CN210706661U - Easily-cleaned blackboard device - Google Patents

Easily-cleaned blackboard device Download PDF

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Publication number
CN210706661U
CN210706661U CN201921164504.1U CN201921164504U CN210706661U CN 210706661 U CN210706661 U CN 210706661U CN 201921164504 U CN201921164504 U CN 201921164504U CN 210706661 U CN210706661 U CN 210706661U
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China
Prior art keywords
erasing
blackboard
cavity
movable
water
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CN201921164504.1U
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Chinese (zh)
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李彰怡
张霞
李白
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李彰怡
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Abstract

The utility model relates to an easily clean blackboard device, include the blackboard, erase the part, the lift part, retrieve part and device support. Can keep moist part of erasing for a long time through setting up that can reciprocate, realized erasing the blackboard efficient, through water strainer and the filter paper that sets up the bottom, can realize retrieving the concentration of dust, through setting up recovery parts such as absorption chamber, wet return, can realize retrieving the use to the water in the use.

Description

Easily-cleaned blackboard device
Technical Field
The utility model belongs to the teaching equipment field, concretely relates to easily clean blackboard device.
Background
Although the teaching equipment is abundant at present and electrified teaching equipment is common, the blackboard can express the teaching content of teachers in real time, so that the blackboard becomes indispensable teaching equipment in all levels of teaching work. At present, most of blackboards are still erased by means of an eraser, and although dustless chalks are gradually popularized, the problems that the erasing is not thorough, dust is attached to the eraser and the like are still caused when the eraser is used for erasing.
Many foreign blackboard devices such as wet blackboard eraser and water mist spraying erasing are also developed in the scientific and technical summer camp, but the problem that dust needs to be cleaned is still solved.
SUMMERY OF THE UTILITY MODEL
To the technical problem, an object of the utility model is to provide an easily clean blackboard device.
The method is realized by the following technical means:
an easy-to-clean blackboard device comprises a blackboard, a cleaning component, a lifting component, a recycling component and a device bracket.
The erasing component comprises a movable erasing cavity, a cotton cloth erasing strip, a rubber erasing strip, a fan accommodating cavity, a movable erasing cavity sliding block and a movable erasing cavity top opening.
The lifting component comprises an upper fixed pulley, a lower fixed pulley, a rope and a handle.
The recovery part comprises a water filtering tank, filter paper, an adsorption cavity, a water return pipe, a water pump, a water storage tank and a water supply switch.
The chamber is erased in the removal is provided with a plurality ofly, and all sets up the front of blackboard is erasing the chamber bottom and is connected with in the removal rubber strip of erasing, rubber strip one end is erased chamber bottom rigid coupling other end and blackboard surface contact with the removal, has in the outside parcel of rubber strip cotton strip of erasing, the at least one end of cotton strip of erasing stretches into the intracavity is erased in the removal, every the intracavity is erased in the removal and all is drawn and be equipped with fan holding chamber is provided with in fan holding intracavity the fan is erasing the lateral part rigid coupling in chamber in the removal and is had the chamber slider is erased in the removal.
The utility model discloses a blackboard eraser, including blackboard, lifting unit, fixed pulley, handle, cavity, handle, lifting unit, set up two sets, set up respectively the both sides of blackboard, it sets up the topmost of blackboard lateral part to go up the fixed pulley, the fixed pulley sets up the bottommost at the blackboard lateral part down, the rope twines at last fixed pulley under and between the fixed pulley, remove erase chamber slider one end with the removal is erased the lateral part rigid coupling other end in cavity and is fixed on the rope the epaxial handle that is provided with of fixed pulley down realizes through turning handle that the removal of rope passes through then the removal is erased the chamber slider and is driven the removal is erased the cavity.
The water filtering groove is arranged at the front end of the bottom of the blackboard, the whole water filtering groove is arranged in an arc shape, one side far away from the blackboard is a higher side, the filter paper is laid on the top of the water filtering groove, the water filtering groove is arranged in a structure of densely distributed upper and lower through holes, the bottom of the water filtering groove is communicated with the adsorption cavity, activated carbon particles are filled in the adsorption cavity, the water storage tank is arranged at the top of the blackboard, the water return pipe is arranged at the back of the blackboard, the bottom end of the water return pipe is communicated with the adsorption cavity, the top end of the water return pipe is communicated with the water storage tank, the water pump is arranged on the water return pipe, the water supply switch is arranged at the bottom of the water storage tank and the joint of the bottom of the water storage tank and the top of the movable erasing cavity, the switch for opening and closing is arranged at the top of the water supply switch and the bottom of the water storage tank, and the bottom of the water supply switch can be inserted into the movable erasing cavity through the opening at the top of the movable erasing cavity.
One or more device brackets are arranged, and one end of each device bracket is fixedly connected with the back of the blackboard, and the other end of each device bracket is transversely arranged on the ground.
Preferably, the number of the movable erasing chambers is 2.
Preferably, the width of the rubber wiping strip is larger than the distance between the movable wiping cavity and the blackboard.
Preferably, the fan comprises a fan shaft, blades, a driving motor, a battery and a switch, the switch is arranged at the side part of the movable erasing cavity sliding block, the touch switch is turned on when the movable erasing cavity sliding block slides downwards, and the switch is turned off when the movable erasing cavity sliding block slides upwards to the uppermost part, namely the touch switch is turned on again.
Preferably, an electric motor is mounted on the handle.
Preferably, the device holder is provided with 2.
The electric motor, the driving motor, the battery, the switch, the filter paper and the like used by the utility model are commercially available products.
The technical effects of the utility model reside in that:
1, the chamber is erased through the removal that sets up and can reciprocate, it is equipped with the pure water to fill in the chamber to erase in the removal, it can high elasticity and blackboard surface contact to be provided with rubber strip in the bottom, guarantee to erase the granularity, it is equipped with cotton strip to erase the strip through the outside package of rubber strip, cotton strip is erased the strip package and is established outside the rubber strip, high elasticity with the help of the rubber strip, can with blackboard surface in close contact with, simultaneously because the cotton material has the characteristic of absorbing water, consequently erase the intracavity portion intercommunication with it and removal and can keep cotton strip constantly to erase and keep moist, thereby can erase the chalk word on the blackboard by the efficient. And because a plurality of movable erasing cavities are arranged, the aim of erasing the local part can be fulfilled.
Can drive outside winding rope through upper and lower two pivoted pulleys (wheel) and reciprocate, thereby it reciprocates to drive the removal and erases the chamber, wherein the handle on the fixed pulley can manually rotate also can rotate through electric motor drive and realize removing and erase the chamber and reciprocate down, rubber wiping strip and cotton cloth wiping strip when downstream move down with the mode of moist shovel the downstream and shovel the powder to filter paper upper portion, through the mixture separation of filter paper with water and powder, thereby flow the absorption chamber with unnecessary water through filter paper and drainage groove, and with the powder filtering on filter paper upper portion, after gathering to certain degree with filter paper change after retrieve the powder.
2, wipe the intracavity through removing and set up the fan, and the fan is on the upper portion of rubber strip and cotton strip of wiping, at the in-process that moves down, the blackboard surface has been moistened owing to the humidity of cotton strip of wiping, through the fan of synchronous downward movement, weathers the moist water on blackboard surface (has accelerated the evaporation of water to a certain extent) to the use of giving follow-up blackboard provides convenient condition.
3, through being provided with the absorption chamber in water filtering tank bottom intercommunication, fill in the absorption chamber and be equipped with activated carbon particle (market purchase ordinary activated carbon particle can), water body down through water filtering tank is at the enrichment of absorption intracavity, and this time will contrast longer, starts the water pump after enriching to a certain extent and can extract the water storage water tank in with the absorption intracavity reserve. Thereby recycling the water body.
The water storage tank is arranged at the top, the tubular water supply switch which is arranged downwards is arranged, when the water in the erasing cavity is not enough, the water supply switch can be turned on to fill the water in the water storage tank into the erasing cavity for the cotton cloth erasing strip to use, and therefore the blackboard device becomes a self-sufficient whole in a relatively long period. The water body recycling device has the advantages that the used water body can be recycled, the used powder body can be recycled, and the content on the blackboard can be efficiently erased.
Drawings
Fig. 1 is a schematic structural view of the easily cleaning blackboard device of the present invention.
Fig. 2 is a schematic side view of the easily cleaning blackboard device of the present invention, which is vertically cut from the fan unit.
Fig. 3 is a schematic side view of the easily cleaning blackboard device of the present invention.
Wherein: 1-blackboard, 2-mobile erasing cavity, 3-cotton erasing strip, 4-fan, 5-fan containing cavity, 6-water storage tank, 7-water supply switch, 8-water filtering groove, 9-adsorption cavity, 10-water return pipe, 11-water pump, 12-device bracket, 13-upper fixed pulley, 14-lower fixed pulley, 15-rope, 16-mobile erasing cavity sliding block, 17-handle, 18-rubber erasing strip and 19-filter paper.
Detailed Description
The drawings of the utility model are schematic diagrams of the structure, and the structure of the utility model is only for more clear explanation.
The present embodiment is illustrative of an embodiment of the present invention, and does not limit the scope of protection. An easy-to-erase blackboard apparatus as shown in fig. 1, 2 and 3 includes a blackboard, an erasing part, a lifting part, a recovery part and an apparatus stand.
The erasing component comprises a movable erasing cavity, a cotton cloth erasing strip, a rubber erasing strip, a fan accommodating cavity, a movable erasing cavity sliding block and a movable erasing cavity top opening.
The lifting component comprises an upper fixed pulley, a lower fixed pulley, a rope and a handle.
The recovery part comprises a water filtering tank, filter paper, an adsorption cavity, a water return pipe, a water pump, a water storage tank and a water supply switch.
The chamber is erased in the removal is provided with 2, and all sets up the front portion of blackboard is erasing the intracavity and is filled with the pure water moving, is erasing the chamber bottom and being connected with moving rubber wiping strip, rubber wiping strip one end is erasing chamber bottom rigid coupling other end and blackboard surface contact with moving, as shown in fig. 2 and fig. 3, rubber wiping strip is erasing the chamber and the blackboard between for the removal is erasing to low and elasticity arc setting, because rubber has elasticity, consequently can be closely with blackboard surface contact, has at rubber wiping strip outside parcel cotton wiping strip, at least one end of cotton wiping strip stretches into the intracavity is erased in the removal, because the cotton is fibrous material, consequently the cotton wiping strip can be with the removal water absorption of erasing the intracavity in self to make the cotton wiping strip constantly be moist state. As shown in fig. 1, the fan accommodating chamber is arranged in each movable erasing chamber, the fan is arranged in the fan accommodating chamber, and the movable erasing chamber sliding block is fixedly connected to the side of the movable erasing chamber. The fan comprises a fan shaft, blades, a driving motor, a battery and a switch, wherein the switch is arranged on the side part of the movable erasing cavity sliding block, the movable erasing cavity sliding block is opened by touching the switch when sliding downwards, and the movable erasing cavity sliding block is closed by touching the switch again when sliding upwards to the uppermost part. The switch is electrically connected with the driving motor through an electric wire. The battery is a 2000mA lithium battery, the model used in the embodiment is commercially available MCD2000, the driving motor is a small 3W motor, the model used in the embodiment is commercially available DUT3W-C, the switch in the embodiment is a switch which is installed on a side plate at the side part of the blackboard after an outer plate of commercially available Philips WC-6 is detached, and the switch is in contact with the side part of the sliding block of the movable erasing cavity.
The present embodiment as shown in fig. 2 and 3 is preferably further provided with a lateral rubber plate (shown in fig. 2 and 3 but not numbered) supporting the movable erasing chamber at a position between the top of the movable erasing chamber and the blackboard.
The utility model discloses a blackboard eraser, including blackboard, lifting unit, fixed pulley, handle, cavity, handle, lifting unit, set up two sets, set up respectively the both sides of blackboard, it sets up the topmost of blackboard lateral part to go up the fixed pulley, the fixed pulley sets up the bottommost at the blackboard lateral part down, the rope twines at last fixed pulley under and between the fixed pulley, remove erase chamber slider one end with the removal is erased the lateral part rigid coupling other end in cavity and is fixed on the rope the epaxial handle that is provided with of fixed pulley down realizes through turning handle that the removal of rope passes through then the removal is erased the chamber slider and is driven the removal is erased the cavity.
The water filtering tank is arranged at the front end of the bottom of the blackboard, the whole body of the water filtering tank is arranged in an arc shape, one side far away from the blackboard is a higher side (namely, the water filtering tank extends downwards in an arc shape as shown in figure 2), the filter paper is laid at the top of the water filtering tank, the water filtering tank is in a densely-distributed upper and lower through hole structure, the bottom of the water filtering tank is communicated with the adsorption cavity, activated carbon particles are filled in the adsorption cavity, the water storage tank is arranged at the top of the blackboard, the water return pipe is arranged at the back of the blackboard, the bottom of the water return pipe is communicated with the adsorption cavity, the top end of the water return pipe is communicated with the water storage tank, the water pump is arranged on the water return pipe, the bottom of the water storage tank is provided with the water supply switch at the joint of the top of the movable erasing cavity, the top of the water supply switch top and the, model number US-08) and the bottom of the water supply switch is insertable into the mobile wiping chamber through the mobile wiping chamber top opening. The water pump of this embodiment is a 6W small water pump, and the small water pump of this embodiment is a commercially available model WEC-B-cd.
And the top of the water storage tank is also provided with a purified water supplement inlet for supplementing purified water.
The number of the device brackets is 2, and the top ends of the device brackets are fixedly connected with the back of the blackboard, and the bottom ends of the device brackets are transversely arranged on the ground.

Claims (5)

1. An easy-to-clean blackboard device is characterized in that the easy-to-clean blackboard comprises a blackboard, a cleaning component, a lifting component, a recovery component and a device bracket;
the erasing component comprises a movable erasing cavity, a cotton cloth erasing strip, a rubber erasing strip, a fan accommodating cavity, a movable erasing cavity sliding block and a movable erasing cavity top opening;
the lifting component comprises an upper fixed pulley, a lower fixed pulley, a rope and a handle;
the recovery part comprises a water filtering tank, filter paper, an adsorption cavity, a water return pipe, a water pump, a water storage tank and a water supply switch;
the number of the movable erasing cavities is 2, the movable erasing cavities are all arranged at the front part of the blackboard, the bottom of the movable erasing cavity is connected with the rubber erasing strip, one end of the rubber erasing strip is fixedly connected with the bottom of the movable erasing cavity, the other end of the rubber erasing strip is contacted with the surface of the blackboard, the cotton erasing strip is wrapped outside the rubber erasing strip, at least one end of the cotton erasing strip extends into the movable erasing cavity, each movable erasing cavity is internally provided with the fan accommodating cavity, the fan is arranged in the fan accommodating cavity, and the side part of the movable erasing cavity is fixedly connected with the movable erasing cavity sliding block;
the lifting component is provided with two sets of lifting components which are respectively arranged on two sides of the blackboard, the upper fixed pulley is arranged at the topmost end of the side part of the blackboard, the lower fixed pulley is arranged at the bottommost end of the side part of the blackboard, the rope is wound between the upper fixed pulley and the lower fixed pulley, one end of the movable erasing cavity sliding block is fixedly connected with the side part of the movable erasing cavity, the other end of the movable erasing cavity sliding block is fixed on the rope, the handle is arranged on a shaft of the lower fixed pulley, the rope is moved by rotating the handle, and then the movable erasing cavity sliding block is driven by the movable erasing cavity sliding block to slide between the upper fixed pulley and the lower;
the water filtering groove is arranged at the front end of the bottom of the blackboard, the whole water filtering groove is arranged in an arc shape, one side far away from the blackboard is a higher side, the filter paper is laid on the top of the water filtering groove, the water filtering groove is arranged in a structure of densely distributed upper and lower through holes, the bottom of the water filtering groove is communicated with the adsorption cavity, activated carbon particles are filled in the adsorption cavity, the water storage tank is arranged at the top of the blackboard, the water return pipe is arranged at the back of the blackboard, the bottom end of the water return pipe is communicated with the adsorption cavity, the top end of the water return pipe is communicated with the water storage tank, the water pump is arranged on the water return pipe, the water supply switch is arranged at the bottom of the water storage tank and the joint of the bottom of the water storage tank and the top of the movable erasing cavity, the switch for opening and closing is arranged at the top of the water supply switch and the bottom of the water storage tank, the bottom of the water supply switch can be inserted into the movable erasing cavity through the opening at the top of the movable erasing cavity;
one or more device brackets are arranged, and one end of each device bracket is fixedly connected with the back of the blackboard, and the other end of each device bracket is transversely arranged on the ground.
2. An easy-to-erase blackboard apparatus according to claim 1, wherein the width of the rubber erasing strip is larger than the distance between the moving erasing chamber and the blackboard.
3. An easy-to-clean blackboard apparatus according to claim 1, wherein the fan includes a fan shaft, a blade, a driving motor, a battery and a switch, the switch is disposed at the side of the movable erasing chamber slider, the touch switch is turned on when the movable erasing chamber slider slides downwards, and the touch switch is turned off when the movable erasing chamber slider slides upwards to the uppermost part.
4. An easy-to-clean blackboard apparatus according to claim 1, wherein the handle is mounted with an electric motor.
5. An easy-to-clean blackboard apparatus according to claim 1, wherein there are 2 apparatus brackets.
CN201921164504.1U 2019-07-24 2019-07-24 Easily-cleaned blackboard device Active CN210706661U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921164504.1U CN210706661U (en) 2019-07-24 2019-07-24 Easily-cleaned blackboard device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921164504.1U CN210706661U (en) 2019-07-24 2019-07-24 Easily-cleaned blackboard device

Publications (1)

Publication Number Publication Date
CN210706661U true CN210706661U (en) 2020-06-09

Family

ID=70958358

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921164504.1U Active CN210706661U (en) 2019-07-24 2019-07-24 Easily-cleaned blackboard device

Country Status (1)

Country Link
CN (1) CN210706661U (en)

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