CN2255370Y - Closed dust-proof blackboard eraser - Google Patents
Closed dust-proof blackboard eraser Download PDFInfo
- Publication number
- CN2255370Y CN2255370Y CN 96217084 CN96217084U CN2255370Y CN 2255370 Y CN2255370 Y CN 2255370Y CN 96217084 CN96217084 CN 96217084 CN 96217084 U CN96217084 U CN 96217084U CN 2255370 Y CN2255370 Y CN 2255370Y
- Authority
- CN
- China
- Prior art keywords
- utility
- model
- blackboard eraser
- massage
- dust
- 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
Links
Landscapes
- Massaging Devices (AREA)
Abstract
The utility model relates to a closed dust-proof blackboard eraser. The utility model is composed of a casing and an eraser body. The casing is provided with a rear sealing cover. The eraser body is composed of a movable flat plate, a sponge soft body and a felt strip. Both ends of the surface of the casing are slanted plate surfaces, and both sides are massage plates with massage lines. The utility model has the advantage of simple structure. The utility model controls the dust to fly out of the blackboard eraser. Because of the massage lines, the utility model has the functions of massage and health care to hands when the blackboard is erased. The utility model is an ideal teaching aid.
Description
The utility model is a kind of sealed preventing dust blackboard eraser.
The present blackboard eraser that generally uses is not controlled the structure of dust, and dust from flying in the use influences environmental sanitation, and unfavorable teachers and students are healthy.In recent years several dust absorption blackboard erasers of Chu Xianing, because structure is complicated, performance is not too reliable, it is not too convenient to use, so fails so far generally to promote.
The purpose of this utility model provides a kind ofly can control dust, does not have the dust from flying phenomenon in the use and can play the dust-proof blackboard eraser of health care massage effect.
The technical solution of the utility model is: the sealed preventing dust blackboard eraser is made up of housing, rub body two parts, housing has rear seal-cover, be shaped on several grooves on the rear seal-cover, rub body is made up of treadmill, sponge software, felt bar, and the sponge software is bonded on the flat board, the felt bar is bonded on the sponge software, be shaped on left and right two air suction openings on the flat board, the rub body both sides are stained with sealing strip, and respectively there is an ash storage box on the left and right both sides of housing, the surface of shell two ends are inclined plate surface, and both sides are to have the massage plate of massaging line.
The utility model is simple in structure, has reached the control dust and has flown to outside the blackboard eraser, does not in use have the dustless purpose of dust from flying, has played the health care massage effect simultaneously.
Fig. 1 is the utility model structural representation.
The utility model is described in further detail below in conjunction with accompanying drawing:
The utility model housing is injection molded, groove on the rear seal-cover 10 is used for adorning chalk, bonding sponge software 11 on the treadmill of rub body, felt bar 1 is bonded on the sponge software 11, be shaped on left and right two air suction openings 4,5 on the flat board, rub body both sides adhering and sealing bar 2, housing the right and left respectively are shaped on ash storage box 8,9, the surface of shell two ends are inclined plate surface 7, and both sides are the massage plate 3 that is carved with the massage line.
During use, the direct contact plate face of sealing blackboard eraser, the sealing adhesive tape also operates wiping formula blackboard thereupon, and the sponge software absorbs dust when running, and staff is by play the health care massage effect simultaneously on the massage line.
Claims (1)
1, a kind of sealed preventing dust blackboard eraser, by housing, rub body two parts are formed, it is characterized in that housing has rear seal-cover (10), be shaped on several grooves (12) on the rear seal-cover (10), rub body is by treadmill, sponge software (11), felt bar (1) is formed, sponge software (11) is bonded on the flat board, felt bar (1) is bonded on the sponge software (11), be shaped on a left side on the flat board, right two air suction openings (4), (5), the rub body both sides are stained with sealing strip (2), a housing left side, respectively there is an ash storage box (8) on right both sides, (9), the surface of shell two ends are inclined plate surface (7), and both sides are to have the massage plate (3) of massaging line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96217084 CN2255370Y (en) | 1996-07-11 | 1996-07-11 | Closed dust-proof blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96217084 CN2255370Y (en) | 1996-07-11 | 1996-07-11 | Closed dust-proof blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2255370Y true CN2255370Y (en) | 1997-06-04 |
Family
ID=33898362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96217084 Expired - Fee Related CN2255370Y (en) | 1996-07-11 | 1996-07-11 | Closed dust-proof blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2255370Y (en) |
-
1996
- 1996-07-11 CN CN 96217084 patent/CN2255370Y/en not_active Expired - Fee Related
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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 |