CN203110721U - Dustproof blackboard eraser box - Google Patents
Dustproof blackboard eraser box Download PDFInfo
- Publication number
- CN203110721U CN203110721U CN 201220724134 CN201220724134U CN203110721U CN 203110721 U CN203110721 U CN 203110721U CN 201220724134 CN201220724134 CN 201220724134 CN 201220724134 U CN201220724134 U CN 201220724134U CN 203110721 U CN203110721 U CN 203110721U
- Authority
- CN
- China
- Prior art keywords
- box body
- blackboard eraser
- dust
- box
- sidewall
- 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
- Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
Abstract
The utility model discloses a dustproof blackboard eraser box, comprising a box body. The dustproof blackboard eraser box is characterized in that the bottom surface of the box body is provided with an opening; bolts are arranged on the side walls and the top surface of the box body in a penetration way; screw parts of the bolts stretch into the box body; and the lower parts of the side walls of the box body are provided with one circle of dust separation blade. The dustproof blackboard eraser box provided by the utility model is simple in structure; by the adoption of the dustproof blackboard eraser box, the flying dust can be reduced greatly; and therefore, the damage of the dust to teachers and students is decreased greatly.
Description
Technical field
The utility model belongs to the assistant product technical field of writing or draw, and specifically, relates to a kind of dust-proof blackboard eraser box.
Background technology
At present, there are many drawbacks in the blackboard that uses in the teaching: blackboard wiping is generally during after class, because time compactness, many students or teacher be wiping rapidly, and in rapid wiping process, the amplitude of wiping is big, causes dust to fly upward everywhere, contaminated air endangers the healthy of Faculty and Students.
Prior art shortcoming: blackboard eraser blackboard wiping, dust from flying, contaminated air, health risk.
Summary of the invention
For solving above technical problem, the purpose of this utility model is to provide a kind of dust-proof blackboard eraser box that reduces dust from flying.
The utility model purpose is achieved in that
A kind of dust-proof blackboard eraser box comprises box body, and its key is: described box bottom is uncovered, all is equipped with bolt at sidewall and the end face of this box body, and the screw portion of described bolt stretches in the described box body, and the lower sidewall of described box body is provided with a circle dust catch.Adopt said structure, blackboard eraser is put into the blackboard eraser box from opening, by the bolt of box side wall and end face blackboard eraser is fixed then, and make and leave certain clearance between box body and the blackboard eraser, the dust catch can be with most dust in blackboard wiping, and enters in the gap between box body and the blackboard eraser and store.
Above-mentioned box side wall and end face are equipped with screw, and described bolt and described screw pass through threaded engagement.Adopt said structure, bolt thread cooperates rotation to fix the blackboard eraser of box body inside, and forms certain interval.
Above-mentioned dust catch and described box side wall clamping, described dust catch comprises flexible glue skin and flexible cloth, described flexible glue skin one end and described box side wall clamping, the other end is fixedlyed connected with described flexible cloth, and the uncovered of described box body stretched out in the end end that described flexible glue skin is connected with flexible cloth.Adopt said structure, the flexible glue leatherware is flexible to be contacted with blackboard, forms semi-enclosed chamber, and the flexible cloth that is provided with can reduce the frictional force of flexible glue skin and blackboard, as much as possible dust is stored.
Beneficial effect:
The utility model is a kind of dust-proof blackboard eraser box, and is simple in structure, can reduce dust from flying in a large number, greatly reduces dust to the harm of Faculty and Students.
Description of drawings
Fig. 1 is the utility model structural representation.
The specific embodiment
The utility model is described in further detail below in conjunction with drawings and Examples:
Please refer to shown in Figure 1: a kind of dust-proof blackboard eraser box, comprise box body 1, described box body 1 bottom surface is uncovered, sidewall and end face at this box body 1 all are equipped with bolt 2, described box body 1 sidewall and the equal correspondence of end face are provided with screw, described bolt 2 passes through threaded engagement with described screw, the screw portion of described bolt 2 stretches in the described box body 1, the lower sidewall of described box body 1 is provided with a circle dust catch 3, described dust catch 3 and described box body 1 sidewall clamping, described dust catch 3 comprises flexible glue skin 3a and flexible cloth 3b, described flexible glue skin 3a one end and the 1 sidewall clamping of described box body, the other end is fixedlyed connected with described flexible cloth 3b, and the uncovered of described box body 1 stretched out in the end end that described flexible glue skin 3a is connected with flexible cloth 3b.
Although below by reference to the accompanying drawings preferred embodiment of the present utility model is described; but the utility model is not limited to the above-mentioned specific embodiment; the above-mentioned specific embodiment only is schematic rather than determinate; those of ordinary skill in the art is under enlightenment of the present utility model; under the prerequisite of the utility model aim and claim; can make multiple similar expression, all fall in the protection domain of the present utility model as the conversion of making material etc. of: catch.
Claims (3)
1. dust-proof blackboard eraser box, comprise box body (1), it is characterized in that: described box body (1) bottom surface is uncovered, sidewall and end face at this box body (1) all are equipped with bolt (2), the screw portion of described bolt (2) stretches in the described box body (1), and the lower sidewall of described box body (1) is provided with a circle dust catch (3).
2. according to the described dust-proof blackboard eraser box of claim 1, it is characterized in that: described box body (1) sidewall and end face are equipped with screw, and described bolt (2) passes through threaded engagement with described screw.
3. according to claim 1 or 2 described dust-proof blackboard eraser boxes, it is characterized in that: described dust catch (3) and described box body (1) sidewall clamping, described dust catch (3) comprises flexible glue skin (3a) and flexible cloth (3b), described flexible glue skin (3a) end and described box body (1) sidewall clamping, the other end is fixedlyed connected with described flexible cloth (3b), and the uncovered of described box body (1) stretched out in the end end that described flexible glue skin (3a) is connected with flexible cloth (3b).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220724134 CN203110721U (en) | 2012-12-25 | 2012-12-25 | Dustproof blackboard eraser box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220724134 CN203110721U (en) | 2012-12-25 | 2012-12-25 | Dustproof blackboard eraser box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203110721U true CN203110721U (en) | 2013-08-07 |
Family
ID=48891097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220724134 Expired - Fee Related CN203110721U (en) | 2012-12-25 | 2012-12-25 | Dustproof blackboard eraser box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203110721U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108749423A (en) * | 2018-06-06 | 2018-11-06 | 南京机电职业技术学院 | A kind of electric dust absorption blackboard eraser |
-
2012
- 2012-12-25 CN CN 201220724134 patent/CN203110721U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108749423A (en) * | 2018-06-06 | 2018-11-06 | 南京机电职业技术学院 | A kind of electric dust absorption blackboard eraser |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130807 Termination date: 20131225 |