CN211195607U

CN211195607U - Automatic cleaning blackboard

Info

Publication number: CN211195607U
Application number: CN201922124175.4U
Authority: CN
Inventors: 杨祖国; 邵玉林
Original assignee: Wuhan University of Science and Engineering WUSE
Current assignee: Wuhan University of Science and Engineering WUSE; Wuhan University of Science and Technology WHUST
Priority date: 2019-12-02
Filing date: 2019-12-02
Publication date: 2020-08-07
Anticipated expiration: 2029-12-02

Abstract

The utility model relates to an automatic cleaning blackboard, which comprises a blackboard, a cleaning device and a dust removing device, the cleaning device comprises a screw rod arranged above the blackboard and a slide rail arranged below the blackboard, the screw rod and the slide rail are parallel to the upper edge and the lower edge of the blackboard, the two screw rods are arranged symmetrically left and right, the outer sides of the two screw rods are both connected with a motor and a switch, the cleaning device also comprises a cleaning rod which is arranged between each screw rod and the slide rail and can move left and right, the top end of the cleaning rod is connected with the screw rod, the bottom end of the cleaning rod is connected with the slide rail, the dust removing devices comprise two groups which are arranged side by side and correspond to the screw rod, each group of dust removing devices comprises a blowing mechanism and a dust collecting mechanism which are arranged correspondingly up and down and have opposite openings, the blowing mechanism is arranged between the screw rod and the blackboard, the dust collecting mechanism is arranged between the blackboard and the slide rail, and the two sets of dust removing devices are respectively connected with the switches on the same side. The utility model discloses save time, improve teaching efficiency and can guarantee clean power.

Description

Automatic cleaning blackboard

Technical Field

The utility model relates to a teaching aid field specifically indicates an automatic cleaning blackboard.

Background

In the teaching process, a teacher often needs to write on a blackboard with chalk and then wipe off the chalk one by one after class, in the cleaning process, a large amount of chalk powder floats in the air and is sucked into the lung by the teacher and students, potential safety hazards are brought to the bodies of the teacher and the students, and chalk writing is not easy to wipe clean and often needs to be wiped for a long time. When the number of the blackboard-writing is large, after one blackboard is full, handwriting and dust need to be cleaned up manually, and therefore the classroom efficiency is reduced. The automatic cleaning blackboard in the prior art is a strip-shaped blackboard eraser which can move up and down or move left and right, can be continuously used after the erasing is finished, consumes time and reduces teaching efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model discloses be exactly to prior art not enough, provide an facilitate the use, save time improves teaching efficiency, avoids the dust to fly upward and guarantees the self-cleaning blackboard of clean power.

In order to solve the problems, the utility model relates to an automatic cleaning blackboard, which comprises a blackboard, a cleaning device and a dust removing device, wherein the cleaning device comprises a screw rod arranged above the blackboard and a slide rail arranged below the blackboard, the screw rod and the slide rail are parallel to the upper and lower edges of the blackboard, the screw rod is arranged in two and are arranged in bilateral symmetry, the outer sides of the two screw rods are both connected with a motor and a switch, the cleaning device also comprises a cleaning rod which is arranged between each screw rod and the slide rail and can move left and right, the top end of the cleaning rod is connected with the screw rod, the bottom end of the cleaning rod is connected with the slide rail, the dust removing device comprises two groups which are arranged side by side and correspond to the position of the screw rod, each group of dust removing device comprises an air blowing mechanism and a dust absorbing mechanism which are arranged in up-down correspondence and have, the two sets of dust removing devices are respectively connected with the switches on the same side.

Further, the blowing mechanism comprises a blowing opening and a blower connected through a first pipe, the dust collecting mechanism comprises a dust collecting groove and a dust collector connected through a second pipe, the lengths of the blowing opening and the dust collecting groove are the same as the length of the screw rod, the blowing opening is arranged between the screw rod and the blackboard, the dust collecting groove is arranged between the blackboard and the slide rail, and the blower and the dust collector are connected with a switch on the same side. Blowing mechanism and dust removal mechanism are a set of, and lead screw and dust collector who corresponds the side by switch control homonymy motor drive open or close, and dust collector is for controlling two sets of arranging side by side, and every clean pole is half of blackboard length along lead screw effective movement length, and the clean pole direction of motion that two lead screws are connected is relative, can realize cleaning and erasing the half blackboard, and second half blackboard still can continue to use, improves teaching efficiency, saves time, facilitates the use.

Further, clean pole includes the body of rod and removable sponge, clean pole is still including setting up the tree shape aqueduct that falls inside the body of rod, the terminal intercommunication sponge of branch of the tree shape aqueduct that falls, the body of rod outside still is including being used for the water injection hole to the intraductal water injection of tree shape aqueduct that falls. The removable sponge can guarantee clean efficiency, falls the tree form aqueduct and is used for leading the sponge from the water injection hole water injection, makes the sponge moist in order to increase cleaning power, and moist sponge can prevent that the dust from flying upward, and the shape of falling the tree form can the efficient make the sponge moist, convenient to use, clean efficiency is high.

Furthermore, the blackboard outside still is provided with the bracing piece, lead screw and slide rail are connected with the bracing piece respectively and are used for propping away from the blackboard. The lead screw and the slide rail are respectively supported away from the blackboard by the support rod, so that space is reserved for the installation of the dust removal device.

Furthermore, the top end of the cleaning rod is in transmission connection with the lead screw through a nut, and the bottom end of the cleaning rod is in sliding connection with the sliding rail through a sliding block. When the motor is started, the screw rods on the same side rotate forwards or reversely to drive the screw nuts at the top ends of the cleaning rods to move left and right, and the sliding blocks at the bottom ends of the cleaning rods slide in the sliding rails along with the movement of the cleaning rods.

Advantageous effects

The utility model discloses facilitate the use, save time improves teaching efficiency, avoids the dust to fly upward and can guarantee clean power. The screw rods and the slide rails are respectively arranged on the upper side and the lower side of the blackboard in parallel, the screw rods are symmetrically arranged in a left-right mode, the inner end points of the screw rods are adjacent, the outer sides of the screw rods are respectively connected with the motor and the switch, and cleaning rods capable of moving left and right are connected between each screw rod and the slide rail; two groups of dust removing devices are arranged corresponding to the positions of the screw rods, and each group is connected with the same-side switch, so that the cleaning device and the dust removing device on the same side can be started by one switch at the same time, dust flying is avoided, and dust suction is reduced; the blowing mechanism and the dust removal mechanism with opposite openings can reduce dust flying; the blowing mechanism is arranged between the screw rod and the blackboard, and the dust absorption mechanism is arranged between the blackboard and the slide rail, so that the dust absorption efficiency is ensured, and the flying of dust is reduced.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic side sectional view of the present invention.

Reference numerals: 1-blackboard, 2-screw rod, 3-slide rail, 4-motor, 5-switch, 6-cleaning rod, 61-rod body, 62-sponge, 63-inverted tree-shaped water guide pipe, 64-water injection hole, 7-air blowing port, 8-first conduit, 9-air blower, 10-dust suction groove, 11-second conduit, 12-dust collector and 13-support rod.

Detailed Description

The invention will be described in further detail with reference to the following drawings and specific examples:

the self-cleaning blackboard shown in the drawings comprises a blackboard 1, cleaning device and dust collector, cleaning device includes lead screw 2 and the slide rail 3 that the below set up that sets up in blackboard 1's top, lead screw 2 and slide rail 3 are parallel with blackboard 1's upper and lower limit, lead screw 2 is two and bilateral symmetry sets up, two 2 outsides of lead screw all are connected with motor 4 and switch 5, cleaning device is still including setting up the cleaning rod 6 that can remove about between each lead screw 2 and slide rail 3, the top and the lead screw 2 of cleaning rod 6 are connected, the bottom is connected with slide rail 3, dust collector is including the two sets of that correspond with lead screw 2 positions that set up side by side, every dust collector of group is including corresponding about setting up and the relative blast mechanism and the dust absorption mechanism of opening, blast mechanism sets up between lead screw 2 and blackboard 1, the dust absorption mechanism sets up between blackboard 1 and slide rail 3, two sets of dust collector are connected with homonymy. The lead screw and the slide rail are respectively arranged on the upper side and the lower side of the blackboard in parallel, the lead screw is two, the lead screw is arranged in bilateral symmetry, the length of the lead screw is not less than half of the length of the blackboard, the inner side end points are adjacent, the outer side of the lead screw is respectively connected with the motor and the switch, a cleaning rod capable of moving left and right is connected between each lead screw and the slide rail, the motor is preset by a program, the cleaning rod is set to move in the opposite direction when moving to the inner side end point of the lead screw, when the blackboard on one side is full, the corresponding switch can be opened to automatically clean the blackboard, the blackboard on the other side can be written at the moment, the blackboard cleaning area is divided into two parts; two groups of dust removing devices are arranged corresponding to the positions of the screw rods, and each group is connected with the same-side switch, so that the cleaning device and the dust removing device on the same side can be started by one switch at the same time, dust flying is avoided, and dust suction is reduced; the blowing mechanism and the dust removal mechanism with opposite openings can reduce dust flying; the blowing mechanism is arranged between the screw rod and the blackboard, and the dust absorption mechanism is arranged between the blackboard and the slide rail, so that the dust absorption efficiency is ensured, and the flying of dust is reduced. The utility model discloses facilitate the use, save time improves teaching efficiency, avoids the dust to fly upward and can guarantee clean power.

Preferably, the blowing mechanism comprises a blowing opening 7 and a blower 9 connected through a first conduit 8, the dust suction mechanism comprises a dust suction groove 10 and a dust collector 12 connected through a second conduit 11, the lengths of the blowing opening 7 and the dust suction groove 10 are the same as the length of the screw rod 2, the blowing opening 7 is arranged between the screw rod 2 and the blackboard 1, the dust suction groove 10 is arranged between the blackboard 1 and the slide rail 3, and the blower 9 and the dust collector 12 are both connected with the same-side switch 5. Blowing mechanism and dust removal mechanism are a set of, and lead screw and dust collector who corresponds the side by switch control homonymy motor drive open or close, and dust collector is for controlling two sets of arranging side by side, and every clean pole is half of blackboard length along lead screw effective movement length, and the clean pole direction of motion that two lead screws are connected is relative, can realize cleaning and erasing the half blackboard, and second half blackboard still can continue to use, improves teaching efficiency, saves time, facilitates the use.

Preferably, the cleaning rod 6 comprises a rod body 61 and a replaceable sponge 62, the cleaning rod 6 further comprises an inverted tree-shaped water guide pipe 63 arranged inside the rod body 61, the branch tail end of the inverted tree-shaped water guide pipe 63 is communicated with the sponge 62, and the rod body 61 further comprises a water injection hole 64 used for injecting water into the inverted tree-shaped water guide pipe 63. The removable sponge can guarantee clean efficiency, falls the tree form aqueduct and is used for leading the sponge from the water injection hole water injection, makes the sponge moist in order to increase cleaning power, and moist sponge can prevent that the dust from flying upward, and the shape of falling the tree form can the efficient make the sponge moist, convenient to use, clean efficiency is high. The water conduit may be in the shape of a pipe structure capable of efficiently guiding water, such as an inverted herringbone structure.

Preferably, the outer side of the blackboard 1 is further provided with a support rod 13, and the screw rod 2 and the slide rail 3 are respectively connected with the support rod 13 and used for supporting the blackboard 1. The lead screw and the slide rail are respectively supported away from the blackboard by the support rod, so that space is reserved for the installation of the dust removal device.

Preferably, the top end of the cleaning rod 6 is in transmission connection with the screw rod 2 through a nut, and the bottom end of the cleaning rod is in sliding connection with the sliding rail 3 through a sliding block. When the motor is started, the screw rods on the same side rotate forwards or reversely to drive the screw nuts at the top ends of the cleaning rods to move left and right, and the sliding blocks at the bottom ends of the cleaning rods slide in the sliding rails along with the movement of the cleaning rods.

The utility model discloses left side blackboard and right side blackboard part are controlled respectively by two independent circuits. For convenience of explanation, the blackboard on the left side is taken as an example to explain the use process of the utility model, and the right side and the left side only have the opposite movement direction of the cleaning rod. Before cleaning, need follow the water injection hole injection running water on the clean pole, wet the sponge on the clean pole, when from the water injection hole water injection, water can be shunted when arriving the branch mouth of falling tree form aqueduct, flows to the different parts of the terminal sponge that corresponds of branch respectively, realizes the wet monoblock sponge with a small amount of water, and the sponge has the function of moisturizing, and a water injection can use many times. When the left blackboard needs to be cleaned, the left switch is turned on, the motor, the blower and the dust collector start to work at the same time, the motor drives the cleaning rod to move rightwards, and the surface of the left blackboard can be cleaned by the wet sponge on the cleaning rod. Meanwhile, the air generated by the blower blows downwards vertically through the air blowing opening, the dust collector sucks dust downwards vertically through the dust suction groove, a layer of stably flowing air flow is formed on the surface of the blackboard by the air suction groove and the dust suction groove, dust generated in the cleaning process is sucked better, and the blower has the effect of accelerating drying of the cleaned wet blackboard. When the cleaning rod moves to the tail end of the screw rod rightwards, the movement direction of the motor is changed, the cleaning rod moves leftwards until the cleaning rod returns to the original position, and the cleaning of the blackboard on the left side is completed.

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

Claims

1. The utility model provides an automatic cleaning blackboard, includes blackboard (1), cleaning device and dust collector, its characterized in that: the cleaning device comprises a screw rod (2) arranged above the blackboard (1) and a sliding rail (3) arranged below the screw rod (2) and the sliding rail (3) are parallel to the upper side and the lower side of the blackboard (1), the screw rods (2) are arranged in a bilateral symmetry manner, the outer sides of the two screw rods (2) are connected with a motor (4) and a switch (5), the cleaning device further comprises a cleaning rod (6) which is arranged between each screw rod (2) and the sliding rail (3) and can move left and right, the top end of the cleaning rod (6) is connected with the screw rod (2), the bottom end of the cleaning rod is connected with the sliding rail (3), the dust removal device comprises two groups which are arranged side by side and correspond to the positions of the screw rods (2), each group of dust removal device comprises an air blowing mechanism and a dust collection mechanism which are arranged in an up-down corresponding manner and have opposite openings, and the air blowing mechanism is arranged, the dust collection mechanism is arranged between the blackboard (1) and the slide rail (3), and the two sets of dust removal devices are respectively connected with the same-side switch (5).

2. The automatic cleaning blackboard according to claim 1, characterized in that: blow mechanism including blowing mouthful (7) and hair-dryer (9) of connecting through first pipe (8), dust absorption mechanism includes dust absorption groove (10) and dust catcher (12) of connecting through second pipe (11), mouth (7) and dust absorption groove (10) length of blowing all is the same with lead screw (2) length, mouth (7) of blowing set up between lead screw (2) and blackboard (1), dust absorption groove (10) set up between blackboard (1) and slide rail (3), hair-dryer (9) and dust catcher (12) all are connected with homonymy switch (5).

3. The automatic cleaning blackboard according to claim 1 or 2, characterized in that: clean pole (6) are including the body of rod (61) and removable sponge (62), clean pole (6) are still including setting up at the inside tree-like aqueduct (63) of falling of the body of rod (61), the terminal intercommunication sponge (62) of branch of the tree-like aqueduct (63) falls, body of rod (61) outside is still including being used for water injection hole (64) to the interior water injection of tree-like aqueduct (63) that falls.

4. The automatic cleaning blackboard according to claim 3, characterized in that: the blackboard is characterized in that a support rod (13) is further arranged on the outer side of the blackboard (1), and the screw rod (2) and the slide rail (3) are respectively connected with the support rod (13) and used for supporting the blackboard (1).

5. The automatic cleaning blackboard according to claim 3, characterized in that: the top end of the cleaning rod (6) is in transmission connection with the screw rod (2) through a nut, and the bottom end of the cleaning rod is in sliding connection with the sliding rail (3) through a sliding block.