TWM472974U - Electrical connector structure - Google Patents

Description

Electrical connector structure

The present invention relates to an electrical connector structure, and more particularly to an electrical connector structure applied to the USB 3.0 specification.

With the increasing demand for convenient applications of electronic products, and thus the continuous attention of various manufacturers, in order to improve the competitiveness of electronic products, manufacturers must constantly strengthen and expand the functions of electronic products, so all kinds of electronic products are oriented In addition to being thin and light, the structure and transmission speed of the model are also required to be increased, so as to improve the convenience of the user in operation and use.

Since the electrical connector structure is used to connect signals between electronic products or between components in an electronic product, the importance of the electrical connector structure in electronic products is beyond words. How do manufacturers construct electrical connector structures? It is easy to assemble, reduce the assembly cost, and at the same time can take into account the function of the electrical connector structure, has become a competition among manufacturers.

In the electronic connector, the USB connector also has the biggest breakthrough. The USB (Universal Serial Bus) universal serial bus is a serial bus standard for connecting external devices. It is widely used on computers and is the most common. Specifications can also be used in set-top boxes and game consoles. Even many industrial instruments are connected to computers via USB. USB not only provides peripheral device data transmission, but also power supply. On-The-Go plug-and-play features are more. Can make portable devices straight Exchange data.

USB was originally a USB1.0 specification from the beginning, and its transmission speed was 1.5Mb/s. In 1998, the USB2.0 specification was introduced, and the transmission speed was increased to 12Mb/s, which is widely used in electronic products. In the current, the latest USB3.0 specification will increase the transmission speed to 5.0Gb/s, which is more than 10 times that of the USB2.0 specification. Since the speed is much higher than before, it has become a product promoted by various manufacturers in the future. .

Therefore, in the future of USB3.0 products, how to achieve the purpose of simple manufacturing of USB3.0 products has become a problem that manufacturers need to overcome, and the required connection of USB3.0 products. There are a large number of terminals, so how to increase the welding strength of the USB3.0 electrical connector structure soldered to the circuit board of the electronic product is also one of the problems that need to be overcome at present.

Continuing, please refer to the Patent Publication No. M387417 of the Republic of China, which discloses a USB connector comprising: a substrate having a plurality of first contact pads and a plurality of second contact pads exposed on the substrate; and a connection The device has a plurality of slots and a plurality of terminals, wherein one end of the plurality of terminals is respectively inserted into the plurality of slots and exposed to the slot, and the other ends of the plurality of terminals are respectively associated with the second The contact pads are in contact to form a USB connector.

Please refer to the Patent Publication No. M412498 of the Republic of China, which discloses a USB connector, comprising: a connector body having a plurality of slots, a plurality of first terminals and a plurality of second terminals, wherein each The two slots are separated by a slotted column, and one end of the plurality of first terminals is respectively disposed below the plurality of slotted columns and exposed to the plurality of slotted columns and then extended forward, and the other ends are respectively downwardly After bending, it extends horizontally to form a a soldering end, one end of the plurality of second terminals is respectively inserted into the plurality of slots and exposed to the slot, and the other end is bent downward and then extended horizontally to form a soldering end; And a substrate having a plurality of first contact pads and a plurality of second contact pads thereon, and the plurality of first contact pads and the plurality of second contact pads are staggered to respectively supply the plurality of first terminals And the plurality of second terminals are coupled to form a USB connector.

Only the terminals of the above USB connector can provide electrical contact, but the terminals are fixed to the circuit board by soldering, and then re-de-soldering and then re-welding, which causes inconvenience in the manufacturing process, and is more likely Increase manufacturing costs.

It can be seen that there are still many shortcomings in the above-mentioned conventional structure, which is not a good designer, but needs to be improved.

In view of the shortcomings derived from the above-mentioned conventional structure, the creators of this case have improved and innovated, and after years of painstaking research, they finally succeeded in research and development of the electrical connector structure.

The purpose of the present invention is to make contact with the mating connector through the bridging arm contact terminal and the contact pad on the circuit board to make it electrically connected to the mating connector.

Another purpose of this creation is to complete the assembly of electrical connectors by means of lap joints rather than soldering, reducing and avoiding the soldering time and cost required for soldering.

In order to achieve the above object, the present invention comprises a circuit board, an insulating body disposed on the circuit board, and a resilient arm conductive terminal fixed on the insulating body, wherein the front end of the circuit board is provided with a metal wiring as a plurality of USB2.0 specifications. a planar connection terminal, the rear row of the planar connection terminal is provided with a contact pad; and the elastic arm conductive terminal comprises a fixing portion fixed to the insulating body, The front end of the fixing portion extends downwardly with a supporting portion, and the supporting portion further has an elastic contact portion extending upwardly, and a lower surface of the contact portion extends with a contact convex portion through which the contact pad can be connected with the contact pad on the circuit board. Contact each other.

When the insulative housing is disposed on the circuit board, the contact protrusions of the elastic terminal of the elastic arm are in overlapping contact with the contact pads, and the support portion is pressed against the upper edge of the circuit to provide a supporting force of the contact portion. At this time, the planar connection terminal and the elastic arm conductive terminal are formed in accordance with the USB3.0 specification, and when the circuit board and the insulating body are covered by the housing, the front end forms a pair of connection spaces; when the docking connector is inserted, the system respectively The planar connection terminal on the circuit board and the elastic arm conductive terminals are in contact with each other to achieve electrical connection.

In order to achieve the above other object, the elastic terminal of the elastic arm of the present invention is first fixed to the insulating body, and then the circuit board is inserted and assembled into the housing through the insulating body, and the contact portion of the conductive terminal of the elastic arm is in contact with the contact. The mats overlap each other, thereby enabling the docking connector to be inserted and electrically contacted, which achieves another purpose of the present creation.

1‧‧‧Insulating body

11‧‧‧ slotting

12‧‧‧ Positioning Department

13‧‧‧stop

2‧‧‧Bounce arm conductive terminal

21‧‧‧ Fixed Department

22‧‧‧Support

23‧‧‧Contacts

24‧‧‧Contact convex

3‧‧‧Circuit board

31‧‧‧Flat connection terminal

32‧‧‧Contact pads

4‧‧‧Shell

41‧‧‧ accommodating space

42‧‧‧stop film

43‧‧‧ openings

The first picture is a three-dimensional exploded view of the creation.

The second figure is a partial exploded perspective view of the present creation.

The third figure is another partial exploded perspective view of the present creation.

The fourth picture is a three-dimensional combination of the creation.

The fifth figure is a schematic diagram of the three-dimensional structure of the conductive terminal of the present invention.

The sixth figure is a three-dimensional structure diagram of the conductive terminal at another angle of the present creation.

The seventh picture is a schematic diagram of the cross-sectional structure of the present creation.

The above and other objects, features and advantages of the present invention will become more apparent and understood.

Referring to the first to seventh figures, the structure of the present invention includes: an insulative housing 1 made of an insulating material, the insulative housing 1 being a flat plate structure having a plurality of front ends The groove 11 has a rib structure formed on the two sides of the insulating body 1 , and a positioning portion 12 is respectively protruded from the two sides of the insulating body 1 , and a bottom portion extends and protrudes to extend a stop portion 13 . The insulative housing 1 and the stop portion 13 are slightly L-shaped. The plurality of elastic arm conductive terminals 2 include a fixing portion 21 fixed to the insulative housing 1. The front end of the fixing portion 1 extends a support portion 22 toward the bottom portion. The support portion 22 is received in the slot 11 of the insulative housing 1 , and the front end of the support portion 22 extends upwardly with an elastic contact portion 23 for the opposite docking of the mating connector. The lower edge of the elastic contact portion 23 extends with a contact protrusion 24 which is lower than the lower surface of the support portion 22. The above-mentioned elastic arm conductive terminal 2 is fixed by insert molding. The insulating body 1; a circuit board 3, the circuit board 3 is There is an electronic component (not shown), and the front end of the circuit board 3 is provided with a metal wiring as a plurality of planar connection terminals 31 of the USB 2.0 specification, and the rear of the planar connection terminal 31 is provided with a contact pad 32, and the contact pad 32 is provided. The number is the same as the number of the elastic arm terminals 31 of the elastic arm, whereby the elastic arm conductive terminals 31 are overlapped with each other; a casing 4 is made of a metal material, and the insulating body 1 and the circuit can be The front end of the housing 4 is formed with an accommodating space 41, and the front end of the housing 4 is bent toward the accommodating space to have a stop piece 42. The height of the stop piece 42 is substantially Circuit board 3 is the same height, so as to position the circuit board 3, the ends of the housing 4 are respectively formed with an opening 43; when assembled, the bottom of the insulating body 1 is abutted against the end of the circuit board 3 The insulative housing 1 is disposed on the circuit board 3, and the contact portion 23 of the elastic arm terminal 2 is in contact with the contact pad 32 on the circuit board 3, and the support portion 22 is resisted. The upper edge of the circuit board 3 provides the supporting force required for the contact portion 23, and the planar connecting terminal 31 and the contact portion 23 of the elastic arm conductive terminal 2 form a USB 3.0 standard, and the insulating body 1 faces the shell. When the accommodating space 41 in the body 4 is inserted, the positioning portions 12 on both sides of the insulating body 1 are inserted into the openings 43 on both sides of the housing 4, and the circuit board is passed through the front end stop plate 42 of the housing 4. The positioning of the stop is such that the housing 4 encloses the circuit board 3 and the insulative housing 1. At this time, a front end of the housing 4, the circuit board 3 and the contact portion 23 form a docking space for the docking connector to be docked and docked. .

The arrangement of the planar connection terminal 31 and the elastic arm conductive terminal 2 conforms to the transmission specification structure of the USB 3.0. Therefore, the planar connection terminal 31 and the contact portion 23 of the elastic arm conductive terminal 2 are arranged in two rows, wherein the planar connection terminal 31 The rows are arranged in the front row, and the contact portions 23 of the elastic arm conductive terminals 2 are arranged in the rear row.

The detailed description above is a detailed description of one of the possible embodiments of the present invention, and the embodiment is not intended to limit the scope of the patents, and the equivalent implementations or modifications that are not included in the spirit of the present invention should be included in The patent scope of this case. The scope of protection of this creation should be as described in the scope of the patent application described later.

1‧‧‧Insulating body

11‧‧‧ slotting

12‧‧‧ Positioning Department

13‧‧‧stop

2‧‧‧Bounce arm conductive terminal

21‧‧‧ Fixed Department

22‧‧‧Support

23‧‧‧Contacts

3‧‧‧Circuit board

31‧‧‧Flat connection terminal

32‧‧‧Contact pads

4‧‧‧Shell

41‧‧‧ accommodating space

42‧‧‧stop film

43‧‧‧ openings

Claims (7)

An electrical connector structure comprising: a circuit board having a plurality of planar connection terminals at a front end thereof; the rear connection of the planar connection terminal is provided with a contact pad; an insulative body is disposed on the circuit board; and the plurality of elastic arms are electrically conductive The terminal includes a fixing portion fixed to the insulating body and a supporting portion extending from the front end of the fixing portion against the circuit board, and an elastic contact portion extending from the supporting portion, and the contact convex portion of the elastic contact portion The cover is overlapped with the contact pads on the circuit board; a housing is configured to receive the insulating body and the circuit board; and when the insulating body and the circuit board are received in the housing, the elastic arm is conductive The terminal contact portion is overlapped on the contact pad of the circuit board to achieve electrical connection. The electrical connector structure according to claim 1, wherein the insulating system is made of an insulating material and has a flat structure. The electrical connector structure of claim 1, wherein the planar connection terminal of the circuit board and the circuit board are metal wiring, and conform to the USB 2.0 specification. The electrical connector structure of claim 1, wherein the front end of the insulating body is provided with a slot for receiving the elastic terminal support portion of the elastic arm. The electrical connector structure of claim 1, wherein the two sides of the insulating body respectively have a positioning portion extending therefrom, and the two ends of the housing are respectively formed with an opening for receiving the positioning portion. The positioning portion and the opening are mutually buckled, so that the insulating body is fixed in the housing. The electrical connector structure of claim 1, wherein the elastic arm guide The electrical terminals are fixed to the insulative body by insert molding. The electrical connector structure of claim 1, wherein the front end of the housing is bent with a stop piece, the height of the stop piece is substantially the same as the height of the circuit board, and the bottom end of the insulating body is extended. The protrusion extends a stop portion, and the stop of the circuit board abuts against the stop of the stop piece through the stop portion of the insulating body, thereby positioning the circuit board stop.