CN206141164U - Clean formula chalk shell - Google Patents

Clean formula chalk shell Download PDF

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Publication number
CN206141164U
CN206141164U CN201620834755.6U CN201620834755U CN206141164U CN 206141164 U CN206141164 U CN 206141164U CN 201620834755 U CN201620834755 U CN 201620834755U CN 206141164 U CN206141164 U CN 206141164U
Authority
CN
China
Prior art keywords
chalk
shell
inner housing
shell body
afterbody
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
Application number
CN201620834755.6U
Other languages
Chinese (zh)
Inventor
耿岳
张磊
聂朋朋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Taishan Medical University
Original Assignee
Taishan Medical University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Taishan Medical University filed Critical Taishan Medical University
Priority to CN201620834755.6U priority Critical patent/CN206141164U/en
Application granted granted Critical
Publication of CN206141164U publication Critical patent/CN206141164U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a clean formula chalk shell, including interior casing, shell body and shell cap, the front end of interior casing is hollow, and the rear end is solid, and interior casing afterbody is equipped with protrudingly, and the shell body inlayer is equipped with the recess, the protruding slip of casing afterbody in can letting, and shell body inlayer front end is equipped with the draw -in groove, blocks fixedly in can letting after the protruding rotation of casing afterbody, and in the casing, interior casing is in the shell body including the chalk.

Description

A kind of cleaning type chalk shell
Technical field
The utility model is related to realia field, and in particular to a kind of cleaning type chalk shell.
Background technology
Remain using instruments such as blackboard and chalks to impart knowledge to students in many places at present, realize the school that electronic curtain is operated Seldom, so now chalk remains main flow, but teacher is when using chalk, full hand can be made all to be chalk powder, particularly Clamp chalk and obtain that several finger, this is a kind of injury to teacher, and with dropping for chalk dust, the chalk dust for being bonded at full hand can Clothes can be encountered, so as to clothes of making dirty.
The A of application publication number CN 102328524(Application number 201010225918.8)Patent document carried out one kind altogether Chalk sleeve, including inner core tube and outer tube, inner core tube is fixed in outer tube, and the head of innermost tube exposes outer tube and is cut into Three, prominent shell is designed with per head mouth, the head of innermost tube is provided with little outer tube, and the head of little outer tube is provided with spring, spring The other end be fixed on outer tube, chalk is provided with inner core tube, the rear end of outer tube is provided with thimble.Authorization Notice No. CN 201728946 U(Application number 201020246416.9)Patent document come a kind of Dustproof chalk sleeve container, including dress altogether The pen container of chalk part and rear pushing cylinder, it is characterised in that:The pen container length is identical with chalk, and front end constitutes head, and head is thick 0.15cm~0.25cm, forms in addition to the head rear portion, and in leading head spring leaf has been assigned, and the thick 0.15cm at rear portion~ 0.2cm, and internal sealing plug is formed with rear portion, the pusher tube length degree is consistent with pen container length, be formed with rear pushing cylinder with The consistent external sealing plug of internal sealing plug in rear portion.The U of Authorization Notice No. CN 203496495(Application number 201320299814.0) Patent document carried out a kind of teacher's hygiene chock sleeve altogether, can especially keep hand hygiene, facilitate teacher to write, be easy to take Band, is made up of chalk inner sleeve, chalk sleeve, and chalk outer wall of inside race back segment has the screw thread of 2cm, and chalk sleeve inner layer wall is carved with therewith Corresponding screw thread, chalk inner sleeve can be equipped with two chalks, when inside and outside pen cap corresponding rotation, can slowly release chalk, Isolation finger and chalk, do not pollute finger.
At present, known teacher's writing on the blackboard chalk, directly with hand-held, easily pollutes finger, and to the both hands of teachers hand is caused Refer to the certain infringement of dry and cracked grade, and only throw away when holding incessantly when chalk is slightly shorter, waste chalk resource.
The content of the invention
For technical problem present in above-mentioned prior art, the purpose of this utility model is to provide a kind of cleaning type chalk Shell, it is avoided that directly contact chalk, had both avoided the pollution of chalk powder opponent, is easy to carry again, health and facilitates, can To reduce injury of the chalk powder to the both hands of teachers;Chalk is saved, the expenditure of school is saved, is social energy saving, favorably It is social in low-carbon type is built.
The technical solution of the utility model:
A kind of cleaning type chalk shell, including inner housing, shell body and shell cap, the front end of the inner housing be it is hollow, For solid, inner housing afterbody is provided with two projections, and shell body internal layer is provided with twice groove for rear end, can allow the prominent of inner housing afterbody Rise and slide, shell body internal layer front end is provided with twice draw-in groove, the projection of inner housing afterbody can be allowed to block fixation after rotating, chalk exists In inner housing, inner housing is in shell body.
A kind of cleaning type chalk shell, preferred scheme is that the inner housing afterbody is provided with symmetrical two projection.
A kind of cleaning type chalk shell, preferred scheme is that the shell body internal layer is provided with the symmetrical groove of twice.
A kind of cleaning type chalk shell, preferred scheme is that the shell body internal layer front end is provided with symmetrical twice card Groove.
A kind of cleaning type chalk shell, preferred scheme is, the shell body afterbody have it is closed be left white, it is closed to be left white Inside it is put into wet sponge.
The beneficial effects of the utility model are:It is avoided that directly contact chalk, had both avoided the pollution of chalk dust opponent, It is easy to carry again, health and facilitates, it is possible to reduce injury of the chalk powder to the both hands of teachers;Can be by too short chalk end Use, lengthened, conveniently write, it is to avoid waste, save chalk, save the expenditure of school, be social energy saving, have It is social beneficial to low-carbon type is built.
Description of the drawings
Fig. 1 is the cleaning type chalk shell structural representation of specific embodiment.
Fig. 2 is the inner shell structure schematic diagram of specific embodiment.
Fig. 3 is the outer shell construction schematic diagram of specific embodiment.
In figure:1. chalk, 2. inner housing, 3. shell body, 4. shell cap, 5. wet sponge, 6. inner housing front end, 7. inner housing Rear end, 8. projection, 9. draw-in groove, 10. groove, 11. closed are left white.
Specific embodiment
The utility model is illustrated with reference to embodiment and accompanying drawing, but protection domain is not limited by this.
A kind of cleaning type chalk shell of embodiment 1, structure as shown in figure 1, including inner housing 2, shell body 3 and shell cap 4, The inner housing front end 6 is hollow, and inner housing rear end 7 is solid, and the afterbody of the inner housing 2 is provided with symmetrical two projection, Shell body internal layer is provided with the symmetrical groove 10 of twice, can allow the tab slides of the afterbody of inner housing 2, the internal layer front end of shell body 3 The symmetrical draw-in groove 9 of twice is provided with, the projection 8 of the afterbody of inner housing 2 can be allowed to block fixation after rotating, the afterbody of shell body 3 has envelope Enclosed is left white 11, and closed being left white in 11 is put into wet sponge 5, and in inner housing 2, the chalk is circular chalk, inner casing to chalk 1 Body 2 is in shell body 3, if being stained with finger and on hand chalk powder when writing, after can be extracted shell cap, with wet sponge hand is wiped Refer to.
A kind of cleaning type chalk shell of embodiment 2, structure still as shown in figure 1, as different from Example 1, including chalk 1 In housing 2, the chalk is hexagon chalk, and inner housing 2 is in shell body 3.
The above, specific embodiment only of the present utility model, but protection domain of the present utility model do not limit to In this.For a person skilled in the art, the utility model can have various modifications and variations.It is all of the present utility model Within spirit and principle, any modification, equivalent substitution and improvements made etc. should be included in protection domain of the present utility model Within.

Claims (5)

1. a kind of cleaning type chalk shell, including inner housing, shell body and shell cap, the front end of the inner housing be it is hollow, after
Hold as solid, inner housing afterbody is provided with two projections, and shell body internal layer is provided with twice groove, can allow inner housing afterbody Tab slides, shell body internal layer front end is provided with twice draw-in groove, and the projection of inner housing afterbody can be allowed to block fixation, chalk after rotating In inner housing, inner housing is in shell body.
2. cleaning type chalk shell as claimed in claim 1, it is characterised in that the inner housing afterbody is provided with symmetrical two Individual projection.
3. cleaning type chalk shell as claimed in claim 2, it is characterised in that it is symmetrical that the shell body internal layer is provided with twice Groove.
4. cleaning type chalk shell as claimed in claim 1, it is characterised in that the shell body internal layer front end is provided with symmetrical Twice draw-in groove.
5. cleaning type chalk shell as claimed in claim 4, it is characterised in that the shell body afterbody have it is closed be left white, It is closed be left white in be put into wet sponge.
CN201620834755.6U 2016-08-04 2016-08-04 Clean formula chalk shell Expired - Fee Related CN206141164U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620834755.6U CN206141164U (en) 2016-08-04 2016-08-04 Clean formula chalk shell

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620834755.6U CN206141164U (en) 2016-08-04 2016-08-04 Clean formula chalk shell

Publications (1)

Publication Number Publication Date
CN206141164U true CN206141164U (en) 2017-05-03

Family

ID=58626987

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620834755.6U Expired - Fee Related CN206141164U (en) 2016-08-04 2016-08-04 Clean formula chalk shell

Country Status (1)

Country Link
CN (1) CN206141164U (en)

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Legal Events

Date Code Title Description
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: 20170503

Termination date: 20180804