mould group；One insulation crust, it is coated on outside metal-back, and there is a first passage and the second channel after first passage, and a third channel of connection first passage and second channel, at least partly third channel are recessed inwardly relative to first passage and second channel between insulation crust and metal-back.When extraneous steam flows into third channel from first passage, steam is not easy to rise to second channel along third channel, so that extraneous steam can be piled up in the third channel, reduces steam and flow backward, increase the waterproof effect of the electric connector.

Description

Electric connector

[technical field]

The present invention relates to a kind of electric connectors, are related to the electric connector of waterproof more particularly, to a kind of.

[background technique]

A known electric connector is located in an electronic equipment.The electric connector its have an insulating body, the insulation Ontology includes a base portion and the hyoplastron that extends forward from the base portion.Multiple terminals are set to the insulating body and each described There is terminal a contact portion to be revealed in the plate face of the hyoplastron, be for electrically connecting to a docking connector.One masking shell coats institute It states base portion and forms one with the hyoplastron and dock space to accommodate the docking connector, an insulating base is set on the masking shell Outside.With the development of electronic equipment, water-proof function requires increasingly to improve.In the prior art in order to realize water-proof function, in institute It states insulating base and is externally provided with a water proof ring, the water proof ring is to prevent steam from entering the electricity along the outer surface of the insulating base In sub- equipment.

But there can be gap between the masking shell and the insulating base.Steam can be along the masking shell and described Gap between insulating base enters in the electronic equipment, so as to cause the electronic equipment short circuit.

Therefore, it is necessary to a kind of new electric connector be designed, to overcome the above problem.

[summary of the invention]

Creation of the invention, which is designed to provide, has the channel being recessed inwardly between a kind of insulation crust and metal-back, make Extraneous steam is obtained to be not easy to climb backward to improve the electric connector of waterproof effect.

In order to achieve the above object, the present invention adopts the following technical scheme: a kind of electric connector, to dock it is a pair of in succession Connect device, comprising: an electrical connection mould group is for electrically connecting to the docking connector；One metal-back is set to the electrical connection mould Group；One insulation crust is coated on outside the metal-back, and has a first passage between the insulation crust and the metal-back Be located at the second channel after the first passage, and connect the first passage and the second channel a third it is logical Road, at least partly described third channel are recessed inwardly relative to the first passage and the second channel.

Further, the metal-back includes the first shell and a second shell that front and back is arranged, the first shell tool There is a docking part, is arranged with the mould group interval that is electrically connected to form a butt cavity, to accommodate the docking connector, Extend an interconnecting piece backward and towards inner bending from the docking section, extends back a mounting portion from the interconnecting piece, with the electricity It connects mould group to abut, at least partly described second shell is set to outside the mounting portion and is arranged with the interconnecting piece interval.

Further, the insulation crust and the first shell and the second shell integrated injection molding, described first Channel is set between the docking section and the insulation crust, and the second channel is set to the mounting portion and the insulation crust Between, the third channel is set between the second shell and the interconnecting piece.

Further, it is outer and have a fourth lane between the two to be connected to the mounting portion for the second shell, and described Third channel connection, the fourth lane is interior to have waterproof case.

Further, the electrical connection mould group have a water-proof block, be set to the fourth lane rear and with the waterproof case It is integrally formed.

Further, the mounting portion has an opening, the electricity around the electrical connection mould group, the second shell is coated Connecting mould group has a water-proof block, and the water-proof block is located at the rear of the opening.

Further, the first shell is equipped with a notch, and the notch is located at the second channel rear, outside the insulation Shell enters the notch.

Further, the first shell has an extension, is located at the notch rear, and the extension extends described Insulation crust forms Grounding with an outer member.

Further, the electrical connection mould group has an insulating body, and the insulating body includes a base portion and a hyoplastron, institute It states hyoplastron to extend forward from the base portion and be arranged with the base portion in step, the metal-back has the installation to set to the concave Portion is abutted with the base portion, and at least partly described third channel is set between the mounting portion and the insulation crust.

Further, end seat after the insulating body has one is located at the base portion rear and is arranged with the base portion interval, Further there is the electrical connection mould group water-proof block to be set between the base portion and the rear end seat.

Further, multiple terminals be set to the insulating body, the terminal be respectively provided with from front to back a first segment, One second segment and a third section, the first segment are fixed on the base portion and the hyoplastron, and the second segment is all fixed on institute Water-proof block is stated, the third section is fixed on the rear end seat, and there is each first segment a contact portion to be revealed in the hyoplastron Plate face, multiple terminals have a pair of of signal terminal, in a pair of signal terminal, the centers of two contact portions away from Greater than two second segments center away from.

Further, there is each third section a junction to extend the rear end seat, in a pair of signal terminal In, the centers of two junctions away from be greater than the centers of two second segments away from.

Further, the electrical connection mould group has an insulating body and row's terminal set on the insulating body, described Terminal front end has a contact portion and the docking connector in electrical contact, and the terminal rear end has a junction, extends The insulating body electrically conducts with an outer member, and the terminal has the bending part bent downward, is located at the contact Between portion and the junction, the insulating body has multiple limiting grooves, and each limiting groove is located at per adjacent two Between the bending part.

Further, there is a convex block, the bending part is embedded in the convex block between two limiting grooves.

Further, multiple terminals have a pair of of high-speed terminal, in a pair of high-speed terminal, two contacts The center in portion away from be equal to two bending parts center away from.

Further, the electrical connection mould group has interior moulding and is coated on an outer moulding of the interior moulding, institute Multiple terminals of the interior moulding with a tongue piece and the plate face for being revealed in the tongue piece respectively are stated, it is recessed backward from the tongue piece front end The through slot being set between the plate face up and down of the tongue piece connects from the recessed perforation of the plate face of the tongue piece with the through slot It is logical.

Further, the interior moulding has a pedestal, is arranged from the pedestal and the tongue piece in step, the perforation Set on the junction of the tongue piece and the pedestal.

Further, the electrical connection mould group further has a ground strip, is fixed on the pedestal, the ground strip plate face One abutting part of projection, outer moulding coat the pedestal, and the abutting part protrudes from the outer moulding and supports with the metal-back It connects.

Further, there is a water proof ring, the recessed accommodation groove in insulation crust outer surface is described anti-to accommodate limit Hydrosphere has an anti-overflow slot between the accommodation groove and the insulation crust outer surface.

Further, the insulation crust outer surface, the anti-overflow groove bottom, the accommodating groove bottom is in step-like step by step.

Compared with prior art, a kind of electric connector includes: an electrical connection mould group, is for electrically connecting to described be connected Device；One metal-back is set to the electrical connection mould group；One insulation crust is coated on outside the metal-back, and the insulation crust with There is a first passage and the second channel after the first passage, and connection described first between the metal-back One third channel in channel and the second channel, at least partly described third channel is relative to the first passage and described Two channels are recessed inwardly, and when extraneous steam flows into third channel from first passage, steam is not easy to climb along third channel Second channel is risen to, so that extraneous steam can be piled up in the third channel, steam is reduced and flows backward, increase The waterproof effect of the electric connector, and the third channel for the setting that is recessed inwardly simultaneously can extend the flowing road of extraneous steam Diameter, flow path is longer, and extraneous steam is easier to be deposited between insulation crust and metal-back, reduces steam and flows backward, Increase the waterproof effect of the electric connector.

[Detailed description of the invention]

Fig. 1 is the stereogram exploded view of electric connector of the invention；

Fig. 2 is the interior moulding of Fig. 1 and the stereoscopic schematic diagram of outer moulding；

The interior moulding that Fig. 3 is Fig. 2 is along the cross-sectional view of A-A；

The terminal and insulating body that Fig. 4 is Fig. 1 assemble plane schematic diagram；

The partial sectional view for the electrical connection mould group that Fig. 5 is Fig. 1；

The stereoscopic schematic diagram of electrical connection mould group and metal-back that Fig. 6 is Fig. 5；

The electrical connection mould group and metal-back three-dimensional assembly diagram that Fig. 7 is Fig. 6；

Fig. 8 is the stereoscopic schematic diagram of electrical connection mould group and metal-back that insulation crust coats Fig. 6；

The electric connector that Fig. 9 is Fig. 8 is along the cross-sectional view of B-B；

Figure 10 is the partial enlarged view of Fig. 9；

The electric connector that Figure 11 is Fig. 8 is along the cross-sectional view of C-C；

Figure 12 is the partial enlarged view of Figure 11.

The drawing reference numeral of specific embodiment illustrates:

Electric connector 100

It is electrically connected module A

The outer moulding A2 of interior moulding A1

The lower ground strip 1b of abutting part 10 on upper ground strip 1a

Lower abutting part 11

2 first segment of terminal, 21 contact portion 210

22 third section of second segment, 23 bending part 230

Junction 231

3 insulating body 4 of intershield piece

Collets 4b pedestal 40 under upper collets 4a

41 through slot 410 of tongue piece perforation 411

42 press block of end seat, 420 limiting groove 421 afterwards

422 slots of convex block, 43 hyoplastron 44

Base portion 45

Metal-back B

5 butt cavity of first shell, 50 docking section 51

52 mounting portion 53 of interconnecting piece

6 covering part of second shell, 61 end 610

Be open 611 main part, 62 extension 63

Notch 64

The anti-overflow slot 71 of 7 accommodating chamber of insulation crust 70

Accommodation groove 72

Water proof ring 8

Water-proof block 9a waterproof case 9b

Circuit board 200

Ground terminal G difference signal terminal S power supply terminal P

Reserved terminal V low speed terminal D

First passage C1 second channel C2 third channel C3

First part X1 second part X2 Part III X3

Fourth lane C4 Five-channel C5

[specific embodiment]

Purpose, structure, feature and effect to facilitate the understanding of the present invention etc., now in conjunction with attached drawing and specific implementation The invention will be further described for mode.

Referring to Fig. 1, Fig. 7 and Fig. 9, this is an electric connector 100 of the embodiment of the present invention, is installed on an electronic equipment On circuit board 200 in (not shown), the electric connector 100 to a docking connector it is (not shown) electrically cooperate, from And it transmits in signal to the electronic equipment.The electric connector 100 has an electrical connection module A, with the docking connector Electrically cooperation, to transmit signal.The electric connector 100, which also has, to be set to the outer metal-back B of the electrical connection module A and sets In the insulation crust 7 outside the metal-back B.There is the electric connector 100 water proof ring 8 to be set on the insulation crust 7, One water-proof block 9a is set in the electrical connection module A.

Fig. 1 and Fig. 2 are please referred to, the electrical connection module A has the outer moulding A2 of moulding A1 and one in one, the interior note Plastic A1 passes through injection molding for the first time first and is formed, and then the outer moulding A2 passes through second of mould filling and coats in described Moulding A1.

Referring to FIG. 1, Fig. 2 and Fig. 3, the interior moulding A1 have ground strip 1a and once on spaced one up and down Ground strip 1b has two rows terminal 2, terminal described in two rows between the upper ground strip 1a and the lower ground strip 1b There is an intershield piece 3 between 2.The interior moulding A1 also has on one a collets 4a and once collets 4b, it is described on Collets 4a and terminal 2 described in upper row, the upper ground strip 1a is integral by being molded for the first time, at the same time, described lower exhausted Edge block 4b and the intershield piece 3, terminal 2 and lower ground strip 1b described in lower row are molded integral also by first time.

Fig. 3 and Fig. 5 are please referred to, the upper collets 4a is combined with the lower collets 4b or more and cooperatively formed a pedestal 40 With the tongue piece 41 extended forward from the pedestal 40, and formation end seat 42 after the one of 40 rear of pedestal.It is described The thickness of pedestal 40 is greater than the thickness of the tongue piece 41 so that the two is in step-like, the rear end seat 42 and the pedestal 40 interval Setting so that form a slot 43 between the two.From the lower surface projection front two rows press block 420 of the rear end seat 42.It is described 42 rear end of end seat has row's limiting groove 421, the limiting groove 421 table through the upper surface of end seat 42 afterwards and thereafter afterwards Face.It is formed in the rear end seat 42 per two adjacent recessed settings of limiting groove 421 and is located at a convex block 422.

Referring to FIG. 1, Fig. 2 and Fig. 3, from the front end face of the tongue piece 41, a recessed through slot 410, through slot 410 are located at backward Between the plate face up and down of the tongue piece 41 and the rear end of the tongue piece 41 is extended to, from the recessed perforation of the plate face of the tongue piece 41 411, the perforation 411 is located at the tongue piece 41 and is connected with the junction of the pedestal 40 and with the through slot 410.When second When secondary injection molding, the plastic cement of the outer moulding A2 enters the through slot 410 from the front end face of the tongue piece 41, reaches the tongue piece 41 rear end, after whether the plastic cement that can observe the outer moulding A2 from the perforation 411 has arrived at the tongue piece 41 Whether end, the effect for facilitating work-up second of injection molding are good.

Referring to FIG. 1, Fig. 2 and Fig. 9, the upper ground strip 1a are revealed in the upper surface of the pedestal 40, the upper ground connection There are two the upper surfaces that upper abutting part 10 protrudes from the pedestal 40 for piece 1a tool, electrically to abut with the metal-back B.It is described Lower ground strip 1b is revealed in the lower surface of the pedestal 40, and the lower ground strip 1b tool is protruded from there are two the lower abutting part 11 The lower surface of the pedestal 40, electrically to be abutted with the metal-back B.

Referring to FIG. 1, Fig. 2 and Fig. 4, terminal 2 described in two rows corresponds respectively.Terminal 2 described in each row is certainly left To the right it is respectively a ground terminal G, transmits a pair of of difference signal terminal S of USB3.0 signal, a power supply terminal P, a reserved end Sub- V transmits a pair of of the low speed terminal D, a reserved terminal V1, a power supply terminal P of USB2.0 signal, transmits the one of USB3.0 signal To difference signal terminal S, a ground terminal G.

Referring to FIG. 2, Fig. 3 and Fig. 4, each terminal 2 has a first segment 21, extends back from the first segment 21 A second segment 22 and the third section 23 that extends back from the second segment 22.Wherein, the first segment 21 is fixed on institute Pedestal 40 and the tongue piece 41 are stated, and the first segment 21 has a contact portion 210, contact portion 210 described in two rows is distinguished The plate face up and down for being revealed in the tongue piece 41 is contacted with air.In contact portion 210 described in each row, the two neighboring contact portion 210 center is equal away from L1.The second segment 22 be revealed in completely it is described between in slot 43, the third section 23 is fixed on described End seat 42 afterwards, each third section 23 have the bending part 230 extended downwardly, also have from the bending part 230 downwards The junction 231 extended vertically, to be welded with 200 surface of circuit board.In every a pair difference signal terminal S In, the centers of two second segments 22 is away from for L2, and the centers of two bending parts 230 is away from for L3, two junctions 231 center is away from for L4, wherein L2 is less than L1, and L3 is equal to L1, and L4 is equal to L1, and a pair of difference signal terminal S is in different positions It sets, by adjusting center between the two away from carrying out its high frequency performance of adjusting and optimizing so as to adjust its impedance.

Referring to FIG. 1, Fig. 5 and Fig. 7, the terminal 2 is bent into vertical shape by horizontality at the bending part 230 State.The bending part 230 of two rows of terminals 2 forms front two rows setting, wherein the bending part of upper row's terminal 2 230 are located at front row, and the bending part 230 of terminal 2 described in lower row is located at heel row.The junction 231 of two rows of terminals 2 Extend the lower surface of the rear end seat 42, and forms front two rows setting on the lower surface of end seat 42 after described, wherein under The junction 231 for arranging the terminal 2 is located at front row, and the junction 231 of terminal 2 described in upper row is located at heel row.It is each The correspondence of press block 420 compresses the junction 231 downwards, avoids the circuit board 200 to the junction 231 Generating bounce leads to 231 warpage of junction, and the flatness of the welding of the junction 231 is preferably controlled System.

Referring to FIG. 1, Fig. 3 and Fig. 5 is pressed from both sides using positioning mold (not shown) first during being molded first time The two sides for holding each bending part 230 of positioning heel row, being subsequently filled plastic cement, the rear end seat 42 is embedded to fix to be formed The bending part 230.Bending part 230 described in the positioning mold clamping heel row (not shown) avoids it by the rear end seat The impact of 42 plastic cement and shift.The plastic cement of end seat 42 makes way for the positioning mold after described, thus at adjacent two The limiting groove 421 is formed between the bending part 230, each convex block 422 is located at per two adjacent limiting grooves Between 421 and the embedded upper bending part 230 for arranging the terminal 2 is corresponded, is conducive to the terminal 2 end seat after described Fixed effect on 42.

Fig. 2 and Fig. 4 are please referred to, after the upper collets 4a and the lower collets 4b assembling, second is carried out and is molded, The outer moulding A2 fills and coats the tongue piece 41 and forms a hyoplastron 44, and two rows of contact portions 210 are revealed in the tongue The plate face up and down of plate 44, the outer moulding A2 filling and coats the pedestal 40 and forms the base portion 45, but the outer note Plastic A2 does not coat the rear end seat 42.The upper collets 4a, the lower collets 4b and the outer moulding A2 have been formed A whole insulating body 4, the insulating body 4 are respectively the hyoplastron 44 from front to back, are arranged with the hyoplastron 44 in step The base portion 45, it is described after end seat 42.End seat 42 is arranged with the base portion 45 interval after described, have between the two it is described between Slot 43, to accommodate the water-proof block 9a.

Fig. 5 and Fig. 6 are please referred to, the metal-back B has a first shell 5 and a second shell 6, the first shell 5 For the hollow tubular jointless structure of front and back opening, can be formed by way of being drawn.The first shell 5 is pacified from front to back Loaded on base portion 45, the second shell 6 is installed on the first shell 5 from top to bottom.

Referring to FIG. 6, Fig. 7 and Fig. 9,5 front end of first shell has a docking part 51, and the docking section 51 is in ellipse Shape, around the hyoplastron 44 and 45 front end of the base portion and with the hyoplastron 44 and the setting of 45 front interval of the base portion to shape Chamber 50 is connect in a pair, and to accommodate the docking docking connector, the hyoplastron 44 extends anteriorly out the butt cavity 50.

Referring to FIG. 6, Fig. 7 and Fig. 9 bends inwards from the docking section 51 extends an interconnecting piece 52, from the interconnecting piece 52 One mounting portion 53 of horizontal extension backward, the outer surface of the mounting portion 53 and the outer surface of the docking section 51 are arranged at step. The mounting portion 53 is electrically supported around the surrounding for abutting the base portion 45, and with the upper abutting part 10 and the lower abutting part 11 It connects.

Referring to FIG. 6, Fig. 7 and Fig. 9, the second shell 6 is set to outside the mounting portion 53 and between the interconnecting piece 52 Every setting.6 front end of second shell has a covering part 61, and the covering part 61 covers top and the institute of the mounting portion 53 53 left and right sides of mounting portion is stated, the two can be fixed by spot welding, but other fixed forms also can be used, as long as making described Covering part 61 is fixed on the mounting portion 53.The covering part 61 has two ends 610 of left and right, two ends 610 Between be not connected with, therefore an opening 611 is formed between described two ends 610, the mounting portion 53 is revealed in described In opening 611, the water-proof block 9a is located at the rear of the opening 611.Shape between the covering part 61 and the mounting portion 53 At fourth lane a C4, the fourth lane C4 with it is described between slot 43 be connected to, positioned at the front of the water-proof block 9a.

Referring to FIG. 6, Fig. 7 and Fig. 8, the first shell 5 further includes a main part 62, after the covering part 61 Side, the main part 62 be covered in it is described between slot 43 top and it is described after end seat 42 top, and with it is described after end seat 42 block Hold fixation.Extend an extension 63 separately down from 62 two sides of main part, it is in electrical contact with the intershield piece 3 and with The circuit board 200 forms Grounding.Two extensions 63 are covered each by the two sides of the rear end seat 42.The extension Form a notch 64 between portion 63 and the covering part 61, two notches 64 be located at it is described between slot 43 two sides.

Referring to FIG. 7, Fig. 8 and Fig. 9, is mounted on the insulation originally for the first shell 5 and the second shell 6 After body 4, then pass through third time injection molding one insulation crust 7 of formation.The plastic cement of the insulation crust 7 coats the entire first shell 5, other than in addition to part, the extension 63 extends the insulation crust 7 and outside 200 earth-continuity of circuit board, remaining institute Second shell 6 is stated to be coated by the plastic cement of the insulation crust 7, the plastic cement of the insulation crust 7 do not enter it is described between slot 43, but The plastic cement of the insulation crust 7 is filled into two notches 64, thus formed it is described between slot 43 left and right sidewall.

Referring to FIG. 9, Figure 10 and Figure 11, even if the metal-back B and the insulation crust 7 pass through third time integrated through injection molding Molding, but between the insulation crust 7 and the metal-back B or can have gap, extraneous steam can pass through this Gap enters in the electronic equipment.Gap between the docking section 51 and the insulation crust 7 forms a first passage C1. Gap between 61 outer surface of covering part and the insulation crust 7 forms a second channel C2.The first shell 5, institute It states second shell 6 and third channel C3 is collectively formed in the insulation crust 7, wherein the third channel C3 is by a first part X1, a second part X2 and a Part III X3 are constituted, and the first part X1 is by the insulation crust 7 and the interconnecting piece 52 Between gap formed, second part by between the second shell 6 and the covering part 61 mounting portion 53 with it is described Gap between insulation crust 7 is formed, the Part III X3 by the covering part 61 front end face and the insulation crust 7 it Between gap formed.The third channel C3 connection first passage C1 and second channel C2, and can by Figure 10 and Figure 12 observes that the first part X1 is that inside turnover extends, and the Part III X3 is that outside turnover extends, this is allowed for There are two turning points for the third channel C3 tool, are conducive to extend the path of the third channel C3, when extraneous steam passes through When the first passage C1 enters the third channel C3, the path of the third channel C3 is longer, and extraneous steam is not allowed more Easily enter the second channel C2, enters in the electronic equipment to effectively reduce extraneous steam, increase the electrical connection The waterproof effect of device 100.The Part III X3 is that outside turnover extends simultaneously, and extraneous steam is not easy along described the Three parts X3 climbs outward, so that extraneous steam stops in the third channel C3.The second part X2 is opposite In the first passage C1 and second channel C2 in being recessed inwardly, when extraneous steam flows into institute from the first passage C1 When stating third channel C3, steam is not easy to rise to the second channel C2 along the third channel C3, so that extraneous water Vapour can be piled up in the second part X2, reduce extraneous steam and flow backward, increase the waterproof effect of the electric connector 100 Fruit.

Figure 10 and Figure 11 are please referred to, the second part X2 is connected to the fourth lane C4, due to the fourth lane The rear of C4 has the water-proof block 9a, is also possible to prevent extraneous steam and flows backward, increases the anti-of the electric connector 100 Water effect.Referring to Fig. 9, also there is a Five-channel C5 between the first shell 5 and the insulation crust 7, the described 5th Channel C 5 by it is described opening 611 with it is described between slot 43 be connected to, water-proof block 9a is located at the rear of the second channel C2, with to prevent Sealing vapour flows backward, increases the waterproof effect of electric connector 100 described in waterproof.

Referring to FIG. 8, Fig. 9 and Figure 11, the insulation crust 7 forms an accommodating chamber 70, ring in 51 front end of docking section Around the hyoplastron 44, the accommodating chamber 70 is connected to the butt cavity 50.When the docking connector grafting is into the electrical connection When device 100, the docking connector initially enters the accommodating chamber 70, then enters back into the butt cavity 50.

Fig. 1 and Figure 12 are please referred to, the outer surface of the insulation crust 7 is recessed to be located at the outer anti-overflow slot 71 of the accommodating chamber 70 With from one water proof ring 8 of injection molding in the anti-overflow recessed accommodation groove 72 in 71 bottom surface of slot, Yu Suoshu accommodation groove 72, to prevent Extraneous steam enters in the electronic equipment from the outer surface of the insulation crust 7.The outer surface of the insulation crust 7, institute The bottom surface of anti-overflow slot 71 and the bottom surface of the accommodation groove 72 are stated, this three is in step-like step by step.The anti-overflow slot 71 is to prevent For the water proof ring 8 during injection molding, the plastic cement of water proof ring 8 is spilled over to the outer surface of the insulation crust 7.

Referring to FIG. 9, Figure 10 and Figure 12 utilizes a gum forming work after third time injection molding completes insulation crust 7 Skill by marine glue be filled into it is described between in slot 43, marine glue forms the water-proof block 9a, the second segment in slot 43 between described 22 are all embedded in the water-proof block 9a.Since slot 43 is connected to the fourth lane C4 between described, marine glue is between described Slot 43 enters in the fourth lane C4, forms a waterproof case 9b to prevent steam from flowing backward and increases the electric connector 100 waterproof effect.

In conclusion electric connector of the invention has the advantages that

1, the third channel C3 connection first passage C1 and second channel C2, the first part X1 be to Interior turnover extends, and the Part III X3 is that outside turnover extends, this, which allows for the third channel C3, has there are two turning point, It is conducive to extend the path of the third channel C3, when extraneous steam enters the third channel by the first passage C1 When C3, the path of the third channel C3 is longer, and extraneous steam is less susceptible to enter the second channel C2, thus effectively It reduces extraneous steam to enter in the electronic equipment, increases the waterproof effect of the electric connector 100.

2, the Part III X3 is that outside turnover extends, extraneous steam be not easy along the Part III X3 to It climbs outside, so that extraneous steam stops in the third channel C3.

3, the second part X2 works as the external world relative to the first passage C1 and second channel C2 in being recessed inwardly Steam when flowing into the third channel C3 from the first passage C1, steam is not easy to rise to along the third channel C3 The second channel C2 allows extraneous steam to be piled up in the second part X2, reduces extraneous steam and flows backward, Increase the waterproof effect of the electric connector 100.

4, from the front end face of the tongue piece 41, a recessed through slot 410, through slot 410 are located at the upper and lower plates of the tongue piece 41 backward Between face and the rear end of the tongue piece 41 is extended to, from the recessed perforation 411 of the plate face of the tongue piece 41, the perforation 411 It is connected in the tongue piece 41 with the junction of the pedestal 40 and with the through slot 410.When being molded for second, the outer note The plastic cement of plastic A2 enters the through slot 410 from the front end face of the tongue piece 41, reaches the rear end of the tongue piece 41, wears described in Whether the plastic cement that hole 411 can observe the outer moulding A2 has arrived at the rear end of the tongue piece 41, facilitates work-up second Whether the effect of secondary injection molding is good.

5, in every a pair difference signal terminal S, away from for L2, two described curved for the centers of two second segments 22 The center of folding part 230 is away from for L3, and the centers of two junctions 231 is away from for L4, wherein L2 is less than L1, and L3 is equal to L1, L4 etc. In L1, a pair of difference signal terminal S in different location, by adjust center between the two away from, so as to adjust its impedance, Carry out its high frequency performance of adjusting and optimizing.

6, marine glue forms the water-proof block 9a between described in slot 43, and the second segment 22 is all embedded in the waterproof In block 9a.Since slot 43 is connected to the fourth lane C4 between described, marine glue slot 43 between described enters the fourth lane In C4, a waterproof case 9b is formed to prevent steam from flowing backward and increases the waterproof effect of the electric connector 100.

Detailed description above is only the explanation of the preferred embodiments of the invention, the scope of the patents that is non-therefore limiting to the present invention, So all, with this creation specification and diagramatic content institute, equivalence techniques change for it, are both contained in the scope of the patents of this creation It is interior.

Claims

1. a kind of electric connector, to dock a docking connector characterized by comprising

One electrical connection mould group, is for electrically connecting to the docking connector；

One metal-back is set to the electrical connection mould group；

One insulation crust is coated on outside the metal-back, and has one first to lead between the insulation crust and the metal-back Road and the second channel after the first passage, and a third of the connection first passage and the second channel Channel, at least partly described third channel are recessed inwardly relative to the first passage and the second channel.

2. electric connector as described in claim 1, it is characterised in that: the metal-back includes the first shell that front and back is arranged With a second shell, the first shell has a docking part, is electrically connected the setting of mould group interval with described to form a pair Chamber is connect, to accommodate the docking connector, extends an interconnecting piece backward and towards inner bending from the docking section, from the connection Portion extends back a mounting portion, abuts with the mould group that is electrically connected, at least partly described second shell is set to outside the mounting portion And it is arranged with the interconnecting piece interval.

3. electric connector as claimed in claim 2, it is characterised in that: the insulation crust and the first shell and described the Two shell integrated injection moldings, the first passage are set between the docking section and the insulation crust, the second channel Between the mounting portion and the insulation crust, the third channel be set to the second shell and the interconnecting piece it Between.

4. electric connector as claimed in claim 2, it is characterised in that: it is outer and two that the second shell is connected to the mounting portion There is a fourth lane between person, be connected to the third channel, there is waterproof case in the fourth lane.

5. electric connector as claimed in claim 4, it is characterised in that: the electrical connection mould group has a water-proof block, is set to institute It states fourth lane rear and is integrally formed with the waterproof case.

6. electric connector as claimed in claim 2, it is characterised in that: the mounting portion, which is surround, coats the electrical connection mould group, The second shell has an opening, and the electrical connection mould group has a water-proof block, after the water-proof block is located at the opening Side.

7. electric connector as claimed in claim 2, it is characterised in that: the first shell is equipped with a notch, the notch position In the second channel rear, the insulation crust enters the notch.

8. electric connector as claimed in claim 7, it is characterised in that: the first shell has an extension, is located at described Notch rear, the extension extend the insulation crust, form Grounding with an outer member.

9. electric connector as described in claim 1, it is characterised in that: the electrical connection mould group has an insulating body, described Insulating body includes a base portion and a hyoplastron, and the hyoplastron extends forward from the base portion and is arranged with the base portion in step, The metal-back has the mounting portion to set to the concave, abuts with the base portion, and at least partly described third channel is set to described Between mounting portion and the insulation crust.

10. electric connector as claimed in claim 9, it is characterised in that: end seat after the insulating body has one is located at described Base portion rear and it is arranged with the base portion interval, the electrical connection mould group further has a water-proof block set on the base portion and institute It states between rear end seat.

11. electric connector as claimed in claim 10, it is characterised in that: multiple terminals are set to the insulating body, institute State terminal and be respectively provided with a first segment, a second segment and a third section from front to back, the first segment be fixed on the base portion and The hyoplastron, the second segment are all fixed on the water-proof block, the third section be fixed on it is described after end seat, each described the One section there is a contact portion to be revealed in the hyoplastron plate face, and multiple terminals have a pair of of signal terminal, in a pair of letter In number terminal, the centers of two contact portions away from be greater than the centers of two second segments away from.

12. electric connector as claimed in claim 11, it is characterised in that: there is each third section a junction to extend End seat after described, in a pair of signal terminal, the center of two junctions is away from greater than two second segments The heart away from.

13. electric connector as described in claim 1, it is characterised in that: the electrical connection mould group has an insulating body and sets In row's terminal of the insulating body, the terminal front end has a contact portion and the docking connector in electrical contact, institute Terminal rear end is stated with a junction, extends the insulating body and electrically conducts with an outer member, the terminal with to One bending part of lower bending, between the contact portion and the junction, the insulating body has multiple limiting grooves, often One limiting groove is located between per two adjacent bending parts.

14. electric connector as claimed in claim 13, it is characterised in that: have a convex block, institute between two limiting grooves Bending part is stated to be embedded in the convex block.

15. electric connector as claimed in claim 13, it is characterised in that: multiple terminals have a pair of of high-speed terminal, In a pair of high-speed terminal, the centers of two contact portions away from be equal to the centers of two bending parts away from.

16. electric connector as described in claim 1, it is characterised in that: the electrical connection mould group has interior moulding and cladding In an outer moulding of the interior moulding, the interior moulding has a tongue piece and the plate face for being revealed in the tongue piece respectively Multiple terminals, from a tongue piece front end recessed through slot between the plate face up and down of the tongue piece backward, from the tongue piece Plate face it is recessed one perforation, be connected to the through slot.

17. electric connector as claimed in claim 16, it is characterised in that: the interior moulding has a pedestal, from the base Seat is arranged with the tongue piece in step, and the perforation is set to the junction of the tongue piece and the pedestal.

18. electric connector as claimed in claim 17, it is characterised in that: the electrical connection mould group further has a ground connection Piece, is fixed on the pedestal, one abutting part of ground strip plate face projection, and outer moulding coats the pedestal, the abutting part The outer moulding is protruded to abut with the metal-back.

19. electric connector as described in claim 1, it is characterised in that: further there is a water proof ring, outside the insulation crust The recessed accommodation groove in surface has between the accommodation groove and the insulation crust outer surface to accommodate the limit water proof ring There is an anti-overflow slot.

20. electric connector as claimed in claim 19, it is characterised in that: the insulation crust outer surface, the anti-overflow slot bottom Face, the accommodating groove bottom is in step-like step by step.