CN211033736U - Protective structure of circuit board - Google Patents
Protective structure of circuit board Download PDFInfo
- Publication number
- CN211033736U CN211033736U CN201921943974.8U CN201921943974U CN211033736U CN 211033736 U CN211033736 U CN 211033736U CN 201921943974 U CN201921943974 U CN 201921943974U CN 211033736 U CN211033736 U CN 211033736U
- Authority
- CN
- China
- Prior art keywords
- supporting
- circuit board
- supporting plate
- base
- surrounding edge
- Prior art date
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Links
- 230000001681 protective effect Effects 0.000 title abstract description 5
- 230000007246 mechanism Effects 0.000 claims abstract description 22
- 238000003825 pressing Methods 0.000 claims description 13
- 229920001971 elastomer Polymers 0.000 claims description 6
- 229920001821 foam rubber Polymers 0.000 claims description 4
- 239000010410 layer Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000013016 damping Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
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- Mounting Of Printed Circuit Boards And The Like (AREA)
Abstract
The utility model relates to a protective structure of a circuit board, which comprises a base and screw rods arranged at four vertex angles at the top of the base, wherein the top of the base is also provided with a pressure plate for the screw to pass through, a limit mechanism is arranged between the base and the pressure plate, wherein the screw rod above each group of limiting mechanisms is sleeved with a buffer spring, the screw rod between the lowest limiting mechanism and the base is sleeved with a supporting spring, the limiting mechanism comprises a supporting plate, wherein the top corner of the supporting plate is provided with a through hole for the screw to pass through, the top of the supporting plate is provided with a circle of surrounding edge, the top of the supporting plate at the inner side of the surrounding edge is provided with a circle of lower supporting strips, wherein the top of the supporting plate in the lower supporting bar is provided with a lower buffer block, and the bottom of the upper supporting plate is provided with a circle of upper supporting bar, the bottom of the supporting plate in the upper supporting bar is also provided with an upper buffer block, and a circuit board is arranged in the surrounding edge and positioned between the lower supporting bar and the upper supporting bar along the edge. The utility model discloses simple structure, convenient to use.
Description
Technical Field
The invention relates to the technical field of circuit boards, in particular to a protection structure of a circuit board.
Background
The circuit board is the most important and indispensable part in general electric products, and is mainly used for communicating each electronic part and chip to achieve a specific effect, and the circuit board needs to pass through various special machines and personnel in the process of welding the electronic parts and packaging to be assembled in the electric products, and the transportation and transmission of the circuit board among various machines and personnel are often completed by a conveyor belt or personnel, and the circuit board often falls down on the ground or is impacted by other objects due to mechanical failure or personnel negligence in the process of transportation and assembly.
Due to the fragile texture of the circuit board, when the above-mentioned situation occurs, a certain amount of chipping often occurs, especially when the corner end of the circuit board is just impacted, the corner end almost inevitably has a "chipping" situation, and the cracks even extend to the area where the circuit is fully distributed, thereby impairing the electrical characteristics of the circuit board.
Although the above problems are solved by a drop-resistant circuit board structure with the publication number of CN209593909U, the drop-resistant circuit board structure has some disadvantages, which is separated by upper and lower groups of circuit boards through damping devices, but the edge of the circuit board still contacts with external protruding objects, that is, the external protruding objects are inserted through the gap between the upper and lower adjacent groups of damping devices and contact with the circuit board, thereby causing damage to the circuit board, and the circuit board is generally rectangular before being manufactured into a finished product, and according to the scheme, arc-shaped notches are required to be formed at four top corners of the circuit board, so that the scheme technology can be smoothly performed only by forming notches at the top corners of the circuit board in the earlier stage, which results in an increase in workload, and meanwhile, the circuit board cut off by the part has a small area, and can only be discarded, resulting in.
Disclosure of Invention
The invention aims to provide a protection structure of a circuit board, which can effectively protect the circuit board and prevent the waste of circuit board materials.
The technical problem of the invention is mainly solved by the following technical scheme:
a protective structure of a circuit board comprises a base and screws arranged at four vertex angles at the top of the base, wherein a pressing plate is further arranged at the top of the base, round holes for the screws to pass through are formed in the pressing plate, nuts are screwed on the screws at the top of the pressing plate, a limiting mechanism is arranged between the base and the pressing plate, a buffer spring is sleeved outside the screw above each limiting mechanism, a supporting spring is sleeved outside the screw between the lowest limiting mechanism and the base, the limiting mechanism comprises a supporting plate, through holes for the screws to pass through are formed in the vertex angles on the supporting plate, a circle of surrounding edge is arranged at the top of the supporting plate on the inner side of the surrounding edge, a circle of lower supporting strip is arranged at the top of the supporting plate in the lower supporting strip, a lower buffer block is further arranged at the top of the supporting plate, and a circle of upper, the bottom of the supporting plate in the upper supporting bar is also provided with an upper buffer block corresponding to the lower buffer block, the bottom end of the upper supporting bar extends into a surrounding edge on the supporting plate below the upper supporting bar, and a circuit board is arranged in the surrounding edge and positioned between the lower supporting bar and the upper supporting bar along the edge.
Preferably, the lower supporting strip and the upper supporting strip are made of rubber materials.
Preferably, the lower buffer block and the upper buffer block are made of spongy cushions.
Preferably, a layer of sponge protective layer is bonded on the inner side wall of the surrounding edge above the lower supporting strip, and the upper supporting strip is located in an opening of the protective layer.
The invention has the beneficial effects that: according to the invention, the edges of the circuit board are clamped and fixed through the lower supporting strips and the upper supporting strips of the rubber, and meanwhile, the surrounding edges can limit the horizontal displacement of the circuit board, so that the circuit board is suspended and fixed in the surrounding edges through the lower supporting strips and the upper supporting strips, circuits or electronic components at the upper end and the lower end of the circuit board cannot be in contact with the corresponding end surfaces of the corresponding supporting plates to cause impact damage, and meanwhile, the limiting and fixing can be realized without intercepting the edges of the circuit board, so that the material consumption of the circuit board is saved; and meanwhile, the circuit board is placed in the sealed limiting mechanism, so that external foreign matters can be prevented from contacting the circuit board to damage the circuit board.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a portion of the present invention;
fig. 3 is a plan view of the spacing mechanism of the present invention.
In the figure: 1. the base, 2, the screw rod, 3, the clamp plate, 4, the nut, 5, stop gear, 51, the backup pad, 52, the surrounding edge, 53, the under bracing strip, 54, go up the brace, 6, the through-hole, 7, buffer spring, 8, supporting spring, 9, the buffer block down, 10, go up the buffer block, 11, the circuit board, 12, the buffer layer.
Detailed Description
The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings 1-3.
The utility model provides a protective structure of circuit board, includes base 1 and sets up screw rod 2 at four apex angle departments in base 1 top, and wherein base 1 top still is provided with clamp plate 3, and sets up the round hole that is used for screw rod 2 to pass on the clamp plate 3, the spiro union has nut 4 on the screw rod 2 at clamp plate 3 top.
As shown in fig. 1, a limiting mechanism 5 is arranged between a base 1 and a pressing plate 3, wherein a buffer spring 7 is sleeved on a screw rod 2 above each group of limiting mechanisms 5, and a supporting spring 8 is sleeved on a screw rod 2 between the lowest limiting mechanism 5 and the base 1, so that the limiting mechanisms 5 are damped and buffered by the supporting spring 8 and the buffer spring 7, and the storage environment of a circuit board 11 in the limiting mechanisms 5 is improved.
The limiting mechanism 5 comprises a supporting plate 51, a through hole 6 for the screw rod 2 to pass through is arranged at the top corner of the supporting plate 51, two ends of the buffer spring 7 are respectively attached to the bottom of the upper supporting plate 51 and the top of the lower supporting plate 51, and a circle of surrounding edge 52 integrally arranged with the supporting plate 51 is arranged at the top of the supporting plate 51.
As shown in fig. 1 and 2, a circle of rubber lower supporting strips 53 is adhered to the top of the supporting plate 51 inside the surrounding edge 52, a circle of rubber upper supporting strips 54 corresponding to the lower supporting strips 53 is adhered to the bottom of the upper supporting plate 51, the upper supporting strips 54 can be inserted into the surrounding edge 52 below the upper supporting strips, the circuit board 11 with edges between the lower supporting strips 53 and the upper supporting strips 54 is arranged in the surrounding edge 52, the edges of the circuit board 11 are clamped and fixed by the rubber lower supporting strips 53 and the upper supporting strips 54, the surrounding edge 52 can limit the horizontal displacement of the circuit board 11, the circuit board 11 is suspended and fixed in the surrounding edge 52 by the lower supporting strips 53 and the upper supporting strips 54, so that circuits or electronic components at two ends of the circuit board 11 can not be contacted with the corresponding end surfaces of the corresponding supporting plates 51 to cause impact damage, and the limit fixation of the circuit board 11 can be realized without cutting, the material usage of the circuit board 11 is saved.
And the top of the supporting plate 51 in the lower supporting bar 53 is also provided with a lower buffer block 9, wherein the bottom of the supporting plate 51 in the upper supporting bar 54 is also provided with an upper buffer block 10 corresponding to the lower buffer block 9, and the lower buffer block 9 and the upper buffer block 10 are both made of foam-rubber cushions, so that the suspended end of the circuit board 11 clamped and fixed by the lower supporting bar 53 and the upper supporting bar 54 on the surrounding edge 52 can not contact with the corresponding end surface of the supporting plate 51, but can be buffered by contacting with the soft foam-rubber cushion or suspended without contacting with the foam-rubber cushion, thereby preventing the circuit board 11 from being damaged by contacting with the supporting plate 51.
In this embodiment, a sponge protection layer 12 is adhered to the inner side wall of the surrounding edge 52 above the lower supporting strip 53, wherein the upper supporting strip 54 is located in the opening of the protection layer 12, and the protection layer 12 cushions the circuit board 11 to prevent the edge of the circuit board 11 from contacting the inner side wall of the surrounding edge 52 and being damaged.
The working principle of the invention is as follows: the supporting springs 8 are sleeved on the screw rod 2, then the through holes 6 on the supporting plates 51 are sleeved on the screw rod 2 and slide to the supporting springs 8, the circuit board 11 is placed on the tops of the lower supporting bars 53 in the surrounding edge 52, the buffer springs 7 are sleeved on the screw rod 2 above the supporting plates 51, another group of supporting plates 51 are installed on the next step to extrude the buffer springs, at the moment, the upper supporting bars 54 at the bottom of the upper supporting plates 51 slide into the lower surrounding edge 52, the circuit board 11 is suspended and fixed in the surrounding edge 52 through the lower supporting bars 53 and the upper supporting bars 54, so that circuits or electronic components at two ends of the circuit board 11 cannot be contacted with the corresponding end faces of the corresponding supporting plates 51 to be impacted and damaged, at the moment, the suspended parts of the circuit board 11 are contacted with the upper buffer blocks 10 and the lower buffer blocks 9 to prevent the circuit board 11 from being contacted with the supporting plates 51 to be damaged, and finally, the screw rod 2 penetrates through a round hole in the pressing plate 3 and is in threaded connection and locking with the nut 4 (at the moment, an upper supporting strip 54 inserted into the surrounding edge 52 below the pressing plate 3 is bonded at the bottom of the pressing plate 3), so that the pressing plate 3 downwards extrudes the buffer spring 7, the supporting spring 8 and the limiting mechanism 5, and the three are fixed on the screw rod 2. The invention can prevent the circuit board 11 from being damaged by external foreign matters contacting the circuit board 11 when the circuit board 11 is transported in the sealed limiting mechanism 5
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. A protection structure of a circuit board comprises a base and screws arranged at four vertex angles at the top of the base, wherein a pressing plate is further arranged at the top of the base, round holes for the screws to pass through are formed in the pressing plate, nuts are screwed on the screws at the top of the pressing plate, the protection structure is characterized in that limiting mechanisms are arranged between the base and the pressing plate, buffer springs are sleeved on the screws above each limiting mechanism, supporting springs are sleeved on the screws between the lowest limiting mechanism and the base, each limiting mechanism comprises a supporting plate, through holes for the screws to pass through are formed in the vertex angles of the supporting plate, a circle of surrounding edge is arranged at the top of the supporting plate, a circle of lower supporting strip is arranged at the top of the supporting plate inside the surrounding edge, a lower buffer block is further arranged at the top of the supporting plate in the lower supporting strip, and a circle of upper supporting strip corresponding to, the bottom of the supporting plate in the upper supporting bar is also provided with an upper buffer block corresponding to the lower buffer block, the bottom end of the upper supporting bar extends into a surrounding edge on the supporting plate below the upper supporting bar, and a circuit board is arranged in the surrounding edge and positioned between the lower supporting bar and the upper supporting bar along the edge.
2. The protection structure of claim 1, wherein the lower support bar and the upper support bar are made of rubber.
3. The protection structure of claim 1, wherein the lower and upper buffer blocks are made of foam rubber pads.
4. The protection structure of claim 1, wherein a sponge protection layer is adhered to the inner side wall of the surrounding edge above the lower supporting strip, and the upper supporting strip is located in the opening of the protection layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921943974.8U CN211033736U (en) | 2019-11-12 | 2019-11-12 | Protective structure of circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921943974.8U CN211033736U (en) | 2019-11-12 | 2019-11-12 | Protective structure of circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211033736U true CN211033736U (en) | 2020-07-17 |
Family
ID=71541236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921943974.8U Active CN211033736U (en) | 2019-11-12 | 2019-11-12 | Protective structure of circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211033736U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112621695A (en) * | 2020-12-07 | 2021-04-09 | 全南县超亚科技有限公司 | Storage device for combined motor end cover |
-
2019
- 2019-11-12 CN CN201921943974.8U patent/CN211033736U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112621695A (en) * | 2020-12-07 | 2021-04-09 | 全南县超亚科技有限公司 | Storage device for combined motor end cover |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A protective structure for circuit boards Granted publication date: 20200717 Pledgee: Agricultural Bank of China Limited Xinfeng County Branch Pledgor: Jiangxi xinchenghui circuit Co.,Ltd. Registration number: Y2024980007677 |