CN203198536U - Trapezoidal blackboard eraser - Google Patents
Trapezoidal blackboard eraser Download PDFInfo
- Publication number
- CN203198536U CN203198536U CN 201320154056 CN201320154056U CN203198536U CN 203198536 U CN203198536 U CN 203198536U CN 201320154056 CN201320154056 CN 201320154056 CN 201320154056 U CN201320154056 U CN 201320154056U CN 203198536 U CN203198536 U CN 203198536U
- Authority
- CN
- China
- Prior art keywords
- blackboard eraser
- trapezoidal
- bristle
- blackboard
- rag
- 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
Abstract
The utility model provides a trapezoidal blackboard eraser which comprises a blackboard eraser body, a cleaning cloth and bristles, wherein the cleaning cloth and the bristles are arranged at the lower end of the blackboard eraser body. The cleaning cloth is arranged at the front end of the bristles. The cleaning cloth and the bristles are located in the same height. The cross section of the blackboard eraser body is trapezoidal. A handle is arranged at one side of the blackboard eraser body. A groove is formed in the blackboard eraser body. According to the cleaning cloth and the bristles arranged at the lower end of the blackboard eraser body, a blackboard can be wiped through the bristles for the first time and through the cleaning cloth for the second time, and therefore the problem that the blackboard can not be wiped cleanly is effectively solved.
Description
Technical field
The utility model relates to teaching aid, particularly a kind of trapezoidal blackboard eraser.
Background technology
Blackboard eraser is one of requisite instrument of blackboard wiping, but existing blackboard eraser function singleness can not satisfy user's demand, in order to make the blackboard eraser wiped clean, after font on the blackboard need to being wiped out, use the rag wiping second time, in order to write next time, the user needs two kinds of different burnishers so again, make troubles to the user, common blackboard eraser is not placed the place of chalk, usually runs back and forth the time of waste study when the teacher takes chalk.
Summary of the invention
For addressing the above problem, the utility model discloses a kind of trapezoidal blackboard eraser, be arranged on rag and the bristle of blackboard eraser main body lower end, can be first with blackboard bristle wiping one time, use again the rag wiping second time, can effectively solve the sordid problem of blackboard-cleaning, the setting of blackboard eraser upper groove makes things convenient for fixing of chalk and taking of user.
The utility model provides a kind of trapezoidal blackboard eraser, described trapezoidal blackboard eraser comprises the blackboard eraser main body, and the rag and the bristle that are arranged on blackboard eraser main body lower end, described rag is arranged on the bristle front end, described rag and bristle are in sustained height, the cross section of described blackboard eraser main body is trapezoidal, is provided with handle in a side of blackboard eraser main body, and the blackboard eraser main body is provided with groove.The purpose of this utility model designs a kind of trapezoidal blackboard eraser, be arranged on rag and the bristle of blackboard eraser main body lower end, can be first with blackboard bristle wiping one time, use again the rag wiping second time, can effectively solve the sordid problem of blackboard-cleaning, this utility model is simple in structure, reasonable in design, and low cost of manufacture.
The utility model discloses a kind of a kind of improvement of trapezoidal blackboard eraser, described groove is symmetrical arranged up and down, and groove is the even number setting.This improvement is symmetrical arranged groove up and down, and effectively fixing chalk is convenient to taking of user.
The utility model discloses a kind of a kind of improvement of trapezoidal blackboard eraser, described rag and bristle are all detachable, the rectangular setting of described bristle, and spaced set.This improvement rag and bristle are all detachable, the rag after the wiping and bristle can be cleaned, and reuse, and wiping are effective.
The purpose of this utility model designs a kind of trapezoidal blackboard eraser, be arranged on rag and the bristle of blackboard eraser main body lower end, can be first with blackboard bristle wiping one time, use again the rag wiping second time, can effectively solve the sordid problem of blackboard-cleaning, the setting of blackboard eraser upper groove makes things convenient for fixing of chalk and taking of user, this utility model is simple in structure, reasonable in design, and low cost of manufacture.
Description of drawings
Fig. 1, be a kind of structural representation of trapezoidal blackboard eraser.
Reference numerals list:
11, blackboard eraser main body;
21, rag;
31, bristle;
41, groove;
51, handle.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, further illustrate the utility model, should understand the following specific embodiment and only be used for explanation the utility model and be not used in restriction scope of the present utility model.Need to prove, word 'fornt', 'back', " left side ", " right side ", "up" and "down" that use is described below refer to the direction in the accompanying drawing, word " interior " and " outward " refer to respectively towards or away from the direction of particular elements geometric center.
Embodiment 1:
As shown in Figure 1, the utility model provides a kind of trapezoidal blackboard eraser, described trapezoidal blackboard eraser comprises blackboard eraser main body 11, and the rag 21 and the bristle 31 that are arranged on blackboard eraser main body 11 lower ends, described rag 21 is arranged on bristle 31 front ends, and described rag 21 and bristle 31 are in sustained height, and the cross section of described blackboard eraser main body 11 is trapezoidal, side in blackboard eraser main body 11 is provided with handle 51, and blackboard eraser main body 11 is provided with groove 41.The purpose of this utility model designs a kind of trapezoidal blackboard eraser, be arranged on rag and the bristle of blackboard eraser main body lower end, can be first with blackboard bristle wiping one time, use again the rag wiping second time, can effectively solve the sordid problem of blackboard-cleaning, this utility model is simple in structure, reasonable in design, and low cost of manufacture.
Embodiment 2:
Embodiment 1 described a kind of trapezoidal blackboard eraser, described groove 41 is symmetrical arranged up and down, and groove 41 is the even number setting.This improvement is symmetrical arranged groove up and down, and effectively fixing chalk is convenient to taking of user.
Embodiment 3:
Embodiment 1 described a kind of trapezoidal blackboard eraser, described rag 21 and bristle 31 are all detachable, described bristle 31 rectangular settings, and spaced set.This improvement rag and bristle are all detachable, the rag after the wiping and bristle can be cleaned, and reuse, and wiping are effective.
The purpose of this utility model designs a kind of trapezoidal blackboard eraser, be arranged on rag and the bristle of blackboard eraser main body lower end, can be first with blackboard bristle wiping one time, use again the rag wiping second time, can effectively solve the sordid problem of blackboard-cleaning, the setting of blackboard eraser upper groove makes things convenient for fixing of chalk and taking of user, this utility model is simple in structure, reasonable in design, and low cost of manufacture.
The above; it only is preferred embodiment of the present utility model; be not to be the restriction of the utility model being made any other form, and according to any modification or equivalent variations that technical spirit of the present utility model is done, still belong to the utility model scope required for protection.
Claims (3)
1. trapezoidal blackboard eraser, it is characterized in that: described trapezoidal blackboard eraser comprises blackboard eraser main body (11), and the rag (21) and the bristle (31) that are arranged on blackboard eraser main body (11) lower end, described rag (21) is arranged on bristle (31) front end, described rag (21) and bristle (31) are in sustained height, the cross section of described blackboard eraser main body (11) is trapezoidal, is provided with handle (51) in a side of blackboard eraser main body (11), and blackboard eraser main body (11) is provided with groove (41).
2. a kind of trapezoidal blackboard eraser according to claim 1, it is characterized in that: described groove (41) is symmetrical arranged up and down, and groove (41) is the even number setting.
3. a kind of trapezoidal blackboard eraser according to claim 1, it is characterized in that: described rag (21) and bristle (31) are all detachable, the rectangular setting of described bristle (31), and spaced set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320154056 CN203198536U (en) | 2013-04-01 | 2013-04-01 | Trapezoidal blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320154056 CN203198536U (en) | 2013-04-01 | 2013-04-01 | Trapezoidal blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203198536U true CN203198536U (en) | 2013-09-18 |
Family
ID=49142673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320154056 Expired - Fee Related CN203198536U (en) | 2013-04-01 | 2013-04-01 | Trapezoidal blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203198536U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106114017A (en) * | 2016-09-13 | 2016-11-16 | 南宁市远才教育咨询有限公司 | A kind of high-efficiency cleaning blackboard eraser |
| CN106346997A (en) * | 2016-09-13 | 2017-01-25 | 南宁市远才教育咨询有限公司 | Water-spraying-type dustproof blackboard eraser |
-
2013
- 2013-04-01 CN CN 201320154056 patent/CN203198536U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106114017A (en) * | 2016-09-13 | 2016-11-16 | 南宁市远才教育咨询有限公司 | A kind of high-efficiency cleaning blackboard eraser |
| CN106346997A (en) * | 2016-09-13 | 2017-01-25 | 南宁市远才教育咨询有限公司 | Water-spraying-type dustproof 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: 20130918 Termination date: 20140401 |