TWM557918U - Electric connector with reliable grounding structure - Google Patents

Abstract

The present invention relates to an electrical connector having a reliable grounding structure, comprising: a high speed interface, a filter module and a mask housing; wherein the high speed interface comprises an insulating body and a plurality of connecting terminals; and the filtering mode The filter module includes a plastic body and a PCB board that are provided with a plurality of output terminals and a plurality of ground terminals. Further, the ground terminals include a first connecting end electrically connected to the PCB board and a second connecting end integrally connected to the first connecting end by attaching the second connecting end to the outer surface of the plastic body; The cover shell is covered on the outside of the plastic body and has a screw hole corresponding to the second connecting end; then, a screw is screwed into the screw hole and the screw is tightly pressed against the second connecting end, thereby further The purpose of the grounding shield that electrically connects the PCB board through the grounding terminals and electrically connected to the mask housing through the screws; thus, the grounding structure of the current electrical connector is effectively solved, and the structure is complicated. A large space and electrically connected to the problem of unreliable.

Description

Electrical connector with reliable grounding structure

The present invention relates to the field of electrical connectors, and more particularly to an electrical connector having a reliable grounding structure.

Conventional electrical connectors, such as M8 connectors and M12 connectors, are purely mechanical connectors, which are mainly composed of a plastic insulator and a plurality of terminals. The connectors formed by such components are generally only used for low frequency signals. Transmission, while transmitting at high frequencies, can destabilize the signal and degrade the quality of the signal. However, under certain needs, high-frequency signals must be transmitted between devices; the solution adopted today is to set on the device board. Electronic components with filtering and other functions are designed to inevitably occupy the internal space of the device and affect the circuit layout of the device. Therefore, integrating the filter module into the electrical connector has become a technical solution to solve the above problems, in pursuit of The miniaturization and high electrical performance of the electrical connector, the grounding mode inside the electrical connector must be set according to local conditions and extremely cautious.

In view of this, the present invention is directed to the absence of the prior art, and its main purpose is to provide an electrical connector with a reliable grounding structure, which can effectively solve the problems of the existing electrical connector having a complicated structure, large space occupation, and unreliable grounding.

In order to achieve the above-mentioned primary purpose of the present invention, the creator of the present invention provides an embodiment of an electrical connector having a reliable grounding structure, comprising: a high speed interface, comprising: an insulative body having a circular cross section at one end And a plurality of through holes; and a plurality of connecting terminals are respectively disposed in the corresponding through holes; a filter module is disposed at a rear end of the circular cross section of the insulating body, and is electrically connected The high-speed interface includes a plastic body having a plurality of output terminals and a plurality of ground terminals, and a PCB board electrically connecting the output terminals and the ground terminals; and a mask housing covering the a high-speed interface and an outer portion of the filter module; wherein the ground terminals comprise a first connection end electrically connected to the PCB board and a second connection end integrally connected to the first connection end, and the The second connecting end is attached to the outer surface of the plastic body; wherein the mask outer shell is coated on the outer surface of the plastic body, and the mask outer shell has a screw hole corresponding to the second connecting end Wherein a screw screwed in the screw hole, and crimped on the second end connected to the ground terminal and the ground terminal through the plurality of the screw and the housing is electrically connected to the mask.

As a preferred solution, the outer surface of the plastic body is provided with at least one terminal slot corresponding to the second connection end of the ground terminal, and the second connection end is received in the terminal slot.

The present invention has obvious advantages and effects as compared with the prior art. Specifically, the above technical solution is that the first connection end of the grounding terminals is electrically connected to the PCB board. The second connecting end is attached to the outer surface of the plastic; and the shielding shell is coated on the outside of the plastic, and the shielding shell is provided with the screw hole corresponding to the second connecting end. Furthermore, the screw is screwed into the screw hole and is crimped to the second connecting end of the grounding terminal, and the grounding terminal is electrically connected to the masking shell through the screw; thus, the current electricity is effectively solved. The grounding mode of the connector is complicated, the space is large, and the electrical connection is unreliable.

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

Please refer to FIG. 1 to FIG. 5 . FIG. 1 is an assembled perspective view of an electrical connector with a reliable grounding structure of the present invention, and FIG. 2 is an exploded view of the electrical connector with a reliable grounding structure of the present invention, FIG. 3 2 is a partial assembly diagram of FIG. 2, FIG. 4 is a partial assembly diagram of FIG. 3, and FIG. 5 is a cross-sectional view of the electrical connector of the present invention having a reliable ground structure. As shown in the figure, it is an assembled, exploded and sectional view of an electrical connector with a reliable grounding structure of the present invention. As shown in the figure, the electrical connector having a reliable grounding structure includes: a high speed interface 10, a filter module 20, and a mask housing 30; wherein the filter module 20 and the high speed interface 10 are electrically The cover shell 30 is wrapped around the high speed interface 10 and the filter module 20 .

In the above, the high-speed interface 10 includes an insulative housing 11 and a plurality of connecting terminals 12, wherein the insulative housing 11 has a plurality of through holes 111, and one end of the insulative housing 11 has a circular cross section; The connecting terminals 12 are respectively disposed in the corresponding through holes 111, and each of the connecting terminals 12 has a soldering end 121. In this embodiment, the high speed interface 10 includes an M12 interface.

In the above, the filter module 20 is disposed at the rear end of the circular cross section of the insulative housing 11 , and the filter module 20 includes a plastic body 23 including a plurality of output terminals 21 and a plurality of ground terminals 22 . And a PCB board 24 electrically connecting the output terminals 21 and the ground terminals 22.

In the above, the electrical connector having a reliable grounding structure further includes a screw 40, and the grounding terminal 22 includes a first connecting end 221 electrically connected to the PCB board 24 and integrally connected with the first connecting end 221 And a second connecting end 222; and the second connecting end 222 is attached to the outer surface of the plastic body 23; further, the mask housing 30 is wrapped around the plastic body 23, and the mask housing 30 is A screw hole 31 is defined in the second connection end 222. In addition, the screw 40 is screwed into the screw hole 31 and is crimped onto the second connecting end 222 of the grounding terminal 22 , and the grounding terminal 22 is electrically connected to the mask housing 30 through the screw 40 . In the present invention, the second connecting end 222 of the outer surface of the plastic body 23 corresponding to the grounding terminal 22 is provided with at least one terminal slot 231, and the second connecting end 222 is received in the terminal slot 231, so that The shroud housing 30 is more flat and does not arch when the screw 40 is tightened.

Please continue to refer to Figures 1 through 5. As shown in the figure, the electrical connector of the present invention having a reliable grounding structure can be known. The assembly process is as follows: First, the output terminals 21 and the grounding terminals 22 are disposed on the plastic body 23; The circuit board terminals 21 and the grounding terminals 22 are soldered to the PCB board 24; further, the PCB board 24 is fixed on the base 25, and then the connecting terminals 12 are assembled on the insulative housing 11, And the insulating body 11 is fixed to the plastic body 23; at the same time, the mask shell 30 is wrapped around the high-speed interface 10 and the filter module 20; finally, the screw 40 is screwed into the screw hole 31. And being crimped to the second connecting end 222 of the grounding terminal 22, the grounding terminal 22 is electrically connected to the mask housing 30 through the screw 40.

The technical focus of the present invention is: by electrically connecting the first connection end of the grounding terminal to the PCB board, and the second connection end is attached to the outer surface of the plastic body; and the mask housing package Covering the outside of the plastic, and the shielding shell is provided with the screw hole corresponding to the second connecting end; the screw is screwed into the screw hole and crimped to the second connecting end of the grounding terminal, the grounding terminals The screw is electrically connected to the mask casing; thus, the problem that the grounding mode of the current electrical connector is complicated, the space is large, and the electrical connection is unreliable is effectively solved.

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. Therefore, any minor modifications, equivalent changes, and modifications made to the above embodiments in accordance with the technical spirit of the present invention are still It is within the scope of the novel technical solution.

<This new type>
10‧‧‧High speed interface
11‧‧‧Insulation body
111‧‧‧through hole
12‧‧‧Connecting terminal
121‧‧‧welding end
20‧‧‧Filter module
21‧‧‧Output terminal
22‧‧‧ Grounding terminal
221‧‧‧ first connection
222‧‧‧second connection
23‧‧‧ plastic body
231‧‧‧Terminal slot
24‧‧‧PCB board
25‧‧‧Base
30‧‧‧Mask enclosure
31‧‧‧ screw holes
40‧‧‧ screws

1 is an assembled perspective view of an electrical connector with a reliable grounding structure of the present invention; FIG. 2 is an exploded view of the electrical connector with a reliable grounding structure of the present invention; FIG. 3 is a partial assembled schematic view of FIG. FIG. 3 is a partial assembly view of FIG. 3; and FIG. 5 is a cross-sectional view of the electrical connector of the present invention having a reliable grounding structure.

Claims (2)

An electrical connector having a reliable grounding structure, comprising: a high-speed interface, comprising: an insulative body having a circular cross section at one end and having a plurality of through holes; and a plurality of connecting terminals respectively disposed in correspondence The filter module is disposed at a rear end of the circular cross section of the insulating body and electrically connected to the high speed interface; and includes: a plurality of output terminals and a plurality of ground terminals a plastic body and a PCB board electrically connecting the output terminals and the ground terminals; and a mask housing covering the high speed interface and the outside of the filter module; wherein the ground terminals include Electrically connected to one of the first connecting end of the PCB and a second connecting end integrally connected to the first connecting end, and the second connecting end is attached to the outer surface of the plastic body; The cover shell is covered on the outside of the plastic body, and the mask cover defines a screw hole corresponding to the second connection end; wherein a screw is screwed into the screw hole and is crimped to the second connection end of the ground terminal Up, and the connection Through the terminal screw and the housing is electrically connected to the mask. An electrical connector having a reliable grounding structure according to claim 1, wherein the outer surface of the plastic body is provided with at least one terminal slot corresponding to the second connection end of the grounding terminal, and the second connecting end It is housed in the terminal slot.