CN201816361U - Multi-purpose chalk eraser - Google Patents
Multi-purpose chalk eraser Download PDFInfo
- Publication number
- CN201816361U CN201816361U CN2010205149611U CN201020514961U CN201816361U CN 201816361 U CN201816361 U CN 201816361U CN 2010205149611 U CN2010205149611 U CN 2010205149611U CN 201020514961 U CN201020514961 U CN 201020514961U CN 201816361 U CN201816361 U CN 201816361U
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- CN
- China
- Prior art keywords
- groove
- utility
- spring
- model
- box 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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- 210000003414 extremity Anatomy 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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- Drawing Aids And Blackboards (AREA)
Abstract
The utility model discloses a multi-purpose chalk eraser, belongs to the field of teaching tools and relates to improvement of a structure of the chalk eraser. The utility model provides the multi-purpose chalk eraser which can load chalks and is convenient for taking and placing. The multi-purpose chalk eraser comprises the chalk eraser, and the key points of the structure are as follows: a groove is arranged on the side of the chalk eraser, a sliding box body is arranged corresponding to the groove, the sliding box body is provided with a hanging ring and a spring at the inner side end of the groove, and the other end of the spring is connected with the inner wall of the groove; correspondingly, the hanging ring is provided with a hanging hook, and the upper end of the hanging hook is connected with a spring button arranged on the chalk eraser.
Description
Technical field
The utility model belongs to the teaching aid field, relates to the improvement of chalkboard eraser structure.
Background technology
Chalkboard eraser is the instrument that is used to wipe chalk writing, often uses in teaching.Teaching level and facility improve day by day, but the function singleness of chalkboard eraser is unfavorable for the development of imparting knowledge to students.
Summary of the invention
The utility model is exactly at the problems referred to above, provide a kind of load chalk and be convenient to pick and place use chalkboard eraser more.
For achieving the above object, the utility model adopts following technical scheme, the utility model comprises chalkboard eraser, its structural feature chalkboard eraser side is provided with groove, be provided with the slip box body corresponding to groove, slip box body groove medial extremity is provided with link and spring, and the spring other end links to each other with the groove inwall; Be provided with hook corresponding to described link, the spring button above linking up with the upper end and being arranged on chalkboard eraser links to each other.
As a kind of preferred version, spring described in the utility model is two.
As another kind of preferred version, hook front end face described in the utility model is the inclined-plane.
The utility model beneficial effect
1, can load chalk, be convenient to pick and place
The utility model chalkboard eraser side is provided with groove, is provided with the slip box body corresponding to groove, and slip box body groove medial extremity is provided with link and spring, and the spring other end links to each other with the groove inwall; Be provided with hook corresponding to described link, the spring button above linking up with the upper end and being arranged on chalkboard eraser links to each other; Chalk can be put in the slip box body, when need taking out, press the lower spring button, the ejection of slip box body just desirablely goes out chalk.
2, operate steadily
The utility model spring is two; Article two, spring can be symmetrically placed on the slip box body end face, and slip box body stress equalization is so the utility model operates steadily.
3, box body is regained conveniently
The utility model hook front end face is the inclined-plane; Push the slip box body it is regained, link contact with hook, and by the inclined-plane of hook front end, hook is easy to slip in the link, so the utility model box body when withdrawal is easy to operate.
Description of drawings
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.The utility model protection domain not only is confined to the statement of following content.
Fig. 1 is the utility model structural representation;
Fig. 2 is that the utility model slip box body skids off the groove schematic diagram;
Fig. 3 is the utility model outside drawing;
Among the figure, 1 be spring, 2 for hook, 3 for the spring button, 4 for the inclined-plane, 5 for link, 6 for chalkboard eraser, 7 for slip box body, 8 for groove.
The specific embodiment
As shown in the figure, the utility model comprises chalkboard eraser 6, and chalkboard eraser 6 sides are provided with groove 8, are provided with slip box body 7 corresponding to groove 8, and slip box body 7 grooves 8 medial extremitys are provided with link 5 and spring 1, and spring 1 other end links to each other with groove 8 inwalls; Be provided with hook 2 corresponding to described link 5, the spring button 3 above linking up with 2 upper ends and being arranged on chalkboard eraser 6 links to each other.
Described spring 1 is two; Slip box body 7 is operated steadily.
Described hook 2 front end faces are inclined-plane 4; Be convenient to link up with 2 and slip into link 5.
Below in conjunction with course of action of description of drawings the utility model
Press the utility model spring button 3, link 52 separates with hook, and under the effect of spring 1, slip box body 7 is ejected grooves 8, just desirablely goes out chalk; Push slip box body 7 in groove 8, slip box body 7 enters in the groove 8, and link 5 contact with hook 2 front end inclined-planes 4, links up with 2 and slips in the link 5 by inclined-plane 4.
Above content is to further describing that the utility model is done in conjunction with concrete preferred implementation; can not assert that concrete enforcement of the present utility model is confined to these explanations; for the utility model person of an ordinary skill in the technical field; under the prerequisite that does not break away from the utility model design; can also make some simple deduction or replace, all should be considered as belonging to the definite protection domain of claims that the utility model is submitted to.
Claims (3)
1. use chalkboard eraser more, comprise chalkboard eraser (6), it is characterized in that chalkboard eraser (6) middle part is provided with groove (8), be provided with slip box body (7) corresponding to groove (8), slip box body (7) groove (8) medial extremity is provided with link (5) and spring (1), and spring (1) other end links to each other with groove (8) inwall; Be provided with hook (2) corresponding to described link (5), hook (2) the upper end spring button (3) top with being arranged on chalkboard eraser (6) links to each other.
2. use chalkboard eraser according to claim 1 is described more, it is characterized in that described spring (1) is two.
3. use chalkboard eraser according to claim 1 is described more, it is characterized in that described hook (2) front end face is inclined-plane (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205149611U CN201816361U (en) | 2010-09-02 | 2010-09-02 | Multi-purpose chalk eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205149611U CN201816361U (en) | 2010-09-02 | 2010-09-02 | Multi-purpose chalk eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201816361U true CN201816361U (en) | 2011-05-04 |
Family
ID=43914326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205149611U Expired - Fee Related CN201816361U (en) | 2010-09-02 | 2010-09-02 | Multi-purpose chalk eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201816361U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106723757A (en) * | 2017-02-22 | 2017-05-31 | 常州信息职业技术学院 | A kind of medication alert crutch |
| CN108379071A (en) * | 2018-03-09 | 2018-08-10 | 镇江市高等专科学校 | A kind of medical medicine box convenient for picking and placeing |
-
2010
- 2010-09-02 CN CN2010205149611U patent/CN201816361U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106723757A (en) * | 2017-02-22 | 2017-05-31 | 常州信息职业技术学院 | A kind of medication alert crutch |
| CN108379071A (en) * | 2018-03-09 | 2018-08-10 | 镇江市高等专科学校 | A kind of medical medicine box convenient for picking and placeing |
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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: 20110504 Termination date: 20110902 |