CN211240273U - PCB capable of reducing warping deformation - Google Patents
PCB capable of reducing warping deformation Download PDFInfo
- Publication number
- CN211240273U CN211240273U CN201922473242.3U CN201922473242U CN211240273U CN 211240273 U CN211240273 U CN 211240273U CN 201922473242 U CN201922473242 U CN 201922473242U CN 211240273 U CN211240273 U CN 211240273U
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- circuit board
- clamping piece
- holder
- screw
- piece
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Abstract
The utility model discloses a can reduce warpage's PCB board, relate to the printed circuit board field, the side of circuit board is equipped with prevents the board piece that sticks up, prevent that the board piece that sticks up includes spacing bolt, support the screw, a resilient buffer section of thick bamboo, go up holder and lower holder, it passes through spacing bolted connection to go up holder middle part and holder middle part down, the cover has a resilient buffer section of thick bamboo on the spacing bolt, it all is equipped with the exposed core with holder down to go up the holder, it all is equipped with and supports the screw with holder down to go up the holder, two support the mutual conflict of screw, it all is equipped with a plurality of bolt through-holes on holder and the lower holder to go up the holder, all establish and support the corresponding screw hole of screw on holder and the lower holder, it includes the nut to support the screw, screw portion and magnetism portion, the magnetism portion of two support screws attracts each other. The four edges of the circuit board are provided with the anti-warping parts, so that the edge of the circuit board can be fixed conveniently, the warping phenomenon of the circuit board when in use is reduced, and the circuit board is protected when the side edges of the circuit board are impacted by external force.
Description
Technical Field
The utility model relates to a printed circuit board field especially relates to a can reduce warpage's PCB board.
Background
After the printed circuit board is subjected to high-temperature and low-temperature environments, the printed circuit board is prone to warping due to the fact that the printed circuit board is different in volume expansion rate in the temperature rising process and volume shrinkage rate in the temperature lowering process. The condition of board edge warpage appears easily when the circuit board is used, influences the normal use of circuit board, also gives people to maintain the circuit board and has brought very big inconvenience to difficult fixed when multilayer circuit board is placed together, when the circuit board side receives external force striking, easy damage.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a can reduce warpage's PCB board to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a can reduce buckling deformation's PCB board, including the circuit board, the side of circuit board all is equipped with prevents the board piece that sticks up, prevent that the board piece that sticks up includes spacing bolt, supports a screw, a resilient cushioning section of thick bamboo, goes up holder and lower holder, it sets up with lower holder relatively to go up the holder, go up the holder middle part and pass through spacing bolted connection with lower holder middle part, the cover is equipped with a resilient cushioning section of thick bamboo on the spacing bolt, go up the holder and all be equipped with the exposed core that is used for contradicting the circuit board down with the holder, the one end that the holder was kept away from to the holder under last holder all is equipped with supports the screw, two support the screw and contradict each other, all be equipped with a plurality of bolt through-holes that supply spacing bolt to run through on holder and the holder down, all establish and support the corresponding screw hole of screw under and on the holder, support the screw and include nut, The screw thread portion and the magnetism portion that sets up in the screw thread portion tip with screw hole threaded connection, two the magnetism portion of screw attracts each other. Spacing bolt restriction goes up the holder and the distance between the holder down, and rotatory two screws that support make the holder keep away from the one end of clamping-end and the one end that the holder kept away from the clamping-end takes place relative displacement down, makes the clamping-end of going up the holder and the clamping-end of holder is close to each other down, goes up the holder and fixes the circuit board flange down with the holder.
The elastic buffer cylinder is of a silica gel cylinder structure with openings at the upper end and the lower end. The elastic buffer cylinder is of a silica gel cylinder structure and protects the edge of the circuit board.
The clamping end sleeve is provided with a rubber protective sleeve. The rubber protective sleeve is used for clamping the circuit board, avoids the clamping end to slide on the upper circuit board surface, and prevents the circuit board from being scratched.
The clamping device is characterized in that mounting cylinders are arranged at the ends, far away from the clamping ends, of the upper clamping piece and the lower clamping piece, the mounting cylinders are of cylinder structures with openings at the upper end and the lower end, and threaded holes are formed in the middle axis of the mounting cylinders. The installation barrel is arranged so as to facilitate installation of the abutting screw and reduce the volume of the upper clamping plate and the lower clamping plate.
The upper clamping piece and the lower clamping piece are both elastic plates. The upper clamping piece and the lower clamping piece have certain elasticity, and the circuit board is fixed through the upper clamping piece and the lower clamping piece with certain elasticity.
And the edge position of the bottom of the clamping end, which is attached to the circuit board, is provided with a rounded arc section. The edge rounding avoids scratching the surface of the circuit board.
One end of the magnetic part is provided with an arc surface. The contact surfaces of the two magnetic parts are arc surfaces, and when the tail parts of the upper clamping plate and the lower clamping plate are away from each other, the magnetic parts of the two abutting screws can be stably contacted.
And one end of the clamping end, which is close to the threaded hole, is provided with a bending section which is bent towards the direction away from the circuit board. Enough installation space is reserved for the installation cylinder and the magnetic part.
The utility model has the advantages that: the four edges of the circuit board are provided with the anti-warping parts, so that the edge of the circuit board can be fixed conveniently, the warping phenomenon of the circuit board when in use is reduced, and the circuit board is protected when the side edges of the circuit board are impacted by external force.
Drawings
The figures further illustrate the invention, but the embodiments in the figures do not constitute any limitation of the invention.
Fig. 1 is a schematic structural diagram according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram according to an embodiment of the present invention.
The circuit board comprises a circuit board 1, an upper clamping piece 2, a lower clamping piece 3, a limiting bolt 4, a propping screw 5, an elastic buffer cylinder 6 and a magnetic part 7.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is 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 intervening elements may also be present. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.
In the present invention, unless otherwise specified, the terms of orientation such as "up, down, left, and right" used generally refer to up, down, left, and right as shown in fig. 1. "inner and outer" refer to the inner and outer portions of a particular contour. "distal and proximal" refer to distal and proximal relative to a component.
Example 1
As shown in FIG. 1, an embodiment of the present invention provides a PCB board capable of reducing warpage, which comprises a circuit board, wherein the side edges of the circuit board are provided with anti-warpage parts, the anti-warpage parts comprise a limiting bolt, a supporting screw, an elastic buffer cylinder, an upper clamping part and a lower clamping part, the upper clamping part and the lower clamping part are arranged oppositely, the middle part of the upper clamping part and the middle part of the lower clamping part are connected through the limiting bolt, the limiting bolt is sleeved with the elastic buffer cylinder, the upper clamping part and the lower clamping part are provided with clamping ends for abutting against the circuit board, one ends of the upper clamping part and the lower clamping part, which are far away from the clamping ends, are provided with the supporting screw, the two supporting screws abut against each other, the upper clamping part and the lower clamping part are provided with a plurality of bolt through holes for the limiting bolt to pass through, the upper clamping part and the lower clamping part are provided with threaded holes corresponding to the supporting screws, the abutting screws comprise screw caps, threaded portions in threaded connection with the threaded holes and magnetic portions arranged at the end portions of the threaded portions, and the magnetic portions of the two abutting screws attract each other. Spacing bolt restriction goes up the holder and the distance between the holder down, and rotatory two screws that support make the holder keep away from the one end of clamping-end and the one end that the holder kept away from the clamping-end takes place relative displacement down, makes the clamping-end of going up the holder and the clamping-end of holder is close to each other down, goes up the holder and fixes the circuit board flange down with the holder.
The elastic buffer cylinder is of a silica gel cylinder structure with openings at the upper end and the lower end. The elastic buffer cylinder is of a silica gel cylinder structure and protects the edge of the circuit board.
The clamping end sleeve is provided with a rubber protective sleeve. The rubber protective sleeve is used for clamping the circuit board, avoids the clamping end to slide on the upper circuit board surface, and prevents the circuit board from being scratched.
The clamping device is characterized in that mounting cylinders are arranged at the ends, far away from the clamping ends, of the upper clamping piece and the lower clamping piece, the mounting cylinders are of cylinder structures with openings at the upper end and the lower end, and threaded holes are formed in the middle axis of the mounting cylinders. The installation barrel is arranged so as to facilitate installation of the abutting screw and reduce the volume of the upper clamping plate and the lower clamping plate.
The upper clamping piece and the lower clamping piece are both elastic plates. The upper clamping piece and the lower clamping piece have certain elasticity, and the circuit board is fixed through the upper clamping piece and the lower clamping piece with certain elasticity.
And the edge position of the bottom of the clamping end, which is attached to the circuit board, is provided with a rounded arc section. The edge rounding avoids scratching the surface of the circuit board.
One end of the magnetic part is provided with an arc surface. The contact surfaces of the two magnetic parts are arc surfaces, and when the tail parts of the upper clamping plate and the lower clamping plate are away from each other, the magnetic parts of the two abutting screws can be stably contacted.
Example 2
As shown in FIG. 2, an embodiment of the present invention provides a PCB board capable of reducing warpage, which comprises a circuit board, wherein the side edges of the circuit board are provided with anti-warpage parts, the anti-warpage parts comprise a limiting bolt, a supporting screw, an elastic buffer cylinder, an upper clamping part and a lower clamping part, the upper clamping part and the lower clamping part are arranged oppositely, the middle part of the upper clamping part and the middle part of the lower clamping part are connected through the limiting bolt, the limiting bolt is sleeved with the elastic buffer cylinder, the upper clamping part and the lower clamping part are provided with clamping ends for abutting against the circuit board, one ends of the upper clamping part and the lower clamping part, which are far away from the clamping ends, are provided with the supporting screw, the two supporting screws abut against each other, the upper clamping part and the lower clamping part are provided with a plurality of bolt through holes for the limiting bolt to pass through, the upper clamping part and the lower clamping part are provided with threaded holes corresponding to the supporting screws, the abutting screws comprise screw caps, threaded portions in threaded connection with the threaded holes and magnetic portions arranged at the end portions of the threaded portions, and the magnetic portions of the two abutting screws attract each other. Spacing bolt restriction goes up the holder and the distance between the holder down, and rotatory two screws that support make the holder keep away from the one end of clamping-end and the one end that the holder kept away from the clamping-end takes place relative displacement down, makes the clamping-end of going up the holder and the clamping-end of holder is close to each other down, goes up the holder and fixes the circuit board flange down with the holder.
The elastic buffer cylinder is of a silica gel cylinder structure with openings at the upper end and the lower end. The elastic buffer cylinder is of a silica gel cylinder structure and protects the edge of the circuit board.
The clamping end sleeve is provided with a rubber protective sleeve. The rubber protective sleeve is used for clamping the circuit board, avoids the clamping end to slide on the upper circuit board surface, and prevents the circuit board from being scratched.
The clamping device is characterized in that mounting cylinders are arranged at the ends, far away from the clamping ends, of the upper clamping piece and the lower clamping piece, the mounting cylinders are of cylinder structures with openings at the upper end and the lower end, and threaded holes are formed in the middle axis of the mounting cylinders. The installation barrel is arranged so as to facilitate installation of the abutting screw and reduce the volume of the upper clamping plate and the lower clamping plate.
The upper clamping piece and the lower clamping piece are both elastic plates. The upper clamping piece and the lower clamping piece have certain elasticity, and the circuit board is fixed through the upper clamping piece and the lower clamping piece with certain elasticity.
And the edge position of the bottom of the clamping end, which is attached to the circuit board, is provided with a rounded arc section. The edge rounding avoids scratching the surface of the circuit board.
One end of the magnetic part is provided with an arc surface. The contact surfaces of the two magnetic parts are arc surfaces, and when the tail parts of the upper clamping plate and the lower clamping plate are away from each other, the magnetic parts of the two abutting screws can be stably contacted.
And one end of the mounting cylinder is provided with an elastic washer corresponding to the threaded hole. And one end of the clamping end, which is close to the threaded hole, is provided with a bending section which is bent towards the direction away from the circuit board. Enough installation space is reserved for the installation cylinder and the magnetic part.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
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 (8)
1. A PCB board capable of reducing warpage is characterized in that: the anti-buckling circuit board comprises a circuit board, wherein the side edges of the circuit board are respectively provided with an anti-buckling piece, the anti-buckling piece comprises a limiting bolt, a propping screw, an elastic buffer cylinder, an upper clamping piece and a lower clamping piece, the upper clamping piece and the lower clamping piece are oppositely arranged, the middle part of the upper clamping piece is connected with the middle part of the lower clamping piece through the limiting bolt, the elastic buffer cylinder is sleeved on the limiting bolt, the upper clamping piece and the lower clamping piece are respectively provided with a clamping end for abutting against the circuit board, the end, far away from the clamping end, of the upper clamping piece and the end, far away from the clamping end, of the lower clamping piece are respectively provided with the propping screw, the two propping screws mutually abut against each other, the upper clamping piece and the lower clamping piece are respectively provided with a plurality of bolt through holes for the limiting bolt to penetrate through, the upper clamping piece and the lower clamping piece are respectively provided with a threaded hole corresponding to the propping screw, the propping, the magnetic parts of the two abutting screws attract each other.
2. The PCB board capable of reducing warpage according to claim 1, wherein: the elastic buffer cylinder is of a silica gel cylinder structure with openings at the upper end and the lower end.
3. The PCB board capable of reducing warpage according to claim 2, wherein: the clamping end sleeve is provided with a rubber protective sleeve.
4. The PCB board capable of reducing warpage according to claim 3, wherein: the clamping device is characterized in that mounting cylinders are arranged at the ends, far away from the clamping ends, of the upper clamping piece and the lower clamping piece, the mounting cylinders are of cylinder structures with openings at the upper end and the lower end, and threaded holes are formed in the middle axis of the mounting cylinders.
5. The PCB board capable of reducing warpage according to claim 4, wherein: the upper clamping piece and the lower clamping piece are both elastic plates.
6. The PCB board capable of reducing warpage according to claim 5, wherein: and the edge position of the bottom of the clamping end, which is attached to the circuit board, is provided with a rounded arc section.
7. The PCB board capable of reducing warpage according to claim 6, wherein: one end of the magnetic part is provided with an arc surface.
8. The PCB board capable of reducing warpage according to claim 7, wherein: and one end of the clamping end, which is close to the threaded hole, is provided with a bending section which is bent towards the direction away from the circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922473242.3U CN211240273U (en) | 2019-12-31 | 2019-12-31 | PCB capable of reducing warping deformation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922473242.3U CN211240273U (en) | 2019-12-31 | 2019-12-31 | PCB capable of reducing warping deformation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211240273U true CN211240273U (en) | 2020-08-11 |
Family
ID=71929939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922473242.3U Active CN211240273U (en) | 2019-12-31 | 2019-12-31 | PCB capable of reducing warping deformation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211240273U (en) |
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2019
- 2019-12-31 CN CN201922473242.3U patent/CN211240273U/en active Active
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