CN203254815U - Multifunctional chalk coat - Google Patents
Multifunctional chalk coat Download PDFInfo
- Publication number
- CN203254815U CN203254815U CN 201320181595 CN201320181595U CN203254815U CN 203254815 U CN203254815 U CN 203254815U CN 201320181595 CN201320181595 CN 201320181595 CN 201320181595 U CN201320181595 U CN 201320181595U CN 203254815 U CN203254815 U CN 203254815U
- Authority
- CN
- China
- Prior art keywords
- chalk
- sleeve
- push rod
- coat
- rear end
- 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 multifunctional chalk coat. The multifunctional chalk coat comprises a sleeve barrel and an ejection rod. A rubber blocking sleeve is arranged at the front end of the sleeve barrel, the front end of the ejection rod is inserted into the sleeve barrel from the rear end of the sleeve barrel, internal threads are arranged in the sleeve barrel, the part, inserted into the sleeve barrel, of the ejection rod is provided with external threads matched with the internal threads, the front end of the ejection rod is a chalk clamping end, and a laser lamp is arranged at the rear end of the ejection rod. The multifunctional chalk coat is reasonable in structural design and convenient to operate and can prevent hands of a teacher from directly making contact with a chalk; because fingers are blocked through the rubber blocking sleeve, dust generated when the chalk is used can be prevented from dropping into the fingers; furthermore, the laser lamp is further arranged at the rear end of the ejection rod and can serve as a pointer, the chalk and the pointer are prevented from being alternatively used, and the multifunctional chalk coat is very convenient to use.
Description
Technical field
The utility model relates to a kind of realia, relates in particular to a kind of multi-function chalk casing.
Background technology
Chalk is requisite instrument in the teachers' instruction process, the teacher is when giving lessons, usually all need with chalk writing words, symbol and draw various figures on blackboard, because when writing, need to firmly clutch chalk, thereby the powder on the chalk is easy to adhere on hand, and is very unhygienic.Also need to use every now and then teacher's pointer and indicate in the process of teachers' instruction, teacher's pointer and chalk are used alternatingly, and be very inconvenient.
Summary of the invention
For the problem that above-mentioned prior art exists, the utility model purpose is to provide a kind of multi-function chalk casing, can avoid chalk directly to contact with teacher's hand, but also with laser lamp, can be used as teacher's pointer and use.
The technical solution of the utility model is: a kind of multi-function chalk casing, comprise sleeve and push rod, the front end of described sleeve is provided with the rubber interstage sleeve, the front end of described push rod inserts in the sleeve from the rear end of sleeve, be provided with internal thread in the described sleeve, the part that described push rod inserts sleeve is provided with the external screw thread that mates with this internal thread, and the front end of push rod is the chalk bare terminal end, and the rear end of push rod is provided with laser lamp.
As preferably, the battery of described laser lamp is arranged on the inside of push rod, and the switch of laser lamp is arranged on push rod near on the sidewall of rear end.
As preferably, the outer wall of described sleeve is provided with anti-skidding lines.
The beneficial effects of the utility model are: reasonable in design, easy to operate, can avoid chalk directly to contact with teacher's hand, finger stops by the rubber interstage sleeve, can prevent that the dust that chalk in use produces from falling on the finger, and the rear end of push rod can be used as teacher's pointer and uses also with laser lamp, avoided being used alternatingly of chalk and teacher's pointer, very convenient.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Among the figure: 1, sleeve; 2, push rod; 3, rubber interstage sleeve; 4, laser lamp.
The specific embodiment
As a kind of embodiment of the present utility model, as shown in Figure 1, a kind of multi-function chalk casing, comprise sleeve 1 and push rod 2, the outer wall of described sleeve 1 is provided with anti-skidding lines, and the front end of described sleeve 1 is provided with rubber interstage sleeve 3, the front end of described push rod 2 inserts in the sleeve 1 from the rear end of sleeve 1, be provided with internal thread in the described sleeve 1, the part that described push rod 2 inserts sleeve 1 is provided with the external screw thread with this internal thread coupling, and the front end of push rod 2 is the chalk bare terminal end.During use, chalk is held on the front end of push rod 2, and the teacher grips sleeve 1 and writes, and can avoid chalk directly to contact with teacher's hand, finger stops by rubber interstage sleeve 3, can prevent that the dust that chalk in use produces from falling on the finger, along with the consumption of sleeve 1 interior chalk, can constantly turn push rod 2, chalk is extruded outside the sleeve 1, not only be convenient to write, and the chalk full consumption can be fallen, improve the utilization rate of chalk.
The rear end of push rod 2 is provided with laser lamp 4, the battery of described laser lamp 4 is arranged on the inside of push rod 2, and the switch of laser lamp 4 is arranged on push rod 2 near on the sidewall of rear end, and laser lamp 4 can be used as teacher's pointer and uses, avoided being used alternatingly of chalk and teacher's pointer, very convenient.
Claims (3)
1. multi-function chalk casing, it is characterized in that: comprise sleeve and push rod, the front end of described sleeve is provided with the rubber interstage sleeve, the front end of described push rod inserts in the sleeve from the rear end of sleeve, be provided with internal thread in the described sleeve, the part that described push rod inserts sleeve is provided with the external screw thread that mates with this internal thread, and the front end of push rod is the chalk bare terminal end, and the rear end of push rod is provided with laser lamp.
2. multi-function chalk casing according to claim 1, it is characterized in that: the battery of described laser lamp is arranged on the inside of push rod, and the switch of laser lamp is arranged on push rod near on the sidewall of rear end.
3. multi-function chalk casing according to claim 1 and 2, it is characterized in that: the outer wall of described sleeve is provided with anti-skidding lines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320181595 CN203254815U (en) | 2013-04-12 | 2013-04-12 | Multifunctional chalk coat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320181595 CN203254815U (en) | 2013-04-12 | 2013-04-12 | Multifunctional chalk coat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203254815U true CN203254815U (en) | 2013-10-30 |
Family
ID=49467416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320181595 Expired - Fee Related CN203254815U (en) | 2013-04-12 | 2013-04-12 | Multifunctional chalk coat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203254815U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104802568A (en) * | 2015-05-12 | 2015-07-29 | 罗福仲 | Novel chalk |
| CN106218272A (en) * | 2016-08-29 | 2016-12-14 | 彭展忠 | Teaching dust arrester installation |
| CN108274922A (en) * | 2018-02-07 | 2018-07-13 | 嘉善信息技术工程学校 | A kind of teaching chalk set |
| CN108274921A (en) * | 2018-02-07 | 2018-07-13 | 嘉善信息技术工程学校 | A kind of chalk sleeve for preventing dirty hand |
-
2013
- 2013-04-12 CN CN 201320181595 patent/CN203254815U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104802568A (en) * | 2015-05-12 | 2015-07-29 | 罗福仲 | Novel chalk |
| CN106218272A (en) * | 2016-08-29 | 2016-12-14 | 彭展忠 | Teaching dust arrester installation |
| CN106218272B (en) * | 2016-08-29 | 2017-12-22 | 彭展忠 | Teaching dust arrester installation |
| CN108274922A (en) * | 2018-02-07 | 2018-07-13 | 嘉善信息技术工程学校 | A kind of teaching chalk set |
| CN108274921A (en) * | 2018-02-07 | 2018-07-13 | 嘉善信息技术工程学校 | A kind of chalk sleeve for preventing dirty hand |
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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: 20131030 Termination date: 20140412 |