WO2022000593A1

WO2022000593A1 - Connector

Info

Publication number: WO2022000593A1
Application number: PCT/CN2020/102986
Authority: WO
Inventors: 王建安; 陈勇利
Original assignee: 瑞声声学科技(深圳)有限公司; 瑞声精密制造科技(常州)有限公司
Priority date: 2020-06-30
Filing date: 2020-07-20
Publication date: 2022-01-06
Also published as: CN212542862U

Abstract

A connector, comprising: a first connector (31) welded on a first bearing plate (11) and a second connector (32) welded on a second bearing plate (12) and capable of matching the first connector (31). The periphery of the first connector (31) comprises a shielding cover (20) electrically connected to the first bearing plate (11); the second connector (32) is located in the shielding cover (20) after the first connector (31) matches the second connector (32); a conductive part is provided on the surface of the second bearing plate (12) facing the shielding cover (20); the shielding cover (20) comprises a cover wall part and pin parts (22) extending from the cover wall part to the second bearing plate (12); and the pin parts (22) abut against the conductive part. The pin parts (22) are added on the shielding cover (20) of the connector, the conductive part is added on the surface of the second bearing plate (12), and the pin parts (22) of the shielding cover (20) abut against the conductive part, so that metal reference grounds of the first bearing plate (11) and the second bearing plate (12) are connected to the shielding cover (20), thus improving the shielding effect.

Description

a connector

technical field

The utility model relates to the technical field of connectors, in particular to a connector.

Background technique

The technological development of terminal equipment has put forward high-frequency and high-speed transmission requirements for connectors, and increasing the frequency band, bandwidth and integration of terminal equipment will lead to more electromagnetic compatibility problems, such as electromagnetic leakage problems becoming more and more obvious.

The connector of the related art realizes the shielding function through the peripheral shielding cover after the male end and the female end are matched. However, since the peripheral shielding cover needs to consider various processing sequence factors, the shielding cannot be improved under the same processing difficulty and interference structure assembly. Effect.

Therefore, it is necessary to provide a new connector structure.

technical problem

The purpose of the present invention is to provide a connector, which can solve the problem in the prior art that the shielding effect cannot be improved under the same processing difficulty and interference structure assembly.

technical solutions

The technical solution of the present utility model provides a connector for connecting a first receiving plate and a second receiving plate, the connector comprises: a first connector welded to the first receiving plate and a first connector welded to the first receiving plate A second connector with two receiving plates that can be matched with the first connector, the periphery of the first connector includes a shielding cover that is electrically connected to the first receiving plate, and the first connector is connected to the first connector. After the second connector is matched, the second connector is located in the shielding cover, the side of the second receiving plate facing the shielding cover is provided with a conductive part, and the shielding cover includes a cover wall part and a The cover wall portion is a pin portion extending toward the second receiving plate, and the pin portion is in contact with the conductive portion.

Optionally, the cover wall portion includes: a plurality of cover wall surfaces extending from the first receiving plate to the direction of the second receiving plate, the cover wall surfaces and the second receiving plate are spaced apart, and the guide The foot part includes a plurality of connecting pins, and one end of the cover wall surface close to the second receiving plate is connected with the connecting pins.

Optionally, the conductive portion includes: a plurality of conductive sheets, the plurality of conductive sheets are arranged on the surface of the second receiving plate at intervals, and the connection pins are in contact with the adjacent conductive sheets.

Optionally, the connection pin is perpendicular to the conductive sheet, and one end of the connection pin away from the wall surface of the cover is in contact with the conductive sheet.

Optionally, the connecting pin is an elastic pin extending in an arc shape from the cover wall to the conductive sheet, and one end of the elastic pin away from the cover wall is in contact with the adjacent conductive sheet. catch.

Optionally, at least two of the connecting pins are spaced and symmetrically arranged on the same wall of the cover.

Optionally, the peripheral side wall of the second connector is provided with a first positioning part and a second positioning part, the first positioning part and the second positioning part form a limit opening, and the connecting pin is clamped. connected to the limit opening.

Optionally, the material of the conductive portion is copper material.

beneficial effect

The beneficial effect of the present utility model is that the connector of the present utility model is used for connecting the first receiving plate and the second receiving plate, including: a first connector welded to the first receiving plate and a first connector welded to the second receiving plate that can be A second connector with matching connectors, the periphery of the first connector includes a shielding cover electrically connected to the first receiving board, after the first connector and the second connector are matched, the second connector is located in the shielding cover, The side of the second receiving plate facing the shielding cover is provided with a conductive portion, and the shielding cover includes a cover wall portion and a pin portion extending from the cover wall portion to the second receiving plate, and the pin portion abuts against the conductive portion. In this solution, a lead portion is added to the shielding cover of the connector, and a conductive portion is provided on the surface of the second receiving plate. The metal reference ground is coherent with the shielding case, so that the shielding effect can be improved under the same processing difficulty and interference structure assembly.

Description of drawings

1 is a schematic diagram of the installation of a connector provided by an embodiment of the present invention;

FIG. 2 is an enlarged view of the structure of part A of the connector shown in the embodiment of FIG. 1;

3 is a schematic structural diagram of a shielding cover of the connector provided by the embodiment of FIG. 1;

4 is a schematic diagram of the installation of a connector provided by another embodiment of the present invention;

FIG. 5 is a structural side view of the connector provided by the embodiment of FIG. 4 .

Embodiments of the present invention

The present utility model will be further described below with reference to the accompanying drawings and embodiments.

In order to solve the technical problem in the prior art that the shielding effect cannot be improved under the same processing difficulty and interference structure assembly, the technical solution of the present invention provides a connector.

Referring to FIG. 1 , the connector is used to connect the first receiving plate 11 and the second receiving plate 12 . The connector includes: a first connector 31 welded to the first receiving plate 11 and a first connector 31 welded to the second receiving plate 12 and capable of being connected with the first receiving plate 12 . A second connector 32 matched with the connector 31. The periphery of the first connector 31 includes a shielding cover 20 that is electrically connected to the first receiving board. After the first connector 31 and the second connector 32 are mated, the second connection The device 32 is located in the shielding cover 20, the second receiving plate 12 is provided with a conductive portion on the side facing the shielding cover 20, and the shielding cover 20 includes a cover wall and a pin portion 22 extending from the cover wall to the second receiving plate 12. The leg portion 22 is in contact with the conductive portion.

The connector disclosed in the present invention includes: a first connector 31 , a second connector 32 that is mated and connected to the first connector 31 , and a shield provided on the periphery after the first connector 31 and the second connector 32 are mated and connected. In the cover 20 , in practical applications, the first connector 31 can be fixedly connected to the first receiving board 11 or the second receiving board 12 , and the data pins or power pins of the first connector 31 are electrically connected to the first receiving board 11 . connection, the second connector 32 is fixedly connected with the second receiving board 12 , and the data pins or power pins of the second connector 32 are electrically connected with the second receiving board 12 , in addition, the shielding cover 20 is connected with the first receiving board 11 electrical connection. It should be noted that the first connectors 31 located on the first receiving board 11 and the second receiving board 12 are circuit boards with circuit structures, such as PCB (Printed Circuit Board, printed circuit board), FPC (Printed Circuit Board, flexible circuit board) circuit board), after the first connector 31 of the connector is matched with the second connector 32, the electrical connection between the first receiving board 11 and the second receiving board 12 can be realized, and high-frequency and high-speed data can be realized. transfer requirements.

Further, a conductive part is provided on the surface of the second receiving plate 12 , the conductive part is a part of the exposed copper area added on the second receiving plate 12 , and the conductive part is connected to the relevant circuit of the second receiving plate 12 , such as a metal reference ground etc., the part of the exposed copper area is slightly raised from the surface of the second receiving plate 12 . Specifically, when the conductive part is arranged on the second receiving plate 12 , the conductive part can be embedded on the side of the second receiving plate 12 facing the connector through the side of the conductive part close to the second receiving plate 12 , or the conductive part can be connected to the second receiving plate 12 . Surface fixed connection. The shielding cover 20 specifically includes: a cover wall part surrounding the periphery of the first connector 31 and the second connector 32 after the mating connection; The conductive portion of the lead portion extends. The pin portion can be a spring foot, a convex hull, or other structural components that can achieve contact with the second receiving plate 12. The specific structure of the pin portion can be selected according to actual needs, and only the pin portion can be connected to the second receiving plate 12. The board 12 only needs to be in contact, and the structure type of the pin portion is not limited in this embodiment. In this embodiment, the pin parts are in contact with the conductive parts on the second receiving plate 12, so that the metal reference ground of the first receiving plate 11 and the second receiving plate 12 is better electrically connected to the shielding cover 20, and The addition of lead parts on the shielding cover 20 and the addition of conductive parts on the second receiving plate 12 are simple to process and do not need to assemble other overly complicated interference structures. Mass production can be realized. Under the same processing difficulty and interference structure assembly, The addition of pins in the shield will not affect the performance of the connector itself, such as the high-frequency and high-speed data transmission performance of the connector, and better shielding effect.

Referring to FIGS. 1 and 3 , in this embodiment, the cover wall portion includes: a plurality of cover wall surfaces 21 extending from the first receiving plate 11 to the second receiving plate 12 , and the cover wall surfaces 21 and the second receiving plate 12 are spaced apart , the pin part includes: a plurality of connecting pins 22, one end of the cover wall surface 21 close to the second receiving plate 12 is connected with the connecting pins 22. The shape of the cover wall portion can be any shape structure, such as a nearly cuboid, a near pentagonal prism, a hexagonal prism or a cylinder. and the second connector 32; preferably, the outer shape of the cover wall portion can be set according to the outer shape of the first connector 31 and the second connector 32 after the mating connection, because the first connector 31 of the connector The shape of the two connectors 32 after mating and connecting is approximately a rectangular parallelepiped, and the shape of the shielding cover 20 can be set to be approximately a rectangular parallelepiped peripheral wall according to the mating periphery of the first connector 31 and the second connector 32, and the shape of the cover wall is also Approximate the peripheral wall of a cuboid. The shielding cover of the approximate cuboid peripheral wall includes: four cover wall surfaces 21, the cover wall surfaces 21 are spaced from the second receiving plate 12, and further, the pin portion includes a plurality of connection pins 22, the connection pins 22 and One end of the cover wall surface 21 close to the second receiving plate 12 is fixedly connected. It should be noted that this embodiment does not specifically limit the number of connection pins 22, and does not limit the connection pins 22 set on each cover wall surface 21. The specific number of connecting pins 22 can be set according to actual needs. Preferably, the pin part of this embodiment includes four connecting pins 22, two opposite cover walls 21 are selected, and two cover walls 21 are provided on each cover wall 21. Connecting pins 22, these two connecting pins 22 are symmetrically arranged on the same cover wall surface 21, and a plurality of connecting pins 22 are in contact with the conductive parts on the second receiving plate 12 to realize the first receiving plate 11 and the second receiving plate 12. The metal reference ground of the receiving plate 12 is better electrically connected to the shielding cover 20 to maximize the shielding effect.

Referring to FIG. 1 , in the embodiment of the present invention, the conductive portion includes: a plurality of conductive sheets 121 , the plurality of conductive sheets 121 are arranged on the surface of the second receiving plate 12 at intervals, and the connecting pins 22 are in contact with the adjacent conductive sheets 121 . Specifically, the shape of the shielding cover 20 may be a multi-faceted structure, or the shape and structure of the shielding cover 20 may be set according to the peripheral shape of the first connector 31 and the second connector 32 after the mating connection. The conductive portion is used to abut or contact the additionally set connection pins 22 on the shielding case 20 . Therefore, the position of the conductive portion on the second receiving plate 12 can be based on the actual position of the connection pins 22 of the shielding case 20 . For example, the conductive part can be set around the periphery of the orthographic projection of the connector on the second receiving plate 12 , that is, the conductive part is arranged on the second receiving plate 12 outside the second connector 32 . In addition, the conductive portion can also be set according to the actual position of the connecting pin 22 . Preferably, the conductive portion can be divided into a plurality of conductive sheets 121 , the number of the conductive sheets 121 is the same as the number of the connection pins 22 , the plurality of conductive sheets 121 are arranged at intervals, and the conductive sheets 121 are respectively arranged on the connecting pins 121 , respectively. On the second receiving plate 12 near the cover wall surface 21 of the feet 22, the connecting pins 22 can abut with the corresponding conductive sheets 121, so that the shielding cover 20 is respectively connected to the metal reference ground of the first receiving plate 11 and the second receiving plate 12. The metal reference ground is electrically connected to realize the penetration, so as to improve the shielding effect of the shielding cover 20 .

4-5, in the embodiment of the present utility model, the orthographic projection of the shielding cover 20 on the second receiving plate 12 falls into the conductive sheet 121, the connection pins 22 are perpendicular to the conductive sheets 121, and the connection pins 22 One end away from the cover wall surface 21 is in contact with the conductive sheet 121 . Specifically, the conductive sheet 121 is disposed on the second receiving plate 12 directly below the shielding cover 20, so that the orthographic projection of the shielding cover 20 on the second receiving plate 12 falls into the conductive sheet 121, that is, the shielding cover 20 is perpendicular to each The conductive sheet 121, preferably, the conductive sheet 121 is disposed on the second receiving plate 12 directly below the connection pins 22, so that the ends of the connection pins 22 away from the cover wall 21 are vertically abutted with the conductive sheet 121.

Referring to FIG. 5 , in another embodiment of the present invention, the orthographic projection of the shielding cover 20 on the second receiving plate 12 does not fall into the conductive sheet 121 , and the connecting pins 22 are arc-shaped from the cover wall 21 to the conductive sheet 121 The elastic pins 22 ′ are extended, and one end of the elastic pins 22 ′ away from the cover wall is in contact with the adjacent conductive sheet 121 . Specifically, when the connecting pins 22 are set as pins that do not extend vertically from the cover wall surface 21, the pressing force of the connecting pins 22 on the conductive sheets 121 on the second receiving plate 12 can be reduced, and the first receiving plate can be effectively prevented from being pressed. 11 and the second receiving plate 12 are deformed or damaged, preferably, the connecting pins 22 are set as elastic pins 22' extending in an arc shape from the cover wall 21 to the conductive sheet 121, and the conductive sheet 121 is set on the shielding. The cover 20 is outside the orthographic projection of the second receiving plate 12, that is, the orthographic projection of the shielding cover 20 on the second receiving plate 12 does not fall into the conductive sheet 121, and the position of the conductive sheet 121 on the second receiving plate 12 is an elastic guide. The feet 22' extend to the position of the landing point on the second receiving plate 12, and elastic contact is formed between the elastic connection 22' and the conductive sheet 121, so as to ensure the contact between the elastic pins 22' and the conductive sheet 121, and reduce the elastic lead as far as possible. The pressing force between the feet 22 ′ and the conductive sheet 121 .

Referring to FIG. 1 and FIG. 4 , in the above-mentioned embodiment of the present invention, at least two connecting pins 22 are arranged on the same cover wall surface 21 at intervals and symmetrically. The number of connecting pins 22 on the same cover wall 21 can be set according to the number of conductive sheets 121, because the conductive sheets 121 are respectively connected to corresponding circuits on the second receiving board 12, such as reference ground or circuit common. By setting a plurality of connecting pins 22 on the same cover wall 21 to increase the contact area between the plurality of shielding covers 20 and the reference ground of the second receiving board 12 , the contact area with the reference ground of the second receiving board 12 is realized, and the reference ground of the metal on the second receiving board 12 is realized. Pass through to improve the shielding effect.

1-2, in the embodiment of the present invention, a first positioning portion 321 and a second positioning portion 322 are provided on the peripheral side wall of the second connector 32, and the first positioning portion 321 and the second positioning portion 322 are formed Limit port, connecting pin 22 is snapped into the limit port. Specifically, when the connection pins 22 are vertical pins, and the connection pins 22 need to be in vertical contact with the conductive sheet 121 , corresponding protrusions may be provided on the outer sidewall of the second connector 32 , such as the second A first positioning portion 321 and a second positioning portion 322 are provided on the peripheral side wall of the connector 32. The first positioning portion 321 and the second positioning portion 322 cooperate with each other to form a first positioning portion 321 and a second positioning portion 322. After the shielding cover 20 is installed on the periphery of the first connector 31 and the second connector 32 after mating connection, the connecting pins 22 are clamped in the limiting opening, and the conductive sheet 121 is located in the limiting opening. Just below the position port, when the connecting pin 22 and the conductive sheet 121 are in vertical contact, it prevents the external force from causing deformation of the connecting pin 22, such as side bending, etc., and effectively avoids the problem of poor contact between the pin and the conductive sheet 121. The reliability of the shielding case 20 is increased.

In the above-mentioned embodiments of the present invention, the material of the conductive portion is copper material. Specifically, the conductive part is made of Cu (copper) material as the conductor. Due to the good electrical conductivity of the copper material product, when the connecting pin 22 and the corresponding conductive sheet 121 of the conductive part are in contact with each other, the improvement is improved. The electrical conductivity between the shielding cover 20 and the conductive sheet 121 is to ensure the penetration effect between the first receiving plate 11 and the second receiving plate 12 and the shielding cover 20 .

In the connector provided by this solution, by adding pin parts on the shielding cover and providing a conductive part on the surface of the second receiving plate, the pin part of the shielding cover is abutted with the conductive part, so that the shielding cover and the first receiving plate are in contact with each other. The electrical connection is realized with the metal reference ground of the second receiving plate, which can further improve the shielding effect under the same processing difficulty and interference structure assembly.

The above are only the embodiments of the present utility model. It should be pointed out that for those of ordinary skill in the art, improvements can be made without departing from the inventive concept of the present utility model, but these belong to the present utility model. A new range of protection.

Claims

A connector for connecting a first receiving plate and a second receiving plate, the connector comprising: a first connector welded to the first receiving plate and a first connector welded to the second receiving plate and capable of being connected to the second receiving plate The first connector is matched with the second connector, the periphery of the first connector includes a shielding cover that is electrically connected to the first receiving board, and the first connector and the second connector are matched after mating. , the second connector is located in the shielding cover, and it is characterized in that, the side of the second receiving plate facing the shielding cover is provided with a conductive part, and the shielding cover includes a cover wall part and a part from the cover wall The pin portion extends toward the second receiving plate, and the pin portion is in contact with the conductive portion.
The connector according to claim 1, wherein the cover wall portion includes a plurality of cover wall surfaces extending from the first receiving plate in the direction of the second receiving plate, the cover wall surfaces and the The second receiving plate is spaced, the pin portion includes a plurality of connecting pins, and one end of the cover wall surface close to the second receiving plate is connected with the connecting pins.
The connector according to claim 2, wherein the conductive part comprises: a plurality of conductive sheets, the plurality of conductive sheets are arranged on the surface of the second receiving plate at intervals, and the connection pins are connected to adjacent The conductive sheets are in contact with each other.
The connector according to claim 3, wherein the connecting pin is perpendicular to the conductive sheet, and one end of the connecting pin away from the wall surface of the cover abuts the conductive sheet.
The connector according to claim 3, wherein the connecting pins are elastic pins extending in an arc shape from the cover wall to the conductive sheet, and the elastic pins are far away from the cover wall. One end of the conductive sheet is in contact with the adjacent conductive sheet.
The connector according to claim 2, wherein at least two of the connecting pins are spaced and symmetrically arranged on the same wall of the cover.
The connector according to claim 4, wherein a first positioning portion and a second positioning portion are provided on the peripheral side wall of the second connector, and the first positioning portion and the second positioning portion are formed A limit port, and the connecting pins are clamped in the limit port.
The connector according to claim 1, wherein the material of the conductive portion is copper material.