CN207449470U

CN207449470U - A kind of multifunctional blackboard for education

Info

Publication number: CN207449470U
Application number: CN201720708818.8U
Authority: CN
Inventors: 王天民
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-06-16
Filing date: 2017-06-16
Publication date: 2018-06-05
Anticipated expiration: 2027-06-16

Abstract

The utility model discloses a kind of multifunctional blackboard for education, including main blackboard, driving motor and hydraulic lift device；Secondary blackboard is equipped in the main blackboard, secondary blackboard is hinged with connecting rod, and connecting rod is hinged with sliding block, and slide block set is equipped with shaft；The shaft extends to above main blackboard and is connected with driving motor；The rear wall of the main blackboard, which is fixedly connected with, is arranged part, is arranged part and is arranged with lead, lead is fixedly connected by fixed plate with wall；The main blackboard bottom is fixedly connected with supporting rack, and supporting rack bottom is fixedly connected with hydraulic lift device.The utility model adds write area, improves the effect of writing on the blackboard by being equipped with foldable secondary blackboard；The utility model is equipped with lifting apparatus, improves the visual effect of blackboard, ensure that the quality of teaching；The utility model is equipped with geometric figure plate, has saved the graphic plotting time, has improved the efficiency of teaching.

Description

A kind of multifunctional blackboard for education

Technical field

The utility model is related to teaching equipment fields, are specifically a kind of multifunctional blackboard for education.

Background technology

Blackboard is the clipboard that clergy carries out teaching board, the area of common blackboard be it is changeless, into When row a large amount of content of courses writings on the blackboard, it has to which sassafras is write again after removing a part of content, and teacher will also constantly remind inquiry It asks whether the contents of the section is write down, is unfavorable for imparting knowledge to students, particularly when the derivation of long formula is carried out, line feed can interrupt classmate Thinking, be unfavorable for imparting knowledge to students；The height of blackboard is fixed, and due to blocking for platform table and front-seat classmate, heel row classmate is difficult to see clearly The writing on the blackboard content of blackboard bottom position, the visual effect of blackboard is poor, influences teaching efficiency；Writing on the blackboard content when sassafras removes, Substantial amounts of chalk dust is often generated, floating generates larger harm in the air, to the health of teacher and classmate；Carrying out geometry religion , it is necessary to which drawing geometric figures, drawing is not only lost time manually, but also graphic plotting effect is poor when, preciousness is wasted Time in classroom.

Utility model content

It is mentioned above in the background art to solve the purpose of this utility model is to provide a kind of multifunctional blackboard for education Problem.

To achieve the above object, the utility model provides following technical solution：

A kind of multifunctional blackboard for education, including main blackboard, driving motor and hydraulic lift device；It is equipped in the main blackboard Secondary blackboard, secondary blackboard are hinged with connecting rod, and connecting rod is hinged with sliding block, and slide block set is equipped with shaft；It is black that the shaft extends to master Plate top is simultaneously connected with driving motor；The rear wall of the main blackboard, which is fixedly connected with, is arranged part, is arranged part and is arranged with lead, leads It is fixedly connected to column by fixed plate with wall；The main blackboard bottom is fixedly connected with supporting rack, and supporting rack bottom, which is fixed, to be connected It is connected to hydraulic lift device.

As further program of the utility model：Geometric figure plate is equipped on the right side of the front panel of the main blackboard；It is described Geometric figure plate is connected with vertical panel by telescopic rod；The telescopic rod is connected with shank of bolt, shank of bolt and geometry by bearing Graphic boards is threadedly coupled.

As further program of the utility model：The main blackboard is the hollow-core construction of both-side opening.

As further program of the utility model：The sliding block is connected with shaft thread.

As further program of the utility model：Described upper and lower two parts of shaft are equipped with reversed screw thread.

As further program of the utility model：The geometric figure plate is equipped with a variety of geometric figure straight slots.

As the utility model further scheme：The vertical panel and front panel vertical connection.

Compared with prior art, the beneficial effects of the utility model are：The utility model is black by being equipped with foldable pair Plate adds write area, improves the effect of writing on the blackboard；The utility model is equipped with lifting apparatus, and improve blackboard can visual effect Fruit ensure that the quality of teaching；The utility model is equipped with geometric figure plate, has saved the graphic plotting time, has improved teaching Efficiency.

Description of the drawings

Fig. 1 is the sectional view of multifunctional blackboard for education；

Fig. 2 is the structure diagram of the external member in multifunctional blackboard for education；

Fig. 3 is the structure diagram of front panel in multifunctional blackboard for education；

Fig. 4 is the structure diagram of the junction of the first swing arm and the second swing arm in multifunctional blackboard for education；

Fig. 5 is the structure diagram of dust-suction blackboard eraser in multifunctional blackboard for education；

Fig. 6 is the structure diagram of telescopic rod in multifunctional blackboard for education.

In figure：The main blackboards of 1-；2- pair blackboards；3- connecting rods；4- sliding blocks；5- shafts；6- driving motors；7- front panels；8- Fixed disk；The first swing arms of 9-；The second swing arms of 10-；11- dust-suction blackboard erasers；12- disposal boxes；13- negative pressure pumps；14- axis pins；15- hinders Buddhist nun's bushing；16- dust-absorbing mouths；17- ash sucking tubes；18- handles；19- stents；20- hydraulic lift devices；21- leads；22- is arranged Part；23- fixed plates；24- geometric figure plates；25- geometric figure straight slots；26- telescopic rods；27- bearings；28- shanks of bolt.

Specific embodiment

The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work All other embodiments obtained shall fall within the protection scope of the present invention.

Please refer to Fig.1~6, in the utility model embodiment, a kind of multifunctional blackboard for education, including main blackboard 1, driving electricity Machine 6 and hydraulic lift device 20；The main blackboard 1 is the hollow-core construction of both-side opening, and secondary blackboard 2 is equipped in main blackboard 1, secondary black Plate 2 is hinged with connecting rod 3, and connecting rod 3 is hinged with sliding block 4, and sliding block 4 is threaded with shaft 5, and sliding block 4 moves down in shaft 5 It is dynamic, promote secondary blackboard 2 is mobile outward to stretch out；For two parts equipped with reversed screw thread, it is black that shaft extends to master to the shaft about 5 1 top of plate is simultaneously connected with driving motor 6, and driving motor 6 is electrically connected with external power supply, and driving motor 6 drives shaft 5 to rotate； The rear wall of the main blackboard 1, which is fixedly connected with, is arranged part 22, is arranged part 22 and is arranged with lead 21, lead 21 passes through fixed plate 23 are fixedly connected with wall；1 bottom of main blackboard is fixedly connected with supporting rack 19, and 19 bottom of supporting rack is fixedly connected with hydraulic pressure Lifting apparatus 20, hydraulic lift device 20 move up and down winner's blackboard 1, improve the visual effect of blackboard；The main blackboard 1 Front panel 7 is equipped with fixed disk 8, and fixed plate 8 is hinged with the first swing arm 9, and the first swing arm 9 is connected with the second swing arm by axis pin 14 10, axis pin 14 is in " work " font；Axis pin 14 is nested in the junction of the first swing arm 9 and the second swing arm 10；14 outside of axis pin Equipped with damping bushing 15 so that the first swing arm 9 and the second swing arm 10 turn to certain angle and be fixed；Second swing arm 10 Dust-suction blackboard eraser 11 is rotatably connected to, 11 bottom of dust-suction blackboard eraser is equipped with suction inlet 16, and suction inlet 16 is in inverted pyramidal structures；It is described Suction inlet leads to sweep-up pipe 17 and is communicated with disposal box 12, and disposal box 12 is communicated with negative pressure pump 13, and negative pressure pump 13 is so that at disposal box 12 In subnormal ambient, the aspiration of negative pressure is carried out；The dust-suction blackboard eraser 11 is equipped with handle 18, facilitates gripping；7 right side of front panel is set There is geometric figure plate 24, geometric figure plate 24 is equipped with a variety of geometric figure straight slots 25, and clergy is facilitated to carry out figure writing on the blackboard, Save valuable instructional blocks of time；The geometric figure plate 24 is connected with vertical panel 29, vertical panel 29 and front by telescopic rod 26 Plate is vertical；The telescopic rod 26 is connected with shank of bolt 28 by bearing 27, and shank of bolt 28 is threadedly coupled with geometric figure plate 26, side Just dismounting and change is carried out to geometric figure plate 24.

The operation principle of the utility model is：Start driving motor 6, shaft 5 is driven to rotate, shaft 5 is equipped with reverse thread And be threadedly coupled with upper and lower sliding block 4 so that upper and lower sliding block 4 moves up and down, and then by connecting rod 3 by secondary blackboard 2 outward It exits so that blackboard area increases, and adds write area and occupies smaller space when accommodating, is particularly suitable for longer formula It is continuous to derive, enhance teaching efficiency；Start hydraulic lift device 20, hydraulic lift device 20 is pushed away by piston rod and supporting rack 19 Dynamic blackboard smoothly moves upwards along lead 21, facilitates sight of the classmate of seat rearward for the writing on the blackboard of blackboard bottom position It sees, enhances the visual effect of blackboard, lectern and front-seat classmate is avoided to block the writing on the blackboard of blackboard bottom；When needing sassafras blackboard Wait, start negative pressure pump 13, gripping handle 18 to blackboard writing on the blackboard carry out sassafras remove, sassafras remove during chalk dust from dust-absorbing mouth 16, inhale Ash pipe 17 is inhaled into dust collecting box 12；First swing arm 9 and the second swing arm 10 have higher degree of freedom, and there is preferable sassafras to remove and inhale Grey effect reduces harm of the chalk dust to the health of clergy and student, and chalk dust is collected, and can repeat profit With；When needing drawing geometric figures, geometric figure plate 24 is moved horizontally, telescopic rod 26 is elongated, by leading in geometric figure Geometric figure is drawn in slot 25, substantially increases the drawing efficiency of geometric figure, the writing on the blackboard time has been saved, has improved and say Class efficiency；Geometric figure plate 24 is equipped with telescopic rod 26, conveniently moving, the connection mode and telescopic rod that geometric figure plate passes through bolt Connection, facilitates carry out dismounting and change, can provide abundant geometric figure and draw plate.

It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned exemplary embodiment, and And in the case of the spirit or essential attributes without departing substantially from the utility model, it can realize that this practicality is new in other specific forms Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new The scope of type is indicated by the appended claims rather than the foregoing description, it is intended that will fall containing in the equivalent requirements of the claims All changes in justice and scope are embraced therein.Any reference numeral in claim should not be considered as limitation Involved claim.

Moreover, it will be appreciated that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should Using specification as an entirety, the technical solutions in each embodiment can also be properly combined, forms those skilled in the art It is appreciated that other embodiment.

Claims

1. a kind of multifunctional blackboard for education, including main blackboard（1）, driving motor（6）With hydraulic lift device（20）；Its feature exists In the main blackboard（1）It is interior to be equipped with secondary blackboard（2）, secondary blackboard（2）It is hinged with connecting rod（3）, connecting rod（3）It is hinged with sliding block （4）, sliding block（4）It is arranged with shaft（5）；The shaft（5）Extend to main blackboard（1）Top is simultaneously connected with driving motor（6）；Institute State main blackboard（1）Rear wall be fixedly connected with and be arranged part（22）, it is arranged part（22）It is arranged with lead（21）, lead（21）It is logical Cross fixed plate（23）It is fixedly connected with wall；The main blackboard（1）Bottom is fixedly connected with supporting rack（19）, supporting rack（19）Bottom Portion is fixedly connected with hydraulic lift device（20）.

A kind of 2. multifunctional blackboard for education according to claim 1, which is characterized in that the main blackboard（1）Front panel （7）Right side is equipped with geometric figure plate（24）；The geometric figure plate（24）Pass through telescopic rod（26）It is connected with vertical panel（29）；Institute State telescopic rod（26）Pass through bearing（27）It is connected with shank of bolt（28）, shank of bolt（28）With geometric figure plate（24）It is threadedly coupled.

A kind of 3. multifunctional blackboard for education according to claim 1, which is characterized in that the main blackboard（1）It is opened for both sides The hollow-core construction of mouth.

A kind of 4. multifunctional blackboard for education according to claim 1, which is characterized in that the sliding block（4）With shaft（5）Spiral shell Line connects.

A kind of 5. multifunctional blackboard for education according to claim 1, which is characterized in that the shaft（5）Upper and lower two parts Equipped with reversed screw thread.

A kind of 6. multifunctional blackboard for education according to claim 2, which is characterized in that the geometric figure plate（24）On set There are many geometric figure straight slots（25）.

A kind of 7. multifunctional blackboard for education according to claim 2, which is characterized in that the vertical panel（29）With front panel （7）Vertical connection.