CN212163830U - Carbon film printed circuit board structure - Google Patents
Carbon film printed circuit board structure Download PDFInfo
- Publication number
- CN212163830U CN212163830U CN202021168740.3U CN202021168740U CN212163830U CN 212163830 U CN212163830 U CN 212163830U CN 202021168740 U CN202021168740 U CN 202021168740U CN 212163830 U CN212163830 U CN 212163830U
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- CN
- China
- Prior art keywords
- circuit board
- board main
- carbon film
- printed circuit
- film printed
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- 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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- Mounting Of Printed Circuit Boards And The Like (AREA)
Abstract
The invention relates to a carbon film printed circuit board structure which comprises a carbon film printed circuit board main body, wherein right-angled triangular rubber protection blocks are arranged on four vertex angles of the circuit board main body, inclined plane ends of the protection blocks are provided with accommodating cavities for inserting the vertex angles of the circuit board main body, the side walls of the accommodating cavities are of a frosted structure, a coating layer is arranged on the outer surface of the protection block, spiral pipes are arranged on the coating layers positioned on the upper side and the lower side of the protection block, through holes communicated with the accommodating cavities and corresponding openings in the spiral pipes are arranged on the coating layers and the side walls of the protection blocks, bolts with rod body ends penetrating through the through holes and contacting with corresponding end faces of the circuit board main body are screwed on the spiral pipes, circular rubber protection pads tightly attached to the corresponding end faces of the circuit board main body are adhered on the end faces of the bolt. The invention has simple structure and convenient use.
Description
Technical Field
The invention relates to the field of circuit board preparation, in particular to a carbon film printed circuit board structure.
Background
The circuit board has the name: ceramic circuit board, alumina ceramic circuit board, aluminum nitride ceramic circuit board, PCB board, aluminum substrate, high frequency board, thick copper board, impedance board, PCB, ultra-thin circuit board, printed (copper etching technology) circuit board, etc. The circuit board enables the circuit to be miniaturized and visualized, plays an important role in the batch production of fixed circuits and the optimization of the layout of electrical appliances, and the carbon film printed circuit board is one of the circuit boards. When the traditional carbon film printed circuit board falls down accidentally, the corners of the circuit board are easy to be damaged due to impact.
A new carbon film printed circuit board structure, such as that disclosed in CN209748891U, which solves the above problems, has the following disadvantages, such as: 1. mounting holes are formed in the circuit board and used for mounting positioning bolts on the bottom plate, so that the mounting holes can influence the overall strength of the circuit board, and the circuit board is easy to damage in the hole opening process; 2. the rubber corner protection pad can not wrap the top corner of the circuit board well to protect the circuit board, and meanwhile, the circuit board can not be effectively suspended in the air to prevent the circuit board from being contacted with a desktop or a ground object to cause influence.
Disclosure of Invention
The invention aims to provide a carbon film printed circuit board structure.
The technical problem of the invention is mainly solved by the following technical scheme:
the utility model provides a carbon film printed circuit board structure, includes carbon film printed circuit board main part, all be provided with right triangle rubber protection piece on four apex angles of circuit board main part, wherein the inclined plane end of protection piece is provided with and is used for circuit board main part apex angle male chamber that holds, and holds the chamber lateral wall and be the dull polish structure, protection piece surface is provided with one deck parcel layer, wherein all is provided with the screwed pipe on the parcel layer that is located both sides about the protection piece, and is provided with the intercommunication on parcel layer and the protection piece lateral wall and holds the chamber and correspond the inside open-ended through-hole of screwed pipe, the spiro union has pole body end to pass the through-hole and corresponds the bolt of end face contact with circuit board main part on the screwed pipe, and wherein it has hugs closely the circular rubber protection pad on circuit board main part corresponds the terminal surface to.
Preferably, the bolt is a cross bolt, wherein the head of the bolt is located outside the coil.
Preferably, the inner diameter of the spiral pipe is equal to the diameter of the through hole.
Preferably, the wrapping layer is made of stainless steel, and the wrapping layer and the protective block are fixedly bonded.
The invention has the beneficial effects that:
1. insert the intracavity parcel that holds of protection piece with circuit board main part apex angle and live for four groups protection pieces can alleviate and produce huge impact when carbon film printed circuit board main part accident drops, have avoided the edge of circuit board to receive wearing and tearing, guarantee the integrality of circuit board, have prolonged the life of circuit board.
2. The tail end of the bolt rod body and the protection pad penetrate through the through hole and are in contact with one end face of the circuit board main body, so that the bolt rod body is locked in the accommodating cavity, the top angle of the circuit board main body cannot slide out of the accommodating cavity without artificial intervention, the protection block and the circuit board main body are fixedly connected in a mode that the circuit board main body is extruded only through the bolt and the screw pipe in a screwed mode, the circuit board main body can be movably fixed in the protection block, the hole does not need to be formed in the circuit board main body, the strength of the circuit board main body is not damaged, the circuit board main body is fixed on the protection block, one of the screw pipes is in contact with the ground, the hanging wrapping layer and the protection block are formed, and finally the circuit board main body is hung.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of a guard block according to the present invention;
fig. 3 is a partial sectional view of the present invention.
In the figure: 1. the circuit board main part, 2, protection piece, 3, hold the chamber, 4, parcel layer, 5, solenoid, 6, through-hole, 7, bolt, 8, protection pad.
Detailed Description
The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.
The utility model provides a carbon film printed circuit board structure, includes carbon film printed circuit board main part 1, all be provided with right triangle rubber protection piece 2 on 1 four apex angles of circuit board main part, wherein the inclined plane end of protection piece 2 is provided with and is used for the 1 apex angle male chamber 3 that holds of circuit board main part, and holds 3 lateral walls in chamber and be the dull polish structure.
Insert the chamber 3 that holds in corresponding protection piece 2 through four apex angles departments with circuit board main part 1 and fix, the frictional force between its and circuit board main part 1 can be strengthened to the dull polish structure side wall that holds chamber 3 this moment, reduce its probability from holding the interior roll-off of chamber 3, make four groups of protection pieces 2 can alleviate the unexpected huge impact that produces when dropping of carbon film printed circuit board main part 1 through above-mentioned mode with this, the edge of having avoided the circuit board receives wearing and tearing, guarantee the integrality of circuit board, the life of circuit board has been prolonged.
Wherein be provided with one deck stainless steel wrapping layer 4 at protection piece 2 surface to it is fixed to bond between wrapping layer 4 and the protection piece 2, and all be provided with the solenoid 5 rather than integrative setting on the wrapping layer 4 that is located protection piece 2 upper and lower both sides, and be provided with the intercommunication on wrapping layer 4 and the protection piece 2 lateral wall and hold chamber 3 and correspond solenoid 5 inside open-ended through-hole 6, the cross bolt 7 that the end of the pole body passed through-hole 6 and correspond end face contact with circuit board main part 1 is gone up to the solenoid 5, and the head of bolt 7 is located the solenoid 5 outsides, and wherein bolt 7 pole body end face is last to bond and has hug closely circular rubber protection pad 8 on circuit board main part 1 corresponds the terminal surface, and protection pad 8 diameter is less than bolt 7 pole body diameter.
As shown in fig. 3, after the circuit board body 1 is inserted into the accommodating cavity 3, the shaft of the bolt 7 can be screwed with one of the screw tubes 5, so that the end of the shaft of the bolt 7 and the protection pad 8 pass through the through hole 6 and contact with one end surface of the circuit board body 1, and are locked in the accommodating cavity 3, so that the vertex angle of the circuit board body 1 cannot slide out of the accommodating cavity 3 without human intervention, and thus, the fixed connection between the protection block 2 and the circuit board body 1 can be realized by only screwing the bolt 7 with the screw tube 5 and pressing the circuit board body 1, so that the circuit board body 1 can be movably fixed in the protection block 2 without opening a hole in the circuit board body 1 and damaging the strength of the circuit board body 1.
The present invention has been described in detail, but the above description is only a preferred embodiment of the present invention, and is not to be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (4)
1. The utility model provides a carbon film printed circuit board structure, includes carbon film printed circuit board main part, its characterized in that, all be provided with right triangle rubber protection piece on four apex angles of circuit board main part, wherein the inclined plane end of protection piece is provided with and is used for circuit board main part apex angle male chamber that holds, and holds the chamber lateral wall and be dull polish structure, protection piece surface is provided with one deck parcel layer, wherein all is provided with the screwed pipe on the parcel layer that is located both sides about the protection piece, and is provided with the intercommunication on parcel layer and the protection piece lateral wall and holds the chamber and correspond the inside open-ended through-hole of screwed pipe, the spiro union has pole body end to pass the through-hole and corresponds end face contact's bolt with the circuit board main part on the screwed pipe, wherein bonds on the terminal surface of bolt.
2. A carbon film printed circuit board structure as claimed in claim 1, wherein the bolt is a cross bolt in which the head of the bolt is located outside the coil.
3. A carbon film printed circuit board structure as claimed in claim 1, wherein the inner diameter of the coil is equal to the diameter of the through hole.
4. The carbon film printed circuit board structure of claim 1, wherein the wrapping layer is made of stainless steel, and the wrapping layer and the protection block are bonded and fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021168740.3U CN212163830U (en) | 2020-06-22 | 2020-06-22 | Carbon film printed circuit board structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021168740.3U CN212163830U (en) | 2020-06-22 | 2020-06-22 | Carbon film printed circuit board structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212163830U true CN212163830U (en) | 2020-12-15 |
Family
ID=73700488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021168740.3U Expired - Fee Related CN212163830U (en) | 2020-06-22 | 2020-06-22 | Carbon film printed circuit board structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212163830U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113586921A (en) * | 2021-07-22 | 2021-11-02 | 李铭伟 | Intelligent wearable demonstration device for street popular propaganda |
-
2020
- 2020-06-22 CN CN202021168740.3U patent/CN212163830U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113586921A (en) * | 2021-07-22 | 2021-11-02 | 李铭伟 | Intelligent wearable demonstration device for street popular propaganda |
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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: 20201215 Termination date: 20210622 |
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| CF01 | Termination of patent right due to non-payment of annual fee |