CN218919315U - Surface-mounted multichannel board and board connecting device - Google Patents

Abstract

The application relates to the technical field of communication and discloses a surface-mounted multichannel board and board connecting device, which comprises a first board end plug connector, a second board end plug connector, eight socket connectors and two Printed Circuit Boards (PCB); eight limiting cylinders are fixedly inserted into one side of the first plate end plug connector and one side of the second plate end plug connector, and inner conductors are movably inserted into the sixteen limiting cylinders. The scheme is miniaturized, integrated and easy to operate, multi-channel connection can be established on the PCB, and high-speed transmission of signals can be realized in a narrow space; the optimized design ensures that the product has better electrical performance and good shielding and isolation performance; after the inner conductor is optimally designed, axial and radial play-free can be ensured after the inner conductor is assembled, and the assembly dimensional stability of the inner conductor is ensured, so that stable radio frequency performance under high frequency is achieved.

Description

Surface-mounted multichannel board and board connecting device

Technical Field

The application relates to the technical field of communication, in particular to a surface-mounted multichannel board and board connecting device.

Background

With the development of optoelectronic communication technologies such as 5G, there are increasing demands for miniaturization, integration and operability of communication devices in the fields of electronic communication, optical modules, chip testing, and the like. At the same time the resources of the PCB board are becoming more and more stressed. The traditional connector has larger volume and is inconvenient to be installed on the current PCB panel, and even if the traditional connector is installed, the insertion loss is overlarge due to the increase of the contact area, so that the parameters and the performances of a chip or a scheme cannot be verified; the through hole circuit is a standard configuration in the PCB industry, and each hole must be drilled into the circuit board separately, which is expensive, time-consuming and has a relatively high failure rate; the microcosmic rotation or movement phenomenon of the inner conductor of the conventional radio frequency connector affects the interface size of the product and has a certain influence on the radio frequency performance.

Disclosure of Invention

In order to solve the above-mentioned problems, the present application provides a surface mount type multi-channel board-to-board connection device.

The application provides a surface mounting multichannel board and board connecting device adopts following technical scheme:

the surface-mounted multi-channel board-board connecting device comprises a first board-end plug connector, a second board-end plug connector, eight socket connectors and two Printed Circuit Boards (PCB), wherein positioning holes are formed in two ends of the top of the two PCB, positioning pins are fixedly penetrated in two ends of the top of the first board-end plug connector and two ends of the top of the second board-end plug connector, and the bottom ends of the four positioning pins are fixedly inserted into the positioning holes formed in two ends of the top of the two PCB one by one respectively;

eight limiting cylinders are fixedly inserted into one side of the first plate end plug connector and one side of the second plate end plug connector, inner conductors are movably inserted into the eight limiting cylinders, and the inner conductors in the eight limiting cylinders inserted into one side of the first plate end plug connector are respectively connected with the inner conductors in the eight limiting cylinders inserted into one side of the second plate end plug connector through eight socket connectors.

Through adopting above-mentioned technical scheme, through being equipped with eight socket connectors, and all fixed grafting has eight spacing barrels in one side of first board end plug connector and one side of second board end plug connector, peg graft in the inside of sixteen spacing barrels has the inner conductor, according to the use needs, through selecting socket connector's number, and insert socket connector both ends to the inside of the spacing barrel of corresponding first board end plug connector one side and the inside of the spacing barrel of second board end plug connector one side, and the one end of the inner conductor in the spacing barrel of insert respectively is contradicted, then accomplish the connection of passageway, but the increase passageway moreover.

Preferably, the two ends of one side of the first plate end plug connector are threaded through with guide sleeves, the two ends of one side of the second plate end plug connector are threaded through with guide posts, and the two guide posts are respectively in one-to-one correspondence with and matched with the two guide sleeves.

Through adopting above-mentioned technical scheme, peg graft the one end of two guide posts respectively in the inside of two uide bushing, can realize the accurate positioning to first board end plug connector and second board end plug connector, prevent to damage the socket connector between each passageway because of dislocation when pegging graft.

Preferably, sixteen inner conductors adopt the outline structures of axial straight lines and radial transverse lines.

Through adopting above-mentioned technical scheme, the inner conductor is with spacing barrel equipment back, produces great stress in axial and radial, and the inner conductor of fixing that can be better prevents the inner conductor drunkenness.

Preferably, sixteen limit cylinders are all formed by injection molding of thermoplastic resin.

By adopting the technical scheme, sixteen limit cylinders formed by polyethylene injection molding have excellent insulativity and high hardness, and can better protect the inner conductor.

In summary, the present application includes the following beneficial technical effects:

1. miniaturization, integration and easy operability, multi-channel connection can be established on the PCB, and high-speed transmission of signals is realized in a narrow space.

2. The optimized design ensures that the product has better electrical performance and good shielding and isolation performance.

3. Can meet the surface mounting and welding requirements, and reduce the processing cost and the production efficiency of the PCB board in cooperation.

4. After the inner conductor is optimally designed, axial and radial play-free can be ensured after the inner conductor is assembled, and the assembly dimensional stability of the inner conductor is ensured, so that stable radio frequency performance under high frequency is achieved.

Drawings

Fig. 1 is a schematic diagram of a split structure of an embodiment of the application.

Fig. 2 is a schematic diagram of a combined structure of an inner conductor and a limiting cylinder in an embodiment of the application.

Fig. 3 is a schematic top sectional view of a first board-end plug connector according to an embodiment of the present application.

Reference numerals illustrate: 1. a first board end plug connector; 2. a second board end plug connector; 3. a receptacle connector; 4. a Printed Circuit Board (PCB); 5. positioning pins; 6. a guide post; 7. a guide sleeve; 8. an inner conductor; 9. and a limiting cylinder.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-3.

The embodiment of the application discloses a surface-mounted multichannel board and board connecting device. Referring to fig. 1-3, a surface mounting type multi-channel board and board connecting device comprises a first board end plug connector 1, a second board end plug connector 2, eight socket connectors 3 and two printed circuit boards PCB4, wherein the first board end plug connector 1 is connected with the PCB, the second board end plug connector 2 is independently used, positioning holes are formed in two ends of the top of the two printed circuit boards PCB4, positioning pins 5 are fixedly penetrated through two ends of the top of the first board end plug connector 1 and two ends of the top of the second board end plug connector 2, the bottom ends of the four positioning pins 5 are fixedly inserted into the positioning holes formed in two ends of the top of the two printed circuit boards PCB4 one by one respectively, the four positioning pins 5 are welded with the contact positions of the two ends of the top of the first board end plug connector 1, the two positioning pins 5 of the second board end plug connector 2 are welded with the contact positions of the two ends of the top of the first board end plug connector 1, the two positioning pins 5 of the two printed circuit boards PCB4 are matched with the corresponding positioning holes of the two printed circuit boards 4, and simultaneously, the two positioning pins 5 are precisely inserted into the two positioning pins 2 are welded with the two ends of the two printed circuit boards at the two ends of the top of the first board end plug connector 1;

referring to fig. 1, 2 and 3, eight limiting cylinders 9 are fixedly inserted into one side of the first board-end plug connector 1 and one side of the second board-end plug connector 2, inner conductors 8 are movably inserted into the sixteen limiting cylinders 9, the inner conductors 8 in the eight limiting cylinders 9 inserted into one side of the first board-end plug connector 1 are respectively connected with the inner conductors 8 in the eight limiting cylinders 9 inserted into one side of the second board-end plug connector 2 through eight socket connectors 3, according to the use requirement, the number of the socket connectors 3 is selected, two ends of the socket connectors 3 are inserted into the corresponding limiting cylinders 9 on one side of the first board-end plug connector 1 and the corresponding limiting cylinders 9 on one side of the second board-end plug connector 2, and one ends of the inner conductors 8 in the limiting cylinders 9 inserted into the corresponding limiting cylinders 9 are in a abutting mode, so that the connection of channels is completed, and the number of the channels can be changed.

Referring to fig. 1, the guide sleeves 7 are threaded through both ends of one side of the first board end plug connector 1, the guide posts 6 are threaded through both ends of one side of the second board end plug connector 2, the two guide posts 6 are respectively in one-to-one correspondence with and matched with the two guide sleeves 7, the two guide posts 6 are respectively inserted into the two guide sleeves 7, and therefore accurate positioning of the first board end plug connector 1 and the second board end plug connector 2 can be achieved, the first board end plug connector 1 and the second board end plug connector 2 are kept parallel and accurately aligned, and the socket connector 3 between all channels is prevented from being damaged due to dislocation during insertion.

Referring to fig. 2, sixteen inner conductors 8 adopt an external structure of axial straight lines and radial transverse lines, and after the inner conductors 8 are assembled with the limiting cylinder 9, large stress is generated in the axial direction and the radial direction, so that the inner conductors 8 can be better fixed, and the inner conductors 8 are prevented from moving in the limiting cylinder 9.

Referring to fig. 1, sixteen stopper cylinders 9 are each injection molded of thermoplastic resin, and have good insulation properties, high hardness, and strong protection to the inner conductor 8.

The implementation principle of the surface-mounted multichannel board and board connecting device provided by the embodiment of the application is as follows:

firstly, the bottom ends of four locating pins 5 are respectively and fixedly inserted into locating holes formed at two ends of the top of two printed circuit boards PCB4 one by one, the contact positions of the four locating pins 5 and the two ends of the top of a first board end plug connector 1 and the contact positions of the two ends of the top of a second board end plug connector 2 are welded, the two locating pins 5 on the first board end plug connector 1 and the second board end plug connector 2 are matched with the corresponding locating holes of the two printed circuit boards PCB4, simultaneously, the contact positions of the four locating pins 5 and the two ends of the top of the first board end plug connector 1 and the contact positions of the two ends of the top of the second board end plug connector 2 are welded, the precise installation of the first board end plug connector 1 and the second board end plug connector 2 on the two printed circuit boards PCB4 is realized, then the number of socket connectors 3 can be selected according to the use requirement, and inserting one end of the selected socket connector 3 into the corresponding limit cylinder 9 on one side of the first board end plug connector 1, then pushing the second board end plug connector 2 to approach the first board end plug connector 1, so that the other end of the selected socket connector 3 is inserted into the corresponding limit cylinder 9 on one side of the first board end plug connector 1, in the process of the abutting joint, two guide posts 6 are inserted into the two guide sleeves 7 respectively, accurate positioning of the first board end plug connector 1 and the second board end plug connector 2 can be realized, the first board end plug connector 1 and the second board end plug connector 2 are kept parallel and accurately aligned, the socket connector 3 between all channels is prevented from being damaged due to dislocation during the inserting, meanwhile, after the inner conductor 8 and the limit cylinder 9 are assembled, larger stress is generated in the axial direction and the radial direction, the inner conductor 8 can be better fixed, the inner conductor 8 is prevented from moving inside the limiting cylinder 9.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1. The surface-mounted multi-channel board-board connecting device comprises a first board-end plug connector (1), a second board-end plug connector (2), eight socket connectors (3) and two Printed Circuit Boards (PCB) (4), and is characterized in that positioning holes are formed in two ends of the tops of the two Printed Circuit Boards (PCB) (4), positioning pins (5) are fixedly penetrated through two ends of the tops of the first board-end plug connector (1) and two ends of the tops of the second board-end plug connector (2), and the bottoms of the four positioning pins (5) are fixedly spliced in the positioning holes formed in two ends of the tops of the two Printed Circuit Boards (PCB) (4) respectively one by one;

eight limiting cylinders (9) are fixedly inserted into one side of the first plate end plug connector (1) and one side of the second plate end plug connector (2), sixteen inner conductors (8) are movably inserted into the inside of the limiting cylinders (9), and the inner conductors (8) in the eight limiting cylinders (9) inserted into one side of the first plate end plug connector (1) are respectively connected with the inner conductors (8) in the eight limiting cylinders (9) inserted into one side of the second plate end plug connector (2) through eight socket connectors (3).

2. A surface mount multi-channel board-to-board connection device according to claim 1, wherein: the two ends of one side of the first plate end plug connector (1) are threaded through with guide sleeves (7), the two ends of one side of the second plate end plug connector (2) are threaded through with guide posts (6), and the two guide posts (6) are respectively in one-to-one correspondence with and matched with the two guide sleeves (7).

3. A surface mount multi-channel board-to-board connection device according to claim 1, wherein: sixteen inner conductors (8) adopt the outline structures of axial straight lines and radial transverse lines.

4. A surface mount multi-channel board-to-board connection device according to claim 1, wherein: sixteen limit cylinder bodies (9) are all formed by thermoplastic resin injection molding.

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