TWM585002U - Electrical connector - Google Patents

Abstract

This creation discloses an electrical connector including an insulating body, wherein a plurality of first terminal slots are formed inside the insulating body, and each of the first terminal slots is provided with a first bump; a plurality of signal terminals are fixedly mounted on the In the first terminal slot, each signal terminal is provided with a first fixing portion, the front end of the first fixing portion is extended forward to form a first extension portion, and the front end of the first extension portion is provided with a first contact portion; And the first bumps in the first terminal slot are both disposed at a first position in a plugging direction of the electrical connector, and the first bumps in the first terminal slot are in the same row It is provided that the first bumps abut the first extension portion. Therefore, the coplanarity of the terminals of the electrical connector is better improved.

Description

Electric connector

The present invention relates to an electrical connector, and more particularly to an electrical connector with better terminal coplanarity.

With the continuous development of electronic technology, the connection between various electronic products and their peripheral products is becoming more frequent, such as mobile phones, computers and other internal or peripheral, electrical connectors are commonly used in electronic products to transfer signals or power.

However, the inner shell and the outer shell of the existing electrical connector adopt a full-planar design. When the electrical connector is plugged in or out, the two cannot be easily engaged with each other in the structure and are easily loosened, thereby causing damage to the electrical connector. In addition, the terminals of the electrical connector are used to transmit electronic signals or currents. If the flatness of the contact surface of the terminals is not good, there will be a slight gap in the position of the contact portions of the terminals. When the electrical connector is mated, This will cause damage to the electrical connector.

Therefore, it is necessary to provide an electrical connector with better terminal coplanarity.

The purpose of this creation is to provide an electrical connector including an insulating body, wherein a plurality of first terminal slots are formed inside the insulating body, and each of the first terminal slots is provided with a first bump; a plurality of signal terminals are fixedly arranged In the first terminal slot, each signal terminal is provided with a first fixing portion. The front end of the first fixing portion extends forward to form a first extension portion. The front end of the first extension portion is provided with a first contact. And the first bumps in the first terminal slot are all disposed at a first position in a plugging direction of the electrical connector, and the first bumps in the first terminal slot appear The first protrusions are arranged in the same row against the first extension.

Optionally, the first extension portion is provided with a first edge and a second edge opposite to each other, the first contact portion is provided on the first edge of the first extension portion, and the first convex portion The point abuts against the first edge of the first extension.

Optionally, the first terminal groove is provided with a first inner wall surface, the first inner wall surface corresponds to the first edge, and the first bump is disposed on the first inner wall surface.

Optionally, a plurality of second terminal slots are formed in the insulating body, each second terminal slot is provided with a second bump, each second terminal slot receives a ground terminal, and the second terminal slot The second bumps inside are all disposed at a second position in the plugging direction of the electrical connector, and the second bumps in the second terminal slot are arranged in a row, and each of the Each of the ground terminals is provided with a second fixing portion. The front end of the second fixing portion extends forward to form a second extension portion. The front end of the second extension portion is provided with a second contact portion. The second bump abuts against the second extension of the ground terminal.

Optionally, the second extension portion of the ground terminal is provided with a third edge and a fourth edge opposite to each other, and the second contact portion of the ground terminal is provided at the first portion of the ground terminal. The third edge of the two extensions, and the second bump in the second terminal slot abuts against the third edge of the second extension of the ground terminal.

Optionally, the first position is closer to a front end surface of the insulating body than the second position, and the plurality of first bumps and the plurality of second bumps are arranged in front and back rows.

Optionally, the first bumps in the first terminal slot form a coplanar surface, the second bumps in the second terminal slot form a coplanar surface, and the first extension of the signal terminal The parts form a coplanar plane, and the second extension of the ground terminal forms a coplanar plane.

Optionally, a slot is formed in the front end of the insulating body, and the first fixing portion and the second fixing portion of each of the signal terminals and each of the ground terminals are fixed to the insulating body. In the first terminal slot and the second terminal slot, a first barb and a second barb are respectively provided on the first fixing portion and the second fixing portion, and the first barb And the second barb are embedded in the insulating body, and the rear ends of the first fixing portion and the second fixing portion are respectively extended upwards and then bent to extend rearwardly to form a first A welding portion and a second welding portion, a first gap is formed between the first fixing portion and the first welding portion, and a second gap is formed between the second fixing portion and the second welding portion, The first barb is disposed in the first notch, the second barb is disposed in the second notch, and the first notch and the second notch are engaged with the insulating body, so The first contact portion and the second contact portion are exposed in the slot, and each of the first contacts Formed coplanar with each of said second contact portion.

Optionally, the electrical connector further includes an inner shell that covers the insulating body, the plurality of signal terminals, and the plurality of ground terminals, and at least two opposite sides of the front end of the inner shell are respectively provided with at least two sides. A protrusion; and a shell covering the inner shell, at least two positioning holes are formed on opposite sides of the front end of the shell, and the positioning hole and the protrusion are engaged with each other.

Optionally, a left and right sides of one of the upper surfaces of the insulating body respectively form a positioning groove recessed obliquely downward, and an upper surface of one of the inner shells is provided with at least one abutting portion inclined downward, and The abutting portion abuts the positioning groove of the insulating body, the first terminal slot and the second terminal slot penetrate one of the lower surfaces of the insulating body, and the plurality of signal terminals and the ground terminal are formed by the The lower surface of the insulating body is respectively filled with the first terminal slot and the second terminal slot, and the lower surface of the insulating body is covered with an insulating sheet.

In order to explain in detail the technical content, structural features, achieved objectives, and effects of the electrical connector 100 of the present invention, the following examples are given in conjunction with the drawings to explain in detail.

Please refer to the first to third figures. The electrical connector 100 of the present invention includes an insulating body 1, a plurality of terminal groups 2, two elastic pieces 3, an insulating piece 4, an inner case 5 and an outer case 6. The terminal group 2 is fixed in the insulating body 1, the elastic pieces 3 are disposed on the left and right sides of the inside of the insulating body 1, and the rear end extends out of the insulating body 1, and the insulating piece 4 is provided in the insulating body 1. Under the insulating body 1 to avoid a short circuit caused by the contact between the terminal group 2 and the inner shell 5, the inner shell 5 covers the insulating body 1 and the insulating sheet 4, and the outer shell 6 covers the inner Shell 5.

Please refer to the second to fifth figures. The insulating body 1 is provided with a plurality of positioning grooves 11, a receiving space 12, a stopper 13, a slot 14, a positioning surface 15, and a plurality of first protrusions. Point 16, the plurality of first terminal slots 17, the plurality of second terminal slots 18, and the plurality of second bumps 19. The left and right sides of the upper surface of the insulating body 1 respectively form the positioning grooves 11 recessed obliquely downward. The positioning groove 11 is used to resist the corresponding mechanism of the inner shell 5 to realize the positioning and holding of the insulating body 1 and the inner shell 5. The left and right sides of the insulating body 1 are recessed inward to form the accommodation space. 12. The accommodating space 12 allows the corresponding mechanism of the elastic piece 3 to have a movable space to prevent the elastic piece 3 from being crushed and damaged during insertion and removal. The stopper is provided at the front end of the insulating body 1. 13. The rear end face of the stopper 13 abuts the front end face of the inner shell 5 and the front end face of the outer shell 6, so that the insulating body 1 and the inner shell 5 and the outer shell 6 are positioned and held. The front end of the insulating body 1 is recessed inward to form the slot 14, and the lower surface of the insulating body 1 is recessed inward. The positioning surface 15 is used for positioning with the insulating sheet 4 to achieve positioning and holding of the insulating body 1 and the insulating sheet 4, and the plurality of first terminals are formed inside the insulating body 1. The slot 17 and the second terminal slot 18, each of the first terminal slot 17 and each of the second terminal slot 18 are respectively provided with a first inner wall surface 171 and a second inner wall surface 181, and each of the first An inner wall surface 171 and each of the second inner wall surfaces 181 are respectively provided with the first bump 16 and the second bump 19, and each of the first bump 16 and each of the second The bumps 19 all correspond to corresponding mechanisms of the terminal group 2, so that the flatness of the corresponding mechanisms of the terminal group 2 is the same.

In this embodiment, the terminal group 2 includes a plurality of signal terminals 21 and a plurality of ground terminals 22, the plurality of signal terminals 21 are respectively housed in the plurality of first terminal slots 17, and the plurality of ground terminals 22 are housed in the respective Plurality of second terminal slots 18. In order to make the plurality of signal terminals 21 have a better coplanarity, the first bump 16 is disposed in the first terminal slot 17, and is disposed in a first direction in the plugging direction of the electrical connector 100. A position 101, that is, the plurality of first bumps 16 provided in the first terminal slot 17 is provided in the same row in the plugging direction of the electrical connector 100. Because the ground terminal 22 and the signal terminal 21 are somewhat different, in order to make the plurality of ground terminals 22 have better coplanarity, the second bump 19 is disposed in the second terminal slot 18 and is provided. A second position 102 in the plugging direction of the electrical connector 100, that is, the plurality of bumps 19 provided in the second terminal slot 18 are in the plugging direction of the electrical connector 100. Set in the same row. In this embodiment, the first position 101 is closer to the front end face of the insulating body 1 than the second position 102, that is, the plurality of first bumps 16 and the plurality of second bumps 19 are in front and back. Settings.

The terminal group 2 is combined with the insulating body 1 by injection molding and is disposed in the insulating body 1. Each of the signal terminals 21 is provided with a first fixing portion 211, a first barb 212, and a first The welding portion 213, a first notch 214, a first extension portion 215, a first contact portion 216, and a first contact surface 217. The first fixing portion 211 is fixed in the insulating body 1 and is covered by the insulating body 1. The first fixing portion 211 is provided with the first barb 212, and the first barb 212 is embedded in the insulating body 1 to strengthen the bonding strength between the signal terminal 21 and the insulating body 1. The rear end of the first fixing portion 211 extends upward and then bends to extend out of the insulating body. 1 the rear end forms the first welding portion 213, the first fixing portion 211 and the first welding portion 213 form the first gap 214 in the middle, and the first gap 214 is engaged with the insulating body 1 to Strengthen the bonding strength between the signal terminal 21 and the insulating body 1. The front end of the first fixing portion 211 is arcuately extended to form the first extension portion 215. Each of the extension portions 215 is Each of the first bumps 16 of the insulating body 1 resists, the first extension portion 251 extends forward to form the first contact portion 216, and the front end of the first contact portion 216 is exposed on the plug. In the slot 14, the first contact portion 216 is provided with the first contact surface 217. Said first bump 16 abuts against the first extending portion 215, so that the flatness of each of the first contact surface 217 and each of the signal terminals as the same as the first contact portion 21 of the 216 horizontal height position.

In this embodiment, the first extension portion 215 is provided with a first edge 251 and a second edge 252 opposite to each other, and the first contact portion 216 is disposed on the first edge of the first extension portion 215. 251, the first bump 16 also abuts the first edge 251 of the first extension 215, so that the first contact portion 216 of the signal terminal 21 is coplanar, and each of the signals The first contact surfaces 217 of the terminals 21 are coplanar. In specific implementation, the first bump 16 can abut the second edge 252 of the first extension portion 215, so that the first contact portions 216 of the signal terminals 21 are coplanar, and The first contact surfaces 217 of the signal terminals 21 are coplanar.

Each ground terminal 22 is provided with a second fixing portion 221, a second barb 222, a second welding portion 223, a second notch 224, a second extension portion 225, a second contact portion 226, and a Second contact surface 227. The second fixing portion 221 is fixed in the insulating body 1 and is covered by the insulating body 1. The second fixing portion 221 is provided with the second barb 222 and the second barb. 222 is embedded in the insulating body 1 to strengthen the bonding strength between the ground terminal 22 and the insulating body 1. The rear end of the second fixing portion 221 extends upward and then bends to extend out of the insulating body. 1 The rear end forms the second welding portion 223, the second fixing portion 221 and the second welding portion 223 form the second notch 224, and the second notch 224 engages the insulating body 1 to The bonding strength between the ground terminal 22 and the insulating body 1 is strengthened. The front end of the second fixing portion 221 is arcuately extended to form the second extension portion 225. Each second extension portion 225 is Each of the second bumps 19 of the insulating body 1 resists, the second extension portion 225 extends forward to form the second contact portion 226, and the front end of the second contact portion 226 is exposed at the front end. In the slot 14, the second contact portion 226 is provided with the second contact surface 227, because the insulating body The second bump 19 of 1 abuts against the second extension portion 225, so that the flatness of each of the second contact surfaces 227 is the same and the horizontal height of the second contact portion 226 of each of the ground terminals 22 The positions are the same. In this embodiment, the second fixing portion 221 of the ground terminal 22 is higher than the first fixing portion 211 of the signal terminal 21, and the second fixing portion 221 of the ground terminal 22 The extension portion 225 is shorter than the first extension portion 215 of the signal terminal 21.

In this embodiment, the second extension portion 225 is provided with a third edge 253 and a fourth edge 254 opposite to each other, and the second contact portion 226 is disposed on the third edge of the second extension portion 225 253, the second bump 19 also abuts the third edge 253 of the second extension 225, makes the second contact portion 226 of the ground terminal 22 coplanar, and also causes each of the ground terminals 22 The second contact surfaces 227 are coplanar. In specific implementation, the second bump 19 can abut the fourth edge 254 of the second extension portion 225, so that the second contact portions 226 of the ground terminals 22 are coplanar, and The second contact surfaces 227 of the ground terminal 22 are coplanar.

The elastic pieces 3 make the electrical connector 100 of the present invention have a stable insertion and extraction force. Each of the elastic pieces 3 is provided with a fixed arm 31, an extension arm 32, a bending arm 33, a bending portion 34 and A positioning portion 35, the fixing arm 31 is fixed to the inner side surfaces of the left and right sides of the insulating body 1, the fixing arm 31 extends forward to form the extension arm 32, and the front end of the extension arm 32 extends inward and bends Fold and extend outward to form the bending arm 33. The bending arm 33 is disposed in the accommodation space 12 of the insulating body 1. The rear end of the fixed arm 31 is bent outward to extend outward. And then bending to form the bent portion 34 exposed from the insulating body 1, and the bent portion 34 extends backward to form the positioning portion 35. In this embodiment, the positioning portion 35 is disposed on the housing. The inside of the corresponding mechanism of 6 is used for fixing on the circuit board (not shown in the figure).

The inner shell 5 is provided with a plurality of protrusions 51, a plurality of resisting portions 52, and a first receiving cavity 53. At least one of the protrusions 51 and the protrusion 51 are respectively provided on the left and right sides of the front end of the inner shell 5. The corresponding mechanism of the outer shell 6 is engaged with each other to realize positioning and holding of the inner shell 5 and the outer shell 6, and the upper surface of the inner shell 5 is provided with at least one abutting portion 52 inclined downward. The abutting portion 52 is configured to abut against the positioning groove 11 of the insulating body 1 to achieve positioning and holding of the inner shell 5 and the insulating body 1. The first housing cavity 53 is formed inside the inner shell 5. The first receiving cavity 53 receives the insulating body 1 to realize positioning and holding of the inner shell 5 and the insulating body 1. In this embodiment, the inner shell 5 is made of stainless steel.

The casing 6 is provided with a plurality of positioning holes 61, two fixing feet 62, and a second receiving cavity 63. At least one positioning hole 61 is formed on the left and right sides of the front end of the casing 6, respectively. The protrusions 51 are engaged with each other to realize the positioning and holding of the outer shell 6 and the inner shell 5. The left and right sides of the rear end of the outer shell 6 are respectively provided with the fixing feet 62 extending downward, and the fixing feet 62 are provided at The outer side of the positioning portion 35 of the elastic piece 3 is used to be fixed to a circuit board (not shown in the figure). The second receiving cavity 63 is formed inside the outer casing 6, and the second receiving cavity 63 receives the inner casing 5. In order to achieve positioning and holding of the outer shell 6 and the inner shell 5. In this embodiment, the casing 6 is made of stainless steel.

In summary, the creative electrical connector 100 has an innovative structural design. The plurality of first terminal slots 17 and the plurality of second terminal slots 18 are formed inside the insulating body 1. Each of the first terminals Both the groove 17 and the plurality of second terminal grooves 18 are provided with the first inner wall surface 171 and the second inner wall surface 181, and each of the first inner wall surface 171 and each of the second inner wall surface 181 is The first bump 16 and the second bump 19 are respectively provided, and each of the first bump 16 and the second bump 19 corresponds to the first of each of the terminal groups 2. An extension portion 215 and the second extension portion 225 are such that the flatness of each of the first contact surfaces 217 and the second contact surface 227 is the same, and the first A contact portion 216 is at the same level as the second contact portion 226. At least one protrusion 51 is provided on the left and right sides of the front end of the inner case 5, and at least one is formed on the left and right sides of the front end of the outer case 6. The positioning hole 61, the protrusion 51 and the positioning hole 61 are engaged with each other to achieve positioning and holding of the inner shell 5 and the outer shell 6, Strengthen the structural strength of the electrical connector 100. Therefore, the structural strength of the electrical connector 100 is improved.

100‧‧‧electrical connector

101‧‧‧ first position
102‧‧‧ second position

1‧‧‧Insulated body
11‧‧‧ positioning groove

12‧‧‧ accommodation space
13‧‧‧stop

14‧‧‧slot
15‧‧‧ positioning surface

16‧‧‧ first bump
17‧‧‧First terminal slot

171‧‧‧first inner wall surface
18‧‧‧Second terminal slot

181‧‧‧Second inner wall surface
19‧‧‧ second bump

2‧‧‧Terminal Set
21‧‧‧Signal terminal

211‧‧‧First fixed part
212‧‧‧The first barb

213‧‧‧The first welding department
214‧‧‧First gap

215‧‧‧First extension
216‧‧‧First contact

217‧‧‧First contact surface
251‧‧‧first edge

252‧‧‧Second Edge
22‧‧‧ ground terminal

221‧‧‧Second Fixing Section
222‧‧‧Second Barb

223‧‧‧Second welding section
224‧‧‧Second gap

225‧‧‧second extension
226‧‧‧Second contact section

227‧‧‧Second contact surface
253‧‧‧ Third Edge

254‧‧‧ fourth edge
3‧‧‧ shrapnel

31‧‧‧ fixed arm
32‧‧‧ extension arm

33‧‧‧ Bend Arm
34‧‧‧ Bend

35‧‧‧Positioning Department
4‧‧‧ insulating sheet

5‧‧‧ inner shell
51‧‧‧ raised

52‧‧‧Rejection Department
53‧‧‧First Containment Chamber

6‧‧‧ shell
61‧‧‧ Positioning hole

62‧‧‧Fixed feet
63‧‧‧Second Containment Chamber

[First image] This is a perspective view of the electrical connector of this creation.
[The second picture] is an exploded view of the electrical connector of this creation.
[The third picture] is an exploded view of the electrical connector from another angle.
[Fourth image] is a cross-sectional view of the electrical connector of the present invention along the line IV-IV in the first image.
[Fifth image] This is a cross-sectional view of the electrical connector of the present invention along the VV line in the first image.

Claims (10)

An electrical connector includes: an insulating body, wherein a plurality of first terminal slots are formed inside the insulating body, and each of the first terminal slots is provided with a first bump; a plurality of signal terminals are fixed on the first In a terminal slot, each signal terminal is provided with a first fixing portion, the front end of the first fixing portion extends forward to form a first extension portion, and the front end of the first extension portion is provided with a first contact portion; and The first bumps in the first terminal slot are all disposed at a first position in a plugging direction of the electrical connector, and the first bumps in the first terminal slot are arranged in a row. The first bumps abut against the first extension portion. The electrical connector according to item 1 of the scope of patent application, wherein the first extension portion is provided with a first edge and a second edge opposite to each other, and the first contact portion is provided on the first extension portion. The first edge and the first bump abut against the first edge of the first extension. The electrical connector according to item 2 of the scope of patent application, wherein the first terminal groove is provided with a first inner wall surface, the first inner wall surface corresponds to the first edge, and the first bump is provided at The first inner wall surface. The electrical connector according to item 1 of the scope of patent application, wherein a plurality of second terminal slots are formed in the insulating body, and each of the second terminal slots is provided with a second bump, and each of the second terminal slots is A ground terminal is accommodated, the second bumps in the second terminal slot are all disposed at a second position in the plugging direction of the electrical connector, and the second in the second terminal slot is The bumps are arranged in a row. Each of the ground terminals is provided with a second fixing portion. The front end of the second fixing portion extends forward to form a second extension portion. The front end of the second extension portion is provided with a second contact. The second bump in the second terminal slot abuts the second extension of the ground terminal. The electrical connector according to item 4 of the scope of patent application, wherein the second extension of the ground terminal is provided with a third edge and a fourth edge opposite to each other, and the second contact of the ground terminal The second protrusion is disposed on the third edge of the second extension of the ground terminal, and the second bump in the second terminal groove abuts the place of the second extension of the ground terminal. Mentioned third edge. The electrical connector according to item 5 of the scope of patent application, wherein the first position is closer to a front end surface of the insulating body than the second position, the plurality of first bumps and the plurality of second There are two rows of bumps. The electrical connector according to item 6 of the scope of patent application, wherein the first bumps in the first terminal slot form a coplanar surface, and the second bumps in the second terminal slot form a coplanar surface. The first extension of the signal terminal forms a coplanar plane, and the second extension of the ground terminal forms a coplanar plane. The electrical connector according to item 7 of the scope of patent application, wherein the front end of the insulating body forms a slot inward, and each of the signal terminal and each of the ground terminal has the first fixing portion and The second fixing portion is fixed in the first terminal slot and the second terminal slot of the insulating body, and the first fixing portion and the second fixing portion are respectively provided with a first barb and a A second barb, the first barb and the second barb are embedded in the insulating body, and the rear ends of the first fixing portion and the second fixing portion are respectively extended upward and then bent backward. A first welding portion and a second welding portion are formed at the rear end of the insulating body, a first gap is formed between the first fixing portion and the first welding portion, and the second fixing portion and the A second notch is formed in the middle of the second welding portion, the first barb is disposed in the first notch, the second barb is disposed in the second notch, the first notch and the first notch Two notches are engaged with the insulating body, and the first contact portion and the second contact portion are exposed at In the slot, each of the first contact portions and each of the second contact portions form a coplanar surface. The electrical connector according to item 4 of the scope of patent application, further comprising: an inner case that covers the insulating body, the signal terminal, and the ground terminal, and opposite sides of the front end of the inner case are respectively At least one protrusion is provided; and an outer shell covering the inner shell, at least two positioning holes are formed on opposite sides of the front end of the outer shell, respectively, and the positioning hole and the protrusion are engaged with each other. The electrical connector according to item 9 of the scope of patent application, wherein the left and right sides of one of the upper surfaces of the insulating body respectively form a positioning groove recessed obliquely downward, and the upper surface of one of the inner shells is provided with at least one direction. A downwardly inclined abutting portion, the abutting portion abuts against the positioning groove of the insulating body, the first terminal slot and the second terminal slot penetrate one of the lower surfaces of the insulating body, and the plurality of signals The terminal and the ground terminal are respectively inserted into the first terminal slot and the second terminal slot from the lower surface of the insulating body, and the lower surface of the insulating body is covered with an insulating sheet.