CN111112233B - Self-cleaning computer keyboard - Google Patents
Self-cleaning computer keyboard Download PDFInfo
- Publication number
- CN111112233B CN111112233B CN201911331202.3A CN201911331202A CN111112233B CN 111112233 B CN111112233 B CN 111112233B CN 201911331202 A CN201911331202 A CN 201911331202A CN 111112233 B CN111112233 B CN 111112233B
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- Prior art keywords
- air
- fixedly connected
- exhaust pipe
- air exhaust
- key
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- 238000004140 cleaning Methods 0.000 title claims abstract description 30
- 238000007789 sealing Methods 0.000 claims description 20
- 239000012535 impurity Substances 0.000 abstract description 15
- 239000000428 dust Substances 0.000 abstract description 14
- 238000000605 extraction Methods 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 8
- 210000004243 sweat Anatomy 0.000 abstract description 4
- 230000017525 heat dissipation Effects 0.000 abstract description 3
- 230000035900 sweating Effects 0.000 abstract 1
- 230000000903 blocking effect Effects 0.000 description 9
- 239000007788 liquid Substances 0.000 description 5
- 238000005086 pumping Methods 0.000 description 4
- 238000003825 pressing Methods 0.000 description 2
- 210000002268 wool Anatomy 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/04—Cleaning by suction, with or without auxiliary action
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/70—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/12—Brushes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
- B08B7/02—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by distortion, beating, or vibration of the surface to be cleaned
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/02—Input arrangements using manually operated switches, e.g. using keyboards or dials
- G06F3/0202—Constructional details or processes of manufacture of the input device
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Input From Keyboards Or The Like (AREA)
Abstract
The invention discloses a self-cleaning computer keyboard, which comprises a bottom plate and keys, wherein a support plate which is perpendicular to the bottom plate is fixedly connected to the side surface of the bottom plate, a fan blade box is fixedly connected to the support plate, an impeller is arranged in the fan blade box, two air outlets are arranged in the fan blade box, the two air outlets are respectively communicated with an air exhaust pipe and an air exhaust pipe, and a plurality of air exhaust holes are respectively arranged in the air exhaust pipe and the air exhaust pipe; and a plurality of air cylinders are annularly arranged around the key. Has the advantages that: according to the invention, the impeller of the centrifugal fan structure acts to enable air extraction and exhaust operations to be respectively carried out at two ends, wherein the air extraction end is connected with the plurality of air extraction holes arranged at the other end, so that when the electromagnetic valves in the air extraction holes are communicated, the impeller adsorbs dust or impurities at the current key position of the keyboard, and the exhaust end improves the heat dissipation effect on fingers through exhaust, thereby avoiding the phenomenon that sweat on the surface of the keyboard is sticky due to massive sweating of the fingers.
Description
Technical Field
The invention relates to the technical field of computer accessories, in particular to a self-cleaning computer keyboard.
Background
Computer keyboard is the passageway of the control information input computer of literal information, the keyboard from english typewriter evolves and comes, and the setting of a plurality of buttons and key cap in general computer keyboard makes dust and impurity drop easily in the clearance between the button when using, and because the button is arranged comparatively compactly, make impurity or dust in the space difficult to wash, and in hot summer, because the finger is more with the keyboard contact frequency, the easy perspire of finger fingertip department, make the keyboard surface appear gluing thick phenomenon, increase the use degree of difficulty.
Through retrieval, the Chinese publication No. CN105931910B discloses a self-cleaning keyboard, wherein a key comprises a button and a key groove, the button is spherical, the key groove is cylindrical, a keycap is covered above the button, and the keycap is made of a net arc-shaped plate; the button can freely rotate in the key groove relative to the key cap; the surface of the button comprises cleaning wool, and through analysis, although the surface of the keycap can be cleaned through the cleaning wool and the cleaning brush in the prior art, impurities deposited in gaps of keys of the keyboard cannot be treated, and meanwhile, the keycap is arranged to be of a spherical structure to be not beneficial to key operation in actual use.
Disclosure of Invention
The invention aims to solve the problems that dust in gaps among keys of a computer keyboard is easy to deposit and cannot be cleaned well in the prior art, and provides a self-cleaning computer keyboard.
In order to achieve the purpose, the invention adopts the following technical scheme: a self-cleaning computer keyboard comprises a bottom plate and keys, wherein a support plate which is perpendicular to the bottom plate is fixedly connected to the side surface of the bottom plate, a fan blade box is fixedly connected to the support plate, an impeller is arranged in the fan blade box, two air outlets are formed in the fan blade box and are respectively communicated with an air exhaust pipe and an air exhaust pipe, and a plurality of air exhaust holes are respectively formed in the air exhaust pipe and the air exhaust pipe; a plurality of air cylinders are annularly arranged around the key;
the key comprises a key cap, a movable shaft, a sleeve and a sensing piece, wherein the key cap is fixedly connected to the top of the movable shaft, the movable shaft is connected to the inner wall of the sleeve in a sealing and sliding manner, the bottom of the movable shaft is fixedly connected with a magnet layer, and the sensing piece is provided with an electromagnet which is opposite to the magnet layer in the same polarity;
the inflator includes barrel, sealing piston, valve cap and gas outlet, sealing piston seals sliding connection in the barrel, valve cap bottom fixedly connected with valve rod, the roof of barrel is run through to the valve rod bottom, the one end and the sealing piston top fixed connection of valve rod in the barrel, valve rod and barrel clearance fit, the gas outlet sets up and the direction of giving vent to anger along keeping away from the barrel direction along the horizontal direction.
In the self-cleaning computer keyboard, a groove is formed in the part, located in each two keys, of the bottom plate, each air suction hole is matched with one groove, each air suction hole is located at the bottom of each groove, and a plurality of flow blocking blocks corresponding to the air outlets are fixedly connected to the outer side of each groove.
In the self-cleaning computer keyboard, each of the air exhaust holes and the air exhaust holes is hermetically connected with an electromagnetic valve, the electromagnetic valve is electrically connected with the sensing piece, the impeller is of a centrifugal blade structure and is respectively provided with an air exhaust end and an air exhaust end, the air exhaust end is communicated with the air exhaust pipe, and the air exhaust end is communicated with the air exhaust pipe.
Compared with the prior art, the invention has the advantages that:
1. according to the invention, the impeller with the centrifugal blade structure does work to enable air extraction and exhaust operations to be respectively carried out at two ends, wherein the air extraction end is communicated with the air extraction pipe, and the impeller adsorbs dust or impurities on the keyboard at the current key when the electromagnetic valves in the air extraction holes are communicated through the plurality of air extraction holes arranged at the other end, so that the surface of the keyboard is cleaned in each key pressing process, and a self-cleaning effect is achieved;
2. the exhaust end is communicated with the exhaust pipe, the exhaust pipe is internally provided with a plurality of exhaust holes and electromagnetic valves, when the key is pressed to enable the exhaust pipe to exhaust air outwards, the electromagnetic valve in the exhaust hole at the corresponding point of the key is opened, so that exhaust and blowing operation is performed, the key has stable air flow to the finger position every time when in use, the heat dissipation effect on the finger and the keyboard position is improved when in use in summer, and meanwhile, the phenomenon that sweat on the surface of the keyboard is sticky due to the fact that the finger sweats a lot is avoided;
3. when the key is pressed, the plurality of air cylinders arranged around the sleeve move downwards while the keycap moves downwards, and simultaneously gas in the cylinder is discharged through the air outlet, so that dust or impurities deposited on the surface of the keyboard are loosened under the action of wind power when the impeller pumps air, meanwhile, the cylindrical flow blocking block is arranged, when the gas discharged from the air outlet passes through the flow blocking block, boundary separation occurs, and under the principle that boundary shunting can generate linear vortex at the rear according to fixed-length incoming flow, the gas has a centrifugal force and vibration effect on the bottom, so that the dust and accumulated silt can be accelerated to be absorbed after being separated from the bottom plate, and the cleaning effect and efficiency are improved;
4. the one end that the exhaust column is close to the wind wheel is equipped with filter screen and dust collecting box, dust or impurity that get into the exhaust column through bleeding lose power and drop into behind the dust box downwards after striking the filter screen, make can not influence the normal use of keyboard, and after piling up the dust when the filter screen appears, through the direction of operation adjustment with the impeller, make to wash the filter screen cleanly under the backwash action, and when the dirt that is difficult to wash such as greasy dirt appears on the keyboard surface, the accessible will be cleared up liquid and poured on the keyboard, and carry out the operation of cleaning with the brush, and the remaining liquid after the cleaning will discharge through the exhaust tube, under the dry action of the liquid and the blast pipe of taking out of exhaust tube, reduce the time that the keyboard was handled.
Drawings
FIG. 1 is a schematic structural diagram of a self-cleaning computer keyboard according to the present invention;
FIG. 2 is a cross-sectional view of a self-cleaning key of a computer keyboard according to the present invention;
FIG. 3 is an enlarged view of portion A of a self-cleaning computer keyboard according to the present invention;
FIG. 4 is an enlarged view of a portion B of a self-cleaning computer keyboard according to the present invention.
In the figure: 1 bottom plate, 2 support plates, 3 keys, 31 key caps, 32 movable shafts, 33 sleeves, 34 sensing pieces, 4 fan blade boxes, 5 impellers, 6 exhaust pipes, 7 exhaust pipes, 8 exhaust holes, 9 air outlets, 10 grooves, 11 exhaust holes, 12 flow blocking blocks, 13 air cylinders, 131 cylinder bodies, 132 sealing pistons, 133 valve caps and 134 air outlets.
Detailed Description
The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.
Examples
Referring to fig. 1-4, a self-cleaning computer keyboard comprises a bottom plate 1 and keys 3, wherein a support plate 2 arranged perpendicular to the bottom plate 1 is fixedly connected to the side surface of the bottom plate 1, a fan blade box 4 is fixedly connected to the support plate 2, an impeller 5 is arranged in the fan blade box 4, two air outlets 9 are arranged in the fan blade box 4, the two air outlets 9 are respectively communicated with an air exhaust pipe 7 and an air exhaust pipe 6, and a plurality of air exhaust holes 11 and a plurality of air exhaust holes 8 are respectively arranged in the air exhaust pipe 7 and the air exhaust pipe 6; a plurality of air cylinders 13 are annularly arranged around the key 3;
the key 3 comprises a key cap 31, a movable shaft 32, a sleeve 33 and a sensing piece 34, the key cap 31 is fixedly connected to the top of the movable shaft 32, the movable shaft 32 is connected to the inner wall of the sleeve 33 in a sealing and sliding manner, the bottom of the movable shaft 32 is fixedly connected with a magnet layer, the sensing piece 34 is provided with an electromagnet, the electromagnet is opposite to the same pole of the magnet layer, so that the movable shaft 32 is positioned at the top end of the sleeve 33 in an initial state under the action of magnetic repulsion force, the sleeve 33 is connected with the movable shaft 32 through a groove of a T-shaped structure to prevent the movable shaft 32 from being separated from the sleeve 33, the air cylinder 13 comprises a cylinder body 131, a sealing piston 132, a valve cap 133 and an air outlet 134, the sealing piston 132 is connected into the cylinder body 131 in a sealing and sliding manner, the bottom of the valve rod is fixedly connected with the bottom of the valve rod, one end of the valve rod in the cylinder body 131 is fixedly connected with the top of the sealing piston 132, and the valve rod is in clearance fit with the cylinder body 131, the gas outlet 134 is arranged along the horizontal direction, the gas outlet direction is arranged along the direction far away from the cylinder body 131, one-way valves are arranged at the sealing piston 132 and the gas outlet 134, so that when the valve rod drives the sealing piston 132 to slide downwards, gas in the cylinder body 131 is discharged through the gas outlet 134, and when the sealing piston 132 returns upwards, the external gas enters the lower part of the sealing piston 132 in the cylinder body 131 under the action of air pressure.
The bottom plate 1 is provided with a groove 10 at the part inside every two buttons 3, the groove 10 makes the dust or impurities entering the gap between the buttons 3 fall into the groove under normal state, each air pumping hole 11 is matched with a groove 10 and is arranged and each air pumping hole 11 is arranged at the bottom of the groove 10, the outer side of the groove 10 is fixedly connected with a plurality of flow blocking blocks 12 corresponding to the air outlet 134, the flow blocking blocks 12 are arranged in a cylindrical structure, so that the gas exhausted through the air outlet 134 is output to the flow blocking blocks 12 and is separated from the boundary, thereby generating linear vortex inside the groove 10, each air pumping hole 11 and the exhaust hole 8 are hermetically connected with an electromagnetic valve which is electrically connected with the sensing piece 34, the electromagnetic valve in the air pumping hole 11 and the electromagnetic valve on the corresponding support plate 2 are arranged to be opened and closed simultaneously, so that the electromagnetic valve is opened when the button 3 is pressed, the electromagnetic valve except the position is closed, so that the impeller 5 acts independently and the exhaust hole 8 and the exhaust hole 11 are arranged at the position, dust and impurities in the groove 10 are cleaned by the exhaust hole 11 at the current position, before the key 3 touches the sensing piece 34, impurities in the groove are loosened under the action of the flow blocking block 12 through gas outlet 134 on the gas cylinder 13, the impurities are extracted more quickly under the air extraction action, the extracted gas is exhausted through the exhaust hole 8 after being filtered by the filter screen, the radiating effect of the finger at the current position is realized, the phenomenon that the finger sweats greatly due to long-time work under the condition of high temperature is avoided, the keyboard is influenced, the impeller 5 is of a centrifugal blade structure and is provided with an air extraction end and an air exhaust end respectively, the air extraction end is communicated with the exhaust pipe 7, and the air exhaust end is communicated with the exhaust pipe 6.
When the invention is used, when a computer is in a power-off state, all the electromagnetic valves seal the corresponding exhaust holes 8 and exhaust holes 11, the impeller 5 keeps a static state without power, after the computer is powered on, the impeller 5 is arranged to be communicated with computer power supply equipment and is in a standby state, meanwhile, the opening switch of the impeller 5 is communicated with each electromagnetic valve, when one electromagnetic valve is opened, the impeller 5 starts to rotate, and the opening of one electromagnetic valve means that the corresponding key 3 is communicated with the sensing sheet 34, namely, in the state of pressing the key 3, the impeller 5 is opened once every time, so that under the air draft effect and the air exhaust effect, the impeller 5 respectively exhausts air to the exhaust holes 11 and the exhaust holes 8, the heat dissipation of fingers and the cleaning operation of impurities in the corresponding grooves 10 are simultaneously realized, and simultaneously, a plurality of air cylinders 13 arranged around the key 3 exhaust through air, impurities in the groove 10 are shaken and shaken off before being absorbed, so that the result that the impurities cannot be cleaned due to large adsorption force of dust or impurities is avoided;
when the cleaning device is used, if greasy dirt and other stains which are difficult to clean appear on the surface of the keyboard, cleaning liquid can be poured onto the keyboard in a power-off state and cleaned through the brush, and when the cleaning is finished and the cleaning is required to be dry, the power supply is turned on, and all electromagnetic valve switches are turned on through presetting, so that on one hand, residual cleaning liquid on the surface of the keyboard is sucked into the air suction pipe 7 through the air suction holes 11, on the other hand, dry gas is discharged through the air exhaust holes 8 to dry the surface of the keyboard, and the cleaning time is shortened.
Although the terms of the bottom plate 1, the support plate 2, the key 3, the key cap 31, the movable shaft 32, the sleeve 33, the sensor chip 34, the fan blade case 4, the impeller 5, the sewage drain pipe 6, the first connecting pipe 7, the exhaust hole 8, the air outlet 9, the groove 10, the air exhaust hole 11, the flow blocking block 12, the air exhaust hole 13, the cylinder 131, the sealing piston 132, the valve cap 133, the air outlet 134, and the like are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
Claims (2)
1. A self-cleaning computer keyboard comprises a bottom plate (1) and keys (3), and is characterized in that a support plate (2) arranged perpendicular to the bottom plate (1) is fixedly connected to the side surface of the bottom plate (1), a fan blade box (4) is fixedly connected to the support plate (2), an impeller (5) is arranged in the fan blade box (4), two air outlets (9) are formed in the fan blade box (4), the two air outlets (9) are respectively communicated with an air exhaust pipe (7) and an air exhaust pipe (6), and a plurality of air exhaust holes (8) and a plurality of air exhaust holes (11) are respectively formed in the air exhaust pipe (7) and the air exhaust pipe (6); a plurality of air cylinders (13) are annularly arranged around the key (3);
the key (3) comprises a key cap (31), a movable shaft (32), a sleeve (33) and a sensing piece (34), the key cap (31) is fixedly connected to the top of the movable shaft (32), the movable shaft (32) is connected to the inner wall of the sleeve (33) in a sealing and sliding manner, the bottom of the movable shaft (32) is fixedly connected with a magnet layer, an electromagnet is arranged on the sensing piece (34), and the electromagnet and the magnet layer are opposite in homopolar;
the gas cylinder (13) comprises a cylinder body (131), a sealing piston (132), a valve cap (133) and a gas outlet (134), the sealing piston (132) is connected in the cylinder body (131) in a sealing and sliding mode, a valve rod is fixedly connected to the bottom of the valve cap (133), the bottom of the valve rod penetrates through the top wall of the cylinder body (131), one end, inside the cylinder body (131), of the valve rod is fixedly connected with the top of the sealing piston (132), the valve rod is in clearance fit with the cylinder body (131), the gas outlet (134) is arranged along the horizontal direction, and the gas outlet direction is arranged along the direction far away from the cylinder body (131);
the bottom plate (1) is located the part of every two button (3) and has all seted up a recess (10), every aspirating hole (11) cooperation has a recess (10) to set up and every aspirating hole (11) all is located the bottom of recess (10), the outside fixedly connected with of recess (10) a plurality of baffling piece (12) corresponding with gas outlet (134).
2. A self-cleaning computer keyboard as claimed in claim 1, wherein each of said air suction holes (11) and said air discharge holes (8) is hermetically connected with an electromagnetic valve, said electromagnetic valve is electrically connected with said sensor sheet (34), said impeller (5) is formed in a centrifugal blade structure and is respectively provided with an air suction end and an air discharge end, said air suction end is communicated with said air suction pipe (7), and said air discharge end is communicated with said air discharge pipe (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911331202.3A CN111112233B (en) | 2019-12-21 | 2019-12-21 | Self-cleaning computer keyboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911331202.3A CN111112233B (en) | 2019-12-21 | 2019-12-21 | Self-cleaning computer keyboard |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111112233A CN111112233A (en) | 2020-05-08 |
| CN111112233B true CN111112233B (en) | 2021-12-24 |
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ID=70500854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911331202.3A Active CN111112233B (en) | 2019-12-21 | 2019-12-21 | Self-cleaning computer keyboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111112233B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112603366A (en) * | 2020-12-18 | 2021-04-06 | 曼陀罗(乳源)医药制造有限公司 | Portable color ultrasound instrument with keyboard pollution discharge function |
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| TW201609277A (en) * | 2014-09-02 | 2016-03-16 | 宏碁股份有限公司 | Keyboard with automatic clean function and automatic clean method |
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| CN108983990A (en) * | 2018-09-13 | 2018-12-11 | 王清玉 | A kind of pneumatic type self-cleaning keyboard |
| CN110069142A (en) * | 2019-04-29 | 2019-07-30 | 贵阳鸿德科技有限公司 | A kind of data processing centre |
| CN110252708A (en) * | 2019-04-22 | 2019-09-20 | 上海稳奇电脑有限公司 | A kind of self-cleaning computor-keyboard |
| CN110571085A (en) * | 2019-10-17 | 2019-12-13 | 牛建 | Keyboard key with self-cleaning function |
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2019
- 2019-12-21 CN CN201911331202.3A patent/CN111112233B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1652591A1 (en) * | 2004-11-02 | 2006-05-03 | Jürgen Dr. Westhäusler | Assembly for the automatic cleaning of computer keyboards |
| TW201609277A (en) * | 2014-09-02 | 2016-03-16 | 宏碁股份有限公司 | Keyboard with automatic clean function and automatic clean method |
| CN106933378A (en) * | 2017-04-24 | 2017-07-07 | 习水县西科电脑科技有限公司 | Self-cleaning keyboard |
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| CN108446028A (en) * | 2018-02-28 | 2018-08-24 | 重庆补贴猫电子商务有限公司 | One kind is from deashing keyboard |
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| CN108983990A (en) * | 2018-09-13 | 2018-12-11 | 王清玉 | A kind of pneumatic type self-cleaning keyboard |
| CN110252708A (en) * | 2019-04-22 | 2019-09-20 | 上海稳奇电脑有限公司 | A kind of self-cleaning computor-keyboard |
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| CN110571085A (en) * | 2019-10-17 | 2019-12-13 | 牛建 | Keyboard key with self-cleaning function |
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| Publication number | Publication date |
|---|---|
| CN111112233A (en) | 2020-05-08 |
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Effective date of registration: 20211207 Address after: 523000 Beihuan Road Industrial Zone, Changping Town, Dongguan City, Guangdong Province Applicant after: DONGGUAN MEITAI ELECTRONIC CO.,LTD. Address before: New campus of Zhengzhou University, No.100, science Avenue, high tech Zone, Zhengzhou City, Henan Province Applicant before: Lin Xiaoshuai |
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