CN210075686U - Anti-vibration and anti-collision multilayer PCB - Google Patents
Anti-vibration and anti-collision multilayer PCB Download PDFInfo
- Publication number
- CN210075686U CN210075686U CN201920101823.1U CN201920101823U CN210075686U CN 210075686 U CN210075686 U CN 210075686U CN 201920101823 U CN201920101823 U CN 201920101823U CN 210075686 U CN210075686 U CN 210075686U
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- China
- Prior art keywords
- vibration
- flexible insulating
- positioning
- collision
- circuit board
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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
Links
- 238000009434 installation Methods 0.000 claims abstract description 7
- 239000000919 ceramic Substances 0.000 claims description 4
- 230000017525 heat dissipation Effects 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims 1
- 229920001296 polysiloxane Polymers 0.000 claims 1
- 238000009413 insulation Methods 0.000 abstract description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 239000000741 silica gel Substances 0.000 description 3
- 229910002027 silica gel Inorganic materials 0.000 description 3
- 230000003245 working effect Effects 0.000 description 3
- 238000011084 recovery Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
Images
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- Mounting Of Printed Circuit Boards And The Like (AREA)
Abstract
The utility model provides an anti-vibration and anti-collision multilayer PCB, which comprises a multilayer circuit board body, wherein a positioning through hole penetrates through the multilayer circuit board body, a flexible insulating sleeve is arranged in the positioning through hole, two limiting grooves which are oppositely arranged are arranged in the inner wall of the flexible insulating sleeve, threads are arranged on the outer walls of the two ends of the flexible insulating sleeve, and the two ends of the flexible insulating sleeve are respectively in threaded connection with an insulating positioning nut; be equipped with the antivibration spring in the flexible insulation cover, the antivibration spring both ends all are connected with a location spliced pole, and the one end that the antivibration spring was kept away from to the location spliced pole is equipped with the installation screw, and the lateral wall external fixation of location spliced pole has the lift screens piece of two relative settings, and the matching of lift screens piece is installed in spacing recess. The utility model discloses can effectively avoid the collision contact between plate body and the casing, from violently, indulge two directions and realize reliable protection to the plate body, can effectively ensure the life and the normal operating performance of multilayer PCB board.
Description
Technical Field
The utility model relates to a PCB field specifically discloses an anti vibration anticollision type multilayer PCB board.
Background
PCB (printed Circuit board), which is called printed Circuit board in chinese, also called printed Circuit board, PCB board, is an important electronic component, which is a support for electronic components and a carrier for electrical connection of electronic components. It is called a printed circuit board because it is made by electronic printing. The multilayer PCB board refers to a PCB board with more than two layers and consists of a plurality of insulating base layers and conducting circuit layers.
Along with the development of science and technology, electronic product tends to miniaturization, portability design gradually, and electronic product's function mainly relies on the PCB board to realize, and portability electronic product often can take place not equidimension in the use and rock or vibrate to lead to the multilayer PCB board that sets up wherein to vibrate, easily bump with electronic product's structures such as casing when multilayer PCB board vibrates, lead to the structure of multilayer PCB board to be damaged, finally influence the normal working property of multilayer PCB board.
SUMMERY OF THE UTILITY MODEL
Therefore, it is necessary to provide a vibration-proof and anti-collision multilayer PCB to solve the problems in the prior art, which can reliably protect the board body from the horizontal and vertical directions and effectively prevent the multilayer PCB from being damaged due to collision.
In order to solve the prior art problem, the utility model discloses an anti-vibration and anti-collision multilayer PCB, which comprises a multilayer circuit board body with the thickness of D, wherein a positioning through hole penetrates through the multilayer circuit board body, a flexible insulating sleeve with the length of L is arranged in the positioning through hole, L > D, two limiting grooves which are oppositely arranged are arranged in the inner wall of the flexible insulating sleeve, threads are arranged on the outer walls of the two ends of the flexible insulating sleeve, and the two ends of the flexible insulating sleeve are respectively in threaded connection with an insulating positioning nut;
be equipped with the antivibration spring that original length is P in the flexible insulation cover, the antivibration spring both ends all are connected with a length and are the location spliced pole of Q, 2Q + P > L, and the one end that the antivibration spring was kept away from to the location spliced pole is equipped with the installation screw, and the lateral wall external fixation of location spliced pole has the lift screens piece of two relative settings, and the matching of lift screens piece is installed in spacing recess.
Furthermore, the multilayer circuit board body comprises a plurality of insulating layers and conducting circuit layers which are alternately stacked.
Furthermore, the periphery end surface of the multilayer circuit board body is sleeved with an anti-collision sleeve.
Further, flexible insulating cover is heat dissipation silica gel cover.
Furthermore, the lifting clamping block is an insulating ceramic clamping block.
Furthermore, the lifting clamping block is of a pawl structure, and the locking end of the lifting clamping block is located on one side far away from the anti-vibration spring.
The utility model has the advantages that: the utility model discloses a shock resistance anticollision type multilayer PCB board sets up special shock resistance anticollision structure, and the plate body structure can keep a safe distance all the time between the casing of applied electronic product, can effectively avoid the collision contact between plate body and the casing, from violently, indulge two directions and realize reliable protection to the plate body, can effectively ensure the life and the normal operating performance of multilayer PCB board.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic sectional view of the present invention.
The reference signs are: the anti-vibration circuit board comprises a multilayer circuit board body 10, an insulating layer 101, a conducting circuit layer 102, a positioning through hole 11, an anti-collision sleeve 12, a flexible insulating sleeve 20, a limiting groove 201, an insulating positioning nut 21, an anti-vibration spring 30, a positioning connecting column 31, an installation screw hole 311 and a lifting clamping block 32.
Detailed Description
For further understanding of the features and technical means of the present invention, as well as the specific objects and functions attained by the present invention, the present invention will be described in further detail with reference to the accompanying drawings and detailed description.
Refer to fig. 1 and 2.
The embodiment of the utility model discloses anti-vibration anticollision type multilayer PCB board, including the multilayer circuit board body 10 that thickness is D, it has positioning hole 11 to run through in the multilayer circuit board body 10, be equipped with the flexible insulating cover 20 that length is L in the positioning hole 11, L > D, namely both ends protrusion outside positioning hole 11 of flexible insulator 20, be equipped with two relative spacing recesses 201 that set up in the inner wall of flexible insulating cover 20, all be equipped with the screw thread on the outer wall at both ends of flexible insulating cover 20, the difference threaded connection has an insulating set nut 21 outside both ends of flexible insulating cover 20, insulating set nut 21 locks flexible insulating cover 20 in multilayer circuit board body 10;
the anti-vibration spring 30 with the original length of P is arranged in the flexible insulating sleeve 20, two ends of the anti-vibration spring 30 are connected with the positioning connecting columns 31 with the length of Q, the flexible insulating sleeve 20 has good deformation recovery performance, the lateral vibration force of the positioning connecting columns 31 can be effectively buffered, 2Q + P > L, namely the two positioning connecting columns 31 respectively protrude out of two ends of the flexible insulating sleeve 20 under normal conditions, one ends, far away from the anti-vibration spring 30, of the positioning connecting columns 31 are provided with installation screw holes 311, the positioning connecting columns 31 are installed in the machine shell through the screw matching installation screw holes 311, two lifting clamping blocks 32 which are oppositely arranged are fixed outside the side walls of the positioning connecting columns 31, the lifting clamping blocks 32 are installed in the limiting grooves 201 in a matching mode, the lifting clamping blocks 32 can do lifting motion in the limiting grooves 201, the anti-vibration performance of the multilayer circuit board body 10 is improved, and the lifting clamping blocks 32 are matched with the limiting grooves 201 to limit relative positions between the positioning The lifting clamping block 32 can be effectively prevented from being separated from the flexible insulating sleeve 20.
When the utility model is used, the through hole of the machine shell is connected with the mounting screw hole 311 by screw threads, the positioning connection column 31 is mounted on the machine shell, the flexible insulation sleeve 20 is inserted into the positioning through hole 11, the two insulation positioning nuts 21 are connected with the two ends of the flexible insulation sleeve 20 by screw threads, the insulation flexible sleeve 20 is positioned in the multilayer circuit board 10 with the two ends clamped tightly, the anti-vibration spring 30 is inserted into the flexible insulation sleeve 20, and then the two positioning connection columns 31 are inserted into the flexible insulation sleeve 20 from the two ends, because the flexible insulation sleeve 20 has certain deformability, the flexible insulation sleeve 20 is temporarily pressed to be partially deformed by the lifting clamping block 32 until the lifting clamping block 32 is inserted into the limiting groove 201, the flexible insulation sleeve 20 recovers to the original shape, the lifting clamping block 32 is limited in the limiting groove 201 and can only realize the lifting movement with a certain distance, when the vibration occurs, the two positioning connection posts 31 compress or stretch the anti-vibration spring 30 to buffer the vibration force, thereby effectively improving the anti-vibration performance of the whole structure.
The utility model discloses set up special anti vibration anticollision structure, plate body structure can remain a safe distance between the casing of applied electronic product all the time, can effectively avoid the collision contact between plate body and the casing, from violently, indulge two directions and realize reliable protection to the plate body, can effectively ensure the life and the normal working property of multilayer PCB board.
In the present embodiment, the multilayer circuit board body 10 includes a plurality of insulating layers 101 and conductive circuit layers 102 alternately stacked, and preferably, the multilayer circuit board body 10 includes two side insulating layers 101 and three conductive circuit layers 102.
In this embodiment, the periphery of the multilayer circuit board 10 is sleeved with an anti-collision sleeve 12, preferably, the anti-collision sleeve 12 is an elastic rubber sleeve, which can effectively prevent unnecessary collision between the multilayer circuit board 10 and the housing, and avoid the probability that the multilayer circuit board 10 is damaged by collision.
In this embodiment, flexible insulating cover 20 is heat dissipation silica gel cover, can effectively improve the radiating efficiency of multilayer circuit board body 10 to ensure its working property, heat dissipation silica gel cover has good deformation recovery performance simultaneously, can effectively realize the buffering damping effect to positioning connection post 31, can effectively let the position for lift screens piece 32 simultaneously.
In this embodiment, lift screens piece 32 is insulating ceramic screens piece, and insulating ceramic's surface is smooth, and coefficient of friction is little, can effectively reduce the frictional force that forms between lift screens piece 32 and the flexible insulating cover 20, can effectively improve the installation and insert the smooth and easy nature of location spliced pole 31, can effectively avoid flexible insulating cover 20 to be damaged simultaneously.
Based on the above embodiment, the elevation locking piece 32 is of a pawl structure, and the dead-lock end of the elevation locking piece 32 is located on the side away from the anti-vibration spring 30. Before the lifting clamping block 32 enters the limiting groove 201, the movement of the lifting clamping block 32 close to the anti-vibration spring 30 is not blocked, and the movement of the lifting clamping block 32 far from the anti-vibration spring 30 is blocked; when the lifting clamping block 32 enters the limiting groove 201 and the lifting clamping block 32 is far away from the anti-vibration spring 30 and reaches the edge of the limiting groove 201, the locking end of the lifting clamping block 32 is clamped at the edge of the limiting groove 201, and the lifting clamping block 32 is ensured to be incapable of being separated from the limiting groove 201.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (6)
1. The anti-vibration and anti-collision multilayer PCB is characterized by comprising a multilayer circuit board body (10) with the thickness of D, wherein a positioning through hole (11) penetrates through the multilayer circuit board body (10), a flexible insulating sleeve (20) with the length of L is arranged in the positioning through hole (11), L is greater than D, two limiting grooves (201) which are oppositely arranged are arranged in the inner wall of the flexible insulating sleeve (20), threads are arranged on the outer walls of two ends of the flexible insulating sleeve (20), and an insulating positioning nut (21) is respectively in threaded connection with the outer ends of the flexible insulating sleeve (20);
be equipped with in flexible insulating cover (20) anti-vibration spring (30) that original length is P, anti-vibration spring (30) both ends all are connected with a length and are positioning connection post (31), (2Q + P) > L of Q, positioning connection post (31) are kept away from the one end of anti-vibration spring (30) is equipped with installation screw (311), the lateral wall external fixation of positioning connection post (31) has lift screens piece (32) of two relative settings, lift screens piece (32) match and install in spacing recess (201).
2. Anti-vibration and anti-collision type multi-layer PCB board according to claim 1, wherein the multi-layer circuit board body (10) comprises a plurality of alternately stacked insulating layers (101) and conductive circuit layers (102).
3. Anti-vibration and anti-collision multi-layer PCB board according to claim 1, wherein the peripheral end surface of the multi-layer circuit board body (10) is externally sleeved with an anti-collision sleeve (12).
4. The anti-vibration and anti-collision type multilayer PCB board as claimed in claim 1, wherein the flexible insulating sleeve (20) is a heat dissipation silicone sleeve.
5. A vibration and impact resistant multi-layer PCB panel according to claim 1, wherein the lifting and lowering block (32) is an insulating ceramic block.
6. A vibration and impact resistant multi-layer PCB board according to claim 5, wherein the lifting and clamping block (32) is of a pawl structure, and the dead locking end of the lifting and clamping block (32) is positioned at the side far away from the vibration-proof spring (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920101823.1U CN210075686U (en) | 2019-01-21 | 2019-01-21 | Anti-vibration and anti-collision multilayer PCB |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920101823.1U CN210075686U (en) | 2019-01-21 | 2019-01-21 | Anti-vibration and anti-collision multilayer PCB |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210075686U true CN210075686U (en) | 2020-02-14 |
Family
ID=69423895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920101823.1U Expired - Fee Related CN210075686U (en) | 2019-01-21 | 2019-01-21 | Anti-vibration and anti-collision multilayer PCB |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210075686U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112954882A (en) * | 2021-01-27 | 2021-06-11 | 深圳市宏联电路有限公司 | Flexible printed circuit board and method for manufacturing circuit board by adopting ion implantation mode |
| CN115315063A (en) * | 2022-06-30 | 2022-11-08 | 深圳市力子光电科技有限公司 | Multilayer PCB and production process thereof |
-
2019
- 2019-01-21 CN CN201920101823.1U patent/CN210075686U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112954882A (en) * | 2021-01-27 | 2021-06-11 | 深圳市宏联电路有限公司 | Flexible printed circuit board and method for manufacturing circuit board by adopting ion implantation mode |
| CN115315063A (en) * | 2022-06-30 | 2022-11-08 | 深圳市力子光电科技有限公司 | Multilayer PCB and production process thereof |
| CN115315063B (en) * | 2022-06-30 | 2024-09-24 | 深圳市力子光电科技有限公司 | Multilayer PCB and production process thereof |
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| 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: 20200214 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |