CN218020970U

CN218020970U - Teaching blackboard

Info

Publication number: CN218020970U
Application number: CN202221965165.9U
Authority: CN
Inventors: 高菲; 董群
Original assignee: Changchun College Of Humanities
Current assignee: Changchun College Of Humanities
Priority date: 2022-07-28
Filing date: 2022-07-28
Publication date: 2022-12-13
Anticipated expiration: 2032-07-28

Abstract

The utility model discloses a teaching blackboard, including the blackboard body, blackboard body one side is connected and is equipped with first curb plate, first curb plate in-connection is equipped with the drive chamber, the drive intracavity is connected and is equipped with the spout, the drive chamber is equipped with the motor that can lock automatically through spout sliding connection, the power take off end of motor is connected and is equipped with the pivot, connect in the pivot and be equipped with the gear, first curb plate is equipped with the rack along the axial connection, rack and gear engagement, the pivot runs through first curb plate and is equipped with the board in other end tip rotation sealing connection and wipes the shell, the board is wiped the shell other end and is connected and be equipped with hollow slider, the board is wiped the shell and is close to slider one side connection and be equipped with the extraction fan, board is wiped shell in-connection and is equipped with towards blackboard body one side open-ended cavity, sliding connection is equipped with the slide in the cavity. Compared with the prior art, the utility model the advantage lie in: is convenient for automatically wiping chalk dust and collecting dust.

Description

Teaching blackboard

Technical Field

The utility model relates to a teaching aid technical field specifically indicates a teaching blackboard.

Background

The chalk and the blackboard are necessary tools for classroom teaching at present, the chalk is applied to the history of thousands of years at present, and the chalk makes contribution to the education cause of human being, along with the progress of the history and the development of the society, the knowledge of human beings on the chalk teaching aid is continuously improved, namely, the chalk brings progress and makes great contribution to the education cause of human beings, and meanwhile, the chalk dust generated by wiping the blackboard has great harm to the respiratory system of teachers.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome above technical defect, provide a teaching blackboard convenient to automatically clean chalk dust, be convenient for collect dirt.

In order to solve the technical problem, the utility model provides a technical scheme does: the utility model provides a teaching blackboard, includes the blackboard body, blackboard body one side is connected and is equipped with first curb plate, first curb plate in-connection is equipped with the drive chamber, the drive intracavity is connected and is equipped with the spout, the drive chamber is equipped with the motor that can lock automatically through spout sliding connection, the power take off end connection of motor is equipped with the pivot, it is equipped with the gear to connect in the pivot, first curb plate is equipped with the rack along the axial connection, rack and gear engagement, the pivot runs through first curb plate and is equipped with the blackboard eraser shell in other end tip rotation sealing connection, the blackboard eraser shell other end connection is equipped with hollow slider, the blackboard eraser shell is close to slider one side connection and is equipped with the suction fan, blackboard shell in-connection is equipped with towards blackboard body one side open-ended cavity, sliding connection is equipped with the slide in the cavity, the connection is equipped with compensation arrangement on the slide, the sponge that the blackboard body was equipped with the butt body is connected to the slide opposite side is wiped, the run through the connection and is equipped with a plurality of dust absorption pipes on the slide, the dust absorption pipe runs through the sponge eraser and connects and is equipped with flexible collection wind hopper, the body connection of blackboard body is equipped with the blackboard body top of dust collection baffle, the blackboard body is kept away from first curb plate.

Compared with the prior art, the utility model the advantage lie in: when the blackboard writing on the blackboard needs to be cleaned, the motor and the exhaust fan are driven by the controller, the motor drives the rotating shaft, the rotating shaft drives the gear, the gear drives the motor and the blackboard eraser shell to move up and down by meshing with the rack, the blackboard eraser shell cleans chalk characters by the sponge eraser, and the dropped chalk scraps are guided into the cavity through the air collecting hopper and the dust collecting pipe in sequence, then pass through the sliding block and the telescopic pipe by the exhaust fan and are finally collected into the dust collecting box; the arrangement of the object placing plate is convenient for placing objects such as chalks.

Further, compensation arrangement is including rotating the threaded rod of connecting the slide, the threaded rod runs through the board through threaded connection and cleans the shell and be equipped with the knob in the other end connection, threaded rod outer cover connects and is equipped with the spring, the slide is connected to spring one end, and the shell inner wall is cleaned to the other end connecting plate, when the sponge is wiped long-time use resilience not enough, the sponge is wiped and is left the clearance between the blackboard body this moment, can not get rid of to the book chalk word very well, can be through rotating the knob, knob drive threaded rod, threaded rod drive slide, slide drive blackboard eraser butt blackboard body once more.

Furthermore, a dust collecting box with an upward opening is movably connected and arranged in the dust collecting box, a handle is connected and arranged on the dust collecting box, and dust is convenient to collect and clean through the arrangement of the handle and the dust collecting box.

Furthermore, the storage plate is connected with a plurality of parallel raised lines, and the arrangement of the raised lines avoids the chalk from rolling down.

Drawings

Fig. 1 is the external structure schematic diagram of the utility model relates to a teaching blackboard.

Fig. 2 is a schematic view of the main section structure of the teaching blackboard of the present invention.

Fig. 3 is a schematic diagram of a in fig. 2.

FIG. 4 is a cross-sectional view of a eraser housing.

As shown in the figure: 1. blackboard body, 2, first curb plate, 3, spout, 4, motor, 5, pivot, 6, gear, 7, rack, 8, blackboard eraser shell, 9, slider, 10, suction fan, 11, slide, 12, sponge eraser, 13, dust absorption pipe, 14, wind-collecting hopper, 15, second curb plate, 16, flexible pipe, 17, dust collection box, 18, shielding plate, 19, put the thing board, 20, threaded rod, 21, knob, 22, spring, 23, dust collection box, 24, handle, 25, sand grip.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Shown in combined drawings 1-4, a teaching blackboard, including blackboard body 1, connect and be equipped with first curb plate 2 in blackboard body 1 one side, the connection of 2 in-connections of first curb plate is equipped with the drive chamber, the connection of drive intracavity is equipped with spout 3, the drive chamber is equipped with motor 4 that can automatic locking through spout 3 sliding connection, the power take off end connection of motor 4 is equipped with pivot 5, connect and be equipped with gear 6 in the pivot 5, first curb plate 2 is equipped with rack 7 along the axial connection, rack 7 and gear 6 meshing, pivot 5 runs through first curb plate 2 and is equipped with board wiper shell 8 in other end tip rotation sealing connection, the connection of 8 other ends of board wiper shell is equipped with hollow slider 9, board wiper shell 8 is close to slider 9 one side connection and is equipped with aspirator fan 10, board wiper shell 8 in-connection is equipped with towards 1 one side open-ended cavity of blackboard body, sliding connection is equipped with slide 11 in the blackboard cavity, the connection is equipped with compensation arrangement on slide 11, slide 11 opposite side connection is equipped with butt 12 of sponge body 1, the connection is equipped with a plurality of dust absorption pipe 13 on the slide 11, dust absorption pipe 13 is equipped with the flexible connection of 16 the sponge 16 the blackboard body connection slider 2, the other end of the connection of the blackboard body connection of 16 is equipped with the flexible connection of the second curb plate 16 the flexible connection of the flexible connection slider 2, the blackboard body connection of the flexible connection of 16.

The compensation device comprises a threaded rod 20 rotatably connected with the sliding plate 11, the threaded rod 20 is connected with the through plate wiping shell 8 through threads, the other end of the threaded rod is connected with a knob 21, a spring 22 is sleeved outside the threaded rod 20, one end of the spring 22 is connected with the sliding plate 11, and the other end of the spring is connected with the inner wall of the through plate wiping shell 8; a dust collecting box 23 with an upward opening is movably connected in the dust collecting box 17, and a handle 24 is connected on the dust collecting box 23; the object placing plate 19 is connected with a plurality of convex strips 25 which are arranged in parallel.

The utility model discloses when the concrete implementation, when the blackboard writing needs to be cleaned on the blackboard, through controller driving motor 4 and extractor fan 10, motor 4 drives pivot 5, pivot 5 drive gear 6, gear 6 reciprocates through meshing driving motor 4 with rack 7 and blackboard eraser shell 8, blackboard eraser shell 8 cleans chalk characters through sponge eraser 12, when sponge eraser 12 uses resilience not enough for a long time, leave the clearance between sponge eraser 12 and the blackboard body 1 this moment, can not get rid of the blackboard chalk characters very well, can be through rotating knob 21, knob 21 drives threaded rod 20, threaded rod 20 drives slide 11, slide 11 drives the blackboard eraser and butts blackboard body 1 once more; the dropped chalk dust is led into the cavity through the air collecting hopper 14 and the dust collecting pipe 13 in sequence, then passes through the sliding block 9 and the telescopic pipe 16 through the exhaust fan 10, and is finally collected into the dust collecting box 17, and the dust is convenient to collect and clean through the arrangement of the handle 24 and the dust collecting box 23; the arrangement of the object placing plate 19 is convenient for placing objects, and the arrangement of the convex strip 25 prevents chalk from rolling off.

The present invention and its embodiments have been described above, but the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

Claims

1. The utility model provides a teaching blackboard, includes blackboard body (1), its characterized in that: the blackboard eraser is characterized in that a first side plate (2) is connected to one side of the blackboard body (1), a driving cavity is connected to and arranged in the first side plate (2), a sliding groove (3) is connected to and arranged in the driving cavity, a motor (4) capable of being automatically locked is arranged in the driving cavity through the sliding groove (3) in a sliding connection mode, a rotating shaft (5) is connected to and arranged at the power output end of the motor (4), a gear (6) is connected to and arranged on the rotating shaft (5), a rack (7) is arranged on the first side plate (2) along the axial direction in a connecting mode, the rack (7) is meshed with the gear (6), a blackboard eraser shell (8) is arranged on the rotating shaft (5) through the first side plate (2) in a rotating and sealing connection mode at the other end portion, a hollow sliding block (9) is connected to the other end of the blackboard eraser shell (8), a fan (10) is connected to and arranged on one side, a sponge eraser shell (12) is connected to and arranged on one side of the blackboard body (1), a sliding plate eraser shell (8) in a sliding connection mode, a sliding connection mode is provided with a sliding plate (11), a dust collecting pipe (13) which penetrates through and a sponge eraser body (12) penetrates through and a dust collecting pipe (13) is arranged on the other side of the blackboard body (11), the blackboard body (1) is kept away from one side of the first side plate (2) and is connected and provided with a second side plate (15), the second side plate (15) is connected with a sliding block (9), the other end of the sliding block (9) is connected and provided with a flexible telescopic pipe (16), the other end of the telescopic pipe (16) is connected and provided with a dust collection box (17), the top end of the blackboard body (1) is connected and provided with a shielding plate (18) of an L shape, and the bottom end of the blackboard body (1) is connected and provided with a storage plate (19).

2. A teaching blackboard according to claim 1, characterised in that: compensation arrangement is including rotating threaded rod (20) of connecting slide (11), threaded rod (20) run through the board through threaded connection and wipe shell (8) and connect at the other end and be equipped with knob (21), threaded rod (20) overcoat connects and is equipped with spring (22), slide (11) are connected to spring (22) one end, and shell (8) inner wall is wiped to the other end connecting plate.

3. A teaching blackboard according to claim 1, characterised in that: a dust collecting box (23) with an upward opening is movably connected in the dust collecting box (17), and a handle (24) is connected on the dust collecting box (23).

4. A teaching blackboard according to claim 1, characterised in that: the object placing plate (19) is connected with a plurality of convex strips (25) which are arranged in parallel.