CN203438720U

CN203438720U - Self-wiping blackboard

Info

Publication number: CN203438720U
Application number: CN201320550606.3U
Authority: CN
Inventors: 储德江; 陈昭红; 韦明典; 盛时永; 杨明静; 王成军
Original assignee: Anhui University of Science and Technology
Current assignee: Anhui University of Science and Technology
Priority date: 2013-09-05
Filing date: 2013-09-05
Publication date: 2014-02-19
Anticipated expiration: 2023-09-05

Abstract

The utility model relates to a self-wiping blackboard. The self-wiping blackboard comprises a lifting device, a rotating device, a wiping device, a projector and an outer shell. The outer shell is provided with a dust discharging groove. The lifting device is located below the outer shell, and is used for controlling the whole blackboard to ascend and descend so that a teacher can write conveniently and students can watch conveniently. The rotating device is located inside the outer shell, is connected with the outer shell through bolts, and can control the panel of the blackboard to rotate so that the contents written by the teacher can move up and down. The wiping device is located under the rotating device, and is used for wiping the contents written on the blackboard and collecting chalk dust into the dust discharging groove. The projector is installed on the outer shell, and serves as a projecting carrier in the process of teaching. The self-wiping blackboard has the advantages of being simple in structure, convenient to operate, low in manufacturing cost and the like, and the functions that the whole panel can freely move, ascend and descend, the blackboard can serve as the projecting carrier for teaching, the blackboard can be wiped automatically and the chalk dust can be automatically collected can be achieved.

Description

A kind of Self-cleaning blackboard

Technical field

The utility model relates to teaching mechanical field, specifically a kind of Self-cleaning blackboard.

Background technology

As everyone knows, blackboard is being played the part of a requisite role in daily teaching, and still, present blackboard all exists certain deficiency, and for example installation site is more fixing, is difficult for mobile; Blackboard function singleness, can only write; When erasing the board, chalk dust flies upward everywhere, and student and teacher's healthy all existence endangered etc.Therefore, existing in the urgent need to a kind of didactic works write device that can realize multi-functional, conveniently moving and creation dustfree environment, i.e. a kind of Self-cleaning blackboard.

Summary of the invention

In order to make up the deficiencies in the prior art, the utility model provides a kind of Self-cleaning blackboard.

The utility model solves the technical scheme that its technical problem adopts: a kind of Self-cleaning blackboard, comprise lowering or hoisting gear, whirligig, wiping arrangement, projection arrangement and shell, and on described shell, be provided with ash discharge groove, described lowering or hoisting gear is positioned at shell below, lowering or hoisting gear comprises base, four expansion links and electric pushrod, four described expansion link one end are arranged on base along the central axis symmetry of base, between its other end and shell, by welding manner, be connected, between described electric pushrod one end and base, by bolt, be connected, its other end is connected with shell, and this device, for controlling the lifting of whole blackboard, is convenient to writing of teacher and watching of student, described whirligig is positioned at enclosure, and with shell between by bolt, be connected, whirligig comprises baffle plate, two live-rollers, conveyer belt, a motor, a rotating shaft, two single groove belt wheels, a belt and four rolling bearing units, described baffle plate is fixed on shell both sides, two described live-rollers are arranged on respectively shell above and below by four rolling bearing units, conveyer belt is placed on two live-rollers, and conveyor belt surface is provided with slickness writing material, a described motor is arranged on the upper right side of shell by motor cover, between a rotating shaft and an electric machine main shaft, by shaft coupling, be connected, two single groove belt wheels are arranged on respectively on a rotating shaft and live-roller, No. one belt is placed on two single groove belt wheels, this device can be controlled the rotation of blackboard panel, be convenient to moving up and down of teacher's written contents, described wiping arrangement is positioned under whirligig, wiping arrangement comprises motor No. two, No. two rotating shafts, four No. two single groove belt wheels, two double-slot belt wheels, eight No. two rolling bearing units, article four, No. two belts, two cylinders, bullet ash rod, wiping cylinder and ash ejector, No. two described motors are positioned at shell right side, between No. two rotating shaft one end and No. two electric machine main shafts, by shaft coupling, be connected, its other end is connected with No. two single groove belt wheels, two described cylinders by No. two rolling bearing units respectively symmetry be arranged on conveyer belt both sides, and two cylinder one end are separately installed with single groove belt wheel No. two, between single groove belt wheel, by No. two belts, be connected, described bullet ash rod is positioned at cylinder below, and the excellent one end of bullet ash is provided with double-slot belt wheel, described wiping cylinder is positioned at bullet ash rod below, and wiping cylinder one end is provided with single groove belt wheel, between single groove belt wheel and double-slot belt wheel, by No. two belts, be connected, ash ejector is arranged in the ash discharge groove on shell, the content of this device for writing on blackboard wiping, and by chalk ash collection in ash discharge groove, described projection arrangement is arranged on shell top, projection arrangement comprises motor No. three, two No. three single groove belt wheels, No. three belts, No. three rotating shafts, two No. three rolling bearing units and projection cloth, No. three described motors are arranged on shell upper left side by motor cover, No. three single groove belt wheel is positioned at motor left side No. three, and be connected with No. three electric machine main shafts, No. three described rotating shafts are arranged on shell top by No. three rolling bearing units, and No. three rotating shaft one end is provided with single groove belt wheel No. three, between two No. three single groove belt wheels, by No. three belts, be connected, described projection cloth is wrapped in No. three rotating shafts, projection carrier when this device is used for imparting knowledge to students.

The beneficial effects of the utility model are: a kind of Self-cleaning blackboard has the features such as simple in structure, easy to operate and cost of manufacture is low, its can realize whole plate face move freely with lifting, projection carrier and automatic erasing the function of collecting chalk dust while being used as teaching.

Accompanying drawing explanation

Below in conjunction with drawings and Examples, the utility model is further illustrated.

Fig. 1 is perspective view of the present utility model;

Fig. 2 is the schematic perspective view of the utility model internal structure;

Fig. 3 is the schematic perspective view of the utility model shell;

Fig. 4 is the perspective view of the utility model bullet ash rod;

Fig. 5 is the perspective view of the utility model projection arrangement;

Fig. 6 is the perspective view of the utility model wiping cylinder.

1. lowering or hoisting gears in figure, 2. shell, 3. whirligig, 4. wiping arrangement, 5. projection arrangement, 101. base, 102. expansion link, 103. electric pushrod, 301. baffle plate, 302. live-roller, 303. conveyer belt, 304. motors, 305. rotating shafts, 306. single groove belt wheels, 307. belts, 308. rolling bearing units, 401. No. two motors, 402. No. two belts, 403. No. two single groove belt wheels, 404. No. two rotating shafts, 405. double-slot belt wheel, 406. No. two rolling bearing units, 407. cylinder, 408. bullet ash rods, 409. wiping cylinders, 4010. ash ejector, 501. No. three motors, 502. No. three single groove belt wheels, 503. No. three belts, 504. No. three rotating shafts, 505. No. three rolling bearing units, 506. projection cloth.

The specific embodiment

As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5 and Fig. 6, a kind of Self-cleaning blackboard described in the utility model, comprises lowering or hoisting gear 1, whirligig 3, wiping arrangement 4, projection arrangement 5 and shell 2, on described shell 2, is provided with ash discharge groove, described lowering or hoisting gear 1 is positioned at shell 2 belows, lowering or hoisting gear 1 comprises base 101, four expansion links 102 and electric pushrods 103, four described expansion link 102 one end are arranged on base 101 along the central axis symmetry of base 101, between its other end and shell 2, by welding manner, be connected, between described electric pushrod 103 one end and base 101, by bolt, be connected, its other end is connected with shell 2, this device, for controlling the lifting of whole blackboard, is convenient to writing of teacher and watching of student, described whirligig 3 is positioned at shell 2 inside, and with shell 2 between by bolt, be connected, whirligig 3 comprises baffle plate 301, two live-rollers 302, conveyer belt 303, a motor 304, a rotating shaft 305, two single groove belt wheels 306, a belt 307 and four rolling bearing units 308, described baffle plate 301 is fixed on shell 2 both sides, two described live-rollers 302 are arranged on respectively shell 2 above and belows by four rolling bearing units 308, conveyer belt 303 is placed on two live-rollers 302, and conveyer belt 303 surfaces are provided with slickness writing material, a described motor 304 is arranged on the upper right side of shell 2 by motor cover, between a rotating shaft 305 and motor 304 main shafts, by shaft coupling, be connected, two single groove belt wheels 306 are arranged on respectively on a rotating shaft 305 and live-roller 302, No. one belt 307 is placed on two single groove belt wheels 306, this device can be controlled the rotation of blackboard panel, be convenient to moving up and down of teacher's written contents, described wiping arrangement 4 is positioned under whirligig 3, wiping arrangement 4 comprises motor 401 No. two, No. two rotating shafts 404, four No. two single groove belt wheels 403, two double-slot belt wheels 405, eight No. two rolling bearing units 406, article four, No. two belts 402, two cylinders 407, bullet ash rod 408, wiping cylinder 409 and ash ejector 4010, No. two described motors 401 are positioned at shell 2 right sides, between No. two rotating shaft 404 one end and No. two motor 401 main shafts, by shaft coupling, be connected, its other end is connected with No. two single groove belt wheels 403, two described cylinders 407 by No. two rolling bearing units 406 respectively symmetry be arranged on conveyer belt 303 both sides, and two cylinder 407 one end are separately installed with single groove belt wheel 403 No. two, between single groove belt wheel 403, by No. two belts 402, be connected, described bullet ash rod 408 is positioned at cylinder 407 belows, and excellent 408 one end of bullet ash are provided with double-slot belt wheel 405, described wiping cylinder 409 is positioned at excellent 408 belows of bullet ash, and wiping cylinder 409 one end are provided with single groove belt wheel 403, between single groove belt wheel 403 and double-slot belt wheel 405, by No. two belts 402, be connected, ash ejector 4010 is arranged in the ash discharge groove on shell 2, the content of this device for writing on blackboard wiping, and by chalk ash collection in ash discharge groove, described projection arrangement 5 is arranged on shell 2 tops, projection arrangement 5 comprises motor 501 No. three, two No. three single groove belt wheels 502, No. three belts 503, No. three rotating shafts 504, two No. three rolling bearing units 505 and projection cloth 506, No. three described motors 501 are arranged on shell 2 upper left sides by motor cover, No. three single groove belt wheel 502 is positioned at motor 501 left sides No. three, and be connected with No. three motor 501 main shafts, No. three described rotating shafts 504 are arranged on shell 2 tops by No. three rolling bearing units 505, and No. three rotating shaft 504 one end are provided with single groove belt wheel 502 No. three, between two No. three single groove belt wheels 502, by No. three belts 503, be connected, described projection cloth 506 is wrapped in No. three rotating shafts 504, projection carrier when this device is used for imparting knowledge to students.

During work, first open the switch of lowering or hoisting gear 1, when whole blackboard rises to after certain height, teacher just can be on blackboard written contents, teacher can control moving up and down of blackboard panels by whirligig 3 simultaneously, facilitate student's reading; In the time the content on blackboard need to being wiped, only, with open the switch of whirligig 3 and wiping arrangement 4 simultaneously, the written contents on blackboard will have been wiped out, and chalk dust will be collected in ash discharge groove simultaneously, manually can pass through mobile ash ejector 4010, the chalk dust in ash discharge groove is removed; If in the time of need to using multimedia teaching, only, with the switch of opening projection arrangement 5, projection cloth is just put down and can carry out multimedia teaching.

More than show and described basic principle of the present utility model, principal character and advantage.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; description in above-described embodiment and description principle of the present utility model is just described; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.

Claims

1. a Self-cleaning blackboard, comprise lowering or hoisting gear, whirligig, wiping arrangement, projection arrangement and shell, it is characterized in that: described lowering or hoisting gear is positioned at shell below, described whirligig is positioned at enclosure, and with shell between by bolt, be connected, described wiping arrangement is positioned under whirligig, described projection arrangement is arranged on shell top, on described shell, be provided with ash discharge groove, wherein:

Described lowering or hoisting gear comprises base, four expansion links and electric pushrod, four described expansion link one end are arranged on base along the central axis symmetry of base, between its other end and shell, by welding manner, be connected, between described electric pushrod one end and base, by bolt, be connected, its other end is connected with shell;

Described whirligig comprises baffle plate, two live-rollers, conveyer belt, a motor, a rotating shaft, two single groove belt wheels, a belt and four rolling bearing units, described baffle plate is fixed on shell both sides, two described live-rollers are arranged on respectively shell above and below by four rolling bearing units, conveyer belt is placed on two live-rollers, a described motor is arranged on the upper right side of shell by motor cover, between a rotating shaft and an electric machine main shaft, by shaft coupling, be connected, two single groove belt wheels are arranged on respectively on a rotating shaft and live-roller, No. one belt is placed on two single groove belt wheels,

Described wiping arrangement comprises motor No. two, No. two rotating shafts, four No. two single groove belt wheels, two double-slot belt wheels, eight No. two rolling bearing units, article four, No. two belts, two cylinders, bullet ash rod, wiping cylinder and ash ejector, No. two described motors are positioned at shell right side, between No. two rotating shaft one end and No. two electric machine main shafts, by shaft coupling, be connected, its other end is connected with No. two single groove belt wheels, two described cylinders by No. two rolling bearing units respectively symmetry be arranged on conveyer belt both sides, and two cylinder one end are separately installed with single groove belt wheel No. two, between single groove belt wheel, by No. two belts, be connected, described bullet ash rod is positioned at cylinder below, and the excellent one end of bullet ash is provided with double-slot belt wheel, described wiping cylinder is positioned at bullet ash rod below, and wiping cylinder one end is provided with single groove belt wheel, between single groove belt wheel and double-slot belt wheel, by No. two belts, be connected, ash ejector is arranged in the ash discharge groove on shell,

Described projection arrangement comprises No. three motors, two No. three single groove belt wheels, No. three belts, No. three rotating shafts, two No. three rolling bearing units and projection cloth, No. three described motors are arranged on shell upper left side by motor cover, No. three single groove belt wheel is positioned at motor left side No. three, and be connected with No. three electric machine main shafts, No. three described rotating shafts are arranged on shell top by No. three rolling bearing units, and No. three rotating shaft one end is provided with single groove belt wheel No. three, between two No. three single groove belt wheels, by No. three belts, be connected, described projection cloth is wrapped in No. three rotating shafts.

2. a kind of Self-cleaning blackboard according to claim 1, is characterized in that: described conveyor belt surface is provided with slickness writing material.