CN105346307A - Chalk sleeve used for teaching - Google Patents
Chalk sleeve used for teaching Download PDFInfo
- Publication number
- CN105346307A CN105346307A CN201510866879.2A CN201510866879A CN105346307A CN 105346307 A CN105346307 A CN 105346307A CN 201510866879 A CN201510866879 A CN 201510866879A CN 105346307 A CN105346307 A CN 105346307A
- Authority
- CN
- China
- Prior art keywords
- chalk
- sheath
- sleeve
- teaching
- along
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K23/00—Holders or connectors for writing implements; Means for protecting the writing-points
- B43K23/016—Holders for crayons or chalks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K23/00—Holders or connectors for writing implements; Means for protecting the writing-points
- B43K23/02—Holders or connectors for writing implements; Means for protecting the writing-points with means for preventing rolling
Landscapes
- Drawing Aids And Blackboards (AREA)
Abstract
The invention provides a chalk sleeve used for teaching and belongs to the field of teaching appliance, aiming at solving the problem that a chalk on the existing chalk sleeve leaves chalk dust. The chalk sleeve used for teaching comprises a sleeve body, wherein an insertion hole is formed in the front end of the sleeve body, a chalk is inserted to the insertion hole, a protection sleeve sleeves the outside of the sleeve body, the protection sleeve can slide to the front end of the protection sleeve along the axial direction of the sleeve body to stop the chalk, the end face of the front end of the protection sleeve is a support face vertical to the axis of the sleeve body, and the area of the support face is larger than the area of the cross section of the sleeve body. A person can use the chalk in the insertion hole to write just by holding the sleeve body with the hand, and after finishing writing, the person can slide the protection sleeve to the front end of the protection sleeve along the axial direction of the sleeve body to stop chalk, at the moment, chalk dust can be prevented from dropping out due to the protection sleeve; and meanwhile, the end face of the front end of the protection sleeve is a support face vertical to the axis of the sleeve body, and the chalk sleeve can be supported on the teacher's desk due to the match of the support face and the table facet, thus being convenient to place.
Description
Technical field
The invention belongs to teaching aid technical field, relate to a kind of teaching chalk cover.
Background technology
When teacher uses chalk, usually directly arrest use with hand, but chalk dust can drop on unhealthful on hand, therefore existing a kind of chalk sleeve is used for entangling chalk, but the chalk of chalk sleeve front end also can fall ash often, is therefore necessary to improve.
Summary of the invention
The object of the invention is for the above-mentioned problems in the prior art, provide one and can prevent chalk dust from dropping out, and the teaching chalk cover that can conveniently place.
Object of the present invention realizes by following technical proposal: a kind of teaching chalk cover, comprise body, described body front end is provided with socket, and described socket is inserted with chalk, it is characterized in that: outside described body, also cover has sheath, described sheath can axially slide towards guard leading end along body and block described chalk, and guard leading end end face is the supporting surface with body axes normal, and described supporting surface area is greater than body cross-sectional area.
Body will be held, the chalk on socket can be utilized for writing, after writing, sheath is axially slided towards guard leading end along body and blocks chalk, now utilize sheath can prevent chalk dust from dropping out, guard leading end end face is the supporting surface with body axes normal simultaneously, supporting surface therefore can be utilized to coordinate with table top and be supported on lectern by this chalk sleeve, so that place.
In above-mentioned a kind of teaching chalk cover, described body outer wall is provided with chute, and described chute has front edge and backstop edge respectively near body front end and body back-end location, described sheath is provided with ring slider, described slide block set is placed in chute, and be provided with Compress Spring between slide block and backstop edge, described Compress Spring can be with movable slider to keep off along mobile forward, and make sheath block described chalk, also can by sheath towards backstop along mobile, and make guard trailing end be against backstop along upper and expose chalk.
When therefore using, only need towards body rear end slip sheath, expose chalk, after finishing using, loose one's grip and can protect chalk, avoid chalk dust to drop out.
In above-mentioned a kind of teaching chalk cover, described supporting surface is provided with magnetic patch.
Therefore magnetic patch is utilized can also to be adsorbed on blackboard.
In above-mentioned a kind of teaching chalk cover, outside described sheath, be also provided with Anti-slip cover.
In above-mentioned a kind of teaching chalk cover, described body and sheath are plastics and make.
In above-mentioned a kind of teaching chalk cover, described body rear end has smooth, spherical face.
Compared with prior art, tool of the present invention has the following advantages:
Body will be held, the chalk on socket can be utilized for writing, after writing, sheath is axially slided towards guard leading end along body and blocks chalk, now utilize sheath can prevent chalk dust from dropping out, guard leading end end face is the supporting surface with body axes normal simultaneously, supporting surface therefore can be utilized to coordinate with table top and be supported on lectern by this chalk sleeve, so that place.
Accompanying drawing explanation
Fig. 1 is this chalk sleeve sectional view.
In figure,
1, body; 11, socket; 12, chalk; 13, chute; 14, front edge; 15, backstop edge; 16, Compress Spring;
2, sheath; 21, supporting surface; 22, slide block; 23, magnetic patch; 24, Anti-slip cover.
Detailed description of the invention
Be below specific embodiments of the invention and by reference to the accompanying drawings, technical scheme of the present invention is further described, but the present invention be not limited to these embodiments.
As shown in Figure 1, a kind of teaching chalk cover of the present invention, comprise body 1, body 1 front end is provided with socket 11, and socket 11 is inserted with chalk 12, outside body 1, also cover has sheath 2, and sheath 2 can axially slide towards sheath 2 front end along body 1 and block chalk 12, and sheath 2 front end surface is the supporting surface 21 with body 1 axes normal, supporting surface 21 area is greater than body 1 cross-sectional area.
Further, body 1 outer wall is provided with chute 13, and chute 13 have respectively near body 1 front end and body 1 back-end location front along 14 and backstop along 15, sheath 2 is provided with ring slider 22, and slide block 22 is placed in chute 13, and slide block 22 and backstop are provided with Compress Spring 16 between 15, Compress Spring 16 can be with movable slider 22 to move towards front along 14, and make sheath 2 block chalk 12, also sheath 2 can be moved along 15 towards backstop, and make sheath 2 rear end be against backstop along exposing chalk 12 on 15.Supporting surface 21 is provided with magnetic patch 23.Anti-slip cover 24 is also provided with outside sheath 2.Body 1 and sheath 2 are plastics and make.Body 1 rear end has smooth, spherical face.
Body 1 will be held, chalk 12 on socket 11 can be utilized for writing, after writing, sheath 2 is axially slided towards sheath 2 front end along body 1 and blocks chalk 12, now utilize sheath 2 can prevent chalk dust from dropping out, sheath 2 front end surface is the supporting surface 21 with body 1 axes normal simultaneously, therefore supporting surface 21 can be utilized to coordinate with table top and is supported on lectern by this chalk sleeve, so that place.
And when using, only need towards body 1 rear end slip sheath 1, expose chalk 12, after finishing using, loose one's grip and can protect chalk 12, avoid chalk dust to drop out.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.
Although more employ herein body 1, socket 11, chalk 12, chute 13, front along 14, backstop along 15, the term such as Compress Spring 16, sheath 2, supporting surface 21, slide block 22, magnetic patch 23, Anti-slip cover 24, do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present invention more easily; The restriction that they are construed to any one additional is all contrary with spirit of the present invention.
Claims (6)
1. a teaching chalk cover, comprise body (1), described body (1) front end is provided with socket (11), and described socket (11) is inserted with chalk (12), it is characterized in that: there is sheath (2) in described body (1) outside also cover, described sheath (2) can axially slide towards sheath (2) front end along body (1) and block described chalk (12), and sheath (2) front end surface is the supporting surface (21) with body (1) axes normal, described supporting surface (21) area is greater than body (1) cross-sectional area.
2. a kind of teaching chalk cover according to claim 1, it is characterized in that: described body (1) outer wall is provided with chute (13), and described chute (13) has front respectively along (14) and backstop edge (15) near body (1) front end and body (1) back-end location, described sheath (2) is provided with ring slider (22), described slide block (22) is placed in chute (13), and slide block (22) and backstop are provided with Compress Spring (16) between (15), described Compress Spring (16) can be with movable slider (22) mobile towards front along (14), and make sheath (2) block described chalk (12), also can be mobile towards backstop along (15) by sheath (2), and make sheath (2) rear end be against backstop along (15) to go up and expose chalk (12).
3. a kind of teaching chalk cover according to claim 2, is characterized in that: described supporting surface (21) is provided with magnetic patch (23).
4. a kind of teaching chalk cover according to claim 3, is characterized in that: described sheath (2) outside is also provided with Anti-slip cover (24).
5. a kind of teaching chalk cover according to claim 1, is characterized in that: described body (1) and sheath (2) are plastics and make.
6. a kind of teaching chalk cover according to claim 1, is characterized in that: described body (1) rear end has smooth, spherical face.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710216218.4A CN107009784B (en) | 2015-11-27 | 2015-11-27 | A kind of application method of chalk sleeve |
| CN201510866879.2A CN105346307B (en) | 2015-11-27 | 2015-11-27 | A kind of teaching chalk set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510866879.2A CN105346307B (en) | 2015-11-27 | 2015-11-27 | A kind of teaching chalk set |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710216218.4A Division CN107009784B (en) | 2015-11-27 | 2015-11-27 | A kind of application method of chalk sleeve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105346307A true CN105346307A (en) | 2016-02-24 |
| CN105346307B CN105346307B (en) | 2017-07-07 |
Family
ID=55322436
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510866879.2A Expired - Fee Related CN105346307B (en) | 2015-11-27 | 2015-11-27 | A kind of teaching chalk set |
| CN201710216218.4A Active CN107009784B (en) | 2015-11-27 | 2015-11-27 | A kind of application method of chalk sleeve |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710216218.4A Active CN107009784B (en) | 2015-11-27 | 2015-11-27 | A kind of application method of chalk sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN105346307B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003246186A (en) * | 2002-02-22 | 2003-09-02 | Kazuo Tsunoda | Writing instrument |
| CN201646082U (en) * | 2010-01-29 | 2010-11-24 | 李昌林 | Chalk cover |
| CN203792949U (en) * | 2014-01-21 | 2014-08-27 | 郑佳 | Chalk component |
| CN204472227U (en) * | 2014-12-23 | 2015-07-15 | 周静雯 | A kind of chalk holder |
| CN205416846U (en) * | 2015-11-27 | 2016-08-03 | 沈晶晶 | Chalk sleeve for teaching |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2070249U (en) * | 1990-06-01 | 1991-01-30 | 徐中宾 | Convenient chalk holder |
| CN2336972Y (en) * | 1998-02-25 | 1999-09-08 | 梁兴军 | Chalk holder |
| US6793429B2 (en) * | 2000-07-26 | 2004-09-21 | William Q. Arrison | Chalk holding device |
| JP2004358943A (en) * | 2003-06-04 | 2004-12-24 | Kanji Inoue | Fingertip writing instruments |
| CN201685583U (en) * | 2010-04-27 | 2010-12-29 | 夏炎 | Chalk clamp |
| CN202498875U (en) * | 2012-02-07 | 2012-10-24 | 刘宝林 | Chalk sleeve |
-
2015
- 2015-11-27 CN CN201510866879.2A patent/CN105346307B/en not_active Expired - Fee Related
- 2015-11-27 CN CN201710216218.4A patent/CN107009784B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003246186A (en) * | 2002-02-22 | 2003-09-02 | Kazuo Tsunoda | Writing instrument |
| CN201646082U (en) * | 2010-01-29 | 2010-11-24 | 李昌林 | Chalk cover |
| CN203792949U (en) * | 2014-01-21 | 2014-08-27 | 郑佳 | Chalk component |
| CN204472227U (en) * | 2014-12-23 | 2015-07-15 | 周静雯 | A kind of chalk holder |
| CN205416846U (en) * | 2015-11-27 | 2016-08-03 | 沈晶晶 | Chalk sleeve for teaching |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107009784B (en) | 2018-07-31 |
| CN105346307B (en) | 2017-07-07 |
| CN107009784A (en) | 2017-08-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wu Siqi Inventor before: Shen Jingjing |
|
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20170615 Address after: 312400 Zhejiang province Shengzhou city Sanjiang street in Xi Yan Garden Building 1 unit 805 room Applicant after: Wu Siqi Address before: 314501, No. 32, Yan Jia Cun, Wuzhen Town, Tongxiang, Zhejiang, Henan Applicant before: Shen Jingjing |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170707 Termination date: 20171127 |