TWM616802U - Electrical connector - Google Patents

Abstract

This creation discloses an electrical connector, comprising: an insulating body; at least one soft board, the soft board is arranged in the insulating body, the soft board is provided with a grounded outer layer, a signal layer and a grounded inner layer, and the grounded outer layer is provided On the outer side of the signal layer, the grounded inner layer is arranged on the inner side of the signal layer; at least one positioning block is arranged on the outer surface of the soft board, the positioning block is provided with a board body, and the front end of the outer surface of the board body There is at least one positioning post; at least one elastic piece is provided with a fixing part, at least one positioning hole is formed on the fixing part, and the positioning hole is buckled with the positioning post. The front end of the fixing part is provided with a plurality of elastic arms which are attached to the soft The outer surface of the grounded outer layer of the board; and a shell. Therefore, the manufacturing process of the electrical connector of the invention is simple, the circuit is simplified, and the cost is reduced.

Description

Electrical connector

The present creation relates to an electrical connector, in particular to an electrical connector with simple manufacturing process, simple circuit and reduced cost.

Among the connector types frequently used in various electronic products, the universal serial bus (USB) specification connector is the most widely used. With the advancement of technology, there are more and more types of universal serial bus, such as USB 2.0, USB 3.0, micro universal serial bus (Micro USB), mini universal serial bus (Mini USB) or USB TYPE-C, among which USB TYPE-C connectors have been commonly used in various electronic products.

U.S. Patent Publication No. 2020/0099156 discloses "an electrical connector". The electrical connector has the following shortcomings. The elastic terminal stamping process of the electrical connector is difficult, and the force arm is short; the internal circuit layout is more complicated, and its circuit layout A through-hole manufacturing process is required, which leads to increased manufacturing difficulty and increased cost.

Therefore, it is necessary to provide an electrical connector with simple manufacturing process, simple circuit and reduced cost.

The purpose of this creation is to provide an electrical connector, including: an insulating body; at least one soft board, the soft board is arranged in the insulating body, the soft board is provided with a grounded outer layer, a signal layer and a grounded inner layer , The grounded outer layer is disposed on the outer side surface of the signal layer, and the grounded inner layer is disposed on On the inner side of the signal layer, the signal layer is provided with a plurality of lines, each of the plurality of lines is provided with a main body, a contact part and a welding part, and the main body extends forward to form the contact part, the The main body extends backward to form the welding part; at least one positioning block is arranged on the outer surface of the soft board, the positioning block is provided with a plate body, and the front end of the outer surface of the plate body At least one positioning post is provided; at least one elastic member is provided with a fixing part, at least one positioning hole is formed on the fixing part, the positioning hole is fastened to the positioning post, and the front end of the fixing part is provided with A plurality of elastic arms, the plurality of elastic arms are attached to the outer surface of the grounded outer layer of the soft board, and correspond to the plurality of contact parts; and a shell, the shell covers the insulating body and the The main body part and the contact part of the soft board, the positioning block and the elastic member.

Optionally, the length of the ground outer layer is equal to the length of the signal layer, the length of the signal layer is greater than the length of the ground inner layer, and the contact portion of the signal layer is exposed on the ground inner layer.

Optionally, the width of the contact portion does not exceed the width of the welding portion.

Optionally, both the grounded outer layer and the grounded inner layer are provided with a mesh structure, and the mesh structure corresponds to the position of the main body.

Optionally, the mesh structure is formed by etching on a flexible copper foil substrate, and the flexible copper foil substrate is adhered to the grounded outer layer and the grounded inner layer, respectively.

Optionally, both the grounded outer layer and the grounded inner layer are provided with a sheet-like structure, and the sheet-like structure corresponds to the position of the main body.

Optionally, the sheet structure is formed by etching on a flexible copper foil substrate, and the flexible copper foil substrate is adhered to the grounded outer layer and the grounded inner layer, respectively.

Optionally, the rear end of the outer surface of the positioning block is provided with a protruding part, the left and right sides of the protruding part are respectively provided with a positioning foot extending outward, and the rear ends of the left and right sides of the upper and lower surfaces of the insulating body are respectively provided with a protruding part. A groove is respectively provided, and the positioning foot is fixed to the groove of the insulating body.

Optionally, it further includes a plurality of masking sheets, the masking sheets are arranged opposite to the front end of the insulating body, the upper and lower surfaces of the front end of the insulating body are provided with a plurality of recesses, and the masking sheets are arranged on the front end of the recessed parts. Wherein, the concave portion is provided with a plurality of through holes formed through the upper and lower surfaces of the concave portion, the front end of the mask sheet is provided with a plurality of elastic pieces extending obliquely forward, and the plurality of elastic pieces are arranged in the plurality of through holes.

Optionally, an electrical connector is provided, including: an insulating body, the insulating body is provided with an upper part and a lower part, a connecting part is connected between the upper part and the lower part; two soft plates are respectively arranged on the The upper part and the lower part of the insulating body are separated by the connecting part, and each soft board is provided with a signal layer, a grounded outer layer and a grounded inner layer, and the grounded outer layer is arranged outside the signal layer On the side, the grounded inner layer is arranged on the inner side of the signal layer, the signal layer is provided with a plurality of lines, and each of the lines is provided with a main body, a contact part and a welding part, and the main body is forwarded Extend to form the contact part, the main body part extends back to form the welding part; two positioning blocks are respectively arranged on the outer surface of the grounded outer layer of the two soft boards, and the two positioning blocks correspond to the two For the position of the main body part of the signal layer of the soft board, each positioning block is provided with a plate body part, and at least one positioning post is provided at the front end of the outer surface of the plate body part; two elastic parts, each Each of the elastic members is provided with a fixing portion, the fixing portion is formed with at least one positioning hole, the positioning hole is engaged with the positioning column, the front end of the fixing portion is provided with a plurality of elastic arms, and the plurality of elastic arms are attached to The outer surface of the grounded outer layer of the soft board corresponds to a plurality of the contact portions; and a shell covering the insulating body, the main body portion and the signal layer of the signal layer of the two soft boards The contact portion, the two positioning blocks and the two elastic pieces.

100: electrical connector

1: Insulating body

11: upper part

12: lower part

13: Groove

14: Connection part

15: Containment slot

16: recess

17: Through hole

2: soft board

21: Ground outer layer

22: Signal layer

220: Line

221: main body

222: Contact

223: Welding Department

23: Grounded inner layer

24: Mesh structure

25: sheet structure

3: positioning block

30: Board body

31: Convex

32: positioning foot

33: Positioning column

4: Elastic parts

41: fixed part

42: positioning hole

43: Flexible arm

5: lock

51: Chuck

6: Mask sheet

61: Body part

62: shrapnel

7: Shell

[The first picture] is a three-dimensional view of the electrical connector of this creation.

[The second picture] is a partial exploded view of the electrical connector of this creation.

[The third picture] is an exploded view of the electrical connector of this creation.

[The fourth picture] is an exploded view of the soft board of the electrical connector of this creation.

[Fifth Figure] is a schematic diagram of the first embodiment of the flexible board of the electrical connector of the invention, in which the flexible board has a mesh structure.

[Figure 6] is a schematic diagram of the second embodiment of the flexible board of the electrical connector of the invention, in which the flexible board has a sheet-like structure.

[Picture 7] is a cross-sectional view of the electrical connector of this creation along the line VII-VII in the first diagram.

In order to describe 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 illustrate in detail. In this embodiment, the creative electrical connector 100 is a TYPE-C electrical connector. In specific implementation, the creative electrical connector 100 can also be other types of electrical connectors.

Please refer to Figures 1 to 3, the electrical connector 100 of this invention includes an insulating body 1, a plurality of soft boards 2, a plurality of positioning blocks 3, a plurality of elastic members 4, a plurality of locks 5, and a plurality of shielding sheets 6. And a shell 7. The soft board 2 is arranged up and down in the insulating body 1, the positioning block 3 is arranged up and down opposite to the rear end of the insulating body 1 and is located on the outer surface of the soft board 2, and the elastic member 4 is opposite to each other up and down. Set on the outer surface of the positioning block 3 and between the positioning block 3 and the mask sheet 6, the lock catch 5 is opposite It is arranged on the left and right sides of the insulating body 1, the shielding sheet 6 is arranged up and down opposite to the front end of the insulating body 1, and the casing 7 covers the insulating body 1. In this embodiment, the soft board 2, the positioning block 3, the elastic member 4, the lock catch 5 and the mask sheet 6 are provided with two. The electrical connector 100 of the present invention has a better transmission speed, and can also reduce external interference and make signal transmission more stable.

The insulating body 1 is provided with an upper portion 11, a lower portion 12, a plurality of grooves 13, a connecting portion 14, a plurality of receiving grooves 15, a plurality of recesses 16 and a plurality of through holes 17. The rear end of the upper part 11 and the rear end of the lower part 12 are provided with a plurality of grooves 13 on the left and right sides. The grooves 13 are used to engage with the corresponding mechanism of the positioning block 3 to achieve The insulating body 1 and the positioning block 3 are positioned and fixed. The rear end of the upper part 11 and the rear end of the lower part 12 are provided with the connecting portion 14 connecting the left and right sides of the insulating body 1, and the connecting portion 14 is used to separate the two soft boards 2 The soft boards 2 are arranged up and down correspondingly and the two soft boards 2 are not in contact. The accommodating groove 15 is opened between the upper part 11 and the lower part 12, the accommodating groove 15 is formed on the left and right sides of the upper part 11 and the lower part 12, and the lock catch 5 is arranged in the accommodating groove 15 position. The upper and lower surfaces of the front end of the insulating body 1 are provided with the concave portion 16, and the mask sheet 6 is disposed at the position of the concave portion 16. The recess 16 is provided with a plurality of the through holes 17 formed through the upper and lower surfaces of the recess 16, and the corresponding mechanism of the mask sheet 6 is provided in the through hole 17 to realize the insulation between the mask sheet 6 and the The body 1 is positioned and held. In this embodiment, the groove 13, the receiving groove 15 and the concave portion 16 are provided with two, a plurality of the through holes 17 are arranged in a group of three, and the plurality of the through holes 17 The number is two groups, that is, six, each of the recesses 16 has a set of the through holes 17, which means that each of the recesses 16 has three through holes 17.

The two soft boards 2 are arranged opposite to each other. Please refer to Figs. 4 to 7. The soft board 2 is provided with a grounded outer layer 21, a signal layer 22 and a grounded inner layer 23. The grounded outer layer 21 is arranged on The outer side of the signal layer 22, the grounded inner layer 23 is disposed on the inner side of the signal layer 22, and the grounded outer layer 21 and the grounded inner layer 23 are used to reduce signal interference. The signal layer 22 has the functions of signal transmission and power transmission. Therefore, the soft board 2 has a good shielding effect to reduce electromagnetic interference. In this embodiment, the circuit of the flexible circuit board 2 is relatively simple compared with the flexible circuit board of the previous proposal, and does not require a through-hole manufacturing process. Therefore, the circuit of the electrical connector 100 of the present invention is simplified and the cost can be reduced.

The signal layer 22 is provided with a plurality of circuits 220, and each of the circuits 220 is provided with a main body portion 221, a contact portion 222 and a welding portion 223. The main body portion 221 extends forward to form the contact portion 222, and the contact portion 222 is used to contact a mating terminal (not shown in the figure) of a mating connector (not shown in the figure). The main body 221 extends backward to form the soldering portion 223, and the soldering portion 223 is used to connect with a circuit board (not shown in the figure).

In this embodiment, the length of the ground outer layer 21 is equal to the length of the signal layer 22, and the length of the signal layer 22 is greater than the length of the ground inner layer 23. Therefore, the contact of the signal layer 22 The portion 222 is exposed at the front end of the grounded inner layer 23. The grounded outer layer 21 is attached to the outer surface of the main portion 221 of the signal layer 22, and the grounded inner layer 23 is attached to the inner surface of the main portion 221 of the signal layer 22. In this embodiment, the width of the contact portion 222 does not exceed the width of the welding portion 223.

Please refer to the fifth figure, which is a schematic diagram of the first embodiment of this creation. In this embodiment, both the grounded outer layer 21 and the grounded inner layer 23 are provided with a mesh structure 24, so that the grounded outer layer 21 and the grounded inner layer The grounded inner layer 23 has better high frequency characteristics, and the mesh structure 24 corresponds to the position of the main body 221. In this embodiment, the mesh structure 24 is made by etching on a flexible copper foil substrate (not shown in the figure), and the flexible copper foil substrate (not shown in the figure) is respectively adhered to the grounding outer layer 21 and On the grounded inner layer 23. Please refer to Figure 6, which is a schematic diagram of the second embodiment of the present creation. In this embodiment, both the grounded outer layer 21 and the grounded inner layer 23 are provided with a sheet-like structure 25, which means that there is no mesh structure. The sheet structure 25 corresponds to the position of the main body 221. In specific implementation, the grounded outer layer 21 and the grounded inner layer 23 can also be designed into other shapes, which can also enable the grounded outer layer 21 and the grounded inner layer 23 to have better high-frequency characteristics. In this embodiment, the sheet structure 25 is made by etching on a flexible copper foil substrate (not shown in the figure), and the flexible copper foil substrate (not shown in the figure) is respectively adhered to the grounding outer layer 21 and On the grounded inner layer 23.

Please refer to the third figure. The positioning block 3 is provided with a plate portion 30. The rear end of the outer surface of the plate portion 30 is provided with a convex portion 31 protruding outward. The positioning feet 32 extending outward are respectively provided on both sides, and the positioning feet 32 are used to be fixed to the groove 13 of the insulating body 1 to realize the positioning and fixing of the positioning block 3 and the insulating body 1 . The front end 33 of the outer surface of the board body portion 30 is provided with a plurality of positioning posts 33 protruding outward, the plurality of positioning posts 33 extend toward the elastic member 4, and the positioning posts 33 are used to buckle the elastic The corresponding mechanism of the member 4 can realize the positioning and holding of the positioning block 3 and the elastic member 4. In this embodiment, the height of the positioning post 33 does not exceed the height of the convex portion 31, and the positioning post 33 and the convex portion 31 are separated from each other.

The two elastic members 4 are respectively arranged on the outer surface of the plate body portion 30 of the positioning block 3. The elastic member 4 provides a positive force when the electrical connector 100 of the invention is plugged and unplugged. The elastic member 4 A fixing portion 41 is provided, and the fixing portion 41 is disposed at the front end of the outer surface of the plate body portion 30 of the positioning block 3. The fixing portion 41 is provided with a plurality of positioning holes 42 penetrating the inner and outer surfaces of the fixing portion 41, and the plurality of positioning posts 33 are buckled in the plurality of positioning holes 42 to realize the positioning of the positioning block 3 and the elastic member 4 Hold on. The front end of the fixing portion 41 is provided with a plurality of elastic arms 43, and the plurality of elastic arms 43 are attached to the outer surface of the grounding outer layer 21 of the soft board 2 to realize the positioning and holding of the elastic member 4 and the soft board 2. . In this embodiment, the number of the plurality of elastic arms 43 corresponds to the number of the plurality of contact portions 23. In this embodiment, compared with the U-shaped structure design spring finger of the previous proposal, the elastic member 4 of the present invention has a more complicated manufacturing process and a shorter force arm. The elastic member 4 described in the present invention has a relatively simple manufacturing process and a longer force arm.

The two lock catches 5 are arranged in the accommodating grooves 15 on the left and right sides of the insulating body 1, and the rear end of the lock catch 5 is provided with a chuck 51, and the chuck 51 is used to clamp the circuit board (Not shown in the picture).

The shielding sheet 6 is disposed opposite to the recessed portion 16 of the insulating body 1, and the shielding sheet 6 is provided with a body portion 61 and a plurality of elastic sheets 62. The body portion 61 is fixed to the recessed portion 16 of the insulating body 1 to realize the positioning and fixing of the shielding sheet 6 and the insulating body 1. One end edge of the body portion 61 of the mask sheet 6 is provided with the elastic sheet 62 extending obliquely forward, and the elastic sheet 62 is disposed in the through hole 17 to realize the connection between the mask sheet 6 and the The insulating body 1 is positioned and held, and the elastic piece 62 is used to maintain force when contacting with a mating connector (not shown in the figure) and when plugging and unplugging. In this embodiment, there are three elastic pieces 62. The housing 7 is sleeved on the insulating body 1, the positioning block 3, the elastic member 4, the lock catch 5 and the shield sheet 6, so as to connect the positioning block 3, The elastic member 4, the lock catch 5 and the shield sheet 6 are fixed in the insulating body 1 and the housing 7.

In summary, the creative electrical connector 100 is designed with an innovative structure. The flexible board 2 is provided with the grounded outer layer 21, the signal layer 22, and the grounded inner layer 23, and the grounded outer layer 21 is provided On the outer side of the signal layer 22, the grounded inner layer 23 is disposed on the inner side of the signal layer 22, the grounded outer layer 21 and the grounded inner layer 23 are used to reduce signal interference, and the signal layer 22 It has the functions of signal transmission and power transmission, so the soft board 2 has a good shielding effect to reduce electromagnetic interference. The elastic member 4 provides a positive force when plugging and unplugging. The fixed portion 41 of the elastic member 4 is provided with a plurality of elastic arms 43 at the front end, and the plurality of elastic arms 43 are attached to the soft board 2 The outer surface of the grounded outer layer 21, and the number of the plurality of elastic arms 43 corresponds to the number of the plurality of contact portions 23. Therefore, the manufacturing process of the electrical connector 100 of the present invention is simple, the circuit is simplified, and the cost is reduced.

100: electrical connector

14: Connection part

21: Ground outer layer

22: Signal layer

23: Grounded inner layer

30: Board body

31: Convex

43: Flexible arm

51: Chuck

61: shrapnel

7: Shell

Claims (10)

An electrical connector includes: an insulating body; at least one soft board, the soft board is arranged in the insulating body, the soft board is provided with a grounded outer layer, a signal layer and a grounded inner layer, the grounded outer layer Set on the outer side of the signal layer, the grounded inner layer is set on the inner side of the signal layer, the signal layer is provided with a plurality of lines, and the plurality of lines are provided with a main body, a contact part and a welding Part, the main body part extends forward to form the contact part, and the main body part extends backward to form the welding part; at least one positioning block is provided on the outer surface of the soft board, and the positioning The block is provided with a plate body, and at least one positioning post is provided at the front end of the outer surface of the plate body; at least one elastic member is provided with a fixing part, and at least one positioning hole is formed on the fixing part The positioning hole is fastened to the positioning post, and the front end of the fixing portion is provided with a plurality of elastic arms, and the plurality of elastic arms are attached to the outer surface of the grounded outer layer of the soft board and correspond to the plurality of contact portions And a shell covering the insulating body, the main body portion and the contact portion of the soft board, the positioning block and the elastic member. The electrical connector according to claim 1, wherein the length of the ground outer layer is equal to the length of the signal layer, the length of the signal layer is greater than the length of the ground inner layer, and the contact portion of the signal layer Exposed on the grounded inner layer. The electrical connector according to claim 2, wherein the width of the contact portion does not exceed the width of the welding portion. The electrical connector according to claim 2, wherein both the grounded outer layer and the grounded inner layer are provided with a mesh structure, and the mesh structure corresponds to the position of the main body. The electrical connector according to claim 4, wherein the mesh structure is formed by etching on a flexible copper foil substrate, and the flexible copper foil substrate is adhered to the grounded outer layer and the grounded inner layer, respectively. The electrical connector according to claim 2, wherein the grounded outer layer and the grounded inner layer are both provided with a chip structure, and the chip structure corresponds to the position of the main body. The electrical connector according to claim 6, wherein the sheet structure is formed by etching on a flexible copper foil substrate, and the flexible copper foil substrate is adhered to the grounded outer layer and the grounded inner layer, respectively. The electrical connector according to claim 1, wherein the rear end of the outer surface of the positioning block is provided with a protruding part, the left and right sides of the protruding part are respectively provided with a positioning foot extending outward, and the insulating body is The rear ends of the left and right sides of the upper and lower surfaces are respectively provided with a groove, and the positioning foot is fixed to the groove of the insulating body. The electrical connector according to claim 1, further comprising a plurality of shielding sheets, the shielding sheets are arranged opposite to the front end of the insulating body, the upper and lower surfaces of the front end of the insulating body are provided with a plurality of recesses, the shield The sheet is arranged at the position of the recess, the recess is provided with a plurality of through holes formed through the upper and lower surfaces of the recess, the front end of the mask sheet is provided with a plurality of elastic sheets extending obliquely forward, and the plurality of elastic sheets are arranged at In a plurality of said through holes. An electrical connector, comprising: an insulating body, the insulating body is provided with an upper part and a lower part, and a connecting part is connected between the upper part and the lower part; Two soft boards are respectively arranged on the upper part and the lower part of the insulating body and separated by the connecting part. Each soft board is provided with a signal layer, a grounded outer layer and a grounded inner layer. The ground The outer layer is arranged on the outer side of the signal layer, the grounded inner layer is arranged on the inner side of the signal layer, the signal layer is provided with a plurality of lines, and each of the lines is provided with a body part, a contact part and a The welding part, the main body part extends forward to form the contact part, and the main body part extends backward to form the welding part; two positioning blocks are respectively arranged on the outer surface of the grounded outer layer of the two soft boards, The two positioning blocks correspond to the positions of the main body portions of the signal layers of the two soft boards, and each positioning block is provided with a plate body portion, and the front end of the outer surface of the plate body portion is provided with at least A positioning column; two elastic members, each of the elastic members is provided with a fixing part, the fixing part forms at least one positioning hole, the positioning hole is buckled with the positioning pillar, and the front end of the fixing part is provided with a plurality of elastic arms , The plurality of elastic arms are attached to the outer surface of the grounded outer layer of the soft board, and correspond to the plurality of contact portions; and a shell covering the insulating body and the two soft boards The main body portion and the contact portion of the signal layer, the two positioning blocks, and the two elastic members.

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