CN216491626U - Multilayer printed circuit board with edge protection structure - Google Patents
Multilayer printed circuit board with edge protection structure Download PDFInfo
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- CN216491626U CN216491626U CN202122791101.3U CN202122791101U CN216491626U CN 216491626 U CN216491626 U CN 216491626U CN 202122791101 U CN202122791101 U CN 202122791101U CN 216491626 U CN216491626 U CN 216491626U
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Abstract
The utility model discloses a multilayer printed circuit board with an edge protection structure, which is provided with a multilayer circuit board body, wherein a protection side plate is sleeved on the side surface of the circuit board body; the method comprises the following steps: the adjusting shaft is movably arranged on the inner side of the protective side plate, movable plates are movably sleeved at two ends of the adjusting shaft, and one end of a fixed rod is fixed at the edge of each movable plate; the movable groove is formed in the protective side plate on the outer side of the fixed rod, and a valve block is fixed to the other end of the fixed rod; the cam is fixedly sleeved in the middle of the adjusting shaft, a fixed box is fixed on the protective side plate on the outer side of the cam, and a valve plate is movably arranged in the fixed box. This be provided with edge protection structure's multilayer printed wiring board can realize the connection between the polylith circuit board through simple operation to can guarantee the stability between the adjacent circuit board, promote the shock-absorbing capacity of circuit board, the phenomenon that appears damaging the deformation after preventing to receive external application of force.
Description
Technical Field
The utility model relates to the technical field of circuit boards, in particular to a multilayer printed circuit board with an edge protection structure.
Background
The circuit board is a circuit board mainly used for electronic products, while the multilayer printed circuit board is one of a plurality of circuit boards, and the multilayer printed circuit board can realize the connection of multiple lines by arranging multiple layers, and is more stable and has stronger heat dissipation performance compared with the traditional single-sided circuit board, however, the existing circuit board still has the following defects in the actual use process:
1. most of the traditional circuit boards are installed in a bolt connection mode, the connection mode among the multilayer circuit boards is single, and the adjacent circuit boards need to be connected independently, so the operation steps are complicated;
2. because the multilayer circuit board is provided with three or more, after the circuit board is installed, the cushioning performance is poor, and the circuit board is easy to damage and deform after being applied with force from the outside.
Aiming at the problems, innovative design is urgently needed on the basis of the original circuit board.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a multilayer printed circuit board with an edge protection structure, which aims to solve the problems that most of the traditional circuit boards are installed in a bolt connection mode, the connection mode among the multilayer circuit boards is single, and the shock absorption performance of the circuit boards is poor after the circuit boards are installed in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: a multilayer printed circuit board with an edge protection structure is provided with a multilayer circuit board body, wherein a protection side plate is sleeved on the side surface of the circuit board body;
the method comprises the following steps:
the adjusting shaft is movably arranged on the inner side of the protective side plate, movable plates are movably sleeved at two ends of the adjusting shaft, and one end of a fixed rod is fixed at the edge of each movable plate;
the movable groove is formed in the protective side plate on the outer side of the fixed rod, and a valve block is fixed to the other end of the fixed rod;
the cam is fixedly sleeved in the middle of the adjusting shaft, a fixed box is fixed on the protective side plate on the outer side of the cam, and a valve plate is movably arranged in the fixed box.
Preferably, the air bag is pasted to the inner side of the protection side plate close to the circuit board body, the bottom of the adjusting shaft is fixedly connected with a supporting block, 2 sections of thread grooves with opposite directions are symmetrically arranged on the adjusting shaft, the adjusting shaft is in threaded connection with the movable plate, so that the side face of the circuit board is protected through the protection side plate, and the protection side plate and the movable plate can limit the circuit board.
Preferably, the surface of fly leaf is pasted and is had the slipmat, and the regulating spindle is the bearing with protection curb plate and fixed box and is connected to the fly leaf passes through the movable groove and constitutes sliding construction with the protection curb plate, can drive 2 fly leaves relative motion through rotating the regulating spindle.
Preferably, a fixed cavity is reserved on the protective side plate outside the valve block, the bottom of the fixed cavity is connected with the connecting cavity, the fixed cavity is communicated with the air bag through the connecting cavity, and when the valve block moves downwards, air in the fixed cavity can be pushed into the connecting cavity and then enters the air bag.
Preferably, the edge of valve plate and the inner wall of fixed box closely laminate, and the side of valve plate passes through reset spring and the inner wall interconnect of fixed box to the interval of valve plate and regulating spindle is less than the interval of regulating spindle and protection curb plate, can drive the valve plate synchronous motion through the cam when the regulating spindle rotates like this.
Preferably, the fixed box is provided with the stopper in the embedding of one side that is close to the circuit board body, and the stopper is the rubber material to fixed box and protection curb plate all can drive the stopper after the valve plate motion and swell about the vertical axis symmetric distribution of circuit board body, play the spacing to middle circuit board.
Compared with the prior art, the utility model has the beneficial effects that: according to the multilayer printed circuit board with the edge protection structure, the connection among a plurality of circuit boards can be realized through simple operation, the stability among adjacent circuit boards can be ensured, the buffer performance of the circuit boards is improved, and the phenomenon of damage and deformation after external force application is prevented;
1. the adjusting shaft is rotated to drive the 2 movable plates to move relatively, so that the circuit board arranged up and down is limited, and the valve block can be driven to move by the fixed rod when the movable plates move, so that air in the fixed cavity can be pushed into the air bag through the connecting cavity, the circuit board is stably limited, and the circuit board has certain anti-seismic performance;
2. the regulating shaft can drive the cam to rotate while rotating, and then the valve plate is pushed to move in the fixed box, so that the limiting block can be pushed to bulge, the limiting of the middle circuit board is realized, and the stability between the adjacent circuit boards can be ensured.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic front sectional view of the fixing box according to the present invention;
FIG. 3 is a schematic view of the movable plate of the present invention after moving;
FIG. 4 is a schematic diagram of the valve plate of the present invention after movement;
FIG. 5 is a schematic front sectional view of the protective side panel of the present invention;
FIG. 6 is a schematic cross-sectional view taken at A in FIG. 5 according to the present invention.
In the figure: 1. a circuit board body; 2. a protective side plate; 21. an air bag; 3. an adjustment shaft; 31. a support block; 4. a movable plate; 41. a non-slip mat; 5. fixing the rod; 6. a movable groove; 7. a valve block; 8. a fixed cavity; 9. a connecting cavity; 10. a cam; 11. a fixing box; 12. a valve plate; 13. a return spring; 14. and a limiting block.
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.
Referring to fig. 1-6, the present invention provides a technical solution: a multilayer printed circuit board with an edge protection structure is provided with a multilayer circuit board body 1, wherein a protection side plate 2 is sleeved on the side surface of the circuit board body 1;
the method comprises the following steps:
the adjusting shaft 3 is movably arranged on the inner side of the protective side plate 2, the two ends of the adjusting shaft 3 are movably sleeved with movable plates 4, and one end of a fixed rod 5 is fixed at the edge of each movable plate 4;
the movable groove 6 is formed in the protective side plate 2 on the outer side of the fixed rod 5, and a valve block 7 is fixed to the other end of the fixed rod 5;
the cam 10 is fixedly sleeved at the middle position of the adjusting shaft 3, a fixed box 11 is fixed on the protective side plate 2 on the outer side of the cam 10, and a valve plate 12 is movably arranged in the fixed box 11.
An air bag 21 is adhered to the inner side of the protective side plate 2 close to the circuit board body 1, a supporting block 31 is fixedly connected to the bottom of the adjusting shaft 3, 2 sections of thread grooves with opposite directions are symmetrically arranged on the adjusting shaft 3, and the adjusting shaft 3 is in threaded connection with the movable plate 4; the surface of the movable plate 4 is adhered with an anti-skid pad 41, the adjusting shaft 3 is connected with the protective side plate 2 and the fixed box 11 through bearings, and the movable plate 4 and the protective side plate 2 form a sliding structure through the movable groove 6; the surface of the movable plate 4 is adhered with an anti-skid pad 41, the adjusting shaft 3 is connected with the protective side plate 2 and the fixed box 11 through bearings, and the movable plate 4 and the protective side plate 2 form a sliding structure through the movable groove 6;
as shown in fig. 1, 3 and 5-6, the rotation adjusting shaft 3 drives 2 movable plates 4 to move relatively and approach to two ends of the protection side plate 2, so as to clamp the circuit board bodies 1 at the upper and lower ends, and the edge of the circuit board body 1 can be protected by the arrangement of the anti-slip pad 41 and the air bag 21, when the movable plate 4 moves, the movable plate can slide in the movable groove 6, and the fixing rod 5 drives the valve block 7 to slide in the fixing cavity 8, so that the air in the fixing cavity 8 can be pushed into the air bag 21 through the connecting cavity 9, the air bag 21 is in a bulging state, and the anti-seismic performance of the circuit board body 1 is improved;
the edge of the valve plate 12 is tightly attached to the inner wall of the fixed box 11, the side surface of the valve plate 12 is connected with the inner wall of the fixed box 11 through a return spring 13, and the distance between the valve plate 12 and the adjusting shaft 3 is smaller than the distance between the adjusting shaft 3 and the protective side plate 2; a limiting block 14 is embedded into one side of the fixed box 11 close to the circuit board body 1, the limiting block 14 is made of rubber, and the fixed box 11 and the protective side plate 2 are symmetrically distributed about the vertical axis of the circuit board body 1;
as shown in fig. 1-2 and fig. 4, the adjusting shaft 3 can drive the cam 10 to synchronously rotate while rotating, so as to further push the valve plate 12 to move in the fixing box 11, and the limiting block 14 can be driven to be in a bulging state by the movement of the valve plate 12, so that the limiting of the circuit board body 1 at the middle position is realized, the stability of the limiting of the circuit board body 1 can be ensured, the shock resistance of the circuit board body can be ensured, the synchronous limiting of a plurality of circuit board bodies 1 can be realized by rotating the adjusting shaft 3, and the convenience of operation is increased.
The working principle is as follows: as shown in fig. 1-6, at first place circuit board body 1 in protection curb plate 2 inboard, circuit board body 1 at upper and lower both ends is put between protection curb plate 2 and fly leaf 4, then rotate regulating spindle 3 and drive the motion of fly leaf 4, realize the spacing to upper and lower both ends circuit board body 1, synchronous drive valve plate 12 motion through cam 10, can realize spacing to middle circuit board body 1, can enough guarantee the stability between the adjacent circuit board body 1, convenient heat dissipation lets circuit board body 1 have certain shock-absorbing capacity again, and protection curb plate 2 can protect the edge of circuit board body 1, make things convenient for the overall installation of multilayer circuit board.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.
Claims (6)
1. A multilayer printed circuit board with an edge protection structure is provided with a multilayer circuit board body, wherein a protection side plate is sleeved on the side surface of the circuit board body;
it is characterized by comprising:
the adjusting shaft is movably arranged on the inner side of the protective side plate, movable plates are movably sleeved at two ends of the adjusting shaft, and one end of a fixed rod is fixed at the edge of each movable plate;
the movable groove is formed in the protective side plate on the outer side of the fixed rod, and a valve block is fixed to the other end of the fixed rod;
the cam is fixedly sleeved in the middle of the adjusting shaft, a fixed box is fixed on the protective side plate on the outer side of the cam, and a valve plate is movably arranged in the fixed box.
2. A multilayer printed wiring board provided with an edge guard structure as claimed in claim 1, wherein: the inboard that the protection curb plate is close to the circuit board body is pasted and is had the gasbag, the bottom fixedly connected with supporting shoe of regulating spindle, and the epaxial symmetry of regulating is provided with 2 sections opposite direction's thread groove to regulating spindle and fly leaf are threaded connection.
3. A multilayer printed wiring board provided with an edge guard structure as claimed in claim 1, wherein: the surface of fly leaf is pasted and is had the slipmat, and the regulating spindle is connected with protection curb plate and fixed box for the bearing to the fly leaf passes through the movable groove and constitutes sliding construction with the protection curb plate.
4. A multilayer printed wiring board provided with an edge guard structure as claimed in claim 2, wherein: a fixed cavity is reserved on the protective side plate on the outer side of the valve block, the bottom of the fixed cavity is connected with a connecting cavity, and the fixed cavity is communicated with the air bag through the connecting cavity.
5. A multilayer printed wiring board provided with an edge guard structure as claimed in claim 1, wherein: the edge of valve plate and the inner wall of fixed box closely laminate, and the side of valve plate passes through reset spring and the inner wall interconnect of fixed box to the interval of valve plate and regulating spindle is less than the interval of regulating spindle and protection curb plate.
6. A multilayer printed wiring board provided with an edge guard structure as claimed in claim 1, wherein: one side of the fixed box close to the circuit board body is embedded with a limiting block, the limiting block is made of rubber, and the fixed box and the protection side plates are symmetrically distributed about the vertical axis of the circuit board body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122791101.3U CN216491626U (en) | 2021-11-15 | 2021-11-15 | Multilayer printed circuit board with edge protection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122791101.3U CN216491626U (en) | 2021-11-15 | 2021-11-15 | Multilayer printed circuit board with edge protection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216491626U true CN216491626U (en) | 2022-05-10 |
Family
ID=81397459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122791101.3U Active CN216491626U (en) | 2021-11-15 | 2021-11-15 | Multilayer printed circuit board with edge protection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216491626U (en) |
-
2021
- 2021-11-15 CN CN202122791101.3U patent/CN216491626U/en active Active
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