CN2880523Y - Automatic eraser - Google Patents
Automatic eraser Download PDFInfo
- Publication number
- CN2880523Y CN2880523Y CN 200620032993 CN200620032993U CN2880523Y CN 2880523 Y CN2880523 Y CN 2880523Y CN 200620032993 CN200620032993 CN 200620032993 CN 200620032993 U CN200620032993 U CN 200620032993U CN 2880523 Y CN2880523 Y CN 2880523Y
- Authority
- CN
- China
- Prior art keywords
- blackboard
- flexible belt
- annular flexible
- automatic
- 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 discloses an automatic blackboard brush, which includes an annular flexible belt blackboard, a top roller, a bottom roller, a writing support board and an automatic erasing device. The automatic erasing device is arranged behind the blackboard and comprises two cylinder wet brushes and two bar dry brushes. The two cylinder wet brushes are used to clean off chalk dust on the annular flexible belt blackboard, and the two bar dry brushes are used to dry-clean the annular flexible belt blackboard for next use. For cleaning, a user is only needed to use the electric or manual device to make the annular flexible belt blackboard move from downward to upward.
Description
Technical field the utility model relates to a kind of blackboard, especially has the blackboard of automatic erasing structure.
The present many schools of the background technology particularly teaching of primary school still use the black flat board with blackboard, and by artificial that chalk writing erasing on the blackboard is clean, use so that continue.Can cause dust from flying like this, influence teachers and students' health.
Chinese patent CN85105081 number disclosed " rotary-type automatic erasing blackboard " patent (application number: CN85105081), by annular blackboard, go up rod, down rod, writing from wipe device, write gripper shoe, support, electric device and hand gear form, the front can be write with chalk, writing is turned back to the back side with annular blackboard, can wipe chalk writing automatically in seal closure.The weak point of this patent is: all wipe chalk writing automatically less than explanation and how to realize, thereby those of ordinary skill in the art can't realize.
Chinese patent CN86210928 number disclosed " the self-erasing type blackboard of turning " patent (application number: CN86210928), have the last cylinder and the bottom roll that are installed in the horizontal direction on the wall by support, closed flexible belt blackboard surface is housed on last cylinder and bottom roll, between the two sides, front and back of blackboard surface, have by support and be fixed on flat support plate on the wall, the rear side surface that is adjacent to blackboard surface have by support be fixed on the wall level to the strip blackboard eraser, dust cover is equipped with in the outside of blackboard eraser, dust-collecting box is equipped with in the dust cover below, on the installation shaft of bottom roll crank is housed; By the tensioning adjusting device, write ceiling device, make whole blackboard plane smooth, be convenient to write; By the motion from bottom to top of tumbler do, wipe writing through automatic wiping board device wiping, control circuit has automatic control function, and plate body is wiped while moving, automatic stop behind the wiping board, detachable shell makes attractive in appearance, the safety of blackboard; This is novel to have and reduces labor intensity, and improves indoor environment, protection indoor occupant health, and easy to use and reliable, applicability is wide, is convenient to advantages such as maintenance and maintenance.The weak point of this patent is: the erasing function of strip blackboard eraser is not strong, makes blackboard eraser unclean, and influence is used.
The purpose of this utility model is exactly that a kind of automatic blackboard cleaning simple in structure, easy to use will be provided, and has the concrete structure of wiping chalk writing automatically.
The utility model content in order to achieve the above object, the automatic blackboard cleaning that the utility model provides is except comprising annular flexible belt blackboard, last rod, following rod, write gripper shoe, support, outside the part such as electric device and hand gear, also comprise automatic erasing structure: the erasing structure is placed in blackboard behind automatically, wipe and two strips are dried smears wiping and form by two cylindrical wet smearing, wherein, two cylindrical wet effects of smearing wiping are that the chalk writing erasing on the annular flexible belt blackboard is clean, two dried effects of smearing wiping of strip are that annular flexible belt blackboard is dried, and are easy to use.When the utility model used, the end user only need pass through electric device or hand gear, and the motion that allows annular flexible belt blackboard do from bottom to top gets final product.
The automatic blackboard cleaning that the utility model provides has a significant effect: two cylindrical wet effects of smearing wiping are that the chalk writing erasing on the annular flexible belt blackboard is clean, simple in structure; Two cylindrical wet effects of smearing wiping are that the chalk writing erasing on the annular flexible belt blackboard is clean, clean the efficient height; Two dried effects of smearing wiping of strip are that annular flexible belt blackboard is dried, convenient use immediately.
Description of drawings the utility model will be further described in conjunction with the accompanying drawings, please referring to accompanying drawing:
Accompanying drawing is represented schematic diagram of the present utility model.
Structure shown in the drawings comprises: go up rod (1), annular flexible belt blackboard (2) is write gripper shoe (3), following rod (4), and the cylindrical wet wiping (5) of smearing, strip is dried smears wiping (6).
The automatic blackboard cleaning that specific embodiment the utility model provides is except comprising annular flexible belt blackboard (2), last rod (1), following rod (4), write gripper shoe (3), support, outside the part such as electric device and hand gear, also comprise automatic erasing structure: the erasing structure is placed in blackboard behind automatically, cylindrically wet smear that wiping (5) and two strips are dried to be smeared wiping (6) and form by two, wherein, two cylindrical wet effects of smearing wiping (5) are that the chalk writing erasing on the annular flexible belt blackboard (2) is clean, two dried effects of smearing wiping (6) of strip are that annular flexible belt blackboard (2) is dried, and are easy to use.During use, the end user only need pass through electric device or hand gear, and the motion that allows annular flexible belt blackboard (2) do from bottom to top gets final product.
The utility model protection domain relates to all changes form recited above.
Claims (1)
- A kind of automatic blackboard cleaning, comprise annular flexible belt blackboard (2), last rod (1), following rod (4), write parts such as gripper shoe (3), support, electric device and hand gear, it is characterized in that: also comprise automatic erasing structure, be placed in blackboard behind, cylindrically wetly smear that wiping (5) and two strips are dried to be smeared wiping (6) and form by two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620032993 CN2880523Y (en) | 2006-01-27 | 2006-01-27 | Automatic eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620032993 CN2880523Y (en) | 2006-01-27 | 2006-01-27 | Automatic eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2880523Y true CN2880523Y (en) | 2007-03-21 |
Family
ID=37880362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620032993 Expired - Fee Related CN2880523Y (en) | 2006-01-27 | 2006-01-27 | Automatic eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2880523Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103332045A (en) * | 2013-06-14 | 2013-10-02 | 张更生 | Dust-free blackboard |
| CN104802571A (en) * | 2015-04-07 | 2015-07-29 | 河南科技大学 | Dust-free blackboard capable of realizing automatic wiping |
| CN110696528A (en) * | 2018-07-10 | 2020-01-17 | 陈炫梓 | Teaching board for high school teaching |
-
2006
- 2006-01-27 CN CN 200620032993 patent/CN2880523Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103332045A (en) * | 2013-06-14 | 2013-10-02 | 张更生 | Dust-free blackboard |
| CN104802571A (en) * | 2015-04-07 | 2015-07-29 | 河南科技大学 | Dust-free blackboard capable of realizing automatic wiping |
| CN104802571B (en) * | 2015-04-07 | 2016-08-03 | 河南科技大学 | A kind of dust-free blackboard that can realize automatic erasing |
| CN110696528A (en) * | 2018-07-10 | 2020-01-17 | 陈炫梓 | Teaching board for high school teaching |
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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 |