CN2262500Y - Blackboard without hand to clean - Google Patents
Blackboard without hand to clean Download PDFInfo
- Publication number
- CN2262500Y CN2262500Y CN 96206051 CN96206051U CN2262500Y CN 2262500 Y CN2262500 Y CN 2262500Y CN 96206051 CN96206051 CN 96206051 CN 96206051 U CN96206051 U CN 96206051U CN 2262500 Y CN2262500 Y CN 2262500Y
- Authority
- CN
- China
- Prior art keywords
- blackboard
- rotating cylinder
- garden tube
- hand
- wiping
- 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.)
- Expired - Fee Related
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- Drawing Aids And Blackboards (AREA)
Abstract
The utility model provides a blackboard erased without hands. The utility model is characterized in that a rotary cylinder rotates, so that a flexible board surface sheathed outside the rotary cylinder is moved with the rotary cylinder; a cylindrical eraser pulled by a spring to tightly press the board surface is driven to rotate, and the chalk handwriting on the board surface is erased when the chalk handwriting passes through the rotating cylindrical eraser.
Description
The present invention relates to a kind of blackboard of writing chalk, particularly a kind of Blackboard without hand to clean.
Existing blackboard, the chalk mark on the plate face all take chalkboard eraser to wipe with hand, and the time-consuming consumption power that erases the board produces chalk dust again, and is very inconvenient.
The objective of the invention is to provide a kind of Blackboard without hand to clean, and it is to move soft board and wear the garden tube of moving tight hold-down plate surface and wipe to rotate and wipe plate flour person's handwriting by rotating rotating cylinder.
Invention is achieved in that blackboard is by soft plate face, liner plate, rotating cylinder and garden tube are wiped and are formed, the fixing rotating cylinder arm at the two ends of liner plate, rotating cylinder arm other end installation rotating cylinder and garden tube wiping arm, it is moving that garden tube wiping arm is with the rotating cylinder center to be indecisive and changeable in the garden, the other end is installed the garden tube and is wiped, and is connected with liner plate with spring, and soft plate face is end-to-end, be enclosed within outside the rotating cylinder of two ends, the monoblock blackboard is fixed on the wall by the leg that is fixed on the liner plate.In the time of need wiping on the plate face chalk mark, rotate the rotating cylinder rotation with hand, be enclosed within the outer soft board face of rotating cylinder and move thereupon, because the effect of spring, the garden tube is wiped and is all being pressed the plate face all the time, and the plate face moves to wipe with regard to drive garden tube and rotates, and the chalk mark on the plate face is wiped.
The concrete structure of invention is provided by following embodiment and accompanying drawing thereof.
Fig. 1 is the side view of the Blackboard without hand to clean of proposition according to the present invention.
Describe the details and the working condition of the concrete structure that proposes according to the present invention in detail below in conjunction with Fig. 1.
Blackboard without hand to clean is wiped [6] by soft board face [1], liner plate [2], rotating cylinder [4] and garden tube and is formed, liner plate [2] two ends each fixes a rotating cylinder arm [3] up and down, rotating cylinder [4] and garden tube wiping arm [5] are installed in rotating cylinder arm [3] other end, it is moving that garden tube wiping arm [5] is with rotating cylinder [4] center to be indecisive and changeable in the garden, an installation garden tube is wiped [6], and is connected with liner plate [2] with spring [7], and soft plate face [1] is end-to-end, be enclosed within outside liner plate [2] the two ends rotating cylinders [4], gripping by the garden tube wiping [6] that spring [7] hauls.The monoblock blackboard is fixed on the wall by the leg [8] that is fixed on the liner plate [2].When need erase the board, rotate rotating cylinder [4] with hand, soft board face [1] moves thereupon, when wiping [6] through the garden tube that hauls with spring [7], wipes [6] with the garden tube that changes the chalk mark on the plate face [1] is wiped.
Claims (2)
1, a kind of Blackboard without hand to clean of wiping [6] formation by soft board face [1], liner plate [2], rotating cylinder [4] and garden tube, it is characterized in that soft board face [1] is end-to-end is enclosed within outside two fixed bit rotating cylinders [4], the garden tube is wiped [6] and rotating cylinder [4] clips soft board face [1], and mobile soft board face [1] drive garden tube wiping [6] is rotated to wipe by way of garden tube wiping [6] and located chalk mark on the plate face.
2, want described Blackboard without hand to clean according to claim 1, it is characterized in that wiping [6] by the garden tube, to be with rotating cylinder [4] center to be indecisive and changeable in the garden moving, and all pressing the plate face all the time by spring [7] effect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96206051 CN2262500Y (en) | 1996-03-12 | 1996-03-12 | Blackboard without hand to clean |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96206051 CN2262500Y (en) | 1996-03-12 | 1996-03-12 | Blackboard without hand to clean |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2262500Y true CN2262500Y (en) | 1997-09-17 |
Family
ID=33890826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96206051 Expired - Fee Related CN2262500Y (en) | 1996-03-12 | 1996-03-12 | Blackboard without hand to clean |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2262500Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106142929A (en) * | 2016-07-18 | 2016-11-23 | 万象设计江苏有限责任公司 | One just erasing type strip-shaped thin template blackboard for education |
-
1996
- 1996-03-12 CN CN 96206051 patent/CN2262500Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106142929A (en) * | 2016-07-18 | 2016-11-23 | 万象设计江苏有限责任公司 | One just erasing type strip-shaped thin template blackboard for education |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |