CN108123277B

CN108123277B - Electrical connector

Info

Publication number: CN108123277B
Application number: CN201611069474.7A
Authority: CN
Inventors: 赵俊
Original assignee: Foxconn Kunshan Computer Connector Co Ltd; Foxconn Interconnect Technology Ltd
Current assignee: Foxconn Kunshan Computer Connector Co Ltd; Foxconn Interconnect Technology Ltd
Priority date: 2016-11-29
Filing date: 2016-11-29
Publication date: 2019-12-27
Anticipated expiration: 2036-11-29
Also published as: TWI738865B; TW201830790A; CN108123277A

Abstract

An electric connector comprises an insulating body, two rows of conductive terminals which are respectively fixed on the insulating body and a shielding shell which is coated outside the insulating body, wherein a shell and a waterproof gasket which is sleeved in front of the insulating shell are arranged outside the shielding shell, a glue wall is formed at the rear end point of the electric connector, the waterproof gasket is close to one end of the shielding shell, the end of the shielding shell is embedded and supported on the inner wall of the shell, the outer wall of the shielding shell is mutually attached and matched with the inner wall of the shell, and the inner wall of the waterproof gasket is close to one side of the insulating shell or the outer wall of the shielding shell and at least one of the inner walls of the shell are concavely provided with a abdicating groove so as to enable the waterproof gasket to be.

Description

Electrical connector

[ technical field ] A method for producing a semiconductor device

The present invention relates to an electrical connector, and more particularly to an electrical connector suitable for positive and negative insertion.

[ background of the invention ]

Referring to the chinese utility model No. CN204167590, a waterproof socket connector capable of being inserted forward and backward is disclosed. The electric connector comprises an insulating body, two rows of conductive terminals arranged on the insulating body and a metal inner shell sleeved outside the insulating body. The shielding shell is externally coated with an insulating shell. And a waterproof ring is annularly arranged on the outer wall of the front port of the insulating shell. The inner wall of the waterproof ring is smoothly attached to the outside of the insulating shell, and the outer wall of the waterproof ring is convexly provided with a plurality of annular convex edges.

However, a small gap exists between the insulating shell and the metal inner shell, and during the tail dispensing process of the electric connector, due to the capillary phenomenon, glue flows to the interface end along the gap during dispensing and is accumulated, so that the assembly of the waterproof gasket of the interface end is influenced.

Therefore, there is a need to provide a new electrical connector to overcome the above-mentioned drawbacks.

[ summary of the invention ]

The invention aims to provide an electric connector which is glue overflow-proof and has a good waterproof effect.

The purpose of the invention is realized by the following technical scheme: an electric connector comprises an insulating body, two rows of conductive terminals which are respectively fixed on the insulating body and a shielding shell which is coated outside the insulating body, wherein a shell and a waterproof gasket which is sleeved in front of the insulating shell are arranged outside the shielding shell, a glue wall is formed at the rear end point of the electric connector, the waterproof gasket is close to one end of the shielding shell, the end of the shielding shell is embedded and supported on the inner wall of the shell, the outer wall of the shielding shell is mutually attached and matched with the inner wall of the shell, and the inner wall of the waterproof gasket is close to one side of the insulating shell or the outer wall of the shielding shell and at least one of the inner walls of the shell are concavely provided with a abdicating groove so as to enable the waterproof gasket to be.

Furthermore, the waterproof gasket is embedded and supported on the inner wall of the shell, the part of the waterproof gasket is provided with a joint butt with the outer edge of the inner wall of the shell and a joint butt with the inner edge of the outer wall of the shielding shell, and the abdicating groove is formed in the waterproof gasket which is embedded and supported on the inner wall of the shell and formed between the shielding shells.

Furthermore, the receding groove is communicated with a gap between the shielding shell and the shell so as to accommodate waterproof materials flowing down from the shielding shell and the insulating shell during dispensing.

Further, the shell is an insulating shell, the insulating shell comprises a main body portion, an annular portion is arranged on the outer wall of the butt joint port of the main body portion, and the waterproof gasket is abutted to the inside of the annular portion.

Furthermore, a front end wall which forms an annular wall shape in the up-down direction is arranged at the butt joint port of the insulating shell, and the annular part is arranged on the outer side of the front end wall.

Further, the front end wall front surface is smoothly arranged.

Furthermore, through holes which are communicated with the front end, the rear end, the left end and the right end are formed in two sides of the annular part, protruding parts which are formed by extending outwards are arranged on two sides of the waterproof gasket, the protruding parts are clamped in the through holes, and the front ends of the protruding parts are clamped in front of the through holes.

Furthermore, two sides of the waterproof gasket are provided with supporting parts which are positioned at the rear ends of the protruding parts and extend backwards to form, and the supporting parts are clamped behind the through holes.

Furthermore, the insulating body comprises a first insulating body and a second insulating body which respectively hold the two rows of conductive terminals, the electric connector further comprises a reinforcing piece arranged between the first insulating body and the second insulating body, the rear end of the reinforcing piece is provided with a fixing part and a through hole arranged on the fixing part, the rear end of the first insulating body is provided with a through hole, and the rear end of the second insulating body is provided with a buckling part which penetrates through the through hole to be accommodated and clamped in the through hole.

Furthermore, the rear end of the shielding shell is provided with a third fixing leg which is formed by bending and extending downwards, the rear end of the third fixing leg is provided with a step part, the fixing part of the reinforcing piece is attached to the lower surface of the rear end of the first insulating body, and the step part is abutted to the fixing part.

Compared with the prior art, the invention has the following beneficial effects: according to the electric connector, the back end in the waterproof gasket is concavely provided with the ring of the abdicating groove, a fine gap is formed between the insulating shell and the shielding shell, and in the tail dispensing process of the electric connector, due to the capillary phenomenon, glue flows to the abdicating groove of the interface end along the gap during dispensing, so that the waterproof gasket is not interfered with overflowed glue during assembling, and poor sealing effect caused by assembling displacement is avoided.

[ description of the drawings ]

Fig. 1 is a perspective assembly view of a first embodiment of an electrical connector according to the present invention.

Fig. 2 is a perspective assembly view of fig. 1 viewed from another direction.

Fig. 3 is a partially exploded perspective view of the first embodiment of the electrical connector of the present invention with the waterproof gasket removed.

Fig. 4 is a partially exploded perspective view of fig. 3 viewed from another direction.

Fig. 5 is a further exploded perspective view of fig. 3.

Fig. 6 is an exploded perspective view of fig. 5 viewed from another direction.

Fig. 7 is a partially exploded perspective view of the insulative housing and conductive terminals of the first embodiment of the electrical connector of the present invention.

Fig. 8 is a partially exploded perspective view of fig. 7 viewed from another direction.

Fig. 9 is a cross-sectional view of the first embodiment of the electrical connector of the present invention taken along line a-a of fig. 1.

Fig. 10 is a cross-sectional view of a second embodiment of the electrical connector of the present invention.

Fig. 11 is a cross-sectional view of a third embodiment of the electrical connector of the present invention.

[ description of main reference symbols ]

Electrical connector 100, 100' insulating body 1

First insulating body 11 first base 111

The first tongue plate 112 has a first connecting portion 113

Platform 114 opening 115

First bump 116 protrusion 117

Through hole 118 abutment 119

Second base 121 of second insulating body 12

Second tongue plate 122 second connecting part 123

Right angle portion 125 of side portion 124

The second protrusion 127 of the locking part 126

Third insulating body 13 of buckling part 128

Third base 131 and third tongue 132

Hollow 133 holding groove 134

Conductive terminal 2 first terminal 21

First contact portion 211 first welding portion 212

Second contact portion 221 of second terminal 22

Second weld 222 reinforcement 3

Through-hole 30 first support part 31

Second support part 32 and third connecting part 33

Solder fillet 34 fixing part 35

Perforated 36 glue wall 4

Shielding shell 5 top wall 51

Bottom wall 52 first fixing foot 521

Second fixing foot 531 of side wall 53

Extension wall 54 third fixing leg 541

Step 542 insulating housing 6

Main body 61 of container 60

Front end wall 611 positioning arm 62

Through hole 631 of annular portion 63

Water-proof gasket 7 relief groove 70, 64', 55 "

Convex part 71 abutting part 72

Outer edge 73 inner edge 74

Ribs 75

The following detailed description will further illustrate the invention in conjunction with the above-described figures.

[ detailed description ] embodiments

Hereinafter, a first embodiment of the electrical connector 100 of the present invention will be described with reference to fig. 1 to 9. The port where the electrical connector 100 is plugged with a plug connector is defined as a plugging end. And defining a butt joint direction, a transverse direction and a vertical direction perpendicular to the butt joint direction and the transverse direction, wherein the plane of the butt joint direction and the transverse direction forms a horizontal plane.

Referring to fig. 1 to 8, an electrical connector 100 of the present invention includes an insulating housing 1, a conductive terminal 2 held in the insulating housing 1, a stiffener 3 installed in the insulating housing 1, a glue wall 4 formed at a rear end of the insulating housing 1, a shielding shell 5 covering the insulating housing 1, an insulating shell 6 covering the shielding shell 5, and a waterproof gasket 7 covering a port of the insulating shell 6.

Referring to fig. 5 to 8, the insulation body 1 includes a first insulation body 11, a second insulation body 12 and a third insulation body 13 which are integrally formed. The first insulating body 11 includes a first base 111 and a first tongue plate 112 extending forward from the first base 111. The first base 111 includes a platform 114 extending horizontally and a first connecting portion 113 extending forward from the platform 114 and connected to the first tongue plate 112. The platform portion 114 is opened with an opening 115 to expose a portion of the conductive terminal 2. The first tongue plate 112 has a plurality of first protrusions 116 protruding from the upper surface thereof, and a plurality of protrusions 117 protruding from the front end of the lower surface thereof. The first base 111 has through holes 118 formed on both sides thereof and extending vertically therethrough, and abutting portions 119 formed on both side edges thereof. The second insulating body 12 includes a second base 121 and a second tongue plate 122 extending forward from the second base 121. The second base 121 has a second connecting portion 123 formed by extending obliquely and connected to the second tongue plate 122. The second connecting portion 123 includes a pair of side portions 124 disposed at both sides and clamping the first connecting portion 113 of the first insulating body 11, and a pair of right-angled portions 125 disposed at the top of the side portions 124. Referring to fig. 5, the right angle portion 125 engages with two corners of the front end of the platform portion 114. The front end of the second tongue plate 122 is provided with a buckling part 126 buckled with the protrusion 117, and the lower surface of the second tongue plate is provided with a plurality of second bumps 127. The rear end of the second base 121 is provided with a buckling part 128 correspondingly matched with the through hole 118. The third insulating body 13 includes a third base 131 and a third tongue plate 132 extending forward from the third base 131. The third tongue plate 132 has a hollow portion 133 for accommodating the first tongue plate 112 and the second tongue plate 122, and holding grooves 134 at two sides. The first, second, and third susceptors 111, 121, and 131 may be collectively referred to as a susceptor. The first tongue plate 112, the second tongue plate 122 and the third tongue plate 132 may be collectively referred to as tongue plates.

The conductive terminals 2 include first terminals 21 held on the first insulating body 11 and second terminals 22 held on the second insulating body 12. The first terminal 21 includes a first contact portion 211 exposed on the upper surface of the first tongue plate 112 and a first soldering portion 212 extending outward from the bottom of the first base 111 of the insulating housing 1. The second terminal 22 includes a second contact portion 221 exposed on the lower surface of the second tongue plate 122 and a second soldering portion 222 extending out of the second insulating body 12. The first terminals 21 and the second terminals 22 on both sides are respectively exposed from the tongue-side edge portions.

The first terminals 21 and the second terminals 22 are symmetrically distributed along a central axis extending in the front-rear direction, and respectively include four power terminals protruding forward and eight terminals located at later positions. Two power terminals on either side are used for ground, while two power terminals in the middle are used to provide power. The eight terminals at the later positions comprise four high-speed differential terminals at two sides of the row, two low-speed differential terminals at the center and two control terminals at two sides of a pair of differential terminals in the row. The first contact portion 211 of the first terminal 21 and the second contact portion 221 of the second terminal 22 are vertically disposed in correspondence, and the first soldering portion 212 of the first terminal 21 and the second soldering portion 222 of the second terminal 22 are respectively located on the same plane. Therefore, the first contact portion 211 and the second contact portion 221 of the electrical connector 100 can be electrically connected with the corresponding contact portions of the mating connector in a correct and aligned manner regardless of the forward or reverse insertion of the mating connector.

Referring to fig. 7 and 8, the stiffener 3 includes a first supporting portion 31 held between the first tongue plate 112 of the first insulating body 11 and the second tongue plate 122 of the second insulating body 12, a second supporting portion 32 disposed between the first base 111 and the second base 121, and a third connecting portion 33 connecting the first supporting portion 31 and the second supporting portion 32. The middle of the third connecting portion 33 is opened with a through hole 30 for accommodating the opposite surface contact of the first insulating body 11 and the second insulating body 12. The rear end of the second supporting portion 32 is bent downward to form a pair of solder tails 34. A fixing portion 35 is disposed behind the solder leg 34 and is sandwiched between the first base 111 and the second base 121. Referring to fig. 4, the fixing portion 35 is provided with a through hole 36 for receiving the fastening portion 128 of the insulating body 1 to pass through and be received in the through hole 118, so that the first insulating body 11, the second insulating body 12 and the reinforcement 3 are stably fixed.

Referring to fig. 4 to 9, the glue wall 4 is formed by filling glue into the insulating body 1 and then wrapping the conductive terminal 2 to expose the opening 115, so as to fill the gap of the insulating body 1, thereby sealing the gap between the third base 131 of the insulating body 1 and the shielding shell 5.

Referring to fig. 1 to 6, the butt frame opening of the shielding shell 5 is a rounded rectangle, and includes a top wall 51 and a bottom wall 52 disposed opposite to each other, and a pair of side walls 53 connecting the top wall 51 and the bottom wall 52. The top wall 51 is formed with an extension wall 54 extending rearward. The rear end of the bottom wall 52 is provided with a first fixing leg 521 bent and extended upwards. The pair of sidewalls 53 are provided with second fixing legs 531 formed to extend inward. The first fixing leg 521 and the extension wall 54 are higher than the top wall 51, and both sides of the extension wall 54 are provided with third fixing legs 541 formed by bending and extending downwards. The third fixing legs 541 extend along the mating direction and clamp both sides of the first base 111 of the first insulating body 11 in the transverse direction. The rear end of the third fixing leg is provided with a step part 542. Referring to fig. 2, the fixing portion 35 of the reinforcement 3 is attached to the lower surface of the first base 111 of the insulating body 1, and the step portion 542 abuts against the fixing portion 35, and referring to fig. 3, the abutting portion 119 of the insulating body 1 abuts against the rear end of the extending wall 54, so as to reinforce and fix the shielding shell 5, the reinforcement 3, and the insulating body 1.

Referring to fig. 1 to 9, the insulating housing 6 includes a cylindrical main body 61 and a pair of positioning arms 62 extending horizontally outward from two sides of the main body 61. The body 61 has a front end wall 611 and an annular portion 63. The annular portion 63 is larger than the port of the body portion 61 and forms a receiving portion 60 with the front end wall 611 of the body portion 61. Through holes 631 communicating the front, rear, left and right ends are formed at both sides of the ring portion 63. The through hole is communicated with the accommodating portion 60. The rear port of the main body 61 is a rectangular frame, so that the second base 121 of the insulating body 1 is clamped inside the main body 61, and the rear port of the main body 61 is completely sealed by the glue wall 4, so as to fill the gap between the insulating body 1 and the insulating housing 6.

The waterproof gasket 7 is in a circular ring shape, and a plurality of edge parts are convexly arranged on the outer surface of the waterproof gasket to interfere with the butting connector to enhance the waterproof effect. The two sides of the waterproof gasket 7 are provided with a convex part 71 formed by extending outwards and a propping part 72 formed by extending backwards and arranged at the rear end of the convex part 71. The waterproof gasket 7 is sleeved on the insulating shell 6 and accommodated in the accommodating part 60 of the insulating shell 6, so that the waterproof gasket 7 accommodated in the accommodating part 60 is abutted against the outer edge 73 of the inner wall of the insulating shell 6 and abutted against the inner edge 74 of the outer wall of the shielding shell 5, and in the application, a rib 75 which protrudes into the accommodating part 60 and is close to the front end wall 611 is formed between the outer edge 73 and the inner edge 74 of the waterproof gasket 7. Referring to fig. 1 and 2, after the waterproof gasket 7 is sleeved on the insulating housing 6, the protrusion 71 is engaged with the through hole 631, the front end of the protrusion is engaged with the through hole 631, and the abutting portion 72 is engaged with the through hole, so that the waterproof gasket 7 is stably mounted on the insulating housing 6. Referring to fig. 4 and 9, the waterproof gasket 7 is recessed at the rear end thereof with a ring of relief grooves 70. There is tiny space between insulating casing 6 and the shielding casing 5, and at electric connector 100 afterbody point glue in-process, because capillary phenomenon, glue was followed during the point glue the space flows to the groove of stepping down 70 to the interface end to guarantee that waterproof gasket 7 does not interfere with the glue that overflows when the equipment, avoid the equipment to shift and cause sealed effect not good. In other embodiments, the insulating housing 6 may be replaced by a metal shell, and collectively referred to as a housing.

Referring to fig. 10, in the second embodiment, the electrical connector 100 'is substantially identical to the electrical connector 100, the waterproof gasket 7 is no longer provided with a relief groove, and the main body 61 is recessed with a relief groove 64' located in front of the front end wall 611. The notch of the avoiding groove 64' faces the outer surface of the shielding shell 5 on one side and faces the waterproof gasket 7 on the other side. There is tiny space between insulating casing 6 and the shielding casing 5, and at electric connector 100 afterbody point glue in-process, because capillary phenomenon, glue was followed during the point glue the space flows to the groove of stepping down 64' to the interface end to do not interfere with the glue that overflows when guaranteeing waterproof gasket 7 in the equipment, avoid the equipment to shift and cause sealed effect not good.

Referring to fig. 11, in the third embodiment, the electrical connector 100 ″ is substantially identical to the electrical connector 100, and the insulation housing 6 is not provided with the relief grooves, but the shielding shell 5 is provided with a plurality of relief grooves 55 ″ on the outer wall thereof. In the tail dispensing process, due to the capillary phenomenon, glue flows to the receding groove 55 'of the interface end along the gap during dispensing, so that the waterproof gasket 7' is prevented from interfering with overflowed glue during assembling, and poor sealing effect caused by assembling displacement is avoided.

The above description is only a part of the embodiments of the present invention, and not all embodiments, and any equivalent variations of the technical solutions of the present invention, which are made by those skilled in the art through reading the present specification, are covered by the claims of the present invention.

Claims

1. The utility model provides an electric connector, includes insulator, respectively the fixing in insulator's two rows of conductive terminals and cladding are in the outer casing that shields of insulator, shield the outer shell that is equipped with of casing and cover and establish waterproof gasket before the shell, the rear end of shell extends backward shield the rear end edge of casing, the electric connector rear end point is glued and is formed with the glue wall, the week side of glue wall pastes the inner wall in the shell, its characterized in that: the waterproof gasket is close to shield casing one end inlay establish support hold in on the shell inner wall, shield the outer wall of casing with the inner wall of shell is laminating cooperation each other, waterproof gasket inner wall is close to shell one side or shield the outer wall of casing with at least one of them recess of inner wall of shell is equipped with the groove of stepping down, makes it and waterproof gasket interval certain distance.

2. The electrical connector of claim 1, wherein: the waterproof gasket is embedded and supported on the inner wall of the shell, the part of the waterproof gasket is provided with a joint butt against the outer edge of the inner wall of the shell and a joint butt against the inner edge of the outer wall of the shielding shell, and the abdicating groove is formed in the waterproof gasket which is embedded and supported on the inner wall of the shell and formed between the shielding shells.

3. The electrical connector of claim 1, wherein: the receding groove is communicated with a gap between the shielding shell and the shell so as to accommodate waterproof materials flowing down from the shielding shell and the shell during dispensing.

4. The electrical connector of claim 1, wherein: the shell is an insulating shell, the insulating shell comprises a main body part, an annular part is arranged on the outer wall of the butt joint port of the main body part, and the waterproof gasket is abutted to the inside of the annular part.

5. The electrical connector of claim 4, wherein: the insulating housing butt joint port department is equipped with the front end wall that forms annular wall form in the upper and lower direction, annular portion locates the front end wall outside.

6. The electrical connector of claim 5, wherein: the front surface of the front end wall is smoothly arranged.

7. The electrical connector of claim 4, wherein: the waterproof gasket is characterized in that through holes communicated with the front end, the rear end, the left end and the right end are formed in two sides of the annular part, protruding parts formed by extending outwards are arranged on two sides of the waterproof gasket, the protruding parts are clamped in the through holes, and the front end of the waterproof gasket is clamped in front of the through holes.

8. The electrical connector of claim 7, wherein: and two sides of the waterproof gasket are provided with supporting parts which are positioned at the rear ends of the protruding parts and extend backwards, and the supporting parts are clamped behind the through holes.

9. The electrical connector of claim 1, wherein: the electric connector also comprises a reinforcing piece arranged between the first insulating body and the second insulating body, the rear end of the reinforcing piece is provided with a fixing part and a through hole arranged on the fixing part, the rear end of the first insulating body is provided with a through hole, and the rear end of the second insulating body is provided with a buckling part which penetrates through the through hole to be accommodated and clamped in the through hole.

10. The electrical connector of claim 9, wherein: the rear end of the shielding shell is provided with a third fixing leg which is formed by bending and extending downwards, the rear end of the third fixing leg is provided with a step part, the fixing part of the reinforcing piece is attached to the lower surface of the rear end of the first insulating body, and the step part is abutted against the fixing part.