CN207398397U - Board-to-Board Connector - Google Patents

Abstract

The utility model relates to a board-to-board connector, which comprises a first circuit board and a second circuit board; the first circuit board is provided with at least one notch; the second circuit board comprises a tongue piece part which is configured corresponding to the gap, a plurality of conductive parts which are arranged on two corresponding surfaces of the tongue piece part and a plurality of conductive parts which are electrically connected with the first circuit board; therefore, the utility model discloses a board to board connector can effectively reduce the height between first circuit board and the second circuit board to be applicable to and tend to among the frivolous electronic device.

Description

Board-to-Board Connector

technical field

The utility model relates to a connector, in particular to a board-to-board connector conforming to the USB Type-C interface specification.

Background technique

Since the newly developed USB Type-C connector has the advantages of the smallest interface size, the fastest transmission speed, positive and reverse insertion, backward compatibility, and high applicability, the USB Type-C connector has gradually been adopted by today's Used in various 3C electronic products. In addition, for large-screen smart phones, when the above-mentioned USB Type-C connector is used, not only will the overall height/volume be increased, but it is also impossible to design a mobile phone with the same size as the existing mobile phone. bigger screen. Therefore, how to apply the USB Type-C connector and achieve the effect of larger screen or compact structure under the mechanism design of the existing large-screen mobile phone is a major problem to be solved urgently by the present invention.

Utility model content

One of the purposes of the present invention is to provide a board-to-board connector that reduces the height between the first circuit board and the second circuit board, so as to be suitable for electronic devices that tend to be thinner.

To achieve the above purpose, the utility model provides a board-to-board connector, which includes a first circuit board and a second circuit board. At least one notch is opened on the first circuit board. The second circuit board includes a tongue portion corresponding to the notch, several conductive portions disposed on two corresponding surfaces of the tongue portion, and several conductive portions electrically connected to the first circuit board.

In a specific embodiment, the second circuit board is a circuit board conforming to the USB Type-C interface specification, that is, the tongue part and each guide part conform to the USB Type-C interface specification, and the width of the tongue part is smaller than that of the notch. width to mate with a mating connector.

When the first circuit board is electrically connected to the second circuit board, each conductive portion of the second circuit board is a conductive terminal, and is bonded to the first circuit board by, for example, DIP or SMT. However, in another specific embodiment, each conductive portion can also be a conductive pad, and is attached to the first circuit board in an SMT manner, thus reducing the height between the first circuit board and the second circuit board, thereby achieving a compact structure Design or make room for more Mechanism Design (ME). In another specific embodiment, it further includes a metal shell socketed on the tongue part. The metal shell conforms to the USB Type-C interface specification and has a shell body, at least one elastic piece disposed on the shell body, a positioning protrusion disposed adjacent to the elastic plate, and a positioning piece respectively disposed on both sides of the shell body.

In another specific embodiment, at least a part of the elastic piece and the positioning protrusion protrude toward the tongue portion, and each positioning piece penetrates or is welded flatly on each positioning portion.

The board-to-board connector of the utility model can effectively reduce the degree of shaking or vibration of the tongue part in the gap of the first circuit board through the positioning pieces of the metal shell, so as to improve the stability of plugging with the butt connector.

Description of drawings

Fig. 1 is a partial perspective view of the first preferred embodiment of the utility model.

Fig. 2 is an exploded view of the board-to-board connector of the present invention.

Fig. 3 is a perspective view of the board-to-board connector of the present invention.

FIG. 4A is a cross-sectional view of the board-to-board connector of the present invention.

FIG. 4B is another cross-sectional view of the board-to-board connector of the present invention.

FIG. 4C is another cross-sectional view of the board-to-board connector of the present invention.

FIG. 5 is a schematic diagram of the board-to-board connector and the butt connector of the present invention being inserted.

Fig. 6 is a schematic diagram of a second preferred embodiment of the present invention.

Fig. 7 is a schematic diagram of a third preferred embodiment of the present invention.

Fig. 8 is a schematic diagram of a fourth preferred embodiment of the present invention.

FIG. 9 is a combined schematic diagram of FIG. 8 .

FIG. 10 is another combined schematic diagram of FIG. 8 .

Explanation of symbols in the accompanying drawings:

1 first circuit board; 11 notch; 12, 14 positioning part; 13 socket; 2 second circuit board; 21 tongue part; 211 surface; 212 guide part; 213 side edge part; 22 conductive part; ;231 Limiting guide groove; 24 Electronic component; 3 Front line; 4 Front panel; 41 Socket; 42 Opening; 5 Metal shell; 51 Shell body; 52 Shrapnel; Locating grooves; 56 slots; 7 smartphones; 71 openings; 100 docking connectors; 101 plugs.

Detailed ways

The detailed description and technical content of the present utility model are described below with drawings, but the attached drawings are only for reference and illustration, and are not intended to limit the present utility model.

Referring to FIG. 1 to FIG. 5 , the utility model provides a board-to-board connector, which includes a first circuit board 1 and a second circuit board 2 . In the first specific embodiment shown in FIG. 1, the first circuit board 1 is preferably installed on a motherboard (Mother Board) of a computer host (not shown), and the second circuit board 2 is compatible with USB Type-C A printed circuit board of the interface specification, such as a rigid printed circuit board or a flexible printed circuit board. Therefore, the first circuit board 1 is also provided with a plurality of sockets 13 arranged in parallel with the second circuit board 2 , such as HDMI, USB2.0 or other suitable connectors, which are not limited.

In this embodiment, the first circuit board 1 is provided with at least one notch 11 and several positioning portions 12 . The second circuit board 2 includes a tongue part 21 arranged corresponding to the notch 11, several conductive parts 212 arranged on two corresponding surfaces 211 of the tongue part 21, and several conductive parts 22 electrically connected to the first circuit board 1 . As shown in Figures 2 to 5, the tongue part 21 and each lead part 212 conform to the USB Type-C interface specification, and the width of the tongue part 21 is smaller than the width of the notch 11, so that it also conforms to the USB Type-C interface The standard mating connector 100 is mated with the plug 101 .

Specifically, a plurality of conducting portions 212 are respectively exposed on two corresponding surfaces 211 of the tongue portion 21 to form a golden finger, and the number is 24. Referring to FIG. In addition, the length of the tongue portion 21 can protrude beyond the length of the notch 11 or be flush with the notch 11 , or even be shorter than the length of the notch 11 , which can be adjusted as needed and is not limited.

As shown in FIG. 4A, FIG. 4B and FIG. 4C, each conductive portion 22 of the second circuit board 2 can be mounted in a dual inline package (DIP; Dual In Line Package) or surface mount technology (SMT; Surface Mount Technology) The method is attached to the first circuit board 1 . In other words, in terms of the DIP process shown in FIG. 4A , each conductive portion 22 is preferably a conductive terminal, and each positioning portion 12 is a through hole, so that each conductive terminal is passed through and welded. In terms of the SMT process shown in FIG. 4B or FIG. 4C, each conductive portion 22 can be a conductive terminal and is bent and welded to each positioning portion 12 of the first circuit board 1, or each conductive portion 22 is a conductive Pad, and welded with each positioning portion 12 that is also a conductive pad, so that each conductive portion 22 is attached to each positioning portion 12 horizontally, so that the second circuit board 2 is welded on the first circuit board 1 . Therefore, the height/overall volume between the first circuit board 1 and the second circuit board 2 is effectively reduced, thereby freeing up more space for mechanical design (ME), so as to be suitable for electronic devices that tend to be thinner or used for other purposes.

In addition, the second circuit board 2 further includes a body portion 23 attached to the first circuit board 1 , and at least one electronic component 24 is soldered to the body portion 23 . In the embodiment shown in FIGS. 2 to 5, the electronic components 24 are configured with electronic components such as conversion ICs, protection ICs, surge protection ICs, inductors, resistors, or various feasible ICs to implement USB Type- C interface specification for signal transmission, power supply or other purposes.

In the embodiment shown in FIG. 5 , side edge portions 213 are respectively provided on both sides of the tongue portion 21, and each side edge portion 213 is made of metal material and keeps a distance from the guide portion 212 so as not to affect the relative The signal function of the adjacent lead part 212. When the plug 101 of the mating connector 100 is mated with the tongue portion 21 of the second circuit board 2 , the two side edge portions 213 made of metal can increase wear resistance, thereby increasing the service life of the tongue portion 21 .

Referring to FIG. 6 , in the second embodiment, a front wire 3 electrically connected to the first circuit board 1 and several sockets 41 welded on the first circuit board 1 are also included. The sockets 41 referred to here are, for example, audio sockets, USB2.0 or other suitable connector sockets, and are not limited thereto. As shown in FIG. 6 , the first circuit board 1 is preferably a front panel 4 installed on the front panel (not shown) of the computer host (not shown) to expand various connectors of the computer host. The front panel 4 further defines an opening 42 corresponding to the tongue portion 21 of the second circuit board 2 , for the plug 101 of the docking connector 100 to pass through the opening 42 and electrically connect to the tongue portion 21 . However, in the third embodiment shown in FIG. 7 , the electronic device can also be a smart phone 7 or other suitable portable electronic devices. The smart phone 7 is provided with an opening 71 for plugging with a docking connector (not shown), and the second circuit board 2 is a printed circuit board conforming to the USB Type-C interface specification.

Since the tongue part 21 of the second circuit board 2 of the above-mentioned first to third specific embodiments is not equipped with a metal shell (figure omitted), it is directly welded to the main board of a computer host or a smart phone (i.e. the first On the circuit board 1), therefore, without changing the size of the existing front panel 4 or the smart phone 7, it is possible to effectively achieve the effects of compact mechanism design or enlarged screen size.

Referring to FIG. 8 and FIG. 9 , it is a schematic diagram and a perspective view of a fourth embodiment of the present invention. Regardless of the need to free up more space or achieve a compact design, a specific embodiment with a metal housing 5 can be used. In this embodiment, a metal shell 5 is also included to socket the tongue portion 21 to reduce the probability of shaking and vibration of the tongue portion 21 in the notch 11 .

The metal shell 5 conforms to the USB Type-C interface specification and has a shell body 51, at least one elastic piece 52 arranged on the shell body 51, a positioning protrusion 53 set adjacent to the elastic piece 52, and is respectively arranged on both sides of the shell body 51. A positioning piece 54 and two positioning grooves 55 are provided at the rear end of the shell body 51 . When the metal shell 5 fits over the tongue portion 21 , a slot 56 is formed into which a plug (not shown) of the mating connector can be inserted stably.

The second circuit board 2 is also provided with two position-limiting guide grooves 231 relative to each positioning groove 55, so that the metal shell 5 can use each positioning groove 55 to clamp each position-limiting guide groove 231 to be fixed on the first circuit board 1 superior. The first circuit board 1 is provided with two positioning portions 14 relative to each positioning piece 54. Each positioning portion 14 shown in FIG. 8 and FIG. on the positioning part 14. However, each positioning piece 54 as shown in FIG. 10 can also be welded and fixed with each positioning portion 14 of the planar pad, and it can be changed as required. Therefore, through the positioning pieces 54 of the metal shell 5 , the shaking or vibration of the tongue part 21 in the notch 11 of the first circuit board 1 can be effectively reduced, so as to improve the stability of mating with the mating connector 100 .

In addition, in the embodiment shown in FIGS. 8 to 10 , the contact portion (not marked) and the positioning protrusion 53 of each elastic piece 52 are respectively protruded toward the tongue portion 21, so as to increase the number of docking connectors. The clamping force and positioning effect of the plug 101 of 100. The number of the elastic pieces 52 and the positioning protrusions 53 is preferably four and arranged adjacent to each other, but not limited to this embodiment.

To sum up, the embodiments of the present invention disclosed herein should be regarded as illustrating the present invention rather than limiting the present invention. The scope of the present invention shall be defined by the claims of the appended claims, and shall cover their legal equivalents, and not be limited by the foregoing description.

Claims (12)

1. a kind of board to board connector, which is characterized in that including：

One first circuit board offers an at least notch：And

One second circuit board, the tongue piece portion including the configuration of the correspondence notch are arranged at the tongue piece portion two-phase and correspond to surface Several junctions and be electrically connected several conductive parts of the first circuit board.

2. board to board connector as described in claim 1, which is characterized in that wherein described tongue piece portion and each junction are all Meet USB Type-C interface specifications, and the width of the tongue piece portion is less than the width of the notch.

3. board to board connector as claimed in claim 1 or 2, which is characterized in that wherein described several junctions expose respectively Surface is corresponded in the tongue piece portion two-phase and is respectively formed a golden finger, and the quantity of the junction is 24.

4. board to board connector as described in claim 1, which is characterized in that each conduction of wherein described second circuit board Portion is a conducting terminal, and is amplexiformed in a manner of DIP or SMT with the first circuit board.

5. board to board connector as described in claim 1, which is characterized in that each conduction of wherein described second circuit board Portion is a conductive pad, and is amplexiformed in a manner of SMT with the first circuit board.

6. board to board connector as described in claim 1, which is characterized in that wherein described second circuit board also includes and amplexiforms institute A body part of first circuit board is stated, the body part is electrically connected with an at least electronic building brick.

7. board to board connector as described in claim 1, which is characterized in that wherein described tongue piece portion both sides further respectively have one Side edge part, each side edge part are made for metal material and interval are maintained between the junction.

8. board to board connector as described in claim 1, which is characterized in that also include and be electrically connected with the first circuit board A preposition line and several interfaces for being welded on the first circuit board, the first circuit board be a front panel, institute It states front panel and corresponds to the tongue piece portion of the second circuit board and be further opened with an opening.

9. board to board connector as described in claim 1, which is characterized in that wherein described first circuit board is electric to be installed on one One mainboard of sub-device, the second circuit board are then to meet a printed circuit board (PCB) of USB Type-C interface specifications, the electricity Sub-device includes a main frame or an intelligent mobile phone.

10. board to board connector as described in claim 1, which is characterized in that also comprising the metal for being socketed the tongue piece portion Housing, the metal shell meet USB Type-C interface specifications and have a shell body, are arranged at the shell body at least One shrapnel, the positioning convex portion that the adjacent shrapnel is set, the locating plate for being respectively arranged at the shell body both sides and setting In two positioning grooves of the tail end of the shell body.

11. board to board connector as claimed in claim 10, which is characterized in that wherein described second circuit board is relatively each described Positioning groove is additionally provided with two limit guide grooves, and relatively each locating plate of the first circuit board is then equipped with two positioning regions.

12. board to board connector as claimed in claim 11, which is characterized in that at least a portion of wherein described shrapnel and institute It is towards tongue piece portion direction projection to state positioning convex portion, and each locating plate penetrates or smooth is welded in each positioning region On.