CN218536161U

CN218536161U - Dust absorption formula blackboard eraser with teaching assistance function

Info

Publication number: CN218536161U
Application number: CN202222920508.6U
Authority: CN
Inventors: 任冠辰
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-11-03
Filing date: 2022-11-03
Publication date: 2023-02-28
Anticipated expiration: 2032-11-03

Abstract

The utility model relates to a dust absorption formula blackboard eraser with teaching assistance function, including casing (1), felt (2) and storage powder box (3), felt (2) set up in casing (1) one side, storage powder box (3) set up inside casing (1), storage powder box (3) are provided with into dirt mouth (31) and go out dirt mouth (32), it is located casing (1) of felt (2) both sides to enter dirt mouth (31), be provided with out dirt mouth lid (33) on going out dirt mouth (32), it installs on casing (1) to go out dirt mouth lid (33) demountable installation, storage powder box (3) are connected with dust absorption subassembly (4) that are used for providing suction for it, be provided with dust collection subassembly (5) between dust absorption subassembly (4) and the storage powder box (3), still be provided with laser emitter (7) that are used for launching level and/or vertically visible light on blackboard (6) on casing (1). Compared with the prior art, the utility model discloses the dust that produces when can absorbing the blackboard eraser and use can also play the effect of supplementary teaching.

Description

Dust absorption formula blackboard eraser with teaching assistance function

Technical Field

The utility model relates to a teaching aid technical field, concretely relates to dust absorption formula blackboard eraser with teaching assistance function.

Background

At present, after the common blackboard eraser is used for erasing the blackboard, chalk dust flies all the way, and is easily sucked into the lung of a human body, so that the health problem of teachers is caused. Secondly, the teacher is difficult to align the typeface at the in-process of writing on the blackboard with the chalk, and need be with the help of the ruler when drawing the straight line on the blackboard at ordinary times, and the process is troublesome relatively. The existing blackboard eraser is too single in function, the function of assisting teaching cannot be realized except for erasing chalk characters on a blackboard, and the teaching efficiency of teachers cannot be improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a dust absorption formula blackboard eraser with teaching assistance function has dust absorption and supplementary teaching effect concurrently.

The purpose of the utility model can be realized by the following technical proposal: the utility model provides a dust absorption formula blackboard eraser with teaching assistance function, which comprises a housin, felt and storage powder box, the felt sets up in casing one side, the storage powder box sets up inside the casing, the storage powder box is provided with into dirt mouth and play dirt mouth, it is located the casing of felt both sides to advance the dirt mouth, be provided with out dirt mouth lid on the play dirt mouth, it installs on the casing to go out dirt mouth lid demountable installation, the storage powder box is connected with the dust absorption subassembly that is used for providing suction for it, be provided with the dust filter screen between dust absorption subassembly and the storage powder box, still be provided with the laser emitter who is used for launching level and/or vertically visible light on the blackboard on the casing.

Preferably, a capacitive lithium battery for supplying power to the dust collection assembly and the laser transmitter is further arranged in the shell.

Further preferably, a piezoelectric ceramic is arranged between the shell and the felt, and the piezoelectric ceramic is connected with the capacitive lithium battery. The piezoelectric ceramic can not only charge the capacitive lithium battery, but also be used as a starting signal of the dust collection component.

Still further preferably, the casing on be equipped with wireless charging device and be used for the laser emitter switch that the laser emitter opened and close, be provided with the wireless charging seat that corresponds with wireless charging device in one side of blackboard.

Preferably, the wireless charging device is located inside the shell, the blackboard eraser can be placed at the position of the wireless charging seat, and the wireless charging device can charge the capacitive lithium battery. The capacitive lithium battery can realize high power, long cycle life, excellent temperature characteristic and excellent safety performance.

Preferably, a control circuit board is arranged in the shell and connected with the dust collection assembly, the laser transmitter switch, the piezoelectric ceramic, the capacitive lithium battery and the wireless charging device.

Preferably, the dust collection assembly comprises an air suction pipe and an air suction motor arranged on the air suction pipe, the air suction pipe is communicated with the interior of the powder storage box, and a dust filter screen is arranged between the air suction pipe and the powder storage box.

Further preferably, the suction motor is connected with a control circuit board.

Further preferably, the shell is provided with an air outlet for exhausting air from the air suction pipe.

Preferably, the laser emitter is provided with the mutually perpendicular light-emitting strips, and the laser emitter is provided with the laser emitter lamp shade. A horizontal and vertical visible light can be emitted on the blackboard through the laser emitter, so that teachers can be helped to complete blackboard writing and teaching content design on the blackboard.

Preferably, a baffle plate for preventing dust inside the powder storage box from leaking is arranged around the dust inlet.

Preferably, the shell is provided with a magnetic attraction device.

Compared with the prior art, the utility model has the advantages of it is following:

1. the utility model can absorb the dust generated by the blackboard eraser when in use through the matching arrangement of the powder storage box and the dust absorption component, and the design of the left and right dust inlets can realize good dust absorption effect when the blackboard eraser is used in the left and right directions;

2. the utility model can emit horizontal and/or vertical visible light on the blackboard through the laser emitter, thereby playing the role of helping teachers to neatly work the blackboard and assist in teaching;

3. the utility model can realize high power, long cycle life, excellent temperature characteristic and safety performance by the arrangement of the capacitance type lithium battery;

4. the utility model discloses dust absorption effect is good, and it is convenient to charge, and piezoceramics not only can charge for capacitanc lithium cell, can also regard as the start signal of the motor of breathing in for blackboard eraser during operation can automatic start suction motor, realizes the state of opening promptly with using.

Drawings

Fig. 1 is a schematic view of the internal structure of the blackboard eraser of the present invention;

fig. 2 is a schematic view of the overall structure of the blackboard eraser of the present invention;

fig. 3 is a schematic view of the overall structure of the blackboard eraser of the present invention;

FIG. 4 isbase:Sub>A cross-sectional view taken along plane A-A of FIG. 1;

FIG. 5 is a schematic view of the cross-sectional view taken along the line B-B in FIG. 1 (with the housing omitted) and the dust absorption process;

fig. 6 is a schematic diagram of the position of the wireless charging stand according to the present invention;

in the figure: 1-shell, 2-felt, 3-powder storage box, 31-dust inlet, 32-dust outlet, 33-dust outlet cover, 34-baffle, 4-dust collection component, 41-air suction pipe, 42-air suction motor, 5-dust filter screen, 6-blackboard, 7-laser emitter, 8-capacitance lithium battery, 9-piezoelectric ceramic, 10-wireless charging device, 11-laser emitter switch, 12-wireless charging seat, 13-control circuit board, 14-air outlet, 15-laser emitter lampshade, 16-magnetic attraction device and 17-dust.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. The following examples are carried out on the premise of the technical solution of the present invention, and detailed embodiments and specific operation procedures are given, but the scope of the present invention is not limited to the following examples.

Example 1

The utility model provides a dust absorption formula blackboard eraser with teaching assistance function, as shown in fig. 1-3, including casing 1, felt 2, storage powder box 3, dust absorption subassembly 4, dust filter screen 5 and laser emitter 7, felt 2 sets up in casing 1 one side for clean blackboard 6, and storage powder box 3 sets up in casing 1 for absorb and store the dust that drops when cleaning blackboard 6, and storage powder box 3 is connected with and is used for providing the dust absorption subassembly 4 of suction for it. Specifically, the powder storage box 3 is provided with a dust inlet 31 and a dust outlet 32, the inlet of the dust inlet 31 is arranged on the shell 1 on two sides of the felt 2, the dust enters from the dust inlet 31 under the action of the suction force of the dust suction component 4 and is stored in the cavity inside the powder storage box 3, the dust outlet 32 is provided with a dust outlet cover 33, the dust outlet cover 33 is detachably mounted on the shell 1, when dust is required to be sucked, the dust outlet 32 is blocked by the dust outlet cover 33, when the dust in the powder storage box 3 is required to be poured out, the dust outlet cover 33 is opened, and the dust collected inside the powder storage box 3 can be poured out. A dust filter screen 5 is arranged between the dust collection component 4 and the powder storage box 3, so that dust can be prevented from being discharged from the dust collection component 4.

In addition, in this embodiment, a laser emitter 7 for emitting horizontal and/or vertical visible light on the blackboard 6 is further disposed on the casing 1, so as to help teachers to complete blackboard writing and assist teaching.

Example 2

The utility model provides a dust absorption formula blackboard eraser with teaching assistance function, includes:

an air suction motor 42, as shown in fig. 4, is arranged on an air suction pipe 41 bent in a right-angle shape, one end of the air suction pipe 41 is connected with the top of the powder storage box 3, and a dust filter screen 5 is installed at the connection position of the air suction pipe 41 and the powder storage box 3;

the left side and the right side of the powder storage box 3 are respectively provided with a strip-shaped opening dust inlet 31, a baffle 34 is arranged around the dust inlet 31, and the bottom of the powder storage box 3 is provided with a dust outlet 32;

the laser transmitter 7 is arranged on one side of the blackboard eraser;

the piezoelectric ceramics 9 is arranged at the bottom of the felt 2;

the capacitive lithium battery 8 is arranged in the blackboard eraser;

the control circuit board 13 is connected with the air suction motor 42, the laser emitter 7, the laser emitter switch 11, the piezoelectric ceramics 9, the capacitive lithium battery 8 and the wireless charging device 10;

the wireless charging device comprises a shell 1, two magnetic suction devices 16 are arranged at two ends of the exterior of the shell 1, a wireless charging device 10 is arranged in the middle of the interior of the shell, a laser emitter lampshade 15 and a laser emitter switch 11 are arranged on the side face of the shell, and an air outlet 14 and a dust outlet cover 33 are arranged at the bottom of the shell;

the wireless charging stand 12 is attached to the blackboard 6 side as shown in fig. 6.

As shown in fig. 5, when the suction motor 42 is operated, the dust 17 can be sucked through the left and right dust inlets 31 at the bottom of the casing 1 and stored in the dust storage box 3;

the baffles 34 around the two dust inlets 31 can prevent dust inside the powder container 3 from being discharged; the dust collected in the powder storage box 3 can be poured out by opening the dust outlet cover 33 at the bottom of the housing 1;

the piezoelectric ceramic 9 can generate a certain voltage when being pressed, on one hand, the piezoelectric ceramic can be used as an electric signal for starting the suction motor 42 to work, and also can be used for charging the capacitance lithium battery 8; when the blackboard eraser is used, the piezoelectric ceramic 9 can generate a certain voltage after sensing the pressure, the voltage can be sensed by a chip in the control circuit board 13, the chip can send a starting signal after sensing, the suction motor 42 starts to work, when the blackboard eraser is stopped to be used, the pressure disappears, the electric signal disappears immediately, the chip which cannot sense the voltage signal stops sending the starting signal, and the suction motor 42 stops working immediately;

the laser emitter 7 comprises mutually vertical luminous strips which are respectively and correspondingly connected with a horizontal laser emitter switch 11 and a vertical laser emitter switch 11, and a horizontal and/or vertical visible light ray can be emitted on the blackboard by opening the horizontal and/or vertical laser emitter switch 17, so that the effects of helping teachers to work and finish blackboard writing and assisting teaching are achieved;

the magnetic attraction device 16 can fix the blackboard eraser on the blackboard 6 and the wireless charging seat 12;

the wireless charging device 10 can charge the capacitive lithium battery 8 when the blackboard eraser is in the position of the wireless charging dock 12.

The utility model discloses the dust that the blackboard eraser produced in the use can be collected to the blackboard eraser high-efficient, reaches air-purifying's effect. The laser emitter can emit a horizontal and/or vertical visible light ray on the blackboard, so that teachers can be helped to complete board writing and teaching content design on the blackboard.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention according to the disclosure of the present invention.

Claims

1. The utility model provides a dust absorption formula blackboard eraser with teaching assistance function, a serial communication port, including casing (1), felt (2) and storage powder box (3), felt (2) set up in casing (1) one side, storage powder box (3) set up inside casing (1), storage powder box (3) are provided with into dirt mouth (31) and play dirt mouth (32), it is located casing (1) of felt (2) both sides to advance dirt mouth (31), be provided with on the play dirt mouth (32) and go out dirt mouth lid (33), it installs on casing (1) to go out dirt mouth lid (33) demountable installation, storage powder box (3) are connected with dust absorption subassembly (4) that are used for providing suction for it, be provided with dust filter screen (5) between dust absorption subassembly (4) and the storage powder box (3), still be provided with on casing (1) and be used for launching horizontal and/or vertically visible light's laser emitter (7) on blackboard (6).

2. Dust-absorbing blackboard eraser with teaching aid according to claim 1, characterized in that a capacitive lithium battery (8) is also arranged in the housing (1) for powering the dust-absorbing assembly (4) and the laser emitter (7).

3. The dust-absorption blackboard eraser with teaching assistance function according to claim 2, wherein a piezoelectric ceramic (9) is arranged between the housing (1) and the felt (2), and the piezoelectric ceramic (9) is connected with the capacitive lithium battery (8).

4. The dust absorption blackboard eraser with teaching assistance function according to claim 3, wherein the housing (1) is provided with a wireless charging device (10) and a laser emitter switch (11) for turning on and off the laser emitter (7), and one side of the blackboard (6) is provided with a wireless charging seat (12) corresponding to the wireless charging device (10).

5. The dust-absorption blackboard eraser with teaching assistance function according to claim 4, wherein a control circuit board (13) is arranged in the casing (1), and the control circuit board (13) is connected with the dust-absorption component (4), the laser emitter (7), the laser emitter switch (11), the piezoelectric ceramic (9), the capacitive lithium battery (8) and the wireless charging device (10).

6. The blackboard eraser with teaching aid according to claim 1, wherein the dust collection assembly (4) includes an air suction pipe (41) and a suction motor (42) disposed on the air suction pipe (41), the air suction pipe (41) is connected to the interior of the powder storage box (3), and a dust filter (5) is disposed between the air suction pipe (41) and the powder storage box (3).

7. The dust-absorption blackboard eraser with teaching assistance function according to claim 6, wherein the housing (1) is provided with an air outlet (14) for exhausting air from the air suction pipe (41).

8. The dust-absorption blackboard eraser with teaching assistance function according to claim 1, wherein the laser emitter (7) is provided with mutually perpendicular light-emitting strips, and a laser emitter lampshade (15) is arranged on the laser emitter (7).

9. The blackboard eraser with teaching aid according to claim 1, wherein a baffle (34) is provided around the dust inlet (31) for preventing dust inside the dust container (3) from leaking.

10. The dust-absorbing blackboard eraser with teaching aid function according to any one of claims 1 to 9, wherein the housing (1) is provided with a magnetic attraction device (16).