CN211959846U - Multilayer PCB board mounting structure - Google Patents
Multilayer PCB board mounting structure Download PDFInfo
- Publication number
- CN211959846U CN211959846U CN202021037178.0U CN202021037178U CN211959846U CN 211959846 U CN211959846 U CN 211959846U CN 202021037178 U CN202021037178 U CN 202021037178U CN 211959846 U CN211959846 U CN 211959846U
- Authority
- CN
- China
- Prior art keywords
- pcb
- carbon fiber
- pcb board
- mounting structure
- semicircular
- 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
Links
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 33
- 239000004917 carbon fiber Substances 0.000 claims abstract description 33
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 33
- 230000006835 compression Effects 0.000 claims abstract description 25
- 238000007906 compression Methods 0.000 claims abstract description 25
- 230000004888 barrier function Effects 0.000 claims description 17
- 230000008093 supporting effect Effects 0.000 claims description 17
- 238000003780 insertion Methods 0.000 claims description 9
- 230000037431 insertion Effects 0.000 claims description 9
- 238000009413 insulation Methods 0.000 claims description 9
- 229920002379 silicone rubber Polymers 0.000 claims description 4
- 239000010425 asbestos Substances 0.000 claims description 3
- 229910052895 riebeckite Inorganic materials 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 abstract description 5
- 238000009434 installation Methods 0.000 description 9
- 230000006872 improvement Effects 0.000 description 6
- 238000005452 bending Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 150000003071 polychlorinated biphenyls Chemical class 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
Images
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- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The utility model discloses a multilayer PCB board mounting structure, the multilayer PCB board includes two PCB boards, the PCB board is the rectangle, mounting structure includes two carbon fiber backup pads that relative interval set up, two the carbon fiber backup pad all is the rectangle, and the edge four corners department between these two carbon fiber backup pads is fixed with the heat insulating block respectively, the surface of carbon fiber backup pad has evenly seted up a plurality of ventilation holes along its length direction, the surface four corners of carbon fiber backup pad is fixed with a connecting element respectively; the vibration of the PCB in the horizontal direction can be filtered, and the PCB are flexibly connected, so that the phenomenon of hole breaking caused by overlarge stress on the jack on the PCB can be avoided; the top of the compression spring is pressed against the stop strip of the jack on the PCB board, so that the axial stress of the elastic semicircular cylinder can be buffered, and the vibration resistance of the elastic semicircular cylinder is further improved.
Description
Technical Field
The utility model relates to a PCB board field, concretely relates to multilayer PCB board mounting structure.
Background
The PCB is a carrier to which electronic components are electrically connected. It is called a "printed" circuit board because it is made using electronic printing. After the electronic equipment adopts the printed board, because of the consistency of the printed boards of the same type, the error of manual wiring is avoided, the automatic insertion or mounting, the automatic tin soldering and the automatic detection of electronic components can be realized, the quality of the electronic equipment is ensured, the labor productivity is improved, the cost is reduced, and the maintenance is convenient.
When the PCB board is installed and used in electrical equipment, usually, the PCB board is directly fixed in the shell of the equipment through a screw, but under the condition that the quantity of the PCB board of the electrical equipment is two, the PCB board is flatly unfolded, installed and fixed, and can occupy a larger area, so that the volume of the shell is increased, the production cost is increased, meanwhile, a corresponding buffer mechanism is lacked between the traditional PCB board and the shell, the vibration resistance of the PCB board is poor, the screw is rigidly connected with the mounting hole of the PCB board, when the external force influences, the mounting hole possibly leading to the PCB board generates an opening or breaks, and the PCB board is damaged.
Therefore, how to solve the defects of the prior art is a subject of the present invention.
Disclosure of Invention
In order to solve the problem, the utility model discloses a multilayer PCB board mounting structure.
In order to achieve the above purpose, the utility model provides a following technical scheme: a multilayer PCB board mounting structure comprises two PCBs, wherein each PCB board is rectangular, the mounting structure comprises two carbon fiber supporting plates which are oppositely arranged at intervals, each carbon fiber supporting plate is rectangular, heat insulation blocks are respectively fixed at four corners of the edge between the two carbon fiber supporting plates, a plurality of ventilation holes are uniformly formed in the surface of each carbon fiber supporting plate along the length direction of the carbon fiber supporting plate, and a connecting assembly is respectively fixed at four corners of the surface of each carbon fiber supporting plate;
the connecting assembly comprises two elastic semicircular cylinders which are oppositely arranged, the edges of the top ends of the two elastic semicircular cylinders are respectively provided with a limiting strip in an outward protruding mode, the opposite surfaces of the two elastic semicircular cylinders are respectively provided with a semicircular slot, and the two semicircular slots are formed in the axial direction of the elastic semicircular cylinders; a compression spring which is vertically arranged is fixed between the two semicircular slots, a gap is reserved between the compression spring and the semicircular slots, four corners of the edge of the PCB are respectively provided with an insertion hole corresponding to each connecting component, a blocking strip is formed in the middle of each insertion hole, and the width of each blocking strip is less than one half of the distance between the two elastic semicircular cylinders;
the two elastic semicircular cylinders are inserted into the jacks, the barrier strip is positioned between the two elastic semicircular cylinders, the top of the compression spring is pressed against the barrier strip, the compression spring acts on the barrier strip, and the limiting strip is pressed against the top surface of the PCB to limit the PCB.
As an improvement of the present invention, the middle portion of the barrier strip is formed with a circular piece, the diameter of the circular piece is the same as the outer diameter of the compression spring, and the top end of the compression spring is pressed against the circular piece.
As an improvement of the utility model, the elastic semicircular cylinder is a silicon rubber cylinder.
As an improvement of the utility model, the size of the carbon fiber support plate is greater than the size of the PCB plate.
As an improvement of the utility model, the heat insulation block is an asbestos heat insulation block.
Compared with the prior art, the utility model has the advantages of as follows: the mounting structure comprises two carbon fiber support plates which are oppositely arranged at intervals, the strength is high, the weight is light, when the PCB is fixed, a good supporting effect can be achieved, and the bending resistance of the PCB is improved; the surface of the carbon fiber supporting plate is provided with a plurality of ventilation holes, so that ventilation and heat dissipation of the PCB are facilitated; the connecting assembly comprises two elastic semicircular cylinders which are oppositely arranged, the two elastic semicircular cylinders can be directly extruded during connection and installation, the elastic semicircular cylinders are inserted into the insertion holes in the PCB after being reduced, after the elastic semicircular cylinders are released, the elastic semicircular cylinders recover to the original positions, the limiting strips on the elastic semicircular cylinders abut against the top surface of the PCB to limit the PCB, the installation and connection of the elastic semicircular cylinders and the PCB are convenient and quick, the PCB can be fixed on the carbon fiber supporting plate side by side, compared with a flat installation mode, the installation structure can reduce the occupied area of the PCB, meanwhile, the elastic semicircular cylinders have certain elasticity and can play a role in buffering, the vibration of the PCB in the horizontal direction can be filtered, the elastic semicircular cylinders are flexibly connected, and the phenomenon that holes are formed when the insertion holes in the PCB are stressed too much can be avoided; and a vertically arranged compression spring is further fixed between the semicircular slots of the elastic semicircular cylinders, and the tops of the compression springs are pressed on the stop bars of the jacks on the PCB, so that the axial stress of the elastic semicircular cylinders can be buffered, and the vibration resistance of the elastic semicircular cylinders is further improved.
Drawings
Fig. 1 is a perspective view of the present invention;
fig. 2 is a perspective view of the present invention from another angle;
FIG. 3 is an enlarged view of a portion A of FIG. 1;
fig. 4 is a schematic diagram of a jack structure on a PCB board.
List of reference numerals: 100-a carbon fiber support plate; 101-a thermal insulation block; 102-a vent; 200-a connection assembly; 201-elastic semicircular column; 202-a limit bar; 203-semicircular slot; 204-a compression spring; 300-a PCB board; 301-a jack; 302-barrier strip; 303-round piece.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by 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.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Example (b): referring to fig. 1-4, a multilayer PCB board mounting structure, the multilayer PCB board includes two PCB boards 300, the PCB boards 300 are rectangular, the mounting structure includes two carbon fiber support plates 100 arranged at an interval, the two carbon fiber support plates 100 are both rectangular, heat insulation blocks 101 are respectively fixed at four corners of an edge between the two carbon fiber support plates 100, a plurality of vent holes 102 are uniformly formed on the surface of the carbon fiber support plate 100 along a length direction thereof, and a connecting assembly 200 is respectively fixed at four corners of the surface of the carbon fiber support plate 100; the heat insulation block 101 is made of asbestos, and is used for isolating heat transfer between the two carbon fiber support plates 100 and preventing the heat transfer from affecting the PCB 300;
the connecting assembly 200 comprises two elastic semicircular columns 201 which are arranged oppositely, the top edges of the two elastic semicircular columns 201 are both provided with limiting strips 202 which protrude outwards, the opposite surfaces of the two elastic semicircular columns 201 are both provided with semicircular slots 203, and the two semicircular slots 203 are arranged along the axial direction of the elastic semicircular columns 201; a compression spring 204 which is vertically arranged is fixed between the two semicircular slots 203, a gap is reserved between the compression spring 204 and the semicircular slots 203, four corners of the edge of the PCB 300 are respectively provided with a jack 301 corresponding to each connecting assembly 200, a barrier strip 302 is formed in the middle of the jack 301, the width of the barrier strip 302 is less than one half of the distance between the two elastic semicircular columns 201, and enough extrusion space can be ensured between the two elastic semicircular columns 201;
the two elastic semicircular columns 201 are inserted into the insertion holes 301, the barrier strips 302 are positioned between the two elastic semicircular columns 201, the tops of the compression springs 204 are abutted against the barrier strips 302, the compression springs 204 act on the barrier strips 302, and the limiting strips 202 are abutted against the top surface of the PCB 300 to limit the PCB.
The carbon fiber support plate 100 has high strength and light weight, and can play a good role in supporting the PCB 300 when the PCB is fixed, so that the bending resistance of the PCB is improved; the surface of the carbon fiber support plate 100 is provided with a plurality of vent holes 102, which is beneficial to ventilation and heat dissipation of the PCB 300; the connecting assembly 200 comprises two elastic semicircular columns 201 which are oppositely arranged, the two elastic semicircular columns 201 can be directly extruded during connection and installation, the two elastic semicircular columns 201 are reduced and then inserted into the insertion holes 301 in the PCB 300, after the elastic semicircular columns 201 are released, the elastic semicircular columns 201 recover to the original positions, the limiting strips 202 on the elastic semicircular columns 201 abut against the top surface of the PCB 300 to limit the position of the PCB 300, the installation and connection of the two elastic semicircular columns are convenient and quick, the PCB 300 can be fixed on the carbon fiber supporting plate 100 side by side, compared with a flat installation mode, the installation structure can reduce the occupied area of the installation structure, meanwhile, the elastic semicircular columns 201 have certain elasticity, can play a buffering role, can filter the vibration of the PCB 300 in the horizontal direction, are flexibly connected, and can avoid the phenomenon that the insertion holes 301 in the PCB 300 are opened when being subjected to overlarge stress; a vertically arranged compression spring 204 is further fixed between the semicircular slots 203 of the two elastic semicircular columns 201, and the top of the compression spring 204 is pressed against the barrier strips 302 of the jacks 301 on the PCB 300, so that the axial stress of the elastic semicircular columns 201 can be buffered, and the vibration resistance of the elastic semicircular columns is further improved.
The middle part of the barrier strip 302 is formed with a disc 303, the diameter of the disc 303 is the same as the outer diameter of the compression spring 204, the top end of the compression spring 204 is pressed against the disc 303, and the disc 303 can form a good support for the compression spring 204.
The elastic semicircular cylinder 201 is a silicon rubber cylinder, and the elasticity of the silicon rubber cylinder is relatively good.
The size of the carbon fiber support plate 100 is greater than that of the PCB 300, which is advantageous for protecting the PCB 300.
The technical means disclosed by the scheme of the present invention is not limited to the technical means disclosed by the above embodiments, but also includes the technical scheme formed by the arbitrary combination of the above technical features. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications are also considered as the protection scope of the present invention.
Claims (5)
1. A multilayer PCB board mounting structure, multilayer PCB board includes two PCB boards (300), PCB board (300) is the rectangle form, its characterized in that: the mounting structure comprises two carbon fiber supporting plates (100) which are oppositely arranged at intervals, wherein the two carbon fiber supporting plates (100) are rectangular, heat insulation blocks (101) are respectively fixed at four corners of the edge between the two carbon fiber supporting plates (100), a plurality of vent holes (102) are uniformly formed in the surface of each carbon fiber supporting plate (100) along the length direction of the carbon fiber supporting plate, and four corners of the surface of each carbon fiber supporting plate (100) are respectively fixed with a connecting component (200);
the connecting assembly (200) comprises two elastic semicircular cylinders (201) which are arranged oppositely, the edges of the top ends of the two elastic semicircular cylinders (201) are respectively provided with a limiting strip (202) in an outward protruding mode, opposite surfaces of the two elastic semicircular cylinders (201) are respectively provided with a semicircular slot (203), and the two semicircular slots (203) are formed along the axial direction of the elastic semicircular cylinders (201); a compression spring (204) which is vertically arranged is fixed between the two semicircular slots (203), a gap is reserved between the compression spring (204) and the semicircular slots (203), four corners of the edge of the PCB (300) are respectively provided with a jack (301) corresponding to each connecting component (200), the middle of each jack (301) is formed with a barrier strip (302), and the width of each barrier strip (302) is less than one half of the distance between the two elastic semicircular columns (201);
the two elastic semicircular cylinders (201) are inserted into the insertion holes (301), the barrier strips (302) are located between the two elastic semicircular cylinders (201), the tops of the compression springs (204) are pressed against the barrier strips (302), the compression springs (204) act on the barrier strips (302), and the limiting strips (202) are pressed against the top surface of the PCB (300) to limit the PCB.
2. A multi-layered PCB board mounting structure as claimed in claim 1, wherein: a disc (303) is formed in the middle of the barrier strip (302), the diameter of the disc (303) is the same as the outer diameter of the compression spring (204), and the top end of the compression spring (204) is pressed against the disc (303).
3. A multi-layered PCB board mounting structure as claimed in claim 1, wherein: the elastic semicircular cylinder (201) is a silicon rubber cylinder.
4. A multi-layered PCB board mounting structure as claimed in claim 1, wherein: the size of the carbon fiber support plate (100) is larger than that of the PCB (300).
5. A multi-layered PCB board mounting structure as claimed in claim 1, wherein: the heat insulation block (101) is an asbestos heat insulation block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021037178.0U CN211959846U (en) | 2020-06-08 | 2020-06-08 | Multilayer PCB board mounting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021037178.0U CN211959846U (en) | 2020-06-08 | 2020-06-08 | Multilayer PCB board mounting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211959846U true CN211959846U (en) | 2020-11-17 |
Family
ID=73170686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021037178.0U Expired - Fee Related CN211959846U (en) | 2020-06-08 | 2020-06-08 | Multilayer PCB board mounting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211959846U (en) |
-
2020
- 2020-06-08 CN CN202021037178.0U patent/CN211959846U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201117 |