CN210911817U

CN210911817U - Intelligent blackboard eraser

Info

Publication number: CN210911817U
Application number: CN201921687056.3U
Authority: CN
Inventors: 赵勇
Original assignee: Shandong Polytechnic
Current assignee: Shandong Polytechnic
Priority date: 2019-10-10
Filing date: 2019-10-10
Publication date: 2020-07-03
Anticipated expiration: 2029-10-10

Abstract

The utility model discloses an intelligent blackboard eraser, including the blackboard eraser main part, the equal activity of tip is pegged graft about the upper and lower surface of blackboard eraser main part has the slide bar, slide bar upper end fixed mounting has the sponge to wipe, the fixed cover of slide bar lower extreme has the slide, terminal surface fixed mounting has the storage water tank under the slide, the storage water tank lower extreme is equipped with and adds the mouth of a river, slide upper surface middle part fixed mounting has the impeller group, the impeller group outside is equipped with the protection casing, all open the spacing groove about the storage water tank, the spacing inslot is equipped with the floater, the tip joint has the blanking cover under the blackboard. This kind of intelligence blackboard eraser not only can wipe the in-process with the blackboard eraser, and the chalk dust that produces reduces the dust and flies apart to the outside on inhaling the activated carbon adsorption cotton of spacing inslot side, can be convenient for moreover wipe the blackboard face that is difficult for clearing away to reach the effect that improves the clean degree of blackboard eraser.

Description

Intelligent blackboard eraser

Technical Field

The utility model relates to a teaching tool technical field specifically is intelligent blackboard eraser.

Background

In the teaching field, the blackboard is the most common teaching tool, although the modern education technology is developed rapidly, various tools capable of replacing the blackboard appear, but the blackboard is also a main teaching tool in most of actual teaching processes, a teacher can directly and conveniently write the teaching contents on the blackboard, so that students can understand the teaching contents conveniently, and the students can also write own understanding on the blackboard; the blackboard eraser is an auxiliary tool necessary for the blackboard and can be used for erasing written chalk marks on the blackboard so as to facilitate next writing; the traditional blackboard eraser generally comprises an eraser box and an eraser body, wherein the eraser body is fixed in the eraser box, the eraser body is generally made of sponge, cloth or cotton materials, and the eraser body is contacted with a blackboard to erase chalk marks; however, after the eraser is erased for many times, chalk residues are often adhered to the eraser, so that the erasing effect is affected, and in addition, in the erasing process, the generated chalk dust cannot be effectively treated, so that the chalk dust is easy to enter the human body through a respiratory system, and the body health of a user is affected. Therefore, we propose an intelligent blackboard eraser.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an intelligence blackboard eraser to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: intelligence blackboard eraser, including the blackboard eraser main part, the equal activity of tip is pegged graft about the upper and lower surface of blackboard eraser main part has the slide bar, slide bar upper end fixed mounting has the sponge to wipe, the fixed cover of slide bar lower extreme has connect the slide, terminal surface fixed mounting has the storage water tank under the slide, the storage water tank lower extreme is equipped with and adds the mouth of a river, slide upper surface middle part fixed mounting has the impeller group, the impeller group outside is equipped with the protection casing, all open the spacing groove about the storage water tank, the spacing inslot is equipped with the floater, the tip joint has the blanking cover under the.

Preferably, the sliding plate is movably arranged in the inner cavity of the blackboard eraser main body, the motor is arranged in the middle of the lower surface of the sliding plate, the impeller set is fixedly arranged at the upper end of the motor, and the impeller set, the storage battery and the motor are all electrically connected through a wire.

Preferably, the upper end part of the limiting groove is movably inserted with a sliding rod, the lower end part of the sliding rod is provided with a water inlet, and the lower end part of the sliding rod is arranged below the sliding plate.

Preferably, the upper end of the sliding rod is movably sleeved with a compression spring, the outer side of the compression spring is sleeved with a nylon sleeve, and the compression spring and the nylon sleeve are both arranged between the blackboard eraser main body and the sponge eraser.

Preferably, the upper end surfaces of the sliding plate and the protective cover are both provided with activated carbon adsorption cotton.

Preferably, the middle parts of the blackboard eraser main body and the protective cover are respectively provided with a first air hole.

Preferably, the upper end part of the sponge wiper is provided with soft cotton, the inner side of the soft cotton is provided with a water outlet pipe, a second air hole is formed between every two adjacent water outlet pipes, and the upper end of each second air hole is provided with the wiping cotton.

Compared with the prior art, the beneficial effects of the utility model are that: according to the intelligent blackboard eraser, by arranging the structure of the sliding rod, the limiting groove, the activated carbon adsorption cotton, the sponge eraser, the compression spring, the nylon sleeve and the impeller set, the chalk dust generated in the process of erasing the blackboard eraser can be absorbed onto the activated carbon adsorption cotton on the inner side of the limiting groove under the driving action of the impeller set, so that the outward scattering of the dust is reduced, and the effect of improving the use safety of the blackboard eraser is achieved; through setting up the storage water tank, adding mouth of a river and outlet pipe structure, through with pouring into water in the storage water tank, reverse place the blackboard eraser, make rivers go into in the cotton of wiping of outlet pipe tip, be convenient for wipe the blackboard face that is difficult for cleaing away, reach the effect that improves the clean degree of blackboard eraser.

Drawings

FIG. 1 is a main sectional view of the structure of the present invention;

fig. 2 is a schematic top view of the present invention;

fig. 3 is an enlarged view of the structure of the present invention at the position M.

In the figure: the blackboard eraser comprises a blackboard eraser main body 1, a water inlet 2, a limiting groove 3, a floating ball 4, a blocking cover 5, a sliding plate 6, a water storage tank 7, a water adding port 8, a sliding rod 9, a sponge eraser 10, soft cotton 11, a water outlet pipe 12, a compression spring 13, a nylon sleeve 14, an impeller assembly 15, a protective cover 16, a first air vent 17, activated carbon adsorption cotton 18, wiping cotton 19 and a second air vent 20.

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, the present invention provides a technical solution: the intelligent blackboard eraser comprises a blackboard eraser body 1, wherein a through hole is formed in the side wall of the blackboard eraser body 1, the gas inside the blackboard eraser can be conveniently discharged outwards through the through hole, a sliding rod 9 is movably inserted into the left end and the right end of the upper surface and the lower surface of the blackboard eraser body 1, the cross section of the sliding rod 9 is circular, the sliding rod 9 is arranged and can play a role in guiding a sliding plate 6, the sliding rod 9 is movably inserted into the upper end of a limiting groove 3, a water inlet 2 is formed in the lower end of the sliding rod 9, and the lower end of the sliding rod 9 is arranged below the. The blackboard eraser is characterized in that a sponge eraser 10 is fixedly installed at the upper end of the sliding rod 9, a compression spring 13 is movably sleeved at the upper end of the sliding rod 9, a nylon sleeve 14 is sleeved outside the compression spring 13, and the compression spring 13 and the nylon sleeve 14 are both arranged between the blackboard eraser main body 1 and the sponge eraser 10. The compression spring 13 is arranged inside the nylon sleeve 14, in the blackboard erasing process, the sponge eraser 10 is pressed inwards to compress the lower end parts of the compression spring 13 and the nylon sleeve 14, meanwhile, the sliding rod 9 pushes the sliding plate 6 to move downwards, under the action of the impeller set 15, the blades are driven to rotate through the motor, chalk dust is sucked into the blackboard eraser main body 1, the chalk dust is adsorbed through the activated carbon adsorption cotton, and the chalk dust is reduced from scattering outwards, so that the body health of a user is affected. The sliding rod 9 is connected to the sliding plate 6 through threads, the blocking cover 5 is taken down from the blackboard eraser main body 1, so that chalk dust in the blackboard eraser main body 1 can be removed, and meanwhile, the activated carbon adsorption cotton 18 is replaced to facilitate adsorption again. The lower end of the sliding rod 9 is fixedly sleeved with a sliding plate 6, and the upper end surfaces of the sliding plate 6 and the protective cover 16 are both provided with activated carbon adsorption cotton 18. Terminal surface fixed mounting has storage water tank 7 under 6 slides, 7 lower extremes of storage water tank are equipped with and add mouth of a

river

8, 6 upper surface middle part fixed mounting of slide has

impeller group

15, 6 movable mounting of slide in 1 inner chamber of blackboard eraser main part, and 6 lower surface middle parts of slide are equipped with the motor, the motor model is DS-25RS370 (tall and erect) the motor upper end fixed mounting has impeller group 15, battery and motor all pass through wire electric connection. The outer side of the impeller set 15 is provided with a protective cover 16, and the middle parts of the blackboard eraser main body 1 and the protective cover 16 are respectively provided with a first air hole 17. The water storage tank 7 is provided with a limiting groove 3 on the left and right, a floating ball 4 is arranged in the limiting groove 3, and a blocking cover 5 is clamped at the lower end of the blackboard eraser main body 1. Set up blanking cover 5, on the one hand, can increase the pleasing to the eye of blackboard eraser, on the other hand can be convenient for inject water into 7 storage water tanks, is more convenient for to adding water mouth 8 protection. The upper end of the sponge eraser 10 is provided with soft cotton 11, the inner side of the soft cotton 11 is provided with a water outlet pipe 12, a second air hole 20 is arranged between the adjacent water outlet pipes 12, the second air hole 20 is communicated with the inside of the blackboard eraser, and the upper end of the second air hole 20 is provided with a wiping cotton 19. The water outlet pipe 12 is arranged at the lower end part of the soft cotton 11, the upper end part of the wiping cotton 19 is flush with the upper end part of the soft cotton 11, when the writing which is not easy to wipe is wiped, water is injected into the water storage tank 7, the sponge wiper 10 is pressed, the lower end part of the sliding rod 9 pushes the floating ball 4 to move downwards, the water is led into the sliding rod 9 through the water inlet 2, the water passes through the inner cavity of the sliding rod 9 and the water outlet pipe 12, the wiping cotton 19 is soaked, in the wiping process, the chalk residue which is inconvenient to clear is convenient to clear, and the color wiping effect of the blackboard is improved.

The working principle is as follows: in the process of wiping the blackboard, the sponge eraser 10 is contacted with the blackboard to be wiped, the sponge eraser 10 is manually pressed, at the moment, the distance between the sponge eraser 10 and the blackboard eraser main body 1 is reduced, the compression spring 13 and the nylon sleeve 14 are extruded, meanwhile, the sliding rod 9 pushes the sliding plate 6 to slide downwards in the inner cavity of the blackboard eraser main body 1, under the action of the impeller set 15, chalk dust generated in the wiping process is absorbed in the blackboard eraser main body 1 through the first air hole 17 and the second air hole 20 due to the rotation of the impeller set 15, the chalk dust in the air is absorbed through the activated carbon absorption cotton 18, clean air is discharged outwards through the through holes in the side wall, the dispersion of the chalk dust to the outer side is reduced, when an area which is difficult to wipe on the blackboard is wiped, the blocking cover 5 is manually screwed down, water is injected into the water storage tank 7 through the water filling port 8, and the sponge eraser 10 is manually pressed in the same way, the lower end part of the slide rod 9 pushes the floating ball 4 to move downwards, water enters the inner cavity of the slide rod 9 through the water inlet 2 and flows into the water outlet pipe 12, so that the wiping cotton 19 is soaked, and the wiping cotton 19 is continuously humidified in the wiping process, so that the residue of chalk residues is reduced, and the chalk residues are more convenient to clean.

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. Intelligence blackboard eraser, including blackboard eraser main part (1), its characterized in that: the blackboard eraser is characterized in that a sliding rod (9) is movably inserted at the left end part and the right end part of the upper surface and the lower surface of a blackboard eraser main body (1), a sponge eraser (10) is fixedly installed at the upper end of the sliding rod (9), a sliding plate (6) is fixedly sleeved at the lower end of the sliding rod (9), a water storage tank (7) is fixedly installed at the lower end of the sliding plate (6), a water adding port (8) is arranged at the lower end of the water storage tank (7), an impeller set (15) is fixedly installed at the middle part of the upper surface of the sliding plate (6), a protective cover (16) is arranged at the outer side of the impeller set (15), a limiting groove (3) is formed in the left side and the right side of the water.

2. The intelligent blackboard eraser according to claim 1, wherein: the blackboard eraser is characterized in that the sliding plate (6) is movably arranged in an inner cavity of the blackboard eraser body (1), a motor is arranged in the middle of the lower surface of the sliding plate (6), the upper end of the motor is fixedly provided with an impeller set (15), and the impeller set (15), the storage battery and the motor are all electrically connected through a wire.

3. The intelligent blackboard eraser according to claim 1 or 2, characterized in that: the upper end of the limiting groove (3) is movably inserted with a sliding rod (9), the lower end of the sliding rod (9) is provided with a water inlet (2), and the lower end of the sliding rod (9) is arranged below the sliding plate (6).

4. The intelligent blackboard eraser according to claim 1, wherein: the blackboard eraser is characterized in that a compression spring (13) is movably sleeved at the upper end of the sliding rod (9), a nylon sleeve (14) is sleeved on the outer side of the compression spring (13), and the compression spring (13) and the nylon sleeve (14) are arranged between the blackboard eraser body (1) and the sponge eraser (10).

5. The intelligent blackboard eraser according to claim 1, wherein: the upper end surfaces of the sliding plate (6) and the protective cover (16) are both provided with activated carbon adsorption cotton (18).

6. The intelligent blackboard eraser according to claim 1, wherein: the middle parts of the blackboard eraser main body (1) and the protective cover (16) are respectively provided with a first air hole (17).

7. The intelligent blackboard eraser according to claim 1, wherein: the sponge wiper is characterized in that soft cotton (11) is arranged at the upper end of the sponge wiper (10), water outlet pipes (12) are arranged on the inner sides of the soft cotton (11), second air holes (20) are formed between every two adjacent water outlet pipes (12), and wiping cotton (19) is arranged at the upper ends of the second air holes (20).