CN210553823U

CN210553823U - Blackboard with self-cleaning function

Info

Publication number: CN210553823U
Application number: CN201921102074.0U
Authority: CN
Inventors: 李清洁
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-15
Filing date: 2019-07-15
Publication date: 2020-05-19
Anticipated expiration: 2029-07-15

Abstract

The utility model discloses a blackboard with self-cleaning function relates to clean technical field, to the clean inconvenient problem of current blackboard face, now proposes following scheme, and it includes the blackboard body, blackboard body left side is fixed with the chain box, the upper and lower end of chain box all is fixed with the protection box, the protection box openly all is equipped with the rectangular channel, all rotate in the protection box and be connected with the screw rod, the left end of screw rod all extends to in the chain box, the one end that the screw rod is located the chain box all is fixed with synchronous pulley, synchronous pulley surface activity is provided with the hold-in range. The utility model discloses in, through the setting of motor, first motor and cylinder brush isotructure, can let the mechanized board to the face of cylinder brush clean, clean in-process, the dust is restricted in the dust cover, can not fly to dance all the day, has not only reduced the amount of labour, has also reduced the pollution of environment, and simple structure, easily maintenance and installation.

Description

Blackboard with self-cleaning function

Technical Field

The utility model relates to a clean technical field especially relates to a blackboard with self-cleaning function.

Background

The blackboard is not particularly a black board, but is a plane which can be repeatedly written in the traditional sense, and the board is hard and is mainly used for teaching. Mostly black, greenish black and white.

The current blackboard does not have the self-cleaning function, and when the board is cleaned, the blackboard wastes time and labor, dust flies all the way, and the dust is sucked by teachers and students and then harms bodies of the teachers and students, so that the blackboard with the self-cleaning function is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a blackboard with a self-cleaning function.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a blackboard with a self-cleaning function comprises a blackboard body, wherein a chain box is fixed on the left side of the blackboard body, protective boxes are fixed at the upper end and the lower end of the chain box respectively, rectangular grooves are formed in the front surfaces of the protective boxes respectively, a screw rod is connected in the protective boxes in a rotating manner, the left end of the screw rod extends into the chain box, a synchronous belt wheel is fixed at one end of the screw rod in the chain box, a synchronous belt is movably arranged on the surface of the synchronous belt wheel, a motor is fixed at the right end of the screw rod above the synchronous belt wheel, a first sliding block is connected on the surface of the screw rod above the synchronous belt wheel in a rotating manner, a second sliding block is connected on the surface of the screw rod below the synchronous belt wheel in a rotating manner, a limiting frame is arranged on the front surfaces of the first sliding block and the second sliding block, a dustproof shell is hinged to, the dustproof case is characterized in that a roller brush is arranged in the dustproof case, a second gear is fixed to the top end of the roller brush and is meshed with the first gear, a rolling bearing is fixed to the bottom end of the roller brush, clamping blocks are fixed to inner cavities of the first sliding block and the dustproof case, limiting blocks are fixed to the inner cavities of the second sliding block and the dustproof case, and two limiting switches are arranged on the front face of the protection box above the second sliding block and the dustproof case.

Preferably, a threaded hole is formed in the side wall of the first sliding block in a penetrating mode, the screw penetrates through the threaded hole, and the screw is tightly screwed with the first sliding block.

Preferably, the side wall of the second sliding block is provided with a through threaded hole, the screw rod penetrates through the threaded hole, and the screw rod is tightly screwed with the second sliding block.

Preferably, a gap is reserved between the dustproof shell and the blackboard body, and the inner cavity of the dustproof shell is in clearance fit with the roller brush.

Preferably, the two limiting blocks form a whole, and the rolling bearing is in clearance fit with the limiting blocks.

Preferably, the blackboard body is provided with a switch and a controller, the switch, the controller, the motor, the first motor and the limit switch are electrically connected, and the motor is a forward and reverse rotating motor.

Preferably, the limiting frame is tightly attached to the dustproof shell, and the limiting frame is movably connected with the dustproof shell through a pull buckle.

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

the utility model discloses in: through the setting of motor, first motor and cylinder brush isotructure, can let the mechanized board face that is to the cylinder brush clean, clean in-process, the dust is restricted in the dust cover, can not fly and dance all the day, has not only reduced the amount of labour, has also reduced the pollution of environment, and simple structure, easily maintenance and installation.

Drawings

Fig. 1 is a front view of a blackboard with self-cleaning function provided by the present invention.

Fig. 2 is an enlarged schematic view of a point a in fig. 1.

Fig. 3 is a sectional view at B in fig. 2.

Fig. 4 is a rear view of the dust-proof case of the blackboard with self-cleaning function provided by the utility model.

Fig. 5 is a right side view of the dust-proof case of the blackboard with self-cleaning function provided by the utility model.

Fig. 6 is a front view of the roller brush of the blackboard with self-cleaning function according to the present invention.

Fig. 7 is a right side view of the tab of the blackboard with self-cleaning function according to the present invention.

In the figure: 1 blackboard body, 2 chain boxes, 3 protection boxes, 4 screw rods, 5 synchronous belts, 6 motors, 7 first sliders, 8 second sliders, 9 limiting frames, 10 dustproof cases, 11 first motors, 12 first gears, 13 roller brushes, 14 second gears, 15 rolling bearings, 16 clamping blocks, 17 limiting blocks and 18 limiting switches.

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. 1-7, a blackboard with self-cleaning function, comprising a blackboard body 1, a chain box 2 is fixed on the left side of the blackboard body 1, a protection box 3 is fixed on the upper and lower ends of the chain box 2, a rectangular groove is arranged on the front surface of the protection box 3, a screw rod 4 is rotatably connected in the protection box 3, the left end of the screw rod 4 extends into the chain box 2, a synchronous pulley is fixed on one end of the screw rod 4 in the chain box 2, a synchronous belt 5 is movably arranged on the surface of the synchronous pulley, a motor 6 is fixed on the right end of the screw rod 4 above, a first slide block 7 is rotatably connected on the surface of the screw rod 4 above, a second slide block 8 is rotatably connected on the surface of the screw rod 4 below, a limit frame 9 is arranged on the front surfaces of the first slide block 7 and the second slide block 8, a dust-proof shell 10 is hinged on the left side wall of the limit frame 9, a first motor 11 is, a roller brush 13 is arranged in the dustproof shell 10, a second gear 14 is fixed at the top end of the roller brush 13, the second gear 14 is meshed with a first gear 12, a rolling bearing 15 is fixed at the bottom end of the roller brush 13, a clamping block 16 is fixed in an inner cavity of the first sliding block 7 and the dustproof shell 10, a limiting block 17 is fixed in an inner cavity of the second sliding block 8 and the dustproof shell 10, two limiting switches 18 are arranged on the front surface of the upper protective box 3, a through threaded hole is formed in the side wall of the first sliding block 7, a screw rod 4 penetrates through the threaded hole, the screw rod 4 is tightly screwed with the second sliding block 8, a gap is reserved between the dustproof shell 10 and the blackboard body 1, the inner cavity of the dustproof shell 10 is in clearance fit with the roller brush 13, the two limiting blocks 17 form a whole, the rolling bearing 15 is in clearance fit with the limiting blocks 17, be equipped with switch and controller on the blackboard body 1, switch, controller, motor 6, first motor 11, limit switch 18 are electric connection, and motor 6 is the motor that just reverses, and spacing frame 9 closely laminates with dustcoat 10, and spacing frame 9 and dustcoat 10 are through drawing detaining swing joint.

The working principle of the utility model is that in the utility model, when in work, the switch is turned on, the controller controls the first motor 11 and the motor 6, the motor 6 drives the two screw rods 4 to rotate, the first slider 7 and the second slider 8 can be moved left and right, the rolling brush 13 and the dustproof shell 10 can be driven to move left and right, the first motor 11 drives the rolling brush 13 to rotate, the blackboard surface of the blackboard body 1 can be cleaned, the dust generated in the cleaning process is blocked in the dustproof shell 10 and can not be scattered, even if some dust is leaked, the problem is not serious, when the first slider 7 moves to the two sides of the protection box 3, the limit switch 18 can be touched, and at the moment, the limit switch 18 can stop the work of the motor 6 and the first motor 11; after the cleaning is finished, the pull buckle can be opened, the dustproof shell 10 is rotated, the roller brush 13 inside can be taken out to be cleaned, dust on the surface of the roller brush 13 is removed, and the remained dust in the dustproof shell 10 is cleaned.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

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 design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a blackboard with self-cleaning function, includes blackboard body (1), its characterized in that, blackboard body (1) left side is fixed with chain box (2), the upper and lower end of chain box (2) all is fixed with protection box (3), protection box (3) openly all are equipped with the rectangular channel, it is connected with screw rod (4) all to rotate in protection box (3), the left end of screw rod (4) all extends to in chain box (2), the one end that screw rod (4) are located chain box (2) all is fixed with synchronous pulley, synchronous pulley surface activity is provided with hold-in range (5), is located the top screw rod (4) right-hand member is fixed with motor (6), the top screw rod (4) surface is rotated and is connected with first slider (7), the below screw rod (4) surface is rotated and is connected with second slider (8), first slider (7), Second slider (8) openly all are equipped with spacing frame (9), spacing frame (9) left side wall articulates there is dustproof shell (10), first slider (7) openly are fixed with first motor (11), the output shaft end of first motor (11) is fixed with first gear (12), be provided with cylinder brush (13) in dustproof shell (10), cylinder brush (13) top is fixed with second gear (14), second gear (14) and first gear (12) intermeshing, cylinder brush (13) bottom mounting has antifriction bearing (15), first slider (7), dustproof shell (10) inner chamber are fixed with clamp splice (16), second slider (8), dustproof shell (10) inner chamber are fixed with spacing block (17), the top protection box (3) openly are equipped with two limit switch (18).

2. The blackboard with self-cleaning function according to claim 1, characterized in that the side wall of the first sliding block (7) is provided with a through threaded hole, the screw rod (4) passes through the threaded hole, and the screw rod (4) is tightly screwed with the first sliding block (7).

3. The blackboard with self-cleaning function according to claim 1, characterized in that the side wall of the second sliding block (8) is provided with a through threaded hole, the screw rod (4) passes through the threaded hole, and the screw rod (4) is tightly screwed with the second sliding block (8).

4. The blackboard with self-cleaning function according to claim 1, characterized in that a gap is left between the dust-proof case (10) and the blackboard body (1), and the inner cavity of the dust-proof case (10) is in clearance fit with the roller brush (13).

5. The blackboard with self-cleaning function according to claim 1, characterized in that the two stoppers (17) are integrated into a whole, and the rolling bearing (15) and the stoppers (17) are in clearance fit.

6. The blackboard with the self-cleaning function according to claim 1, wherein the blackboard body (1) is provided with a switch and a controller, the switch, the controller, the motor (6), the first motor (11) and the limit switch (18) are electrically connected, and the motor (6) is a forward and reverse rotation motor.

7. The blackboard with the self-cleaning function according to claim 1, wherein the limiting frame (9) is closely attached to the dustproof case (10), and the limiting frame (9) is movably connected with the dustproof case (10) through a pull buckle.