CN211641637U

CN211641637U - Anti-pollution blackboard eraser

Info

Publication number: CN211641637U
Application number: CN201821560258.7U
Authority: CN
Inventors: 徐雯婕
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-09-25
Filing date: 2018-09-25
Publication date: 2020-10-09
Anticipated expiration: 2028-09-25

Abstract

The utility model belongs to the technical field of teaching aid, especially, anti-pollution blackboard eraser, including the install bin, the first division board of inner wall fixedly connected with of install bin, the upper surface of first division board is provided with the water storage chamber with the inner wall of install bin, and the inside in water storage chamber is provided with clean water, and the interior roof fixedly connected with in water storage chamber adds the device, adds the device including adding the pipe, adds the surface of pipe and the interior roof fixed connection in water storage chamber. This anti-pollution blackboard eraser, when using this blackboard eraser, the inside clean water in water storage chamber flows through outlet pipe and apopore and is absorbed by first cotton pad, and the in-process that the first cotton pad that absorbs clean water was cleaned the chalk word on the blackboard can prevent that the dust from flying upward, and the cotton pad of second carries out the drying of second to the region that first cotton pad was cleaned and cleans simultaneously and cleans, guarantees the drying of blackboard, thereby solved ordinary blackboard eraser and cleaned the problem that the in-process produced a large amount of dusts and influence teachers and students' health and polluted environment.

Description

Anti-pollution blackboard eraser

Technical Field

The utility model relates to a teaching aid technical field especially relates to an anti-pollution blackboard eraser.

Background

Generally, teachers write on blackboards by using chalks to carry out teaching and use a blackboard eraser to erase the blackboards, and because the amount of chalk dust generated by the chalks is large, the chalk dust often drops while erasing the blackboards, so that air pollution is caused, the health of teachers and students is directly harmed, and occupational diseases of the teachers can be caused in serious cases; moreover, the blackboard eraser is not clean due to too much chalk dust on the blackboard eraser, writing and reading are affected, and the chalk dust on the blackboard eraser can be continuously used only after being frequently flapped; when the blackboard eraser is flapped, chalk dust can scatter around, air pollution is caused, and the health of people is affected.

At present, in the teaching of various schools, although the use of electrified education and erasable ink pens is more and more popular. However, the blackboard is still a basic teaching tool used in a large amount, and many teachers write on the blackboard with chalk, so that a blackboard eraser with a dust-proof function is required.

SUMMERY OF THE UTILITY MODEL

Based on the technical problem that the existing blackboard eraser often can erase chalk dust while dropping, cause air pollution and directly endanger the health of teachers and students, the utility model provides an anti-pollution blackboard eraser.

The utility model provides an anti-pollution blackboard eraser, the installation box comprises an installation box body, the first division board of inner wall fixedly connected with of installation box, the upper surface of first division board is provided with the water storage chamber with the inner wall of installation box, the inside in water storage chamber is provided with clean water, the interior roof fixedly connected with in water storage chamber adds the device, add the device including adding the pipe, add the surface of pipe and the interior roof fixed connection in water storage chamber.

The lower surface of the first partition board is fixedly connected with a second partition board, the two end surfaces of the second partition board are fixedly connected with the inner walls of the two ends of the installation box, the two side surfaces of the second partition board, the lower surface of the first partition board and the inner wall of the installation box are provided with a first installation groove and a second installation groove, the inner wall of the water storage cavity is fixedly communicated with a water outlet pipe, one end of each water outlet pipe penetrates through the first partition board and extends to the inside of the first installation groove, water outlet holes are uniformly formed in the surface of the water outlet pipe, the water outlet holes are uniformly distributed on the surface of the water outlet pipe, the inner wall of each water outlet hole is fixedly communicated with the inner wall of the water outlet pipe, the inner wall of the first installation groove is fixedly provided with an installation hole, the inner walls of the two installation holes are fixedly connected with bearings, the surface of pivot and the inner circle fixed connection of bearing, the first cotton pad of inner wall fixedly connected with of first mounting groove, the fixed surface of first cotton pad has seted up the slot, and is three the inner wall of slot and the surperficial looks adaptation of outlet pipe, the cotton pad of inner wall fixedly connected with second of second mounting groove.

Preferably, one end of the adding pipe extends to the outer surface of the installation box, and the inner wall of the adding pipe is fixedly connected with a fixing ring and a sealing ring respectively.

Preferably, the surface of the fixing ring is fixedly connected with a spring, and one end of the spring is fixedly connected with a sealing ball.

Preferably, the surface of the sealing ring is fixedly connected with a sealing ring, the surface of the sealing ball is movably inserted into the inner wall of the sealing ring, and one end of the adding pipe is in threaded connection with a sealing cover.

Preferably, the one end of pivot runs through the outlet pipe and extends to the surface of install bin, the one end fixedly connected with carousel of pivot, the fixed surface of carousel has seted up the annular knurl.

Preferably, the surface of the rotating shaft, which is positioned inside the water outlet pipe, is fixedly provided with adjusting holes, and the inner walls of the three adjusting holes penetrate through the rotating shaft.

Preferably, the holding ring has been cup jointed in the surface activity of pivot, the surface of holding ring and the inner wall fixed connection of first mounting groove, the spacing groove has been seted up to the inner wall of holding ring, the inner wall of spacing groove is the arc shape, the fixed surface of pivot is connected with the stopper, the surface of stopper and the inner wall sliding connection of spacing groove.

The utility model provides a beneficial effect does:

1. the first cotton pad of inner wall fixedly connected with through setting up first mounting groove, the slot has been seted up to the fixed surface of first cotton pad, the inner wall of three slot and the surface looks adaptation of outlet pipe, when using this blackboard eraser, the inside cleaning water in water storage chamber is flowed through outlet pipe and apopore and is absorbed by first cotton pad, the in-process that the first cotton pad of absorption cleaning water cleaned the chalk word on the blackboard can prevent that the dust from flying upward, the cotton pad of second carries out the drying of second throughout to the region that first cotton pad was cleaned simultaneously and cleans, guarantee the drying of blackboard, thereby solved ordinary blackboard eraser and cleaned the problem that the in-process produced a large amount of dusts and influence teachers and students' health and polluted environment.

2. One end through setting up the pivot runs through the outlet pipe and extends to the surface of install bin, the one end fixedly connected with carousel of pivot, when using this blackboard eraser, the volume that first cotton pad absorbed the cleaning water in the water storage chamber can be through rotating the carousel, the carousel rotates the pivot, the pivot drives the volume that cleaning water flowed into first cotton pad in the regulation hole rotation control water storage chamber, can drive the pivot through rotating the carousel and rotate the intercommunication of closing regulation hole and outlet pipe under first cotton pad contains the sufficient condition of cleaning water, thereby the effect of the first cotton pad humidity of regulation control of being convenient for has been reached.

3. One end through setting up the interpolation pipe extends to the surface of install bin, the inner wall difference fixedly connected with of interpolation pipe is solid fixed ring and sealing ring, when using this blackboard eraser, if need add the on-time to the clean water of water storage intracavity, only need open sealed lid through the screw thread, press the ball sealer, through adding the pipe to water storage intracavity filling clean water, loosen the ball sealer after the filling is accomplished, the ball sealer is automatic under the effort of spring and is pegged graft sealedly with sealing washer and sealing ring, then cover sealed lid can, thereby reached the effect of adding clean water in the convenient to use in to the water storage intracavity.

Drawings

FIG. 1 is a schematic view of a structure of a processing box of an anti-pollution blackboard eraser according to the present invention;

fig. 2 is a front view of the structure of the mounting box of the anti-pollution blackboard eraser of the present invention;

fig. 3 is a side view of the anti-pollution blackboard eraser of the present invention.

In the figure: 1. installing a box; 2. a first partition plate; 3. a water storage cavity; 4. an addition pipe; 5. a second partition plate; 6. a first mounting groove; 7. a second mounting groove; 8. a water outlet pipe; 9. a water outlet hole; 10. a bearing; 11. a rotating shaft; 12. a first cotton pad; 13. a slot; 14. a second cotton pad; 15. A fixing ring; 16. a seal ring; 17. a spring; 18. a sealing ball; 19. a sealing cover; 20. a turntable; 21. an adjustment hole; 22. a positioning ring; 23. a limiting groove; 24. and a limiting block.

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.

Referring to fig. 1-3, an anti-pollution blackboard eraser comprises an installation box 1, a first partition plate 2 is fixedly connected to the inner wall of the installation box 1, a water storage cavity 3 is formed in the upper surface of the first partition plate 2 and the inner wall of the installation box 1, clean water is arranged inside the water storage cavity 3, an adding device is fixedly connected to the inner top wall of the water storage cavity 3 and comprises an adding pipe 4, the surface of the adding pipe 4 is fixedly connected to the inner top wall of the water storage cavity 3, one end of the adding pipe 4 extends to the outer surface of the installation box 1, a fixing ring 15 and a sealing ring 16 are respectively and fixedly connected to the inner wall of the adding pipe 4, a spring 17 is fixedly connected to the surface of the fixing ring 15, a sealing ball 18 is fixedly connected to one end of the spring 17, a sealing ring 16 is fixedly connected to the surface of the sealing ring, the surface of the sealing ball, one end through setting up adding pipe 4 extends to the surface of install bin 1, the inner wall of adding pipe 4 is fixedly connected with respectively and fixes ring 15 and sealing ring 16, when using this blackboard eraser, if need add the time to the clean water in the water storage chamber 3, only need open sealed lid 19 through the screw thread, press ball 18, through adding pipe 4 to annotate clean water in the water storage chamber 3, loose ball 18 after the filling is accomplished, ball 18 is automatic to be pegged graft with sealing ring and sealing ring 16 sealed under spring 17's effort and is pegged graft, then cover sealed lid 19 can, thereby reached in the convenient to use in to the water storage chamber 3 in the effect of adding clean water.

The lower surface of the first partition board 2 is fixedly connected with a second partition board 5, the two end surfaces of the second partition board 5 are fixedly connected with the inner walls of the two ends of the installation box 1, the two side surfaces of the second partition board 5, the lower surface of the first partition board 2 and the inner wall of the installation box 1 are provided with a first installation groove 6 and a second installation groove 7, the inner wall of the water storage cavity 3 is fixedly communicated with a water outlet pipe 8, one end of each of the three water outlet pipes 8 penetrates through the first partition board 2 and extends into the first installation groove 6, water outlet holes 9 are uniformly formed in the surface of the water outlet pipe 8, a plurality of water outlet holes 9 are uniformly distributed on the surface of the water outlet pipe 8, the inner wall of each water outlet hole 9 is fixedly communicated with the inner wall of the water outlet pipe 8, installation holes are fixedly formed in the inner wall of the first installation groove 6, the inner walls of the, the surface of a rotating shaft 11 is fixedly connected with an inner ring of a bearing 10, the inner wall of a first mounting groove 6 is fixedly connected with a first cotton pad 12, the surface of the first cotton pad 12 is fixedly provided with slots 13, the inner walls of the three slots 13 are matched with the surface of a water outlet pipe 8, the inner wall of a second mounting groove 7 is fixedly connected with a second cotton pad 14, one end of the rotating shaft 11 penetrates through the water outlet pipe 8 and extends to the outer surface of a mounting box 1, one end of the rotating shaft 11 is fixedly connected with a turntable 20, the surface of the turntable 20 is fixedly provided with knurls, the surface of the rotating shaft 11 positioned inside the water outlet pipe 8 is fixedly provided with adjusting holes 21, the inner walls of the three adjusting holes 21 penetrate through the rotating shaft 11, the surface of the rotating shaft 11 is movably sleeved with a positioning ring 22, the surface of the positioning ring 22 is fixedly connected with the inner wall of the first, the surface of the rotating shaft 11 is fixedly connected with a limiting block 24, the surface of the limiting block 24 is connected with the inner wall of a limiting groove 23 in a sliding manner, one end of the rotating shaft 11 penetrates through the water outlet pipe 8 and extends to the outer surface of the installation box 1, one end of the rotating shaft 11 is fixedly connected with a turntable 20, when the blackboard eraser is used, the cleaning water in the water storage cavity 3 can be absorbed by the first cotton pad 12 through rotating the turntable 20, the turntable 20 rotates the rotating shaft 11, the rotating shaft 11 drives the adjusting hole 21 to rotate to control the amount of the cleaning water in the water storage cavity 3 flowing into the first cotton pad 12, when the first cotton pad 12 contains enough cleaning water, the rotating shaft 11 can be driven to rotate through rotating the turntable 20 to close the communication between the adjusting hole 21 and the water outlet pipe 8, so that the effect of conveniently adjusting and controlling the humidity of the first cotton pad 12 is achieved, the first cotton pad 12 is fixedly connected with the inner wall of the first, the inner wall of three slot 13 and the surface looks adaptation of outlet pipe 8, when using this blackboard eraser, the inside clean water in water storage chamber 3 flows out through outlet pipe 8 and apopore 9 and is absorbed by first cotton pad 12, the in-process that the first cotton pad 12 that absorbs clean water cleaned the chalk word on the blackboard can prevent that the dust from flying upward, the second cotton pad 14 carries out the drying of second time to the region that first cotton pad 12 cleaned simultaneously and cleans, guarantee the drying of blackboard, thereby solved ordinary blackboard eraser and cleaned the problem that the in-process produced a large amount of dusts and influence teachers and students' health and polluted environment.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an anti-pollution blackboard eraser, includes install bin (1), its characterized in that: the inner wall of the installation box (1) is fixedly connected with a first partition plate (2), a water storage cavity (3) is formed in the upper surface of the first partition plate (2) and the inner wall of the installation box (1), clean water is arranged inside the water storage cavity (3), an adding device is fixedly connected to the inner top wall of the water storage cavity (3), the adding device comprises an adding pipe (4), and the surface of the adding pipe (4) is fixedly connected with the inner top wall of the water storage cavity (3);

the lower fixed surface of the first partition board (2) is connected with a second partition board (5), the two end surfaces of the second partition board (5) are fixedly connected with the two end inner walls of the installation box (1), the two side surfaces of the second partition board (5) and the lower surface of the first partition board (2) and the inner wall of the installation box (1) are provided with a first installation groove (6) and a second installation groove (7), the inner wall of the water storage cavity (3) is fixedly communicated with a water outlet pipe (8), one end of each of the three water outlet pipes (8) penetrates through the first partition board (2) and extends to the inside of the first installation groove (6), the surface of each water outlet pipe (8) is uniformly provided with a plurality of water outlet holes (9), the surfaces of the water outlet holes (9) are uniformly distributed on the water outlet pipe (8), the inner walls of the water outlet holes (9) are fixedly communicated with the inner walls of the water outlet pipe (8), and the inner walls of, two the equal fixedly connected with bearing (10) of inner wall of mounting hole, the inner circle fixedly connected with adjusting device of bearing (10), adjusting device includes pivot (11), the surface of pivot (11) and the inner circle fixed connection of bearing (10), the first cotton pad of inner wall fixedly connected with (12) of first mounting groove (6), slot (13), three have been seted up to the fixed surface of first cotton pad (12) the surface looks adaptation of the inner wall of slot (13) and outlet pipe (8), the cotton pad of inner wall fixedly connected with second (14) of second mounting groove (7).

2. The anti-pollution blackboard eraser according to claim 1, characterized in that: one end of the adding pipe (4) extends to the outer surface of the installation box (1), and the inner wall of the adding pipe (4) is fixedly connected with a fixing ring (15) and a sealing ring (16) respectively.

3. The anti-pollution blackboard eraser according to claim 2, characterized in that: the surface fixing of solid fixed ring (15) is connected with spring (17), the one end fixedly connected with ball sealer (18) of spring (17).

4. The anti-pollution blackboard eraser according to claim 3, characterized in that: the surface of the sealing ring (16) is fixedly connected with a sealing ring, the surface of the sealing ball (18) is movably inserted into the inner wall of the sealing ring, and one end of the adding pipe (4) is in threaded connection with a sealing cover (19).

5. The anti-pollution blackboard eraser according to claim 1, characterized in that: the one end of pivot (11) runs through outlet pipe (8) and extends to the surface of install bin (1), the one end fixedly connected with carousel (20) of pivot (11), the fixed surface of carousel (20) has seted up the annular knurl.

6. The anti-pollution blackboard eraser according to claim 5, wherein: the surface of the rotating shaft (11) positioned inside the water outlet pipe (8) is fixedly provided with adjusting holes (21), and the inner walls of the three adjusting holes (21) penetrate through the rotating shaft (11).

7. The anti-pollution blackboard eraser according to claim 6, wherein: holding ring (22) has been cup jointed in the surface activity of pivot (11), the inner wall fixed connection of the surface of holding ring (22) and first mounting groove (6), spacing groove (23) have been seted up to the inner wall of holding ring (22), the inner wall of spacing groove (23) is the arc shape, the fixed surface of pivot (11) is connected with stopper (24), the inner wall sliding connection of the surface of stopper (24) and spacing groove (23).