CN214865545U

CN214865545U - Blackboard eraser cleaning device

Info

Publication number: CN214865545U
Application number: CN202121614033.7U
Authority: CN
Inventors: 袁齐泽
Original assignee: Zhongxu Experimental School Affiliated To Shangnormal University Putuo District Zhoushan City
Current assignee: Zhongxu Experimental School Affiliated To Shangnormal University Putuo District Zhoushan City
Priority date: 2021-07-16
Filing date: 2021-07-16
Publication date: 2021-11-26
Anticipated expiration: 2031-07-16

Abstract

The utility model provides a blackboard eraser cleaning device has solved the mode of traditional clearance blackboard eraser and has caused the dust to fly upward and influence the problem that teachers and students are healthy. The method is characterized in that: the dust collection box comprises a shell and a shell cover, wherein at least one vertically-arranged first clamping groove is formed in the inner wall of the shell, a rotating shaft is arranged in the center of the shell, brushes are uniformly distributed in the circumferential direction of the rotating shaft, and a dust collection box matched with the shell in a drawer type mode is arranged below the first clamping groove. The blackboard eraser with the dust that will store up is put to a draw-in groove, then covers the cap, and the pivot is furnished with the motor, rotates the pivot and makes the brush act on the blackboard eraser, makes the dust of blackboard eraser drop to the dust collecting box in, can not cause the condition that the dust flies upward to take place, ensures good teaching environment.

Description

Blackboard eraser cleaning device

Technical Field

The utility model relates to a teaching appurtenance field, concretely relates to blackboard eraser cleaning device.

Background

In teaching, a blackboard and chalk are important tools in teaching, when chalk writing on the blackboard is cleared, an eraser with bristles or cotton cloth is mainly adopted, when the eraser is used, more dust can be stored, and the cleaning effect can be seriously hindered by the redundant dust when the eraser is used next time. When the clearance blackboard eraser, can put the blackboard eraser on the wall usually and pat, shake the chalk dust and fall and fly away, though can play the effect of clearance like this, but a large amount of chalk dust can fly away to the air in, can influence the breathing health of crowd around like this.

SUMMERY OF THE UTILITY MODEL

For overcoming the not enough of background art, the utility model provides a blackboard eraser cleaning device has solved the mode of traditional clearance blackboard eraser and has caused the dust to fly upward and influence the problem that teachers and students are healthy.

The utility model adopts the technical scheme as follows:

the blackboard eraser cleaning device comprises a shell and a shell cover, wherein at least one vertically-arranged first clamping groove is formed in the inner wall of the shell, a rotating shaft is arranged in the center of the shell, brushes are uniformly distributed in the circumferential direction of the rotating shaft, and a dust collecting box matched with the shell in a drawer mode is arranged below the first clamping groove.

A pressing plate is arranged in the first card slot, and an elastic reset piece is arranged between one side of the pressing plate and the inner wall of the first card slot.

One side that the elasticity piece that resets is connected to the clamp plate is equipped with the bellying, the inner wall of draw-in groove be equipped with bellying complex logical groove.

The casing is square, the inner wall of casing is equipped with four draw-in grooves No. one.

A wet sponge layer is arranged in the dust collection box.

A fan is arranged above the dust collecting box.

The side of the shell is provided with a platform, and the side and the back of the platform are provided with baffles.

Still including the mounting bar that is used for fixed brush, the circumference of pivot be equipped with mounting bar complex No. two draw-in grooves, the inner wall of No. two draw-in grooves is equipped with the elastic locating pin, the both sides of mounting bar be equipped with elastic locating pin complex recess.

The utility model has the advantages that:

the blackboard eraser with the dust that will store up is put to a draw-in groove, then covers the cap, and the pivot is furnished with the motor, rotates the pivot and makes the brush act on the blackboard eraser, makes the dust of blackboard eraser drop to the dust collecting box in, can not cause the condition that the dust flies upward to take place, ensures good teaching environment.

Drawings

Fig. 1 is a schematic diagram of the present invention.

Fig. 2 is a schematic top view of the present invention.

Fig. 3 is a schematic cross-sectional view of the mounting bar and the second groove of the present invention.

The dust collecting device comprises a shell 1, a shell cover 2, a first clamping groove 3, a rotating shaft 4, a brush 5, a dust collecting box 6, a pressing plate 7, an elastic resetting piece 8, a protruding part 9, a through groove 10, a wet sponge layer 11, a fan 12, a platform 13, a baffle plate 14, a mounting bar 15, a second clamping groove 16, an elastic positioning pin 17 and a groove 18.

Detailed Description

The invention will be further explained with reference to the following embodiments and drawings:

in an embodiment, as shown in fig. 1 and 2, the blackboard eraser cleaning device includes a housing 1 and a housing cover 2, wherein at least one first slot 3 vertically arranged is formed in an inner wall of the housing 1, a rotating shaft 4 is arranged at a central position in the housing 1, brushes 5 are uniformly distributed around the rotating shaft 4, and a dust collecting box 6 in drawer-type fit with the housing 1 is arranged below the first slot 3. The blackboard eraser with dust storage is placed into the first clamping groove 3, then the shell cover 2 is covered, the rotating shaft 4 is provided with the motor, the rotating shaft 4 is rotated to enable the brush 5 to act on the blackboard eraser, the dust of the blackboard eraser falls into the dust collection box 6, the situation that the dust flies up cannot be caused, and a good teaching environment is ensured.

In an embodiment, as shown in fig. 1 and 2, a pressing plate 7 is arranged in the first clamping groove 3, and an elastic resetting piece 8 is arranged between one side of the pressing plate 7 and the inner wall of the first clamping groove 3. The elastic reset piece 8 is a spring, the pressing plate 7 tightly presses the blackboard eraser in the first clamping groove 3, and the pressing plate 7 compresses the spring to adjust the size of the first clamping groove 3 and is used for clamping and fixing the blackboard erasers with different sizes.

In an embodiment, as shown in fig. 1, a protrusion 9 is disposed on one side of the pressing plate 7, which is connected to the elastic restoring member 8, and a through groove 10, which is engaged with the protrusion 9, is disposed on an inner wall of the first engaging groove 3. Ensuring the straightness of the movement of the pressure plate 7.

In an embodiment, as shown in fig. 1, the housing 1 is square, and four first slots 3 are formed in an inner wall of the housing 1. Four blackboard erasers can be placed in the shell 1 for cleaning at one time, and cleaning efficiency is high.

In an embodiment, as shown in fig. 1, a wet sponge layer 11 is placed inside the dust collecting container 6. The dust is absorbed and attached to the wet sponge layer 11, and the dust is prevented from flying in the shell or secondarily.

In the embodiment, as shown in fig. 1 and 2, a fan 12 is provided above the dust box 6. The fan 12 is for sucking dust into the dust collecting box

In the embodiment, as shown in fig. 1 and fig. 2, a platform 13 is provided at a side of the housing 1, and baffles 14 are provided at a side and a rear of the platform 13. A module for controlling a rotating shaft motor and a fan motor is arranged in the platform 13, a motor control switch is arranged on the side edge of the platform 13, and a blackboard eraser can be placed on the platform 13.

In the embodiment, as shown in fig. 1 and fig. 3, the brush fixing device further includes a mounting bar 15 for fixing the brush 5, a second clamping groove 16 matched with the mounting bar 15 is formed in the circumferential direction of the rotating shaft 4, an elastic positioning pin 17 is arranged on the inner wall of the second clamping groove 16, and grooves 18 matched with the elastic positioning pin 17 are formed in two sides of the mounting bar 15. The mounting strip 15 is matched with the rotating shaft 4 in an inserting mode, and the brush 5 is convenient to replace.

It is obvious that the above embodiments of the present invention are only examples for illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. There is no need or no way to give poor examples of all embodiments. And that such obvious changes and modifications are within the scope of the present invention as defined by the appended claims.

Claims

1. Blackboard eraser cleaning device, its characterized in that: the dust collection box comprises a shell (1) and a shell cover (2), wherein at least one vertical clamping groove (3) is formed in the inner wall of the shell (1), a rotating shaft (4) is arranged in the center of the shell (1), brushes (5) are uniformly distributed in the circumferential direction of the rotating shaft (4), and a dust collection box (6) matched with the shell (1) in a drawer mode is arranged below the clamping groove (3).

2. The blackboard eraser cleaning device according to claim 1, wherein: be equipped with clamp plate (7) in draw-in groove (3), be equipped with elasticity piece (8) that reset between one side of clamp plate (7) and draw-in groove (3) inner wall.

3. The blackboard eraser cleaning device according to claim 2, wherein: one side that elasticity piece (8) are connected in clamp plate (7) is equipped with bellying (9), the inner wall of draw-in groove (3) be equipped with bellying (9) complex logical groove (10).

4. The blackboard eraser cleaning device according to claim 1, wherein: the shell (1) is square, and the inner wall of the shell (1) is provided with four first clamping grooves (3).

5. The blackboard eraser cleaning device according to claim 1, wherein: a wet sponge layer (11) is arranged in the dust collection box (6).

6. The blackboard eraser cleaning device according to claim 1, wherein: a fan (12) is arranged above the dust collection box (6).

7. The blackboard eraser cleaning device according to claim 1, wherein: the side of the shell (1) is provided with a platform (13), and the side and the back of the platform (13) are provided with baffles (14).

8. The blackboard eraser cleaning device according to claim 1, wherein: still including mounting bar (15) that are used for fixed brush (5), the circumference of pivot (4) is equipped with No. two draw-in grooves (16) with mounting bar (15) complex, the inner wall of No. two draw-in grooves (16) is equipped with elastic locating pin (17), the both sides of mounting bar (15) are equipped with recess (18) with elastic locating pin (17) complex.