CN214205945U - PCB board mounting hole structure - Google Patents
PCB board mounting hole structure Download PDFInfo
- Publication number
- CN214205945U CN214205945U CN202022876103.8U CN202022876103U CN214205945U CN 214205945 U CN214205945 U CN 214205945U CN 202022876103 U CN202022876103 U CN 202022876103U CN 214205945 U CN214205945 U CN 214205945U
- Authority
- CN
- China
- Prior art keywords
- mounting hole
- pcb board
- pcb
- cover plate
- standing groove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Structure Of Printed Boards (AREA)
- Mounting Of Printed Circuit Boards And The Like (AREA)
Abstract
The utility model discloses a PCB board mounting hole structure, including PCB board main part, the mounting hole has been seted up on the PCB board main part surface, the mounting hole link up PCB board main part, the mounting hole inner wall is equipped with insulating coating, the mounting hole top is equipped with the standing groove, the standing groove edge is equipped with the insulating rubber cover plate, the area of insulating rubber cover plate is greater than the open area of standing groove, the insulating rubber cover plate covers in the standing groove top, the insulating rubber cover plate is close to standing groove one side and is equipped with the bond line, the bond line is kept away from insulating rubber cover plate one side and is set up from the type layer. The utility model provides a PCB board mounting hole structure can protect the screw after PCB installs through the screw, avoids the screw surface to receive corruption or damage etc..
Description
Technical Field
The utility model relates to a PCB board technical field especially relates to a PCB board mounting hole structure.
Background
Pcb (printed Circuit board), which is called printed Circuit board in chinese, is an important electronic component, is a support for electronic components, and is a carrier for electrical connection of electronic components. It is called a "printed" circuit board because it is made using electronic printing.
The existing PCB is usually installed and fixed in a screw fixing mode, mounting holes are formed in the surface of the existing PCB in advance, and screws penetrate through the mounting holes to be fixed. The existing screw is directly exposed on the surface of a PCB after the PCB is fixedly installed, so that the screw is easily corroded, and the screw is difficult to disassemble in the subsequent disassembling process.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a PCB board mounting hole structure can pass through the screw with PCB and install after, protect the screw, avoids the screw surface to receive corruption or damage etc..
The utility model discloses a technical scheme that PCB board mounting hole structure adopted is:
the utility model provides a PCB board mounting hole structure, includes PCB board main part, the mounting hole has been seted up on the PCB board main part surface, the mounting hole link up PCB board main part, the mounting hole inner wall is equipped with insulating coating, the mounting hole top is equipped with the standing groove, the standing groove edge is equipped with the insulating rubber cover plate, the area of insulating rubber cover plate is greater than the open area of standing groove, the insulating rubber cover plate covers in the standing groove top, the insulating rubber cover plate is close to standing groove one side and is equipped with the bond line, the bond line is kept away from insulating rubber cover plate one side and is set up release layer.
Preferably, the inner wall of the mounting hole is provided with a thread structure.
As a preferred scheme, a copper-clad layer is arranged on the surface of the PCB, and the surface of the copper-clad layer is of a grid structure.
Preferably, the copper-clad layer comprises a first copper sheet and a second copper sheet, and the first copper sheet and the second copper sheet are fixed in an adhesion manner.
As the preferred scheme, the surface of the PCB main body is provided with an adhesive overflow groove along the edge of the copper-clad layer.
Preferably, the copper-clad layer and the surface of the PCB main body are provided with ink layers.
The utility model discloses a PCB board mounting hole structure's beneficial effect is: pass the mounting hole in the PCB board main part through the screw, fix the PCB board main part in required position, be equipped with insulating coating at the mounting hole inner wall, avoid the screw to take place to switch on the contact with other components and parts of PCB board main part, lead to the condition of PCB board main part short circuit. And be equipped with the standing groove above the mounting hole, when the screw twists PCB board main part, can accomodate the nut of screw in the standing groove, the insulating rubber cover plate at rethread standing groove edge shelters from the standing groove, tears the release layer on the bond line, makes the bond line expose, fixes insulating rubber cover plate adhesion on PCB board main part surface through the bond line. The screws are prevented from being directly exposed on the surface of the PCB main body, and the insulating rubber cover plate is used for shielding and protecting the screws.
Drawings
Fig. 1 is a schematic structural view of a PCB mounting hole structure of the present invention.
Fig. 2 is a cross-sectional view of a PCB board of the present invention.
Detailed Description
The invention will be further elucidated and described with reference to the following embodiments and drawings in which:
referring to fig. 1 and 2, a PCB board mounting hole 11 structure includes a PCB board main body 10, a mounting hole 11 is formed on a surface of the PCB board main body 10, and the mounting hole 11 penetrates through the PCB board main body 10.
11 inner walls of mounting hole are equipped with insulating coating, and 11 tops of mounting hole are equipped with standing groove 12, and standing groove 12 edge is equipped with insulating rubber cover plate 20, and insulating rubber cover plate 20's area is greater than standing groove 12's open area, and insulating rubber cover plate 20 covers in standing groove 12 top, and insulating rubber cover plate 20 is close to standing groove 12 one side and is equipped with bond line 21, and bond line 21 keeps away from insulating rubber cover plate 20 one side and sets up release layer 22.
Pass mounting hole 11 on the PCB board main part 10 through the screw, fix PCB board main part 10 in required position, be equipped with insulating coating at 11 inner walls of mounting hole, avoid the screw to take place to switch on the contact with other components and parts of PCB board main part 10, lead to the condition of PCB board main part 10 short circuit.
Be equipped with standing groove 12 above mounting hole 11, when the screw twists PCB board main part 10, can accomodate the nut of screw in standing groove 12, the insulating rubber cover plate 20 at rethread standing groove 12 edge shelters from standing groove 12, tears off release layer 22 on the bond line 21, makes the bond line 21 expose, fixes insulating rubber cover plate 20 bonding on PCB board main part 10 surface through bond line 21. The screw is prevented from being directly exposed on the surface of the PCB main body 10, and the screw is shielded and protected by the insulating rubber cover plate 20.
The inner wall of the mounting hole 11 is provided with a thread structure, so that screws can be better fixed with the PCB body 10.
In the above scheme, PCB board surface is equipped with and covers copper layer 30, covers copper layer 30 surface and is the grid structure, increases the area of charging of accepting of copper sheet and battery, can be better accomplish more quickly and charge.
And copper-clad layer 30 includes first copper sheet and second copper sheet, and first copper sheet and second copper sheet bonding are fixed, and bilayer structure stack sets up, plays better ground circuit conduction effect, avoids unexpected single layer construction's copper sheet when breaking unexpectedly, leads to unable normal use of PCB board main part 10.
The surface of the PCB board main body 10 is provided with the glue overflowing groove 13 along the edge of the copper coating 30, and when the first copper sheet and the second copper sheet are pressed, glue between the first copper sheet and the second copper sheet overflows to the surfaces of the first copper sheet and the second copper sheet, so that the surface coatings of the first copper sheet and the second copper sheet are influenced, and the copper coating 30 is short-circuited. So that the overflowed glue is collected through the glue overflowing groove 13.
The ink layer 14 is arranged on the surfaces of the copper-clad layer 30 and the PCB main body 10, so that physical disconnection of the copper-clad layer 30 is prevented, and meanwhile, the solder resist is also used, and short circuit caused by bridging in a welding process is avoided; insulation deterioration and corrosion caused by external environmental factors such as dust, moisture and the like can also be prevented; and has high insulation properties.
The utility model provides a PCB board mounting hole structure passes the mounting hole in the PCB board main part through the screw, fixes the PCB board main part in required position, is equipped with insulating coating at the mounting hole inner wall, avoids the screw to take place the conducting contact with other components and parts of PCB board main part, leads to the condition of PCB board main part short circuit. And be equipped with the standing groove above the mounting hole, when the screw twists PCB board main part, can accomodate the nut of screw in the standing groove, the insulating rubber cover plate at rethread standing groove edge shelters from the standing groove, tears the release layer on the bond line, makes the bond line expose, fixes insulating rubber cover plate adhesion on PCB board main part surface through the bond line. The screws are prevented from being directly exposed on the surface of the PCB main body, and the insulating rubber cover plate is used for shielding and protecting the screws.
It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.
Claims (6)
1. The utility model provides a PCB board mounting hole structure, a serial communication port, including PCB board main part, the mounting hole has been seted up on the PCB board main part surface, the mounting hole link up PCB board main part, the mounting hole inner wall is equipped with insulating coating, the mounting hole top is equipped with the standing groove, the standing groove edge is equipped with the insulating rubber cover plate, the area of insulating rubber cover plate is greater than the open area of standing groove, the insulating rubber cover plate covers in the standing groove top, the insulating rubber cover plate is close to standing groove one side and is equipped with the bond line, the bond line is kept away from insulating rubber cover plate one side and is set up from the type layer.
2. The PCB panel mounting hole structure of claim 1, wherein the inner wall of the mounting hole is provided with a screw structure.
3. The PCB mounting hole structure of claim 1, wherein the surface of the PCB is provided with a copper-clad layer, and the surface of the copper-clad layer is of a grid structure.
4. The PCB board mounting hole structure of claim 3, wherein the copper-clad layer comprises a first copper sheet and a second copper sheet, and the first copper sheet and the second copper sheet are fixed by adhesion.
5. The PCB mounting hole structure of claim 4, wherein the PCB body surface is provided with glue overflow grooves along edges of the copper-clad layer.
6. The PCB mounting hole structure of claim 5, wherein the copper-clad layer and the surface of the PCB body are provided with an ink layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022876103.8U CN214205945U (en) | 2020-12-04 | 2020-12-04 | PCB board mounting hole structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022876103.8U CN214205945U (en) | 2020-12-04 | 2020-12-04 | PCB board mounting hole structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214205945U true CN214205945U (en) | 2021-09-14 |
Family
ID=77649824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022876103.8U Expired - Fee Related CN214205945U (en) | 2020-12-04 | 2020-12-04 | PCB board mounting hole structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214205945U (en) |
-
2020
- 2020-12-04 CN CN202022876103.8U patent/CN214205945U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210914 Termination date: 20211204 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |