CN203739474U - Disc-shaped electrical mechanical teaching blackboard with automatic erasing and dust removing functions - Google Patents

Abstract

A disc-shaped electrical mechanical teaching blackboard with automatic erasing and dust removing functions comprises a disc blackboard, an electromotor, a stop lever, a hand-operated rack bar, an erasing machine and a wood veneer provided with a modeling port, wherein the electromotor is meshed with the disc blackboard through a gear, the stop lever is connected with the electromotor, the hand-operated rack bar is meshed with the gear of the electromotor, the erasing machine is connected with the stop lever through a pull rope, and the wood veneer provided with the modeling port covers the disc blackboard. The disc-shaped electrical mechanical teaching blackboard with the automatic erasing and dust removing functions is simple in structure, convenient to operate, large in storage amount, high in erasing speed, environment-friendly and hygienic, can allow many handwritten words to be written on, can guarantee writing up of notes after class, review, consolidation and improvement for a student and can erase handwriting on the blackboard automatically.

Description

The automatic erasing dust-collecting disc motor tool formula blackboard that teaching is used

Technical field

The utility model relates to a kind of electrodynamic mechanical type blackboard of writing use, is particularly applicable to the blackboard that teaching is used.

Background technology

The blackboard that teaching is used is at present more, integrate and can be divided into fixing blackboard, push-and-pull blackboard and driven blackboard three classes, all have pluses and minuses, common defect is that clipboard face is little, and storage number of words is few, though push-and-pull blackboard, the push-and-pull of driven blackboard energy or rotation are write, but the written contents of attending class all can not be retained on blackboard, can not meet attends class attentively pays attention to the class, write after class notes student's requirement troactively again, moreover also can not meet the requirement of reviewing, consolidating the learning content on classroom after students in class; When erasing out handwriting, dust directly pollutes classroom environment, affects teachers and students healthy.

Utility model content

The purpose of this utility model is: a kind of automatic erasing dust-collecting disc motor tool formula blackboard of imparting knowledge to students and using is provided, this blackboard can overcome the deficiency in background technology, have its advantage concurrently, energy continuous writing content is many, and storage capability is large, good looking appearance, not only allow student is relieved to attend class, concentrate one's energy to pay attention to the class, write after class notes troactively, and can also allow student is convenient to review, consolidate and improve, there is the student of help and promote the positive role of school grade, can also automatic blackboard cleaning, get rid of dust pollution.

Realizing technical solution adopted in the utility model is: this blackboard is made up of disk blackboard, motor, pin, hand ratch, eradicator and the decoration panel with moulding mouth, motor engages with disk blackboard through gear, pin is connected with motor, hand ratch engages with the gear on motor, eradicator through stay cord, be connected with pin, covers on disk blackboard with the decoration panel of moulding mouth.

For polylith disk blackboard is set in same disc face, and seldom take up space, be convenient to write, switch boards face is flexible, the disk blackboard of design is made up of fan-shaped mouth, peripheral band tooth, coaxial, isometrical disk blackboard polylith, wherein only have a disk blackboard without fan-shaped mouth, and be arranged on the bottom surface of fan-shaped mouth disk blackboard.

In order to wipe fast writing on disk blackboard, the eradicator of design is electric erasing word machine, it is made up of micromotor, circle abrasive tumbling and fixed axis, circle abrasive tumbling is connected with micromotor, fixed axis is slidably connected perpendicular to length direction and the micromotor of miniature electric arbor, eradicator by stay cord through directive wheel be connected with pin, also through stay cord, directive wheel and be connected with the beam barrel of scale spinning roller.In order to prevent dust pollution, the axle that connects polylith disk blackboard is designed to quill shaft, it has dedusting hole above circumference, and there is baffle plate both sides, dedusting hole, and dedusting hole and baffle plate form an infundibulate groove between disk blackboard; There is dedusting fan quill shaft endoporus one end, and dedusting fan exhaust outlet is connecting dust removal and filtration bag, in order to collect dust.

Good effect of the present utility model is: simple in structure, easy to operate, be convenient to write, switch boards face is flexible, written contents is many, storage capability is large, can not only allow relieved the concentrating one's energy on classroom of student pay attention to the class, can also write after class notes troactively, and can be student's review, consolidation and provide safeguard, and can also automatic blackboard cleaning, get rid of dust pollution, not only environmental protection but also health.

Brief description of the drawings

Accompanying drawing 1 is external structure schematic diagram of the present utility model;

Accompanying drawing 2 removes for accompanying drawing 1 structural representation having after moulding mouth decoration panel;

Accompanying drawing 3 is side views of accompanying drawing 1;

Accompanying drawing 4 is the eradicator 5 on accompanying drawing 2, stay cord 54,56,58, directive wheel 55,57,59, spinning roller beam barrel 8 with scale, and motor 2, gear 21, pin 3 and hand screw rod 4 connect side view;

Accompanying drawing 5 is the A-A cutaway view of accompanying drawing 2.

Detailed description of the invention

The utility model is as accompanying drawing 1, 2, 3, shown in 4, it is by disk blackboard 1, motor 2, pin 3, hand ratch 4 eradicators 5 and being formed by moulding mouth 61 decoration panels 6, motor 2 engages with disk blackboard 11 through gear 21, pin 3 is connected with motor 2, hand ratch 4 engages with the gear 21 on motor 2, eradicator 5 is connected with pin 3 through stay cord, there are moulding mouth 61 decoration panels 6 to cover on disk blackboard 1, on the moulding mouth 61 of decoration panel 6, there are two fan sliding doors 62, in the time not using disk blackboard, close sliding door 62 and prevent dust, toy and foreign material thereof fall into.

For polylith disk blackboard 1 is set on same disk area, and seldom take up room, be convenient to write, switch flexibly different plates, the disk blackboard 1 of design has fan-shaped mouth 112, peripheral band tooth, isometrical disk blackboard 11 warp beam 12 that superposes link together and be fixed on body of wall 7 by polylith, by a disk blackboard 111 without fan-shaped mouth wherein, be arranged on disk blackboard 11 bottom surfaces of fan-shaped mouth 112, can increase write area.Motor 2 engages through gear 21 and disk blackboard 11, this gear 21 can slide along the axle of motor 2 22 length directions, engage different disk blackboard 11 plates for switching, this adjustment process is controlled by pin 3, on pin 3, there is the silk of adjustment, pin 3 outer ends and have moulding mouth 61 decoration panel 6 intersections to have the scale handwheel 31 connecing with 3 of pins, guarantee that accurate and flexible switches different plates (seeing shown in accompanying drawing 1,2,3,5).

In order to wipe fast the writing on polylith disk blackboard 11, the eradicator 5 of design is electric erasing word machine, it is made up of micromotor 51, circle abrasive tumbling 52 and fixed axis 53, circle abrasive tumbling 52 is connected with micromotor 51, fixed axis 53 is slidably connected perpendicular to length direction and the micromotor 51 of micromotor 51 axles, and micromotor 51 is connected with pin 3 through directive wheel 55 by Article 1 stay cord 54; Micromotor 51 is also connected with pin 3 through Article 2 stay cord 56, directive wheel 57.Article 1, stay cord 54 and Article 2 stay cord 56 act on micromotor 51, are mobile in order to allow micromotor 51 come and go on fixed axis 53 under controlling at pin 3.Micromotor 51 also will be connected on graduated spinning roller beam barrel 8 through Article 3 stay cord 58, directive wheel 59, and spinning roller beam barrel 8 socket joints are on axle 81, and warp beam 81 is connected on body of wall 7.Article 3 stay cord 58 is in order to allow micromotor 51 turn on disk blackboard 11 or to leave disk blackboard 11 around fixed axis 53.Fixed axis 53 is fixed on body of wall 7, and it is the fulcrum of eradicator 5, makes micromotor 5 one end heavy, circle abrasive tumbling 52 one end are light, can make eradicator 5 around fixed axis 53 to vertical direction deflection, for controlling eradicator 5 balance in the horizontal direction, on the upside body of wall of circle abrasive tumbling one end, block 50 is set.If need to wipe word to any plate in polylith disk blackboard 11, just need to be with controlling pin 3 and realizing with the gauge tap of scale spinning roller beam barrel 8 and micromotor 51.For preventing from wiping the pollution that word dust causes, the axle 12 of polylith disk blackboard 11 will be connected, be designed to quill shaft, above quill shaft circumference, there is dedusting hole 121, there is baffle plate 122 121 both sides, dedusting hole, dedusting hole 121 and baffle plate 122 form an infundibulate groove between disk blackboard 11, to facilitate collection dust, can also control the spacing between disk blackboard 11.Quill shaft 12 endoporus inner ends have dedusting fan 123 to be used for suction dust, and dedusting fan 123 exhaust outlets are connected with dust removal and filtration bag 124(to be seen shown in accompanying drawing 2,3,4,5).

The utility model operation principle and using method: disk blackboard 11 warp beams 12 are connected on body of wall 7, again motor 2 is fixed on body of wall 7, eradicator 5 is connected on body of wall 7 through fixed axis, and allow motor 2 engage with the tooth of disk blackboard 11 peripheries through gear 21, pin 3 is connected on the axle 22 and gear 21 of motor 2, control gear 21 slides along motor 2 axles 22, for switching different blackboard pieces 11, again micromotor 51 is connected with pin 3 through Article 1 stay cord 54 and directive wheel 55, is connected with pin 3 through directive wheel 57 by Article 2 stay cord 56.Micromotor 51 also will be through Article 3 stay cord 58, directive wheel 59 is connected on graduated spinning roller beam barrel 8, spinning roller beam barrel 8 socket joints are on axle 81, warp beam 81 is connected on body of wall 7, then will there be moulding mouth 61 decoration panels 6 to cover on the disk blackboard 11 of fan-shaped mouth 112, make the moulding mouth 61 on decoration panel 6 relative with the fan-shaped mouth 112 of disk blackboard 11, when writing words, can first on the disk blackboard 111 without fan-shaped mouth, write, write the plate face of full moulding mouth 61 areas, actuating motor 2, make it rotate the plate face of fan-shaped mouth 112 areas, close motor 2, then write, write after the plate face that full moulding mouth 61 areas are large, repeat aforementioned process until write 111, a disk blackboard, adjusting motor 2 through pin 3 again cogs and 21 has the disk blackboard 11 of fan-shaped mouth 112 to engage with second (from inside to outside), (now eradicator 5 is in fixed axis 53 horizontal levels, move distance between a disk blackboard 11 along fixed axis 53) actuating motor 2, in the time that disk blackboard 11 produces a fan-shaped mouth 112 plate face, close motor 2, start to write, repeat said process, all disk blackboards 11 of stack can be write.In writing process, the powder suction that can start dedusting fan 123, can fall by the infundibulate groove on quill shaft 12, when writing is in filter bag.When needing record after students in class, when reviewing, consolidating, actuating motor 2, adjusts pin 3 and can repeat to check.In the time having a power failure, can disk blackboard 1 be rotated hand ratch 4, through different disk blackboard 11 plates of the same switching of pin 3, still can attend class and write, allow classmates check review.

When wipe on disk blackboard writing time, start dedusting fan and micromotor 5, operation pin 3 is through the position of Article 1 stay cord 54, Article 2 stay cord 56 and adjustment eradicator 5, rotate again band scale spinning roller beam barrel 8, pull Article 3 stay cord 58, circle abrasive tumbling 52 is turned on 11, disk blackboard, make circle abrasive tumbling 52 one end point in infundibulate groove and become 10 °～15 ° angles with vertical direction, and wipe word in disk blackboard 11 rotation direction one sides, 11, circle abrasive tumbling 52 faces of cylinder and disk blackboard are wiped word place direction of rotation, can increase and wipe word and dust removing effects.And the powder that can make to wipe falls in infundibulate groove and allow dust removal machine 123 siphon away, enter in filter bag.In the time having a power failure, make circle abrasive tumbling 52 erasing out handwritings, need operation pin 3, can pull with hand Article 3 stay cord 58, utilize eradicator 5 two ends gravitational difference to return, pull amplitude to be controlled in infundibulate groove upper-side area.The used time is not closed the bi-parting sliding door 62 at moulding mouth 61 places on decoration panel 6, prevents that dust, toy and foreign material thereof from falling into impact in disk blackboard and using.

Claims (4)

1. the automatic erasing dust-collecting disc motor tool formula blackboard that teaching is used, it is characterized in that: it is made up of disk blackboard, motor, pin, hand ratch, eradicator and the decoration panel with moulding mouth, motor engages with disk blackboard through gear, pin is connected with motor, hand ratch engages with the gear on motor, eradicator is connected with pin through stay cord, covers on disk blackboard with the decoration panel of moulding mouth.

2. the automatic erasing dust-collecting disc motor tool formula blackboard that teaching according to claim 1 is used, it is characterized in that: described disk blackboard is by polylith, be made up of fan-shaped mouth, peripheral band tooth, coaxial, isometrical disk blackboard, wherein only have a disk blackboard without fan-shaped mouth, and be arranged on the bottom surface of fan-shaped mouth disk blackboard.

3. the automatic erasing dust-collecting disc motor tool formula blackboard that teaching according to claim 1 is used, it is characterized in that: described eradicator is made up of micromotor, circle abrasive tumbling and fixed axis, circle abrasive tumbling is connected with micromotor, fixed axis is slidably connected perpendicular to length direction and the micromotor of miniature electric arbor, micromotor by stay cord through directive wheel be connected with pin, by stay cord through directive wheel be connected with the beam barrel on scale spinning roller.

4. the automatic erasing dust-collecting disc motor tool formula blackboard that teaching according to claim 2 is used, it is characterized in that: described has polylith disk blackboard coaxial, this axle is quill shaft, its upper side has dedusting hole, both sides, dedusting hole to have baffle plate, dedusting hole and baffle plate form a funnel trough between disk blackboard, there is dedusting fan quill shaft endoporus one end, and dedusting fan exhaust outlet is connecting dust removal and filtration bag.