CN105415930A - Novel chalk sleeve - Google Patents
Novel chalk sleeve Download PDFInfo
- Publication number
- CN105415930A CN105415930A CN201510866860.8A CN201510866860A CN105415930A CN 105415930 A CN105415930 A CN 105415930A CN 201510866860 A CN201510866860 A CN 201510866860A CN 105415930 A CN105415930 A CN 105415930A
- Authority
- CN
- China
- Prior art keywords
- chalk
- sheath
- supporting plate
- lower supporting
- support
- 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
Landscapes
- Drawing Aids And Blackboards (AREA)
Abstract
The invention provides a novel chalk sleeve and belongs to the field of teaching aids. The novel chalk sleeve solves the problem that chalk dust falls from chalk on an existing chalk sleeve. The novel chalk sleeve comprises a sleeve body with an insertion hole in the front end. Chalk is inserted into the insertion hole. The sleeve body is further sleeved with a protective sleeve. A sliding groove is formed in the outer wall of the sleeve body. The portions, close to the front end and the rear end of the sleeve body, of the sliding groove are provided with a front blocking edge and a rear blocking edge respectively. A sliding block is arranged on the inner wall of the protective sleeve and arranged in the sliding groove. A compression spring is arranged between the sliding bock and the rear blocking edge. The novel chalk sleeve further comprises a support. The support comprises an upper supporting plate, a lower supporting plate and supporting feet supporting the bottom of the lower supporting plate, wherein the upper supporting plate and the lower supporting plate are in parallel and provided with circular upper supporting holes and circular supporting grooves respectively. Circular lower supporting holes are formed in the groove bottom of the supporting groove. According to the novel chalk sleeve, the chalk can be blocked through the protective sleeve, the chalk dust is prevented from falling off, and use is very convenient.
Description
Technical field
The invention belongs to teaching aid technical field, relate to a kind of novel chalk casing.
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 novel chalk casing that can conveniently place.
Object of the present invention realizes by following technical proposal: a kind of novel chalk casing, comprise body, body front end is provided with jack, and described jack is inserted with chalk, it is characterized in that: outside described body, also cover has cylindrical shape sheath, 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 jacket inner wall is provided with ring slider, 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, also comprise support, described support comprises upper backup pad arranged in parallel and lower supporting plate, and the leg be supported on bottom lower supporting plate, described upper backup pad and lower supporting plate are respectively equipped with circular upper supported hole and circular support groove, described support slot bottom land is also provided with circular lower support hole, and described upper supported hole, support slot and lower support hole are all coaxially arranged, described upper supported hole aperture is identical with support slot groove footpath, and it is identical with sheath cross section external diameter, described lower support hole is identical with jack aperture, and described length is greater than the distance between upper backup pad and lower supporting plate.
Body will be held, the chalk on jack can be utilized for writing, after writing, sheath keeps off along mobile forward by Compress Spring band movable slider, and make sheath block chalk, now utilize sheath can prevent chalk dust from dropping out, sheath can be filled in support from upper supported hole respectively afterwards, and make sheath ends be placed in support slot, place, next time is when using, only need to promote body towards lower support hole, guard trailing end is made to be against backstop along upper and expose chalk, connected set body and sheath together hold chalk sleeve afterwards, can use, therefore use very convenient.
In above-mentioned a kind of novel chalk casing, described upper backup pad and lower supporting plate are respectively equipped with some upper supported holes of cooperatively interacting and support slot, and support slot bottom land is equipped with lower support hole.
Therefore more body can be placed.
In above-mentioned a kind of novel chalk casing, described upper backup pad and lower supporting plate are all in bar shaped, and upper backup pad two ends and lower supporting plate two ends bend respectively and interfix, and the leg described in being formed, and described leg is provided with magnetic patch.
Therefore utilize magnetic patch can also be adsorbed on blackboard by support, make that body is vertical with blackboard to be placed, conveniently to take next time.
In above-mentioned a kind of novel chalk casing, described guard leading end face and support slot bottom land are respectively equipped with the annular magnetic patch cooperatively interacted.
Therefore place more stable.
In above-mentioned a kind of novel chalk casing, outside described sheath, be also provided with Anti-slip cover.
In above-mentioned a kind of novel chalk casing, described body and sheath are plastics and make.
In above-mentioned a kind of novel chalk casing, 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 jack can be utilized for writing, after writing, sheath keeps off along mobile forward by Compress Spring band movable slider, and make sheath block chalk, now utilize sheath can prevent chalk dust from dropping out, sheath can be filled in support from upper supported hole respectively afterwards, and make sheath ends be placed in support slot, place, next time is when using, only need to promote body towards lower support hole, guard trailing end is made to be against backstop along upper and expose chalk, connected set body and sheath together hold chalk sleeve afterwards, can use, therefore use very convenient.
Accompanying drawing explanation
Fig. 1 is this chalk sleeve structural representation and partial sectional view.
In figure,
1, body; 11, jack; 12, chalk; 13, chute; 14, front edge; 15, backstop edge;
2, sheath; 21, slide block; 22, Compress Spring;
3, support; 31, upper backup pad; 32, upper supported hole; 33, lower supporting plate; 34, support slot; 35, lower support hole; 36, leg.
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 novel chalk casing of the present invention, comprise body 1, body 1 front end is provided with jack 11, and jack 11 is inserted with chalk 12, outside body 1, also cover has cylindrical shape sheath 2, 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 inwall is provided with ring slider 21, slide block 21 is placed in chute 13, and slide block 21 and backstop are provided with Compress Spring 22 between 15, Compress Spring 22 can be with movable slider 21 to move towards front along 14, and make sheath 2 block chalk 12, also sheath 2 can be moved towards backstop along 15, and make sheath 2 rear end be against backstop along exposing chalk 12 on 15, also comprise support 3, support 3 comprises upper backup pad 31 arranged in parallel and lower supporting plate 33, and the leg 36 be supported on bottom lower supporting plate 33, upper backup pad 31 and lower supporting plate 33 are respectively equipped with circular upper supported hole 32 and circular support groove 34, support slot 34 bottom land is also provided with circular lower support hole 35, and upper supported hole 32, support slot 34 and lower support hole 35 are all coaxially arranged, upper supported hole 32 aperture is identical with support slot 34 groove footpath, and it is identical with sheath 2 cross section external diameter, lower support hole 35 is identical with jack 11 aperture, and sheath 2 length is greater than the distance between upper backup pad 31 and lower supporting plate 33.
Further, upper backup pad 31 and lower supporting plate 33 are respectively equipped with some upper supported holes 32 of cooperatively interacting and support slot 34, and support slot 34 bottom land is equipped with lower support hole 35.Upper backup pad 31 and lower supporting plate 33 are all in bar shaped, and upper backup pad 31 two ends and lower supporting plate 33 two ends bend respectively and interfix, and form leg 36, and leg 36 is provided with magnetic patch.Sheath 2 front end face and support slot 34 bottom land are respectively equipped with the annular magnetic patch cooperatively interacted.Also Anti-slip cover is 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 jack 11 can be utilized for writing, after writing, sheath 2 is with movable slider 21 to move towards front along 14 by Compress Spring 22, and make sheath 2 block chalk 12, now utilize sheath 2 can prevent chalk dust from dropping out, sheath 2 can be filled in support 3 from upper supported hole 32 respectively afterwards, and make sheath 2 end be placed in support slot 34, place, next time is when using, only need to promote body 1 towards lower support hole 35, sheath 2 rear end is made to be against backstop along exposing chalk 12 on 15, connected set body 1 and sheath 2 together hold chalk sleeve afterwards, can use, therefore use very convenient.
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, jack 11, chalk 12, chute 13, front along 14, backstop along 15, sheath 2, slide block 21, Compress Spring 22, support 3, upper backup pad 31, upper supported hole 32, lower supporting plate 33, support slot 34, lower support hole 35, the term such as leg 36, 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 (7)
1. a novel chalk casing, comprise body (1), body (1) front end is provided with jack (11), and described jack (11) is inserted with chalk (12), it is characterized in that: there is cylindrical shape sheath (2) in described body (1) outside also cover, 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) inwall is provided with ring slider (21), slide block (21) is placed in chute (13), and slide block (21) and backstop are provided with Compress Spring (22) between (15), described Compress Spring (22) can be with movable slider (21) 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), also comprise support (3), described support (3) comprises upper backup pad (31) arranged in parallel and lower supporting plate (33), and be supported on the leg (36) of lower supporting plate (33) bottom, described upper backup pad (31) and lower supporting plate (33) are respectively equipped with circular upper supported hole (32) and circular support groove (34), described support slot (34) bottom land is also provided with circular lower support hole (35), and described upper supported hole (32), support slot (34) and lower support hole (35) are all coaxially arranged, described upper supported hole (32) aperture is identical with support slot (34) groove footpath, and it is identical with sheath (2) cross section external diameter, described lower support hole (35) is identical with jack (11) aperture, and described sheath (2) length is greater than the distance between upper backup pad (31) and lower supporting plate (33).
2. a kind of novel chalk casing according to claim 1, it is characterized in that: described upper backup pad (31) and lower supporting plate (33) are respectively equipped with some upper supported holes (32) of cooperatively interacting and support slot (34), and support slot (34) bottom land is equipped with lower support hole (35).
3. a kind of novel chalk casing according to claim 2, it is characterized in that: described upper backup pad (31) and lower supporting plate (33) are all in bar shaped, and upper backup pad (31) two ends and lower supporting plate (33) two ends bend respectively and interfix, and the leg (36) described in being formed, and described leg (36) is provided with magnetic patch.
4. a kind of novel chalk casing according to claim 1, is characterized in that: described sheath (2) front end face and support slot (34) bottom land are respectively equipped with the annular magnetic patch cooperatively interacted.
5. a kind of novel chalk casing according to claim 1, is characterized in that: described sheath (2) outside is also provided with Anti-slip cover.
6. a kind of novel chalk casing according to claim 1, is characterized in that: described body (1) and sheath (2) are plastics and make.
7. a kind of novel chalk casing according to claim 1, is characterized in that: described body (1) rear end has smooth, spherical face.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510866860.8A CN105415930B (en) | 2015-11-27 | 2015-11-27 | A kind of novel chalk casing |
| CN201810570082.1A CN108749401A (en) | 2015-11-27 | 2015-11-27 | Novel chalk casing |
| CN201810627058.7A CN108790483A (en) | 2015-11-27 | 2015-11-27 | A kind of improved novel chalk casing |
| CN201810738566.2A CN108528094A (en) | 2015-11-27 | 2015-11-27 | Chalk sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510866860.8A CN105415930B (en) | 2015-11-27 | 2015-11-27 | A kind of novel chalk casing |
Related Child Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810627058.7A Division CN108790483A (en) | 2015-11-27 | 2015-11-27 | A kind of improved novel chalk casing |
| CN201810738566.2A Division CN108528094A (en) | 2015-11-27 | 2015-11-27 | Chalk sleeve |
| CN201810570082.1A Division CN108749401A (en) | 2015-11-27 | 2015-11-27 | Novel chalk casing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105415930A true CN105415930A (en) | 2016-03-23 |
| CN105415930B CN105415930B (en) | 2019-01-18 |
Family
ID=55494656
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510866860.8A Active CN105415930B (en) | 2015-11-27 | 2015-11-27 | A kind of novel chalk casing |
| CN201810570082.1A Withdrawn CN108749401A (en) | 2015-11-27 | 2015-11-27 | Novel chalk casing |
| CN201810738566.2A Withdrawn CN108528094A (en) | 2015-11-27 | 2015-11-27 | Chalk sleeve |
| CN201810627058.7A Withdrawn CN108790483A (en) | 2015-11-27 | 2015-11-27 | A kind of improved novel chalk casing |
Family Applications After (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810570082.1A Withdrawn CN108749401A (en) | 2015-11-27 | 2015-11-27 | Novel chalk casing |
| CN201810738566.2A Withdrawn CN108528094A (en) | 2015-11-27 | 2015-11-27 | Chalk sleeve |
| CN201810627058.7A Withdrawn CN108790483A (en) | 2015-11-27 | 2015-11-27 | A kind of improved novel chalk casing |
Country Status (1)
| Country | Link |
|---|---|
| CN (4) | CN105415930B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109174475A (en) * | 2018-08-17 | 2019-01-11 | 苏州煜水生物科技有限公司 | A kind of cytospin convenient for picking and placing test tube |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2070249U (en) * | 1990-06-01 | 1991-01-30 | 徐中宾 | Convenient chalk holder |
| CN2188489Y (en) * | 1994-04-14 | 1995-02-01 | 魏隆诚 | Writing chalk on blackboard |
| JPH11129681A (en) * | 1997-10-24 | 1999-05-18 | Masaharu Taguchi | Bar-like article feeding container |
| CN2357921Y (en) * | 1999-02-14 | 2000-01-12 | 金勇男 | Chalk holder |
| CN2540281Y (en) * | 2002-05-23 | 2003-03-19 | 杨冬文 | Economizing chalk holder |
| CN202242680U (en) * | 2011-08-02 | 2012-05-30 | 蹇承灼 | Hanging type pen container |
| CN202878999U (en) * | 2012-10-26 | 2013-04-17 | 于鸣露 | Blackboard-writing pen case |
| CN204605340U (en) * | 2015-03-30 | 2015-09-02 | 江汉大学 | A kind of pen container |
| CN205238930U (en) * | 2015-11-27 | 2016-05-18 | 沈晶晶 | Novel chalk cover |
-
2015
- 2015-11-27 CN CN201510866860.8A patent/CN105415930B/en active Active
- 2015-11-27 CN CN201810570082.1A patent/CN108749401A/en not_active Withdrawn
- 2015-11-27 CN CN201810738566.2A patent/CN108528094A/en not_active Withdrawn
- 2015-11-27 CN CN201810627058.7A patent/CN108790483A/en not_active Withdrawn
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2070249U (en) * | 1990-06-01 | 1991-01-30 | 徐中宾 | Convenient chalk holder |
| CN2188489Y (en) * | 1994-04-14 | 1995-02-01 | 魏隆诚 | Writing chalk on blackboard |
| JPH11129681A (en) * | 1997-10-24 | 1999-05-18 | Masaharu Taguchi | Bar-like article feeding container |
| CN2357921Y (en) * | 1999-02-14 | 2000-01-12 | 金勇男 | Chalk holder |
| CN2540281Y (en) * | 2002-05-23 | 2003-03-19 | 杨冬文 | Economizing chalk holder |
| CN202242680U (en) * | 2011-08-02 | 2012-05-30 | 蹇承灼 | Hanging type pen container |
| CN202878999U (en) * | 2012-10-26 | 2013-04-17 | 于鸣露 | Blackboard-writing pen case |
| CN204605340U (en) * | 2015-03-30 | 2015-09-02 | 江汉大学 | A kind of pen container |
| CN205238930U (en) * | 2015-11-27 | 2016-05-18 | 沈晶晶 | Novel chalk cover |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109174475A (en) * | 2018-08-17 | 2019-01-11 | 苏州煜水生物科技有限公司 | A kind of cytospin convenient for picking and placing test tube |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105415930B (en) | 2019-01-18 |
| CN108790483A (en) | 2018-11-13 |
| CN108749401A (en) | 2018-11-06 |
| CN108528094A (en) | 2018-09-14 |
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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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201215 Address after: 277000 No.6 Changzhuang 2nd Road, West District, Xuecheng Economic Development Zone, Zaozhuang City, Shandong Province Patentee after: Shandong xinaohong Electric Vehicle Technology Co., Ltd Address before: No. 50132, Yancun Town, Wujia village, Zhejiang Province Patentee before: Shen Jingjing |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210820 Address after: 233512 east of Anchi Avenue, Mengcheng County Economic Development Zone, Bozhou City, Anhui Province, north of pushui Road, south of Yongxing Road Patentee after: Mengcheng Meige Plastic Technology Co.,Ltd. Address before: 277000 No.6 Changzhuang 2nd Road, West District, Xuecheng Economic Development Zone, Zaozhuang City, Shandong Province Patentee before: Shandong xinaohong Electric Vehicle Technology Co., Ltd |
|
| TR01 | Transfer of patent right |