WO2020062234A1

WO2020062234A1 - Grounding member and main device

Info

Publication number: WO2020062234A1
Application number: PCT/CN2018/109075
Authority: WO
Inventors: 周明; 李连臣; 梁接明; 韦毓海; 王洁羽
Original assignee: 北京比特大陆科技有限公司
Priority date: 2018-09-30
Filing date: 2018-09-30
Publication date: 2020-04-02
Also published as: CN109417238B; CN109417238A

Abstract

A grounding member and a main device. The grounding member comprises: a grounding member body (100) for conducting electricity, wherein the grounding member body (100) is provided with a connecting portion (110) and an elastic portion (120); the connecting portion (110) is used to connect to one of a chassis (300) and a circuit board (200), and the elastic portion (120) is used to abut the other of the chassis (300) and the circuit board (200). The main device comprises the chassis (300), the circuit board (200), and the grounding member. The circuit board (200) is installed within the chassis (300), and one end of the grounding member is connected to the chassis (300) and the other end is connected to the circuit board (200). For the grounding member and the main device, when the circuit board (200) needs to be removed or replaced, the circuit board (200) can be removed from the chassis (300) merely by applying a force to separate the elastic portion (120) from the chassis (300) or the circuit board (200). The operation is convenient and efficient.

Description

Grounding piece and host

Technical field

The present application relates to the field of power safety, for example, to a grounding piece and a host.

Background technique

In order to ensure the operating safety and signal stability of electronic equipment, the circuit board in the electronic equipment is usually grounded.

The common grounding method of circuit boards is to rely on screws for grounding, that is, to form screw holes on the circuit board, a conductive part electrically connected to the circuit board is formed around the screw holes, and one end of the screw can be screwed to the chassis through the screw holes, and The head of the screw can be pressed against the conductive part, thereby realizing the ground connection between the circuit board and the chassis.

However, when the circuit board fails and needs to be maintained or replaced, the screws need to be removed first, which is complicated and inefficient.

The above background art content is only used to help understand this application, and does not represent an acknowledgement or approval that any of the content mentioned is part of the common general knowledge relative to this application.

Summary of the Invention

An embodiment of the present disclosure provides a grounding member, including: a grounding member body for conducting electricity; the grounding member body is provided with a connecting portion and an elastic portion; the connecting portion is used to connect with one of a chassis or a circuit board, The elastic portion is configured to abut against the other of the chassis or the circuit board.

The grounding member as described above, wherein the grounding member body has a mounting surface, and the elastic portion is protrudingly provided on the mounting surface.

The grounding member as described above, wherein the elastic portion includes a first section and a second section; one end of the first section is fixed on the mounting surface, and the other end of the first section faces away from the installation. The direction of the surface extends, and the end is connected to one end of the second segment, and the other end of the second segment extends toward a direction close to the mounting surface.

The grounding member as described above, wherein the mounting surface is formed with an opening at a position facing the elastic portion.

The grounding member as described above, wherein the elastic portion includes an elastic sheet.

As described above, the number of the elastic portions is plural, and the plurality of elastic portions are disposed at intervals along the extending direction of the grounding element body.

The grounding member as described above, wherein the connection portion includes a plurality of through holes for passing screws.

The grounding member as described above, wherein the connection portion includes a soldering surface for soldering to the circuit board.

The grounding member as described above, wherein the soldering surface is provided with a projection for insertion into the circuit board.

The grounding member as described above, wherein the connection portion includes an overlapping portion for overlapping a mounting plate of the chassis.

The grounding member as described above, wherein the connection portion or the elastic portion is used for connection with a power pin of a circuit board.

The grounding member as described above, wherein the grounding member body is a flat plate-shaped body, and the mounting surface is a surface of the flat plate-shaped body.

The grounding piece as described above, wherein the grounding piece body includes a first portion and a second portion connected to the first portion, and the first portion and the second portion have a predetermined angle therebetween; the connecting portion The elastic portion is disposed on the first portion, and the elastic portion is disposed on the second portion.

The grounding member as described above, wherein the grounding member body further includes a third portion disposed parallel to the second portion, and one end of the third portion along the extending direction of the grounding member body is connected to the second portion. Partially connected; the elastic portion is provided on an inner surface of the second portion facing the third portion.

The grounding member as described above, wherein the grounding member body further includes a fourth portion disposed parallel to the first portion, and the fourth portion is provided with the elastic portion toward an inner surface of the first portion.

The grounding member as described above, wherein the grounding member body includes a base and an elastic member fixed on the base; the base includes a first bending portion and a second bending portion connected to the first bending portion. A bent portion, the first bent portion and the second bent portion have a preset angle, the elastic member covers the second bent portion, and the elastic portion is disposed on the elastic member The connecting portion is provided on the first bending portion.

The grounding member as described above, wherein the elastic member is riveted to the second bent portion.

The grounding member as described above, wherein the elastic member is formed with a protrusion, and the second bent portion is formed with a riveting hole for riveting with the protrusion.

The grounding member as described above, wherein the edge of the elastic member forms a limiting portion, the limiting portion extends in a direction close to the second bending portion, and the edge of the second bending portion abuts on On the limiting portion.

As described above, in the grounding member, a connecting hole is formed on the limiting portion, and a boss on which the connecting hole is inserted is provided on the second bending portion.

The grounding member as described above, wherein an outer surface of the elastic member facing away from the second bent portion forms the mounting surface.

The grounding member described above, wherein the elastic member includes a first elastic plate, a second elastic plate, and a connection plate, the first elastic plate and the second elastic plate are oppositely disposed, and one side of the connection plate Connected to the first elastic plate, and the other side of the connection plate is connected to the second elastic plate; the second elastic plate forms the mounting surface toward the inner surface of the first elastic plate, and A first elastic plate covers the second bent portion.

As described above, the two ends of the connecting plate along the extending direction of the grounding member body are respectively provided with abutment portions, and the abutting portions are protruded in a direction away from the first elastic plate.

An embodiment of the present disclosure further provides a host including a chassis, a circuit board, and a grounding member. The circuit board is installed in the chassis, and one end of the grounding member is connected to the chassis and the other end is connected to the circuit board. connection.

The host computer as described above, wherein the circuit board includes a power supply pin, and the ground member is connected to the power supply pin.

The grounding element and the host provided in the embodiments of the present disclosure are provided with a grounding element body including a connecting portion and an elastic portion; wherein the connecting portion is used to connect with one of the chassis or the circuit board, and the elastic portion is used to connect with the chassis or the circuit board. Another abut. When the circuit board needs to be removed or replaced, only the force needs to be applied to separate the elastic part from the chassis or the circuit board, the circuit board can be removed from the chassis, and the operation is convenient and efficient.

BRIEF DESCRIPTION OF THE DRAWINGS

One or more embodiments are exemplarily described by corresponding drawings. These exemplary descriptions and drawings do not limit the embodiments. Elements with the same reference numerals in the drawings are denoted as similar elements. The drawings do not constitute a scale limitation, and among them:

FIG. 1 is a schematic structural diagram of a grounding member in Embodiment 1 of the present disclosure;

2 is a schematic diagram of installing a grounding member in Embodiment 1 of the present disclosure;

3 is a partially enlarged view of the grounding member in FIG. 2;

4 is a schematic structural diagram of a grounding member in Embodiment 2 of the present disclosure;

FIG. 5 is a first schematic view of installing a grounding member in Embodiment 2 of the present disclosure; FIG.

FIG. 6 is a second installation schematic diagram of a grounding member in Embodiment 2 of the present disclosure;

FIG. 7 is a third installation schematic diagram of a grounding member in Embodiment 2 of the present disclosure; FIG.

8 is a schematic structural diagram of a grounding member in Embodiment 3 of the present disclosure;

FIG. 9 is a first schematic diagram of installing a grounding member in Embodiment 3 of the present disclosure; FIG.

10 is a partially enlarged view of FIG. 9;

FIG. 11 is a second schematic diagram of installing a grounding member in Embodiment 3 of the present disclosure;

FIG. 12 is a first schematic structural diagram of a grounding member in Embodiment 4 of the present disclosure; FIG.

FIG. 13 is a second structural schematic view of a grounding member in Embodiment 4 of the present disclosure; FIG.

14 is a schematic structural diagram of an elastic member in FIG. 13;

15 is a schematic structural diagram of a base in FIG. 13;

FIG. 16 is a first schematic view of installing a grounding member in Embodiment 4 of the present disclosure; FIG.

FIG. 17 is a second schematic diagram of installing a grounding member in Embodiment 4 of the present disclosure; FIG.

FIG. 18 is a simulation result diagram of RE radiation and frequency after the circuit board is grounded.

Reference sign description:

100: grounding body; 110: connection section;

111: through hole; 112: soldering surface; 112: welding surface;

113: protruding part; 114: overlapping part;

120: Elastic Department; 121: the first paragraph;

122: second paragraph; 130: installation surface;

131: opening; 140: the first part;

150: second part; 160: the base;

161: the first bending section; 162: the second bending section; 162: the second bending section;

163: riveting hole; 170: elastic member;

171: raised; 172: limit position;

173: connection hole; 174: boss;

175: the first elastic plate; 176: the second elastic plate;

177: connection plate; 178: abutment department;

180: The third part; 190: The fourth part;

200: circuit board; 210: power supply pin;

300: The chassis.

detailed description

In order to understand the features and technical contents of the embodiments of the present disclosure in more detail, the implementation of the embodiments of the present disclosure will be described in detail with reference to the accompanying drawings. The attached drawings are for reference only and are not intended to limit the embodiments of the present disclosure. In the following technical description, for ease of explanation, various details are provided to provide a full understanding of the disclosed embodiments. However, without these details, one or more embodiments can still be implemented. In other cases, to simplify the drawings, well-known structures and devices may simplify the display.

Example one

FIG. 1 is a schematic structural diagram of a grounding member in Embodiment 1 of the present disclosure; FIG. 2 is a schematic diagram of installing the grounding member in Embodiment 1 of the present disclosure; FIG. 3 is a partially enlarged view of the grounding member in FIG. 2.

Please refer to FIG. 1 to FIG. 3. An embodiment of the present disclosure provides a grounding member including: a grounding member body 100 for conducting electricity; the grounding member body 100 is provided with a connecting portion 110 and an elastic portion 120; 300 or one of the circuit boards 200 is connected, and the elastic portion 120 is configured to abut against the chassis 300 or the other of the circuit boards 200.

Specifically, a plurality of circuit boards 200 may be installed in the chassis 300, and a grounding member may be used to connect the circuit board 200 to the chassis 300, thereby achieving grounding of the circuit board 200.

The grounding member may include a grounding member body 100, and the grounding member body 100 is made of a conductive material such as a metal or a semiconductor, so that the electrical connection between the chassis 300 and the circuit board 200 can be achieved, and the circuit board 200 can be grounded. The shape of the grounding member body 100 may be various, and may be specifically set according to an actual installation position.

The grounding body 100 is provided with a connecting portion 110 and an elastic portion 120. The connecting portion 110 and the elastic portion 120 may be connected to the chassis 300 or the circuit board 200, for example, the connecting portion 110 is connected to the chassis 300, and the elastic portion 120 is connected to the circuit board 200. The connection or connection portion 110 is connected to the circuit board 200, and the elastic portion 120 is connected to the chassis 300.

Preferably, the circuit board 200 may include a power supply pin 210, and the connection portion 110 or the elastic portion 120 may be connected to the power supply pin 210, so that the grounding position is closer to the output port of the power supply, so the grounding loop is smaller and the number of cables can be reduced. Common-mode radiation.

The elastic portion 120 has a certain elasticity, which can be deformed under the action of elastic force, so that the elastic portion 120 can abut against the circuit board 200 or the chassis 300. The elastic portion 120 may have various structures. For example, the grounding member body 100 may include a coil spring. One end of the coil spring may constitute the elastic portion 120. The elastic portion 120 may abut against the circuit board 200 or the chassis 300.

Preferably, the number of the elastic portions 120 is multiple, and the plurality of elastic portions 120 are disposed at intervals along the extending direction of the grounding member body 100, so that the contact area between the grounding member and the chassis 300 or the circuit board 200 can be increased, and the grounding effect can be improved.

There may also be multiple structures of the connecting portion 110. For example, the connecting portion 110 may be fixed on the chassis 300 or the circuit board 200 by various methods such as snap-fitting or riveting.

Taking the connection portion 110 and the chassis 300 as an example, and the elastic portion 120 and the circuit board 200 as examples, when disassembling, only a force needs to be applied to overcome the elastic force of the elastic portion 120 so that the elastic portion 120 is separated from the circuit board 200, and the circuit board 200 Taking it out of the case 300 is more convenient and more efficient than removing screws in the prior art.

FIG. 18 is a simulation result diagram of RE radiation and frequency after the circuit board is grounded. Please refer to FIG. 18, where the abscissa represents the frequency, the ordinate represents the RE radiation, the dotted line represents the simulation result of the circuit board 200 not grounded, and the solid line represents the simulation result after the circuit board 200 is grounded. It can be seen from FIG. 18 that the magnitude of RE radiation of the circuit board 200 after grounding is significantly lower than the case without grounding.

The grounding member provided in the embodiment of the present disclosure is provided with a grounding member body including a connecting portion and an elastic portion; wherein the connecting portion is used to connect with one of the chassis or the circuit board, and the elastic portion is used to connect with another of the chassis or the circuit board One abut. When the circuit board needs to be removed or replaced, only the force needs to be applied to separate the elastic part from the chassis or the circuit board, the circuit board can be removed from the chassis, and the operation is convenient and efficient.

Further, as a preferred embodiment of the elastic portion 120, the grounding body 100 has a mounting surface 130, and the elastic portion 120 is protruded and disposed on the mounting surface 130.

Specifically, the mounting surface 130 may be a surface of the grounding member body 100, which may be a curved surface or a flat surface, which is not specifically limited herein. The elastic portion 120 is convexly disposed on the mounting surface 130. The shape of the elastic portion 120 may be various shapes such as a cylindrical shape and a prism shape. The elastic portion 120 may be integrally formed on the mounting surface 130 by pressing, or the elastic portion 120 may be formed on the mounting surface 130 by welding or the like. The structure is simple and easy to process.

Further, the elastic portion 120 may include a first section 121 and a second section 122; one end of the first section 121 is fixed on the mounting surface 130, and the other end of the first section 121 extends away from the mounting surface 130, and the The end is connected to one end of the second segment 122, and the other end of the second segment 122 extends toward a direction close to the mounting surface 130.

Specifically, the elastic portion 120 may include two sections, and an angle may be formed between the first section 121 and the second section 122, so that the connection between the first section 121 and the second section 122 may abut the power pin 210 or the chassis 300. on. The first section 121 may be disposed on the mounting surface 130, and the second section 122 may not be in contact with the mounting surface 130, thereby improving the deformability of the elastic portion 120, that is, increasing the elastic force of the elastic portion 120.

In addition, an opening 131 is formed at a position of the mounting surface 130 facing the elastic portion 120. The opening 131 can increase the deformation space of the second section 122. When the distance between the elastic portion 120 and the circuit board 200 or the chassis 300 is too close, after the grounding member is installed, the end of the second section 122 far from the first section 121 passes through the opening 131. This improves the versatility of the grounding fittings to suit different installation distances.

Preferably, the elastic portion 120 may include an elastic sheet, so that the area of the elastic portion 120 can be increased, the reliability of the connection between the elastic portion 120 and the circuit board 200 or the chassis 300 can be ensured, and the problem of poor ground connection cannot be avoided.

Please refer to FIG. 1. In this embodiment, the grounding body 100 is a flat plate-shaped body, and the mounting surface 130 is a surface of the flat plate-shaped body. The connecting portion 110 includes a plurality of through holes 111 for passing screws.

Specifically, the shape of the grounding member body 100 may be a flat plate, which may include two surfaces, one of which may constitute the mounting surface 130, and the elastic portion 120 may be convexly disposed on the surface, so that the elastic portion 120 and the grounding member The body 100 can be integrally formed, simplifying the processing process.

In addition, the grounding body 100 may be provided with a plurality of through holes 111, and the plurality of through holes 111 may be spaced apart along the extending direction of the grounding body 100, which is convenient for processing. During installation, the grounding piece body 100 can be screwed to the chassis 300 through the through hole 111 through screws. The elastic portion 120 may abut on the circuit board 200.

In addition, in this embodiment, the connecting part 110 is connected to the chassis 300, and the elastic part 120 is connected to the circuit board 200, that is, the grounding body 100 is screwed to the chassis 300 by screws, and the elastic part 120 can abut against the power pin 210 Compared with the solution of forming screw holes on a circuit board in the prior art, the solution in this embodiment can reduce the number of screw holes on the circuit board, does not need to occupy space on the circuit board, and can improve production and installation efficiency. At the same time, the area of the entire grounding member is small, which will not affect the heat dissipation of the circuit board 200.

However, this embodiment is not limited to this.

Example two

FIG. 4 is a schematic structural diagram of a grounding member in Embodiment 2 of the present disclosure; FIG. 5 is a schematic diagram of installation of a grounding member in Embodiment 2 of the present disclosure; FIG. 6 is a schematic diagram of installing a grounding member in Embodiment 2 of the present disclosure; FIG. 7 is The third installation schematic diagram of the grounding member in the second embodiment of the present disclosure.

Please refer to FIG. 4 to FIG. 7. This embodiment is based on the first embodiment, and the structure of the connecting portion 110 and the grounding member body 100 is improved. The other structures are the same as those of the above embodiment. For details, please refer to the above embodiments. More details. In this embodiment, the grounding member body 100 includes a first portion 140 and a second portion 150 connected to the first portion 140. The first portion 140 and the second portion 150 have a predetermined angle therebetween; the connecting portion 110 is disposed on the first portion 140, and has elasticity. The portion 120 is provided on the second portion 150.

Specifically, the first portion 140 and the second portion 150 may both be flat-shaped structures, and there may be a preset angle therebetween. The preset angle may be set according to the actual connection position. Preferably, the preset angle may be 90 degrees. The connecting portion 110 may be disposed on the first portion 140, and the elastic portion 120 may be disposed on the second portion 150. By providing the first part 140 and the second part 150, different connection positions can be adapted, and the versatility is higher. In addition, in this embodiment, the first portion 140 and the second portion 150 may be integrally processed from the same material, thereby simplifying the processing process.

Further, the grounding piece body 100 further includes a third portion 180 disposed parallel to the second portion 150. One end of the third portion 180 along the extending direction of the grounding piece body 100 is connected to the second portion 150. The second portion 150 faces the first portion 150. An elastic portion 120 is provided on an inner surface of the three portions 180.

The extending direction of the connecting line of the first part 140 and the second part 150 may be the extending direction of the grounding body 100. The third portion 180 may be a plate-like structure parallel to the second portion 150. One end of the third portion 180 along the extension direction of the grounding member body 100 may be connected to the second portion 150. The second portion 150 faces the inside of the third portion 180. The surface may be provided with an elastic portion 120. The power pin 210 may be L-shaped. The L-shape may include a vertical section and a horizontal section. The horizontal section may be inserted between the second section 150 and the third section 180. The elastic section 120 may abut against the horizontal section, and The segment is pressed against the third portion 180, thereby increasing the contact area of the power pin 210 and the grounding body 100.

Further, the grounding member body 100 further includes a fourth portion 190 disposed parallel to the first portion 140, and an elastic portion 120 is provided on an inner surface of the fourth portion 190 facing the first portion 140, so that the elastic portion 120 can rectify the vertical position of the power pin 210. The straight section abuts on the first part 140, which increases the contact area between the power pin 210 and the grounding body 100, and improves the grounding effect.

In this embodiment, the connecting portion 110 is connected to the chassis 300, and the elastic portion 120 is connected to the circuit board 200. The connecting portion 110 includes an overlapping portion 114 for overlapping a mounting plate of the chassis 300.

Specifically, the chassis 300 may be composed of a plurality of mounting plates, the connecting portion 110 may include an overlapping portion 114, the overlapping portion 114 may be a groove-like structure, and a portion of the mounting plate may be accommodated in the overlapping portion 114, or the overlapping portion 114 can be a hook-like structure, which can hook the mounting plate to achieve overlap. The position of the overlapping portion 114 may be set according to the actual installation position. Preferably, the overlapping portion 114 may be provided at one end along the extending direction of the grounding body 100.

Example three

FIG. 8 is a schematic structural diagram of a grounding member in Embodiment 3 of the present disclosure; FIG. 9 is a schematic diagram of installation of a grounding member in Embodiment 3 of the present disclosure; FIG. 10 is a partially enlarged view of FIG. 9; Installation diagram of grounding piece 2.

Please refer to FIG. 8 to FIG. 11. This embodiment is based on the first embodiment, and the structure of the connecting portion 110 and the grounding member body 100 is improved. The other structures are the same as those of the above embodiment. More details. In this embodiment, the grounding member body 100 includes a base 160 and an elastic member 170 fixed on the base 160; the base 160 includes a first bending portion 161 and a second bending portion 162 connected to the first bending portion 161. There is a predetermined angle between a bending portion 161 and the second bending portion 162, the elastic member 170 covers the second bending portion 162, and the elastic portion 120 is disposed on the elastic member 170; the connecting portion 110 is disposed on the first bending Department 161.

Specifically, the grounding piece body 100 is composed of two parts, and the base 160 may include a first bending portion 161 and a second bending portion 162 with a preset angle therebetween, and the preset angle may be set according to actual conditions. Preferably, the preset angle may be 90 degrees. In addition, the first bent portion 161 may be a direction or a circle.

The elastic member 170 may cover the second bending portion 162, and the connecting portion 110 may be provided on the first bending portion 161.

By arranging the base 160 and the elastic member 170 separately, the base 160 can be made of a relatively hard material, such as brass nickel plating, thereby improving the firmness of the fixing. The elastic member 170 may be made of a material with good elasticity, so as to facilitate the abutment of the elastic portion 120, which can ensure the fixing effect of the grounding member and the elasticity of the abutment of the elastic portion 120.

As a connection method of the elastic member 170 and the second bending portion 162, the elastic member 170 is riveted to the second bending portion 162, and the structure is simple and easy to implement. Preferably, the elastic member 170 is formed with a protrusion 171, and the second bending portion 162 is formed with a riveting hole 163 for riveting with the protrusion 171, the structure is simple, and the processing is convenient. The number of the protrusions 171 may also be plural, and the plurality of protrusions 171 may be disposed at intervals along the extending direction of the grounding body 100.

In order to facilitate the assembly of the base 160 and the elastic member 170, the edge of the elastic member 170 forms a limiting portion 172. The limiting portion 172 extends in a direction close to the second bending portion 162, and the edge of the second bending portion 162 abuts against the limiting position. Department 172. The limiting portion 172 may be formed by bending, and may be disposed on an edge of the entire elastic member 170 or may be disposed on a portion of the edge. During installation, the edge of the second bending portion 162 may be first abutted against the limiting portion 172, and then the protrusion 171 and the riveting hole 163 are pressed and riveted, and the assembly efficiency is higher.

Preferably, a connecting hole 173 is formed on the limiting portion 172, and a boss 174 is provided on the second bending portion 162 to insert the connecting hole 173. The shape of the connecting hole 173 may be the same as the cross-sectional shape of the boss 174. The boss The number of 174 can be multiple, which further improves the limit effect.

The shape of the elastic member 170 may also be various. Referring to FIG. 14, in this embodiment, the outer surface of the elastic member 170 facing away from the second bending portion 162 forms a mounting surface 130. That is, the elastic member 170 can be a plate-like structure, and its edges can be bent to form the limiting portion 172. The inner surface of the elastic member 170 can be riveted to the surface of the second bending portion 162. The outer surface of the elastic member 170 can form a mounting surface 130. The elastic portion 120 may be disposed on the surface.

In this embodiment, the elastic portion 120 is connected to the chassis 300, and the connection portion 110 is connected to the circuit board 200. As an embodiment of the connection portion 110, the connection portion 110 includes a welding surface 112 for welding with the circuit board 200, and a welding surface. 112 may be a surface of the first bending portion 161, and the shape of the soldering surface 112 may be set according to the position of the components on the circuit board 200. Preferably, the soldering surface 112 may be provided with a hole or a groove to avoid the component.

Preferably, the soldering surface 112 is further provided with a protruding portion 113 for inserting into the circuit board 200 to improve the fixing strength of the circuit board 200 and the grounding member.

Embodiment 4

FIG. 12 is a first structural schematic diagram of a grounding member in Embodiment 4 of the present disclosure; FIG. 13 is a second structural schematic diagram of a grounding member in Embodiment 4 of the present disclosure; FIG. 14 is a schematic structural diagram of an elastic member in FIG. 13; Schematic diagram of the structure of the base; FIG. 16 is the first installation schematic diagram of the grounding member in the fourth embodiment of the present disclosure; FIG. 17 is the second installation schematic diagram of the grounding member in the fourth embodiment of the present disclosure.

Please refer to FIGS. 12 to 17. As another structural form of the elastic member 170, the elastic member 170 includes a first elastic plate 175, a second elastic plate 176, and a connection plate 177, and the first elastic plate 175 and the second elastic plate 176. Opposingly, one side of the connecting plate 177 is connected to the first elastic plate 175, and the other side of the connecting plate 177 is connected to the second elastic plate 176; the second elastic plate 176 faces the inner surface of the first elastic plate 175 to form a mounting surface 130. The first elastic plate 175 covers the second bending portion 162.

Specifically, the extending direction of the connecting plate 177 may be the same as the extending direction of the connector body 100. The limiting portion 172 may be disposed on the edge of the first elastic plate 175, and the second elastic plate 176 is formed toward the inner surface of the first elastic plate 175. The mounting surface 130 and the elastic portion 120 may be disposed on the surface, so that the mounting plate of the chassis 300 can be abutted on the first elastic plate 175 to increase the contact area.

Further, abutment portions 178 are respectively provided at both ends of the connection plate 177 along the extension direction of the grounding member body 100. The abutment portions 178 are protruded in a direction away from the first elastic plate 175, and the abutment portions 178 can abut against the circuit. The edge of the board 200 plays a positioning role, which facilitates soldering of the connecting portion 110 to the circuit board 200. The ground connection portion 178 may be formed integrally with the elastic member 170.

It can be understood that, in the foregoing embodiment, the implementation manners of the connecting portion 110 can be replaced with each other. For example, in the first embodiment, the connecting portion 110 includes a through hole 111 for screwing, but the through hole 111 can also be applied in the second embodiment. In the third or fourth embodiment, it is not specifically limited herein.

Example 5

An embodiment of the present disclosure further provides a host including a chassis 300, a circuit board 200, and a grounding member. The circuit board 200 is installed in the chassis 300, and one end of the grounding member is connected to the chassis 300 and the other end is connected to the circuit board 200.

Specifically, the chassis 300 and the circuit board 200 may have a common structure in the prior art, and the structure and function of the grounding member are the same as those in the foregoing embodiment. For details, refer to the foregoing embodiment. In addition, since the chassis 300 is exposed to the air, there may be a problem of poor conductivity due to oxidation. Therefore, at the position where the grounding member is installed on the chassis 300, the chassis 300 may be polished to remove the oxide layer to improve the conductivity.

Further, the circuit board 200 includes a power supply pin 210, and the grounding member is connected to the power supply pin 210, so that the grounding position is closer to the output port of the power supply, so the grounding loop is smaller and the common mode radiation of the cable can be reduced.

The host provided by the embodiment of the present disclosure is provided with a grounding member body including a connecting portion and an elastic portion; wherein the connecting portion is used to connect with one of the chassis or circuit board, and the elastic portion is used to connect with the other of the chassis or circuit board Abut. When the circuit board needs to be removed or replaced, only the force needs to be applied to separate the elastic part from the chassis or the circuit board, the circuit board can be removed from the chassis, and the operation is convenient and efficient.

When used in this application, although the terms "first", "second", etc. may be used in this application to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. For example, without changing the meaning of the description, the first element may be called the second element, and likewise, the second element may be called the first element, as long as all occurrences of the "first element" are consistently renamed and all occurrences The "second component" can be renamed consistently. The first element and the second element are both elements, but may not be the same element.

The words used in this application are used to describe embodiments only and not to limit the claims. As used in the description of the embodiments and claims, the singular forms "a" (a), "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise . Similarly, the term "and / or" as used in this application means including any and all possible combinations of one or more associated listings. In addition, the terms "comprise" and variations thereof "comprises" and / or "comprising" when used in this application refer to stated features, wholes, steps, operations, elements, and / or The presence of a component does not exclude the presence or addition of one or more other features, wholes, steps, operations, elements, components, and / or groups of these.

The above technical description can be referred to the accompanying drawings, which form a part of the present application, and show in the drawings an implementation according to the described embodiments. Although the embodiments are described in sufficient detail to enable those skilled in the art to implement the embodiments, the embodiments are non-limiting; thus, other embodiments can be used without departing from the scope of the described embodiments. Situations can also make changes. All of these variations are considered to be included in the disclosed embodiments and the claims.

In addition, terminology is used in the foregoing technical description to provide a thorough understanding of the described embodiments. However, too detailed details are not required to implement the described embodiments. Therefore, the foregoing description of the embodiments has been presented for the purposes of illustration and description. The embodiments presented in the above description and the examples disclosed based on these embodiments are provided separately to add context and help to understand the described embodiments. The above description is not intended to be exhaustive or to limit the described embodiments to the precise form of the disclosure. Based on the above teachings, several modifications, alternatives, and variations are possible. In some cases, well-known process steps have not been described in detail to avoid unnecessarily affecting the described embodiments.

Industrial applicability

The technical solution of the present application realizes the grounding of the chassis and the circuit board by providing a grounding member, and the removal and installation operations are simple and efficient.

Claims

A grounding member, comprising: a grounding member body for conducting electricity;

The grounding member body is provided with a connecting portion and an elastic portion; the connecting portion is used to connect with one of the chassis or the circuit board, and the elastic portion is used to abut against the chassis or the other of the circuit board .
The grounding member according to claim 1, wherein the grounding member body has a mounting surface, and the elastic portion is protrudingly provided on the mounting surface.
The grounding member according to claim 2, wherein the elastic portion includes a first section and a second section; one end of the first section is fixed to the mounting surface, and the other end of the first section It extends in a direction away from the mounting surface, and the end is connected to one end of the second segment, and the other end of the second segment extends in a direction close to the mounting surface.
The grounding member according to claim 3, wherein an opening is formed at a position of the mounting surface facing the elastic portion.
The grounding member according to claim 4, wherein the elastic portion includes an elastic piece.
The grounding member according to claim 2, wherein the number of the elastic portions is plural, and the plurality of elastic portions are spaced apart along the extending direction of the grounding member body.
The grounding member according to claim 2, wherein the connection portion includes a plurality of through holes for passing screws.
The grounding member according to claim 2, wherein the connection portion includes a soldering surface for soldering to the circuit board.
The grounding member according to claim 8, wherein the soldering surface is provided with a protrusion for inserting into the circuit board.
The grounding member according to claim 2, wherein the connection portion includes an overlapping portion for overlapping the mounting plate of the chassis.
The grounding member according to claim 2, wherein the connection portion or the elastic portion is configured to be connected to a power pin of a circuit board.
The grounding member according to any one of claims 2 to 11, wherein the grounding member body is a flat plate body, and the mounting surface is a surface of the flat plate body.
The grounding element according to any one of claims 2-11, wherein the grounding element body includes a first portion and a second portion connected to the first portion, and the first portion and the second portion There is a preset angle between them; the connecting portion is provided on the first portion, and the elastic portion is provided on the second portion.
The grounding element according to claim 13, wherein the grounding element body further comprises a third portion disposed parallel to the second portion, and one end of the third portion along an extending direction of the grounding element body Connected to the second portion; the elastic portion is provided on an inner surface of the second portion facing the third portion.
The grounding member according to claim 14, wherein the grounding member body further comprises a fourth portion disposed parallel to the first portion, and the fourth portion is provided with an inner surface facing the first portion. Elastic section.
The grounding member according to any one of claims 2 to 11, wherein the grounding member body comprises a base and an elastic member fixed on the base;

The base includes a first bending portion and a second bending portion connected to the first bending portion. A predetermined angle is formed between the first bending portion and the second bending portion. An elastic member covers the second bending portion, and the elastic portion is disposed on the elastic member; the connecting portion is disposed on the first bending portion.
The grounding member according to claim 16, wherein the elastic member is riveted to the second bent portion.
The grounding member according to claim 17, wherein the elastic member is formed with a protrusion, and the second bent portion is formed with a riveting hole for riveting with the protrusion.
The grounding member according to claim 18, wherein an edge of the elastic member forms a limiting portion, and the limiting portion extends in a direction close to the second bending portion, and the second bending portion The edge of the abutment rests on the limiting portion.
The grounding member according to claim 19, wherein a connecting hole is formed on the limiting portion, and a protrusion on which the connecting hole is inserted is provided on the second bending portion.
The grounding member according to any one of claims 17-20, wherein an outer surface of the elastic member facing away from the second bent portion forms the mounting surface.
The grounding member according to any one of claims 17-20, wherein the elastic member comprises a first elastic plate, a second elastic plate, and a connection plate, the first elastic plate and the second elastic plate Opposingly, one side of the connection plate is connected to the first elastic plate, and the other side of the connection plate is connected to the second elastic plate;

The second elastic plate forms the mounting surface toward an inner surface of the first elastic plate, and the first elastic plate covers the second bent portion.
The grounding member according to claim 22, wherein abutment portions are respectively provided at both ends of the connection plate along the extension direction of the grounding member body, and the abutment portions are away from the first elastic plate. Direction protruding setting.
A host, comprising a chassis, a circuit board, and the grounding member according to any one of claims 1 to 23, the circuit board is installed in the chassis, and one end of the grounding member is connected to the chassis. And the other end is connected to the circuit board.
The host according to claim 24, wherein the circuit board includes a power pin, and the grounding member is connected to the power pin.