CN2421176Y

CN2421176Y - Electric non-dust teaching blackboard

Info

Publication number: CN2421176Y
Application number: CN 00243685
Authority: CN
Inventors: 赵涤宙
Original assignee: Individual
Current assignee: Individual
Priority date: 1999-09-13
Filing date: 2000-07-24
Publication date: 2001-02-28
Anticipated expiration: 2010-07-24

Abstract

The utility model discloses a novel teaching blackboard which can automatically erase chalk writing and has no powder dust pollution. The utility model mainly uses a board surface 2 which is made of soft belt material. Two rollers 4 are respectively fixed on both ends of a blackboard framework 1, and the soft-belt board surface 2 is wound on the rollers 4 to rotate together with the rollers 4. The board surface 2 is translated left and right. A hair brush 5 is fixed on the back surface of the board surface 2 in order to erase the power dust of the board surface. Erased powder dust is covered by a box body 7 and a dust collecting tank 3, and is collected into the dust collecting tank 3. The utility model prevents power dust from polluting a classroom, and provides a sanitary and clean classroom environment for teachers and students. Meanwhile, the manual blackboard erasing process is omitted. The automatic dustless blackboard provided by the utility model has the advantages of convenient use, no noise and no pollution. The utility model can be used in teaching in various schools.

Description

The driven dust-free blackboard for education

The utility model relates to a kind of blackboard of the usefulness of imparting knowledge to students.

The general now blackboard for education that uses, be on the wall in classroom, fix that a block length is square, surface black, smooth frosted glass be as the plate face of blackboard, around the plate face is framework, the teacher is when writing, directly write thereon again, wipe chalk writing on the plate face with blackboard eraser then, can write again with chalk.Move for convenience, blackboard can be supported on the support, place the classroom use of can imparting knowledge to students, the shortcoming of the blackboard maximum of using is that dust is many in use at present, contaminated environment, especially when erasing the board, dust is existed everywhere especially, and the academics and students is life many decades in such environment, and is very harmful to health, adolescent student is in the critical period of growing, and suffered harm is bigger.In addition when erasing the board, because distance is near, dust is many, pollution is big, not only health risk is also easily made clothes dirty, moreover to erase the board also be quite hard thing, and to the weakling, that is the part thing of working hard especially.Current at dust pollution, the manufacturer of chalk all attempts make the chalk of no dust pollution when writing, but effect to be unsatisfactory from the manufacturing composition of chalk time up and down.

The purpose of this utility model is from the angle of improvement blackboard, and a kind of automatic blackboard cleaning is provided, and the new teaching blackboard of no dust pollution.

In order to reach above purpose, the utility model adopts the soft strip material to make the plate face of blackboard, each fixes a roller rod at the two ends of blackboard framework, one of them rotates under the driving of motor, be the drive roll rod, one is the driven roll rod, soft band plate face is on two roller rods, under the drive roll rod drives, the plate face is around the left and right sides translation of two rollers rod, reverse side at soft band plate face has a fixing hairbrush, and bristle contacts with reverse side, just, between inverse plate surface and the two roller rods shape is arranged, the plate core that size and plate face adapt, plate core and the mutually little subsides of the madial wall of plate face, a box body is sealed hairbrush and reverse side from the top and the left and right sides, at the lower edge of box body and blackboard framework opening part, has dismountable dust collecting trough that opening is sealed.

The soft band plate face of this blackboard, each fixes a V-belt the last lower limb of madial wall, and the V-belt is enclosed within the rotating shaft at roller rod two ends.

The bristle of this blackboard can directly separately, longitudinally be fixed on the box body, also several rectangular brushes can be fixed on the box body at intervals.

The plate face adopts the new type blackboard of above structure, owing to the rotation of roller rod can make the left and right sides translation of plate face, and under the effect of hairbrush, can be wiped clean the plate face when forwarding the reverse side position to automatically.In addition because the sealing process of box body and dust collecting trough prevents dust polluting environment well,, also remove the teacher from simultaneously or the student goes to erase the board for Faculty and Students provide the classroom environment of sanitation and hygiene.

Below in conjunction with drawings and Examples the utility model is described in detail.

Fig. 1 is a front view of the present utility model.

Fig. 2 is a vertical view of the present utility model.

Fig. 3 is the schematic diagram of hairbrush.

Embodiment: as depicted in figs. 1 and 2, Automatic dust-free blackboard of the present utility model, be to adopt the soft strip material to make the plate face 2 of blackboard, each fixes a roller rod 4 at the two ends, the left and right sides of blackboard framework 1, one of them rotates under Motor Drive, be the drive roll rod, and another is the driven roll rod, the soft strip material is on two roller rods 4, rotation for ease of soft band plate face 2, can be on soft band plate face 2 madial walls, each fixes a V-belt 10 lower limb, V-belt 10 is enclosed within the rotating shaft at roller rod 4 two ends, tensioning, like this along with the rotation of drive roll rod 4, driving driven roll rod 4 by V-belt 10 rotates, soft like this band plate face 2 is done left and right sides translation, for reducing noise, the worm screw of motor and gear can adopt bakelite to make, reverse side 8 at soft band plate face 2, fixing hairbrush 5 is arranged, as shown in Figure 3, several rectangular brushes 11 can be fixed on the box body 7 at intervals, rectangular brush 11 is replaceable, the bristle of hairbrush 5 must contact with reverse side 8, along with plate face 2 is done left and right sides translation, hairbrush 5 is wiped clean the dust on the reverse side 2, for avoiding wiping the dust polluting environment that falls, an available box body 7 is from the upper edge and the left and right sides at blackboard framework 1 back side, hairbrush 5 and reverse side 8 are sealed, and the opening at the lower edge of blackboard framework 1 and place, box body 7 lower edges is sealed up opening with dust collecting trough 3, regularly the dust of collecting is cleaned out for convenient, dust collecting trough 3 can be fixed on the blackboard framework 1 with screw, also dust collecting trough 3 can be linked to each other with dust catcher, utilizes dust catcher in time dust to be absorbed, in addition, just, between inverse plate surface 2,8 and the two roller rods 4, place a shape, the plate core 6 that size and plate face 2 adapt, the surface of plate core 6 and the mutually little subsides of plate face 2 madial walls, so that convenient when on plate face 2, writing, good hand touch.For ease of writing and reducing the transmission resistance, the surface of soft strip material should be smooth, and certain coefficient of friction is arranged, and its back side also should be smooth smooth, the surface of plate core 6 also should be smooth smooth, for preventing along with service time is long, soft band plate face 2 is loose, can be on blackboard framework 1, stationary roll rod 4 places, upper and lower respectively have a roll-setting gear 9, and the distance that fine-tuning two rollers rod is 4 is with the soft band plate face 2 of tensioning.

Except that the above structure, blackboard of the present utility model, its hairbrush can also have other constructional variant, and do not break away from the utility model scope, as directly separately with bristle, longitudinally be fixed on the box body, also can with become mildewed and undercoat respectively be fixed on the box body, in addition, the drive roll rod can adopt the electromotive roller rod.

Claims

1. a teaching blackboard is characterized in that: adopt the soft strip material to make the plate face of blackboard; #602﹠amp; #62 is at Hei Bankuangjia ﹠amp; #601﹠amp; Each fixes a roller rod ﹠amp two ends, the left and right sides of #62; #604﹠amp; #62, one of them rotates under Motor Drive, is the drive roll rod, and another is the driven roll rod, soft band plate Mian ﹠amp; #602﹠amp; #62 is around master, driven roll rod ﹠amp; #604﹠amp; On the #62, along with drive roll rod ﹠amp; #604﹠amp; The rotation of #62, soft band plate Mian ﹠amp; #602﹠amp; #62 does left and right sides translation, at soft band plate Mian ﹠amp; #602﹠amp; The Fan Mian ﹠amp of #62; #608﹠amp; There is fixing Mao Shua ﹠amp at the #62 place; #605﹠amp; #62, bristle and Fan Mian ﹠amp; #608﹠amp; The #62 contact is at positive and negative plate Mian ﹠amp; #602,8﹠amp; #62 and two rollers rod ﹠amp; #604﹠amp; Between the #62, a shape, size and plate Mian ﹠amp are arranged; #602﹠amp; The plate Xin ﹠amp that #62 adapts; #606﹠amp; #62, plate Xin ﹠amp; #606﹠amp; #62 and the mutually little subsides of the madial wall of plate face, a He Ti ﹠amp; #607﹠amp; #62 from top and the left and right sides with Mao Shua ﹠amp; #605﹠amp; #62 and Fan Mian ﹠amp; #608﹠amp; #62 is sealed, at He Ti ﹠amp; #607﹠amp; #62 and Hei Bankuangjia ﹠amp; #601﹠amp; The opening part of #62 lower edge has dismountable Ji Chencao ﹠amp; #603﹠amp; #62 is sealed opening.

2. blackboard for education according to claim 1 is characterized in that: Mao Shua ﹠amp; #605﹠amp; #62 is with several rectangular brush ﹠amp; #6010﹠amp; #62 is fixed on He Ti ﹠amp at intervals; #607﹠amp; On the #62.

3. blackboard for education according to claim 1 is characterized in that: at Hei Bankuangjia ﹠amp; #601﹠amp; The stationary roll rod ﹠amp of #62 one end; #604﹠amp; There is a Tiao Juzhuanzhi ﹠amp at the #62 place; #609﹠amp; #62 is to regulate two rollers rod ﹠amp; #604﹠amp; Distance between #62.

4. blackboard for education according to claim 1 is characterized in that: soft band plate Mian ﹠amp; #602﹠amp; #62 is a kind of surfacing, but certain coefficient of friction is arranged, and its madial wall is then smooth, smooth.

5. according to claim 1 or 4 described blackboard for education, it is characterized in that: soft band plate Mian ﹠amp; #602﹠amp; Each fixes a San Jiaodai ﹠amp the upper and lower edge of the madial wall of #62; #6010﹠amp; #62.