CN210821541U - Multifunctional teaching blackboard - Google Patents

Abstract

The utility model discloses a multi-functional teaching blackboard, including first blackboard, second blackboard, pull rod, push rod, brush board and dust catcher, connect through four pull rods between first blackboard and the second blackboard, first blackboard and second blackboard structure are unanimous, the board groove has been seted up at the middle part of first blackboard, be connected with the brush board through the push rod on the lateral wall in board groove, the brush board has the dust catcher through pipe connection, the brush board includes brush hair, dust absorption mouth and plate body, the dust absorption mouth has been seted up to the side of plate body and lower bottom surface, the dust absorption mouth communicates with each other with the dust catcher, the both sides of dust absorption mouth are equipped with the brush hair. This blackboard is through manual pulling second blackboard for the second blackboard is parallel or overlaps with first blackboard under the linkage effect of pull rod, changes the blackboard that the tradition was connected, has avoided the dust inlay card in the spout, and collects the dust through inlet scoop intercommunication dust catcher on the plate body, improves the environment, the clearance of being convenient for.

Description

Multifunctional teaching blackboard

Technical Field

The utility model relates to a blackboard technical field especially relates to a multi-functional teaching blackboard.

Background

The blackboard is not particularly a black board, is a plane which can be repeatedly written by chalk in the traditional sense, is hard, and is mainly used for teaching. The blackboard is generally made of wood board or ground glass, and can be written on by using specific writing materials such as chalk. The prior classroom mostly adopts an assembled blackboard, namely, a wall body is provided with chutes, the two blackboards can slide and move positions in the two parallel chutes to facilitate the movement of the blackboards to the center of a wall surface and facilitate teaching, but the chutes are usually plugged by chalk, which causes difficulty in sliding and great difficulty in cleaning dust, and the dust can drop downwards when the prior blackboard writes characters by using chalk, the dust can not fly in the process, but the dust can not be cleaned in time when a large amount of dropped dust is accumulated in the dust chute, which can cause the dust to fly, and the problem is more serious when the blackboard is cleaned, the cleaning area of the blackboard is small, and the dust at the cleaning position is serious,

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multi-functional teaching blackboard possesses the clearance of being convenient for, improves the characteristics of environment, has solved the problem among the prior art.

In order to achieve the above object, the utility model provides a following technical scheme: a multifunctional teaching blackboard comprises a first blackboard, a second blackboard, pull rods, push rods, a brushing plate and a dust collector, wherein the first blackboard and the second blackboard are connected through the four pull rods, the first blackboard and the second blackboard are consistent in structure, a plate groove is formed in the middle of the first blackboard, the brushing plate is connected to the side wall of the plate groove through the push rods, and the brushing plate is connected with the dust collector through a pipeline; the pull rod comprises a rotating shaft, a first rod body and a second rod body, the first rod body is rotatably connected with the second rod body through the rotating shaft, and the second rod body and the first rod body are respectively rotatably connected with a second blackboard and a first blackboard through the rotating shaft; the two ends of the push rod are respectively and movably connected with the side wall of the plate groove and the side wall of the brush plate, the brush plate comprises brush bristles, a dust collection port and a plate body, the side surface and the lower bottom surface of the plate body are provided with the dust collection port, the dust collection port is communicated with a dust collector, and the brush bristles are arranged on the two sides of the dust collection port.

Preferably, the push rod comprises a third rod body and a fourth rod body, and the third rod body and the fourth rod body are rotatably connected through a rotating shaft.

Preferably, a T-shaped sliding rail is arranged on the side wall of the upper end of the plate groove, the upper end of the brushing plate is T-shaped, and the upper end of the brushing plate is connected with a first blackboard in a sliding mode through the T-shaped sliding rail.

Preferably, the lower surface of the plate groove is provided with a dust groove.

Preferably, the first blackboard and the second blackboard are parallel to each other or overlap with each other.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a multi-functional teaching blackboard, through manual pulling brush board, the removal of brush board along the board groove is brushed the typeface that the board groove surface was write, and brushing area is big, and is easy and simple to handle, avoids brushing the dust that the board is lost and the brush board is infected with and is getting to put the in-process large tracts of land and spread to the air.

2. The utility model discloses a multi-functional teaching blackboard through manual pulling second blackboard for the second blackboard is parallel or overlaps with first blackboard under the linkage effect of pull rod, changes traditional sliding connection's blackboard, has avoided the dust inlay card in the spout.

3. The utility model discloses a multi-functional teaching blackboard, through inlet scoop intercommunication dust catcher on the plate body, the dust catcher is opened at the brush in-process to the brush board, and the inlet scoop is L shape, and towards the surface in board groove and the surface in dust groove, will brush near the dust collection in-process scrubbing brush and drop to the dust collection in dust groove respectively, has avoided the dust to fly upward, improves the environment, is convenient for clear up the classroom is clean.

Drawings

FIG. 1 is an overall structure diagram of the present invention;

FIG. 2 is a view showing the first blackboard and the second blackboard of the present invention in a parallel state;

FIG. 3 is a view showing the first blackboard and the second blackboard of the present invention overlapped with each other;

FIG. 4 is a first blackboard structure view of the present invention;

fig. 5 is a structural view of the brush plate of the present invention.

In the figure: 1. a first blackboard; 11. a plate groove; 12. a dust tank; 2. a second blackboard; 3. a pull rod; 31. a rotating shaft; 32. a first rod body; 33. a second rod body; 4. a push rod; 41. a third rod body; 42. a fourth rod body; 5. brushing the board; 51. brushing; 52. a dust suction port; 53. a plate body; 6. a vacuum cleaner.

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. 1-3, a multifunctional teaching blackboard comprises a first blackboard 1, a second blackboard 2, a pull rod 3, a push rod 4, a brush board 5 and a dust collector 6, wherein the first blackboard 1 is connected with the second blackboard 2 through four pull rods 3, the pull rod 3 comprises a rotating shaft 31, a first rod 32 and a second rod 33, the first rod 32 is rotatably connected with the second rod 33 through the rotating shaft 31, the second rod 33 and the first rod 32 are respectively rotatably connected with the second blackboard 2 and the first blackboard 1 through the rotating shaft 31, the second blackboard 2 is manually pulled, when the first bar 32 and the second bar 33 are parallel to the horizontal plane, the first blackboard 1 and the second blackboard 2 are parallel to each other, when the first rod body 32 and the second rod body 33 are bent to the minimum angle, the first blackboard 1 and the second blackboard 2 are overlapped with each other, the traditional blackboard in sliding connection is changed, and the phenomenon that dust is clamped in the sliding groove and difficult to clean is avoided.

Referring to fig. 4-5, a first blackboard 1 and a second blackboard 2 have the same structure, a board slot 11 is formed in the middle of the first blackboard 1, a dust slot 12 is formed in the lower surface of the board slot 11, an air suction opening in a board body 53 is communicated with a dust collector 6, the brush board 5 is manually pulled to move along a T-shaped slide rail at the upper end of the board slot 11, the dust collector 6 is started during the brushing process by the brush board 5, the air suction opening is L-shaped and faces the surface of the board slot 11 and the surface of the dust slot 12 to collect dust near the board brush and dust falling into the dust slot 12 during the brushing process, the brush board 5 is connected to the side wall of the board slot 11 through a push rod 4, the push rod 4 comprises a third rod body 41 and a fourth rod body 42, the third rod body 41 and the fourth rod body 42 are rotatably connected through a rotating shaft 31, the brush board 5 is connected to the dust collector 6 through a pipeline, the two ends of the push rod 4 are respectively and movably connected to the side wall of the, the side wall of the upper end of the board groove 11 is provided with a T-shaped sliding rail, the upper end of the brush board 5 is T-shaped, the upper end of the brush board 5 is connected with a first blackboard 1 through the T-shaped sliding rail in a sliding manner, the brush board 5 comprises brush hair 51, a dust suction opening 52 and a board body 53, the side surface and the lower bottom surface of the board body 53 are provided with the dust suction opening 52, the dust suction opening 52 is communicated with the dust collector 6, and the brush hair 51 is arranged on two sides of the dust suction opening 52.

The working principle is as follows: by manually pulling the second blackboard 2, when the first rod body 32 and the second rod body 33 are parallel to the horizontal plane, the first blackboard 1 and the second blackboard 2 are parallel to each other, and when the first rod body 32 and the second rod body 33 are bent to the minimum angle, the first blackboard 1 and the second blackboard 2 are overlapped with each other; the inlet scoop on the plate body 53 communicates dust catcher 6, and through manual pulling brush board 5, brush board 5 moves along the T type slide rail of 11 upper ends of board groove, and brush board 5 opens dust catcher 6 in the brushing in-process, and the inlet scoop is L shape, and towards the surface of board groove 11 and the surface of dust groove 12, will brush near the in-process scrubbing brush and drop the dust collection to dust groove 12 respectively.

In summary, the following steps: the utility model discloses a multi-functional teaching blackboard, through manual pulling brush board 5, brush board 5 is along the removal of blackboard slot 11, brushes the typeface of writing on blackboard slot 11 surface, and it is long-pending to brush, easy and simple to handle, avoids brush board 5 to lose and brush the dust that board 5 is infected with to spread in the air in a large scale in getting and putting the process; the second blackboard 2 is manually pulled to enable the second blackboard 2 to be parallel to or overlapped with the first blackboard 1 under the connecting action of the pull rod 3, the traditional blackboard in sliding connection is changed, and dust is prevented from being clamped and embedded in the sliding groove; through inlet scoop intercommunication dust catcher 6 on the plate body 53, brush board 5 is brushing in-process and is opening dust catcher 6, and the inlet scoop is L shape, and towards the surface of board groove 11 and the surface of dust groove 12, will brush near the dust collection of in-process scrubbing brush and drop to the dust collection of dust groove 12 respectively, has avoided the dust to fly upward, improves the environment, is convenient for clear up, and the classroom is clean.

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 (5)

1. The utility model provides a multi-functional teaching blackboard, includes first blackboard (1), second blackboard (2), pull rod (3), push rod (4), brush board (5) and dust catcher (6), its characterized in that: the first blackboard (1) is connected with the second blackboard (2) through four pull rods (3), the first blackboard (1) and the second blackboard (2) are consistent in structure, a blackboard slot (11) is formed in the middle of the first blackboard (1), a brushing plate (5) is connected to the side wall of the blackboard slot (11) through a push rod (4), and the brushing plate (5) is connected with a dust collector (6) through a pipeline; the pull rod (3) comprises a rotating shaft (31), a first rod body (32) and a second rod body (33), the first rod body (32) is rotatably connected with the second rod body (33) through the rotating shaft (31), and the second rod body (33) and the first rod body (32) are respectively rotatably connected with a second blackboard (2) and a first blackboard (1) through the rotating shaft (31); the both ends of push rod (4) swing joint have the lateral wall of board groove (11) and the lateral wall of brush board (5) respectively, brush board (5) are including brush hair (51), dust absorption mouth (52) and plate body (53), dust absorption mouth (52) have been seted up to the side and the lower bottom surface of plate body (53), dust absorption mouth (52) communicate with each other with dust catcher (6), the both sides of dust absorption mouth (52) are equipped with brush hair (51).

2. A multifunctional teaching blackboard according to claim 1, characterized in that: the push rod (4) comprises a third rod body (41) and a fourth rod body (42), and the third rod body (41) is rotatably connected with the fourth rod body (42) through a rotating shaft (31).

3. A multifunctional teaching blackboard according to claim 1, characterized in that: the blackboard eraser is characterized in that a T-shaped sliding rail is arranged on the side wall of the upper end of the board groove (11), the upper end of the brush board (5) is T-shaped, and the upper end of the brush board (5) is connected with a first blackboard (1) through the T-shaped sliding rail in a sliding mode.

4. A multifunctional teaching blackboard according to claim 1, characterized in that: the lower surface of the plate groove (11) is provided with a dust groove (12).

5. A multifunctional teaching blackboard according to claim 1, characterized in that: the first blackboard (1) and the second blackboard (2) are parallel to each other or overlapped with each other.

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