CN210082763U - Blackboard eraser of environmental protection dust fall, removable cleaning - Google Patents

Abstract

The utility model discloses an environment-friendly dust fall and detachable cleaning blackboard eraser, wherein two round holes are arranged on the upper end surface of a water tank, a water leakage hole is arranged on the lower end surface of the water tank and is correspondingly arranged coaxially with one round hole, a first screw knob and a second screw knob are respectively in threaded connection with the two round holes, the bottom end of the first screw knob is abutted against the water leakage hole, and a porous water-absorbing fiber sponge is inserted into the bottom surface of the water tank; all peg graft a pure cotton on the left end face of water tank and the right-hand member face and wipe, the surface all sets up the recess of a bar form around the pure cotton is wiped, and adjust knob wears to locate in the recess, and the both sides of water tank are located to two arc sunshade boards, are fixed with the extension ring on the arc sunshade board, and the extension ring is fixed in on adjust knob, and the cotton net of environmental protection dust absorption is attached on the inner wall of arc sunshade board. The utility model discloses simple structure, convenient dismantlement, excellent in use effect.

Description

Blackboard eraser of environmental protection dust fall, removable cleaning

The technical field is as follows:

the utility model relates to an environmental protection dust fall, can dismantle blackboard eraser of clearance.

Background art:

in the process of education and teaching, blackboard writing on a blackboard becomes a teaching habit of a plurality of teachers, the blackboard eraser is needed to be used for cleaning after chalk writing, but most of the existing common blackboard erasers easily cause dust flying in the process of erasing the blackboard, the environment of a classroom is affected, invisible pollution is caused, certain harm is brought to the health of teachers and students, and certain potential safety hazards can be brought to body health in the continuous and repeated process. The common sponge blackboard eraser in the market at present has poor dust adsorption effect, and dust on the blackboard eraser in the later period is difficult to clean, so that the blackboard eraser which can adsorb dust and is environment-friendly and easy to clean is needed to solve the problem.

The invention content is as follows:

the utility model relates to a solve the problem that above-mentioned prior art exists and provide an environmental protection dust fall, can dismantle the blackboard eraser of clearance.

The utility model discloses the technical scheme who adopts has: the blackboard eraser comprises a water tank, a first screw knob, a second screw knob, porous water absorption fiber sponge, a pure cotton eraser, an adjusting knob, an arc-shaped shielding plate, an extension ring and an environment-friendly dust absorption cotton net, wherein a blackboard eraser handle is arranged on the side wall of the water tank; all peg graft a pure cotton on the left end face of water tank and the right-hand member face and wipe, and the face of wiping that pure cotton was wiped is located the below of porous absorbent fibre sponge bottom surface, the front and back surface that pure cotton was wiped all sets up the recess of a bar form, and adjust knob wears to locate in the recess, and the both sides of water tank are located to two arc sunshade boards, and pure cotton wipes the inboard of arranging the arc sunshade in, is fixed with the extension ring on the arc sunshade board, the extension ring is fixed in on adjust knob, and the environmental protection dust absorption cotton-wadded net is attached on the inner wall of arc sunshade board.

Further, the pure cotton wiper comprises a seat body and a cotton wiper body, wherein the cotton wiper body is fixed in the seat body.

Further, an included angle between the wiping surface of the cotton wiping body and the horizontal plane is 45 degrees.

Furthermore, the left end face and the right end face of the water tank are both provided with a first clamping groove, the base body of the pure cotton wiper is provided with an inserting part, and the pure cotton wiper is inserted into the first clamping groove through the inserting part.

Further, be equipped with the second draw-in groove on the bottom surface of water tank, porous absorbent fiber sponge includes cavernosum and sponge mount pad, on the cavernosum was fixed in the sponge mount pad, the sponge mount pad was pegged graft in the second draw-in groove.

Further, the adjusting knob is of a bolt structure.

The utility model discloses following beneficial effect has:

1) the utility model provides a blackboard eraser, at first both sides adopt pure cotton to wipe can be effectively with the dust on the blackboard melt into fibrous gap in to there is the angle of inclination, makes partly inwards drawing close of unnecessary dust.

2) The middle part adopts porous absorbent fiber sponge, the water tank filled with water is used for filling the sponge with water, and the dust gathered inwards meets the porous absorbent fiber sponge filled with water and can be directly adsorbed on the sponge, so that the dust can be effectively reduced.

3) The screw knob on the right side of the water tank is convenient for providing water for the water tank, and the screw knob on the left side is used for providing water for the porous absorbent fiber sponge.

4) The rest part of dust is diffused outwards and blocked by the shielding plate, and can be adsorbed by the environment-friendly dust collection cotton net attached to the shielding plate, so that dust can be effectively reduced.

5) The sunshade can rotate and overturn through the knob, and can be adjusted up and down, so that the disassembly is convenient.

6) The sponge and the pure cotton wiper with the porous water-absorbing fibers can be conveniently detached to be cleaned through the clamping grooves on the two sides and below the water tank.

Description of the drawings:

fig. 1 is a diagram of the present invention in practical use.

Fig. 2 is a front view of the detachment process of the present invention.

Fig. 3 is a top view of the detachment process of the present invention.

Fig. 4 is a view of the utility model after the disassembly.

Fig. 5 is a view showing an internal structure of the present invention.

Fig. 6 is a diagram of water storage and downward water injection of the present invention.

The specific implementation mode is as follows:

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

As shown in fig. 1 to 6, the utility model relates to an environmental protection dust fall, can dismantle blackboard eraser of clearance, wipe 11, adjust knob 14, arc sunshade 15, extension ring 16 and environmental protection dust absorption cotton net 17 including water tank 1, first screw knob 3, second screw knob 4, porous absorbent fibre sponge 8, pure cotton.

Be equipped with blackboard eraser handle 2 on the lateral wall of water tank 1, be equipped with two round holes 5 at the up end of water tank 1, the terminal surface is equipped with one hole 10 that leaks under 1 water tank, and the hole 10 that just leaks corresponds and the coaxial setting of a round hole 5, and threaded connection first screw knob 3 and second screw knob 4 respectively on two round holes 5, and the bottom of first screw knob 3 is contradicted on the hole 10 that leaks to the hole 10 that will leak seals. In order to further ensure the sealing effect, rubber sealing gaskets are arranged on the first screw knob 3 and the second screw knob 4.

The bottom surface of the water tank 1 is spliced with the porous water-absorbing fiber sponge 8, the left end surface and the right end surface of the water tank 1 are spliced with the pure cotton wiper 11, and the wiping surface of the pure cotton wiper 11 is positioned below the bottom surface of the porous water-absorbing fiber sponge 8 (the porous water-absorbing fiber sponge 8 does not participate in the actual wiping process).

The pure cotton eraser 11 of the utility model comprises a seat body and a cotton eraser body, wherein the cotton eraser body is fixed in the seat body (the seat body is made of metal or plastic, and the material of the cotton eraser body is the same as that of the cotton eraser on the blackboard eraser in the prior art). All set up the recess 13 of a bar form at the surface around the pedestal of pure cotton wiper 11, adjust knob 14 wears to locate in recess 13, and adjust knob 14 is the bolt structure, can slide and rotate in recess 13, when the adjust knob 14 position of needs fixing, only need with adjust knob 14 on the nut screw can.

Two arc sunshade boards 15 are arranged on two sides of the water tank 1, the pure cotton wiper 11 is arranged on the inner side of the arc sunshade board 15, an extension ring 16 is fixed on the arc sunshade board 15, the extension ring 16 is fixed on the adjusting knob 14, and the environment-friendly dust absorption cotton net 17 is attached on the inner wall of the arc sunshade board 15.

The included angle between the wiping surface of the cotton wiper body in the pure cotton wiper 11 and the horizontal plane is 45 degrees.

In order to install the pure cotton wiper 11 on the water tank 1, first clamping grooves (numbered 6 and 7 in the figure) are respectively arranged on the left end surface and the right end surface of the water tank 1, an inserting part 12 is arranged on a seat body of the pure cotton wiper 11, and the pure cotton wiper 11 is inserted into the first clamping grooves through the inserting part 12.

Be equipped with second draw-in groove 9 on the bottom surface of water tank 1, porous absorbent fibre sponge 8 includes cavernosum and sponge mount pad (the sponge mount pad adopts metal or plastics to make), and on the cavernosum was fixed in the sponge mount pad, the sponge mount pad was pegged graft in second draw-in groove 9.

The utility model discloses the blackboard eraser both sides adopt pure cotton to wipe 11 can be effectively with the dust on the blackboard melt into in the fibrous gap, and there is the angle of inclination, make unnecessary dust partly inwards draw close, the centre adopts porous fibre sponge 8 that absorbs water, and fill up water for it with the water tank that fills up water, the dust that inwards gathers together meets porous fibre sponge 8 that absorbs water that fills up water, can directly be adsorbed remaining partly dust outward diffusion on it, and receive blockking of sunshade 15, can be adsorbed by the environmental protection dust absorption cotton net 17 attached on the sunshade, play the effect of dust fall.

The shutter may be rotated by knob 14 and adjusted up and down to facilitate disassembly. The porous absorbent fiber sponge 8 and the pure cotton wiper 11 can be effectively disassembled to be cleaned through the bayonets at the two sides and below the water tank.

When water is added into the water tank 1, the water inlet control knob screw 4 is rotated upwards, the water inlet is opened, and water can be conveniently added by a user.

When needs carry out the water injection to porous absorbent fibre sponge 8, will control the first screw knob 3 of delivery port and upwards rotate, leak the hole 10 and be opened this moment, the moist porous absorbent fibre sponge 8 that the user can be convenient.

When the sponge wiper on the left side and the right side needs to be detached for cleaning, the shielding plate 15 is firstly turned downwards, one hand is used for fixing the water tank 1, the other hand is used for forcibly pushing the carrier bayonet 12 out of the first clamping groove 6 on the left side of the water tank 1, and the operation on the left side and the operation on the right side are the same.

When the porous water-absorbing fiber sponge 8 needs to be detached for cleaning, the water tank 1 is fixed by one hand, and the porous water-absorbing fiber sponge 8 is pushed out of the second clamping groove 9 by the other hand.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications can be made without departing from the principle of the present invention, and these modifications should also be regarded as the protection scope of the present invention.

Claims (6)

1. The utility model provides an environmental protection dust fall, can dismantle blackboard eraser of clearance which characterized in that: comprises a water tank (1), a first screw knob (3), a second screw knob (4), a porous absorbent fiber sponge (8), a pure cotton wiper (11), an adjusting knob (14), an arc-shaped shielding plate (15), an extension ring (16) and an environment-friendly dust absorption cotton net (17), wherein the side wall of the water tank (1) is provided with a blackboard eraser handle (2), two round holes (5) are arranged on the upper end surface of the water tank (1), a water leakage hole (10) is arranged on the lower end surface of the water tank (1), the water leakage hole (10) is coaxially arranged corresponding to one round hole (5), a first screw knob (3) and a second screw knob (4) are respectively connected on the two round holes (5) in a threaded manner, and the bottom end of the first screw knob (3) is pressed against the water leakage hole (10), the water leakage hole (10) is sealed, and the bottom surface of the water tank (1) is spliced with a porous water-absorbing fiber sponge (8); all peg graft a pure cotton on the left end face of water tank (1) and the right-hand member face and wipe (11), and the face of wiping of pure cotton wiping (11) is located the below of porous absorbent fibre sponge (8) bottom surface, the pure cotton is wiped the front and back surface of (11) and is all set up recess (13) of a bar form, and adjust knob (14) are worn to locate in recess (13), and the both sides of water tank (1) are located in two arc sunshade (15), and the pure cotton is wiped (11) and is arranged the inboard of arc sunshade (15), is fixed with extension ring (16) on arc sunshade (15), extension ring (16) are fixed in on adjust knob (14), and environmental protection dust absorption cotton net (17) are attached on the inner wall of arc sunshade (15).

2. The environment-friendly dust-settling removable-cleaning blackboard eraser as claimed in claim 1, characterized in that: the pure cotton wiper (11) comprises a seat body and a cotton wiper body, wherein the cotton wiper body is fixed in the seat body.

3. The environment-friendly dust-settling removable-cleaning blackboard eraser as claimed in claim 2, characterized in that: the included angle between the wiping surface of the cotton wiping body and the horizontal plane is 45 degrees.

4. The environment-friendly dust-settling removable-cleaning blackboard eraser as claimed in claim 2, characterized in that: the water tank is characterized in that first clamping grooves are formed in the left end face and the right end face of the water tank (1), inserting parts (12) are formed in a seat body of the pure cotton wiper (11), and the pure cotton wiper (11) is inserted into the first clamping grooves through the inserting parts (12).

5. The environment-friendly dust-settling removable-cleaning blackboard eraser as claimed in claim 1, characterized in that: the bottom surface of the water tank (1) is provided with a second clamping groove (9), the porous water absorption fiber sponge (8) comprises a sponge body and a sponge mounting seat, the sponge body is fixed on the sponge mounting seat, and the sponge mounting seat is inserted into the second clamping groove (9).

6. The environment-friendly dust-settling removable-cleaning blackboard eraser as claimed in claim 1, characterized in that: the adjusting knob (14) is of a bolt structure.

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