CN203358109U - Handheld chalk sleeve for English language teaching - Google Patents
Handheld chalk sleeve for English language teaching Download PDFInfo
- Publication number
- CN203358109U CN203358109U CN 201320428911 CN201320428911U CN203358109U CN 203358109 U CN203358109 U CN 203358109U CN 201320428911 CN201320428911 CN 201320428911 CN 201320428911 U CN201320428911 U CN 201320428911U CN 203358109 U CN203358109 U CN 203358109U
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- CN
- China
- Prior art keywords
- sleeve
- positioning body
- chalk
- chalk sleeve
- english language
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- Expired - Fee Related
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- Electrically Operated Instructional Devices (AREA)
Abstract
Provided is a handheld chalk sleeve for English language teaching. The problem that existing teaching tools cannot protect fingers of teachers during writing on blackboards is mainly solved. The handheld chalk sleeve for the English language teaching is characterized in that a rotator is disc-shaped, and a cuboid-shaped guiding rod is arranged at the center of the rotator. A screw sleeves the guiding rod and is provided with a cuboid-shaped cavity matched with the guiding rod in the inside, and the external of the screw is provided with outer threads. A sleeve body is provided with a limiting platform in the inside, a positioning body is installed in the sleeve body, the outer edge of the positioning body is provided with a boss, and the boss is matched with the limiting platform. The inside of the positioning body is hollow, and the positioning body is provided with inner threads in the inside, and the inner threads are matched with the outer threads. A round platform is installed at the end of the positioning body. A rubber sleeve is fixed at the sleeve opening position of the sleeve body. A light-emitting diode (LED) indicating lamp and a switch button are arranged at the other end of the rotator. By using the handheld chalk sleeve, the fingers of the teachers conducting English language writing on the blackboards are protected against harm of chalk powder. The handheld chalk sleeve is simple in structure, convenient and practical.
Description
Technical field
The utility model belongs to the English teaching field of tool, is specifically related to a kind of chalk sleeve of the hand-held for English teaching.
Background technology
At present the English Instructor is when carrying out writing on the blackboard, use be all common chalk.Teachers need hand-held chalk to be write on blackboard, and hand contacts with chalk for a long time, and the chalk of lime saw lumber is easy to corrode hand skin, also can make teacher's hand dirty, affects teacher's image.Therefore, be badly in need of a kind of chalk sleeve of the hand-held for English teaching.
Summary of the invention
In order to solve the technical problem of mentioning in background technology, the utility model provides a kind of chalk sleeve of the hand-held for English teaching, this kind of chalk sleeve main body is comprised of body and rotor, drive the rotation of screw rod part by the rotation rotor, the incompatible turnover that completes chalk that matches of screw rod part and circular platform, direct skin contact can not occur with chalk in user again.The other end of rotor is provided with a LED light, is a teacher while talking about important knowledge point and can opens LED light with the prompting student.This kind is simple in structure, convenient and practical for the hand-held chalk sleeve of English teaching, has effectively protected teacher's hand skin.
The technical solution of the utility model is: this kind is for the hand-held chalk sleeve of English teaching, and main body is comprised of body and rotor, and its unique distinction is: described rotor ，Qi in the form of annular discs center is provided with the cuboid guide rod; The outer surface cover of guide rod has the screw rod part, and the inside of described screw rod part is provided with the cuboid cavity and coordinates with described guide rod, and outside is provided with external screw thread; The inside of described body is provided with limiting stand, and positioning body is installed in body, and the outer ring of described positioning body is provided with boss, and described boss matches with limiting stand; The inner hollow of positioning body is provided with internal thread, and described internal thread matches with the external screw thread of screw rod part; A circular platform is installed in the end of described positioning body; The running-on place of described body is fixed with rubber sleeve; The other end of described rotor is provided with a LED light and shift knob.
In addition, the outside of body has holds the finger-type district, so that the teacher holds the hand-held chalk sleeve of this kind for English teaching, and can landing.
The utlity model has following beneficial effect: this kind is comprised of body and rotor for the hand-held chalk sleeve main body of English teaching, drive the rotation of screw rod part by the rotation rotor, the incompatible turnover that completes chalk that matches of screw rod part and circular platform, the other end of rotor is provided with a LED light, is a teacher while talking about important knowledge point and can opens LED light with the prompting student.Can be good at protecting the teacher when carrying out the English writing on the blackboard, finger can directly not contact chalk, thereby can not be subject to the injury of chalk dust, and this kind also has characteristics simple in structure, convenient and practical for the hand-held chalk sleeve of English teaching.
The accompanying drawing explanation:
Fig. 1 is overall structure schematic diagram of the present utility model.
Fig. 2 is the cross-sectional view that the utility model does not add the LED light part.
1-body in figure, the 2-rotor, the 3-guide rod, 4-screw rod part, the 5-positioning body, the 6-rubber sleeve, the 7-LED indicator lamp, the 8-shift knob, 9-holds the finger-type district, 10-chalk, 11-limiting stand, 12-boss, 13-circular platform.
The specific embodiment:
Below in conjunction with accompanying drawing, the utility model is described in further detail:
As shown in Figure 1 with Figure 2, this kind is for the hand-held chalk sleeve of English teaching, and main body is comprised of body 1 and rotor 2, and its unique distinction is: described rotor 2 ，Qi in the form of annular discs center is provided with cuboid guide rod 3; The outer surface cover of guide rod 3 has screw rod part 4, and the inside of described screw rod part 4 is provided with the cuboid cavity and coordinates with described guide rod 3, and outside is provided with external screw thread; The inside of described body 1 is provided with limiting stand 11, and positioning body 5 is installed in body 1, and the outer ring of described positioning body 5 is provided with boss 12, and described boss 12 matches with limiting stand 11; The inner hollow of positioning body 5 is provided with internal thread, and described internal thread matches with the external screw thread of screw rod part 4; The end of described positioning body 5 is equipped with a circular platform 13; The running-on place of described body 1 is fixed with rubber sleeve 6; The other end of described rotor 2 is provided with a LED light 7 and shift knob 8.
In addition, the outside of body 1 has holds finger-type district 9, so that the teacher holds the hand-held chalk sleeve of this kind for English teaching, and can landing.
Claims (2)
1. the chalk sleeve of the hand-held for English teaching, main body is comprised of body (1) and rotor (2), it is characterized in that: described rotor (2) ，Qi in the form of annular discs center is provided with cuboid guide rod (3); The outer surface cover of guide rod (3) has screw rod part (4), and the inside of described screw rod part (4) is provided with the cuboid cavity and coordinates with described guide rod (3), and outside is provided with external screw thread; The inside of described body (1) is provided with limiting stand (11), and positioning body (5) is installed in body (1), and the outer ring of described positioning body (5) is provided with boss (12), and described boss (12) matches with limiting stand (11); The inner hollow of positioning body (5) is provided with internal thread, and described internal thread matches with the external screw thread of screw rod part (4); The end of described positioning body (5) is equipped with a circular platform (13); The running-on place of described body (1) is fixed with rubber sleeve (6); The other end of described rotor (2) is provided with a LED light (7) and shift knob (8).
2. a kind of chalk sleeve of the hand-held for English teaching according to claim 1, it is characterized in that: the outside of body (1) has holds finger-type district (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320428911 CN203358109U (en) | 2013-07-18 | 2013-07-18 | Handheld chalk sleeve for English language teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320428911 CN203358109U (en) | 2013-07-18 | 2013-07-18 | Handheld chalk sleeve for English language teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203358109U true CN203358109U (en) | 2013-12-25 |
Family
ID=49805924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320428911 Expired - Fee Related CN203358109U (en) | 2013-07-18 | 2013-07-18 | Handheld chalk sleeve for English language teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203358109U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106218272A (en) * | 2016-08-29 | 2016-12-14 | 彭展忠 | Teaching dust arrester installation |
| CN106313947A (en) * | 2016-08-29 | 2017-01-11 | 彭展忠 | Environment-friendly dust-free teaching aid with humidifying device |
| CN109228737A (en) * | 2018-09-11 | 2019-01-18 | 安徽潜源教学设备有限公司 | A kind of chalk clip for teaching |
| CN111169199A (en) * | 2020-01-14 | 2020-05-19 | 唐山师范学院 | Multi-functional english teaching aid |
-
2013
- 2013-07-18 CN CN 201320428911 patent/CN203358109U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106218272A (en) * | 2016-08-29 | 2016-12-14 | 彭展忠 | Teaching dust arrester installation |
| CN106313947A (en) * | 2016-08-29 | 2017-01-11 | 彭展忠 | Environment-friendly dust-free teaching aid with humidifying device |
| CN106313947B (en) * | 2016-08-29 | 2017-11-14 | 彭展忠 | Environment-friendly dustless teaching aid with humidification device |
| CN106218272B (en) * | 2016-08-29 | 2017-12-22 | 彭展忠 | Teaching dust arrester installation |
| CN109228737A (en) * | 2018-09-11 | 2019-01-18 | 安徽潜源教学设备有限公司 | A kind of chalk clip for teaching |
| CN111169199A (en) * | 2020-01-14 | 2020-05-19 | 唐山师范学院 | Multi-functional english teaching aid |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131225 Termination date: 20160718 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |