CN216354862U

CN216354862U - PCB switching structure of multi-port RJ45 connector

Info

Publication number: CN216354862U
Application number: CN202122527103.1U
Authority: CN
Inventors: 张智凯; 赵瑞; 江万有; 李进开
Original assignee: Zhongjiang UD Electronics Co ltd; Dongguan Yongde Electronic Technology Co ltd; UD Electronic Corp
Current assignee: Zhongjiang UD Electronics Co ltd; Dongguan Yongde Electronic Technology Co ltd; UD Electronic Corp
Priority date: 2021-10-20
Filing date: 2021-10-20
Publication date: 2022-04-19
Anticipated expiration: 2031-10-20

Abstract

The utility model discloses a PCB (printed circuit board) switching structure of a multi-port RJ45 connector, which comprises an electric module and two end sub-modules, wherein the electric module is provided with a first port and a second port; the electrical module has a main PCB thereon; the two end sub-modules are respectively and symmetrically arranged on the upper surface and the lower surface of the front end of the main PCB, and each terminal module comprises a switching PCB, a plastic sheet and a plurality of RJ45 terminals; the adapter PCB is abutted against the surface of the main PCB and is welded and conducted with the main PCB; the plastic sheet is abutted against the surface of the transfer PCB; the plurality of RJ45 terminals are arranged at intervals and are all fixed on the plastic sheet, and the plurality of RJ45 terminals are all welded and conducted with the transfer PCB. Through wrapping up the RJ45 terminal with thinner plastic sheet fixedly, weld respectively on switching PCB again, on being fixed in main PCB's upper and lower surface with switching PCB welding again, shortened the length of RJ45 terminal, reduced the crosstalk among the signal transmission process, the signal transmission effect is better.

Description

PCB switching structure of multi-port RJ45 connector

Technical Field

The utility model relates to the technical field of connectors, in particular to a PCB (printed circuit board) switching structure of a multi-port RJ45 connector.

Background

An RJ45 type network communication connector, abbreviated as RJ45 connector, and an RJ45 connector are important interface devices in network connection, and are widely used for connecting network card ports, hubs, switches, telephones and other remote communication and data network devices.

The RJ45 terminals of conventional multi-port RJ45 connectors of 10Gbps and below are connected to the main PCB in the manner shown in fig. 1: the upper and lower ports 8 RJ45 terminals 23 'are arranged in parallel and wrapped with thicker fixed plastic 22' and soldered to the front and back faces of the main PCB11 ', respectively, and the RJ45 terminals 23' are longer.

For the speed of more than 10Gbps, the working bandwidth of the connector is higher, the crosstalk characteristic of the product has higher requirements, the height of the multi-port RJ45 connector with the conventional structure is limited by the height of the connector and the thickness of the fixed plastic of the RJ45 terminal, the RJ45 terminal cannot be processed to reduce the crosstalk between adjacent signal pairs during signal transmission, and the signal transmission effect is poor. Therefore, there is a need for improvement of the prior art to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention is directed to the drawbacks of the prior art, and the main object of the present invention is to provide a PCB adapting structure of a multi-port RJ45 connector, which can effectively solve the problems of the conventional PCB adapting structure of the multi-port RJ45 connector, such as large crosstalk and poor signal transmission effect.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a PCB switching structure of a multi-port RJ45 connector comprises an electric module and two terminal modules; the electrical module has a main PCB thereon; the two end sub-modules are respectively and symmetrically arranged on the upper surface and the lower surface of the front end of the main PCB, and each terminal module comprises a switching PCB, a plastic sheet and a plurality of RJ45 terminals; the adapter PCB is abutted against the surface of the main PCB and is welded and conducted with the main PCB; the plastic sheet is abutted against the surface of the transfer PCB; the plurality of RJ45 terminals are arranged at intervals and are all fixed on the plastic sheet, and the plurality of RJ45 terminals are all welded and conducted with the transfer PCB.

Preferably, the plurality of RJ45 terminals are arranged in two front and back rows and staggered left and right.

Preferably, the front end of the transit PCB protrudes forward from the front end of the main PCB, and the RJ45 terminals are soldered and conducted with the front end of the transit PCB.

Preferably, the front end of the adapting PCB is provided with a plurality of welding holes, and the welding parts of the RJ45 terminals are inserted into the corresponding welding holes to be welded and conducted.

Preferably, the through-connection PCB is soldered to the main PCB by means of through-hole soldering.

Compared with the prior art, the utility model has obvious advantages and beneficial effects, and specifically, the technical scheme includes that:

through wrapping up the RJ45 terminal with thinner plastic sheet fixedly, weld respectively on switching PCB again, on being fixed in main PCB's upper and lower surface with switching PCB welding again, shortened the length of RJ45 terminal, reduced the crosstalk among the signal transmission process, the signal transmission effect is better.

Meanwhile, the RJ45 terminal is wrapped and fixed by a thin plastic sheet, and the RJ45 terminal is shorter in length, so that the RJ45 terminal has enough space for bending and dislocation processing, and crosstalk in the signal transmission process is further reduced.

To more clearly illustrate the structural features and effects of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

Drawings

FIG. 1 is a perspective view of a prior art assembly;

FIG. 2 is an assembled perspective view of the preferred embodiment of the present invention;

FIG. 3 is another perspective view of the preferred embodiment of the present invention;

fig. 4 is a partially exploded view of the preferred embodiment of the present invention.

The attached drawings indicate the following:

10. electrical module 11, main PCB

20. Terminal module 21 and switching PCB

211. Welding hole 22, plastic sheet

23. RJ45 terminal 231, solder.

Detailed Description

Referring to fig. 2 to 4, a specific structure of a preferred embodiment of the present invention is shown, which includes an electrical module 10 and two terminal modules 20.

The electrical module 10 has a main PCB11 thereon.

The two terminal modules 20 are symmetrically disposed on the upper and lower surfaces of the front end of the main PCB11, respectively, and each terminal module 20 includes an adaptor PCB21, a plastic sheet 22, and a plurality of RJ45 terminals 23.

The adaptor PCB21 rests on the surface of the main PCB11 and is soldered to the main PCB 11. In this embodiment, the adaptor PCB21 is soldered to the main PCB11 by means of through-hole soldering, the front end of the adaptor PCB21 protrudes forward from the front end of the main PCB11, and the front end of the adaptor PCB21 has a plurality of soldering holes 211.

The plastic web 22 rests on the surface of the transfer PCB 11.

The plurality of RJ45 terminals 23 are arranged at intervals and are all fixed on the plastic sheet 22, the plurality of RJ45 terminals 23 are all welded and conducted with the through PCB21, the plurality of RJ45 terminals 23 are welded and conducted with the front end of the through PCB21, the plurality of RJ45 terminals 23 are arranged in a front-back two rows and are arranged in a left-right staggered mode, and the welding parts 231 of the plurality of RJ45 terminals 23 are inserted into the corresponding welding holes 211 to be welded and conducted.

Detailed description the assembly method of this embodiment is as follows:

the assembly is completed by first fixing the main PCB11 on the surface of the electrical module 20 by soldering, then fixing the RJ45 terminals 23 on the plastic sheet 22, then fixing the fixed RJ45 terminals 23 on the adapting PCB21 by soldering to form the terminal module 20, and finally fixing the two-terminal module 20 on the surface of the main PCB11 by soldering.

The design of the utility model is characterized in that:

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above embodiment according to the technical spirit of the present invention are within the technical scope of the present invention.

Claims

1. A PCB switching structure of multiport RJ45 connector which characterized in that: the device comprises an electric module and two-terminal modules; the electrical module has a main PCB thereon; the two end sub-modules are respectively and symmetrically arranged on the upper surface and the lower surface of the front end of the main PCB, and each terminal module comprises a switching PCB, a plastic sheet and a plurality of RJ45 terminals; the adapter PCB is abutted against the surface of the main PCB and is welded and conducted with the main PCB; the plastic sheet is abutted against the surface of the transfer PCB; the plurality of RJ45 terminals are arranged at intervals and are all fixed on the plastic sheet, and the plurality of RJ45 terminals are all welded and conducted with the transfer PCB.

2. The PCB patching structure of the multi-port RJ45 connector of claim 1, wherein: the plurality of RJ45 terminals are arranged in front and back two rows and are arranged in a left-right staggered manner.

3. The PCB patching structure of the multi-port RJ45 connector of claim 1, wherein: the front end of the switching PCB protrudes forwards out of the front end of the main PCB, and the RJ45 terminals are welded and conducted with the front end of the switching PCB.

4. The PCB transition structure of a multi-port RJ45 connector of claim 3, wherein: the front end of switching PCB has a plurality of welding holes, the welding part of a plurality of RJ45 terminals inserts and welds in the corresponding welding hole and switches on.

5. The PCB patching structure of the multi-port RJ45 connector of claim 1, wherein: the switching PCB is welded on the main PCB in a through-hole welding mode.