CN202413180U - Blackboard eraser - Google Patents
Blackboard eraser Download PDFInfo
- Publication number
- CN202413180U CN202413180U CN2011205157824U CN201120515782U CN202413180U CN 202413180 U CN202413180 U CN 202413180U CN 2011205157824 U CN2011205157824 U CN 2011205157824U CN 201120515782 U CN201120515782 U CN 201120515782U CN 202413180 U CN202413180 U CN 202413180U
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- CN
- China
- Prior art keywords
- blackboard eraser
- cavity
- pores
- hole
- plate body
- 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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Abstract
The utility model discloses a blackboard eraser, which comprises a board provided with a rectangular groove and a fixing board for arrangement of bristles. The fixing board is uniformly provided with a plurality of pores and arranged in the rectangular groove, and the fixing board and the rectangular groove form a cavity which is communicated with the pores. The edge of the rectangular groove is provided with a through hole which is communicated with the cavity and provided with an ear washing ball. By means of a structural mode that the cavity and the pores are combined, when a great amount of chalk dust is contained among the bristles in use of the blackboard eraser, a user can put the ear washing ball at the through hole to blow into the cavity, so that the chalk dust among the bristles can be blown off, erasing efficiency of the blackboard eraser is improved, and operation of the user is facilitated.
Description
Technical field
The utility model relates to a kind of stationery, relates in particular to a kind of blackboard eraser.
Background technology
In most of primary school campus; Especially the relatively backward school of hardware facility, usefulness be prevailing a kind of blackboard, ordinary blackboard eraser can make a large amount of chalks bits drop on the user on hand in use; Especially now there is very big deficiency in the blackboard eraser that uses; Time has been grown chalk powder and has accumulated in a large number between the blackboard eraser clinking, has reduced the wiping efficient of blackboard eraser, brings inconvenience to the user.This shows that prior art needs further improvement and develops.
The utility model content
The utility model provides a kind of blackboard eraser for solving above-mentioned defective of the prior art, and is to improve the wiping efficient of blackboard eraser, user-friendly.
For solving the problems of the technologies described above, the utility model scheme comprises:
A kind of blackboard eraser, it comprises plate body, wherein, this plate body is provided with a rectangular recess, this plate body dispose one be used to be provided with bristle fixed head, evenly be provided with a plurality of pores on this fixed head; Fixed head is arranged in the rectangular recess, and fixed head and rectangular recess form a cavity, and this cavity is connected with a plurality of pores; The arris of this rectangular recess is provided with a through hole, and this through hole is connected with cavity, and this through hole disposes an ear washing bulb.
Described blackboard eraser, wherein, above-mentioned plate body outer surface is provided with the anti-skidding line of waveform.
A kind of blackboard eraser that the utility model provides; Adopt cavity and pore structure combining mode, in the process of using blackboard eraser, be contained with a large amount of chalk powders between the bristle and make; The user can be placed on through hole with ear washing bulb and go out in cavity to blow; Chalk powder between the bristle is blown off, improved the wiping efficient of blackboard eraser, made things convenient for user's operation.
Description of drawings
Fig. 1 is the fractionation structural representation sketch of blackboard eraser in the utility model.
The specific embodiment
The utility model provides a kind of blackboard eraser, and is as shown in Figure 1, and it comprises plate body 1, and this plate body 1 is provided with a rectangular recess 2, this plate body 1 dispose one be used to be provided with bristle 4 fixed head 3, evenly be provided with a plurality of pores 5 on this fixed head 3; Fixed head 3 is arranged in the rectangular recess 2, and fixed head 3 forms a cavity with rectangular recess 2, and this cavity is connected with a plurality of pores 5; The arris of this rectangular recess 2 is provided with a through hole 6, and this through hole 6 is connected with cavity, and this through hole 6 disposes an ear washing bulb 7.And plate body 1 outer surface is provided with the anti-skidding line of waveform, has made things convenient for user's operation.
Certainly, above-mentioned explanation is not to be the restriction to the utility model, and variation, remodeling, interpolation or replacement that the technical staff in present technique field is made in the essential scope of the utility model also should belong to the protection domain of the utility model.
Claims (2)
1. blackboard eraser, it comprises plate body, it is characterized in that: this plate body is provided with a rectangular recess, this plate body dispose one be used to be provided with bristle fixed head, evenly be provided with a plurality of pores on this fixed head; Fixed head is arranged in the rectangular recess, and fixed head and rectangular recess form a cavity, and this cavity is connected with a plurality of pores; The arris of this rectangular recess is provided with a through hole, and this through hole is connected with cavity, and this through hole disposes an ear washing bulb.
2. blackboard eraser according to claim 1 is characterized in that: above-mentioned plate body outer surface is provided with the anti-skidding line of waveform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205157824U CN202413180U (en) | 2011-12-12 | 2011-12-12 | Blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205157824U CN202413180U (en) | 2011-12-12 | 2011-12-12 | Blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202413180U true CN202413180U (en) | 2012-09-05 |
Family
ID=46737968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205157824U Expired - Fee Related CN202413180U (en) | 2011-12-12 | 2011-12-12 | Blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202413180U (en) |
-
2011
- 2011-12-12 CN CN2011205157824U patent/CN202413180U/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 | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120905 Termination date: 20121212 |