CN216752220U - Waterproof type multilayer printed circuit board - Google Patents
Waterproof type multilayer printed circuit board Download PDFInfo
- Publication number
- CN216752220U CN216752220U CN202123302128.8U CN202123302128U CN216752220U CN 216752220 U CN216752220 U CN 216752220U CN 202123302128 U CN202123302128 U CN 202123302128U CN 216752220 U CN216752220 U CN 216752220U
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- Prior art keywords
- circuit board
- mounting
- limiting
- plate
- printed circuit
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- 230000000670 limiting effect Effects 0.000 claims abstract description 63
- 239000000758 substrate Substances 0.000 claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims abstract description 8
- RVCKCEDKBVEEHL-UHFFFAOYSA-N 2,3,4,5,6-pentachlorobenzyl alcohol Chemical compound OCC1=C(Cl)C(Cl)=C(Cl)C(Cl)=C1Cl RVCKCEDKBVEEHL-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000011248 coating agent Substances 0.000 claims abstract description 6
- 238000000576 coating method Methods 0.000 claims abstract description 6
- 230000000712 assembly Effects 0.000 claims description 7
- 238000000429 assembly Methods 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 239000011148 porous material Substances 0.000 claims description 2
- 230000004888 barrier function Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 description 5
- 230000003139 buffering effect Effects 0.000 description 3
- 230000005489 elastic deformation Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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- Mounting Of Printed Circuit Boards And The Like (AREA)
Abstract
The utility model discloses a waterproof multilayer printed circuit board, which relates to the technical field of circuit boards and comprises a circuit board and a mounting plate, wherein the circuit board consists of a bottom plate, a first substrate, a second substrate and a panel, the bottom of the first substrate is adhered to the upper surface of the bottom plate, the lower surface of the panel is adhered to the upper surface of the second substrate, the upper surface of the panel is provided with a PCBA nano moisture-proof coating, the circuit board is connected with the mounting plate through a buffer mechanism, the buffer mechanism comprises a mounting component, a limiting component, a first elastic component and a connecting component, the mounting components are arranged at four corners of the upper surface of the mounting plate, the limiting components and the first elastic components are arranged in the mounting components, the connecting components are arranged at the four corners of the circuit board, and the circuit board can be protected by the connecting components, so that the damage rate of the circuit board when being impacted by external force is reduced, and the purpose of reducing the use cost is achieved.
Description
Technical Field
The utility model relates to the technical field of circuit boards, in particular to a waterproof multilayer printed circuit board.
Background
A printed circuit board is a provider for electrical connection of electronic components, the development of the printed circuit board has been over 100 years old, the design of the printed circuit board is mainly a layout design, the circuit board has the main advantages of greatly reducing errors of wiring and assembly, improving automation level and production labor rate, and being divided into a single-sided board, a double-sided board, a four-layered board, a six-layered board and a multilayer circuit board according to the number of layers of the circuit board.
However, most of the existing waterproof multilayer printed circuit boards are rigidly mounted during mounting, so that the circuit board is easily damaged when being impacted by external force and cannot be used continuously, thereby increasing the use cost of the circuit board, and therefore, it is necessary to develop a waterproof multilayer printed circuit board.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to a waterproof multilayer printed circuit board, which solves the problem of the prior art that the existing waterproof multilayer printed circuit board is mostly rigidly mounted during mounting, so that the circuit board is easily damaged when being impacted by an external force, and cannot be used continuously, thereby increasing the use cost of the circuit board.
In order to achieve the purpose, the utility model provides the following technical scheme: a waterproof multilayer printed circuit board comprises a circuit board and a mounting plate, wherein the circuit board consists of a bottom plate, a first substrate, a second substrate and a panel, the bottom of the first substrate is adhered to the upper surface of the bottom plate, the lower surface of the panel is adhered to the upper surface of the second substrate, a PCBA nanometer moisture-proof coating is arranged on the upper surface of the panel, and the circuit board is connected with the mounting plate through a buffer mechanism;
buffer gear includes installation component, spacing subassembly, first elastic component and coupling assembling, the installation component is established in four corners of installation panel upper surface, spacing subassembly and first elastic component all establish inside the installation component, coupling assembling establishes in four corners of circuit board.
Preferably, the installation component includes the mounting groove, mounting groove quantity is four, four the mounting groove is established respectively in four corners of mounting panel upper surface, four the mounting groove is inside all to be connected with the erection column through spacing subassembly and first elastic component, erection column quantity is four, erection column and coupling assembling threaded connection.
Preferably, the limiting assembly comprises a limiting plate, the upper surface of the limiting plate is fixedly connected to the bottom end of the mounting column, the left side and the right side of the limiting plate are symmetrically and fixedly connected with limiting sliding blocks, the left side and the right side of the inner wall of the mounting groove are symmetrically provided with limiting sliding grooves, and the lower surface of the limiting plate is fixedly connected with a first elastic assembly.
Preferably, the number of the limiting sliding blocks is two, the number of the limiting sliding grooves is two, the two limiting sliding blocks and the two limiting sliding grooves are respectively in one-to-one correspondence, and the limiting sliding blocks slide in the corresponding limiting sliding grooves.
Preferably, first elastic component includes the spring, spring top fixed connection puts at limiting plate lower surface central point, spring bottom fixed connection puts at mounting groove inner wall bottom central point.
Preferably, coupling assembling includes first screw hole, first screw hole quantity is four, four first screw hole is established respectively in four corners of circuit board, four the equal threaded connection in first screw hole has positioning bolt, positioning bolt quantity is four.
Preferably, coupling assembling still includes the second screw hole, second screw hole quantity is four, four the second screw hole is established respectively at four erection column tops, four second screw hole and four positioning bolt are corresponding one-to-one respectively, positioning bolt bottom and corresponding second screw hole pore wall threaded connection.
Preferably, the second elastic component comprises four rubber strips, the lower surfaces of the four rubber strips are respectively bonded at the four edges of the upper surface of the first base plate, and the upper surfaces of the four rubber strips are respectively bonded at the four edges of the lower surface of the second base plate.
Compared with the prior art, the utility model has the beneficial effects that:
1. the buffering mechanism is matched for use, so that the circuit board and the mounting plate can be flexibly connected, and the impact force generated when the circuit board is impacted by external force can be effectively buffered by the first elastic component, so that the circuit board is protected, the damage rate of the circuit board is reduced, and the purpose of reducing the use cost is achieved;
2. through the cooperation use of the second elastic component who is equipped with for when the circuit board receives external impact, can carry out the secondary buffering operation between first base plate and the second base plate, thereby improve buffering effect, reduce the damage rate of circuit board once more.
Drawings
FIG. 1 is a structural cross-sectional view of the present invention;
FIG. 2 is an enlarged view taken at A in FIG. 1;
FIG. 3 is a front view of the structure of the present invention;
fig. 4 is a schematic three-dimensional structure diagram of the circuit board of the present invention.
In the figure: 1. a circuit board; 2. mounting a plate; 3. a base plate; 4. a first substrate; 5. a second substrate; 6. a panel; 7. PCBA nanometer moisture-proof coating; 8. mounting grooves; 9. mounting a column; 10. a limiting plate; 11. a limiting slide block; 12. a limiting chute; 13. a spring; 14. a first threaded hole; 15. positioning the bolt; 16. a second threaded hole; 17. a rubber strip.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The utility model provides the following technical scheme: referring to fig. 1-4, a waterproof multilayer printed circuit board comprises a circuit board 1 and a mounting plate 2, wherein the circuit board 1 is composed of a bottom plate 3, a first substrate 4, a second substrate 5 and a panel 6, the bottom of the first substrate 4 is adhered to the upper surface of the bottom plate 3, the lower surface of the panel 6 is adhered to the upper surface of the second substrate 5, the first substrate 4 and the second substrate 5 can be used for arranging circuits and electronic elements, the upper surface of the panel 6 is provided with a PCBA nano moisture-proof coating 7, therefore, under the action of the PCBA nano moisture-proof coating 7, the circuit board 1 can have a waterproof function, the circuit board 1 is connected with the mounting plate 2 through a buffer mechanism, the buffer mechanism comprises a mounting component, a limiting component, a first elastic component and a connecting component, the mounting component is arranged at four corners of the upper surface of the mounting plate 2, the limiting component and the first elastic component are arranged in the mounting component, and the connecting component is arranged at four corners of the circuit board 1;
the mounting assembly comprises mounting grooves 8, the number of the mounting grooves 8 is four, four mounting grooves 8 are respectively arranged at four corners of the upper surface of the mounting plate 2, the insides of the four mounting grooves 8 are respectively connected with mounting columns 9 through limiting assemblies, the number of the mounting columns 9 is four, the mounting columns 9 are in threaded connection with the connecting assembly, the limiting assemblies comprise limiting plates 10, the upper surfaces of the limiting plates 10 are fixedly connected at the bottom ends of the mounting columns 9, the left sides and the right sides of the limiting plates 10 are symmetrically and fixedly connected with limiting sliders 11, the number of the limiting sliders 11 is two, limiting chutes 12 are symmetrically arranged at the left sides and the right sides of the inner wall of the mounting groove 8, the number of the limiting chutes 12 is two, the two limiting sliders 11 and the two limiting chutes 12 are respectively in one-to-one correspondence, the limiting sliders 11 slide inside the corresponding limiting chutes 12, so that under the limiting action of the limiting sliders 11 and the limiting chutes 12, the mounting columns 9 and the limiting plates 10 can only slide inside the mounting grooves 8, the lower surface of the limiting plate 10 is fixedly connected with a first elastic component, the first elastic component comprises a spring 13, the top end of the spring 13 is fixedly connected with the central position of the lower surface of the limiting plate 10, the bottom end of the spring 13 is fixedly connected with the central position of the bottom of the inner wall of the mounting groove 8, so when the mounting columns 9 and the limiting plate 10 move downwards, the spring 13 can be compressed to elastically deform to generate elastic force, the connecting component comprises four first threaded holes 14, the number of the first threaded holes 14 is four, the four first threaded holes 14 are respectively arranged at four corners of the circuit board 1, positioning bolts 15 are all in threaded connection inside the four first threaded holes 14, the number of the positioning bolts 15 is four, the connecting component also comprises four second threaded holes 16, the number of the second threaded holes 16 is four, the four second threaded holes 16 are respectively arranged at the tops of the four mounting columns 9, the four second threaded holes 16 are respectively in one-to-one correspondence with the four positioning bolts 15, the bottom end of the positioning bolt 15 is in threaded connection with the hole wall of the corresponding second threaded hole 16, so that when the positioning bolt 15 is in threaded connection with the inside of the second threaded hole 16, the circuit board 1 can be connected to the mounting post 9 and then mounted on the mounting plate 2, and when the circuit board 1 is impacted by external force, the mounting post 9 is driven to move downwards so as to compress the spring 13, and then under the elastic action of the spring 13, the impact force on the circuit board 1 can be effectively buffered, so that the circuit board 1 is protected, the damage rate of the circuit board 1 is reduced, and the purpose of reducing the use cost is achieved;
the second elastic component includes rubber strip 17, rubber strip 17 quantity is four, four rubber strip 17 lower surfaces bond respectively in four edges of 4 upper surfaces of first base plate, four rubber strip 17 upper surfaces bond respectively in four edges of 5 lower surfaces of second base plate, so when circuit board 1 receives external force striking, rubber strip 17 can be pushed down to first base plate 4, thereby make rubber strip 17 take place elastic deformation and produce elasticity, thereby effectively cushion the impact force that circuit board 1 received once more, protect first base plate 4 and second base plate 5.
The working principle is as follows: the working personnel firstly rotate the four positioning bolts 15, so that the four positioning bolts 15 respectively penetrate through the four first threaded holes 14, the bottom ends of the four positioning bolts 15 are screwed into second threaded holes 16 formed in the tops of the four mounting columns 9, and at the moment, the mounting columns 9 and the limiting plate 10 can only move up and down under the limiting action of the limiting sliding blocks 11 and the limiting sliding grooves 12, so that the mounting columns 9 cannot be driven to rotate when the four positioning bolts 15 rotate, and when the working personnel rotate the positioning bolts 15, the mounting columns 9 can be firstly pressed to the bottom, so that the positioning bolts 15 can be stably screwed into the second threaded holes 16, and the circuit board 1 is connected with the mounting plate 2;
then when the circuit board 1 is impacted by external force in the using process, the circuit board 1 can drive the mounting column 9 to move downwards, so as to drive the limiting plate 10 to move downwards, so as to compress the spring 13, so that the spring 13 generates elastic force through elastic deformation, so as to effectively buffer the impact force on the circuit board 1, so as to protect the circuit board 1, and when the circuit board 1 is impacted by external force, the first substrate 4 can press down the rubber strip 17, so that the rubber strip 17 generates elastic force through elastic deformation, so as to effectively buffer the impact force on the circuit board 1 again, and protect the first substrate 4 and the second substrate 5, so that the damage rate of the circuit board 1 when being impacted by external force can be effectively reduced, and the purpose of reducing the using cost is achieved.
While the utility model has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the various features of the disclosed embodiments of this invention can be used in any combination with one another as long as no structural conflict exists, and the combination is not exhaustively described in this specification merely for the sake of brevity and resource savings. Therefore, it is intended that the utility model not be limited to the particular embodiments disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.
Claims (8)
1. The utility model provides a waterproof type multilayer printed circuit board, includes circuit board (1) and mounting panel (2), and circuit board (1) comprises bottom plate (3), first base plate (4), second base plate (5) and panel (6), and first base plate (4) bottom bonds at bottom plate (3) upper surface, and panel (6) lower surface bonds at second base plate (5) upper surface, and panel (6) upper surface is equipped with PCBA nanometer moisture barrier coating (7), its characterized in that: the circuit board (1) is connected with the mounting plate (2) through a buffer mechanism;
the buffer mechanism comprises a mounting assembly, a limiting assembly, a first elastic assembly and connecting assemblies, wherein the mounting assembly is arranged at four corners of the upper surface of the mounting plate (2), the limiting assembly and the first elastic assembly are arranged in the mounting assembly, and the connecting assemblies are arranged at four corners of the circuit board (1);
the upper surface of the first substrate (4) is connected with the lower surface of the second substrate (5) through a second elastic component.
2. The waterproof multilayer printed circuit board according to claim 1, characterized in that: the mounting assembly comprises mounting grooves (8), the number of the mounting grooves (8) is four, the mounting grooves (8) are respectively arranged at four corners of the upper surface of the mounting plate (2), the mounting grooves (8) are internally connected with mounting columns (9) through limiting assemblies and first elastic assemblies, the number of the mounting columns (9) is four, and the mounting columns (9) are in threaded connection with the connecting assemblies.
3. The waterproof multilayer printed circuit board according to claim 2, characterized in that: the limiting assembly comprises a limiting plate (10), the limiting plate (10) is fixedly connected to the bottom end of the mounting column (9), the limiting plate (10) is symmetrically and fixedly connected with limiting sliding blocks (11) in the left side and the right side, the mounting groove (8) is symmetrically and symmetrically provided with limiting sliding grooves (12) in the left side and the right side, and the limiting plate (10) is fixedly connected with a first elastic assembly in the lower surface.
4. A waterproof type multilayer printed circuit board according to claim 3, characterized in that: the number of the limiting sliding blocks (11) is two, the number of the limiting sliding grooves (12) is two, the two limiting sliding blocks (11) correspond to the two limiting sliding grooves (12) one by one, and the limiting sliding blocks (11) slide inside the corresponding limiting sliding grooves (12).
5. A waterproof type multilayer printed circuit board according to claim 3, characterized in that: first elastic component includes spring (13), spring (13) top fixed connection puts at limiting plate (10) lower surface central point, spring (13) bottom fixed connection puts at mounting groove (8) inner wall bottom central point.
6. The waterproof multilayer printed circuit board according to claim 2, characterized in that: coupling assembling includes first screw hole (14), first screw hole (14) quantity is four, four first screw hole (14) are established respectively in four corners of circuit board (1), four the inside equal threaded connection of first screw hole (14) has positioning bolt (15), positioning bolt (15) quantity is four.
7. The waterproof multilayer printed circuit board according to claim 6, characterized in that: coupling assembling still includes second screw hole (16), second screw hole (16) quantity is four, four second screw hole (16) are established respectively at four erection column (9) tops, four second screw hole (16) and four positioning bolt (15) are corresponding one by one respectively, positioning bolt (15) bottom and corresponding second screw hole (16) pore wall threaded connection.
8. The waterproof multilayer printed circuit board according to claim 1, characterized in that: the second elastic component comprises four rubber strips (17), the number of the rubber strips (17) is four, the lower surfaces of the rubber strips (17) are respectively bonded at four edges of the upper surface of the first base plate (4), and the upper surfaces of the rubber strips (17) are respectively bonded at four edges of the lower surface of the second base plate (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123302128.8U CN216752220U (en) | 2021-12-27 | 2021-12-27 | Waterproof type multilayer printed circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123302128.8U CN216752220U (en) | 2021-12-27 | 2021-12-27 | Waterproof type multilayer printed circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216752220U true CN216752220U (en) | 2022-06-14 |
Family
ID=81940095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123302128.8U Expired - Fee Related CN216752220U (en) | 2021-12-27 | 2021-12-27 | Waterproof type multilayer printed circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216752220U (en) |
-
2021
- 2021-12-27 CN CN202123302128.8U patent/CN216752220U/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: 20220614 |