CN106240196A - A kind of blackboard with portable chalk box - Google Patents

A kind of blackboard with portable chalk box Download PDF

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Publication number
CN106240196A
CN106240196A CN201610728099.6A CN201610728099A CN106240196A CN 106240196 A CN106240196 A CN 106240196A CN 201610728099 A CN201610728099 A CN 201610728099A CN 106240196 A CN106240196 A CN 106240196A
Authority
CN
China
Prior art keywords
groove
chalk
blackboard
sleeve
fixed
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
Application number
CN201610728099.6A
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Chinese (zh)
Other versions
CN106240196B (en
Inventor
叶芳
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.)
Chongqing Puda science and Technology Co. Ltd.
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叶芳
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 叶芳 filed Critical 叶芳
Priority to CN201710642980.9A priority Critical patent/CN107443971A/en
Priority to CN201610728099.6A priority patent/CN106240196B/en
Publication of CN106240196A publication Critical patent/CN106240196A/en
Application granted granted Critical
Publication of CN106240196B publication Critical patent/CN106240196B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B43WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43LARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L1/00Repeatedly-usable boards or tablets for writing or drawing
    • B43L1/04Blackboards
    • AHUMAN NECESSITIES
    • A45HAND OR TRAVELLING ARTICLES
    • A45CPURSES; LUGGAGE; HAND CARRIED BAGS
    • A45C11/00Receptacles for purposes not provided for in groups A45C1/00-A45C9/00
    • A45C11/34Pencil boxes; Pencil etuis or the like
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B15/00Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
    • B08B15/02Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using chambers or hoods covering the area

Abstract

The invention discloses a kind of blackboard with portable chalk box, including blackboard main body and main cartridge, the extension cell body extended forward is formed on the bottom front face of described blackboard main body, main cartridge includes upper cartridge body and lower box body, upper cartridge body and lower box body are bolted to connection, form chalk on the end face of upper cartridge body and place groove, chalk is placed the bottom surface of groove and is had multiple through hole, connection bending part it is fixed with on the rear wall of described upper cartridge body, the rear end connecting bending part has the bending plate portion downwardly extended, bending plate portion sleeve is in extending cell body, in the front panel sleeve of extension cell body cell body between bending plate portion and upper cartridge body, it is bolted with multiple bulb plunger on the medial wall of the front panel extending cell body;It has dismountable main cartridge, main cartridge can be placed chalk, collected by the adsorbing powder dust that chalk produces simultaneously, be substantially reduced dust and blow afloat, effective, thus reduces the impact on user health.

Description

A kind of blackboard with portable chalk box
Technical field:
The present invention relates to teaching aid technical field, a kind of have the black of portable chalk box Plate.
Background technology:
In existing teaching, it is usually the chalk holder that chalk etc. is placed in the ledge for chalk on blackboard of blackboard or is placed on dais In, for the chalk being placed in ledge for chalk on blackboard, dust can be accumulated in ledge for chalk on blackboard by it so that when there is wind ledge for chalk on blackboard in the external world just The dust of chalk can be blown afloat so that user sucks and unhealthful.
Summary of the invention:
The purpose of the present invention is aiming at the deficiency of prior art, and provides a kind of and have the black of portable chalk box Plate, it has dismountable main cartridge, main cartridge can be placed chalk, collected, greatly by the adsorbing powder dust that chalk produces simultaneously The big dust that reduces blows afloat, effective, thus reduces the impact on user health.
The technology solution of the present invention is as follows:
A kind of blackboard with portable chalk box, including blackboard main body and main cartridge, the end of described blackboard main body Forming the extension cell body extended forward on portion's front face, main cartridge includes that upper cartridge body and lower box body, upper cartridge body and lower box body are logical Crossing the fixing connection of bolt, the end face of upper cartridge body forms chalk and places groove, chalk is placed the bottom surface of groove and is had multiple logical Hole, the rear wall of described upper cartridge body is fixed with connection bending part, and the rear end connecting bending part has the bending plate downwardly extended Portion, bending plate portion sleeve is extending in cell body, extends the front panel sleeve of the cell body cell body between bending plate portion and upper cartridge body In, the medial wall of the front panel extending cell body is bolted with multiple bulb plunger, the steel ball of bulb plunger stretches out and extends cell body The medial wall of front panel is also nested on the medial wall in bending plate portion in the shrinkage pool having, and the lower front wall of blackboard body sets Flexible piece, elastomer block is pressed against on the rear surface in bending plate portion, and the front face in bending plate portion is pressed against the antetheca extending cell body On the medial wall of plate;
Being fixed with demarcation strip at the right side of lower box body, lower box body is separated into charging groove and collection groove by demarcation strip, enters Material groove is in chalk and places the lower section of groove and communicate with through hole, and the right-hand member bottom surface of upper cartridge body has fan and places groove, logical Blower fan sleeve is in groove placed by fan, and ventilation blower is fixed on bottom fixed board, and bottom fixed board is in fan and places groove Bottom and be fixed on fan place groove medial wall on, the master that the air inlet sleeve of ventilation blower has on bottom fixed board In through hole, main through hole communicates with collection groove, and the base plate of collection groove has collection through hole, collects lid and is fixed on lower box body On bottom surface, collect lid end face form upwardly extending extension block, extension block sleeve in collection groove, the middle part of extension block Having collecting tank, demarcation strip has lateral through aperture, lateral through aperture one end communicates with charging groove, the other end of lateral through aperture with Collection groove communicates.
Described fan is placed and is formed exhaust hole on the sidewall of groove.
Being fixed with baffle plate on described demarcation strip, baffle plate is in the underface of main through hole, and lateral through aperture is in the lower section of baffle plate.
The described end face edge collecting lid has upwardly extending iron and steel post, and the base plate of lower box body has multiple location Hole, permanent magnet inserting is enclosed within hole, location, and the lateral wall of permanent magnet set is fixed on the medial wall in hole, location, and iron and steel post sleeve exists Permanent magnet set in and adsorb permanent magnet overlap in.
Being fixed with guide plate in described charging groove, guide plate is in below through hole, the bottom surface of guide plate has connected and has led Xiang Guan, the other end of guide pipe connects lateral through aperture.
Described chalk is placed and is fixed with limit, location on the inside middle portion wall of groove, and screen pack sleeve places groove at chalk In and be pressed against on limit, location, ring compression set is nested in chalk and places in groove, and the bottom surface of ring compression set is pressed against filtration The end face edge of web plate, the top exterior walls wall of ring compression set has extension and is pressed against limit, extends and is pressed against limit and is pressed against chalk and puts On the end face of the sidewall putting groove.
Being fixed with resilient sleeve on the lower front wall of described blackboard body, the front end face of resilient sleeve is fixed with front apron, bullet Spring plug bush is in resilient sleeve, and the rear portion sleeve of elastomer block is in resilient sleeve, and spring one end is fixed on the bottom surface of resilient sleeve, spring The other end be fixed on the rear end of elastomer block, the front end of elastomer block is stretched out front apron and forms and reclinate be pressed against portion, The portion of being pressed against is pressed against on the rear surface in bending plate portion.
The front end of described connection bending part has the post that is spirally connected, and the post that is spirally connected passes sidewall and the side of ring compression set of upper cartridge body Wall is also bolted with fixing nut.
The beneficial effects of the present invention is:
It has dismountable main cartridge, main cartridge can be placed chalk, received by the adsorbing powder dust that chalk produces simultaneously Collection, is substantially reduced dust and blows afloat, effective, thus reduces the impact on user health.
Accompanying drawing illustrates:
Fig. 1 is the structural representation of the present invention;
Fig. 2 is the partial sectional view of the present invention;
Fig. 3 is the partial structurtes schematic diagram of the main cartridge of the present invention.
Detailed description of the invention:
Embodiment: as shown in Fig. 1 to Fig. 3, a kind of blackboard with portable chalk box, including blackboard main body 30 He Main cartridge 100, the bottom front face of described blackboard main body 30 forms the extension cell body 31 extended forward, and main cartridge 100 wraps Include upper cartridge body 10 and lower box body 20, upper cartridge body 10 and lower box body 20 to be bolted to connection, molding on the end face of upper cartridge body 10 Having chalk to place groove 11, chalk is placed the bottom surface of groove 11 and is had multiple through hole 12, solid on the rear wall of described upper cartridge body 10 Surely having connection bending part 16, the rear end connecting bending part 16 has the bending plate portion 161 downwardly extended, bending plate portion 161 sleeve In extending cell body 31, in the front panel sleeve of extension cell body 31 cell body between bending plate portion 161 and upper cartridge body 10, extend Being bolted with multiple bulb plunger 32 on the medial wall of the front panel of cell body 31, the steel ball of bulb plunger 32 stretches out and extends cell body 31 The medial wall of front panel is also nested on the medial wall in bending plate portion 161 in the shrinkage pool 162 having, before the bottom of blackboard body 30 Sidewall is provided with elastomer block 33, and elastomer block 33 is pressed against on the rear surface in bending plate portion 161, the front face pressure in bending plate portion 161 Lean against on the medial wall of the front panel extending cell body 31;
Being fixed with demarcation strip 21 at the right side of lower box body 20, lower box body 20 is separated into charging groove 22 and receives by demarcation strip 21 Collection groove 23, charging groove 22 is in chalk and places the lower section of groove 11 and communicate with through hole 12, the right-hand member bottom surface of upper cartridge body 10 Having fan and place groove 13, ventilation blower 14 sleeve is in groove 13 placed by fan, and ventilation blower 14 is fixed on bottom fixed board 15 On, bottom fixed board 15 is in fan and places the bottom of groove 13 and be fixed on the medial wall of fan placement groove 13, ventilates In the main through hole 151 that the air inlet sleeve of machine 14 has on bottom fixed board 15, main through hole 151 communicates with collection groove 23, There is on the base plate of collection groove 23 collection through hole 231, collect lid 24 and be fixed on the bottom surface of lower box body 20, collect the top of lid 24 Face forms upwardly extending extension block 241, and extension block 241 sleeve is in collection groove 23, and the middle part of extension block 241 has receipts Collection groove 242, demarcation strip 21 has lateral through aperture 211, and lateral through aperture 211 one end communicates with charging groove 22, lateral through aperture 211 The other end communicate with collection groove 23.
Further, described fan is placed and is formed exhaust hole 131 on the sidewall of groove 13.
Further, described demarcation strip 21 being fixed with baffle plate 25, baffle plate 25 is in the underface of main through hole 151, side Wall through hole 211 is in the lower section of baffle plate 25.
Further, the described end face edge collecting lid 24 has upwardly extending iron and steel post 243, the end of lower box body 20 There is on plate hole, multiple location 26, permanent magnet overlap 27 sleeves location hole 26 in, permanent magnet set 27 lateral wall be fixed on location On the medial wall in hole 26, iron and steel post 243 sleeve is in permanent magnet set 27 and adsorbs in permanent magnet set 27.
Further, being fixed with guide plate 28 in described charging groove 22, guide plate 28 is in below through hole 12, guides Having connected guide pipe 29 on the bottom surface of plate 28, the other end of guide pipe 29 connects lateral through aperture 211.
Further, described chalk is placed and is fixed with limit 111, location, screen pack on the inside middle portion wall of groove 11 112 sleeves are in groove 11 placed by chalk and are pressed against on limit 111, location, and ring compression set 113 is nested in chalk and places groove In 11, the bottom surface of ring compression set 113 is pressed against the end face edge of screen pack 112, the top exterior walls wall of ring compression set 113 On there is extension be pressed against limit 114, extend and be pressed against limit 114 and be pressed against on the end face of the sidewall that groove 11 placed by chalk.
Further, the lower front wall of described blackboard body 30 is fixed with resilient sleeve 34, the front end of resilient sleeve 34 Face is fixed with front apron 35, spring 36 sleeve in resilient sleeve 34, the rear portion sleeve of elastomer block 33 in resilient sleeve 34, spring 36 One end is fixed on the bottom surface of resilient sleeve 34, and the other end of spring 36 is fixed on the rear end of elastomer block 33, before elastomer block 33 End stretches out front apron 35 and forms and reclinate be pressed against portion 331, is pressed against portion 331 and is pressed against the rear surface in bending plate portion 161 On.
Further, the front end of described connection bending part 16 has the post 163 that is spirally connected, and the post 163 that is spirally connected is through upper cartridge body 10 Sidewall and ring compression set 113 sidewall and be bolted with fixing nut 164.
Operation principle: by being fixed on upper cartridge body 10 by connection bending part 16, then, will connect the bending of bending part 16 Plate portion 161 sleeve, in extending cell body 31, is gripped by bulb plunger 32 and elastomer block 33, and it removes and installs conveniently, so After, chalk is placed on screen pack 112 so that chalk dust enters chalk by screen pack 112 and places groove 11 On bottom surface, run by ventilation blower 14, it is achieved air-breathing so that dust is entered in collection groove 23 by guide pipe 29, subsequently into In collecting tank 242, after accumulating certain dust, firmly pull downward on collection lid 24 and i.e. can be taken off toppling over, very convenient.

Claims (8)

1. having a blackboard for portable chalk box, including blackboard main body (30) and main cartridge (100), its feature exists In: forming the extension cell body (31) extended forward on the bottom front face of described blackboard main body (30), main cartridge (100) includes Upper cartridge body (10) and lower box body (20), upper cartridge body (10) and lower box body (20) are bolted to connection, the top of upper cartridge body (10) Forming chalk on face and place groove (11), chalk is placed the bottom surface of groove (11) and is had multiple through hole (12), described upper cartridge body (10) being fixed with connection bending part (16) on rear wall, the rear end connecting bending part (16) has the bending plate portion downwardly extended (161), bending plate portion (161) sleeve, in extending cell body (31), extends the front panel sleeve of cell body (31) in bending plate portion (161), in the cell body and between upper cartridge body (10), the medial wall of the front panel extending cell body (31) is bolted with multiple ball head column Plug (32), the steel ball of bulb plunger (32) stretches out the medial wall of the front panel extending cell body (31) and is nested in bending plate portion (161), in the shrinkage pool (162) having on medial wall, the lower front wall of blackboard body (30) is provided with elastomer block (33), bullet Property block (33) be pressed against on the rear surface of bending plate portion (161), the front face of bending plate portion (161) be pressed against extension cell body (31) Front panel medial wall on;
Being fixed with demarcation strip (21) at the right side of lower box body (20), lower box body (20) is separated into charging groove by demarcation strip (21) And collection groove (23) (22), charging groove (22) is in chalk and places the lower section of groove (11) and communicate with through hole (12), on The right-hand member bottom surface of box body (10) has fan and places groove (13), and ventilation blower (14) sleeve is in groove (13) placed by fan, logical Blower fan (14) is fixed on bottom fixed board (15), and bottom fixed board (15) is in fan and places the bottom of groove (13) and fix On the medial wall that groove (13) placed by fan, the master that the air inlet sleeve of ventilation blower (14) has on bottom fixed board (15) In through hole (151), main through hole (151) communicates with collection groove (23), and the base plate of collection groove (23) has collection through hole (231), collecting lid (24) and be fixed on the bottom surface of lower box body (20), the end face collecting lid (24) forms upwardly extending extension Block (241), extension block (241) sleeve is in collection groove (23), and the middle part of extension block (241) has collecting tank (242), separates Having lateral through aperture (211) on plate (21), lateral through aperture (211) one end communicates with charging groove (22), lateral through aperture (211) The other end communicates with collection groove (23).
A kind of blackboard with portable chalk box, it is characterised in that: described fan is placed Exhaust hole (131) is formed on the sidewall of groove (13).
A kind of blackboard with portable chalk box, it is characterised in that: described demarcation strip (21) being fixed with baffle plate (25) on, baffle plate (25) is in the underface of main through hole (151), and lateral through aperture (211) is in baffle plate (25) lower section.
A kind of blackboard with portable chalk box, it is characterised in that: described collection is covered (24) end face edge has upwardly extending iron and steel post (243), and the base plate of lower box body (20) has hole, multiple location (26), Permanent magnet set (27) sleeve is in hole, location (26), and the lateral wall of permanent magnet set (27) is fixed on the medial wall of hole, location (26) On, iron and steel post (243) sleeve is in permanent magnet set (27) and adsorbs in permanent magnet set (27).
A kind of blackboard with portable chalk box, it is characterised in that: described charging groove (22) being fixed with guide plate (28) in, guide plate (28) is in through hole (12) lower section, the bottom surface of guide plate (28) has connected and has led To pipe (29), the other end of guide pipe (29) connects lateral through aperture (211).
A kind of blackboard with portable chalk box, it is characterised in that: described chalk is placed Being fixed with limit, location (111) on the inside middle portion wall of groove (11), screen pack (112) sleeve is in groove (11) placed by chalk And be pressed against on limit, location (111), ring compression set (113) is nested in chalk and places in groove (11), ring compression set (113) Bottom surface be pressed against the end face edge of screen pack (112), the top exterior walls wall of ring compression set (113) has extension and is pressed against Limit (114), extends on the end face being pressed against the sidewall that limit (114) is pressed against chalk placement groove (11).
A kind of blackboard with portable chalk box, it is characterised in that: described blackboard body (30) being fixed with resilient sleeve (34) on lower front wall, the front end face of resilient sleeve (34) is fixed with front apron (35), spring (36) sleeve is in resilient sleeve (34), and the rear portion sleeve of elastomer block (33) is in resilient sleeve (34), and spring (36) one end is fixed on On the bottom surface of resilient sleeve (34), the other end of spring (36) is fixed on the rear end of elastomer block (33), the front end of elastomer block (33) Stretch out front apron (35) and form and reclinate be pressed against portion (331), being pressed against portion (331) and be pressed against bending plate portion (161) On rear surface.
A kind of blackboard with portable chalk box, it is characterised in that: described connection bending The front end in portion (16) has the post that is spirally connected (163), and the post that is spirally connected (163) passes sidewall and the ring compression set (113) of upper cartridge body (10) Sidewall and be bolted with fixing nut (164).
CN201610728099.6A 2016-08-25 2016-08-25 A kind of blackboard with portable chalk box Active CN106240196B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201710642980.9A CN107443971A (en) 2016-08-25 2016-08-25 A kind of blackboard main cartridge with portable chalk box
CN201610728099.6A CN106240196B (en) 2016-08-25 2016-08-25 A kind of blackboard with portable chalk box

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610728099.6A CN106240196B (en) 2016-08-25 2016-08-25 A kind of blackboard with portable chalk box

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CN201710642980.9A Division CN107443971A (en) 2016-08-25 2016-08-25 A kind of blackboard main cartridge with portable chalk box

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CN106240196A true CN106240196A (en) 2016-12-21
CN106240196B CN106240196B (en) 2017-11-07

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CN201710642980.9A Pending CN107443971A (en) 2016-08-25 2016-08-25 A kind of blackboard main cartridge with portable chalk box

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110757991A (en) * 2019-11-12 2020-02-07 江苏斯固信息科技有限公司 Teaching aid for drawing on blackboard plane
CN112497957A (en) * 2020-12-07 2021-03-16 安徽文香信息技术有限公司 Chalk storage device for intelligent blackboard

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002200888A (en) * 2000-12-27 2002-07-16 Tomoji Oikawa Blackboard
CN2774804Y (en) * 2005-03-21 2006-04-26 荣延祥 Dust suction device for blackboard
CN202448579U (en) * 2012-02-15 2012-09-26 王君宇 Dust-adsorbing blackboard groove
CN203110695U (en) * 2012-12-25 2013-08-07 重庆市清华中学校 Blackboard groove with dust collection box
CN203121386U (en) * 2012-12-25 2013-08-14 重庆市清华中学校 Multifunctional chalk box
CN103565067A (en) * 2013-11-08 2014-02-12 劳卓昌 Containing box for pieces of chalk and eraser plate
CN203618957U (en) * 2013-12-20 2014-06-04 西南石油大学 Multifunctional chalk box
CN204181130U (en) * 2014-11-19 2015-03-04 广东客都实业投资有限公司 A kind of environmental protection chalk box
CN205009827U (en) * 2015-08-28 2016-02-03 鸿合科技有限公司 Take blank of pencil box
CN205326583U (en) * 2015-12-28 2016-06-22 石家庄科达文教用品有限公司 A assembled basin for wet rubbing clipboard

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06239091A (en) * 1993-02-16 1994-08-30 Umajirushi:Kk Chalk powder receiving plate of blackboard
CN201282806Y (en) * 2008-09-16 2009-08-05 孟祥鑫 Chalk fixing box
CN201536743U (en) * 2009-11-30 2010-08-04 李玉新 Suspended multifunctional chalk box
CN201668079U (en) * 2010-05-11 2010-12-15 齐那尔·木拉力别克 Chalk box
CN201976985U (en) * 2011-03-18 2011-09-21 郑新卿 Chalk box
CN202311769U (en) * 2011-11-03 2012-07-11 王峰 Wall-mounted chalk placing box
CN202714380U (en) * 2012-08-07 2013-02-06 刘雪霞 Slidable chalk box
CN103815642A (en) * 2012-11-19 2014-05-28 李东临 Chalk box
CN102948989A (en) * 2012-11-26 2013-03-06 姚宁 Multifunctional chalk box
CN202919302U (en) * 2012-11-27 2013-05-08 南京工程学院 Guide rail type sliding chalk box
CN203041039U (en) * 2012-12-11 2013-07-10 刘瑞初 Novel chalk box
CN103431607A (en) * 2013-08-20 2013-12-11 王雪松 Novel chalk box
CN203676376U (en) * 2013-12-05 2014-07-02 张继开 Writing case
CN203952721U (en) * 2014-06-24 2014-11-26 韩瑞 A kind of multifunctional chalk frame
CN105310239A (en) * 2014-08-04 2016-02-10 陈蕊 Chalk box
CN204682815U (en) * 2015-05-21 2015-10-07 黄竞瑶 A kind of teaching chalk holder

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002200888A (en) * 2000-12-27 2002-07-16 Tomoji Oikawa Blackboard
CN2774804Y (en) * 2005-03-21 2006-04-26 荣延祥 Dust suction device for blackboard
CN202448579U (en) * 2012-02-15 2012-09-26 王君宇 Dust-adsorbing blackboard groove
CN203110695U (en) * 2012-12-25 2013-08-07 重庆市清华中学校 Blackboard groove with dust collection box
CN203121386U (en) * 2012-12-25 2013-08-14 重庆市清华中学校 Multifunctional chalk box
CN103565067A (en) * 2013-11-08 2014-02-12 劳卓昌 Containing box for pieces of chalk and eraser plate
CN203618957U (en) * 2013-12-20 2014-06-04 西南石油大学 Multifunctional chalk box
CN204181130U (en) * 2014-11-19 2015-03-04 广东客都实业投资有限公司 A kind of environmental protection chalk box
CN205009827U (en) * 2015-08-28 2016-02-03 鸿合科技有限公司 Take blank of pencil box
CN205326583U (en) * 2015-12-28 2016-06-22 石家庄科达文教用品有限公司 A assembled basin for wet rubbing clipboard

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110757991A (en) * 2019-11-12 2020-02-07 江苏斯固信息科技有限公司 Teaching aid for drawing on blackboard plane
CN112497957A (en) * 2020-12-07 2021-03-16 安徽文香信息技术有限公司 Chalk storage device for intelligent blackboard

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Address before: 528225 Guangdong Province Nanhai District of Foshan City Shishan town Heng Hui Hai GUI Dan Road, building 3 1501

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