CN201646086U - Chalk sleeve - Google Patents
Chalk sleeve Download PDFInfo
- Publication number
- CN201646086U CN201646086U CN2010201774100U CN201020177410U CN201646086U CN 201646086 U CN201646086 U CN 201646086U CN 2010201774100 U CN2010201774100 U CN 2010201774100U CN 201020177410 U CN201020177410 U CN 201020177410U CN 201646086 U CN201646086 U CN 201646086U
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- CN
- China
- Prior art keywords
- sleeve
- chalk
- fishbolt
- clamping device
- block
- 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 relates to a chalk sleeve, which comprises a sleeve, wherein a push plate is arranged in the sleeve, a spring is arranged between the push plate and the closed end of the sleeve, a positioning plate is arranged at the open end of the sleeve, a positioning hole is arranged on the positioning plate, and a clamping device capable of clamping a chalk is also arranged at the open end of the sleeve; when in use, the chalk is inserted from the positioning hole and clamped through the clamping device after the exposed length of the exposed end of the chalk is adjusted; in the use process, the exposed length of the exposed end of the chalk can be adjusted through the clamping device, the chalk is not easy to break when in writing, and the full use of the chalk can be realized; a laser is arranged at the closed end of the sleeve, and the laser emitted by the laser is used for replacing a ferule, thereby the problem that a teacher uses the chalk and then uses the ferule in the teaching process is solved, and the teaching efficiency is improved; and the chalk sleeve has simple structure and convenient use.
Description
Technical field
The utility model relates to a kind of teaching aid, specifically, relates to a kind of chalk sleeve.
Background technology
At present, the domestic means such as use multimedia that realized except that the part developed regions are carried out the informationization teaching, most areas are not because economic these restraining factors also change traditional teaching pattern so far, school teacher is at school the time, need on blackboard, write the content of courses with chalk, therefore the usage quantity of chalk is huge, and the mode of using chalk now is for writing on the blackboard with hand-held being held in, in writing process, if write firmly excessive, chalk not only fractures easily, can not re-use after chalk fractures, and the minimum length available of chalk is big, when the use length of chalk has just used during less than 2 centimetres inconvenient, and chalk dust is easy to be stained with hand, also exists the teacher to use up the loaded down with trivial details problem that chalk removes to use instead teacher's pointer simultaneously, so not only wasted chalk but also reduced teacher's classroom efficiency.
The utility model content
Problem to be solved in the utility model is at above problem, provides a kind of simple in structure, easy to use, not frangibility, chalk sleeve that chalk fully is used of chalk when writing.
For addressing the above problem, the technical scheme that the utility model adopted is: a kind of chalk sleeve, comprise sleeve, be provided with push pedal in the described sleeve, be provided with spring between the blind end of described push pedal and sleeve, the openend of described sleeve is provided with location-plate, and described location-plate is provided with locating hole, and the openend of described sleeve also is provided with the clamping device that chalk can be clamped.
A kind of concrete prioritization scheme, described clamping device comprises fixedly fixture block, movable clip block and fishbolt, described fixedly fixture block is fixedly connected on the inwall of sleeve, described fishbolt is connected with bush whorl, one end of described fishbolt is positioned at the outside of sleeve, and the sleeve wall that the other end of described fishbolt passes sleeve is fixedlyed connected with movable clip block.
A kind of concrete prioritization scheme, the blind end of described sleeve is provided with laser instrument.
A kind of concrete prioritization scheme, the outer circle wall of the blind end of described sleeve is provided with clip.
A kind of concrete prioritization scheme, the openend of described sleeve is provided with block.
A kind of concrete prioritization scheme, described push pedal is provided with detent.
The utility model is taked above technical scheme, has the following advantages: in use, chalk is inserted from locating hole, make and insert the detent that an end is positioned at push pedal, after adjusting the exposed length of chalk bared end, the rotation fishbolt is by fixedly fixture block and movable clip block clamp chalk, in use, can rotate fishbolt, movable clamp is unclamped, adjust the exposed length of chalk bared end, chalk frangibility not when writing, and can realize the abundant use of chalk; The blind end of sleeve is provided with laser instrument, and the laser that uses laser instrument to send replaces teacher's pointer, has solved in teaching process teacher and has used the problem of removing to use instead teacher's pointer behind the chalk again, has improved efficiency of teaching; This chalk sleeve is simple in structure, easy to use.
The utility model is described in further detail below in conjunction with drawings and Examples.
Description of drawings
Accompanying drawing is the structural representation of a kind of chalk sleeve among the utility model embodiment.
Among the figure:
The 1-block; The 2-movable clip block; The 3-fishbolt; The 4-location-plate; The 5-locating hole; The 6-sleeve; The 7-clip; The 8-switch; The 9-laser instrument; The 10-spring; The 11-push pedal; The 12-detent; The 13-clamping hole; 14-is fixture block fixedly.
The specific embodiment
Embodiment: as shown in drawings, a kind of chalk sleeve, comprise sleeve 6, be provided with push pedal 11 in the sleeve 6, push pedal 11 is provided with detent 12, is provided with spring 10 between the blind end of push pedal 11 and sleeve 6, and the openend of sleeve 6 is provided with location-plate 4, location-plate 4 is provided with locating hole 5, and the openend of sleeve 6 also is provided with the clamping device that chalk can be clamped.
Clamping device comprises fixedly fixture block 14, movable clip block 2 and fishbolt 3, fixedly has clamping hole 13 between fixture block 14 and the movable clip block 2, fixedly fixture block 14 is fixedly connected on the inwall of sleeve 6, fishbolt 3 is threaded with sleeve 6, one end of fishbolt 3 is positioned at the outside of sleeve 6, and the sleeve wall that the other end of fishbolt 3 passes sleeve 6 is fixedlyed connected with movable clip block 2.
The blind end of sleeve 6 is provided with laser instrument 9, and laser instrument 9 is provided with switch 8, and the laser that laser instrument 9 produces can replace teacher's pointer to use.
The outer circle wall of the blind end of sleeve 6 is provided with clip 7, is convenient to carrying of chalk sleeve, and the openend of sleeve 6 is provided with block 1, and block 1 can be protected the chalk that is positioned at sleeve 6 outsides.
Claims (6)
1. chalk sleeve, comprise sleeve (6), be provided with push pedal (11) in the described sleeve (6), be provided with spring (10) between the blind end of described push pedal (11) and sleeve (6), the openend of described sleeve (6) is provided with location-plate (4), described location-plate (4) is provided with locating hole (5), it is characterized in that: the openend of described sleeve (6) also is provided with the clamping device that chalk can be clamped.
2. a kind of chalk sleeve as claimed in claim 1, it is characterized in that: described clamping device comprises fixedly fixture block (14), movable clip block (2) and fishbolt (3), described fixedly fixture block (14) is fixedly connected on the inwall of sleeve (6), described fishbolt (3) is threaded with sleeve (6), one end of described fishbolt (3) is positioned at the outside of sleeve (6), and the sleeve wall that the other end of described fishbolt (3) passes sleeve (6) is fixedlyed connected with movable clip block (2).
3. a kind of chalk sleeve as claimed in claim 1 is characterized in that: the blind end of described sleeve (6) is provided with laser instrument (9).
4. as claim 1 or 3 described a kind of chalk sleeves, it is characterized in that: the outer circle wall of the blind end of described sleeve (6) is provided with clip (7).
5. a kind of chalk sleeve as claimed in claim 1 is characterized in that: the openend of described sleeve (6) is provided with block (1).
6. a kind of chalk sleeve as claimed in claim 1 is characterized in that: described push pedal (11) is provided with detent (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201774100U CN201646086U (en) | 2010-05-04 | 2010-05-04 | Chalk sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201774100U CN201646086U (en) | 2010-05-04 | 2010-05-04 | Chalk sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201646086U true CN201646086U (en) | 2010-11-24 |
Family
ID=43111305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201774100U Expired - Fee Related CN201646086U (en) | 2010-05-04 | 2010-05-04 | Chalk sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201646086U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103303032A (en) * | 2013-06-25 | 2013-09-18 | 无锡商业职业技术学院 | Chalk sleeve |
| CN103600598A (en) * | 2013-11-26 | 2014-02-26 | 河海大学常州校区 | Multifunctional chalk sleeve |
| CN105346306A (en) * | 2015-11-19 | 2016-02-24 | 华蓥市阳和镇小学 | Adjustable hand guard chalk sleeve with good fixing effect |
| CN105346308A (en) * | 2015-11-19 | 2016-02-24 | 华蓥市阳和镇小学 | Dual-purpose adjustable hand guard chalk sleeve |
| CN105365448A (en) * | 2015-11-19 | 2016-03-02 | 华蓥市阳和镇小学 | Multifunctional chalk sleeve |
| CN105459677A (en) * | 2015-11-19 | 2016-04-06 | 华蓥市阳和镇小学 | Heating type hand guard chalk sleeve |
| CN106626886A (en) * | 2017-03-05 | 2017-05-10 | 刘金凤 | Environment-friendly chalk clamp |
| CN107521257A (en) * | 2017-07-19 | 2017-12-29 | 安徽卓特信息技术有限公司 | A kind of multi-function chalk casing |
| CN110303802A (en) * | 2019-07-19 | 2019-10-08 | 邢台职业技术学院 | A kind of clothes smart pen |
| CN110861429A (en) * | 2018-08-28 | 2020-03-06 | 成都友谊教学设备有限公司 | Chalk sleeve for teaching |
-
2010
- 2010-05-04 CN CN2010201774100U patent/CN201646086U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103303032A (en) * | 2013-06-25 | 2013-09-18 | 无锡商业职业技术学院 | Chalk sleeve |
| CN103600598A (en) * | 2013-11-26 | 2014-02-26 | 河海大学常州校区 | Multifunctional chalk sleeve |
| CN105346306A (en) * | 2015-11-19 | 2016-02-24 | 华蓥市阳和镇小学 | Adjustable hand guard chalk sleeve with good fixing effect |
| CN105346308A (en) * | 2015-11-19 | 2016-02-24 | 华蓥市阳和镇小学 | Dual-purpose adjustable hand guard chalk sleeve |
| CN105365448A (en) * | 2015-11-19 | 2016-03-02 | 华蓥市阳和镇小学 | Multifunctional chalk sleeve |
| CN105459677A (en) * | 2015-11-19 | 2016-04-06 | 华蓥市阳和镇小学 | Heating type hand guard chalk sleeve |
| CN106626886A (en) * | 2017-03-05 | 2017-05-10 | 刘金凤 | Environment-friendly chalk clamp |
| CN107521257A (en) * | 2017-07-19 | 2017-12-29 | 安徽卓特信息技术有限公司 | A kind of multi-function chalk casing |
| CN110861429A (en) * | 2018-08-28 | 2020-03-06 | 成都友谊教学设备有限公司 | Chalk sleeve for teaching |
| CN110303802A (en) * | 2019-07-19 | 2019-10-08 | 邢台职业技术学院 | A kind of clothes smart pen |
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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: 20101124 Termination date: 20110504 |