CN118336409A

CN118336409A - Composite floating type board-to-board connector

Info

Publication number: CN118336409A
Application number: CN202310449956.9A
Authority: CN
Inventors: 庄顺荣
Original assignee: P Two Electronic Technology Suzhou Co Ltd
Current assignee: P Two Electronic Technology Suzhou Co Ltd
Priority date: 2023-01-04
Filing date: 2023-04-24
Publication date: 2024-07-12
Also published as: TW202429767A; TWI830568B

Abstract

The invention provides a composite floating type board-to-board connector, which comprises a plug and a socket. The plug comprises a first shell, a tongue plate, a plurality of first signal terminals and a plurality of first power terminals. The socket comprises a second shell, a floating piece, a second signal terminal and a plurality of second power terminals. The plug is inserted into the socket, and the first signal terminal is electrically connected with the second signal terminal and the first power terminal is electrically connected with the second power terminal for transmitting power and signals.

Description

Composite floating type board-to-board connector

Technical Field

The invention relates to the technical field of connectors, in particular to a composite floating type board-to-board connector (Hybr idF loat ing Board to Board Connector).

Background

In recent years, the electric and electronic industries have rapidly developed, and there has been an increasing demand for electrically connecting two or more electronic components by using a connector.

In particular, when a plurality of circuit boards are connected to each other, a plurality of connectors connected to the respective circuit boards by soldering or the like are often used, and the circuit boards are electrically connected to each other by the connectors. The first connector of the pair of connectors may be a plug connector and the second connector may be a receptacle connector, wherein the plug connector and the receptacle connector may be formed by disposing the terminals in a mold of an insulating material such that the plug connector and the receptacle connector may be connected to each other, thereby forming an electrical connector.

In addition, when the number of terminals increases, the housing of the multi-terminal connector produced by the method also needs to increase, and the longer the housing is, the more easily the housing is deformed, so that the coplanarity of the solder feet of the connector is poor and the soldering fails, or the whole connector is scrapped due to the failure of a few terminals, and the problems of the manufacturing difficulty and the yield of the connector are caused to be reduced.

Disclosure of Invention

In order to overcome the above-mentioned conventional problems, the present invention provides a composite floating type board-to-board connector, which can split a plurality of terminals into a plurality of shorter composite floating type board-to-board connectors (e.g. two composite floating type board-to-board connectors), and combine a plurality of covers (e.g. double cover (TWIN CAP)) to prevent the soldering process from increasing the manufacturing process or steps due to the splitting, and simultaneously reduce the relative position difference between the plurality of composite floating type board-to-board connectors, and effectively eliminate the dislocation phenomenon in the X and Y directions during the connector mounting and assembling process by means of the floating structure inside the connector, thereby facilitating the plug and socket insertion assembly.

The invention provides a compound floating type board-to-board connector, which is used for connecting a first board body and a second board body, and comprises: a plug, comprising: a first housing; and a tongue plate having a plurality of first terminals, each first terminal extending through the first housing and connected to the first plate; and a receptacle, comprising: a second housing; a float having a socket opening; the buckling piece limits the floating piece above the second shell; and a plurality of second terminals extending through the floating member and the second housing and connected to the second board.

Preferably, each first terminal is respectively arranged at two sides of the tongue plate.

Preferably, the two ends of the second shell are respectively provided with a floating groove for accommodating the floating protruding parts at the two ends of the floating piece, and each floating protruding part has a smaller volume than the space of the floating groove and is arranged in each floating groove, and each buckling piece limits each floating protruding part in each floating groove.

Preferably, the two long sides of the floating piece are respectively provided with a floating skirt, thereby covering the upper hole of the second shell, reducing the chance of dust entering the composite floating board-to-board connector and reducing the risk of short circuit.

Preferably, each second terminal has a shape generating elastic deformation, and each second terminal extends through the floating piece and the second shell to be connected to the second plate body, so that the floating piece can move in the floating groove through the elastic deformation of each second terminal, further the floating protruding part can move in a set range in the floating groove, and the dislocation phenomenon of X and Y directions in the process of embedding the plug and the socket is eliminated.

Preferably, the included angles between the surfaces of the floating groove and the floating protruding part are straight structures with 90 degrees, and the resistance of the floating protruding part in the floating groove can be reduced, so that the floating protruding part can move rapidly in the floating groove.

Preferably, the plurality of first terminals have a plurality of first signal terminals and a plurality of first power terminals, and the plurality of second terminals have a plurality of second signal terminals and a plurality of second power terminals, wherein the plurality of first power terminals are arranged at two ends of the plurality of first signal terminals, and the plurality of second power terminals are arranged at two ends of the plurality of second signal terminals.

Preferably, the inner walls of the socket and the floating member are respectively formed with a plurality of signal terminal positioning grooves and a plurality of power terminal positioning grooves, which are communicated with each other and are used for positioning a plurality of second signal terminals and a plurality of second power terminals.

Preferably, each second signal terminal and each second power terminal float in the opening of the socket, and each second signal terminal has a second signal clamping protrusion and a second power clamping protrusion, when the plug is embedded with the socket along the up-down direction, each first signal terminal on both sides of the tongue plate contacts each second signal clamping protrusion to form an electrical connection, and each first power terminal on both sides of the tongue plate contacts each second power clamping protrusion to form an electrical connection.

Preferably, the plug comprises: the first housing has a first snap groove, and the first cover has a first snap corresponding to the first snap groove, and the socket comprises: the floating piece is provided with a second buckling groove, the second cover body is provided with a second buckling corresponding to the second buckling groove, and the first cover body and the second cover body can reduce the error value and the picking and placing times of the composite floating type board-to-board connector due to surface mount technology (SMT, surface Mount Techno logy).

Compared with the prior art, the invention provides the board-to-board connector with the composite floating piece, which can simultaneously transmit signals and power, and can also simultaneously provide a floating structure, so that the plug and the socket can be easily connected. In particular, there may be tolerances between the plates and connectors that are different in size, and the present invention provides a solution for splitting a multi-terminal connector into a plurality of connector solder plates.

Drawings

Fig. 1 is a schematic perspective view of a composite floating board-to-board connector of the present invention.

Fig. 2 is a perspective view illustrating the plug of fig. 1 according to the present invention.

Fig. 3 is a perspective view illustrating a plug according to another embodiment of the present invention.

Fig. 4 is a perspective view illustrating a socket according to another embodiment of the present invention.

Fig. 5 is a perspective view illustrating a combined state of the plug and the cover of fig. 3.

Fig. 6 is a partially exploded perspective view illustrating the socket of fig. 1 according to the present invention.

Fig. 7 is a schematic front view illustrating the socket of fig. 1 according to the present invention.

Fig. 8 is a partially exploded view illustrating the floating member of the present invention provided in the floating groove of the socket.

Fig. 9 is a partially exploded view illustrating each of the second signal terminals and each of the second power terminals of fig. 1 according to the present invention.

Fig. 10 is a partially enlarged perspective view illustrating each of the second signal terminals and each of the second power terminals of fig. 9.

Fig. 11 is a partially exploded perspective view illustrating the second housing and the floating member of the present invention.

Symbol description:

10 compound floating type board-to-board connector

20 Plug

21 First shell

215 First snap groove

22 Tongue plate

23 First terminal

231 First signal terminal

232 First power supply terminal

25 First cover body

251 First fastener

30 Socket

31 Second shell

311 Floating groove

314 Power supply terminal positioning groove

Positioning groove for 315 signal terminal

32 Float member

321 Socket opening

323 Floating skirt

324 Power supply terminal positioning groove

325 Second fastening groove

326 Signal terminal positioning groove

33 Second terminal

331 Second signal terminal

3311 Second signal clamping projection

332 Second power supply terminal

3321 Second Power supply clamping protrusion

34 Fastener

35 Second cover body

351 Second fastener

Detailed Description

For a fuller understanding of the objects, features and advantages of the present invention, reference should be made to the following detailed description taken in conjunction with the accompanying drawings.

In the present disclosure, units, elements, and components described herein are described using "a" or "an". This is for convenience of description only and is not intended to provide a general sense of the scope of the invention. Thus, unless expressly stated otherwise, such description should be understood as including one, at least one, and the singular also includes the plural.

In the present invention, the terms "comprising," "including," "having," "containing," or any other similar language are intended to cover non-exclusive inclusion. For example, an element, structure, article, or device containing a plurality of elements is not limited to only those elements listed herein but may include other elements not expressly listed but inherent to such element, structure, article, or device. In addition, unless explicitly stated to the contrary, the term "or" refers to an inclusive "or" and not to an exclusive "or".

Fig. 1 is a schematic perspective view of a composite floating board-to-board connector according to an embodiment of the invention. In the composite floating board-to-board connector 10 of fig. 1, connecting a first board (not shown) and a second board (not shown) includes: plug 20 (see also fig. 2), comprising: a first housing 21; and a tongue plate 22 having a plurality of first terminals 23 disposed on two sides of the tongue plate 22, wherein the plurality of first terminals 23 extend through the first housing 21 to be connected to the first board, and the plurality of first terminals 23 have a plurality of first signal terminals 231 and a plurality of first power terminals 232, wherein the plurality of first power terminals 232 are disposed at two ends of the plurality of first signal terminals 231; the receptacle 30 (see also fig. 6-8) includes: a second housing 31; a floating member 32 having a socket opening 321, both long sides of the floating member 32 having floating skirts 323, thereby covering the upper aperture of the second housing 31; the fastener 34 is used for limiting the floating protruding parts at two ends of the floating piece 32 in the floating groove 311 of the second shell 31; and a plurality of second terminals 33 extending through the floating member 32 and the second housing 31 to be connected to the second board, wherein the plurality of second terminals 33 have a plurality of second signal terminals 331 and a plurality of second power terminals 332, wherein the plurality of second power terminals are arranged at both ends of the plurality of second signal terminals.

Fig. 3 is a schematic perspective view of a plug according to another embodiment of the invention. The plug 20 in fig. 3 includes: a first housing 21 having a first catch groove 215; and a first cover 25 having a first catch 251 corresponding to the first catch groove 215; and a tongue plate 22 having a plurality of first terminals 23 disposed on both sides of the tongue plate 22, respectively, the plurality of first terminals 23 extending through the first housing 21 and being connected to the first board body (not shown).

Referring to fig. 5, a perspective view of the plug 20 according to another embodiment of the invention is shown by combining the first buckle 251 of the first cover 25 and the first buckle slot 215.

Fig. 4 is a schematic perspective view of a socket according to another embodiment of the invention. In fig. 4, the receptacle 30 (see also fig. 6-8) includes: a second housing 31; a float member 32 having a socket opening 321, wherein the float member 32 has a second snap groove 325; a second cover 35 having a second buckle 351 corresponding to the second buckle groove 325; the buckling piece 34 limits the floating protruding parts at the two ends of the floating piece 32 in the floating groove 311 of the second shell 31; and a plurality of second terminals 33 extending through the floating member 32 and the second housing 31 to be connected to the second board (not shown), wherein the plurality of second terminals 33 have a plurality of second signal terminals 331 and a plurality of second power terminals 332, wherein the plurality of second power terminals are arranged at both ends of the plurality of second signal terminals.

Referring to fig. 6-9, the second signal terminals 331 and the second power terminals 332 of the present invention each have a shape that is elastically deformed and extend through the floating member 32 and the second housing 31 to be connected to the second board (not shown), thereby elastically displacing the floating member 32 to enable the floating protrusion 322 to move within a predetermined range in the floating groove 311, wherein each surface of the floating groove 311 and the floating protrusion 322 has a straight structure with an included angle of 90 degrees, so as to simplify the stamping process and reduce the resistance of the floating protrusion 322 in the floating groove 311, which is beneficial to the rapid movement of the floating protrusion 322 in the floating groove 311.

Referring to fig. 9, a plurality of signal terminal positioning grooves 326 and a plurality of power terminal positioning grooves 324 are formed on the inner wall of the floating member for positioning the plurality of second signal terminals and the plurality of second power terminals, respectively.

Referring to fig. 11, a plurality of signal terminal positioning grooves 315 and a plurality of power terminal positioning grooves 314 are formed on the inner wall of the second housing 31 of the present invention, which are respectively used for positioning the plurality of second signal terminals and the plurality of second power terminals, wherein the plurality of signal terminal positioning grooves 315 and the plurality of signal terminal positioning grooves 326 are in opposite communication with each other, and the plurality of power terminal positioning grooves 314 and the plurality of power terminal positioning grooves 324 are in opposite communication with each other.

Referring to fig. 10, the plurality of second signal terminals 331 and the plurality of second power terminals 332 of the present invention are disposed in the socket opening 321 in a floating manner, and each has a second signal clamping protrusion 3311 and a second power clamping protrusion 3321, when the plug 20 is engaged with the socket 30 along the up-down direction (refer to fig. 1-2), the plurality of first signal terminals 231 on both sides of the tongue plate 22 are in contact with the plurality of second signal clamping protrusions 3311 and electrically connected, and the plurality of first power terminals 232 on both sides of the tongue plate 22 are in contact with the plurality of second power clamping protrusions 3321 and electrically connected.

While the invention has been disclosed in terms of preferred embodiments, it will be understood by those skilled in the art that the embodiments are merely illustrative of the invention and should not be construed as limiting the scope of the invention. It should be noted that all changes and substitutions equivalent to those of the embodiments are intended to be included in the scope of the present invention. Accordingly, the scope of the invention is defined by the appended claims.

Claims

1. A compound floating type board-to-board connector is connected with a first board body and a second board body, and is characterized in that the compound floating type board-to-board connector comprises:

A plug, comprising:

a first housing; and

A tongue plate having a plurality of first terminals extending through the first housing and connected to the first plate;

A socket, comprising:

a second housing;

A floating member having a socket opening;

the fastener limits the floating piece above the second shell; and

A plurality of second terminals extend through the floating member and the second housing to connect to the second board.

2. The composite floating board-to-board connector of claim 1, wherein said first terminals are disposed on opposite sides of said tongue plate.

3. The composite floating board-to-board connector of claim 2, wherein said second housing has a floating groove at each end and said floating member has a floating protrusion at each end smaller than said floating groove, said floating protrusion being disposed in each of said floating grooves, said snap-fit member restraining said floating protrusion in said floating groove.

4. The composite floating board-to-board connector of claim 3, wherein the floating member has floating skirts on both long sides thereof, thereby covering an upper aperture of the second housing.

5. The composite floating board-to-board connector of any one of claims 3 to 4, wherein said second terminals each have a shape that is elastically deformed, thereby enabling said floating protrusion to move within a predetermined range within said floating groove.

6. The composite floating board-to-board connector of claim 5, wherein each surface included angle of the floating groove and the floating protrusion is a straight structure of 90 degrees.

7. The composite floating board-to-board connector of claim 6, wherein the first terminals have first signal terminals and first power terminals, and the second terminals have second signal terminals and second power terminals.

8. The composite floating board-to-board connector of claim 7, wherein the inner walls of the socket and the floating member are each formed with a plurality of signal terminal positioning grooves and a plurality of power terminal positioning grooves for positioning the plurality of second signal terminals and the plurality of second power terminals.

9. The composite floating board-to-board connector of claim 8, wherein said plurality of second signal terminals and said plurality of second power terminals float in said socket opening and each have a second signal clamping protrusion and a second power clamping protrusion, said plurality of first signal terminals on both sides of said tongue plate are in contact with said second signal clamping protrusions and form an electrical connection when said plug is engaged with said socket in an up-down direction, and said first power terminals on both sides of said tongue plate are in contact with said second power clamping protrusions and form an electrical connection.

10. The composite floating board-to-board connector of claim 9, wherein the first housing of the plug has a first snap groove and a first cover having a first snap corresponding to the first snap groove, and the floating member of the receptacle has a second snap groove and a second cover having a second snap corresponding to the second snap groove.