CN108270107B

CN108270107B - Electrical connector

Info

Publication number: CN108270107B
Application number: CN201611259732.8A
Authority: CN
Inventors: 刘德科; 胡军华; 许志清
Original assignee: Foxconn Kunshan Computer Connector Co Ltd; Hongteng Precision Technology Co Ltd
Current assignee: Foxconn Kunshan Computer Connector Co Ltd; Hongteng Precision Technology Co Ltd
Priority date: 2016-12-30
Filing date: 2016-12-30
Publication date: 2021-04-20
Anticipated expiration: 2036-12-30
Also published as: CN108270107A; TW201841431A

Abstract

The utility model provides an electric connector, its include insulator and accept in terminal module in the insulator, terminal module including accept in a plurality of conductive terminal in the insulator and fixed conductive terminal's plastic piece, the plastic piece is equipped with preceding terminal surface, preceding terminal surface includes first step face and second step face, the second step face is compared in first step face and inwards caves in, conductive terminal includes the contact site with the butt joint connector butt joint, the contact site moves along certain motion trail when with the butt joint connector butt joint, first step face and second step face set up in on the extension line of the motion trail of contact site.

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 with a terminal module.

[ background of the invention ]

In the prior art, please refer to chinese patent No. CN103457093A, which includes an insulating body, a terminal module housed in the insulating body, and a shielding shell covering the insulating body, wherein the terminal module includes a conductive terminal housed in the insulating body and a plastic block for fixing the conductive terminal. In the process of butting the conductive terminal with the butting connector, the butting contact part of the conductive terminal and the butting connector is stressed to rotate, the front end of the plastic block needs to avoid the rotating contact part, and the total length of the assembled conductive terminal and the plastic block needs to be calculated according to the longest length of the conductive terminal during movement.

[ summary of the invention ]

The invention aims to provide a miniaturized electric connector.

In order to solve the technical problem, the invention provides an electric connector, which comprises an insulating body and a terminal module contained in the insulating body, wherein the terminal module comprises a plurality of conductive terminals contained in the insulating body and a plastic block for fixing the conductive terminals, the plastic block is provided with a front end face, the front end face comprises a first step face and a second step face, the second step face is inwards recessed compared with the first step face, the conductive terminals comprise contact parts butted with a butting connector, the contact parts move along a certain movement track when being butted with the butting connector, and the first step face and the second step face are arranged on an extension line of the movement track of the contact parts.

Further, conductive terminal still includes the fixed part and connects the contact site with the connecting portion of fixed part, the contact site slope sets up, works as when the contact site atress clockwise motion, the free end of contact site is close to in proper order first step face and second step face, the contact site is in the motion process, the free end of contact site does not contact first step face and second step face.

Furthermore, the plastic block further comprises terminal fixing grooves formed by inwards recessing the front end face and a partition wall positioned between the two adjacent terminal fixing grooves, and the first step face and the second step face are arranged on the partition wall.

Furthermore, the partition wall includes a separation wall clamped between the two adjacent terminal fixing grooves and a blocking wall extending forward from the front end of the separation wall, the left and right edges of the blocking wall protrude from the left and right edges of the separation wall, and the first step surface and the second step surface are disposed on the blocking wall.

Furthermore, the blocking wall further comprises an inclined surface connecting the first step surface and the second step surface.

Furthermore, the terminal module further comprises a circuit board arranged above the plastic block, and the conductive terminals are electrically connected with the circuit board.

Furthermore, the electric connector further comprises a shielding shell coated outside the insulating body, wherein a part of the shielding shell is bent inwards to form a propping arm, and the propping arm is propped against the circuit board to realize electric contact.

Furthermore, the shielding shell comprises a left side wall and a right side wall, and the abutting arm is formed by bending the side walls partially inwards.

Furthermore, the abutting arm is positioned between the circuit board and the plastic block.

Furthermore, two sides of the plastic block are respectively sunken inwards to form two abdicating gaps and two positioning blocks, the supporting arm comprises a front part and a root part, the front part of the supporting arm is clamped between the circuit board and the positioning blocks, and the root part of the supporting arm is positioned between the circuit board and the abdicating gaps.

Compared with the prior art, the first step surface and the second step surface are arranged on the front end surface of the plastic block, and the second step surface is recessed inwards compared with the first step surface, so that the total length of the conductive terminal and the plastic block after assembly is effectively reduced, and the overall miniaturization requirement of the electric connector is met.

[ description of the drawings ]

Fig. 1 is a perspective assembly view of the electrical connector of the present invention.

Fig. 2 is another angular view of fig. 1.

Fig. 3 is a partially exploded view of the electrical connector shown in fig. 1.

Fig. 4 is a further exploded view of the electrical connector shown in fig. 3.

Fig. 5 is another angular view of fig. 4.

Fig. 6 is a further exploded view of the electrical connector shown in fig. 4.

Fig. 7 is an enlarged view of an exploded view of the terminal module of fig. 6.

Fig. 8 is a further exploded view of the electrical connector shown in fig. 4.

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

Fig. 10 is a cross-sectional view of the electrical connector of fig. 1 taken along line B-B.

[ description of main element symbols ]

Accommodating cavity 10 of insulating body 1

Bottom terminal groove 111 of electrical connector 100

Rear terminal groove 112 first rear end face 12

Positioning hole 14 of lamp slot 13

The upper abutting wall 15 receives the notch 16

Terminal module 2 conductive terminal 21

Elastic contact portion 211 fixing portion 212

Connecting part 213 plastic block 22

Front end face 220 upper portion 221

Ear 2211 rear 2212

Front 2214 of accommodating cavity 2213

Positioning block 2216 abdication notch 2217

Base 222 positioning portion 223

Terminal fixing groove 225 of limiting part 224

First step surface 2261 of partition wall 226

Inclined surface 2263 of second step surface 2262

Retaining wall 2264 separating wall 2267

Circuit board 23 coil 231

Fixing hole 232 limiting hole 234

[ detailed description ] embodiments

Referring to fig. 1 to 8, an electrical connector 100 according to the present invention includes an insulative housing 1, a terminal module 2 received in the insulative housing 1, an LED lamp 3 received in the insulative housing 1, and a shielding shell 4 covering the insulative housing 1. Referring to fig. 1, the mating direction of the electrical connector 100 in fig. 1 is the front-back direction, the left-right direction perpendicular to the mating direction is the horizontal direction, and the up-down direction perpendicular to the mating direction is the vertical direction.

Referring to fig. 6 to 8, the terminal module 2 includes conductive terminals 21 accommodated in the insulating housing 1, a plastic block 22 for fixing the conductive terminals 21, and a circuit board 23 disposed above the plastic block 22. The conductive terminal 21 includes a contact portion 211 for mating with a mating connector (not shown), a fixing portion 212 fixed in the plastic block 22, and a connecting portion 213 for connecting the contact portion 211 and the fixing portion 212. In the preferred embodiment, the plane of the fixing portion 212 is perpendicular to the plane of the circuit board 23, the plane of the connecting portion 213 is parallel to the plane of the circuit board 23, the contact portion 211 extends obliquely upward, and the included angle between the contact portion 211 and the connecting portion 213 is an acute angle.

The plastic block 22 includes a base 222, an upper portion 221 extending upward from the base 222, and a position-limiting portion 224 extending upward from the upper portion 221. The upper portion 221 includes two ears 2211 on both sides, a front portion 2214 and a rear portion 2212 connecting the two ears 2211, and a receiving cavity 2213 surrounded by the ears 2211, the front portion 2214 and the rear portion 2212. The two ear portions 2211 are respectively and partially recessed inward to form two abdicating notches 2217 and two positioning blocks 2216. In this embodiment, in the left-right direction, the two abdicating notches 2217 are not in the same line, and the structure is more stable by using a dislocation manner. In other embodiments, the two relief notches 2217 may be arranged on the same line. In the left-right direction, left and right edges of the two ear portions 2211 protrude from left and right edges of the base portion 222, respectively. In the fore-aft direction, the front portion 2214 is flush with the front edge of the base portion 222, and the rear edge of the rear portion 2212 projects beyond the rear edge of the base portion 222. The plastic block 22 further includes a front surface 220, terminal fixing grooves 225 formed by being depressed inward from the front surface 220, partition walls 226 between the adjacent terminal fixing grooves 225, and positioning portions 223 formed by being extended forward from the front surface 220. The partition wall 226 includes a separation wall 2267 sandwiched between the terminal fixing grooves 225 and a blocking wall 2264 formed to extend forward from a front end of the separation wall 2267. The transverse thickness of the blocking wall 2264 is greater than that of the separating wall 2267 so as to block the conductive terminals 21 received in the terminal fixing grooves 225 from moving outward, and in this embodiment, the left and right edges of the blocking wall 2264 are protruded from the left and right edges of the separating wall 2267. The blocking wall 2264 includes a first step surface 2261, a second step surface 2262 on the front end surface 220, and an inclined surface 2263 connecting the first step surface 2261 and the second step surface 2262. The first step surface 2261 protrudes from the second step surface 2261, that is, the second step surface 2261 is recessed inward compared to the first step surface 2261, so as to provide a space for the contact portion 211 of the conductive terminal 21 to rotate clockwise. In this embodiment, the inclined surface 2263 is inclined, and in other embodiments, the inclined surface 2263 may also be a curved surface or a horizontal surface. The circuit board 23 is assembled on the plastic block 22, and is provided with a limiting hole 234 matching with the limiting portion 224, a fixing hole 232 for the tail portion of the fixing portion 212 to pass through, a plurality of coils 231, and a conducting plate 235 electrically connected with the shielding shell 4.

The housing body 1 includes a housing cavity 10 for housing a mating connector (not shown), a terminal groove for housing a conductive terminal 21, a lamp groove 13 for housing the LED lamp 3, a first rear end surface 12 for mating with the plastic block 22, a positioning hole 14 formed by recessing the first rear end surface 12, a housing notch 16 for housing the front portion of the circuit board 23, and an upper supporting wall 15 for supporting the upper surface of the circuit board 23. The terminal slots include a bottom terminal slot 111 and a rear terminal slot 112.

The shielding shell 4 includes an upper wall 41, two side walls 42 formed by bending and extending downward from two sides of the upper wall 41, a front wall 43 formed by bending and extending forward from the upper wall 41, and a rear wall 44 connecting rear ends of the two side walls 42. The front wall 43 is provided with an opening 431 and a lamp hole 432 for the LED lamp 3 to pass through. The shielding shell 4 further includes a plurality of vertically downwardly extending limiting legs 423 and a retaining arm 421 formed by partially bending the sidewall 42 inwardly. The holding arm 421 includes a front portion and a root portion, the front portion of the holding arm 421 is clamped between the circuit board 23 and the positioning block 2216, and the root portion of the holding arm 421 is located between the circuit board 23 and the abdicating notch 2217.

Referring to fig. 1 to 8 and 10, during assembly, the terminal module 2 is assembled into the insulating housing 1 from the back to the front, the connecting portions 213 of the conductive terminals 21 are received in the bottom terminal grooves 111 of the insulating housing 1, the tail portions of the contact portions 211 are received in the rear terminal grooves 112, the plastic block 22 is assembled at the first rear end surface 12 of the insulating housing 1, the positioning portions 223 are inserted into the positioning holes 14, the front portion of the circuit board 23 is received in the receiving notches 15, and the LED lamp 3 is received in the lamp groove 13. Before the shielding shell 4 is assembled, the abutting arm 421 of the shielding shell 4 is an elastic sheet vertically extending from a part of the sidewall 42, the shielding shell 4 with the vertically downward elastic sheet is sleeved outside the insulating body 1, and then the elastic sheet is bent inward to form the abutting arm 421, the abutting arm 421 is inserted between the circuit board 23 and the plastic block 22, and the abutting arm 421 abuts against and contacts the circuit board 23 to realize grounding. The holding arm 421 is electrically connected to the conductive sheet 235 on the circuit board 23 by holding. The supporting arm 421 is bent inward at the offset gap 2217, the offset gap 2217 reserves a bending space for the supporting arm 421, so that the supporting arm 421 can be bent conveniently, and the supporting arm 421 is clamped between the positioning block 2216 and the circuit board 23 and is in interference fit with the circuit board 23 to realize grounding. Referring to fig. 10, in the present invention, the shielding shell 4 is grounded by abutting against the circuit board 23 without welding, and the plastic block 22 is provided with the relief gap 2217 to provide a relief space for bending the abutting arm 421, and the abutting arm 421 is a spring plate, after bending, the abutting arm 421 is clamped between the positioning block 2216 and the circuit board 23, and interferes with the abutting circuit board 23, so as to achieve stable grounding. The whole assembly process is simple, a welding mode is avoided, secondary utilization of parts is facilitated, and environmental protection is facilitated.

Referring to fig. 9, in the present invention, when the mating connector is mated with the mating connector, the contact portion 211 of the conductive terminal 21 moves along a certain movement track, and the first step surface 2261 and the second step surface 2262 are disposed on an extension line of the movement track of the contact portion 211. In this embodiment, the contact portion 211 of the conductive terminal 21 is forced to rotate clockwise, the front end surface 220 of the plastic block 22 is provided with a first step surface 2261 and a second step surface 2262, and the second step surface 2262 is recessed inwards compared with the first step surface 2261, so as to provide a yielding space for the contact portion 211 of the conductive terminal 21 which rotates clockwise. The contact part 211 moves along the track of the first step surface 2261, the inclined surface 2263 and the second step surface 2262 in sequence, and the free end of the contact part 211 is close to the first step surface 2261, the inclined surface 2263 and the second step surface 2262 in sequence but does not contact with them, so that the contact part 211 is not blocked by the front end surface 220 in the moving process. The length of the conductive terminal 21 is not changed, and the overall length of the electrical connector 100 is minimized, thereby realizing miniaturization of the electrical connector 100.

Claims

1. The utility model provides an electric connector, its include insulator and accept in terminal module in the insulator, terminal module is including accept in a plurality of conductive terminals in the insulator and fixed conductive terminal's plastic piece, its characterized in that: the plastic block is provided with a front end face, the front end face comprises a first step face and a second step face, the second step face is inwards recessed compared with the first step face, the conductive terminal comprises a contact part in butt joint with the butting connector, the contact part moves along a certain movement track when in butt joint with the butting connector, and the first step face and the second step face are close to the movement track of the contact part.

2. The electrical connector of claim 1, wherein: the conductive terminal further comprises a fixing part and a connecting part for connecting the contact part with the fixing part, the contact part is arranged in an inclined mode, when the contact part is stressed to move clockwise, the free end of the contact part is close to the first step face and the second step face in sequence, and the free end of the contact part is not in contact with the first step face and the second step face in the moving process of the contact part.

3. The electrical connector of claim 1, wherein: the plastic block further comprises terminal fixing grooves formed by inwards recessing the front end face and a partition wall positioned between the two adjacent terminal fixing grooves, and the first step face and the second step face are arranged on the partition wall.

4. The electrical connector of claim 3, wherein: the partition wall comprises a separation wall clamped between the two adjacent terminal fixing grooves and a blocking wall formed by extending forwards from the front end of the separation wall, the transverse thickness of the blocking wall is larger than that of the separation wall, and the first step surface and the second step surface are arranged on the blocking wall.

5. The electrical connector of claim 4, wherein: the blocking wall further comprises an inclined surface connecting the first step surface and the second step surface.

6. The electrical connector of claim 1, wherein: the terminal module further comprises a circuit board arranged above the plastic block, and the conductive terminals are electrically connected with the circuit board.

7. The electrical connector of claim 6, wherein: the electric connector also comprises a shielding shell coated outside the insulating body, wherein the shielding shell is partially bent inwards to form a propping arm, and the propping arm is propped against the circuit board to realize electric contact.

8. The electrical connector of claim 7, wherein: the shielding shell comprises a left side wall and a right side wall, and the abutting arm is formed by bending the local part of the side walls inwards.

9. The electrical connector of claim 8, wherein: the abutting arm is located between the circuit board and the plastic block.

10. The electrical connector of claim 9, wherein: the plastic block both sides inwards cave into respectively and form two breach of stepping down and two locating pieces, support the arm and include anterior and root, support the anterior centre gripping of arm and in the circuit board with between the locating piece, support the root of holding the arm and be located the circuit board with between the breach of stepping down.