CN214606789U

CN214606789U - Novel teaching blackboard

Info

Publication number: CN214606789U
Application number: CN202120872328.8U
Authority: CN
Inventors: 蔡海生
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-26
Filing date: 2021-04-26
Publication date: 2021-11-05
Anticipated expiration: 2031-04-26

Abstract

The utility model discloses a novel teaching blackboard, including blackboard body, blackboard frame and equipment box, blackboard body fixed mounting is in the front of blackboard frame, equipment box fixed mounting is in the back of blackboard frame, the utility model relates to a teaching equipment technical field. This novel teaching blackboard, make the blackboard can clean the blackboard automatically after using, avoid the artifical manual drawback of cleaning inefficiency and wasting time and energy of tradition, and can carry out the selectivity to the first half or the latter half text content of blackboard to classroom content needs and clean, keep required characters, clean unnecessary characters so that the mr continues to write the content, effectively avoid simultaneously because of the blackboard has the drawback that the first half can not clean when leading to the primary school student to clean the blackboard when certain height, thereby effectively strengthened the functionality of blackboard, make blackboard more intelligent, and then satisfy people's user demand.

Description

Novel teaching blackboard

Technical Field

The utility model relates to a teaching equipment technical field specifically is a novel teaching blackboard.

Background

The blackboard is undoubtedly one of the very important cultural and educational tools for modern school education, and the use of the blackboard in combination with chalks greatly facilitates the teaching work. The blackboard is an indispensable teaching aid, and is a plane capable of repeatedly writing. The teaching aid is widely applied in the teaching process, and is applied in the process of teaching, explaining information and schemes. The teacher writes the content of saying on the blackboard, and the student can be very audio-visual the use of studying the blackboard, so not only improve teacher's teaching efficiency greatly, also improved the student efficiency of study, but there is certain defect in the in-process of current blackboard using.

The existing blackboard is low in functionality, words written by chalk on the blackboard cannot be automatically erased after the blackboard is used, the words can be always erased manually, the erasing mode is low in efficiency, classroom time can be wasted, time and labor are wasted, the words on the blackboard cannot be intelligently erased selectively according to classroom requirements, the blackboard has a certain height, the upper half part of the blackboard cannot be erased normally for pupils, therefore, the blackboard eraser can not meet the use of people, a large amount of dust can be generated in the blackboard erasing process, the existing blackboard cannot absorb the dust, a large amount of dust always exists around the blackboard when people erase the blackboard, the dust can be damaged by human bodies if being absorbed by the human bodies for a long time, and the blackboard is not beneficial to market popularization.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a novel teaching blackboard has solved the problem that current blackboard functional is low, intelligent and the practicality is low inadequately.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a novel teaching blackboard comprises a blackboard body, a blackboard outer frame and an equipment box, wherein the blackboard body is fixedly arranged on the front surface of the blackboard outer frame, the equipment box is fixedly arranged on the back surface of the blackboard outer frame, a first chute plate is fixedly arranged at the top of an inner cavity of the blackboard outer frame, a first slider is connected with an inner cavity of the first chute plate in a sliding manner, a blackboard eraser frame is fixedly arranged at the bottom of the first slider, a first electric telescopic rod is fixedly arranged above the front part of the inner cavity of the blackboard eraser frame, the first electric telescopic rod is provided with three electric telescopic rods which are equidistantly distributed above the front part of the inner cavity of the blackboard eraser frame, a first eraser skin is fixedly arranged at the telescopic end of the first electric telescopic rod, a second electric telescopic rod is fixedly arranged below the front part of the inner cavity of the blackboard eraser frame, the second electric telescopic rod is provided with three electric telescopic rods which are equidistantly distributed below the front part of the inner cavity of the blackboard eraser frame, it is three the skin is wiped to second electric telescopic handle's flexible fixed mounting has the second, one side fixed mounting at equipment box inner chamber rear portion has the motor, the output shaft of motor passes through shaft coupling fixed mounting has the dwang, the one end fixed mounting of dwang has first bevel gear, it is connected with reciprocal lead screw to rotate through the bearing between the both sides of equipment box inner chamber, the fixed surface of reciprocal lead screw cup joints the second bevel gear with first bevel gear engaged with.

Preferably, the surface of the reciprocating screw rod and one side of the second bevel gear are in threaded sleeve connection with a nut sleeve, the top of the nut sleeve is fixedly connected with an L-shaped connecting rod, and one end of the L-shaped connecting rod sequentially penetrates through the equipment box, the blackboard outer frame and the first chute plate and is fixedly connected with one side of the first sliding block.

Preferably, the rear portion of equipment box inner chamber and the below fixed mounting that is located the motor have the second spout board, the inner chamber sliding connection of second spout board has the second slider, connecting rod fixedly connected with dust catcher is passed through to the front portion of second slider, the dust inlet intercommunication of dust catcher has the connecting pipe, the one end of connecting pipe runs through equipment box and blackboard frame in proper order and extends to the inside of blackboard frame, the one end intercommunication that the connecting pipe extends to blackboard frame inside has the dust absorption dish.

Preferably, a first control switch matched with a dust collector is fixedly installed on one side of the inner cavity of the second chute plate, and the top of the dust collector is fixedly connected with the bottom of the nut sleeve through a connecting rod.

Preferably, the dust outlet of the dust collector is in threaded communication with a dust collecting bottle.

Preferably, a second control switch is fixedly mounted on the surface of the blackboard outer frame.

Advantageous effects

The utility model provides a novel teaching blackboard. Compared with the prior art, the method has the following beneficial effects:

(1) the novel teaching blackboard is characterized in that a first electric telescopic rod is fixedly arranged above the front part of an inner cavity of an eraser frame, the first electric telescopic rod is provided with three electric telescopic rods which are equidistantly distributed above the front part of the inner cavity of the eraser frame, first erasing sheets are fixedly arranged at the telescopic ends of the three first electric telescopic rods, a second electric telescopic rod is fixedly arranged below the front part of the inner cavity of the eraser frame, the three electric telescopic rods are equidistantly distributed below the front part of the inner cavity of the eraser frame, and second erasing sheets are fixedly arranged at the telescopic ends of the three second electric telescopic rods, so that the blackboard can be automatically erased after being used, the defects of low efficiency and time and labor waste of the traditional manual erasing are avoided, the upper half part or the lower half part of the blackboard can be selectively erased according to the content of a classroom, required characters are reserved, and the unnecessary characters are erased so that a teacher can continuously write the content, meanwhile, the defect that the upper half part of the blackboard cannot be wiped when the blackboard is wiped by the pupils due to the fact that the blackboard has a certain height is effectively avoided, so that the functionality of the blackboard is effectively enhanced, the blackboard is more intelligent, and the use requirements of people are met.

(2) This novel teaching blackboard, front portion through the second slider passes through connecting rod fixedly connected with dust catcher, the dust inlet intercommunication of dust catcher has the connecting pipe, the one end of connecting pipe runs through equipment box and blackboard frame in proper order and extends to the inside of blackboard frame, the connecting pipe extends to the inside one end intercommunication of blackboard frame and has the dust absorption dish, one side fixed mounting of second chute board inner chamber has and the first control switch of dust catcher assorted, make the dust that can absorb the production at the in-process of cleaning the blackboard, effectively avoid being harmd the healthy drawback of mind and body because of the dust is too big absorbed by the human body, the environment in classroom has effectively been guaranteed, thereby effectively strengthened the practicality of blackboard, and then be favorable to the popularization in market.

Drawings

Fig. 1 is a schematic external structural view of the present invention;

FIG. 2 is a side view of the internal structure of the equipment cabinet of the present invention;

FIG. 3 is a top view of the internal structure of the equipment cabinet of the present invention;

fig. 4 is a schematic view of the internal structure of the blackboard eraser frame according to the present invention.

In the figure: 1. a blackboard body; 2. a blackboard outer frame; 3. an equipment box; 4. a first chute plate; 5. a first slider; 6. a blackboard eraser frame; 7. a first electric telescopic rod; 8. first skin rubbing; 9. a second electric telescopic rod; 10. second skin rubbing; 11. a motor; 12. rotating the rod; 13. a first bevel gear; 14. a reciprocating screw rod; 15. a second bevel gear; 16. a nut sleeve; 17. an L-shaped connecting rod; 18. a second chute plate; 19. a second slider; 20. a dust collector; 21. a connecting pipe; 22. a dust collection tray; 23. a first control switch; 24. a dust collecting bottle; 25. a second control switch.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a novel teaching blackboard comprises a blackboard body 1, a blackboard outer frame 2 and an equipment box 3, wherein one side of the equipment box 3 is provided with a box door, the later-stage equipment maintenance and the replacement of internal dust absorption equipment are convenient, the blackboard body 1 is fixedly arranged on the front side of the blackboard outer frame 2, the equipment box 3 is fixedly arranged on the back side of the blackboard outer frame 2, the top of the inner cavity of the blackboard outer frame 2 is fixedly provided with a first chute plate 4, the inner cavity of the first chute plate 4 is connected with a first slide block 5 in a sliding way, the bottom of the first slide block 5 is fixedly provided with an eraser frame 6, the upper part of the front part of the inner cavity of the eraser frame 6 is fixedly provided with a first electric telescopic rod 7, the first electric telescopic rods 7 are three and are distributed above the front part of the inner cavity of the eraser frame 6 at equal intervals, the telescopic ends of the three first electric telescopic rods 7 are fixedly provided with a first eraser skin 8, the lower part of the front part of the inner cavity of the eraser frame 6 is fixedly provided with a second electric telescopic rod 9, the second electric telescopic rod 9 is provided with three second eraser leather 10 which are equidistantly distributed below the front part of the inner cavity of the eraser frame 6, the telescopic ends of the three second electric telescopic rods 9 are fixedly provided with second eraser leather 10, one side of the rear part of the inner cavity of the equipment box 3 is fixedly provided with a motor 11, the motor 11 is a servo motor, the output shaft of the motor 11 is fixedly provided with a rotating rod 12 through a coupling, one end of the rotating rod 12 is fixedly provided with a first bevel gear 13, the two sides of the inner cavity of the equipment box 3 are rotatably connected with a reciprocating screw rod 14 through a bearing, the reciprocating screw rod 14 is a screw rod which can lead the sliding block to realize reciprocating motion without changing the rotating direction of a main shaft, the surface of the reciprocating screw rod 14 is fixedly sleeved with a second bevel gear 15 which is meshed with the first bevel gear 13, the surface of the reciprocating screw rod 14 and one side of the second bevel gear 15 are in threaded sleeved with a nut sleeve 16, and the top of the nut sleeve 16 is fixedly connected with an L-shaped connecting rod 17, one end of an L-shaped connecting rod 17 sequentially penetrates through the equipment box 3, the blackboard outer frame 2 and the first chute plate 4 and is fixedly connected with one side of the first slider 5, a second chute plate 18 is fixedly arranged at the rear part of the inner cavity of the equipment box 3 and below the motor 11, the inner cavity of the second chute plate 18 is connected with a second slider 19 in a sliding manner, the front part of the second slider 19 is fixedly connected with a dust collector 20 through a connecting rod, a dust inlet of the dust collector 20 is communicated with a connecting pipe 21, one end of the connecting pipe 21 sequentially penetrates through the equipment box 3 and the blackboard outer frame 2 and extends to the inner part of the blackboard outer frame 2, through grooves matched with the connecting pipe 21 are formed in the surfaces of the equipment box 3 and the blackboard outer frame 2, one end of the connecting pipe 21 extending to the inner part of the blackboard outer frame 2 is communicated with a dust collection disc 22, a first control switch 23 matched with the dust collector 20 is fixedly arranged at one side of the inner cavity of the second chute plate 18, the top of the dust collector 20 is fixedly connected with the bottom of the nut sleeve 16 through the connecting rod, the dust outlet of the dust collector 20 is in threaded communication with a dust collecting bottle 24, the dust collecting bottle 24 needs to be replaced periodically, the effect of invisible dust collection when dust inside the dust collecting bottle is fully squeezed is achieved, and a second control switch 25 is fixedly arranged on the surface of the blackboard outer frame 2.

And those not described in detail in this specification are well within the skill of those in the art.

When in use, the motor 11 is started through the second control switch 25, the rotating rod 12 and the first bevel gear 13 are driven to rotate through the operation of the motor 11, the threaded rod is driven to rotate by the cooperation of the first bevel gear 13 and the second bevel gear 15, thereby driving the blackboard eraser frame 6 and the second slide block 19 to move along the left and right movement of the nut sleeve 16, starting the first electric telescopic rod 7 and the second electric telescopic rod 9 to extend and retract through the second control switch 25 to achieve the effect of automatically erasing the blackboard, controlling the first electric telescopic rod 7 and the second electric telescopic rod 9 through the second control switch 25 to achieve the selective erasing of the blackboard, meanwhile, the first control switch 23 is triggered to start the dust collector 20 through the movement of the second sliding block 19, so that the effect of automatically collecting dust in the process of cleaning the blackboard is achieved, and the motor 11 is turned off through the second control switch 25 after the cleaning is finished.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a novel teaching blackboard, includes blackboard body (1), blackboard frame (2) and equipment box (3), blackboard body (1) fixed mounting is in the front of blackboard frame (2), equipment box (3) fixed mounting is in the back of blackboard frame (2), its characterized in that: the blackboard eraser is characterized in that a first chute plate (4) is fixedly mounted at the top of an inner cavity of the blackboard outer frame (2), a first sliding block (5) is connected to the inner cavity of the first chute plate (4) in a sliding manner, an eraser frame (6) is fixedly mounted at the bottom of the first sliding block (5), a first electric telescopic rod (7) is fixedly mounted above the front part of the inner cavity of the eraser frame (6), three electric telescopic rods (7) are arranged and equidistantly distributed above the front part of the inner cavity of the eraser frame (6), a first eraser skin (8) is fixedly mounted at the telescopic end of each first electric telescopic rod (7), a second electric telescopic rod (9) is fixedly mounted below the front part of the inner cavity of the eraser frame (6), three electric telescopic rods (9) are equidistantly distributed below the front part of the inner cavity of the eraser frame (6), and a second eraser skin (10) is fixedly mounted at the telescopic end of each second electric telescopic rod (9), one side fixed mounting at equipment box (3) inner chamber rear portion has motor (11), the output shaft of motor (11) passes through shaft coupling fixed mounting has dwang (12), the one end fixed mounting of dwang (12) has first bevel gear (13), be connected with reciprocal lead screw (14) through the bearing rotation between the both sides of equipment box (3) inner chamber, the fixed surface of reciprocal lead screw (14) cup joints second bevel gear (15) with first bevel gear (13) engaged with.

2. The novel teaching blackboard of claim 1, wherein: the surface of reciprocal lead screw (14) and the one side screw thread that is located second bevel gear (15) have cup jointed nut cover (16), the top fixedly connected with L type connecting rod (17) of nut cover (16), the one end of L type connecting rod (17) run through equipment box (3), blackboard frame (2) and first spout board (4) in proper order and with one side fixed connection of first slider (5).

3. The novel teaching blackboard of claim 1, wherein: the rear portion of equipment box (3) inner chamber and the below fixed mounting that is located motor (11) have second spout board (18), the inner chamber sliding connection of second spout board (18) has second slider (19), connecting rod fixedly connected with dust catcher (20) is passed through to the front portion of second slider (19), the dust inlet intercommunication of dust catcher (20) has connecting pipe (21), the one end of connecting pipe (21) runs through equipment box (3) and blackboard frame (2) in proper order and extends to the inside of blackboard frame (2), the one end intercommunication that connecting pipe (21) extended to blackboard frame (2) inside has dust absorption dish (22).

4. A novel teaching blackboard according to claim 3, characterized in that: a first control switch (23) matched with the dust collector (20) is fixedly installed on one side of the inner cavity of the second chute plate (18), and the top of the dust collector (20) is fixedly connected with the bottom of the nut sleeve (16) through a connecting rod.

5. A novel teaching blackboard according to claim 3, characterized in that: the dust outlet of the dust collector (20) is in threaded communication with a dust collecting bottle (24).

6. The novel teaching blackboard of claim 1, wherein: and a second control switch (25) is fixedly arranged on the surface of the blackboard outer frame (2).