CN2834929Y - Vertical blackboard machine capable of circuiting automatically - Google Patents
Vertical blackboard machine capable of circuiting automatically Download PDFInfo
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- CN2834929Y CN2834929Y CN 200520004979 CN200520004979U CN2834929Y CN 2834929 Y CN2834929 Y CN 2834929Y CN 200520004979 CN200520004979 CN 200520004979 CN 200520004979 U CN200520004979 U CN 200520004979U CN 2834929 Y CN2834929 Y CN 2834929Y
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- frame
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- board
- circuiting
- roll
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Abstract
The utility model relates to a blackboard used for teaching by a teacher in a school, especially a vertical blackboard machine capable of circuiting automatically. The utility model is characterized in that the utility model mainly comprises a machine frame, a drive roll, a driven roll, a writing backing board, a circuiting writing board, two cleaning brushes, a spiral dust remover, a dust collecting box, a clutch, a worm wheel speed reducer and an electric motor, wherein the machine frame is welded by square tubes and is fixed on a base by foot screws; the drive roll and the driven roll which are made of steel tubes are respectively supported on the upper and the lower parts of the frame machine by a bearing mechanism; the writing backing board which is made of a three-ply wooden board with a smooth surface is fixedly arranged on the front surface of the machine frame between the drive roll and the driven roll; the upper and the lower parts of the inner side of the circuiting writing board respectively have friction contact with the drive roll and the driven roll, and the circuiting writing board is made of high-intensity chemical fiber; the surfaces of the two cleaning brushes which are made of the steel tubes are provided with hog bristle or horsetail bristle; the spiral dust remover is provided with spiral blades; the dust collecting box is made of steel boards. The utility model reduces labor intensity of the teacher and air pollution of the classroom, shape is novel and functions are complete.
Description
Affiliated technical field
The utility model relates to the blackboard that the schoolman gives lessons and uses, and particularly relates to a kind of vertical blackboard machine that goes in ring automatically.
Background technology
Present schoolman's blackboard of giving lessons and using, common have two kinds of forms: a kind of is to make with different materials, extension blackboard on the wall; Another kind is to utilize metope through effectively handling the blackboard of making.They in use have following shortcoming: the one, during teacher's writing on the blackboard in order to make full use of limited plate face, the time and the eminence of raising one's hand of jumping is write, the time and the bent body lower of bending over is write the inevitable rise and fall thereupon of health, so not only write inconvenience, also influence the student simultaneously and copy sight line.The 2nd, erasable repeatedly blackboard has not only increased labour intensity during teachers' instruction, and has prolonged instructional blocks of time.The 3rd, contaminated air, erasing the board makes dust from flying, the classroom air is polluted.
Summary of the invention
The purpose of this utility model is at above-mentioned shortcoming, designs a kind of teachers work intensity that alleviates, and reduces the brand-new mechanism of air pollution of classroom, its modern design, complete function, the practical vertical blackboard machine that goes in ring automatically.
To achieve these goals, the utility model by the following technical solutions.
A kind of vertical blackboard machine that goes in ring automatically is characterized in that it comprises:
Frame---height * wide * thick support body that this frame adopts square tube to be welded, its underpart are provided with the seal box into the steel plate weldering, and the bottom of frame is fixed on the basis with fang bolt;
Drive roll---this roller is made with steel pipe, and the two ends welded flange spindle nose of roller is supported on upper rack by Bearning mechanism;
Driven roll---this roller is to use the steel pipe identical with the drive roll diameter to make, and the two ends welded flange spindle nose of roller is supported on frame lower by Bearning mechanism;
Backing plate writes---and the plate with surfacing is made, and is stabilized in the frame front between drive roll and the driven roll;
Board goes in ring---and with the fabric endless belt of high-strength chemical fiber, its inboard upper and lower position rubs mutually with driven roll with drive roll respectively and contacts, and its positive inboard is leaned on mutually with the backing plate that writes;
It is clear that brushing---this brush is two, be to make with steel pipe, be equipped with at outer surface of steel tube and highly be the bristles of 30mm or horse hair hair on the neck, and rub mutually with the bottom of belt board, the two ends of clear brushing are supported on the lifter that links to each other with the bottom of frame both sides by Bearning mechanism;
Spiral dust catcher---this deduster main shaft adopts the steel pipe of band helical blade to make, and its two ends are welded with spindle nose, and are supported on frame lower by Bearning mechanism;
Disposal box---make with steel plate, place the seal box head bottom part;
Clutch---be packed in frame one side lower part, this clutch is connected with spiral dust catcher, and drives two clear brushings by driving triangular belt;
Worm reduction gear---be packed in a side of frame, its output links to each other with clutch with drive roll respectively by driving triangular belt;
Motor---be packed in frame one side lower part, its output is connected with worm reduction gear by driving triangular belt.
Owing to adopted technique scheme, compared with the prior art the utility model has alleviated teacher's labour intensity, has reduced the classroom pollution, its modern design, and complete function, practical.
Description of drawings
Fig. 1 is the utility model structure chart
Fig. 2 is the utility model side view
The specific embodiment
Embodiment in conjunction with the accompanying drawings further specifies as follows to the utility model:
A kind of vertical blackboard machine that goes in ring automatically, it is characterized in that it comprises: frame 8---height * wide * thick support body that this frame adopts square tube to be welded, its underpart is provided with the seal box 19 into the steel plate weldering, the bottom of frame is fixed on the basis with four fang bolts 23, and frame is provided with safeguard protection earth connection 24 simultaneously; Drive roll 12---this roller is made with steel pipe, and the two ends welded flange spindle nose of roller is supported on upper rack by Bearning mechanism; Driven roll 16---this roller is to use the steel pipe identical with the drive roll diameter to make, and the two ends welded flange spindle nose of roller is supported on frame lower by Bearning mechanism; Backing plate 9 writes---and close plank with three of surfacing and make, be stabilized in the frame front between drive roll and the driven roll; Board 21 goes in ring---and with the fabric endless belt of high-strength chemical fiber, its inboard upper and lower position rubs mutually with driven roll with drive roll respectively and contacts, and its positive inboard is leaned on mutually with the backing plate that writes; It is clear that brushing---this brush is two, one is once clear brushing 18, one is the clear brushing 17 of secondary, this brush is to make with steel pipe, be equipped with at outer surface of steel tube and highly be the bristles of 30mm or horse hair hair on the neck, and rub mutually with the bottom of belt board, the two ends of clear brushing are supported on the lifter 4 that links to each other with the bottom of frame both sides by Bearning mechanism; Spiral dust catcher 10---this deduster main shaft adopts the steel pipe of band helical blade to make, and its two ends are welded with spindle nose, and are supported on frame lower by Bearning mechanism; Disposal box 11---make with steel plate, place the seal box head bottom part; Clutch 7---be fixed in frame one side lower part, this clutch is connected with spiral dust catcher, and drives two clear brushings by driving triangular belt 6; Worm reduction gear 14---be packed in a side of frame, its output links to each other with clutch with drive roll respectively by driving triangular belt 3,5; Motor 15---be packed in the bottom of frame one side, its output is connected with worm reduction gear by driving triangular belt 13.The utility model can be established adjustable fluorescent lamp 20 and safety guard 2 as required, is supported on the upper rack both sides with illuminating lamp support casing 1.Numbering 22 is electric appliance control boxes among Fig. 2, adopts single button control motor.
The utility model can be made into the product of different size, and for example: the belt board width specifications of this machine can be 0.8 meter, and 1.0 meters, 1.2 meters, 1.42 meters, 1.6 meters.Wherein 1.42 meters is best.
As depicted in figs. 1 and 2.
Frame is high 2.26 meters, and is wide 1.55 meters, 0.12 meter of frame thickness, and 0.26 meter of bottom thickness, 0.3 meter of lower margin thickness, this frame adopts empty stomach 40mm * 40mm square tube to be welded, and this square tube intensity is big, in light weight.The illuminating lamp support casing, totally two.Jacket wall has two jackscrews to come firm adjustable fluorescent lighting fixture.Safety guard forms with 0.5 thick welded steel plate.Driving triangular belt 3 is two on A types.Lifter, totally 4 is the bearing box that is used for supporting clear brushing, the bearing box both sides square groove that can slide up and down, jackscrew is arranged at the bottom, and when the degree of tightness jackscrew, can making clearly, brushing moves up and down.Driving triangular belt 5 is 1 on A types.Driving triangular belt 6 is 1 on A types.Clutch 1 cover, when clutch is closed, the just work of clear brushing, when clutch was opened, clear brushing just quit work.Write 1 on backing plate, this part closes plank with three and makes, and the surface is smooth, and is high 1.3 meters, wide 1.48 meters, is stabilized in before the frame positively, leans on mutually with belt board, so play the backing plate supporting role when writing.Spiral dust catcher is located at the clear brushing of seal box lower end, the dust collection that brush is fallen is in dust box, this spiral dust catcher main shaft is made with caliber 50 * 3 steel pipes, spiral leaf thickness 2mm, pitch 80mm, spiral leaf external diameter 100mm, two ends welding round steel spindle nose, after finish turning processing, rolling bearing is respectively joined at two ends, model 207, this spiral dust catcher per minute 8 changes.Disposal box is made with 0.5 steel plate, is installed in the seal box head bottom part, and dust collection completely back is in time removed.Drive roll is made with caliber 120 * 3 steel pipes, and two ends welded flange spindle nose assembles 207 bearings, and this drive roll per minute 10 changes.Driving triangular belt 13 is two on A types.Worm reduction gear speed ratio 1: 60, centre-to-centre spacing 70mm, power shaft per minute 900 changes, and output shaft per minute 15 changes.250 watts of motor power (output)s, per minute 1450 changes single-phase 220 volts.Driven roll roller footpath 120mm makes with caliber 120 * 3 steel pipes, and two ends welded flange spindle nose assembles 207 bearings.Clear brushing 17 main shafts of secondary are made with caliber 50 * 3 steel pipes, clear brushing bristles height 30mm, and two ends welding spindle nose assembles 207 bearings, and per minute 20 changes, and for preventing to produce static, clear brushing adopts bristles or horse hair hair on the neck.Once clear brushing 18, it is identical with the clear brushing of size and secondary to manufacture material.Seal box is made with 0.5 steel plate.2 of adjustable fluorescent lamps, each 20 watts.1.42 meters of the board plate face widths of going in ring are made with blue look high-strength chemical fiber cloth, and the joint of going in ring overlaps with glue.220 volts of electric appliance control boxes, 290 watts of total capacities adopt the single button control motor of electromagnetic switch, and single button is connected into hand and pushes the push button motor rotation, and hand leaves the push button motor and just shuts down.The lower margin setscrew, specification M14,4.The safeguard protection earth connection is connected ground connection with frame.
When using the utility model, open the electric appliance control box power turn-on, press the button, motor rotates, and drive drive roll, driven roll and belt board upwards go in ring and move, and hand leaves button, and motor shuts down, and belt board also stops.The teacher writes with chalk on suitable height and position is going in ring board, if the belt board that does not write is low, can press the button, the board that goes in ring is upwards gone in ring to be moved, when the belt board that has letter written with chalk moved to the position of brushing clearly, clear brushing 18,17 was wiped letter written with chalk, and dust is fallen in the seal box, by spiral dust catcher with dust collection in disposal box, remove when full to dust.Use continuously if the teacher wants to keep the writing on the blackboard of having finished writing, clutch is opened, clear brushing is fallen from belt board, and clear brushing just quits work, and the teacher can arbitrarily handle belt board.
Claims (1)
- A kind of vertical blackboard machine that goes in ring automatically is characterized in that it comprises:Frame---height * wide * thick support body that this frame adopts square tube to be welded, its underpart are provided with the seal box into the steel plate weldering, and the bottom of frame is fixed on the basis with fang bolt;Drive roll---this roller is made with steel pipe, and the two ends welded flange spindle nose of roller is supported on upper rack by Bearning mechanism;Driven roll---this roller is to use the steel pipe identical with the drive roll diameter to make, and the two ends welded flange spindle nose of roller is supported on frame lower by Bearning mechanism;Backing plate writes---and the plate with surfacing is made, and is stabilized in the frame front between drive roll and the driven roll;Board goes in ring---and with the fabric endless belt of high-strength chemical fiber, its inboard upper and lower position rubs mutually with driven roll with drive roll respectively and contacts, and its positive inboard is leaned on mutually with the backing plate that writes;It is clear that brushing---this brush is two, be to make with steel pipe, be equipped with at outer surface of steel tube and highly be the bristles of 30mm or horse hair hair on the neck, and rub mutually with the bottom of belt board, the two ends of clear brushing are supported on the lifter that links to each other with the bottom of frame both sides by Bearning mechanism;Spiral dust catcher---this deduster main shaft adopts the steel pipe of band helical blade to make, and its two ends are welded with spindle nose, and are supported on frame lower by Bearning mechanism;Disposal box---make with steel plate, place the seal box head bottom part;Clutch---be packed in frame one side lower part, this clutch is connected with spiral dust catcher, and drives two clear brushings by driving triangular belt;Worm reduction gear---be packed in a side of frame, its output links to each other with clutch with drive roll respectively by driving triangular belt;Motor---be packed in frame one side lower part, its output is connected with worm reduction gear by driving triangular belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520004979 CN2834929Y (en) | 2005-02-28 | 2005-02-28 | Vertical blackboard machine capable of circuiting automatically |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520004979 CN2834929Y (en) | 2005-02-28 | 2005-02-28 | Vertical blackboard machine capable of circuiting automatically |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2834929Y true CN2834929Y (en) | 2006-11-08 |
Family
ID=37299588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520004979 Expired - Fee Related CN2834929Y (en) | 2005-02-28 | 2005-02-28 | Vertical blackboard machine capable of circuiting automatically |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2834929Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104260583A (en) * | 2014-09-24 | 2015-01-07 | 西安文理学院 | Blackboard with dust prevention function |
| CN110217023A (en) * | 2019-05-15 | 2019-09-10 | 谢陶明 | A kind of avoidable writing blackboard for writing curtain abrasion |
-
2005
- 2005-02-28 CN CN 200520004979 patent/CN2834929Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104260583A (en) * | 2014-09-24 | 2015-01-07 | 西安文理学院 | Blackboard with dust prevention function |
| CN110217023A (en) * | 2019-05-15 | 2019-09-10 | 谢陶明 | A kind of avoidable writing blackboard for writing curtain abrasion |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20061108 Termination date: 20120228 |