CN214295283U

CN214295283U - Electrostatic dust-absorbing blackboard eraser

Info

Publication number: CN214295283U
Application number: CN202120107761.2U
Authority: CN
Inventors: 李圣贤; 杨柳; 侯立功
Original assignee: Wuxi Institute of Technology
Current assignee: Wuxi Institute of Technology
Priority date: 2021-01-15
Filing date: 2021-01-15
Publication date: 2021-09-28
Anticipated expiration: 2031-01-15

Abstract

The utility model provides an electrostatic dust absorption blackboard eraser, which relates to the technical field of blackboard erasers, and comprises a box body, wherein the top surface of the box body is penetrated with a connecting hole, a water storage box is arranged in the connecting hole, the bottom of the water storage box is provided with a baffle, the baffle is abutted against the bottom of the water storage box, the top surface of the baffle is provided with a sealing ring, the sealing ring is fixed with the top surface of the baffle, the baffle is abutted against the surface of the water storage box, the top surface of the sealing ring is uniformly fixed with springs in an array manner, one end of each spring is welded with the top surface in the box body, the surface of the baffle is provided with a reinforcing rod, the reinforcing rod is welded with the surface of the baffle, an elastic band is arranged between the two reinforcing rods and is bonded with the reinforcing rods, the spring and baffle flannelette are adopted, the blackboard erage can be wiped by wetting the blackboard erager anytime and anywhere when liquid is needed to clean the blackboard, the operation is simple and convenient, the wiping effect of the blackboard erasers on the blackboard is improved, when the liquid is not needed, the dust on the blackboard can be absorbed by the electrostatic generated by the blackboard erasers and the friction between the blackboard erasers and the blackboard, the wiping is cleaner.

Description

Electrostatic dust-absorbing blackboard eraser

Technical Field

The utility model relates to a blackboard eraser technical field especially relates to electrostatic precipitator blackboard eraser.

Background

According to the patent No. CN201821856649.3, the blackboard eraser comprises a blackboard eraser shell, and a wiping disc, an air suction pump, a motor, an adsorption device, a battery and a switch button which are arranged in the shell, wherein the wiping disc is exposed out of the bottom surface of the shell, the air suction pump is arranged behind the wiping disc, the motor can drive the wiping disc to rotate, the battery, the switch button, the motor and the air suction pump are connected in series to form a loop, the switch button is exposed out of the side surface of the shell, the adsorption device comprises a permanent magnet, a magnetic conduction block, an adjusting rod and an adjusting knob, one end of the adjusting rod penetrates through one side of the shell and is fixedly connected with the adjusting knob, the other end of the adjusting rod is in threaded connection with the permanent magnet, the adjusting knob is in rotatable connection with the shell, and the magnetic conduction block is fixed on the shell and is opposite to the permanent magnet, so that the blackboard eraser can be adsorbed on the magnetic conduction blackboard; the utility model discloses blackboard eraser can automatically be cleaned and inhale the dust during use, cleans totally, and blackboard eraser can also adsorb on the blackboard and the adsorption affinity can be adjusted, conveniently takes.

The blackboard eraser has the advantages that the blackboard eraser adsorbs dust of a blackboard through equipment in the blackboard eraser, the operation method is poor in erasing effect, marks are easily left on the blackboard after erasing, and when the blackboard is required to be erased through liquid, a worker needs to prepare the blackboard in one step, and the operation is troublesome.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an electrostatic dust absorption blackboard eraser.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the electrostatic dust collection blackboard eraser comprises a box body, wherein a connecting hole is formed in the top surface of the box body and penetrates through the top surface of the box body, a water storage box is arranged in the connecting hole and embedded in the connecting hole, the water storage box is in threaded connection with the connecting hole, a baffle is arranged at the bottom of the water storage box and abuts against the bottom of the water storage box, a sealing ring is arranged on the top surface of the baffle and is fixed to the top surface of the baffle, the baffle abuts against the surface of the water storage box, springs are fixed to the top surface of the sealing ring in an array mode, one end of each spring is welded to the inner top surface of the box body, reinforcing rods are arranged on the surface of the baffle and are welded to the surface of the baffle, and elastic bands are arranged between the reinforcing rods and are bonded to the reinforcing rods.

Preferably, the box body top surface all is equipped with the spacing groove, and the spacing groove runs through in the box body top surface, and the stiffener gomphosis in the spacing groove, the water storage box top surface is fixed with the skull, and skull and water storage box top surface counterbalance.

Preferably, the skull top surface is equipped with the water injection hole, and the water injection hole runs through in the skull top surface, be equipped with the stopper in the water injection hole, and the stopper gomphosis is downthehole in the water injection.

Preferably, the bottom of the box body is provided with flannelette, the flannelette abuts against the bottom surface of the box body, a sponge is arranged in the box body, and the sponge is bonded with the top surface of the flannelette.

Preferably, the box body both sides are fixed with the connecting plate, and the connecting plate is located same horizontal plane with the box body bottom surface, connecting plate top surface array is equipped with the fixed orifices, and the fixed orifices runs through in the connecting plate top surface.

Preferably, a buckle is arranged in the fixing hole, one end of the buckle is fixed with one surface of the flannelette, and the surface of the buckle is embedded in the fixing hole.

Preferably, the buckle is formed by hot melting of a natural rubber material, the thickness of the buckle is ten millimeters, and one end of the buckle is abutted to the connecting plate.

Advantageous effects

In the utility model, the spring and the baffle flannelette are adopted, when a user needs to use liquid to clean the blackboard eraser, the connecting plate is extruded downwards, two ends of the spring are respectively fixed with the sealing ring and the box body, the sealing ring is fixed with the top surface of the baffle, the reinforcing rod moves downwards to move the baffle, the spring extends downwards until the sealing ring is separated from the surface of the water storage box, the liquid in the water storage box falls into the top surface of the baffle and overflows the sealing ring, the liquid falls into the cotton-containing cotton on the top surface of the flannelette, the flannelette is gradually moistened, the blackboard is cleaned through the flannelette, when the liquid is not needed, the flannelette directly contacts with the blackboard to rub to generate static electricity to adsorb dust, the blackboard is cleaned, the blackboard eraser can be cleaned anytime and anywhere when the liquid is needed to clean the blackboard, the operation is simple and convenient, the cleaning effect of the blackboard eraser on the blackboard is improved, when no liquid is needed, the dust on the blackboard can be adsorbed by the static electricity generated by friction between the blackboard eraser and the blackboard, so that the blackboard can be wiped more cleanly.

The utility model discloses in, adopt the buckle connecting plate, through fixing connecting plate and box body both sides, it has the fixed orifices to run through the connecting plate top surface, it is fixed with the cotton flannel bottom surface through the buckle, with buckle surface gomphosis in the fixed orifices, it will be bigger than the fixed orifices through buckle one end, the buckle is the natural rubber shaping, has elasticity, can run through the fixed orifices with buckle one end extrusion and offset with the connecting plate one side, realized being convenient for to the installation and the dismantlement of cleaning the product, subsequent clearance and the change of convenient to use person.

Drawings

Fig. 1 is an isometric view of the present invention;

fig. 2 is a cross-sectional view of the present invention;

fig. 3 is a top view of the present invention;

fig. 4 is a partial sectional view of the present invention.

Illustration of the drawings:

1. a box body; 2. connecting holes; 3. a water storage box; 4. a baffle plate; 5. sealing the circular ring; 6. a spring; 7. a reinforcing bar; 8. elastic bands; 9. a limiting groove; 10. a head cover; 11. a water injection hole; 12. a plug; 13. flannelette; 14. a sponge; 15. a connecting plate; 16. a fixing hole; 17. and (5) buckling.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand, the present invention will be further explained below with reference to the following embodiments and the accompanying drawings, but the following embodiments are only the preferred embodiments of the present invention, and not all embodiments are included. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.

Specific embodiments of the present invention will be described below with reference to the accompanying drawings.

The specific embodiment is as follows:

referring to fig. 1-4, the electrostatic dust collection blackboard eraser comprises a box body 1, wherein the top surface of the box body 1 is provided with a connecting hole 2, the connecting hole 2 penetrates through the top surface of the box body 1, a water storage box 3 is arranged in the connecting hole 2, the water storage box 3 is embedded in the connecting hole 2, the water storage box 3 is in threaded connection with the connecting hole 2, the bottom of the water storage box 3 is provided with a baffle 4, the baffle 4 abuts against the bottom of the water storage box 3, the top surface of the baffle 4 is provided with a sealing ring 5, the sealing ring 5 is fixed with the top surface of the baffle 4, the baffle 4 abuts against the surface of the water storage box 3, springs 6 are fixed on the top surface of the sealing ring 5 in an array manner, one ends of the springs 6 are welded with the inner top surface of the box body 1, the surfaces of the baffle 4 are provided with reinforcing rods 7, the reinforcing rods 7 are welded with the surfaces of the baffle 4, elastic bands 8 are adhered with the reinforcing rods 7, the top surfaces of the elastic bands 8 are all provided with limiting grooves 9, the top surface of the box body 1 penetrates through the top surface of the box body 1, the reinforcing rod 7 is embedded in the limiting groove 9, the top surface of the water storage box 3 is fixed with the head cover 10, the head cover 10 is abutted against the top surface of the water storage box 3, the top surface of the head cover 10 is provided with the water injection hole 11, the water injection hole 11 penetrates through the top surface of the head cover 10, the water injection hole 11 is internally provided with the plug 12, the plug 12 is embedded in the water injection hole 11, the bottom of the box body 1 is provided with the flannelette 13, the flannelette 13 is abutted against the bottom surface of the box body 1, the box body 1 is internally provided with the sponge 14, the sponge 14 is adhered to the top surface of the flannelette 13, when a user needs to wet the blackboard eraser by liquid, the reinforcing rod 7 is sealed by the head cover 10 and is moved downwards, the reinforcing rod 7 is fixed with the surface of the baffle 4, the sealing ring 5 on the top surface of the baffle 4 is fixed with the top surface of the sealing ring 5 by the two ends of the spring 6 respectively, when the liquid in the water storage box 3 is full, the sealing ring 5 and the baffle 4 below the spring 6 are respectively abutted against the surface and the bottom surface of the water storage box 3, when the reinforcing rod 7 drives the baffle 4 to move, liquid in the water storage box 3 falls into the top surface of the baffle 4 until the liquid overflows from the top surface of the sealing ring 5 into the sponge 14, the sponge 14 prevents a large amount of accumulated water caused by excessive liquid, the liquid of the sponge 14 gradually moistens the flannelette 13, a user puts a palm into the elastic band 8 between the two reinforcing rods 7, the elastic band 8 is forced upwards to drive the reinforcing rods 7 to prevent the liquid from overflowing during wiping, when the blackboard is not required to be wiped by the liquid, the flannelette 13 and the blackboard generate static electricity to carry out electrostatic adsorption on dust of the blackboard, the blackboard eraser can be wiped anytime and anywhere when the blackboard is cleaned by the liquid, the operation is simple and convenient, and the wiping effect of the blackboard eraser on the blackboard is improved, when no liquid is needed, the dust on the blackboard can be adsorbed by the static electricity generated by friction between the blackboard eraser and the blackboard, so that the blackboard can be wiped more cleanly.

1 both sides of box body are fixed with connecting plate 15, connecting plate 15 is located same horizontal plane with 1 bottom surface of box body, 15 top surface arrays of connecting plate are equipped with fixed orifices 16, fixed orifices 16 run through in 15 top surfaces of connecting plate, be equipped with buckle 17 in the fixed orifices 16, buckle 17 one end is fixed with flannelette 13 one side, buckle 17 surface gomphosis in fixed orifices 16, buckle 17 adopts natural rubber material hot melt shaping, buckle 17's thickness is ten millimeters, buckle 17 one end offsets with connecting plate 15, through 1 fixed connecting plate 15 in side of box body, it has fixed orifices 16 to run through 15 top surface arrays of connecting plate. Fixed through cotton flannel 13 and buckle 17, buckle 17 one end adopts the natural rubber material shaping, passes buckle 17 one end extrusion in fixed orifices 16, and is bigger than fixed orifices 16 through buckle 17, passes back with buckle 17 and makes buckle 17 one end offset with connecting plate 15 and fix cotton flannel 13, has realized being convenient for to the installation and the dismantlement of wiping the product, subsequent clearance and the change of convenient to use person.

The utility model discloses a theory of operation: when a user needs to wet the blackboard eraser with liquid, the blackboard eraser is in threaded connection with a connecting hole 2 in the top surface of a box body 1 through a water storage box 3, sealing is carried out through an end cover 10, a reinforcing rod 7 moves downwards, the reinforcing rod 7 is fixed with the surface of a baffle 4, the two ends of a spring 6 are respectively fixed with the sealing ring 5 and the top surface in the box body 1 through the sealing ring 5 on the top surface of the baffle 4, when the liquid in the water storage box 3 is full, the sealing ring 5 and the baffle 4 below the spring 6 are respectively abutted against the surface and the bottom surface of the water storage box 3, when the baffle 4 is driven to move by the reinforcing rod 7, the liquid in the water storage box 3 falls into the top surface of the baffle 4 until the liquid overflows into a sponge 14 from the top surface of the sealing ring 5, the sponge 14 is used for preventing the occurrence of a large amount of accumulated water due to excessive liquid, the liquid in the sponge 14 gradually wets a flannelette 13, and the user puts a palm into an elastic band 8 between the two reinforcing rods 7, elastic cord 8 atress makes progress the atress and drives stiffener 7 upwards to prevent that liquid from spilling over when wiping, accessible cotton flannel 13 rubs with the blackboard when need not liquid and wipes the blackboard and produce static and carry out electrostatic absorption's effect to the dust of blackboard, through the fixed connecting plate 15 in box body 1 side, has run through connecting plate 15 top surface array has fixed orifices 16. Fix with buckle 17 through cotton flannel 13, buckle 17 one end adopts the shaping of natural rubber material, passes in fixed orifices 16 with buckle 17 one end extrusion, and is bigger than fixed orifices 16 through buckle 17, makes buckle 17 one end and connecting plate 15 counterbalance after passing buckle 17 and fix cotton flannel 13.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. Electrostatic dust-absorbing blackboard eraser, including box body (1), its characterized in that: the top surface of the box body (1) is provided with a connecting hole (2), the connecting hole (2) penetrates through the top surface of the box body (1), a water storage box (3) is arranged in the connecting hole (2), the water storage box (3) is embedded in the connecting hole (2), the water storage box (3) is in threaded connection with the connecting hole (2), a baffle (4) is arranged at the bottom of the water storage box (3), the baffle (4) abuts against the bottom of the water storage box (3), a sealing ring (5) is arranged on the top surface of the baffle (4), the sealing ring (5) is fixed on the top surface of the baffle (4), the baffle (4) abuts against the surface of the water storage box (3), springs (6) are fixed on the top surface of the sealing ring (5) in an array mode, one end of each spring (6) is welded with the inner top surface of the box body (1), reinforcing rods (7) are arranged on the surface of the baffle (4), and the reinforcing rods (7) are welded with the surface of the baffle (4), an elastic band (8) is arranged between the two reinforcing rods (7), and the elastic band (8) is bonded with the reinforcing rods (7).

2. The electrostatic suction blackboard eraser according to claim 1, wherein: the water storage box is characterized in that limiting grooves (9) are formed in the top surface of the box body (1), the limiting grooves (9) penetrate through the top surface of the box body (1), the reinforcing rods (7) are embedded in the limiting grooves (9), the top surface of the water storage box (3) is fixed with the head cover (10), and the head cover (10) is abutted to the top surface of the water storage box (3).

3. The electrostatic suction blackboard eraser according to claim 2, characterized in that: the head cover (10) top surface is equipped with water injection hole (11), and water injection hole (11) run through in head cover (10) top surface, be equipped with stopper (12) in water injection hole (11), and stopper (12) gomphosis is in water injection hole (11).

4. The electrostatic suction blackboard eraser according to claim 1, wherein: the box body (1) bottom is equipped with cotton flannel (13), and cotton flannel (13) and box body (1) bottom surface offset, be equipped with sponge (14) in the box body (1), and sponge (14) and cotton flannel (13) top surface bonding.

5. The electrostatic suction blackboard eraser according to claim 1, wherein: connecting plates (15) are fixed on two sides of the box body (1), the connecting plates (15) and the bottom surface of the box body (1) are located on the same horizontal plane, fixing holes (16) are formed in the top surface array of the connecting plates (15), and the fixing holes (16) penetrate through the top surface of the connecting plates (15).

6. The electrostatic suction blackboard eraser according to claim 5, wherein: a buckle (17) is arranged in the fixing hole (16), one end of the buckle (17) is fixed with one surface of the flannelette (13), and the surface of the buckle (17) is embedded in the fixing hole (16).

7. The electrostatic suction blackboard eraser according to claim 6, wherein: buckle (17) adopt natural rubber material hot melt shaping, and the thickness of buckle (17) is ten millimeters, and buckle (17) one end offsets with connecting plate (15).