CN213342825U - Dustproof printed circuit board - Google Patents
Dustproof printed circuit board Download PDFInfo
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- CN213342825U CN213342825U CN202022545677.7U CN202022545677U CN213342825U CN 213342825 U CN213342825 U CN 213342825U CN 202022545677 U CN202022545677 U CN 202022545677U CN 213342825 U CN213342825 U CN 213342825U
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- filter screen
- circuit board
- transverse plate
- printed circuit
- plate
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Abstract
The utility model discloses a dustproof printed circuit board, which comprises a circuit board main body, wherein a first filter screen is movably arranged between a first transverse plate and a second transverse plate, a second filter screen is movably arranged between the second transverse plate and a third transverse plate, and the first filter screen and the second filter screen are respectively arranged in a bar-shaped groove through screws and nuts, because the length of the bar-shaped groove is larger than the diameter of the screw, a mounting frame can be drawn outwards on the first filter screen and the second filter screen, the printed circuit board is quickly arranged on a sliding plate, and the range of punching positions on the printed circuit board is widened through the arrangement of the bar-shaped groove of the sliding plate, the structural composition of the second filter screen is the same as that of the first filter screen, the meshes of the second filter screen and the meshes of the first filter screen are oppositely diverged, the meshes are set to be in the size that dust can enter, the dust can fall into the surface of the second filter screen through the arrangement, and does not fall onto the printed circuit board.
Description
Technical Field
The utility model relates to a circuit board technical field specifically is a dustproof printed circuit board.
Background
The printed circuit board is used as the provider of electronic component and electric appliance connection, and has the advantages of greatly reduced unlimited error and assembly error, raised automation level and production labor rate, and may be divided into single-sided board, double-sided board, four-sided board, six-sided board and other multilayer circuit boards.
Current printed circuit board generally all adopts the screw fixed mounting dust screen on printed circuit board, thereby realizes dirt-proof effect through reducing the mesh, but such setting up then can cause the net gape to block up for a long time to make printed circuit board's radiating effect variation, and when printed circuit board was connected with dust keeper, to the required precision of punching more strict, damage the circuit board when preventing the installation, but this kind of mode is with high costs, inefficiency.
To the above problem, improve current device, provided a dustproof printed circuit board.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a dustproof printed circuit board, adopt this device to work, thereby it all adopts the screw fixed mounting dust screen on printed circuit board to have solved among the above-mentioned background printed circuit board, thereby realize dirt-proof effect, but such setting then can cause the net gape to block up for a long time, thereby make printed circuit board's radiating effect variation, and when printed circuit board is connected with dust keeper, to the required precision that punches more strict, damage the circuit board during the prevention of installation, but this kind of mode is with high costs, the problem of inefficiency.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a dustproof printed circuit board, includes the circuit board main part, the circuit board main part includes printed circuit board, mounting bracket, first filter screen, second filter screen, screw and nut, and printed circuit board is respectively through a pair of screw and nut fixed mounting between a pair of mounting bracket, and first filter screen and second filter screen are respectively through a pair of screw and nut fixed mounting between the mounting bracket, and printed circuit board sets up at the bottom, and the second filter screen sets up in printed circuit board's upper end, and first filter screen sets up the upper end at the second filter screen.
Further, the mounting bracket includes the riser, first diaphragm, the second diaphragm, the third diaphragm, fixed traveller and slide, there is first diaphragm, the second diaphragm, third diaphragm and fixed traveller on the side surface of riser respectively fixed mounting, and first diaphragm setting is uppermost, the second diaphragm sets up between first diaphragm and third diaphragm, the third diaphragm sets up between second diaphragm and fixed traveller, fixed traveller sets up at the bottom, and the both sides of a side surface lower extreme of riser respectively fixed mounting have fixed traveller, slide movable mounting is between fixed traveller, first filter screen movable mounting is between first diaphragm and second diaphragm, second filter screen movable mounting is between second diaphragm and third diaphragm.
Further, the both ends of first diaphragm are provided with the bar groove respectively, and the both ends of second diaphragm and third diaphragm also are provided with the bar groove respectively, and the bar groove on first diaphragm, second diaphragm and the third diaphragm is corresponding setting.
Further, the slide includes slide main part, slide rail and slide rectangular groove, and the both ends of slide main part are fixed mounting respectively has the slide rail, and the slide main part passes through slide rail movable mounting between fixed traveller, is provided with slide rectangular groove in the slide main part.
Further, first filter screen includes installation frame, filter screen and mounting hole, and fixed mounting has the filter screen on the inner wall of installation frame, and the both ends of installation frame are provided with a pair of mounting hole respectively.
Furthermore, the structure composition of the second filter screen is the same as that of the first filter screen, and the meshes of the second filter screen and the meshes of the first filter screen are oppositely arranged in a diverging manner.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the utility model provides a pair of dustproof printed circuit board, first filter screen movable mounting is between first diaphragm and second diaphragm, second filter screen movable mounting is between second diaphragm and third diaphragm, and first filter screen and second filter screen are installed in the bar groove through screw and nut respectively, because the length in bar groove is greater than the diameter of screw, thereby make the mounting bracket outwards pull on first filter screen and second filter screen, install printed circuit board swift on the slide, and pass through the setting in slide rectangular groove, make the position range of punching on the printed circuit board widen, the production cost is reduced, and the production efficiency is improved.
2. The utility model provides a pair of dustproof printed circuit board, the structure of second filter screen is constituteed the same with first filter screen, and the mesh of second filter screen is relative switch setting with the mesh of first filter screen, sets the size that the dust can get into to the mesh, and this kind of setting makes the dust that enters into first filter screen can fall into the second filter screen on the surface, and can not fall on printed circuit board, has not only played the effect that prevents the mesh jam, has also promoted dustproof effect simultaneously.
Drawings
Fig. 1 is a schematic view of the overall plane structure of the present invention;
fig. 2 is a schematic perspective view of the mounting frame of the present invention;
fig. 3 is a cross-sectional view of the mounting bracket of the present invention;
fig. 4 is a schematic view of a three-dimensional structure of the first filter screen of the present invention.
In the figure: 1. a circuit board main body; 11. a printed circuit board; 12. a mounting frame; 121. a vertical plate; 122. a first transverse plate; 1221. a strip-shaped groove; 123. a second transverse plate; 124. a third transverse plate; 125. fixing a sliding column; 126. a slide plate; 1261. a skateboard body; 1262. a slide rail; 1263. a slide plate long groove; 13. a first filter screen; 131. a mounting frame; 132. a filter screen; 133. mounting holes; 14. a second filter screen; 15. a screw; 16. and a nut.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 4, a dustproof printed circuit board includes a circuit board body 1, where the circuit board body 1 includes a printed circuit board 11, a mounting frame 12, a first filter 13, a second filter 14, screws 15 and nuts 16, the printed circuit board 11 is fixedly mounted between a pair of mounting frames 12 through a pair of screws 15 and nuts 16, the first filter 13 and the second filter 14 are fixedly mounted between the mounting frames 12 through a pair of screws 15 and nuts 16, the printed circuit board 11 is disposed at a lowermost end, the second filter 14 is disposed at an upper end of the printed circuit board 11, the first filter 13 is disposed at an upper end of the second filter 14, the mounting frame 12 includes a vertical plate 121, a first cross plate 122, a second cross plate 123, a third cross plate 124, a fixed sliding column 125 and a sliding plate 126, and a first cross plate 122, a second cross plate 123, a second cross plate 124, a fixed sliding column 125 and a sliding plate 126, A third cross plate 124 and a fixed sliding column 125, wherein the first cross plate 122 is disposed at the uppermost end, the second cross plate 123 is disposed between the first cross plate 122 and the third cross plate 124, the third cross plate 124 is disposed between the second cross plate 123 and the fixed sliding column 125, the fixed sliding column 125 is disposed at the lowermost end, the fixed sliding column 125 is respectively and fixedly mounted at two sides of the lower end of one side surface of the vertical plate 121, a sliding plate 126 is movably mounted between the fixed sliding columns 125, the first filter screen 13 is movably mounted between the first cross plate 122 and the second cross plate 123, the second filter screen 14 is movably mounted between the second cross plate 123 and the third cross plate 124, two ends of the first cross plate 122 are respectively provided with a strip-shaped groove 1221, two ends of the second cross plate 123 and the third cross plate 124 are respectively provided with a strip-shaped groove 1221, the strip-shaped grooves 1221 on the first cross plate 122, the second cross plate 123 and the third cross plate 124 are correspondingly arranged, the sliding, Slide rail 1262 and the rectangular groove 1263 of slide, the both ends of slide main part 1261 are fixed mounting respectively has slide rail 1262, and slide main part 1261 passes through slide rail 1262 movable mounting between fixed traveller 125, be provided with the rectangular groove 1263 of slide on the slide main part 1261, first filter screen 13 includes installation frame 131, filter screen 132 and mounting hole 133, fixed mounting has filter screen 132 on the inner wall of installation frame 131, the both ends of installation frame 131 are provided with a pair of mounting hole 133 respectively, the structure of second filter screen 14 is constituteed the same with first filter screen 13, and the mesh of second filter screen 14 is the relative setting of breaking aside with the mesh of first filter screen 13.
The first filter screen 13 is movably arranged between the first cross plate 122 and the second cross plate 123, the second filter screen 14 is movably arranged between the second cross plate 123 and the third cross plate 124, the first filter screen 13 and the second filter screen 14 are respectively arranged in the strip-shaped groove 1221 through the screw 15 and the nut 16, because the length of the strip-shaped groove 1221 is larger than the diameter of the screw 15, the mounting frame 12 can be pulled outwards on the first filter screen 13 and the second filter screen 14, the printed circuit board 11 is quickly arranged on the sliding plate 126, and through the arrangement of the sliding plate strip groove 1263, the range of punching positions on the printed circuit board 11 is widened, the production cost is reduced, the production efficiency is improved, the structural composition of the second filter screen 14 is the same as that of the first filter screen 13, and the meshes of the second filter screen 14 and the meshes of the first filter screen 13 are oppositely arranged, the meshes are arranged into sizes which dust can enter, this arrangement allows dust entering first filter 13 to fall onto the surface of second filter 14 and not onto printed circuit board 11, not only preventing clogging of the mesh, but also improving the dust-proof effect.
In summary, the following steps: the utility model provides a dustproof printed circuit board, first filter screen 13 movable mounting is between first diaphragm 122 and second diaphragm 123, second filter screen 14 movable mounting is between second diaphragm 123 and third diaphragm 124, and first filter screen 13 and second filter screen 14 install in bar groove 1221 through screw 15 and nut 16 respectively, because the length of bar groove 1221 is greater than the diameter of screw 15, thereby make mounting bracket 12 can carry out outside pull on first filter screen 13 and second filter screen 14, install printed circuit board 11 on slide 126 swift, and through the setting of slide rectangular groove 1263, make the position scope of punching on printed circuit board 11 widen, production cost is reduced, production efficiency is improved, the structural composition of second filter screen 14 is the same with first filter screen 13, and the mesh of second filter screen 14 is the relative open setting with the mesh of first filter screen 13, set the mesh to the size that the dust can get into, this kind of setting makes the dust that enters into first filter screen 13 fall into second filter screen 14 on the surface, and can not fall on printed circuit board 11, has not only played the effect that prevents the mesh jam, has also promoted dustproof effect simultaneously.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a dustproof printed circuit board, includes circuit board main part (1), its characterized in that: circuit board main part (1) includes printed circuit board (11), mounting bracket (12), first filter screen (13), second filter screen (14), screw (15) and nut (16), printed circuit board (11) are respectively through a pair of screw (15) and nut (16) fixed mounting between a pair of mounting bracket (12), first filter screen (13) and second filter screen (14) are respectively through a pair of screw (15) and nut (16) fixed mounting between mounting bracket (12), and printed circuit board (11) set up at the lower extreme, second filter screen (14) set up the upper end at printed circuit board (11), first filter screen (13) set up the upper end at second filter screen (14).
2. The dustproof printed circuit board according to claim 1, wherein: the mounting frame (12) comprises a vertical plate (121), a first transverse plate (122), a second transverse plate (123), a third transverse plate (124), a fixed sliding column (125) and a sliding plate (126), wherein the surface of one side of the vertical plate (121) is respectively and fixedly provided with the first transverse plate (122), the second transverse plate (123), the third transverse plate (124) and the fixed sliding column (125), the first transverse plate (122) is arranged at the uppermost end, the second transverse plate (123) is arranged between the first transverse plate (122) and the third transverse plate (124), the third transverse plate (124) is arranged between the second transverse plate (123) and the fixed sliding column (125), the fixed sliding column (125) is arranged at the lowermost end, the two sides of the lower end of the surface of one side of the vertical plate (121) are respectively and fixedly provided with the fixed sliding column (125), the sliding plate (126) is movably arranged between the fixed sliding columns (125), the first filter screen (13) is movably arranged between the first transverse plate (122) and the second transverse plate (123), the second filter screen (14) is movably arranged between the second transverse plate (123) and the third transverse plate (124).
3. The dustproof printed circuit board according to claim 2, wherein: the two ends of the first transverse plate (122) are respectively provided with a strip-shaped groove (1221), the two ends of the second transverse plate (123) and the third transverse plate (124) are respectively provided with a strip-shaped groove (1221), and the strip-shaped grooves (1221) on the first transverse plate (122), the second transverse plate (123) and the third transverse plate (124) are correspondingly arranged.
4. The dustproof printed circuit board according to claim 2, wherein: the sliding plate (126) comprises a sliding plate main body (1261), a sliding rail (1262) and a sliding plate long groove (1263), the two ends of the sliding plate main body (1261) are respectively and fixedly provided with the sliding rail (1262), the sliding plate main body (1261) is movably arranged between the fixed sliding columns (125) through the sliding rail (1262), and the sliding plate main body (1261) is provided with the sliding plate long groove (1263).
5. The dustproof printed circuit board according to claim 1, wherein: first filter screen (13) are including installation frame (131), filter screen (132) and mounting hole (133), and fixed mounting has filter screen (132) on the inner wall of installation frame (131), and the both ends of installation frame (131) are provided with a pair of mounting hole (133) respectively.
6. The dustproof printed circuit board according to claim 1, wherein: the structure composition of the second filter screen (14) is the same as that of the first filter screen (13), and the meshes of the second filter screen (14) and the meshes of the first filter screen (13) are oppositely arranged in a diverging manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022545677.7U CN213342825U (en) | 2020-11-06 | 2020-11-06 | Dustproof printed circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022545677.7U CN213342825U (en) | 2020-11-06 | 2020-11-06 | Dustproof printed circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213342825U true CN213342825U (en) | 2021-06-01 |
Family
ID=76076836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022545677.7U Active CN213342825U (en) | 2020-11-06 | 2020-11-06 | Dustproof printed circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213342825U (en) |
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2020
- 2020-11-06 CN CN202022545677.7U patent/CN213342825U/en active Active
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