CN220314578U - Writing board convenient to scrub - Google Patents

Abstract

The utility model discloses a writing board convenient to scrub, which comprises a writing board body, wherein a water box is arranged at the bottom of the writing board body, a self-sucking pump is arranged at the bottom of the water box, a three-way pipe is arranged at an inlet of the self-sucking pump, a three-way valve is arranged on the three-way pipe, a water inlet of the three-way pipe penetrates through the bottom of the water box and is communicated with the lower end inside the water box, an air inlet of the three-way pipe is exposed out of the water box, a vertical pipe is arranged at an outlet of the self-sucking pump, the vertical pipe penetrates through the water box up and down, a transverse pipe is arranged at the top of the vertical pipe, and the transverse pipe is arranged at the top of the writing board body. This clipboard convenient to clean can wash the clipboard body from the top down, can also filter and retrieve the water after washing, avoids washing water pollution ground, can weather the clipboard body after washing through high-speed air current in addition, and drying speed is fast, is convenient for put into use the clipboard fast.

Description

Writing board convenient to scrub

Technical Field

The utility model relates to the technical field of writing boards, in particular to a writing board convenient to scrub.

Background

The blackboard is not a black board surface, is a plane which can be repeatedly written by chalk, is hard and is mostly used for teaching. At present, the types of blackboards are becoming complex and various, and the blackboards, green boards, white boards and the like are classified from colors; the surface shape is divided into a plane plate, an arc panel, and the structure is divided into a bracket movable plate, a push-pull plate, a lifting plate and a magnetic blackboard; the blackboard is divided into a teaching blackboard, an office whiteboard, an advertising board and a display board from the aspect of application.

After the traditional blackboard is used for a period of time, writing marks are difficult to remove cleanly through a simple wiping mode, the writing marks are overlapped, so that writing contents are difficult to distinguish, and the current solution is to clean the blackboard surface by clear water to remove the writing marks which are difficult to wipe. However, the blackboard cleaned by water is naturally dried to evaporate the water on the surface, and the drying speed is low. In addition, in the water cleaning process, water is easy to spill and pollute the ground.

Disclosure of Invention

The utility model aims to overcome the existing defects, and provides the writing board convenient to scrub, which can flush the writing board body from top to bottom, can filter and recycle the flushed water, so as to prevent the flushed water from polluting the ground.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a clipboard convenient to clean, includes the clipboard body, the bottom of clipboard body is equipped with the water box, the bottom of water box is equipped with the self priming pump, the import of self priming pump is equipped with the three-way pipe, be equipped with the three-way valve on the three-way pipe, and the water inlet of three-way pipe runs through water box bottom to with the inside lower extreme intercommunication of water box, the air inlet of three-way pipe exposes in the water box outside, the export of self priming pump is equipped with the standpipe, run through the water box from top to bottom, and the top of standpipe is equipped with horizontal pipe, horizontal pipe is installed at the top of clipboard body, and the apopore has been seted up to the bottom that horizontal pipe corresponds with the writing surface of clipboard body.

As an optimized technical scheme of the utility model, the water box is provided with a switch for controlling the self-priming pump to work, and the switch, the self-priming pump and an external power supply are connected in series to form a working circuit of the self-priming pump.

As a preferable technical scheme of the utility model, the upper surface of the water box corresponding to the writing surface of the writing board body is provided with a strip-shaped hole, a filter screen is arranged in the strip-shaped hole, and a filter cloth is laid on the filter screen.

As a preferable technical scheme of the utility model, a cover plate for shielding the strip-shaped holes is movably arranged on the water box.

As a preferable technical scheme of the utility model, the upper surface of the cover plate is provided with a dust collecting groove.

As a preferable technical scheme of the utility model, the back of the transverse pipe is provided with a hook, and the back of the hook is flush with the back of the water box.

Compared with the prior art, the utility model has the beneficial effects that:

when the writing board body is required to be washed, the self-sucking pump pumps water in the water box through the three-way pipe, and the water is conveyed into the transverse pipe through the vertical pipe, and the water in the transverse pipe flows onto the writing surface of the writing board body through the water outlet hole, so that the writing surface of the writing board body is washed.

According to the writing board convenient to scrub, after flushing is finished, the three-way valve is rotated, at the moment, the self-sucking pump extracts air through the air inlet of the three-way pipe, the air is discharged downwards through the vertical pipe and the horizontal pipe at the height of the water outlet, and high air flow blows to the writing surface of the writing board body, so that air drying of the writing surface of the writing board body is accelerated.

The writing board convenient to scrub, which is disclosed by the utility model, can be used for flushing the writing board body from top to bottom, filtering and recycling the flushed water, so that the ground is prevented from being polluted by the flushed water, and the flushed writing board body can be dried through high-speed air flow, so that the writing board is fast in drying speed, convenient to put into use and convenient to use.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of FIG. 1;

FIG. 3 is a schematic view of the bottom structure of FIG. 1;

FIG. 4 is a schematic top view of a portion of a writing board body according to the present utility model;

FIG. 5 is a schematic view of a three-way pipe according to the present utility model;

fig. 6 is a schematic partial structure of the cover plate in the present utility model.

In the figure: the writing board comprises a writing board body 1, a water box 2, a filter screen 21, a filter cloth 22, a vertical tube 3, a horizontal tube 31, a water outlet 32, a self-priming pump 4, a three-way pipe 41, a three-way valve 42, a cover plate 5 and a switch 6.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-6, the present utility model provides a technical solution:

embodiment one, refer to fig. 1, 2, 3 and 5:

the utility model provides a clipboard convenient to clean, which comprises a clipboard body 1, the bottom of clipboard body 1 is equipped with water box 2, the bottom of water box 2 is equipped with self priming pump 4, the import of self priming pump 4 is equipped with three-way pipe 41, be equipped with three-way valve 42 on the three-way pipe 41, and the water inlet of three-way pipe 41 runs through water box 2 bottom, and communicate with the inside lower extreme of water box 2, the air inlet of three-way pipe 41 exposes in water box 2 outside, the export of self priming pump 4 is equipped with standpipe 3, standpipe 3 runs through water box 2 from top to bottom, and the top of standpipe 3 is equipped with horizontal pipe 31, horizontal pipe 31 is installed at the top of clipboard body 1, and water outlet 32 has been seted up to the bottom that horizontal pipe 31 corresponds with the writing surface of clipboard body 1, water box 2 inside stores the washing water; when the writing board body 1 needs to be washed, the self-priming pump 4 pumps water in the water box 2 through the three-way pipe 41 and conveys the water into the transverse pipe 31 through the vertical pipe 3, and the water in the transverse pipe 31 flows onto the writing surface of the writing board body 1 through the water outlet 32, so that the writing surface of the writing board body 1 is washed.

After the flushing is completed, the three-way valve 42 is rotated, and at this time, the self-sucking pump 4 sucks air through the air inlet of the three-way pipe 41, and discharges the air downwards through the vertical pipe 3 and the horizontal pipe 31 at a height of the water outlet 32, and the air flow at the height blows to the writing surface of the writing board body 1, so that the air drying of the writing surface of the writing board body 1 is accelerated.

Further, a switch 6 for controlling the self-priming pump 4 to work is arranged on the water box 2, and the switch 6, the self-priming pump 4 and an external power supply are connected in series to form a working circuit of the self-priming pump 4.

Embodiment two, refer to fig. 1, 2, 4 and 6:

the difference from the first embodiment is that: the upper surface that water box 2 corresponds with writing surface of writing board body 1 has seted up the bar hole, and the inside in bar hole is equipped with filter screen 21, has laid filter cloth 22 on the filter screen 21, enters into water box 2 after washing writing board body 1's water after the filter screen 21 filters, the filtration and the recycle of the waste water of being convenient for.

Further, cover plate 5 that shelters from the bar hole has been placed to the activity on the water box 2, and when writing, cover plate 5 can shelter from the bar hole, avoids the dust to enter into in the bar hole.

Further, the upper surface of apron 5 has seted up dust collection groove, conveniently collects the dust.

After the writing board body 1 is rinsed with water, the writing board body 1 can be wiped with a dry blackboard eraser, and the water moves to the protruding part on the writing board body 1, finally moves downwards at the corner and falls into the water box 2.

Further, the back of the horizontal tube 31 is provided with a hook, and the back of the hook is flush with the back of the water box 2, so that the writing board body 1 can be hung and fixed conveniently.

The self-priming pump 4 used in the present utility model is a common electronic component in the prior art, and its working mode and circuit structure are well known techniques, and will not be described herein.

The self-priming pump 4 is a self-priming miniature water pump, working medium can be gas and liquid, has a self-priming function, is different from a traditional water pump, can work without water diversion, and can simultaneously perform water pumping and air pumping.

The utility model can flush the writing board body 1 from top to bottom, can filter and recycle the flushed water, avoid the flushing water polluting the ground, and can blow the flushed writing board body 1 by high-speed air flow, thereby having high drying speed, being convenient for rapidly putting the writing board into use and convenient for use.

The non-disclosed parts of the utility model are all prior art, and the specific structure, materials and working principle thereof are not described in detail. Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a clipboard convenient to clean, includes clipboard body (1), its characterized in that: the utility model discloses a writing board, including writing board body (1), self priming pump (4) are equipped with in the bottom of writing board body (1), the bottom of water box (2) is equipped with self priming pump (4), the import of self priming pump (4) is equipped with three-way pipe (41), be equipped with three-way valve (42) on three-way pipe (41), and the water inlet of three-way pipe (41) runs through water box (2) bottom to with the inside lower extreme intercommunication of water box (2), the air inlet of three-way pipe (41) exposes in water box (2) outside, the export of self priming pump (4) is equipped with standpipe (3), run through water box (2) from top to bottom standpipe (3), and the top of standpipe (3) is equipped with horizontal pipe (31), the top at writing board body (1) is installed to horizontal pipe (31), and apopore (32) have been seted up to the bottom that the writing surface of writing board body (1) corresponds.

2. The scrubbing-facilitating writing pad of claim 1, wherein: the water box (2) is provided with a switch (6) for controlling the self-priming pump (4) to work, and the switch (6), the self-priming pump (4) and an external power supply are connected in series to form a working circuit of the self-priming pump (4).

3. The scrubbing-facilitating writing pad of claim 1, wherein: the water box (2) is provided with a strip-shaped hole on the upper surface corresponding to the writing surface of the writing board body (1), a filter screen (21) is arranged in the strip-shaped hole, and a filter cloth (22) is paved on the filter screen (21).

4. A scrubbing-facilitating writing pad according to claim 3, wherein: a cover plate (5) for shielding the strip-shaped holes is movably arranged on the water box (2).

5. The scrubbing-facilitating writing pad of claim 4, wherein: the upper surface of the cover plate (5) is provided with a dust collection groove.

6. The scrubbing-facilitating writing pad of claim 1, wherein: the back of the horizontal pipe (31) is provided with a hook, and the back of the hook is flush with the back of the water box (2).