CN113923908A - Flexible circuit board of external dustproof mechanism - Google Patents
Flexible circuit board of external dustproof mechanism Download PDFInfo
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- CN113923908A CN113923908A CN202111157055.XA CN202111157055A CN113923908A CN 113923908 A CN113923908 A CN 113923908A CN 202111157055 A CN202111157055 A CN 202111157055A CN 113923908 A CN113923908 A CN 113923908A
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- dustproof
- circuit board
- flexible circuit
- frame
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
- H05K7/20172—Fan mounting or fan specifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention discloses a flexible circuit board with an external dustproof mechanism, which comprises a flexible circuit board body, wherein the dustproof mechanism is arranged outside the flexible circuit board body and comprises an upper dustproof frame, a first dustproof net, a lower dustproof frame, a second dustproof net, a protruding block and a fixed block, and the front side wall and the rear side wall of the upper dustproof frame are respectively provided with a connecting mechanism. The invention relates to a flexible circuit board with an external dustproof mechanism, which belongs to the field of flexible circuit boards.
Description
Technical Field
The invention relates to the field of flexible circuit boards, in particular to a flexible circuit board with an external dustproof mechanism.
Background
Flexible circuit boards, also known as "flexible boards," are printed circuits made from flexible, insulating substrates. Flexible circuits provide excellent electrical performance, meet design requirements for smaller and higher density packaging, and also help reduce assembly processes and enhance reliability. The flexible circuit board is the only solution to meet the miniaturization and movement requirements of electronic products. The flexible printed circuit board can be freely bent, wound and folded, can bear millions of dynamic bending without damaging the lead, can be randomly arranged according to the space layout requirement, and can be freely moved and stretched in a three-dimensional space, so that the integration of component assembly and lead connection is realized; the flexible circuit board can greatly reduce the volume and the weight of the electronic product, and is suitable for the development of the electronic product towards high density, miniaturization and high reliability. Flexible printed circuit boards, commonly known in the industry as FPCs, are printed circuit boards made of flexible dielectric substrates (mainly polyimide or polyester films) that have many advantages not found in rigid printed circuit boards. The FPC can be used for greatly reducing the volume of electronic products, and is suitable for the development of the electronic products in the directions of high density, miniaturization and high reliability. After the flexible line way board is installed, because of lacking necessary dustproof measure, make the flexible line way board adsorb the dust in the air easily and lead to the dust to form on the surface of flexible line way board and pile up, can cause the influence to the normal use of flexible line way board, and the heat that the flexible line way board can produce in the middle of the in-process when using makes the air around the heating, and current flexible line way board singly can only dispel the heat through the louvre, the radiating effect is not good, still make the dust adhere to on the flexible line way board easily, and can influence the work efficiency of flexible line way board under the too high condition of heat, serious can lead to the flexible line way board to burn out, and, because of lacking safeguard measure, lead to the flexible line way board can external factor and lead to the situation that the damage appears.
Disclosure of Invention
The invention mainly aims to provide a flexible circuit board with an external dustproof mechanism, which can effectively solve the problems in the background technology.
In order to achieve the purpose, the invention adopts the technical scheme that:
the utility model provides an external dustproof mechanism's flexible line way board, includes the flexible line way board body, the outside of flexible line way board body is equipped with dustproof mechanism, dustproof mechanism includes dustproof frame, first dust screen, dustproof frame, second dust screen, protruding piece and fixed block down, be equipped with coupling mechanism on going up the front and back both sides lateral wall of dustproof frame respectively, coupling mechanism includes connecting plate, fender ring, compression spring and fixture block, dustproof mechanism's outside is equipped with protection mechanism, protection mechanism includes protecting crust, lower protecting crust, reference column and first screw hole, the top surface of going up the protecting crust is equipped with heat dissipation mechanism, heat dissipation mechanism includes bolt, mounting panel, blocks net, radiator fan and connecting rod.
Preferably, a first dustproof net is fixedly installed in the frame wall of the upper dustproof frame, a group of symmetrical protruding blocks are respectively and fixedly installed on the side walls of the left side and the right side of the upper dustproof frame, and dust is prevented from being attached to the upper surface of the flexible circuit board body through the first dustproof net installed on the upper dustproof frame.
Preferably, fixed mounting has the second dust screen in the frame wall of dustproof frame down, also respectively fixed mounting has the protruding piece of a set of symmetry on the left and right sides lateral wall of dustproof frame down, fixed mounting has the fixed block of a set of symmetry respectively on the both sides lateral wall around dustproof frame down, and the symmetry seted up the draw-in groove on the opposite face of fixed block respectively, the flexible line way board body is located dustproof frame and down between the dustproof frame, avoids the dust to adhere to on the lower surface of flexible line way board body through the second dust screen of installing on the dustproof frame down.
Preferably, the front side wall and the rear side wall of the upper dustproof frame are respectively and fixedly provided with a connecting plate, the left side wall and the right side wall of the connecting plate are respectively provided with a spring groove, a retaining ring is fixedly arranged in a notch of the spring groove, and the retaining ring arranged in the spring groove arranged on the connecting plate is used for preventing the compression spring from popping out of the spring groove.
Preferably, two compression spring's one end fixed mounting respectively is on keeping off the tank bottom of ring, just compression spring's other end fixed mounting has the fixture block, the fixture block passes and keeps off the ring and is located the draw-in groove, will make indentation and extension motion in keeping off the ring through compression spring, drives the fixture block and makes the operation of retraction and preceding top and will go up dustproof frame and dustproof frame link together down to make flexible line board this body clamp at last dustproof frame under and between the dustproof frame, let dustproof mechanism realize dirt-proof effect to the flexible line board body.
Preferably, the top surface central part of going up the protecting crust has seted up the heat dissipation opening, just the locating hole has been seted up respectively to four corner end positions of the top surface of going up the protecting crust, set up the recess that corresponds each other with the protruding piece on the bottom surface left and right sides lateral wall of going up the protecting crust respectively, come to protect the flexible line way board body to the protecting crust under the cooperation through last protecting crust, and the heat dissipation opening of seting up on the last protecting crust passes through from the top for the convenience of heat.
Preferably, a plurality of radiating grooves are seted up with the mode of permutation to the bottom surface of protective housing down, also set up the recess that corresponds each other with protruding piece on the top surface left and right sides lateral wall of protective housing down respectively, four corner end positions of bottom surface are fixed mounting respectively in the shell of protective housing down has the reference column, just first screw hole has been seted up to the top surface of reference column, the reference column alternates to be installed in the locating hole, alternates to the locating hole back in through the reference column on the protective housing down, and protective housing and last protective housing merge together and protect the flexible line way board body down, avoid the flexible line way board body to appear damaging because of external factor.
Preferably, the center part of the top surface of the mounting plate is provided with a mounting groove corresponding to the heat dissipation through hole, the top end part of the notch of the mounting groove is fixedly provided with a blocking net, the four corner end parts of the top surface of the mounting plate are respectively provided with a second threaded hole corresponding to the positioning hole, the outer wall of the heat dissipation fan is fixedly provided with three connecting rods in an equal division manner, the other end of each connecting rod is fixedly arranged on the groove wall of the mounting groove, the heat dissipation fan is positioned below the blocking net, the bolt is screwed in and arranged in the second threaded hole and penetrates through the second threaded hole to be in threaded connection with the first threaded hole, the air below the bolt is driven to flow upwards through the operation of the heat dissipation fan, and the heat dissipation effect on the flexible circuit board body is improved and the heat dissipation speed of the flexible circuit board body is accelerated by utilizing the principle of air flow, so as to ensure the normal use of the flexible circuit board body.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, the flexible circuit board body is clamped between the upper dustproof frame and the lower dustproof frame through the mutual matching use of the arranged dustproof mechanism and the dustproof mechanism, dust is blocked through the first dustproof net and the second dustproof net so as to avoid the dust from being attached and accumulated on the upper surface and the lower surface of the flexible circuit board body, the arranged protection mechanism is used for protecting the flexible circuit board body between the upper protective shell and the lower protective shell and avoiding the problem that the flexible circuit board body is damaged due to external factors, and the arranged heat dissipation mechanism is used for improving the heat dissipation effect of the flexible circuit board body and ensuring the normal use of the flexible circuit board body.
Drawings
FIG. 1 is a schematic plan view of the overall structure of the present invention;
FIG. 2 is a schematic diagram of the present invention with the overall structure broken away;
FIG. 3 is a schematic view of the overall structure of the dustproof mechanism of the present invention;
FIG. 4 is a sectional and exploded view of the connecting mechanism of the present invention;
FIG. 5 is a schematic mechanical disassembly view of the protection mechanism of the present invention;
FIG. 6 is a schematic top view of the overall structure of the heat dissipation mechanism of the present invention;
fig. 7 is a bottom view of the overall structure of the heat dissipation mechanism of the present invention.
In the figure: 1. a protection mechanism; 2. a heat dissipation mechanism; 3. a flexible circuit board body; 4. a dust-proof mechanism; 5. a bolt; 6. an upper dustproof frame; 7. a first dust screen; 8. a connecting mechanism; 9. a lower dust-proof frame; 10. a second dust screen; 11. a raised block; 12. a fixed block; 13. a card slot; 14. a connecting plate; 15. a spring slot; 16. a baffle ring; 17. a compression spring; 18. a clamping block; 19. an upper protective shell; 20. a heat dissipation port; 21. positioning holes; 22. a lower protective shell; 23. a heat sink; 24. a groove; 25. a positioning column; 26. a first threaded hole; 27. mounting a plate; 28. mounting grooves; 29. a barrier net; 30. a second threaded hole; 31. a heat radiation fan; 32. a connecting rod.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 7, a flexible printed circuit board with an external dustproof mechanism includes a flexible printed circuit board body 3, a dustproof mechanism 4 is disposed outside the flexible printed circuit board body 3, the dustproof mechanism 4 includes an upper dustproof frame 6, a first dustproof net 7, a lower dustproof frame 9, a second dustproof net 10, a protruding block 11 and a fixed block 12, connection mechanisms 8 are respectively disposed on front and rear side walls of the upper dustproof frame 6, each connection mechanism 8 includes a connection plate 14, a retaining ring 16, a compression spring 17 and a fixture block 18, a protection mechanism 1 is disposed outside the dustproof mechanism 4, the protection mechanism 1 includes an upper protective shell 19, a lower protective shell 22, a positioning column 25 and a first threaded hole 26, a heat dissipation mechanism 2 is disposed on a top surface of the upper protective shell 19, and the heat dissipation mechanism 2 includes a bolt 5, a mounting plate 27, a retaining net 29, a heat dissipation fan 31 and a connection rod 32.
The first embodiment is as follows:
as shown in fig. 3, in this embodiment, in order to prevent dust in the air from adhering and accumulating on the upper surface and the lower surface of the flexible circuit board body 3, a first dust-proof net 7 is fixedly installed in the frame wall of the upper dust-proof frame 6, a set of symmetrical protruding blocks 11 is respectively fixedly installed on the left and right side walls of the upper dust-proof frame 6, a second dust-proof net 10 is fixedly installed in the frame wall of the lower dust-proof frame 9, a set of symmetrical protruding blocks 11 is also fixedly installed on the left and right side walls of the lower dust-proof frame 9, a set of symmetrical fixed blocks 12 is respectively fixedly installed on the front and rear side walls of the lower dust-proof frame 9, and the opposite surfaces of the symmetrical fixed blocks 12 are respectively provided with a slot 13, the flexible circuit board body 3 is located between the upper dust-proof frame 6 and the lower dust-proof frame 9, when in use, the flexible circuit board body 3 is firstly lifted and laid on the top surface of the lower dust-proof frame 9, then merge last dustproof frame 6 on the top surface of dustproof frame 9 down, let flexible line way board body 3 be located between last dustproof frame 6 and the dustproof frame 9 down, when the dust in the air attaches to flexible line way board body 3, first dust screen 7 and the second dust screen 10 of installing respectively in last dustproof frame 6 and the dustproof frame 9 down can adsorb the dust in the air and hinder to this prevents that the dust from attaching to pile up on the upper and lower surface of flexible line way board body 3.
Example two:
as shown in fig. 4, in this embodiment, in order to connect the upper dustproof frame 6 and the lower dustproof frame 9 together and clamp the flexible circuit board body 3 between the upper dustproof frame 6 and the lower dustproof frame 9, the front and rear side walls of the upper dustproof frame 6 are respectively and fixedly provided with the connecting plate 14, the left and right side walls of the connecting plate 14 are respectively provided with the spring slot 15, the notch of the spring slot 15 is internally and fixedly provided with the retaining ring 16, one end of each of the two compression springs 17 is respectively and fixedly arranged on the slot bottom of the retaining ring 16, the other end of each of the compression springs 17 is fixedly provided with the fixture block 18, the fixture block 18 passes through the retaining ring 16 and is positioned in the clamping slot 13, when the upper dustproof frame 6 and the lower dustproof frame 9 are combined, the fixture blocks 18 protruding from the left and right side walls of the connecting plate 14 arranged on the front and rear side walls of the upper dustproof frame 6 are abutted by the fixing blocks 12 arranged on the front and rear side walls of the lower dustproof frame 9, at this time, the compression springs 17 installed in the spring grooves 15 formed in the side walls of the two sides of the connecting plate 14 retract and drive the fixture blocks 18 at the front ends to retract, and the head portions of the fixture blocks 18 abut against the inner side walls of the fixing blocks 12, so that the lower dustproof frame 9 is continuously combined with the upper dustproof frame 6 until the upper dustproof frame 6 and the lower dustproof frame 9 are combined together, at this time, the fixture blocks 18 do not abut against the inner side walls of the fixing blocks 12 any more, the compression springs 17 perform a recovery operation in the spring grooves 15, abut against the fixture blocks 18 toward the front ends, and the head portions of the fixture blocks 18 are clamped into the clamping grooves 13 formed in the fixing blocks 12, so that the upper dustproof frame 6 and the lower dustproof frame 9 are combined together, and the flexible circuit board body 3 is clamped between the upper dustproof frame 6 and the lower dustproof frame 9.
Example three:
as shown in fig. 5, in this embodiment, in order to protect the flexible circuit board body 3 and prevent the flexible circuit board body 3 from being damaged by external factors, the central portion of the top surface of the upper protective casing 19 is provided with a heat dissipation opening 20, four corner portions of the top surface of the upper protective casing 19 are respectively provided with positioning holes 21, the left and right side walls of the bottom surface of the upper protective casing 19 are respectively provided with grooves 24 corresponding to the protrusions 11, the bottom surface of the lower protective casing 22 is provided with a plurality of heat dissipation grooves 23 in an aligned manner, the left and right side walls of the top surface of the lower protective casing 22 are also respectively provided with grooves 24 corresponding to the protrusions 11, four corner portions of the bottom surface in the lower protective casing 22 are respectively and fixedly provided with positioning posts 25, the top surface of each positioning post 25 is provided with a first threaded hole 26, the positioning posts 25 are inserted and installed in the positioning holes 21, when in use, install dustproof mechanism 4 in protecting shell 22 down, in the in-process of installation, the protruding piece 11 of installing on the left and right sides lateral wall of dustproof frame 9 down blocks in the recess 24 of seting up on the left and right sides lateral wall of protecting shell 22 down, then on installing upper protecting shell 19 on the top surface of protecting shell 22 down, let the locating hole 21 that the four corner ends of upper protecting shell 19 seted up align with the reference column 25 of seting up on protecting shell 22 down in the installation, then let reference column 25 insert in locating hole 21, meanwhile, protruding piece 11 of installing on upper dustproof frame 6 also will block in the recess 24 of seting up on upper protecting shell 19 to this protects flexible wiring board body 3 between upper protecting shell 19 and lower protecting shell 22, in order to avoid flexible wiring board body 3 to receive the damage.
Example four:
as shown in fig. 6-7, in this embodiment, in order to improve the heat dissipation performance of the flexible printed circuit board 3, the center portion of the top surface of the mounting plate 27 is provided with a mounting groove 28 corresponding to the heat dissipation opening 20, the top end portion of the notch of the mounting groove 28 is fixedly provided with a blocking net 29, four corner portions of the top surface of the mounting plate 27 are respectively provided with second threaded holes 30 corresponding to the positioning holes 21, the outer wall of the heat dissipation fan 31 is fixedly provided with three connecting rods 32 in an equally-divided manner, the other end of each connecting rod 32 is fixedly mounted on the wall of the mounting groove 28, the heat dissipation fan 31 is located below the blocking net 29, the bolts 5 are screwed into the second threaded holes 30 and threaded with the first threaded holes 26 through the second threaded holes 30, the mounting plate 27 is placed on the top surface of the upper protective shell 19 during use, and the second threaded holes 30 provided at the four corner portions of the mounting plate 27 are aligned with the first threaded holes 26 provided on the positioning posts 25, then the bolt 5 is screwed into the second threaded hole 30 and continuously screwed into the first threaded hole 26 through the second threaded hole 30, so as to mount and fix the upper protective shell 19 and the lower protective shell 22 together and fix the mounting plate 27 on the top surface of the upper protective shell 19, when the flexible circuit board body 3 is used, the heat dissipation fan 31 will operate together, the heat dissipation fan 31 will suck air downwards and discharge upwards, at this time, the heat dissipation fan 31 discharges the heat generated by the flexible circuit board body 3 upwards through the heat dissipation through hole 20, and at the same time, the external air is introduced into the upper protective shell 19 and the lower protective shell 22 through the heat dissipation groove 23, so as to dissipate the heat of the flexible circuit board body 3 by utilizing the principle of air heat exchange, and the dust in the air can be blocked by the dustproof mechanism 4.
It should be noted that, in order to realize the fast installation between the devices and protect the flexible circuit board body 3 when the flexible circuit board is used, firstly, the upper dustproof frame 6 and the lower dustproof frame 9 are respectively installed in the upper protective shell 19 and the lower protective shell 22, the protruding blocks 11 installed on the upper dustproof frame 6 and the lower dustproof frame 9 are respectively clamped in the corresponding grooves 24 formed on the upper protective shell 19 and the lower protective shell 22 in the installation process, then the flexible circuit board body 3 is flatly laid on the top surface of the lower dustproof frame 9, then the upper protective shell 19 is installed on the top surface of the lower protective shell 22, the positioning columns 25 are inserted into the positioning holes 21 in the installation process, meanwhile, the clamping blocks 18 protruding out from the left side wall and the right side wall of the connecting plate 14 are resisted by the fixing blocks 12, at this time, the compression springs 17 installed in the spring grooves 15 move in a retracting manner, and drives the fixture block 18 at the front end to realize the operation of retraction, and the head part of the fixture block 18 is abutted against the inner side wall of the fixed block 12, the lower dustproof frame 9 is continuously combined onto the upper dustproof frame 6 until the upper dustproof frame 6 and the lower dustproof frame 9 are combined together, at this time, the compression spring 17 makes a recovery operation in the spring groove 15, and the fixture block 18 is abutted against the front end, and the head part of the fixture block 18 is clamped into the clamping groove 13 formed on the fixed block 12, then the mounting plate 27 is placed on the top surface of the upper protective shell 19, and the second threaded hole 30 is aligned with the first threaded hole 26, finally the bolt 5 is screwed into the second threaded hole 30 and is screwed into the first threaded hole 26 through the second threaded hole 30, so as to connect the upper protective shell 19 and the lower protective shell 22 together and fix the mounting plate 27 on the top surface of the upper protective shell 19, when the flexible circuit board body 3 is in use, the heat dissipation fan 31 will also operate together, the heat dissipation fan 31 will suck air downwards and discharge air upwards, in this process, the heat emitted from the flexible circuit board body 3 will be discharged through the heat dissipation opening 20 opened on the upper protective shell 19, and the external cold air will enter the protection mechanism 1 through the heat dissipation slot 23, and the heat exchange is realized by the air in the protection mechanism 1, so as to realize the cooling and heat dissipation of the flexible circuit board body 3, so as to improve the heat dissipation effect of the flexible circuit board body 3, and the blocking net 29 is used for preventing the foreign matters from entering the protection mechanism 1, when the external air enters the protection mechanism 1, the first dust screen 7 and the second dust screen 10 installed on the upper dust-proof frame 6 and the lower dust-proof frame 9 will block the dust in the air from adhering to the flexible circuit board body 3.
While the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof or for parts thereof without departing from the scope of the invention.
Claims (8)
1. The utility model provides a flexible line way board of external dustproof mechanism which characterized in that: including flexible line way board body (3), the outside of flexible line way board body (3) is equipped with dustproof mechanism (4), dustproof mechanism (4) are including last dustproof frame (6), first dust screen (7), dustproof frame (9) down, second dust screen (10), protruding piece (11) and fixed block (12), be equipped with coupling mechanism (8) on going up the front and back both sides lateral wall of dustproof frame (6) respectively, coupling mechanism (8) are including connecting plate (14), fender ring (16), compression spring (17) and fixture block (18), the outside of dustproof mechanism (4) is equipped with protection machanism (1), protection machanism (1) is including protecting crust (19), protecting crust (22) down, reference column (25) and first screw hole (26), the top surface of going up protecting crust (19) is equipped with heat dissipation mechanism (2), heat dissipation mechanism (2) are including bolt (5), Mounting plate (27), arresting net (29), radiator fan (31) and connecting rod (32).
2. The flexible circuit board of the external dustproof mechanism according to claim 1, wherein: go up the fixed mounting in the frame wall of dustproof frame (6) and have first dust screen (7), go up on the left and right sides lateral wall of dustproof frame (6) respectively fixed mounting have a set of symmetrical protruding piece (11).
3. The flexible circuit board of the external dustproof mechanism according to claim 2, wherein: fixed mounting has second dust screen (10) in the frame wall of dustproof frame (9) down, also respectively fixed mounting has protruding piece (11) of a set of symmetry on the left and right sides lateral wall of dustproof frame (9) down, respectively fixed mounting has fixed block (12) of a set of symmetry on the both sides lateral wall around dustproof frame (9) down, and the symmetry draw-in groove (13) have been seted up on the opposite face of fixed block (12) respectively, flexible line way board body (3) are located dustproof frame (6) and down between dustproof frame (9).
4. The flexible circuit board of the external dustproof mechanism according to claim 3, wherein: go up fixed mounting respectively on the front and back both sides lateral wall of dustproof frame (6) have connecting plate (14), just spring groove (15) have been seted up respectively on the left and right sides lateral wall of connecting plate (14), fixed mounting has fender ring (16) in the notch of spring groove (15).
5. The flexible circuit board of the external dustproof mechanism according to claim 4, wherein: one end of each of the two compression springs (17) is fixedly installed on the bottom of the retaining ring (16), a fixture block (18) is fixedly installed at the other end of each of the compression springs (17), and the fixture block (18) penetrates through the retaining ring (16) and is located in the clamping groove (13).
6. The flexible circuit board of the external dustproof mechanism according to claim 5, wherein: the heat dissipation opening (20) is formed in the center of the top face of the upper protective shell (19), positioning holes (21) are formed in the four corner end portions of the top face of the upper protective shell (19) respectively, and grooves (24) corresponding to the protruding blocks (11) are formed in the side walls of the left side and the right side of the bottom face of the upper protective shell (19) respectively.
7. The flexible circuit board of the external dustproof mechanism according to claim 6, wherein: a plurality of radiating grooves (23) are seted up with the mode of permutation to the bottom surface of protective housing (22) down, also offer recess (24) that correspond each other with protruding piece (11) on the top surface left and right sides lateral wall of protective housing (22) down respectively, four corner end positions of bottom surface are fixed mounting respectively has reference column (25) in the shell of protective housing (22) down, just first screw hole (26) have been seted up to the top surface of reference column (25), reference column (25) alternate and install in locating hole (21).
8. The flexible circuit board of the external dustproof mechanism according to claim 7, wherein: mounting groove (28) that correspond each other with heat dissipation opening (20) are seted up to the top surface central point of mounting panel (27), the notch top position fixed mounting of mounting groove (28) has arresting net (29), second screw hole (30) that correspond each other with locating hole (21) are seted up respectively to four corner end positions of the top surface of mounting panel (27), the outer wall of radiator fan (31) has three connecting rod (32) with the mode fixed mounting of partition, just the other end fixed mounting of connecting rod (32) is on the cell wall of mounting groove (28), radiator fan (31) are located the below of arresting net (29), bolt (5) screw in is installed and is carried out threaded connection at second screw hole (30) and pass second screw hole (30) and first screw hole (26).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111157055.XA CN113923908B (en) | 2021-09-30 | 2021-09-30 | Flexible circuit board of external dustproof mechanism |
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| CN202111157055.XA CN113923908B (en) | 2021-09-30 | 2021-09-30 | Flexible circuit board of external dustproof mechanism |
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| CN113923908A true CN113923908A (en) | 2022-01-11 |
| CN113923908B CN113923908B (en) | 2023-04-28 |
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| CN207340280U (en) * | 2017-10-23 | 2018-05-08 | 扬州华盟电子有限公司 | A kind of computer heat radiation system flexible circuit board |
| CN208523038U (en) * | 2018-03-13 | 2019-02-19 | 覃良泳 | A kind of dust-proof wiring board |
| CN209627784U (en) * | 2018-09-30 | 2019-11-12 | 东莞联桥电子有限公司 | A kind of circuit board with dustproof construction |
| CN209845630U (en) * | 2019-04-25 | 2019-12-24 | 江苏东驰信息科技有限公司 | High-efficient dustproof construction is used to network switch |
| CN210432224U (en) * | 2019-07-01 | 2020-04-28 | 郑州知淘信息科技有限责任公司 | High accuracy flexible circuit board structure |
| CN211880852U (en) * | 2020-01-03 | 2020-11-06 | 深圳市欣盛电子科技有限公司 | PCB circuit board with dampproofing dustproof function |
| CN211880879U (en) * | 2020-05-09 | 2020-11-06 | 江苏迪昊特电子科技有限公司 | Dustproof device for radiator |
| CN212305985U (en) * | 2020-06-22 | 2021-01-05 | 扬州华盟电子有限公司 | High-efficient heat dissipation type FPC flexible line way board of area protection |
| CN212677545U (en) * | 2020-09-07 | 2021-03-09 | 苏州倢希科技有限公司 | Power-off protection type motor controller |
| CN213818146U (en) * | 2020-11-27 | 2021-07-27 | 济南超达电子有限公司 | Flexible circuit board and loudspeaker with same |
| CN213916064U (en) * | 2020-12-11 | 2021-08-10 | 深圳市宏炬科技有限公司 | Precision part is water conservancy diversion net for high temperature vacuum forming with dustproof construction |
| CN213547723U (en) * | 2020-12-25 | 2021-06-25 | 江西服装学院 | Computer network router dust-proof equipment |
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| CN113923908B (en) | 2023-04-28 |
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