CN109109517B - Intelligent white board for office - Google Patents
Intelligent white board for office Download PDFInfo
- Publication number
- CN109109517B CN109109517B CN201810985749.4A CN201810985749A CN109109517B CN 109109517 B CN109109517 B CN 109109517B CN 201810985749 A CN201810985749 A CN 201810985749A CN 109109517 B CN109109517 B CN 109109517B
- Authority
- CN
- China
- Prior art keywords
- whiteboard
- eraser
- white board
- supporting
- rotating
- Prior art date
- 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.)
- Active
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L1/00—Repeatedly-usable boards or tablets for writing or drawing
- B43L1/04—Blackboards
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B97/00—Furniture or accessories for furniture, not provided for in other groups of this subclass
- A47B97/04—Easels or stands for blackboards or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L21/00—Blackboard or slate cleaning devices
Landscapes
- Drawing Aids And Blackboards (AREA)
Abstract
The invention discloses an intelligent office whiteboard, relates to the field of office equipment, and solves the problems that the whiteboard in the prior art is very laborious to erase and write repeatedly at high frequency and the working efficiency is influenced. The method comprises the following steps: the mounting shell is supported and connected through a supporting mechanism; a flexible white board which is arranged in the mounting shell, supported by a pair of rotary supporting rollers and circularly rotated; a whiteboard rotation driving mechanism for driving the pair of rotation supporting rollers to rotate; the rolling type whiteboard eraser is arranged in the mounting shell and fixedly supported by the whiteboard eraser replacing mechanism, and the rolling type whiteboard eraser is in lap joint with the side surface of the flexible whiteboard; and the white board eraser rotation driving mechanism is used for driving the white board eraser replacing mechanism to rotate, and the flexible white board and the rolling type white board eraser rotate in opposite directions. This device utilizes the blank to carry out the high-frequency when repeatedly erasing and writing, can save artifical manual use blackboard eraser clearance to make things convenient for more laborsaving, improve the availability factor and the work efficiency of blank.
Description
Technical Field
The invention relates to the technical field of office equipment, in particular to an intelligent white board for an office.
Background
Office equipment, broadly refers to equipment associated with an office. Office equipment is distinguished from broad concepts and narrow concepts. The narrow concept refers to a device that is used mostly in offices to process documents. For example, there are known facsimile machines, printers, copiers, projectors, shredders, scanners, and the like, and there are also known desktop computers, notebooks, attendance machines, bookbinding machines, and the like. The broad concept is intended to broadly refer to all devices and appliances that may be used for office work, which are also widely used in other fields. Including telephones, programmable switches, mini-servers, calculators, etc. Wherein the whiteboard is a commonly used office equipment in an office.
The whiteboard functions like a blackboard, and is a repeatedly erasable writing tool, and is generally used for meeting discussion or keeping a record in offices. The existing whiteboard is simple in structure, the eraser is required to be used for erasing the writing on the whiteboard, and when the whiteboard is used, if the high-frequency repeated erasing and writing are required, the whiteboard can be easily erased only by manually erasing the whiteboard by using the eraser, and the working efficiency is influenced. In order to improve this, it is necessary to design an office intelligent whiteboard to improve the working efficiency by improving the convenience of using the whiteboard.
Disclosure of Invention
The invention provides an office intelligent whiteboard, aiming at solving the technical problems that the whiteboard in the prior art is very laborious to erase and write repeatedly at high frequency and the working efficiency is influenced.
In order to solve the technical problems, the technical scheme of the invention is as follows:
an office smart whiteboard, comprising:
the mounting shell is supported and connected through a supporting mechanism;
the flexible white board is arranged in the mounting shell and supported by a pair of rotating supporting rollers, the pair of rotating supporting rollers drive the flexible white board to rotate circularly, and an opening corresponding to the flexible white board is formed in the front surface of the mounting shell;
a whiteboard rotation driving mechanism for driving the pair of rotation supporting rollers to rotate;
the rolling type whiteboard eraser is arranged in the mounting shell and fixedly supported by a whiteboard eraser replacing mechanism, and the rolling type whiteboard eraser is in lap joint with the side surface of the flexible whiteboard;
and the white board eraser rotation driving mechanism is used for driving the white board eraser replacing mechanism to rotate, and the flexible white board and the rolling type white board eraser rotate in opposite directions.
Preferably, the whiteboard rotation driving mechanism comprises a stepping motor support connected to the lower surface of the mounting housing, a stepping motor mounted inside the stepping motor support, and a stepping motor driver connected to one side of the stepping motor support and used for driving the stepping motor;
the telescopic end of the stepping motor is connected with a gear rotating connecting shaft extending into the mounting shell, the upper end of the gear rotating connecting shaft is connected with a driving gear, and a driven gear meshed with the driving gear is sleeved at the lower end of one of the pair of rotating supporting rollers.
Preferably, the whiteboard eraser replacement mechanism comprises a supporting rotating shaft which is arranged on the upper surface of the mounting shell in a penetrating manner through a fixed bearing, a vertical rotating shaft which is hinged with the lower end of the supporting rotating shaft and is used for supporting the rolling whiteboard eraser, and a rotating bearing which is sleeved at the lower end part of the vertical rotating shaft, wherein the rotating bearing is fixed through a pressing and fixing mechanism;
the upper end and the lower end of the rolling type whiteboard eraser are connected with fixing clamps which are sleeved on the vertical rotating shaft.
Preferably, the whiteboard eraser rotation driving mechanism comprises a rotating motor support connected to the upper surface of the mounting shell and a rotating motor mounted on the inner side of the rotating motor support, and the rotating end of the rotating motor is fixedly connected with the upper end of the supporting rotating shaft.
Preferably, the pressing and fixing mechanism comprises a supporting block which is arranged on the inner lower surface of the mounting shell and is positioned right below the vertical rotating shaft, and a U-shaped notch which is arranged on one side of the upper surface of the supporting block and is used for accommodating the rotating bearing;
the installation casing with the roll formula whiteboard eraser one side that is close to has seted up the bar opening, installation casing side surface hinged joint have with bar opening assorted bar shelves lid, bar shelves lid inboard surface lower extreme is connected with and stretches into from the side the inside arc clamp plate of U type open-slot, the arc clamp plate is used for compressing tightly rolling bearing, bar shelves lid lower extreme with it is fixed through the buckle between the installation casing, bar shelves lid side surface upper end with be connected with extension spring between the installation casing upper surface.
Preferably, the supporting mechanism comprises a fixing ring connected to two sides of the rear surface of the mounting shell and an L-shaped supporting rod penetrating through the fixing ring, and the lower end of the mounting shell is supported by the L-shaped supporting rod;
the lower end of the L-shaped supporting rod is connected with a supporting frame in a supporting mode, and the lower surface of the supporting frame is connected with a horizontal bottom plate.
Preferably, the four corners of the lower surface of the horizontal bottom plate are connected with brake casters.
Preferably, an L-shaped carbon pen bearing plate is connected to the front surface of the mounting housing and located at one side of the opening.
The invention has the following beneficial effects:
according to the intelligent white board for the office, the rotary motor in the white board eraser rotation driving mechanism drives the rolling type white board eraser supported by the white board eraser replacement mechanism to rotate, the stepping motor in the white board rotation driving mechanism drives the flexible white board supported by the rotation supporting roller to rotate, and then the rolling type white board eraser is rotated reversely relative to the flexible white board, so that the flexible white board is cleaned completely by the rolling type white board eraser, the white board is not manually cleaned by the eraser, and the intelligent white board is more convenient and faster; the rotary bearing in the white board eraser replacing mechanism is pressed through the arc-shaped pressing plate in the pressing and fixing mechanism, so that the vertical rotating shaft in the white board eraser replacing mechanism can stably support the rolling type white board eraser, and then the rotation is realized; meanwhile, the lower end of a vertical rotating shaft in the white board eraser replacing mechanism can extend out of the mounting shell by loosening the arc-shaped pressing plate in the pressing and fixing mechanism, so that the rolling type white board eraser is convenient to replace. In conclusion, when the whiteboard is required to be used for repeatedly erasing and writing at a high frequency, the manual blackboard eraser cleaning can be omitted, the whiteboard is more convenient and labor-saving, and the using efficiency and the working efficiency of the whiteboard are improved.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic structural diagram of an office intelligent whiteboard of the present invention;
fig. 2 is a front view of an office smart whiteboard of the present invention;
fig. 3 is a side view of an office smart whiteboard of the present invention;
fig. 4 is a top view of a support block of an office smart whiteboard of the present invention.
The reference numerals in the figures denote:
1. installing a shell; 2. rotating the support roller; 3. a flexible whiteboard; 4. rolling type white board eraser; 5. a stepper motor support; 6. a stepping motor; 7. a stepper motor driver; 8. the gear rotates the connecting shaft; 9. a driving gear; 10. a driven gear; 11. a support shaft; 12. a vertical rotating shaft; 13. a rotating bearing; 14. fixing a clamp; 15. a rotating motor support; 16. a rotating electric machine; 17. a support block; 18. a U-shaped notch; 19. a strip-shaped opening; 20. a strip-shaped baffle cover; 21. an arc-shaped pressing plate; 22. buckling; 23. an extension spring; 24. a stationary ring; 25. an L-shaped strut; 26. a support frame; 27. a horizontal floor; 28. braking the caster; 29. l-shaped carbon pen bearing plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, an office intelligent whiteboard includes:
the installation shell 1 is supported and connected through a supporting mechanism;
the flexible white board 3 is arranged in the installation shell 1 and supported by the pair of rotary supporting rollers 2, the pair of rotary supporting rollers 2 drives the flexible white board 3 to rotate circularly, and the front surface of the installation shell 1 is provided with an opening corresponding to the flexible white board 3;
a whiteboard rotation driving mechanism that drives the pair of rotation supporting rollers 2 to rotate;
the rolling type whiteboard eraser 4 is fixedly supported by the whiteboard eraser replacing mechanism and arranged in the mounting shell 1, and the rolling type whiteboard eraser 4 is in lap joint with the side surface of the flexible whiteboard 3;
and a white board eraser rotation driving mechanism for driving the white board eraser replacing mechanism to rotate, wherein the flexible white board 3 and the rolling type white board eraser 4 rotate in opposite directions.
The whiteboard rotation driving mechanism comprises a stepping motor bracket 5 connected to the lower surface of the mounting shell 1, a stepping motor 6 arranged on the inner side of the stepping motor bracket 5 and a stepping motor driver 7 connected to one side of the stepping motor bracket 5 and used for driving the stepping motor 6;
the telescopic end of the stepping motor 6 is connected with a gear rotating connecting shaft 8 extending into the mounting shell 1, the upper end of the gear rotating connecting shaft 8 is connected with a driving gear 9, and the lower end of one rotating supporting roller 2 in the pair of rotating supporting rollers 2 is sleeved with a driven gear 10 meshed with the driving gear 9.
The white board eraser replacing mechanism comprises a supporting rotating shaft 11 which is arranged on the upper surface of the mounting shell 1 in a penetrating way through a fixed bearing, a vertical rotating shaft 12 which is hinged with the lower end of the supporting rotating shaft 11 and is used for supporting the rolling type white board eraser 4, and a rotating bearing 13 which is sleeved at the lower end part of the vertical rotating shaft 12, wherein the rotating bearing 13 is fixed through a pressing and fixing mechanism;
the upper end and the lower end of the rolling type whiteboard eraser 4 are both connected with a fixed hoop 14 which is sleeved on the vertical rotating shaft 12.
The whiteboard eraser rotation driving mechanism comprises a rotating motor support 15 connected to the upper surface of the mounting shell 1 and a rotating motor 16 mounted on the inner side of the rotating motor support 15, and the rotating end of the rotating motor 16 is fixedly connected with the upper end of the supporting rotating shaft 11.
The pressing and fixing mechanism comprises a supporting block 17 which is arranged on the inner lower surface of the installation shell 1 and is positioned right below the vertical rotating shaft 12 and a U-shaped notch 18 which is arranged on one side of the upper surface of the supporting block 17 and is used for accommodating the rotating bearing 13;
the mounting shell 1 and the rolling type whiteboard eraser 4 are close to one side and provided with a strip-shaped opening 19, the side surface of the mounting shell 1 is hinged with a strip-shaped baffle cover 20 matched with the strip-shaped opening 19, the lower end of the inner side surface of the strip-shaped baffle cover 20 is connected with an arc-shaped pressing plate 21 stretching into the U-shaped notch 18 from the side, the arc-shaped pressing plate 21 is used for pressing the rotating bearing 13, the lower end of the strip-shaped baffle cover 20 and the mounting shell 1 are fixed through a buckle 22, and an extension spring 23 is connected between the upper end of the side surface of the strip-shaped baffle.
The supporting mechanism comprises a fixing ring 24 connected to two sides of the rear surface of the installation shell 1 and an L-shaped supporting rod 25 penetrating the fixing ring 24, and the lower end of the installation shell 1 is supported by the L-shaped supporting rod 25;
the lower end of the L-shaped supporting rod 25 is supported and connected with a supporting frame 26, and the lower surface of the supporting frame 26 is connected with a horizontal bottom plate 27.
An L-shaped carbon pen carrier plate 29 is attached to the front surface of the mounting case 1 at one side of the opening.
The working principle is as follows:
all the electric devices, the driver, the power supply and the controller which are matched with the electric devices are electrically connected through conducting wires by persons in the field, and specific connecting means refer to the following working principle that the electric devices are electrically connected in sequence. In the process of using the device, the mounting housing 1 is firstly supported by the supporting mechanism, specifically, the supporting frame 26 on the horizontal bottom plate 27 plays a role of supporting the L-shaped strut 25, and the L-shaped strut 25 passes through the fixing ring 24 at the rear side of the mounting housing 1, so that the L-shaped strut 25 supports and fixes the mounting housing 1. Brake casters 28 may also be used to allow the device to move freely and brake set in place. It is then possible to write on the flexible whiteboard 3 supported by the rotary support roller 2 and place a pen for writing with the use of an L-shaped carbon pen carrier plate 29, wherein the front of the flexible whiteboard 3 is exposed from an opening on the mounting case 1 for use. Wherein the flexible whiteboard among this device is application number 201320325859.0 among the prior art, and the utility model discloses a flexible whiteboard that describes in the patent of a smooth surface flexible whiteboard has can erase and write repeatedly, the characteristics that can the roll-up moreover. When characters on the flexible white board 3 need to be erased, the rotating motor 16 supported by the rotating motor support 15 is controlled to rotate at first, the supporting rotating shaft 11 is driven to rotate, the upper end of the vertical rotating shaft 12 is hinged with the supporting rotating shaft 11, the lower end of the vertical rotating shaft 12 is fixed through the pressing and fixing mechanism, therefore, the supporting rotating shaft 11 drives the vertical rotating shaft 12 and the rolling type white board eraser 4 to rotate, and the rolling type white board eraser 4 is fixed on the vertical rotating shaft 12 through the fixing hoop 14. Meanwhile, the whiteboard rotation driving mechanism drives the rotation supporting roller 2 to rotate, then the flexible whiteboard 3 is driven to rotate, the rotation direction of the flexible whiteboard 3 is opposite to that of the rolling type whiteboard eraser 4, the rolling type whiteboard eraser 4 is in lap joint with the side face of the flexible whiteboard 3, and then the writing on the flexible whiteboard 3 is erased by the rolling type whiteboard eraser 4. When the specific whiteboard rotation driving mechanism is started, the stepping motor 6 supported by the stepping motor bracket 5 is driven by the corresponding controller and the stepping motor driver 7 to rotate by a proper angle, so that the writing surface of the flexible whiteboard 3 just rotates to the back surface and is completely contacted and erased by the rolling whiteboard eraser 4. Wherein step motor 6 will drive gear revolve connecting axle 8 and rotate, utilizes the intermeshing relation between driving gear 9 and the driven gear 10 then, drives one of them rotation support cylinder 2 of a pair of rotation support cylinder 2 and rotates, makes the flexible whiteboard 3 that a pair of rotation support cylinder 2 supported rotate then, makes flexible whiteboard 3 and roll formula whiteboard eraser 4 rotate relatively, then wipes off the writing on the flexible whiteboard 3. The rolling white board eraser 4 needs to be replaced after being used for a period of time, when the rolling white board eraser 4 is replaced, the pressing and fixing mechanism needs to be opened firstly, specifically, after the buckle 22 is opened, the strip-shaped baffle cover 20 is opened, at the moment, the strip-shaped baffle cover 20 keeps the opened state under the action of the tensile force of the extension spring 23, the rolling white board eraser 4 is convenient to replace, while the strip-shaped baffle cover 20 is opened, the arc-shaped pressing plate 21 also extends out of the U-shaped notch 18 on the supporting block 17, the rotating bearing 13 is released, the lower end of the vertical rotating shaft 12 is not restrained, at the moment, because the vertical rotating shaft 12 and the lower end of the supporting rotating shaft 11 are in a hinged connection relationship, the lower end of the vertical rotating shaft 12 can swing freely under the support of the supporting rotating shaft 11, at the moment, the vertical rotating shaft 12 extends out of the mounting shell 1 from the strip-shaped opening 19, then the fixing clamp 14 is loosened, and the inner diameter of the loosened fixing clamp 14 and, therefore, the rolling type white board eraser 4 can be taken down from the vertical rotating shaft 12, a new rolling type white board eraser 4 is replaced, the rolling type white board eraser is fixed on the vertical rotating shaft 12 through the fixing hoop 14 for use, then the rotating bearing 13 at the lower end of the vertical rotating shaft 12 is embedded into the U-shaped notch 18 on the supporting block 17, and the rolling type white board eraser can be used after being fixed by the pressing and fixing mechanism.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (4)
1. An office smart whiteboard, comprising:
the mounting shell (1) is supported and connected through a supporting mechanism;
the flexible white board (3) is arranged in the mounting shell (1) and supported by a pair of rotating supporting rollers (2), the pair of rotating supporting rollers (2) drives the flexible white board (3) to rotate circularly, and an opening corresponding to the flexible white board (3) is formed in the front surface of the mounting shell (1);
a whiteboard rotation driving mechanism for driving the pair of rotation supporting rollers (2) to rotate;
the rolling type whiteboard eraser (4) is arranged in the mounting shell (1) and fixedly supported by a whiteboard eraser replacing mechanism, and the rolling type whiteboard eraser (4) is in lap joint with the side surface of the flexible whiteboard (3);
the white board eraser rotating driving mechanism is used for driving the white board eraser replacing mechanism to rotate, and the rotating directions of the flexible white board (3) and the rolling type white board eraser (4) are opposite;
the whiteboard rotation driving mechanism comprises a stepping motor support (5) connected to the lower surface of the mounting shell (1), a stepping motor (6) mounted on the inner side of the stepping motor support (5) and a stepping motor driver (7) connected to one side of the stepping motor support (5) and used for driving the stepping motor (6);
a gear rotating connecting shaft (8) extending into the mounting shell (1) is connected to the telescopic end of the stepping motor (6), a driving gear (9) is connected to the upper end of the gear rotating connecting shaft (8), and a driven gear (10) meshed with the driving gear (9) is sleeved at the lower end of one rotating supporting roller (2) of the pair of rotating supporting rollers (2);
the white board eraser replacing mechanism comprises a supporting rotating shaft (11) which is arranged on the upper surface of the mounting shell (1) in a penetrating mode through a fixed bearing, a vertical rotating shaft (12) which is hinged to the lower end of the supporting rotating shaft (11) and used for supporting the rolling type white board eraser (4), and a rotating bearing (13) which is sleeved on the lower end portion of the vertical rotating shaft (12), wherein the rotating bearing (13) is fixed through a pressing and fixing mechanism;
the upper end and the lower end of the rolling type whiteboard eraser (4) are connected with fixed clamps (14) sleeved on the vertical rotating shaft (12);
the whiteboard eraser rotation driving mechanism comprises a rotating motor support (15) connected to the upper surface of the mounting shell (1) and a rotating motor (16) mounted on the inner side of the rotating motor support (15), and the rotating end of the rotating motor (16) is fixedly connected with the upper end of the supporting rotating shaft (11);
the pressing and fixing mechanism comprises a supporting block (17) which is arranged on the inner lower surface of the mounting shell (1) and is positioned right below the vertical rotating shaft (12), and a U-shaped notch (18) which is formed in one side of the upper surface of the supporting block (17) and is used for accommodating the rotating bearing (13);
the installation casing (1) with one side that roll formula whiteboard eraser (4) are close to has seted up bar opening (19), installation casing (1) side surface hinged joint have with bar opening (19) assorted bar shelves lid (20), bar shelves lid (20) inboard surface lower extreme is connected with and stretches into from the side U type open-slot (18) inside arc clamp plate (21), arc clamp plate (21) are used for compressing tightly rolling bearing (13), bar shelves lid (20) lower extreme with it is fixed through buckle (22) between installation casing (1), bar shelves lid (20) side surface upper end with be connected with extension spring (23) between installation casing (1) the upper surface.
2. An office intelligent whiteboard according to claim 1, wherein the supporting mechanism comprises a fixing ring (24) connected to both sides of the rear surface of the installation shell (1) and an L-shaped supporting rod (25) arranged in the fixing ring (24) in a penetrating way, the lower end of the installation shell (1) is supported by the L-shaped supporting rod (25);
the lower end of the L-shaped supporting rod (25) is connected with a supporting frame (26) in a supporting mode, and the lower surface of the supporting frame (26) is connected with a horizontal bottom plate (27).
3. An office intelligent whiteboard according to claim 2, wherein brake casters (28) are connected to four corners of the lower surface of the horizontal bottom plate (27).
4. An office intelligent whiteboard according to any one of claims 1 to 3, wherein an L-shaped carbon pen bearing plate (29) is connected to the front surface of the mounting housing (1) at one side of the opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810985749.4A CN109109517B (en) | 2018-08-28 | 2018-08-28 | Intelligent white board for office |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810985749.4A CN109109517B (en) | 2018-08-28 | 2018-08-28 | Intelligent white board for office |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109109517A CN109109517A (en) | 2019-01-01 |
| CN109109517B true CN109109517B (en) | 2020-06-09 |
Family
ID=64861219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810985749.4A Active CN109109517B (en) | 2018-08-28 | 2018-08-28 | Intelligent white board for office |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109109517B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110744951A (en) * | 2019-11-14 | 2020-02-04 | 张戈 | Rolling type white board |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2047229U (en) * | 1989-02-03 | 1989-11-08 | 王永杰 | Revolving-belt type no dust blackboard |
| CN2144058Y (en) * | 1992-12-21 | 1993-10-20 | 梁凯旋 | Blackboard capable of automatically rotating and erasing dust |
| JPH11268479A (en) * | 1998-03-19 | 1999-10-05 | Toshiba Tec Corp | Electronic blackboard with erasing function |
| CN2344188Y (en) * | 1998-11-25 | 1999-10-20 | 樊成仁 | Automatic turning dust-removing blackboard |
| CN2474331Y (en) * | 2001-03-13 | 2002-01-30 | 胡耀一 | Fully automatic dustless environmental protection blackboard |
| CN2790796Y (en) * | 2005-04-06 | 2006-06-28 | 姚宝林 | Electric-controlled screen-type writing device |
| KR100967253B1 (en) * | 2008-01-25 | 2010-07-01 | 오성룡 | Tension adjusting device for a movable board |
| CN204184080U (en) * | 2014-05-21 | 2015-03-04 | 徐州工业职业技术学院 | Positive warp blackboard |
| CN204249662U (en) * | 2014-09-30 | 2015-04-08 | 闫洋杰 | A kind of auto-manual drum-type two plate faces control of dust environment friendly blackboard |
| CN204149731U (en) * | 2014-10-23 | 2015-02-11 | 王丹 | Roll an act formula automatic dust-reducing blackboard |
| CN206030874U (en) * | 2016-08-10 | 2017-03-22 | 邓昌伟 | Full -automatic blackboard |
| CN108016181A (en) * | 2016-11-02 | 2018-05-11 | 天津学知无涯教育信息咨询有限公司 | Blackboard device with automatic erasing system |
-
2018
- 2018-08-28 CN CN201810985749.4A patent/CN109109517B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN109109517A (en) | 2019-01-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9669651B2 (en) | Fully-automatic pencil sharpener | |
| CN109109517B (en) | Intelligent white board for office | |
| CN112140765A (en) | Paper office supplies binding means | |
| CN219580614U (en) | Polishing machine | |
| CN210082742U (en) | Chinese teaching board convenient to erase fast | |
| CN212475452U (en) | Automatic winding device capable of rapidly removing dust for leather production | |
| CN216499093U (en) | Resin agitator tank for daylighting panel | |
| CN209649866U (en) | A kind of blackboard of collectable dust | |
| CN213731458U (en) | Mechanism for disassembling computer panel | |
| CN218626310U (en) | Portable dull and stereotyped device of meeting | |
| CN212041629U (en) | Computer motherboard cleaning device | |
| CN210380565U (en) | A high strength sliding ring motor brush yoke structure for DHQ series start-up control cabinet | |
| CN220094295U (en) | Sand frame for decoration engineering | |
| CN216683754U (en) | Automatic cleaning and collecting device for green printing | |
| CN213676006U (en) | Printing equipment with novel hem device | |
| CN214312199U (en) | Dedicated drawing teaching device of watercolor painting | |
| CN211952025U (en) | Simple to operate's camera device for computer | |
| CN212268954U (en) | Plastic film coiling mechanism | |
| CN204870051U (en) | Zhan seyi is printed to sola | |
| CN214960239U (en) | Static electricity eliminating device for decorative film | |
| CN217214054U (en) | Self-cleaning display screen for electric power regulation and control switchboard | |
| CN216832784U (en) | Printing head adjusting device convenient to adjust for specification printing | |
| CN109397939A (en) | Campus culture educational propaganda device | |
| CN203381398U (en) | Electric blackboard cleaning device | |
| CN211124413U (en) | Auxiliary memory board applying mathematical teaching formula |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |