TWM468071U - Electrical connector - Google Patents

Description

Electrical connector

The present invention relates to an electrical connector, in particular to a conductive terminal that is pressed through An electrical connector in electrical contact with the circuit board.

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 electrical connectors are used to connect signals between electronic products or between components in an electronic product, the importance of electrical connectors in electronic products is beyond words. How can manufacturers easily assemble electrical connectors during manufacturing? , to reduce the cost of assembly, while at the same time taking into account the effectiveness of electrical connectors, 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 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 successfully developed and completed the electrical connector.

The purpose of the creation is to enable the pressing portion of the conductive terminal to be pressed through the pressing portion of the fixing member to achieve the electrical contact between the conductive terminal and the circuit board.

Another purpose of the present invention is to enable the insulating body and the circuit board to be fixed in the housing through the fixing member, so as to achieve stable electrical contact of the conductive terminals.

Another object of the present invention is to position the front end of the circuit board through the positioning portion of the front end of the casing, so as to prevent the front end of the circuit board from being lifted after the fixing member is inserted into the casing, thereby affecting the stability of the electrical connection. .

In order to achieve the above object, the present invention comprises an insulative body and is fixed thereto. a flat conductive terminal on the insulating body and a resilient arm conductive terminal; the contact portion of the flat conductive terminal and the elastic arm conductive terminal is exposed on the insulating body, and the overlapping portion is exposed at the rear end of the insulating body to conform to USB3.0 a specification structure; a circuit board is provided for the insulative housing, and a contact portion is disposed at a relative position of the overlapping portion; a casing is for covering the insulative housing and the circuit board; a fixing member The top of the fixing member and the rear end of the circuit board are inserted into the housing; wherein the front end of the fixing member is provided with a pressing portion, and the pressing portion is electrically conductive when the fixing member is inserted into the housing. The overlapping portion of the terminal is pressed to make electrical contact with the contact portion of the circuit board.

In order to achieve the above other object, the bottom of the fixing member of the present invention respectively has a circuit board abutting portion and an insulating body abutting portion. When the fixing member is inserted into the casing, the circuit board abutting portion and the insulating body are abutted. The portions are respectively abutted against the ends of the circuit board and the insulating body, and at the same time generate a force for displacement in the housing, thereby achieving the purpose of stabilizing the circuit board and the insulating body in the housing.

In order to achieve the above other object, the two sides of the insulating body of the present invention are respectively provided with a positioning terminal, the contact portion height of the positioning terminal is slightly lower than the upper surface of the insulating body; and the position of the housing relative to the contact portion is A positioning portion is protruded. When the insulating body is inserted into the housing, the contact portion of the positioning terminal is in contact with the positioning portion, and the positioning portion of the housing is prevented from being flipped up and tilted toward the housing. Another purpose of creation.

1‧‧‧Insulating body

11‧‧‧Slab conductive terminal receiving slot

12‧‧‧Bouncing arm conductive terminal receiving slot

13‧‧‧ positioning terminal receiving slot

14‧‧‧Extension

15‧‧‧ accommodating space

2‧‧‧Bounce arm conductive terminal

21‧‧‧ Fixed Department

22‧‧‧Contacts

23‧‧‧ lap joint

3‧‧‧Slab conductive terminals

31‧‧‧ Fixed Department

32‧‧‧Contacts

33‧‧‧ lap joint

4‧‧‧ Positioning terminal

41‧‧‧ Fixed Department

42‧‧‧Contacts

5‧‧‧Circuit board

51‧‧‧Contacts

6‧‧‧Shell

61‧‧‧ docking space

62‧‧‧stop

63‧‧‧Limited

64‧‧‧ Positioning plate

7‧‧‧Fixed parts

71‧‧‧Circuit board abutment

72‧‧‧Insulation body abutment

73‧‧‧ Pressing Department

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

The second picture is an exploded perspective view of another angle of the creation.

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

The fourth picture is a further partial exploded view of the creation.

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

The sixth picture is a schematic diagram of the side structure of the creation.

The seventh figure is a schematic diagram of another implementation structure of the present creation.

The eighth figure is a schematic diagram of another implementation 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 sixth figures, the creative electrical connector includes: An insulative housing 1 is made of an insulating material, and the insulative housing 1 is a flat plate structure, and is provided with a flat conductive terminal receiving groove 11 in the front row and a resilient arm conductive terminal in the rear row. The slot 12 is provided with a conductive terminal, and the two sides of the insulating body 1 are respectively provided with a positioning terminal receiving groove 13 , and the front end of the positioning terminal receiving groove 13 is lower than the upper surface of the insulating body 1; An extending portion 14 is respectively formed on both sides of the rear end, and an accommodating space 15 of the conductive terminal lap portion is formed between the two extending portions 14; the plurality of elastic arm conductive terminals 2 are fixed to the insulating body. The fixing portion 21 of the elastic arm terminal accommodating groove 12 and the contact portion 22 and the lap portion 23 extending from both ends of the fixing portion 21 are fixed to the insulating body 1 , and the contact portion 22 is Exposed on the upper surface of the insulative housing 1 , and the lap portion 23 is exposed outside the insulative housing 1 and received in the accommodating space 15 of the insulative housing 1 , wherein the lap portion 23 is directed toward the insulative housing 1 The lower surface direction is bent, specifically, the lap 2 3 from the side view of a V-shaped structure, so that it can be brought into contact with the downward contact, and generate an elastic force; The plurality of flat-plate conductive terminals 3 include a fixing portion 31 fixed to the flat conductive terminal accommodating groove 11 of the insulating body 1 and a contact portion 32 and a lap portion 33 extending from both ends of the fixing portion 31. The contact portion 32 is a flat plate. The splicing portion 33 extends to the outside of the insulative housing 1 and is disposed in the accommodating space 15 of the insulative housing 1 , wherein the lap portion 33 is coupled to the elastic arm The overlapping portion 23 of the conductive terminal 2 is the same, and the structure of the overlapping portion 23 is bent toward the lower surface of the insulating body 1. Specifically, the overlapping portion 23 is formed in a V-shaped structure from the side. The locating portion 4 includes a fixing portion 41 fixed to the insulating body 1 and a contact portion 42 extending from the front end of the fixing portion 41, the contact portion 42 is in the form of a flat plate, and after being fixed in the insulative housing 1, the contact portion 42 is lower than the upper surface of the insulative housing 1, so that the contact portion 42 and the insulative housing 1 form a stepped structure; a circuit board 5, the circuit board 5 can be provided with electronic components (not shown The circuit board 5 is provided with a contact portion 51 for electrically connecting the flat conductive terminals 3 and the overlapping portions 33 and 23 of the elastic arm conductive terminals 2; a housing 6 which is metal The material is made of the insulating body 1 and the circuit board 5, and the front end of the housing 6 and the front end of the insulating body 1 form a pair of connecting spaces 61 for mating the docking electrical connectors. The front end of the housing 6 is bent toward the docking space to have a stopping portion 62. The height of the stopping portion 62 is substantially the same as that of the circuit board 5 and the insulative housing 1 so that the stop position can be positioned, and the housing 6 is a limiting portion 63 is formed on the two sides of the mating space 61, and the limiting portion 63 is in contact with the contact portion 42 of the positioning terminal 4; a fixing member 7 is attached to the insulating body 1 and At the rear end of the circuit board 5, a bottom portion of the circuit board abutting portion 71 and an insulating body top abutting portion 72 are respectively extended at the bottom of the fixing member 7. When the fixing member 7 is inserted into the housing 6, the circuit board abutting portion 71 and the insulating body abutting portion 72 respectively abut against the ends of the circuit board 5 and the insulative housing 1 and simultaneously generate a displacement toward the housing 6. Therefore, the purpose of securing the circuit board 5 and the insulative housing 1 in the housing 6 is achieved. In addition, a pressing portion 73 is disposed on the bottom of the front end of the fixing member 7, and the overlapping portion 23 of the pressing portion 73 and the conductive terminal 23 And 33 are disposed corresponding to each other, so that when the fixing member 7 is inserted into the casing 6, the overlapping portions 23, 33 of the conductive terminals are pressed through the pressing portion 73 to make electrical contact with the contact portion 51 of the circuit board 5 .

The arrangement of the flat conductive terminal 3 and the elastic arm conductive terminal 2 conforms to the transmission specification structure of the USB 3.0, so the terminal contact portions 32 and 22 of the flat conductive terminal 3 and the elastic arm conductive terminal 2 are arranged in two rows, wherein the flat plate The contact portions 32 of the conductive terminals 3 are arranged in the front row, and the terminal contact portions 22 of the elastic arm conductive terminals 2 are arranged in the rear row.

Referring to the seventh figure, in this embodiment, the length of the circuit board 5 is shortened, so that it can be applied to an electronic device with fewer electronic components, so that the circuit board top abutting portion 71 of the present fixing member 7 is It is arranged forward in the direction of the casing, so that it can position the circuit board 5 against the same structure, and achieve the same purpose as the above structure, thereby improving the application range and field.

Referring to the eighth embodiment, in the embodiment, the stopping portion 62 of the front end of the housing 6 is further bent toward the docking space 61 to extend a positioning plate 64. The positioning plate 64 and the positioning terminal 4 are The contact portions 42 are in contact with each other such that the positioning plate 64 achieves the same function as the limiting portion 63 of the housing 6 described above, and the manufacturing purpose of the housing 6 is easy to manufacture and cost reduction.

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‧‧‧Slab conductive terminal receiving slot

12‧‧‧Bouncing arm conductive terminal receiving slot

13‧‧‧ positioning terminal receiving slot

14‧‧‧Extension

15‧‧‧ accommodating space

2‧‧‧Bounce arm conductive terminal

21‧‧‧ Fixed Department

22‧‧‧Contacts

23‧‧‧ lap joint

3‧‧‧Slab conductive terminals

31‧‧‧ Fixed Department

32‧‧‧Contacts

33‧‧‧ lap joint

4‧‧‧ Positioning terminal

41‧‧‧ Fixed Department

42‧‧‧Contacts

5‧‧‧Circuit board

51‧‧‧Contacts

6‧‧‧Shell

61‧‧‧ docking space

62‧‧‧stop

63‧‧‧Limited

7‧‧‧Fixed parts

73‧‧‧ Pressing Department

Claims (7)

An electrical connector includes: an insulative housing, which is respectively provided with a flat conductive terminal receiving groove in the front row and a resilient arm conductive terminal receiving groove in the rear row, and the opposite ends of the insulating body are respectively protruded An extension portion is formed, and an accommodating space is formed between the two extension portions; the plurality of elastic arm conductive terminals comprise a fixing portion fixed to the conductive terminal receiving groove of the elastic body of the insulating body and a contact portion extending from both ends of the fixing portion And the lap portion is exposed outside the insulating body and located in the accommodating space of the insulating body; the plurality of flat conductive terminals comprise a fixing portion fixed to the flat conductive terminal receiving groove of the insulating body and self-fixing a contact portion and a lap portion extending at both ends, the lap portion is exposed outside the insulating body and located in the accommodating space of the insulating body; and a circuit board having a conductive terminal for the flat plate a contact portion electrically connected to the overlapping portion of the elastic terminal of the elastic arm; a casing for enclosing the insulating body and the circuit board, wherein the front end of the casing is provided with a stopping portion in the direction of the docking space, so that Be able to Positioning the edge body and the circuit board stop; a fixing member, the bottom portion of the fixing member respectively extending a circuit board abutting portion and the insulating body top abutting portion, and the insulating body and the circuit board are abutted and fixed in the housing A pressing portion is disposed on the bottom of the front end of the fixing member, and the overlapping portion of the pressing portion and the conductive terminal are disposed corresponding to each other, and the overlapping portion of the conductive terminal is pressed through the pressing portion to electrically exchange the contact portion with the circuit board. Sexual contact. The electrical connector of claim 1, wherein the insulative body is The two sides are respectively provided with a positioning terminal receiving groove, and the height of the front end of the positioning terminal receiving groove is lower than the upper surface of the insulating body. The electrical connector of claim 1, wherein the contact portion is exposed on the upper surface of the insulating body after the elastic terminal of the elastic arm is fixed to the insulating body. The electrical connector of claim 1, wherein the lap joint structure of the elastic arm conductive terminal and the flat conductive terminal is bent toward the lower surface of the insulating body, and the V-shaped view is viewed from the side. The structure is such that it can be brought into contact with the downward contact and generate an elastic force. The electrical connector of claim 2, wherein the plurality of positioning terminals are inserted into the positioning terminal receiving groove of the insulative housing, and the positioning terminal comprises a fixing portion fixed to the insulative housing and a contact portion extending from a front end of the fixing portion, the contact portion being lower than an upper surface of the insulating body, such that a stepped structure is formed between the contact portion and the insulating body. The electrical connector of claim 5, wherein the housing is provided with a limiting portion extending inwardly on both sides of the mating space of the housing, the limiting portion being in contact with the positioning terminal The parts are positioned one on top of the other. The electrical connector of claim 5, wherein the stop portion of the housing is bent toward a direction of the interior of the housing to extend a positioning plate, and the positioning plate contacts the contact portion of the positioning terminal such that the contact portion Position the tablet.