CN115178540A - Keyboard key gap cleaning device - Google Patents
Keyboard key gap cleaning device Download PDFInfo
- Publication number
- CN115178540A CN115178540A CN202210766894.XA CN202210766894A CN115178540A CN 115178540 A CN115178540 A CN 115178540A CN 202210766894 A CN202210766894 A CN 202210766894A CN 115178540 A CN115178540 A CN 115178540A
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- CN
- China
- Prior art keywords
- keyboard
- cleaning
- working plate
- fixed
- clamping hook
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 81
- 210000004209 hair Anatomy 0.000 claims abstract description 10
- 239000002245 particle Substances 0.000 claims description 16
- 206010063659 Aversion Diseases 0.000 abstract 1
- 238000010009 beating Methods 0.000 abstract 1
- 239000008187 granular material Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 10
- 239000000126 substance Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000009191 jumping Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
Classifications
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- 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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- B08B1/12—
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- B08B1/20—
-
- 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
Abstract
The invention discloses a keyboard key gap cleaning device, and belongs to the technical field of computer keyboard cleaning devices. The utility model provides a keyboard button gap cleaning device, including the cleaning box, the cleaning box inboard is provided with the fixed plate, the fixed plate upside is provided with the clean hair of multiunit, through rocking the setting of the clean mechanism of aversion granule, make the device when using, vibrations about the working plate can carry out are rocked, thereby make the debris in keyboard gap or adhere the thing and can drop through vibrations, also make the material of side seam come out through beating through rocking and drop, thereby the brush can not contact has been avoided, there is debris or the condition that adheres the thing and exist in the position that can't clear up, the cleaning efficiency to the keyboard gap has been improved.
Description
Technical Field
The invention relates to the technical field of computer keyboard cleaning devices, in particular to a keyboard key gap cleaning device.
Background
The keyboard is exposed for a long time, and sundries, dust and the like can fall into the keyboard gap. The prior art publication No. CN215031382U provides a keyboard cleaning device for a computer, the device is provided with a box body, a movable block is arranged in the box body, a cleaning brush is arranged above the movable block, and the device mainly drives a screw rod to rotate through a motor so that the movable block drives the cleaning brush above the movable block to move back and forth to clean a keyboard clamped by a clamping mechanism; but the device clears up the keyboard gap through the round trip movement of cleaning brush when using, but in the gap of key cap cover department, just can't clear up because the brush can not contact for the clearance to the keyboard is not thorough. In view of this, we propose a keyboard key gap cleaning device.
Disclosure of Invention
1. Technical problem to be solved
The present invention is directed to a keyboard key gap cleaning device to solve the problems set forth in the background art.
2. Technical scheme
A keyboard key gap cleaning device comprises a cleaning box, wherein a fixing plate is arranged on the inner side of the cleaning box, and a plurality of groups of cleaning bristles are arranged on the upper side of the fixing plate;
a fixed box is arranged in the cleaning box, and a shaking and shifting particle cleaning mechanism is arranged in the fixed box;
the shaking and shifting particle cleaning mechanism comprises a working plate arranged below the fixing box, and the bottom surface of the working plate is provided with a keyboard groove for accommodating a keyboard main body;
the shaking and shifting particle cleaning mechanism further comprises an eccentric drive, and the eccentric drive can drive a keyboard main body on the working plate to vibrate up and down;
the shaking and shifting particle cleaning mechanism further comprises a moving drive, and the keyboard main body on the moving drive energy band working plate moves on the surface of the cleaning hair to clean the seams.
As an alternative to the solution according to the present document, a plurality of groups of said cleaning hairs are arranged in a straight line.
As an alternative to the solution of the present document, the eccentric drive comprises a rotating disc;
a servo motor is arranged on the outer side of the fixed box, and an output shaft of the servo motor penetrates through the outer wall of the fixed box, extends to the inside and is in sleeve fit with the rotating disc;
the limiting frame is arranged on the outer side of the rotating disc in a sliding mode, the supporting limiting block is arranged on the outer side of the limiting frame, a connecting block is arranged at one end, far away from the limiting frame, of the supporting limiting block, and the connecting block is connected with the working plate.
As an alternative of the technical solution of the present application, at least one sliding rail is arranged outside the supporting and limiting block;
the fixed incasement portion is provided with the restriction piece, a track has been seted up at least to the restriction piece inner wall, track and slide rail sliding connection.
As an alternative to the technical solution of the present document, the moving drive comprises a driving block, the driving block is arranged in a convex structure, and the driving block is slidably connected with a groove inside a connecting block;
one end of the driving block is rotatably provided with a first pulling rod through a pin shaft, the outer end of the first pulling rod is rotatably provided with a double working rod through a pin shaft, and the middle part of the double working rod is rotatably connected with a supporting block arranged in the fixed box through a pin shaft;
the outer sides of the two working rods are provided with second pulling rods, the outer ends of the second pulling rods are provided with crankshafts in a rotating mode through pin shafts, and the crankshafts are arranged at the edges of the outer walls of the rotating discs and are connected with the rotating discs in a rotating mode through the pin shafts.
As an alternative of the technical scheme of the application, one side of the working plate is provided with a fixed hook, and the other side of the working plate is provided with a movable hook;
the fixed hook and the movable hook are pressed on the edge of the keyboard main body;
a circular cavity is formed in one side of the working plate, an adjusting assembly is arranged inside the circular cavity, and the adjusting assembly can drive the movable clamping hook to change the angle.
As an alternative scheme of this document technical scheme, fixed trip all is the setting of L type structure with the activity trip, fixed trip all sets up the intermediate position in the outside edge of working plate bottom surface groove with the activity trip.
As an alternative of the technical scheme of the application, the adjusting assembly comprises a control column, one side of the circumferential outer wall of the control column is provided with a pulling lug, and the pulling lug is rotatably connected with one end of the movable clamping hook;
a sliding groove is formed in the lower side of the control column, and a control plate is arranged in the sliding groove in a sliding manner;
one side in the round cavity is provided with a telescopic rod, and the output end of the telescopic rod is fixedly connected with one end of the control panel.
As an alternative of this document technical scheme, the spout is the inclined plane structure setting, the control panel is L type structure, and the middle part is the inclined plane structure setting.
As an alternative of this document technical scheme, the control post is the notch cuttype structure setting, the control post downside is provided with the spring, spring one end with control panel one side pressfitting.
As an alternative scheme of the technical scheme of the application, one end of the movable clamping hook is provided with a chute, and the chute is connected with a cam fixed on the inner wall of the circular cavity in a sliding mode.
3. Advantageous effects
Compared with the prior art, the technical scheme of the application has the advantages that:
(1) According to the technical scheme, the arrangement of the cleaning mechanism for the shifting particles is adopted, so that when the device is used, the working plate can vibrate up and down, left and right, and the working plate can vibrate, so that sundries or adhered substances in gaps of the keyboard can drop through vibration, the substances on the side seams can drop through jumping by means of vibration, the problem that a brush cannot contact the substances is solved, the sundries or the adhered substances exist in positions which cannot be cleaned is solved, and the cleaning efficiency of the gaps of the keyboard is improved.
(2) This application technical scheme passes through adjustment assembly's setting, and when placing the keyboard, the activity pothook can change the angle, moves the outside in work board groove, can be direct puts into the keyboard, passes through the motion of telescopic link after putting into, directly fixes the keyboard, has not only improved fixed effect, makes the facility that the staff is very moreover.
(3) According to the technical scheme, the control column is arranged in a stepped structure, the spring is arranged on the lower side of the control column, one end of the spring is pressed with one side of the control panel, and after the telescopic rod is contracted through the arrangement of the spring, the control column is pushed by the spring to move upwards, so that the opening and closing movement of the movable clamping hook is realized; the chute has been seted up to activity trip one end, and the chute has driven the direction that the activity trip changed the angle through the restriction of chute with the fixed cam sliding connection of circle intracavity wall to the angle scope of the change of activity trip is certain.
Drawings
Fig. 1 is a schematic overall structure diagram of a keyboard key gap cleaning device disclosed in a preferred embodiment of the present application;
FIG. 2 is a sectional view of the overall structure of the keyboard key gap cleaning device disclosed in the preferred embodiment of the present application;
FIG. 3 is an exploded view of a shaking displacement particle cleaning mechanism of the keyboard key gap cleaning apparatus according to a preferred embodiment of the present application;
FIG. 4 is a sectional view of an operating board of the keyboard key gap cleaning device disclosed in the preferred embodiment of the present application;
FIG. 5 is a schematic view of an adjusting assembly of the keyboard key gap cleaning apparatus according to a preferred embodiment of the present application;
FIG. 6 is a schematic diagram of a control board of the keyboard key gap cleaning apparatus according to a preferred embodiment of the present application;
the reference numbers in the figures illustrate: 1. cleaning the box; 2. a box door; 3. a stationary box; 4. shaking the shifting particle cleaning mechanism; 5. a working plate; 6. a fixing plate; 7. cleaning the hair; 8. a keyboard main body; 9. rotating the disc; 10. a servo motor; 11. a limiting frame; 12. a support limit block; 13. connecting blocks; 14. a slide rail; 15. a limiting block; 16. a track; 17. driving the block; 18. a first pulling rod; 19. a double working rod; 20. a support block; 21. a second pulling rod; 22. a crankshaft; 23. fixing a clamping hook; 24. a movable hook; 25. a circular cavity; 26. pulling the ear; 27. a chute; 28. a control panel; 29. a telescopic rod; 30. a spring; 31. a chute; 32. a cam; 33. and (4) controlling the column.
Detailed Description
Referring to fig. 1-6, the present invention provides a technical solution:
a keyboard key gap cleaning device comprises a cleaning box 1, wherein the cleaning box 1 is symmetrically and movably connected with two box doors 2;
a fixed plate 6 is arranged on the inner side of the cleaning box 1, and a plurality of groups of cleaning bristles 7 are arranged on the upper side of the fixed plate 6;
a fixed box 3 is arranged in the cleaning box 1, and a shaking and shifting particle cleaning mechanism 4 is arranged on the fixed box 3;
the shaking and shifting particle cleaning mechanism 4 comprises a working plate 5 arranged below the fixed box 3, and a keyboard groove for accommodating a keyboard main body 8 is formed in the bottom surface of the working plate 5;
the shaking and shifting particle cleaning mechanism 4 also comprises an eccentric drive, and the eccentric drive can drive the keyboard main body 8 on the working plate 5 to shake up and down;
the shaking and shifting particle cleaning mechanism 4 further comprises a moving drive, and the keyboard main body 8 on the working plate 5 can be driven by the moving drive to move and clean the seams on the surface of the cleaning hair 7.
In the technical scheme, the arrangement of the shifting particle cleaning mechanism 4 is adopted, so that when the device is used, the working plate 5 can vibrate up, down, left and right, the sundries or the adhered matters in the keyboard gap can fall off through vibration, the matters at the side seam can fall off through jumping by swinging, the condition that the hairbrush cannot contact and the sundries or the adhered matters exist at the position which cannot be cleaned is avoided, and the cleaning efficiency of the keyboard gap is improved
Specifically, the multiunit cleaning hair 7 is the straight line setting, and at the in-process of in-service use, multiunit cleaning hair can cover the fixed plate completely, because cleaning hair has the flexibility, can stretch into the gap between the keyboard button, also can make the interval between every group cleaning hair 7 correspond the interval between the keyboard gap.
In this solution, each group of cleaning bristles 7 can clean each gap of the keyboard in a targeted manner.
Further, the eccentric drive comprises a rotary disc 9;
a servo motor 10 is arranged on the outer side of the fixed box 3, and an output shaft of the servo motor 10 penetrates through the outer wall of the fixed box 3 to extend to the inside and is in sleeve fit with the rotating disc 9;
the outer side of the rotating disc 9 is provided with a limiting frame 11 in a sliding mode, the outer side of the limiting frame 11 is provided with a supporting limiting block 12, one end of the supporting limiting block 12 is provided with a connecting block 13, and the connecting block 13 is connected with the working plate 5.
Furthermore, at least one sliding rail 14 is arranged outside the supporting and limiting block 12;
fixed case 3 is inside to be provided with restriction piece 15, and restriction piece 15 inner wall has seted up a track 16 at least, and track 16 and slide rail 14 sliding connection.
In the technical scheme, through the arrangement of eccentric driving, when the limiting frame moves, the working plate 5 can be driven to vibrate up and down by converting rotation into linear motion, so that sundries in the keyboard are shaken out.
Furthermore, the mobile driver comprises a driving block 17, the driving block 17 is arranged in a trapezoidal structure, and the driving block 17 is connected with the groove in the connecting block 13 in a sliding manner;
one end of the driving block 17 is rotatably provided with a first pulling rod 18 through a pin shaft, the outer end of the first pulling rod 18 is rotatably provided with a double working rod 19 through a pin shaft, and the middle part of the double working rod 19 is rotatably connected with a supporting block 20 arranged inside the fixed box 3 through a pin shaft;
the outside of two work bars 19 is provided with second pulling pole 21, and second pulling pole 21 outer end is provided with bent axle 22 through the round pin axle rotation, and bent axle 22 sets up in carousel 9 outer wall edge and is connected rather than rotating through the round pin axle.
In the technical scheme, the working plate 5 is driven to horizontally move through the arrangement of moving driving and the swinging of the double working rods 19, so that the keyboard can move on the cleaning bristles 7 to clean after descending.
It is worth to be noted that one side of the working plate 5 is provided with a fixed clamping hook 23, and the other side of the working plate 5 is provided with a movable clamping hook 24;
the fixed hook 23 and the movable hook 24 are pressed on the edge of the keyboard main body 8;
It should be noted that the fixed hook 23 and the movable hook 24 are both disposed in an L-shaped configuration, and the fixed hook 23 and the movable hook 24 are both disposed at the middle position of the outer edge of the bottom groove of the working plate 5.
In the technical scheme, the fixed hook 23 and the movable hook 24 are arranged, so that the keyboard can be directly fixed conveniently, the fixing effect is improved, and the convenience of workers is brought.
In addition, the adjusting component comprises a control column 33, a pulling lug 26 is arranged on one side of the circumferential outer wall of the control column 33, and the pulling lug 26 is rotatably connected with one end of the movable clamping hook 24;
the lower side of the control column 33 is provided with a sliding chute 27, and a control plate 28 is arranged in the sliding chute 27 in a sliding manner;
one side in the round cavity 25 is provided with a telescopic rod 29, and the output end of the telescopic rod 29 is fixedly connected with one end of the control plate 28.
In the technical scheme, the arrangement of the adjusting component can drive the movable clamping hook 24 to change the angle, so that the keyboard is convenient to disassemble.
In addition, the sliding groove 27 is disposed in an inclined plane structure, the control panel 28 is in an L-shaped structure, and the middle portion is disposed in an inclined plane structure.
In this solution, the sliding slot 27 is a slope structure, and the control board 28 can push the control post 33 to move upward, so that the movable hook 24 can apply pressure to fix the keyboard surface.
In addition, the control column 33 is in a ladder-shaped structure, the spring 30 is arranged on the lower side of the control column 33, and one end of the spring 30 is pressed on one side of the control plate 28.
In this kind of technical scheme, through the setting of spring 30, after telescopic link 29 contracts, the control post is through the promotion of spring 30 to upwards displacement has been carried out, and at this moment, has realized that activity trip 24 opens and shuts the motion.
In addition, one end of the movable hook 24 is provided with a chute 31, and the chute 31 is slidably connected with a cam 32 fixed on the inner wall of the circular cavity 25.
In the technical scheme, the movable hook 24 is driven to change the angle direction through the limitation of the inclined groove 31, so that the changed angle range of the movable hook 24 is certain.
When the key gaps of the computer keyboard need to be cleaned, firstly, one side of the keyboard main body 8 is placed on the lower side of the fixed clamping hook 23, the other side of the keyboard main body is placed in the groove of the working plate 5, at the moment, the telescopic rod 29 is driven by the controller to push the control panel 28 to move, so that the control panel 28 slides in the sliding groove 27, the control column 33 descends to pull the movable clamping hook 24 to descend, and the outer end of the movable clamping hook 24 is pressed on the keyboard main body 8 in a limiting sliding manner in cooperation with the cam 32;
at the moment, the output shaft of the servo motor 10 is driven to rotate, the rotating disc 9 is driven to rotate, the crankshaft 22 on the rotating disc is driven to rotate, the crankshaft 22 pulls the second pulling rod 21, the double working rods 19 swing and are matched, the rotating disc 9 slides in the limiting frame 11 and adapts to the change of the motion angle of the crankshaft 22, at the moment, the working plate 5 vibrates up and down, after the double working rods 19 swing, the outer ends pull the first pulling rod 18, the first pulling rod 18 pulls the driving block 17 to slide in the connecting block 13, the working plate 5 moves left and right, when the working plate 5 vibrates up and down to the cleaning bristles 7, the working plate 5 translates, and therefore, the cleaning bristles 7 clean gaps of the keyboard main body 8;
after cleaning, after the telescopic rod 29 is retracted, the control column 33 moves, at the moment, the control column 33 is pushed to rise by the spring 30, so that the angle of the movable clamping hook 24 towards the upper groove of the working plate 5 is changed outwards, and at the moment, the keyboard main body 8 is taken out.
Claims (10)
1. The utility model provides a keyboard button gap cleaning device, includes cleaning box, its characterized in that: a fixed plate is arranged on the inner side of the cleaning box, and a plurality of groups of cleaning bristles are arranged on the upper side of the fixed plate;
a fixed box is arranged in the cleaning box, and a shaking and shifting particle cleaning mechanism is arranged in the fixed box; the shaking and shifting particle cleaning mechanism comprises a working plate arranged below the fixing box, and the bottom surface of the working plate is provided with a keyboard groove for accommodating a keyboard main body;
the shaking and shifting particle cleaning mechanism further comprises an eccentric drive, and the eccentric drive can drive a keyboard main body on the working plate to vibrate up and down;
the shaking and shifting particle cleaning mechanism further comprises a moving drive, and the keyboard main body on the moving drive energy band working plate moves on the surface of the cleaning hair to clean the seams.
2. The keyboard key gap cleaning device of claim 1, wherein: the cleaning bristles are arranged in a straight line.
3. The keyboard key gap cleaning device of claim 1, wherein: the eccentric drive comprises a rotating disc;
a servo motor is arranged on the outer side of the fixed box, and an output shaft of the servo motor penetrates through the outer wall of the fixed box, extends to the inside and is in sleeve fit with the rotating disc;
the limiting frame is arranged on the outer side of the rotating disc in a sliding mode, the supporting limiting block is arranged on the outer side of the limiting frame, a connecting block is arranged at one end, far away from the limiting frame, of the supporting limiting block, and the connecting block is connected with the working plate.
4. The keyboard key gap cleaning device of claim 3, wherein: at least one sliding rail is arranged on the outer side of the supporting limiting block;
the fixed incasement portion is provided with the restriction piece, a track has been seted up at least to the restriction piece inner wall, track and slide rail sliding connection.
5. The keyboard key gap cleaning device of claim 1, wherein: the mobile driver comprises a driving block which is arranged in a convex structure and is in sliding connection with a groove in the connecting block;
one end of the driving block is rotatably provided with a first pulling rod through a pin shaft, the outer end of the first pulling rod is rotatably provided with a double working rod through a pin shaft, and the middle part of the double working rod is rotatably connected with a supporting block arranged in the fixed box through a pin shaft;
the outer sides of the two working rods are provided with second pulling rods, the outer ends of the second pulling rods are provided with crankshafts in a rotating mode through pin shafts, and the crankshafts are arranged at the edges of the outer walls of the rotating discs and are connected with the rotating discs in a rotating mode through the pin shafts.
6. The keyboard key gap cleaning device of claim 1, wherein: one side of the working plate is provided with a fixed clamping hook, and the other side of the working plate is provided with a movable clamping hook; the fixed clamping hook and the movable clamping hook are arranged in an L-shaped structure, and are arranged in the middle of the outer edge of the keyboard groove on the bottom surface of the working plate;
the fixed clamping hook and the movable clamping hook can be pressed on the edge of the keyboard main body;
a circular cavity is formed in one side of the working plate, an adjusting assembly is arranged inside the circular cavity, and the adjusting assembly can drive the movable clamping hook to change the angle.
7. The keyboard key gap cleaning device of claim 6, wherein: the adjusting assembly comprises a control column, a pulling lug is arranged on one side of the circumferential outer wall of the control column, and the pulling lug is rotatably connected with one end of the movable clamping hook;
a sliding groove is formed in the lower side of the control column, and a control panel is arranged in the sliding groove in a sliding mode;
one side in the round cavity is provided with a telescopic rod, and the output end of the telescopic rod is fixedly connected with one end of the control panel.
8. The apparatus for cleaning gaps between keys of a keyboard of claim 7, wherein: the spout is the inclined plane structure setting, the control panel is L type structure, and the middle part is the inclined plane structure setting.
9. The keyboard key gap cleaning apparatus of claim 7, wherein: the control post is the notch cuttype structure setting, the control post downside is provided with the spring, spring one end with control panel one side pressfitting.
10. The keyboard key gap cleaning apparatus of claim 7, wherein: one end of the movable clamping hook is provided with a chute, and the chute is connected with a cam fixed on the inner wall of the circular cavity in a sliding manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210766894.XA CN115178540A (en) | 2022-07-01 | 2022-07-01 | Keyboard key gap cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210766894.XA CN115178540A (en) | 2022-07-01 | 2022-07-01 | Keyboard key gap cleaning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115178540A true CN115178540A (en) | 2022-10-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210766894.XA Pending CN115178540A (en) | 2022-07-01 | 2022-07-01 | Keyboard key gap cleaning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115178540A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200801893A (en) * | 2006-06-02 | 2008-01-01 | Hon Hai Prec Ind Co Ltd | Locking/releasing device and exchanging apparatus using the same |
| CN110094108A (en) * | 2018-01-31 | 2019-08-06 | 宁波方太厨具有限公司 | A kind of door latch structure |
| AU2019201828B1 (en) * | 2019-03-05 | 2020-09-24 | Binzhou Fangxin Computer Co., Ltd. | A keyboard cleaner |
| CN211839135U (en) * | 2019-12-04 | 2020-11-03 | 梁休贤 | Calculate key dish slit cleaning device |
| CN113843223A (en) * | 2021-08-05 | 2021-12-28 | 鲁舒杨 | Computer keyboard key gap vibration cleaning device |
| CN114011761A (en) * | 2021-12-14 | 2022-02-08 | 王宇 | Cleaning device for computer keyboard |
-
2022
- 2022-07-01 CN CN202210766894.XA patent/CN115178540A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200801893A (en) * | 2006-06-02 | 2008-01-01 | Hon Hai Prec Ind Co Ltd | Locking/releasing device and exchanging apparatus using the same |
| CN110094108A (en) * | 2018-01-31 | 2019-08-06 | 宁波方太厨具有限公司 | A kind of door latch structure |
| AU2019201828B1 (en) * | 2019-03-05 | 2020-09-24 | Binzhou Fangxin Computer Co., Ltd. | A keyboard cleaner |
| CN211839135U (en) * | 2019-12-04 | 2020-11-03 | 梁休贤 | Calculate key dish slit cleaning device |
| CN113843223A (en) * | 2021-08-05 | 2021-12-28 | 鲁舒杨 | Computer keyboard key gap vibration cleaning device |
| CN114011761A (en) * | 2021-12-14 | 2022-02-08 | 王宇 | Cleaning device for computer keyboard |
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