CN205185675U - Dustproof blackboard eraser - Google Patents
Dustproof blackboard eraser Download PDFInfo
- Publication number
- CN205185675U CN205185675U CN201520927846.XU CN201520927846U CN205185675U CN 205185675 U CN205185675 U CN 205185675U CN 201520927846 U CN201520927846 U CN 201520927846U CN 205185675 U CN205185675 U CN 205185675U
- Authority
- CN
- China
- Prior art keywords
- dust
- depression bar
- plate body
- spring
- blackboard eraser
- 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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- Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
Abstract
The utility model relates to a dustproof blackboard eraser, it includes, (2) are wiped, handle (3), dust guard (4), depression bar (5), first spring (6), second spring (7) in plate body (1), wherein, plate body (1) is the flat cuboid, it sets up in plate body (1) bottom to wipe (2), handle (3) set up at plate body (1) top, dust guard (4) set up at the inside edge of plate body (1), depression bar (5) are " U " type body, handle (9) and dust guard (4) fixed connection are passed in depression bar (5), first spring (6), second spring (7) set up the shank in depression bar (5). The utility model discloses set up the dust guard around the blackboard eraser, it is dustproof effectual, can avoid the dust in a confused state of mind to waft completely to the healthy hidden danger that causes to teachers and students.
Description
Technical field
The utility model relates to teaching aid field, is specially dust-proof blackboard eraser.
Background technology
The letter written with chalk that blackboard eraser is write on erasing blackboard, but in the process of wiping, chalk powder aloft flies disorderly to fly, may by neighbouring people's inspiration lung, chalk powder is through a series of stimulation, the effect of chemistry and immunity just can cause lung to lose, comprise inflammation in respiratory system and pulmonary ventilation function decline, containing silica in chalk dust, be inhaled into lung, the dioxide-containing silica dissociated in lung forms the dust of pulmonary fibrosis more than one of percentage, thus make alveolar fibrosis, lung's respiratory function is caused to decline, common PUD D has: chronic, acute pneumonia, lung cancer, pneumoconiosis etc.
Prior art Armguard dustproof blackboard wiper (CN201020560643.9), mainly contains hand guard glove, blackboard eraser shell and wiper composition; This Armguard dustproof blackboard wiper has an oval blackboard eraser shell, blackboard eraser outer casing bottom is fixedly connected with wiper, hand guard glove is arranged on blackboard eraser shell edge by junction button, is provided with elastic cord at hand guard glove opening part, openings of sizes with make hand guard glove not easily from hand or arm come off and be as the criterion, during use, hand puts hand guard glove into, and tension hand guard glove, can play the effect that handguard is dust-proof, untie junction button, conveniently clean hand guard glove; Changing Armguard dustproof blackboard wiper not only can prevent dust adhering to hand with on sleeve, can also in time cleaning hand guard glove or long jacket casing, and oval blackboard eraser shell uses and has feel very much.
Another prior art dust-proof blackboard eraser (CN200420110283.7), comprise blackboard eraser, overhead gage, lower baffle plate and dust stratification bag, at the two ends of blackboard eraser, overhead gage and lower baffle plate are housed, be made up of transparent material, do not affect sight line in use, chalk dust can be blocked again, a dust stratification bag is connected in the lower end of blackboard eraser, the other end of dust stratification bag is connected with lower baffle plate, when mobile wiping is grey on blackboard for blackboard eraser, dust is taken advantage of a situation and is fallen into dust stratification bag, and dust can gather by dust stratification bag, focuses on when quantity is more; The dust-proof blackboard eraser that the utility model provides, structure is simple, easy to use, better lowly prevents air pollution, keeps surrounding environment health, is beneficial to again the healthy of teachers and students.
The dust-proof effect of prior art is not very understood, and the dust suction when erasing the board is thorough not, still can not avoid the impact that dust is healthy on teachers and students.
Utility model content
The utility model provides dust-proof blackboard eraser, and utilize when erasing the board dust excluding plate to stop dust and fly away in air, the utility model fundamentally can stop dust completely, avoids dust to affect the healthy of teachers and students with this.
To achieve these goals, the utility model by the following technical solutions
Dust-proof blackboard eraser, it comprises, plate body 1, wipes part 2, handle 3, dust excluding plate 4, depression bar 5, the first spring 6, second spring 7.
Described plate body 1 is flat cuboid, described wiping part 2 is arranged on bottom plate body 1, described handle 3 is arranged on plate body 1 top, described dust excluding plate 4 is arranged on plate body 1 internal edge, described depression bar 5 is " U " type body, described depression bar 5 is fixedly connected with dust excluding plate 4 through handle 3, and described first spring 6, second spring 7 is arranged on the leg of depression bar 5.
Described dust excluding plate 4 is the cuboid of middle hollow out, and the side of described dust excluding plate 4 is attached with hard cotton.
During use, hold handle 3 and depression bar 5, depression bar 5 is and handle 3 is incorporated into together, and the spring of depression bar 5 leg is compressed, and the dust excluding plate that depression bar 5 leg controls to wipe part 2 inside is extruded out, and powder can be stoped in the process of erasing the board by people's inspiration lung.
The beneficial effects of the utility model are: the utility model is provided with handle on blackboard eraser, the gripping that Convenient blackboard is wiped, and use more convenient; The utility model arranges dust excluding plate around blackboard eraser, good dustproof effect, dust can be avoided completely disorderly to waft, thus cause a hidden trouble to the healthy of teachers and students; The utility model structure is simple, is convenient to batch production, can promotes the use of fast.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
The utility model provides dust-proof blackboard eraser, and utilize when erasing the board dust excluding plate to stop dust and fly away in air, the utility model fundamentally can stop dust completely, avoids dust to affect the healthy of teachers and students with this.
To achieve these goals, the utility model by the following technical solutions
Dust-proof blackboard eraser, it comprises, plate body 1, wipes part 2, handle 3, dust excluding plate 4, depression bar 5, the first spring 6, second spring 7.
Described plate body 1 is flat cuboid, described wiping part 2 is arranged on bottom plate body 1, described handle 3 is arranged on plate body 1 top, described dust excluding plate 4 is arranged on plate body 1 internal edge, described depression bar 5 is " U " type body, described depression bar 5 is fixedly connected with dust excluding plate 4 through handle 3, and described first spring 6, second spring 7 is arranged on the leg of depression bar 5.
Described dust excluding plate 4 is the cuboid of middle hollow out, and the side of described dust excluding plate 4 is attached with hard cotton.
During use, hold handle 3 and depression bar 5, depression bar 5 is and handle 3 is incorporated into together, and the spring of depression bar 5 leg is compressed, and the dust excluding plate that depression bar 5 leg controls to wipe part 2 inside is extruded out, and powder can be stoped in the process of erasing the board by people's inspiration lung.
Below in conjunction with drawings and Examples, the utility model is described in further detail
In Fig. 1,1-plate body, 2-wipes part, 3-handle, 4-dust excluding plate, 5-depression bar, 6-first spring, 7-second spring.
As shown in Figure 1, described plate body 1 is flat cuboid, described wiping part 2 is arranged on bottom plate body 1, described handle 3 is arranged on plate body 1 top, described dust excluding plate 4 is arranged on plate body 1 internal edge, described depression bar 5 is " U " type body, and described depression bar 5 is fixedly connected with dust excluding plate 4 through handle 3, and described first spring 6, second spring 7 is arranged on the leg of depression bar 5.
Described dust excluding plate 4 is the cuboid of middle hollow out, and the side of described dust excluding plate 4 is attached with hard cotton.
Embodiment
During use, hold handle 3 and depression bar 5, depression bar 5 is and handle 3 is incorporated into together, and the spring of depression bar 5 leg is compressed, and the dust excluding plate that depression bar 5 leg controls to wipe part 2 inside is extruded out, and powder can be stoped in the process of erasing the board by people's inspiration lung.
What finally illustrate is, above embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, other amendments that those of ordinary skill in the art make the technical solution of the utility model or equivalently to replace, only otherwise depart from the spirit and scope of technical solutions of the utility model, all should be encompassed in the middle of right of the present utility model.
Claims (2)
1. dust-proof blackboard eraser, is characterized in that, it comprises, plate body (1), wipes part (2), handle (3), dust excluding plate (4), depression bar (5), the first spring (6), the second spring (7); Wherein, described plate body (1) is flat cuboid, described wiping part (2) is arranged on plate body (1) bottom, described handle (3) is arranged on plate body (1) top, described dust excluding plate (4) is arranged on plate body (1) internal edge, described depression bar (5) is " U " type body, and described depression bar (5) is fixedly connected with dust excluding plate (4) through handle (3), and described first spring (6), the second spring (7) are arranged on the leg of depression bar (5).
2. dust-proof blackboard eraser according to claim 1, is characterized in that, the cuboid that described dust excluding plate (4) is middle hollow out, and the side of described dust excluding plate (4) is attached with hard cotton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520927846.XU CN205185675U (en) | 2015-11-20 | 2015-11-20 | Dustproof blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520927846.XU CN205185675U (en) | 2015-11-20 | 2015-11-20 | Dustproof blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205185675U true CN205185675U (en) | 2016-04-27 |
Family
ID=55778703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520927846.XU Expired - Fee Related CN205185675U (en) | 2015-11-20 | 2015-11-20 | Dustproof blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205185675U (en) |
-
2015
- 2015-11-20 CN CN201520927846.XU patent/CN205185675U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160427 Termination date: 20171120 |