TWM516788U - Electrical connector - Google Patents

Description

Electrical connector

The present invention relates to an electrical connector, and more particularly to an electrical connector that supports forward and reverse insertion.

The USB connector currently seen on the market consists of a USB socket connector and a USB plug connector. The USB socket is generally installed on the host computer, and the USB plug is installed on the USB flash drive, MPC, data cable, etc., although the current USB connector It has anti-missing function, but when plugging the USB plug connector, it is difficult for the user to directly plug the USB plug connector into the USB socket at a time. In the wrong direction, the USB plug connector must be reversed to be inserted into the USB socket. Inside the connector, especially the rear USB socket connector of some electronic devices, because the user can not face the USB socket connector, and can not accurately locate the position of the USB socket connector, only the location of the USB socket connector can be explored. Even if you touch the position of the USB socket connector, the plug may be reversed in direction, and the USB plug connector needs to be reversed to explore the position of the USB socket connector again, which brings great inconvenience to the user.

Therefore, it is necessary to improve the above technical problems.

The main purpose of this creation is to provide an electrical connector that is easy to plug.

The present invention achieves the above object by the following technical solution: an electrical connector comprising an insulative housing and first and second terminal sets, each terminal having a contact portion, wherein the electrical connectors are flush with each other The upper and lower insertion holes have the same thickness and width, and the terminals of the first and second terminal groups are electrically connected one by one, and the contact portion of the first terminal group is upward. Exposed to the upper insertion hole, the contact portion of the second terminal group is exposed downward to the lower insertion hole, the contact portions of the first and second terminal groups are aligned one by one, and the first terminal group further includes being fixed to the insulation The fixing portion on the main body and the hanging portion connecting the contact portion and the fixing portion, and the elastic swing of the floating portion can urge the contact portions of the first and second terminal groups to move up and down.

The present invention is provided with upper and lower insertion holes which are flush with each other, and the upper and lower insertion holes have the same thickness and width, and the terminals in the first and second terminal groups are electrically connected one by one. The contact portion of the first terminal group is exposed upwardly to the upper insertion hole, the contact portion of the second terminal group is exposed downward to the lower insertion hole, and the contact portions of the first and second terminal groups are aligned one by one. The first terminal set further includes a fixing portion fixed to the insulating body and a hanging portion connecting the contact portion and the fixing portion, and the elastic swing of the floating portion can cause the contact portions of the first and second terminal groups to move up and down, so that the design The electrical connector can be inserted into the docking connector in the forward or reverse direction, and there is no need to worry about the situation that the plug is not in place, which brings great convenience to the user; the design of the floating portion of the first terminal group can relax the upper and lower portions Swinging, driving the contact portions of the first and second terminal groups to move up and down, the thickness of the upper and lower insertion holes can be relatively increased and reduced, reducing the interference force between the electrical connector and the mating connector, and reducing the insertion force. Avoid being held up, electrical connection Plug smooth and easy.

Referring to the first to sixth figures, the present electrical connector 100 is a USB plug connector for soldering to a motherboard or cable (not shown). The electrical connector 100 includes an insulative housing 10, a first terminal set 20, a second terminal set 30, a built-in circuit board 40, an insulating block 50, and a metal housing 60.

The insulative housing 10 is formed in an L-shape, and includes an main body 11 , a support portion 12 projecting rearward from the bottom of the main body 11 , and a pair of extending portions 13 projecting forwardly from the left and right ends of the main body 11 . The row of the fixing holes 110 and the upper surface of the supporting portion 12 are recessed with a plurality of grooves 120 spaced apart from each other. The fixing holes 110 are higher than the grooves 120 and communicate with the grooves 120 one by one. The pair of extending portions 13 are vertically aligned and spaced apart to form a receiving space 130 therebetween. The receiving space 130 is in communication with the fixing hole 110.

Each terminal of the first terminal group 20 includes a contact portion 25, a floating portion 26, a fixing portion 27 and a welded portion 28. The contact portion 25 is located at the front end, and the welded portion 28 is located at the rear end. The floating portion 26 has elasticity and can be elastically oscillated up and down. The hanging portion 26 is connected between the contact portion 25 and the fixing portion 27, and the fixing portion 27 is connected between the floating portion 26 and the welded portion 28. The contact portion 25, the hanging portion 26 and the fixing portion 27 are collectively located on the same horizontal line, and are fixed. The portion 27 is fixed in the fixing hole 110 of the insulative housing 10, and the soldering portion 28 is received in the recess 120 and exposed to the outside for soldering with the cable. The hanging portion 26 is suspended in the receiving space 130 and partially protrudes forward. The insulating body 10 is taken out. In other embodiments, the first terminal set 20 is embedded in the insulative housing 10.

The first and second terminal groups 20 and 30 have the same number of terminals, and each of the terminal groups 20 and 30 conforms to the USB 2.0 transmission protocol, and includes a ground terminal 21, 31, a power terminal 22, 32, and the ground terminals 21, 31 and The pair of differential signal terminals 23, 33 between the power terminals 22, 32, the first and second groups of terminals 20, 30 are arranged in the opposite direction in the left-right direction, that is, the first terminal group 20 is arranged from left to right, and the second terminal Group 30 is arranged from right to left.

The second terminal group 30 is spaced apart from the insulative housing 10, and is spaced apart from the first terminal group 20. Each terminal of the second terminal group 30 has a contact portion 35, and the first and second terminal groups 20, 30 are in contact with each other. The next alignment of the portions 25 and 35, the contact portion 25 of the first terminal group 20, the ground terminal 21, the differential signal terminal 23 and the power terminal 22 are sequentially connected to the second terminal group 30, the power terminal 31, the differential signal terminal 33 and the power terminal 32. The contact portion 35 is aligned up and down.

The built-in circuit board 40 is located between the contact portions 25 and 35 of the first and second terminal groups 20 and 30. The contact portion 25 of the first terminal group 20 is soldered to the upper surface of the built-in circuit board 40, and the floating portion 26 extends rearward to extend the built-in circuit. The contact portion 35 of the second terminal group 30 is soldered to the lower surface of the built-in circuit board 40, so that the first and second terminal groups 20 and 30 are electrically connected one by one through the built-in circuit board 40. Specifically, the first The ground terminals 21 and 31 of the second terminal groups 20 and 30, the differential signal terminals 23 and 33, and the power terminals 22 and 32 are electrically connected one by one, and the second terminal group 30 can pass through the first terminal group 20 and the mother circuit board or Cables are connected. The second terminal set 30 is a metal piece, which is resistant to wear and ensures reliability in contact with the mating connector. In other embodiments, the second terminal set 30 is replaced with a gold finger, which simplifies the manufacturing process. Alternatively, the internal circuit board 40 is eliminated, and the first and second terminal groups 20, 30 are contacted or integrally connected together.

The insulating block 50 is overmolded on the outside of the first and second terminals 20, 30 of the contact portions 25, 35 and the built-in circuit board 40, and the contact portions 25, 35 are exposed on the outer surface of the insulating block 50 for use with the mating connector (not Show) contact. In other embodiments, the insulating block 50 is sleeved on the built-in circuit board 40.

The metal housing 60 includes a top wall 61, a bottom wall 62, and two side walls 63 connecting the top wall 61 and the bottom wall 62. A plug hole 65 is formed between the top wall 61, the bottom wall 62 and the two side walls 63. The insulating block 50 The insertion hole 65 is divided into an upper insertion hole 651 and a lower insertion hole 652 at an intermediate position of the insertion hole 65. The upper insertion hole 651 and the lower insertion hole 652 have the same thickness and width and are flush up and down, and the top wall 61. The bottom wall 62 is spaced apart from the insulating block 50, respectively. The two side walls 63 and the insulating block 50 are adjacent to each other to allow a gap. The contact portion 25 of the first terminal group 20 is upwardly exposed to the upper insertion hole 651, and the floating portion 26 is suspended. In the upper insertion hole 651, the contact portion 35 of the second terminal group 30 is exposed downward to the lower insertion hole 652.

When the electrical connector 100 is forwardly docked, the docking connector enters the upper plug hole 651 to be in contact with the first terminal group 20; when the electrical connector 100 is reversely docked, the docking connector enters the lower plug hole 653, and the When the two terminal groups 30 are in contact, the user feels the position of the docking connector, and there is no need to worry about the situation that the plug is not in place, which brings great convenience to the user. The design of the floating portion 26 of the first terminal group 20 allows the floating portion 26 to be vertically oscillated vertically, and the contact portions 25 and 35 of the first and second terminal groups 20 and 30 are moved up and down, and the upper and lower insertion holes 651 and 652 are inserted. The thickness can be relatively increased and reduced, the interference force between the electrical connector 100 and the mating connector is reduced, the insertion force is reduced, and the electrical connector 100 is inserted smoothly and easily.

Referring to the seventh embodiment, in the electrical connector 200 of another embodiment of the present invention, the floating portion 76 of the first terminal set 70 is provided with an arc-shaped bent portion 760, and the bent portion 760 of the portion of the floating portion 76 is convex upward. The bent portion 760 of the other portion of the hanging portion 76 protrudes downwardly, and the bent portion 760 can increase the elasticity of the hanging portion 76. After the electrical connector 200 is inserted multiple times, the floating portion 76 can maintain better elastic performance. Extending the service life of the electrical connector 100. In addition, arc-shaped convex portions 82 are provided on both sides of the insulating block 80. When the insulating block 80 moves up and down, the friction between the insulating block 80 and the metal casing 90 can be reduced.

The disclosure of the preferred embodiment of the present invention is not intended to limit the scope of the present invention. Any person skilled in the art can make some modifications and refinements without departing from the spirit and scope of the present invention. This is subject to the definition of the scope of the patent application.

100‧‧‧Electrical connector
10‧‧‧Insulated body
11‧‧‧ Subject
110‧‧‧Fixed holes
12‧‧‧Support
120‧‧‧ Groove
13‧‧‧Extension
130‧‧‧ accommodating space
20‧‧‧First terminal group
25‧‧‧Contacts
26‧‧‧Overhead
27‧‧‧ Fixed Department
28‧‧‧Weld Department
30‧‧‧Second terminal group
21, 31‧‧‧ Grounding terminal
22, 32‧‧‧ power terminals
23, 33‧‧‧Differential signal terminals
40‧‧‧ Built-in board
50‧‧‧Insulation block
60‧‧‧Metal housing
61‧‧‧ top wall
62‧‧‧ bottom wall
63‧‧‧ side wall
65‧‧‧ Sockets
651‧‧‧Upper hole
652‧‧‧Under the hole
200‧‧‧Electrical connector
70‧‧‧First terminal group
76‧‧‧ vacant department
760‧‧‧Bend
80‧‧‧Insulation block
82‧‧‧ convex
90‧‧‧Metal housing

The first figure is a three-dimensional combination diagram of the creative electrical connector.

The second figure is a cross-sectional view of the first figure taken along the line A2-A2.

The third figure is a perspective view of the metal housing of the creative electrical connector separated from the insulating body.

The fourth figure is an exploded perspective view of the creative electrical connector.

The fifth figure is an exploded perspective view of another angle of the creative electrical connector.

The sixth figure is a perspective exploded view of the fourth figure further exploded.

Figure 7 is a perspective view of another embodiment of the electrical connector of the present invention, showing the metal housing separated from the insulating body.

10‧‧‧Insulated body

25‧‧‧Contacts

26‧‧‧Overhead

28‧‧‧Weld Department

50‧‧‧Insulation block

60‧‧‧Metal housing

61‧‧‧ top wall

62‧‧‧ bottom wall

63‧‧‧ side wall

65‧‧‧ Sockets

Claims (10)

An electrical connector includes an insulative housing and first and second terminal sets, each of which is provided with a contact portion, wherein the electrical connector is provided with a flush upper and a lower insertion hole, the upper, The thickness of the lower insertion hole is the same as the width, the terminals of the first and second terminal groups are electrically connected one by one, the contact portion of the first terminal group is exposed upward to the upper insertion hole, and the second terminal The contact portions of the group are exposed downwardly to the lower insertion holes, and the contact portions of the first and second terminal groups are aligned one by one, the first terminal group further includes a fixing portion fixed to the insulating body, and the connecting contact portion and the fixing portion The elastic portion of the suspended portion can cause the contact portions of the first and second terminal groups to move up and down. The electrical connector of claim 1, wherein the electrical connector further comprises a built-in circuit board between the first and second terminal group contacts, the contacts of the first terminal group being soldered to the built-in circuit board The surface, the contact portion of the second terminal group is soldered to the lower surface of the built-in circuit board, and the first and second terminal groups are electrically connected by the built-in circuit board. The electrical connector of claim 2, wherein the built-in circuit board is spaced back and forth from the insulative housing and is movable up and down following the contact portions of the first and second terminal groups, the first terminal group extending rearward beyond the built-in Circuit board. The electrical connector of claim 2, wherein the electrical connector further comprises a metal housing and an insulating block overmolded on the outside of the contact portion and the built-in circuit board, the metal housing including a top wall and a bottom The wall and the two side walls connecting the top wall and the bottom wall, a plug hole is formed between the top wall, the bottom wall and the two side walls, and the insulating block is located in the plug hole to divide the plug hole into the upper plug hole And the lower insertion hole. The electrical connector of claim 4, wherein the insulating block is spaced back and forth from the insulating body and is movable up and down following the contact portions of the first and second terminal sets. The electrical connector of claim 4, wherein the suspended portion is suspended in the upper insertion hole to be vertically swingable, and the contact portion is located on the same horizontal line as the suspended portion. The electrical connector of claim 1, wherein the insulative housing comprises a main body and a pair of extensions projecting forwardly from the left and right ends of the main body, the pair of extensions being aligned left and right to form a receiving space The floating portion is suspended in the receiving space and partially protrudes forwardly from the insulating body. The electrical connector of claim 1, wherein the first and second terminal groups conform to a USB 2.0 transmission protocol, and include a ground terminal, a power terminal, and a pair of differences between the ground terminal and the power terminal. The signal terminals are arranged in the opposite order of the first and second terminal groups in the left-right direction. The electrical connector of claim 1, wherein the second terminal group is spaced apart from the insulative housing, and the floating portion is provided with an arc-shaped bent portion, and a bent portion of the portion of the suspended portion protrudes upward. The bent portion of the other portion of the hanging portion protrudes downward. The electrical connector of any of claims 1-6, wherein the second terminal set is replaced by a gold finger.