CN218162990U - Mainboard grounding structure - Google Patents
Mainboard grounding structure Download PDFInfo
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- CN218162990U CN218162990U CN202221804067.7U CN202221804067U CN218162990U CN 218162990 U CN218162990 U CN 218162990U CN 202221804067 U CN202221804067 U CN 202221804067U CN 218162990 U CN218162990 U CN 218162990U
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- main board
- elastic sheet
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Abstract
The utility model provides a mainboard ground structure, this mainboard ground structure includes: a middle frame; the main board is connected with the middle frame, and the main board is provided with an elastic piece mounting position; the elastic sheet is arranged on the elastic sheet mounting position; the mainboard support, mainboard support cover on the mainboard, and be connected with the center, wherein, be provided with the screw post on the center, shell fragment and screw post contact. Based on this mainboard ground structure, adopt the shell fragment paster to the mainboard on, realize the ground function of mainboard through the contact of the screw post on shell fragment and the center. Due to the adoption of the elastic sheet for grounding, the working height range of the elastic sheet is large, the influence of the manufacturing error of the screw column can be avoided, and the reliability of the grounding performance of the mainboard is ensured.
Description
Technical Field
The utility model relates to a ground structure, concretely relates to mainboard ground structure.
Background
Traditional mainboard ground connection scheme designs 0.05 mm's convex closure for on the preceding shell five metals screw post, locks with the screw after the mainboard installation, makes mainboard and preceding shell five metals screw post contact realize the ground connection function. However, due to the fact that errors exist in production and manufacturing, when the errors are large, the hardware screw columns are inconsistent in height, the main board cannot be fully contacted with the main board after the main board is locked, and therefore the grounding function of the main board is invalid.
In addition, static electricity is generated during production and use of the product, and the static electricity is discharged instantly to cause permanent damage to electronic components and systems, so that the design of electrostatic protection is required in the structural design. And traditional five metals screw post and mainboard contact scheme also leads to mainboard ground connection function to lose efficacy because manufacturing error easily.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that: thereby to above-mentioned current traditional five metals screw post because production error leads to the technical defect that mainboard ground connection function became invalid, provide a mainboard ground structure.
In order to solve the technical problem, the utility model provides a mainboard grounding structure, this mainboard grounding structure includes: a middle frame; the main board is connected with the middle frame, and the main board is provided with an elastic piece mounting position; the elastic sheet is arranged on the elastic sheet mounting position; the mainboard support, mainboard support cover on the mainboard, and be connected with the center, wherein, be provided with the screw post on the center, shell fragment and screw post contact.
The utility model provides an in the mainboard ground structure, can also have such characteristic: be provided with the screw hole on the mainboard, shell fragment installation position is around screw hole setting.
The utility model provides an in the mainboard ground structure, can also have such characteristic: the elastic sheet mounting position is arranged above the main board and is at least one through hole.
The utility model provides an in the mainboard ground structure, can also have such characteristic: the spring plate is provided with lugs corresponding to the through holes in number, and the lugs penetrate through the through holes.
The utility model provides an in the mainboard ground structure, can also have such characteristic: a hollow-out position is arranged in the middle of the elastic sheet and covers the screw hole.
The utility model provides an in the mainboard ground structure, can also have such characteristic: the bottom of the elastic sheet at the edge of the hollow-out position is provided with a cantilever, the cantilever is provided with a grounding contact, and the grounding contact is in contact with the top end of the screw post.
The utility model provides an in the mainboard ground structure, can also have such characteristic: the shell fragment installation position sets up the below at the mainboard, and the shell fragment passes through the mode of paster connection and is connected with the mainboard.
The utility model provides an in the mainboard ground structure, can also have such characteristic: be provided with the fretwork vacancy on the shell fragment, the fretwork position sets up in the below of screw hole, coincides with the screw hole, is provided with the cantilever on the shell fragment, is provided with the ground contact on the cantilever, and the ground contact contacts with the top contact of screw post.
The utility model provides an in the mainboard ground structure, can also have such characteristic: the positions corresponding to the screw holes on the main board on the middle frame and the main board support are provided with screw holes.
The utility model provides an in the mainboard ground structure, can also have such characteristic: the middle frame, the main board and the main board bracket are connected in a screw connection mode.
The beneficial effects of the utility model reside in that:
the utility model discloses an among the mainboard ground structure, including center, mainboard, shell fragment and mainboard support. The main board is connected with the middle frame, the elastic piece mounting position is arranged on the main board, the elastic piece is arranged on the elastic piece mounting position, and the main board support covers the main board and is connected with the middle frame. In addition, the middle frame is provided with a screw post, and the elastic sheet is contacted with the screw post. Based on this mainboard ground structure, adopt the shell fragment paster to the mainboard on, realize the ground connection function of mainboard through the contact of the screw post on shell fragment and the center. Due to the adoption of the elastic sheet for grounding, the working height range of the elastic sheet is large, the influence of the manufacturing error of the screw column can be avoided, and the reliability of the grounding performance of the mainboard is ensured.
In addition, the mainboard is provided with a screw hole, the installation position is arranged around the screw hole, and the elastic sheet is arranged above the mainboard. The mounting position is at least one through hole, the elastic sheet is provided with hanging lugs with the number corresponding to that of the through holes, and the hanging lugs penetrate through the through holes so that the elastic sheet is connected with the mainboard. A hollow-out position is arranged in the middle of the elastic sheet and covers the screw hole. And one side of the hollowed-out position is provided with a cantilever, and a grounding contact is arranged on the cantilever, so that when the screw is connected with the main board and the middle frame, the screw can pass through the screw hole and the hollowed-out position, and when the screw is screwed downwards, the cantilever on the elastic sheet generates elasticity after being subjected to the pressure of the screw, so that the grounding contact on the cantilever is fully contacted with the screw column, and the grounding performance of the main board is realized.
Moreover, the shell fragment can also set up in the below of mainboard, and shell fragment installation position sets up in the below of mainboard, and the shell fragment passes through the mode that the paster is connected and mainboard connection. The elastic sheet is provided with a hollow-out position which is coincided with the screw hole. A cantilever is arranged on the elastic sheet, and a grounding contact is arranged on the cantilever. When the screw is screwed in and the mainboard is locked, the mainboard presses the elastic sheet, so that the grounding contact on the elastic sheet is connected with the screw column, and the grounding performance of the mainboard is realized.
Drawings
Fig. 1 is a schematic structural diagram of a motherboard grounding structure in the present embodiment;
fig. 2 is a schematic structural diagram of the middle frame and the main board in the present embodiment;
FIG. 3 is a sectional view of the middle frame and the main plate in the present embodiment;
fig. 4 is a schematic front structure diagram of the main board in the embodiment;
FIG. 5 is an enlarged schematic view at A in FIG. 4;
fig. 6 is a schematic structural view of the elastic piece in the present embodiment;
FIG. 7 is a schematic view of a rear structure of a motherboard in another embodiment;
FIG. 8 is an enlarged schematic view at A in FIG. 6;
fig. 9 is a schematic structural diagram of a dome cantilever in another embodiment.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects of the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1 to 6, the main board grounding structure of the present embodiment includes a middle frame 10, a main board 20, a resilient piece 30 and a main board support 40.
The middle frame 10 is a part of the frame of the apparatus itself. The middle frame 10 is provided with screw posts 11 at the positions where the middle frame needs to be connected with the main board 20.
The main board 20 is provided with a screw hole 21 at a position corresponding to the screw post 11, and both sides of the screw hole 21 are correspondingly provided with spring plate mounting positions 22. The spring plate mounting positions 22 are two through holes symmetrically arranged around the screw holes 21.
Both ends of shell fragment 30 all are provided with hangers 31, and two hangers 31 are from last down to insert two through holes for shell fragment 30 is connected with mainboard 20, and is located mainboard 20's top. The middle of the two hanging lugs 31 is provided with a hollow-out position 32, and after the hanging lugs 31 are inserted into the through holes, the hollow-out position 32 just covers the screw holes 21, so that the screw holes 21 can be exposed.
The bottom of the spring plate 30 at the edge of the hollow 32 is provided with a cantilever 33, and the cantilever 33 is provided with a ground contact 34. The ground contact 34 is in contact with the top end of the stud 11.
The main board support 40 covers the main board 20, and support screw holes are provided at positions corresponding to the screw holes 21.
The installation flow of the mainboard grounding structure is as follows: firstly, inserting a hanging lug 31 of an elastic sheet 30 into a through hole on a mainboard 20, enabling the elastic sheet 30 to be in contact with the mainboard 20, and exposing a screw hole 21 on the mainboard 20 through a hollow-out position 32; then the main board 20 is mounted on the middle frame 10, and the main board bracket 40 covers the main board 20; then, screws 50 are adopted to penetrate through bracket screw holes on the main board bracket 40 and screw holes 21 on the main board 20 to lock the main board bracket 40, the main board 20 and the middle frame 10; when the screw 50 is screwed down and locked, the cantilever 33 on the elastic sheet 30 is pressed by the screw 50, so that the grounding contact 34 is contacted with the top end of the screw post 11, and the grounding performance of the main board 20 is realized.
In the present embodiment, the elastic sheet 30 is connected to the main board 20 through the hanging lug 31. In another embodiment, the elastic sheet 30 is connected to the main board 20 by a patch connection. In this embodiment, the main board 20 is not provided with a through hole, and the elastic sheet 30 is disposed at the bottom of the screw hole 21 by means of patch connection. The elastic sheet 30 is also provided with a hollow 32, and the hollow 32 coincides with the screw hole 21. The edge of the spring plate 30 in the hollow space is provided with a cantilever 33, and the cantilever 33 is provided with a ground contact 34. The ground contact 34 is in contact with the top end of the screw boss 11.
The main board grounding structure according to the above embodiment includes a middle frame, a main board, a spring and a main board support. The main board is connected with the middle frame, the elastic piece mounting position is arranged on the main board, the elastic piece is arranged on the elastic piece mounting position, and the main board support covers the main board and is connected with the middle frame. In addition, the middle frame is provided with a screw post, and the elastic sheet is contacted with the screw post. Based on this mainboard ground structure, adopt the shell fragment paster to the mainboard on, realize the ground connection function of mainboard through the contact of the screw post on shell fragment and the center. Due to the adoption of the elastic sheet for grounding, the working height range of the elastic sheet is large, the influence of the manufacturing error of the screw column can be avoided, and the reliability of the grounding performance of the mainboard is ensured.
In addition, be provided with the screw hole on the mainboard, the installation position sets up around the screw hole, and the shell fragment sets up the top of mainboard. The mounting position is at least one through hole, the elastic sheet is provided with hanging lugs with the number corresponding to that of the through holes, and the hanging lugs penetrate through the through holes to enable the elastic sheet to be connected with the mainboard. A hollow-out position is arranged in the middle of the elastic sheet and covers the screw hole. And one side of the hollowed-out position is provided with a cantilever, and the cantilever is provided with a grounding contact, so that the screw can pass through the screw hole and the hollowed-out position when being connected with the main board and the middle frame, and when the screw is screwed downwards, the upper cantilever of the elastic sheet generates elasticity after being pressed by the screw, so that the grounding contact on the cantilever is fully contacted with the screw column, and the grounding performance of the main board is realized.
Moreover, the shell fragment can also set up in the below of mainboard, and shell fragment installation position sets up in the below of mainboard, and the shell fragment passes through the mode that the paster is connected and mainboard connection. The elastic sheet is provided with a hollow-out position which is coincided with the screw hole. A cantilever is arranged on the elastic sheet, and a grounding contact is arranged on the cantilever. When the screw is screwed into the locking mainboard, the mainboard presses the elastic sheet, so that the grounding contact on the elastic sheet is connected with the screw column, and the grounding performance of the mainboard is realized.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their full equivalents, the present application is intended to include such modifications and variations.
Claims (10)
1. A motherboard grounding structure, comprising:
a middle frame;
the main board is connected with the middle frame, and an elastic piece mounting position is arranged on the main board;
the elastic sheet is arranged on the elastic sheet mounting position;
a main board support which covers the main board and is connected with the middle frame,
wherein, be provided with the screw post on the center, the shell fragment with the contact of screw post.
2. The main board grounding structure of claim 1, wherein:
be provided with the screw hole on the mainboard, shell fragment installation position centers on the screw hole sets up.
3. The motherboard grounding structure of claim 2, wherein:
the elastic piece mounting position is arranged above the main board and is at least one through hole.
4. A main board grounding structure according to claim 3, wherein:
the elastic sheet is provided with lugs corresponding to the number of the through holes, and the lugs penetrate through the through holes.
5. The motherboard grounding structure of claim 3, wherein:
the middle of the elastic piece is provided with a hollow-out position which covers the screw hole.
6. The main board grounding structure of claim 5, wherein:
a cantilever is arranged at the bottom of the edge of the hollow-out space on the elastic sheet, a grounding contact is arranged on the cantilever,
the ground contact is in contact with the top end of the screw post.
7. The motherboard grounding structure of claim 2, wherein:
the elastic sheet mounting position is arranged below the main board,
the elastic sheet is connected with the main board in a patch connection mode.
8. The main board grounding structure of claim 7, wherein:
the elastic sheet is provided with a hollow-out position which is arranged below the screw hole and is superposed with the screw hole,
a cantilever is arranged on the elastic sheet, a grounding contact is arranged on the cantilever,
the ground contact is in contact with the top end of the screw post.
9. The main board grounding structure of claim 1, wherein:
the center with on the mainboard support correspond the position department all to be provided with the screw hole.
10. The main board grounding structure of claim 1, wherein:
the middle frame, the mainboard support is connected through screwed connection's mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221804067.7U CN218162990U (en) | 2022-07-13 | 2022-07-13 | Mainboard grounding structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221804067.7U CN218162990U (en) | 2022-07-13 | 2022-07-13 | Mainboard grounding structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218162990U true CN218162990U (en) | 2022-12-27 |
Family
ID=84594174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221804067.7U Active CN218162990U (en) | 2022-07-13 | 2022-07-13 | Mainboard grounding structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218162990U (en) |
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2022
- 2022-07-13 CN CN202221804067.7U patent/CN218162990U/en active Active
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