CN111328240B - Dustproof and waterproof protection box for circuit board - Google Patents
Dustproof and waterproof protection box for circuit board Download PDFInfo
- Publication number
- CN111328240B CN111328240B CN202010225443.6A CN202010225443A CN111328240B CN 111328240 B CN111328240 B CN 111328240B CN 202010225443 A CN202010225443 A CN 202010225443A CN 111328240 B CN111328240 B CN 111328240B
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- protection box
- wall
- circuit board
- chamber
- ratch
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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
- H05K7/14—Mounting supporting structure in casing or on frame or rack
- H05K7/1422—Printed circuit boards receptacles, e.g. stacked structures, electronic circuit modules or box like frames
- H05K7/1427—Housings
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Casings For Electric Apparatus (AREA)
- Packaging Frangible Articles (AREA)
- Mounting Of Printed Circuit Boards And The Like (AREA)
- Buffer Packaging (AREA)
Abstract
The invention discloses a dustproof and waterproof protection box for a circuit board, which comprises a protection box, wherein a protection cavity with an upward opening is arranged on the upper end surface of the protection box, a sealing device is arranged on the protection box, an elastic rubber strip which surrounds the protection cavity and is arranged in the end surface of one side of the protection box opposite to a cover plate is fixedly arranged in the protection box, a buffer device is arranged in the sealing device, the buffer device comprises inserting rods fixedly arranged at four corners of the lower end surface of the protection box, a supporting screen plate capable of sliding up and down is jointly arranged on the four inserting rods, a jacking device is arranged in the protection box, the supporting screen plate can be taken out to be convenient for mounting the circuit board, the protection box provides a protection function for some small circuit boards, provides an environment for shielding dust and water vapor for the circuit board, ensures that the circuit board can normally work under severe conditions, and provides a buffer function for the circuit board when the protection box is impacted or falls, the components on the circuit board are protected.
Description
Technical Field
The invention relates to the technical field of electronics, in particular to a dustproof and waterproof protection box for a circuit board.
Background
Some small acquisition or control circuit boards can be used at construction sites in the building industry to realize information acquisition and mechanism control so as to complete construction more efficiently and with high quality, but harmful factors such as high-altitude falling objects, dust, water vapor and the like usually exist at the construction sites, so that the circuit boards can be damaged, the normal work of the circuit boards is influenced, and the accident conditions such as collision and the like can be avoided, so that electronic elements on the circuit boards are easily damaged. The present invention sets forth a device that solves the above problems.
Disclosure of Invention
The technical problem is as follows:
the circuit board is damaged by harmful factors such as high-altitude falling objects, dust, water vapor and the like on a construction site, and the electronic elements on the circuit board are easily damaged by the inevitable accident conditions such as collision and the like.
The circuit board dustproof and waterproof protection box comprises a protection box, wherein a protection cavity with an upward opening is arranged on the upper end surface of the protection box, a sealing device is arranged on the protection box and comprises a connecting groove which is arranged at the left end of the upper end surface of the protection box and has a leftward opening, a connecting block is rotatably arranged between the front wall and the rear wall of the connecting groove, a cover plate is fixedly arranged at the upper end of the connecting block, an elastic rubber strip which surrounds the protection cavity is fixedly arranged in the end surface of the protection box and the end surface of one side, opposite to the cover plate, of the protection box, a buffer device is arranged in the sealing device and comprises inserting rods fixedly arranged at four corners of the lower end surface of the protection box, a supporting screen plate capable of sliding up and down is jointly arranged on the four inserting rods, when the cover plate is turned and opened, can with the support otter board is followed take out on the inserted bar, circuit board accessible screw etc. are fixed in on the support otter board, the fixed first spring that is equipped with the axle center of inserted bar of protection chamber lower wall, be equipped with jacking device in the protection box, jacking device locates including the intercommunication the groove of accomodating at protection chamber lower wall center, it is equipped with the slider chamber to accomodate groove back wall intercommunication, the gliding slider that is equipped with around the slider intracavity ability, the terminal surface can the pivoted before the slider is equipped with the head rod, accomodate the inslot and in be equipped with the ejector pad between the slider chamber, the one end of head rod can the pivoted respectively connect in the terminal surface about the ejector pad, the fixed elastic block that is equipped with of ejector pad up end, under the ejector pad terminal surface with accomodate between the groove lower wall fixedly connected with third spring. Preferably, the sealing device comprises a sealing cavity which is arranged in the right wall of the protection cavity and has an upward opening, the left wall and the right wall of the sealing cavity are communicated with each other and are provided with an electric wire channel with an upward opening, a pressing block is fixedly arranged in the sealing cavity on the lower end face of the cover plate, a low-melting-point metal block is fixedly arranged in the sealing cavity, a spot welding head is fixedly arranged on the lower wall of the sealing cavity, and the low-melting-point metal block can be melted when the spot welding head generates heat.
Preferably, the buffer is including locating terminal surface under the apron and in the slide bar chamber of inserted bar top, gliding first slide bar that is equipped with about the slide bar intracavity, first slide bar with fixedly connected with second spring between the slide bar intracavity wall, the terminal surface is equipped with the decurrent slot of opening under the first slide bar, the inserted bar can insert in the slot, apron upper end center is equipped with the ascending pull rod groove of opening, the gliding pull rod that is equipped with about the pull rod inslot is internal, the pull rod upper end extends to outer and is equipped with the notch, can the pivoted be equipped with the connecting rod between the wall before the notch, the fixed pull ring that is equipped with of connecting rod right-hand member.
Preferably, the jacking device is including locating link chamber in the protection chamber right wall, the fixed axle that is equipped with between the link chamber left and right wall, can the pivoted be equipped with the connecting rod on the fixed axle, the connecting rod in link up about the one end of fixed axle rear side is equipped with the spacing groove, spacing inslot can be slided and is equipped with the gag lever post, link chamber upper wall in the fixed axle rear side run through from top to bottom and gliding second slide bar that is equipped with from top to bottom, gag lever post left end fixed connection in the second slide bar, the connecting rod is in terminal surface under the one end of fixed axle front side with fixedly connected with second stay wire between the ejector pad lower extreme.
But preferably, the right side wall intercommunication is equipped with first ratch behind the slider chamber, the internal energy horizontal slip of first ratch be equipped with fixed connection in the first ratch of slider, wall intercommunication is equipped with the gear chamber behind the first ratch chamber, the gear chamber is gone up between the lower wall can the pivoted be equipped with engage in the gear of first ratch, wall intercommunication is equipped with the second ratch chamber behind the gear chamber, the internal energy horizontal slip of second ratch be equipped with engage in the second ratch of gear, it is left the slider chamber with the intercommunication is equipped with interface channel between the second ratch chamber, the second ratch left end is fixed to be equipped with and passes interface channel and fixed connection in the second connecting rod of slider.
The invention has the beneficial effects that: the support screen plate can be taken out to facilitate the installation of the circuit board, the protection box provides a protection effect for some small circuit boards, an environment for shielding dust and water vapor is provided for the circuit board, the circuit board can be ensured to normally work under some severe conditions, and the protection box can provide a buffer effect for the circuit board when being hit by impact or falling objects to protect elements on the circuit board.
Drawings
For ease of illustration, the invention is described in detail by the following specific examples and figures.
FIG. 1 is a schematic view of the overall structure of a dustproof and waterproof protection box for a circuit board according to the present invention;
FIG. 2 is a sectional view taken in the direction "A-A" of FIG. 1;
FIG. 3 is a sectional view taken in the direction "B-B" of FIG. 1;
fig. 4 is a cross-sectional view taken along the direction "C-C" of fig. 2.
Detailed Description
The invention will now be described in detail with reference to fig. 1-4, for ease of description, the orientations described below will now be defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The invention relates to a dustproof and waterproof protection box for a circuit board, which is mainly applied to occasions such as construction sites and the like to protect the circuit board, and the invention is further explained by combining the attached drawings of the invention:
the invention relates to a dustproof and waterproof protection box for a circuit board, which comprises a protection box 11, wherein the upper end surface of the protection box 11 is provided with a protection cavity 12 with an upward opening, the protection box 11 is provided with a sealing device 101, the sealing device 101 comprises a connecting groove 13 which is arranged at the left end of the upper end surface of the protection box 11 and has a leftward opening, a connecting block 14 is rotatably arranged between the front wall and the rear wall of the connecting groove 13, the upper end of the connecting block 14 is fixedly provided with a cover plate 15, an elastic rubber strip 16 which surrounds the protection cavity 12 and is fixedly arranged in the end surface of one side, opposite to the protecting box 11 and the cover plate 15, of the protecting box 11, a buffer device 102 is arranged in the sealing device 101, the buffer device 102 comprises inserting rods 26 which are fixedly arranged at four corners of the lower end surface of the protection box 11, a supporting screen plate 27 which can slide up and down is, the support screen 27 can be taken out from the insert bar 26, the circuit board can be fixed on the support screen 27 by screws or the like, a first spring 28 coaxial with the inserted rod 26 is fixedly arranged on the lower wall of the protection cavity 12, a jacking device 103 is arranged in the protection box 11, the jacking device 103 comprises a receiving groove 44 communicated with the center of the lower wall of the protection cavity 12, the back wall of the containing groove 44 is communicated with a slide block cavity 45, a slide block 46 is arranged in the slide block cavity 45 in a front-back sliding manner, a first connecting rod 47 is rotatably arranged on the front end surface of the sliding block 46, a push block 48 is arranged in the accommodating groove 44 and between the sliding block cavities 45, one end of the first connecting rod 47 is rotatably connected to the left and right end surfaces of the push block 48, an elastic block 49 is fixedly arranged on the upper end face of the push block 48, and a third spring 50 is fixedly connected between the lower end face of the push block 48 and the lower wall of the accommodating groove 44.
Beneficially, as detailed in the following, the closing device 101 includes a sealing cavity 21 which is disposed in the right wall of the protection cavity 12 and has an upward opening, the left and right walls of the sealing cavity 21 are left and right through and are communicated with a wire channel 22 having an upward opening, a pressing block 23 is fixedly disposed on the lower end surface of the cover plate 15 and in the sealing cavity 21, a low-melting-point metal block 24 is fixedly disposed in the sealing cavity 21, and a spot welding head 25 is fixedly disposed on the lower wall of the sealing cavity 21, and when the spot welding head 25 generates heat, the low-melting-point metal block 24 can be melted.
Beneficially, the following detailed description is provided for the buffering device 102, the buffering device 102 includes a lower end face of the cover plate 15 and is disposed in the slide rod cavity 29 above the insert rod 26, the slide rod cavity 29 can be internally provided with a first slide rod 30 capable of sliding up and down, the first slide rod 30 and the inner wall of the slide rod cavity 29 are fixedly connected with a second spring 31, the lower end face of the first slide rod 30 is provided with a slot 33 with a downward opening, the insert rod 26 can be inserted into the slot 33, the upper end center of the cover plate 15 is provided with a pull rod groove 60 with an upward opening, the pull rod 34 is internally provided with a pull rod 34 capable of sliding up and down in the pull rod groove 60, the upper end of the pull rod 34 extends to the outside and is provided with a notch 35, the connecting rod 36 can be rotatably arranged between the front wall and the rear wall of.
Advantageously, as will be described in detail below, the jacking device 103 includes a link cavity 38 disposed in the right wall of the protection cavity 12, a fixed shaft 39 is fixedly disposed between the left and right walls of the link cavity 38, a link 40 is rotatably disposed on the fixed shaft 39, a limit groove 42 is disposed at one end of the link 40 on the rear side of the fixed shaft 39 in a left-right penetrating manner, a limit rod 43 is slidably disposed in the limit groove 42, a second slide rod 41 is disposed in the upper wall of the link cavity 38 on the rear side of the fixed shaft 39 in a vertical penetrating manner and in a vertical sliding manner, the left end of the limit rod 43 is fixedly connected to the second slide rod 41, and a second pull wire 51 is fixedly connected between the lower end face of one end of the link 40 on the front side of the fixed shaft 39 and the lower end of the push block 48.
Beneficially, the slider chamber 45 rear wall intercommunication on right side is equipped with first rack 53, the first rack 53 can the horizontal slip be equipped with fixed connection in the first rack 53 of slider 46, first rack chamber 52 rear wall intercommunication is equipped with gear chamber 54, rotatable being equipped with between the upper and lower wall of gear chamber 54 mesh in the gear 55 of first rack 53, gear chamber 54 rear wall intercommunication is equipped with second rack chamber 56, the horizontal slip be equipped with in second rack chamber 56 mesh in the second rack 57 of gear 55, it is left slider chamber 45 with the intercommunication is equipped with connecting channel 58 between the second rack chamber 56, second rack 57 left end is fixed be equipped with pass connecting channel 58 and fixed connection in the second connecting rod 59 of slider 46.
The following will describe in detail the usage steps of the dustproof and waterproof protection box for circuit board in this document with reference to fig. 1 to 4:
at the beginning, the cover plate 15 is in a horizontal state, the first slide bar 30 is in a lower limit position, the upper end of the inserted link 26 extends into the slot 33, the pull rod 34 is in the lower limit position, the upper end of the second slide bar 41 is against the lower end surface of the cover plate 15, the slide block 46 is in a limit position far away from the push block 48, the push block 48 is in the lower limit position, and the third spring 50 is in a compressed state.
When the spot welding device is used, the spot welding head 25 generates heat to melt the low-melting-point metal block 24, then the pressing block 23 can be pulled out from the low-melting-point metal block 24, the pull rod 34 is lifted up through the pull ring 37, the pull rod 34 firstly pulls up the first slide rod 30 to the upper limit position through the first pull wire 32, so that the upper end of the inserted rod 26 is separated from the slot 33, then the pull rod 34 is continuously lifted up to turn over and open the cover plate 15, when the cover plate 15 is turned over and opened, the upper end of the second slide rod 41 is separated from and abutted against the cover plate 15, and then the push block 48 slides upwards under the action of the third spring 50, when the push block 48 slides upwards, the slide blocks 46 are pulled to slide oppositely through the first connecting rods 47 on the left side and the right side, because the slide block 46 on the right side drives the first toothed rod 53 to slide, the first toothed rod 53 drives the second toothed rod 57 to slide oppositely through the gear, so as to push the supporting net plate 27 to slide upwards, and avoid the situation that the supporting net plate 27 is inclined to be clamped on the insert rod 26 when sliding upwards.
The circuit board is fixed on the upper end surface of the supporting screen plate 27 by screws and the like and then passes through the inserted bar 26 again to be put in, the electric wire connected with the circuit board passes through the electric wire channel 22 to the outside, the cover plate 15 is turned over again to be horizontal, the pressing block 23 presses the electric wire passing through the sealing cavity 21 down to enter the melted low melting point metal block 24 when the cover plate 15 is turned over, then the spot welding head 25 stops working, the low melting point metal block 24 is solidified and seals the sealing cavity 21 together with the pressing block 23, simultaneously the cover plate 15 is locked, the second sliding bar 41 is pressed down when the cover plate 15 is turned over to be horizontal, then the end of the connecting bar 40 at the rear side of the fixed shaft 39 descends, then the end of the connecting bar 40 at the front side of the fixed shaft 39 ascends and pulls the pushing block 48 to descend to reset through the second pull wire 51, meanwhile, the first sliding bar 30 slides down to reset under the action of the second spring 31, the upper end of, the second springs 31 on the upper side and the first springs 28 on the lower side can provide a buffer force for the supporting screen 27 to prevent the components on the circuit board from being damaged due to collision.
The invention has the beneficial effects that: the support screen plate can be taken out to facilitate the installation of the circuit board, the protection box provides a protection effect for some small circuit boards, an environment for shielding dust and water vapor is provided for the circuit board, the circuit board can be ensured to normally work under some severe conditions, and the protection box can provide a buffer effect for the circuit board when being hit by impact or falling objects to protect elements on the circuit board.
In the above manner, a person skilled in the art can make various changes depending on the operation mode within the scope of the present invention.
Claims (5)
1. The utility model provides a circuit board dustproof and waterproof protection box, includes the protection box, protection box up end is equipped with the ascending protection chamber of opening, be equipped with closing device, its characterized in that on the protection box: the sealing device comprises a connecting groove which is arranged at the left end of the upper end surface of the protection box and has a leftward opening, a connecting block is rotatably arranged between the front wall and the rear wall of the connecting groove, a cover plate is fixedly arranged at the upper end of the connecting block, an elastic rubber strip which surrounds the protection cavity is fixedly arranged in the end surface of the protection box and one side opposite to the cover plate, a buffer device is arranged in the sealing device, the buffer device comprises inserted bars which are fixedly arranged at four corners of the lower end surface of the protection box, a supporting screen plate which can slide up and down is jointly arranged on the four inserted bars, when the cover plate is turned and opened, the supporting screen plate can be taken out of the inserted bars, a circuit board can be fixed on the supporting screen plate through screws and the like, a first spring which has the same axis with the inserted bars is fixedly arranged on the lower wall of the protection cavity, a jacking device is arranged in the protection box, and the jacking, the sliding block is characterized in that a sliding block cavity is formed in the rear wall of the accommodating groove in a communicated mode, a sliding block is arranged in the sliding block cavity in a front-back sliding mode, a first connecting rod can be arranged on the front end face of the sliding block in a rotating mode, a push block is arranged in the accommodating groove between the sliding block cavities, one end of the first connecting rod can be connected to the left end face and the right end face of the push block in a rotating mode respectively, an elastic block is fixedly arranged on the upper end face of the push block, and a third spring is fixedly connected between the lower end face of the push block and the lower.
2. The dustproof and waterproof protection box for the circuit board according to claim 1, characterized in that: the sealing device comprises a sealing cavity which is arranged in the right wall of the protection cavity and provided with an upward opening, the left wall and the right wall of the sealing cavity are communicated with each other and provided with an electric wire channel with an upward opening, the lower end face of the cover plate is fixedly provided with a pressing block in the sealing cavity, a low-melting-point metal block is fixedly arranged in the sealing cavity, and a spot welding head is fixedly arranged on the lower wall of the sealing cavity and can melt the low-melting-point metal block when the spot welding head generates heat.
3. The dustproof and waterproof protection box for the circuit board according to claim 1, characterized in that: buffer is including locating terminal surface under the apron and in the slide bar chamber of inserted bar top, gliding about the slide bar intracavity is equipped with first slide bar, first slide bar with fixedly connected with second spring between the slide bar intracavity wall, the terminal surface is equipped with the decurrent slot of opening under the first slide bar, the inserted bar can insert in the slot, apron upper end center is equipped with the ascending pull rod groove of opening, the gliding pull rod that is equipped with about the pull rod inslot internal energy, the pull rod upper end extends to outer and is equipped with the notch, can the pivoted connecting rod that is equipped with between the wall before the notch, the fixed pull ring that is equipped with of connecting rod right-hand member.
4. The dustproof and waterproof protection box for the circuit board according to claim 1, characterized in that: jacking device is including locating link chamber in the protection chamber right wall, the fixed axle that is equipped with between the link chamber left and right wall, can the pivoted be equipped with the connecting rod on the fixed axle, the connecting rod in the one end of fixed axle rear side is controlled and is equipped with the spacing groove, spacing inslot can be slided and is equipped with the gag lever post, link chamber upper wall in the fixed axle rear side runs through from top to bottom and gliding second slide bar that is equipped with from top to bottom, gag lever post left end fixed connection in the second slide bar, the connecting rod is in terminal surface under the one end of fixed axle front side with fixedly connected with second stay wire between the ejector pad lower extreme.
5. The dustproof and waterproof protection box for the circuit board according to claim 1, characterized in that: the right side wall intercommunication is equipped with first ratch behind the slider chamber, the internal energy horizontal slip of first ratch be equipped with fixed connection in the first ratch of slider, wall intercommunication is equipped with the gear chamber behind the first ratch chamber, can pivoted be equipped with between the gear chamber upper and lower wall in meshing engagement the gear of first ratch, wall intercommunication is equipped with the second ratch chamber behind the gear chamber, the internal energy horizontal slip of second ratch be equipped with in meshing in the second ratch of gear, it is left the slider chamber with the intercommunication is equipped with interface channel between the second ratch chamber, the fixed being equipped with in second ratch left end pass interface channel and fixed connection in the second connecting rod of slider.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010225443.6A CN111328240B (en) | 2020-03-26 | 2020-03-26 | Dustproof and waterproof protection box for circuit board |
| JP2020123330A JP2021158332A (en) | 2020-03-26 | 2020-07-18 | Protection box capable of protecting circuit board from dust and steam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010225443.6A CN111328240B (en) | 2020-03-26 | 2020-03-26 | Dustproof and waterproof protection box for circuit board |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111328240A CN111328240A (en) | 2020-06-23 |
| CN111328240B true CN111328240B (en) | 2020-11-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010225443.6A Active CN111328240B (en) | 2020-03-26 | 2020-03-26 | Dustproof and waterproof protection box for circuit board |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2021158332A (en) |
| CN (1) | CN111328240B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112502291B (en) * | 2020-12-08 | 2022-08-23 | 山东中岩重科新材料科技有限公司 | Waterproof mounting component for assembly type structure |
| CN115551278B (en) * | 2022-11-25 | 2023-03-10 | 天津速越科技有限公司 | Intelligent gas controller |
| CN116828333B (en) * | 2023-02-21 | 2024-04-05 | 汉华智能科技(佛山)有限公司 | Industrial gateway of Internet of things |
| CN116608901B (en) * | 2023-05-19 | 2024-05-03 | 武汉宏联电线电缆有限公司 | Power equipment monitor |
| CN117560883B (en) * | 2024-01-09 | 2024-03-19 | 深圳市嘉力电气技术有限公司 | Extreme ultraviolet xenon lamp driving power supply |
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| CN207219155U (en) * | 2017-10-11 | 2018-04-10 | 梅州市梅县区诚功电子有限公司 | One kind prevents surface from falling grey type circuit board |
| CN208191049U (en) * | 2017-10-31 | 2018-12-04 | 浙江天驰电子有限公司 | A kind of wiring board protective case |
| CN209676710U (en) * | 2019-01-22 | 2019-11-22 | 深圳佰嘉奕成科技有限公司 | A kind of smart phone board structure of circuit |
| CN110842809A (en) * | 2019-10-31 | 2020-02-28 | 吴彬 | PCB circuit board |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| EP0511014B1 (en) * | 1991-04-25 | 1996-08-21 | Mitsubishi Denki Kabushiki Kaisha | Integrally molded printed circuit board and method of making the same |
| JP4196904B2 (en) * | 2004-08-26 | 2008-12-17 | 株式会社デンソー | Electronic control unit |
| CN104308350A (en) * | 2014-09-26 | 2015-01-28 | 昆山威赛机电科技有限公司 | Assembly method of rotor in voice coil motor |
| CN108366504B (en) * | 2017-12-25 | 2020-07-17 | 铜陵迈维电子科技有限公司 | L ED drive power supply seal structure |
| CN209824247U (en) * | 2018-10-03 | 2019-12-20 | 深圳市亚达明科技有限公司 | FPC circuit board convenient to grafting fixed mounting |
| CN210042727U (en) * | 2019-05-09 | 2020-02-07 | 大连亚太电子有限公司 | PCB cover plate capable of reducing and avoiding EMI interference |
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2020
- 2020-03-26 CN CN202010225443.6A patent/CN111328240B/en active Active
- 2020-07-18 JP JP2020123330A patent/JP2021158332A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207219155U (en) * | 2017-10-11 | 2018-04-10 | 梅州市梅县区诚功电子有限公司 | One kind prevents surface from falling grey type circuit board |
| CN208191049U (en) * | 2017-10-31 | 2018-12-04 | 浙江天驰电子有限公司 | A kind of wiring board protective case |
| CN209676710U (en) * | 2019-01-22 | 2019-11-22 | 深圳佰嘉奕成科技有限公司 | A kind of smart phone board structure of circuit |
| CN110842809A (en) * | 2019-10-31 | 2020-02-28 | 吴彬 | PCB circuit board |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111328240A (en) | 2020-06-23 |
| JP2021158332A (en) | 2021-10-07 |
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Effective date of registration: 20201104 Address after: 225826 Fushui Industrial Zone, Baoying County, Yangzhou City, Jiangsu Province Applicant after: BAOYING FANYANG MARINE ELECTRICAL PARTS MANUFACTURING Co.,Ltd. Address before: 15 Dongwai Road, zhangjiaying village, Qiuai Town, Yinzhou District, Ningbo City, Zhejiang Province Applicant before: Ningbo Miangen Technology Co.,Ltd. |
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