CN212979670U

CN212979670U - Automatic scrubbing white board for teaching

Info

Publication number: CN212979670U
Application number: CN202021564335.3U
Authority: CN
Inventors: 王常胜; 王晶
Original assignee: Shandong Labor Vocational and Technical College
Current assignee: Shandong Labor Vocational and Technical College
Priority date: 2020-07-31
Filing date: 2020-07-31
Publication date: 2021-04-16
Anticipated expiration: 2030-07-31

Abstract

The utility model provides a whiteboard is cleaned with automation to teaching, including blank and setting frame around the blank, the frame is connected with the support frame, frame top and bottom all are equipped with the spout, slider and spout cooperation, and frame bottom both sides are equipped with the support, are equipped with the screw rod between two supports, and the screw rod passes through the actuating mechanism drive, is equipped with the nut on the screw rod, and the nut passes through the connecting rod to be connected with the slider in the downside spout, is equipped with the bar hole that supplies the connecting rod to pass on the spout, and the upper and lower both ends of whiteboard eraser are equipped with the connection structure who is connected with the slider respectively, connection structure includes slide bar and sleeve, and the slide bar suit is equipped with the spring between sleeve and the whiteboard eraser, is equipped with on the slider with the sleeve. The whiteboard device can realize automatic erasing, and is convenient for replacing the whiteboard eraser.

Description

Automatic scrubbing white board for teaching

Technical Field

The utility model belongs to teaching aid equipment field, in particular to white board is cleaned with automation to teaching.

Background

The whiteboard is a demonstration, exhibition, teaching aid that people used in daily life and work, and the effect is similar with traditional blackboard, is a writing instrument that can erase and write repeatedly, and the whiteboard generally has the magnetism function of inhaling, and is lighter and more handy than traditional blackboard, and is convenient, does benefit to the advantage of show.

However, the whiteboard is manually erased in the using process, so that convenience is affected, the whiteboard is troublesome, and if the whiteboard is not erased in time, erasing difficulty is increased after later writing is dried. More and more whiteboard devices are being automatically erased.

CN203920167U discloses a dust-free automatic erasing teaching whiteboard, which comprises an upper roller shaft group, a lower roller shaft group, a roller brush group, an annular whiteboard, a whiteboard supporting plate, a motor externally connected with a power supply, a motion button, and a mounting bottom plate, wherein the upper roller shaft group, the lower roller shaft group, the roller brush group, and the whiteboard supporting plate are all mounted on the mounting bottom plate, and the upper roller shaft group and the lower roller shaft group are respectively horizontally mounted on the upper edge and the lower edge of the mounting bottom plate; the lower rolling shaft of the lower roller shaft group is connected with a first synchronous belt wheel at the tail end of an output shaft of a motor, and the motor is respectively connected with a motion button for controlling the annular whiteboard to roll up and down through a forward and reverse rotation control line; the annular white board is respectively sleeved on an upper roller shaft and a lower roller shaft of the upper roller shaft group and the lower roller shaft group, and the axes of the upper roller shaft group, the lower roller shaft group and the white board support plate are parallel and ensure that the surface of the annular white board is flat; the roller brush group comprises a rolling brush and a rolling brush bearing seat for mounting the rolling brush, and the outer cylindrical surface of the rolling brush of the roller brush group is tightly contacted with the outer surface of the annular whiteboard; the tail end of the rolling brush bearing seat is provided with a second synchronous belt wheel, and the second synchronous belt wheel is connected with the first synchronous belt wheel through a synchronous belt.

In the mechanism, the rolling brush erases the handwriting of the annular white board in the rotating process of the annular white board, so that automatic erasing can be realized. However, the rolling brush is not easy to replace, and the annular white board is in a moving state when being erased, so that the service life is influenced.

Disclosure of Invention

The utility model aims to solve the technical problem that a whiteboard is cleaned with automation to teaching is provided, can realize erasing automatically, the convenient change to whiteboard eraser.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: the utility model provides a teaching is with automatic blank of cleaning, includes blank and the frame of setting around the blank, and the frame is connected with the support frame, frame top and bottom all are equipped with the spout, and slider and spout cooperation, frame bottom both sides are equipped with the support, are equipped with the screw rod between two supports, and the screw rod passes through the actuating mechanism drive, is equipped with the nut on the screw rod, and the nut passes through the connecting rod to be connected with the slider in the downside spout, is equipped with the bar hole that supplies the connecting rod to pass on the spout, and the upper and lower both ends of white board eraser are equipped with the connection structure who is connected with the slider respectively, connection structure includes slide bar and sleeve, and the slide bar suit is equipped with the spring in the sleeve between sleeve and the white.

In a preferred scheme, the driving mechanism is a speed reducing motor, and the speed reducing motor is arranged on the bracket.

In an optimal scheme, a limiting plate is arranged at the top of the sleeve, and a limiting bulge which is limited at the bottom of the limiting plate is arranged at the end part of the sliding rod.

In the preferred scheme, the sliding block protrudes out of the top of the sliding groove, the clamping hole is a strip-shaped hole, a threaded hole communicated with the strip-shaped hole is formed in one side of the sliding block, and the adjusting screw rod is installed in the threaded hole and limits the sleeve.

In the preferred scheme, the support frame comprises a longitudinal support at the bottom and a vertical support connected with the longitudinal support, the vertical support is connected with the frame, and the bottom of the longitudinal support is provided with a travelling wheel.

In a further scheme, the vertical support comprises an inner sleeve and an outer sleeve which are mutually sleeved, a plurality of fixing holes which correspond to each other are formed in the inner sleeve and the outer sleeve, and screws simultaneously penetrate through the fixing holes in the inner sleeve and the outer sleeve to enable the inner sleeve to be connected with the outer sleeve.

The utility model provides a pair of whiteboard is cleaned with automation to teaching, removes about driving mechanism drive whiteboard eraser, realizes wiping the braking of whiteboard, conveniently says through setting up connection structure simultaneously that whiteboard eraser takes off and changes or wash, guarantees to erase the effect.

Drawings

The invention will be further explained with reference to the following figures and examples:

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

FIG. 2 is a schematic view of the installation of the whiteboard eraser;

FIG. 3 is a schematic structural view of a preferred support frame;

in the figure: whiteboard 1, frame 2, support frame 3, spout 4, slider 5, support 6, screw 7, actuating mechanism 8, nut 9, connecting rod 10, whiteboard eraser 11, slide bar 12, sleeve 13, spring 14, limiting plate 15, spacing arch 16, adjusting screw 17, vertical support 301, vertical support 302, walking wheel 303, interior sleeve pipe 304, outer tube 305, fixed orifices 306, bar hole 401, clamp hole 501.

Detailed Description

As shown in fig. 1-2, an automatic scrubbing whiteboard for teaching comprises a whiteboard 1 and a frame 2 disposed around the whiteboard 1, the frame 2 is connected to a supporting frame 3, sliding grooves 4 are disposed at the top and the bottom of the frame 2, a sliding block 5 is engaged with the sliding grooves 4, in this embodiment, the sliding block 5 is a "T" shaped sliding block engaged with the sliding grooves 4, brackets 6 are disposed at both sides of the bottom of the frame 2, a screw 7 is disposed between the two brackets 6, the screw 7 is rotatably mounted on the brackets 6 through a bearing, the screw 7 is driven by a driving mechanism 8, in this embodiment, the driving mechanism 8 is a speed reduction motor, a nut 9 is disposed on the screw 7, the nut 9 is connected to the sliding block 5 in the lower sliding groove 4 through a connecting rod 10, a strip-shaped hole 401 for the connecting rod 10 to pass through is disposed on the sliding groove 4, the strip-shaped hole 401 is disposed along the length direction of the sliding groove 4, and connecting, the whiteboard eraser 11 is of a plate-shaped structure, the erasing surface of the whiteboard eraser 11 is made of cleaning cloth or fiber cloth used by a conventional whiteboard eraser, the connecting structure comprises a sliding rod 12 and a sleeve 13, the sliding rod 12 is connected with the whiteboard eraser 11, the sliding rod 12 is sleeved in the sleeve 13, a spring 14 is arranged between the sleeve 13 and the whiteboard eraser 11, and the sliding block 5 is provided with a clamping hole 501 matched with the sleeve 13.

When the whiteboard eraser is used specifically, the sleeve 13 is extruded towards the whiteboard eraser 11, the spring 14 is compressed, the sleeve 13 is inserted into the clamping holes 501 in the upper and lower sliding blocks 5, the whiteboard eraser 11 is fixed, the driving mechanism 8 is started, the screw 7 is driven to rotate, the nut 9 is driven to move along the screw 7, the sliding blocks 5 and the whiteboard eraser 11 are driven to move, and the whiteboard 1 is automatically erased; when the white board eraser 11 needs to be cleaned and replaced, the sleeve 13 is pressed toward the white board eraser 11, the spring 14 is compressed, the sleeve 13 is taken out from the clamping hole 501, and the white board eraser 11 is taken down for cleaning.

The device realizes the automatic erasing to the whiteboard, can conveniently take off the whiteboard eraser 11 simultaneously, conveniently replaces and washs the whiteboard eraser 11.

The top of the sleeve 13 is provided with a limiting plate 15, and the end of the sliding rod 12 is provided with a limiting bulge 16 limited at the bottom of the limiting plate 15.

The slide rod 12 is prevented from coming off the sleeve 13 by the stopper projection 16 being stopped by the stopper plate 15.

Preferably, the slider 5 protrudes out of the top of the chute 4, the clamping hole 501 is a strip-shaped hole, the direction of the strip-shaped hole is perpendicular to the length direction of the chute 4, a threaded hole communicated with the strip-shaped hole is formed in one side of the slider 5, and the adjusting screw 17 is installed in the threaded hole and limits the sleeve 13.

The position of the sleeve 13 is adjusted by rotating the adjusting screw 17, so that the distance between the whiteboard eraser 11 and the whiteboard 1 is adjusted, the attaching degree between the whiteboard eraser 11 and the whiteboard 1 is ensured, and the sufficient contact is ensured to realize erasing.

Preferably, as shown in fig. 3, the support frame 3 includes a longitudinal support 301 at the bottom and a vertical support 302 connected to the longitudinal support 301, the vertical support 302 is connected to the frame 2, and the bottom of the longitudinal support 301 is provided with a road wheel 303.

Through setting up vertical support 301, improve the area of contact of support frame 3 and ground, improve stability.

The vertical bracket 302 comprises an inner sleeve 304 and an outer sleeve 305 which are sleeved with each other, a plurality of fixing holes 306 are arranged on the inner sleeve 304 and the outer sleeve 305 which correspond to each other, and screws simultaneously penetrate through the fixing holes on the inner sleeve 304 and the outer sleeve 305 to connect the inner sleeve 304 and the outer sleeve 305.

The height of the vertical bracket 302 is adjusted by adjusting the position of the inner sleeve 304 and the outer sleeve 305 which are staggered with each other, so that the height of the whiteboard can be adjusted according to different use environments.

Claims

1. The utility model provides a teaching is with automatic whiteboard of scrubbing, includes whiteboard (1) and sets up frame (2) all around whiteboard (1), and frame (2) are connected its characterized in that with support frame (3): the top and the bottom of the frame (2) are respectively provided with a sliding chute (4), the sliding block (5) is matched with the sliding chutes (4), two sides of the bottom of the frame (2) are provided with a bracket (6), a screw rod (7) is arranged between the two brackets (6), the screw rod (7) is driven by a driving mechanism (8), the screw rod (7) is provided with a nut (9), the nut (9) is connected with the sliding block (5) in the sliding chute (4) at the lower side through a connecting rod (10), the sliding chute (4) is provided with a strip-shaped hole (401) for the connecting rod (10) to pass through, the upper end and the lower end of the white board eraser (11) are respectively provided with a connecting, the connecting structure comprises a sliding rod (12) and a sleeve (13), the sliding rod (12) is sleeved in the sleeve (13), a spring (14) is arranged between the sleeve (13) and the whiteboard eraser (11), and a clamping hole (501) matched with the sleeve (13) is arranged on the sliding block (5).

2. The automatic scrubbing whiteboard for teaching of claim 1, wherein: the driving mechanism (8) is a speed reducing motor, and the speed reducing motor is arranged on the bracket (6).

3. The automatic scrubbing whiteboard for teaching of claim 1, wherein: a limiting plate (15) is arranged at the top of the sleeve (13), and a limiting bulge (16) limited at the bottom of the limiting plate (15) is arranged at the end part of the sliding rod (12).

4. The automatic scrubbing whiteboard for teaching of claim 1, wherein: the sliding block (5) protrudes out of the top of the sliding groove (4), the clamping hole (501) is a strip-shaped hole, a threaded hole communicated with the strip-shaped hole is formed in one side of the sliding block (5), and the adjusting screw rod (17) is installed in the threaded hole and limits the sleeve (13).

5. The automatic scrubbing whiteboard for teaching of claim 1, wherein: the supporting frame (3) comprises a longitudinal support (301) at the bottom and a vertical support (302) connected with the longitudinal support (301), the vertical support (302) is connected with the frame (2), and traveling wheels (303) are arranged at the bottom of the longitudinal support (301).

6. The automatic scrubbing whiteboard for teaching of claim 5, wherein: the vertical support (302) comprises an inner sleeve (304) and an outer sleeve (305) which are sleeved with each other, a plurality of fixing holes (306) which correspond to each other are formed in the inner sleeve (304) and the outer sleeve (305), and screws simultaneously penetrate through the fixing holes in the inner sleeve (304) and the outer sleeve (305) to enable the inner sleeve (304) and the outer sleeve (305) to be connected.