CN216268378U

CN216268378U - Self-cleaning dust-absorbing blackboard

Info

Publication number: CN216268378U
Application number: CN202123169325.7U
Authority: CN
Inventors: 王璐
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-16
Filing date: 2021-12-16
Publication date: 2022-04-12
Anticipated expiration: 2031-12-16

Abstract

A self-cleaning dust-absorbing blackboard belongs to the field of teaching tools. The utility model solves the problem that the existing blackboard wastes time and labor in the whole wiping process. The cleaning device comprises a mounting seat, wherein a first motor and a second motor are respectively arranged on two sides of the mounting seat, a gear shaft and a lead screw are arranged in the mounting seat, the gear shaft is rotatably arranged in the mounting seat and connected with the second motor, the lead screw is rotatably arranged in the mounting seat and connected with the first motor, the lead screw is matched with a sliding block, the sliding block is fixedly connected with a mounting clamping groove, a movable rod is slidably arranged on the mounting clamping groove, a rack matched with the gear shaft is arranged on the movable rod, the movable rod penetrates through the mounting groove of the mounting seat and is connected with a cleaning device, a blackboard is fixedly arranged on the mounting seat, and the cleaning device is in contact with the end face of the blackboard. The self-cleaning dust-absorbing blackboard is suitable for teaching courses requiring more writing on boards, such as Chinese, English and the like, and can automatically clean the blackboard and reduce the influence of chalk dust on the environment.

Description

Self-cleaning dust-absorbing blackboard

Technical Field

The utility model relates to the field of teaching tools, in particular to a self-cleaning dust-absorbing blackboard.

Background

The blackboard is the indispensable teaching aid in the classroom, and the teacher records the blackboard writing on the blackboard and supplies students to study and use, and the advantage of blackboard lies in can using repeatedly, and the blackboard after writing passes through the blackboard eraser and erases the content of writing, and present blackboard exists following several in the use not enough:

1. the traditional blackboard has large writing area, the content on the blackboard needs to be completely erased during the exchange of two different courses, the erasing and cleaning by the blackboard eraser at present wastes time and labor, and the course progress of the next course can be influenced by forgetting to clean the blackboard during the next course;

2. during English, Chinese and other textbook teaching courses, more blackboard writings are often required to be written on a blackboard, teachers or students need to erase all written contents on the blackboard in the course of lessons, and a large amount of blackboard writings are cleaned by using the blackboard eraser, so that chalk dust is scattered around, the pollution to the environment in a classroom is caused, and the breathing health of the teachers and the students is not good;

3. the existing blackboard eraser cannot be erased completely after being used for a long time, and the blackboard is left with attachments of chalk dust, so that a new blackboard eraser needs to be replaced.

In view of the above, there is a need for a self-cleaning dust-absorbing blackboard that can be automatically cleaned, reduce the scattering of chalk dust during the erasing process, and replace the felt portion of the blackboard eraser to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model solves the problem that the existing blackboard wastes time and labor in the whole wiping process, and further discloses a self-cleaning dust-absorbing blackboard. The following presents a simplified summary of the utility model in order to provide a basic understanding of some aspects of the utility model. It should be understood that this summary is not an exhaustive overview of the utility model. It is not intended to determine the key or critical elements of the present invention, nor is it intended to limit the scope of the present invention.

The technical scheme of the utility model is as follows:

the utility model provides an automatically cleaning dust absorption blackboard, which comprises a mounting bas, first motor, the second motor, the movable rod, cleaning device, the gear shaft, the lead screw, installation slot and slider, both sides are provided with first motor and second motor respectively on the mount pad, be provided with gear shaft and lead screw in the mount pad, the gear shaft rotates to set up in the mount pad and establish with the second motor and be connected, the lead screw rotates to set up in the mount pad and establishes with first motor and be connected, lead screw and slider cooperation installation, slider and installation slot fixed connection, it is provided with the movable rod to slide on the installation slot, be provided with the rack with gear shaft cooperation installation on the movable rod, the movable rod passes the spout of mount pad and arranges, the movable rod is connected with cleaning device, the fixed blackboard that is provided with on the mount pad, cleaning device and the terminal surface contact of blackboard.

Compared with the prior art, the utility model has the advantages that: according to the utility model, the blackboard and the cleaning device are arranged on one mechanism, the cleaning device can move up and down, left and right under the action of the first motor and the second motor, so that the automatic cleaning of the blackboard is realized, the first motor and the first motor are controlled to erase the whole blackboard at the time of course and course alternation, the efficiency is high, manual operation is not needed, time and labor are saved, and meanwhile, the progress of next lesson saving is not influenced.

As an improvement, a screw rod mounting piece is fixedly arranged in the mounting seat, a groove used for placing a screw rod is processed in the screw rod mounting piece, the screw rod is arranged in the groove of the screw rod mounting piece, and the screw rod mounting piece is used for protecting the normal operation of the screw rod and avoiding the rotation of a foreign matter rigid screw rod.

As the improvement, the terminal surface of movable rod is provided with the fixed pin, and cleaning device's back processing has the connecting hole, and cleaning device passes through the connecting hole and is connected on the movable rod with the cooperation of fixed pin, and cleaning device rotates and sets up on the movable rod, adjustable cleaning device's angle, the dismouting of still being convenient for cleaning device and movable rod.

As an improvement, the cleaning device is provided with an installation groove, the blackboard eraser is arranged on the cleaning device through the installation groove, the blackboard eraser is a felt part used for wiping the blackboard, the blackboard eraser is arranged in the installation groove through bonding or clamping, when the blackboard eraser is used for a long time and the wiping effect is poor, the replacement of the felt part of the blackboard eraser is convenient, and the waste of resources is reduced.

As the improvement, be provided with the air exhauster in the cleaning device, the upper and lower bilateral symmetry of mounting groove is provided with the suction opening, is provided with the collection ash box on cleaning device's the lateral wall, and the air exhauster is arranged in collection ash box top, makes the inside negative pressure state that is of cleaning device under the effect of air exhauster, cleans the chalk dust that the blackboard in-process was raised and inhales through the suction opening of upper and lower symmetric arrangement, concentrates at last to collect in collection ash box, reduces and cleans the dust pollution that the blackboard in-process caused, is favorable to teacher and student's breathing healthy.

Drawings

FIG. 1 is a schematic view showing the overall construction of a self-cleaning dust-absorbing blackboard;

FIG. 2 is a schematic view of the internal structure of the mounting base;

FIG. 3 is a schematic view of the cleaning apparatus;

FIG. 4 is a schematic view of the structure of the blackboard eraser mounted on the cleaning device;

figure 5 is a schematic back view of the cleaning apparatus.

In the figure, 1-a mounting seat, 2-a blackboard, 3-a first motor, 4-a second motor, 5-a movable rod, 6-a cleaning device, 7-a chute, 8-a screw rod mounting piece, 9-a gear shaft, 10-a screw rod, 11-a mounting clamping groove, 12-a sliding block, 13-a fixing pin, 14-an ash collecting box, 15-an air suction opening, 16-a mounting groove, 17-a blackboard eraser and 18-a connecting hole.

Detailed Description

In order that the objects, aspects and advantages of the utility model will become more apparent, the utility model will be described by way of example only, and in connection with the accompanying drawings. It should be understood that the description is intended to be exemplary, and not intended to limit the scope of the utility model. In the following description, moreover, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

Embodiment 1, the embodiment is described with reference to fig. 1 to 5, and the self-cleaning dust-absorbing blackboard of this embodiment includes a mounting base 1, a first motor 3, a second motor 4, a movable rod 5, a cleaning device 6, a gear shaft 9, a lead screw 10, a mounting slot 11 and a slider 12, the mounting base 1 is fixedly mounted on a front wall of a classroom, the cleaning device 6 is located at the lower right side of the blackboard 2 when in a non-working state, the blackboard 2 is fixedly mounted on the mounting base 1, when in use, the first motor 3 is started to drive the lead screw 10 inside the mounting base 1 to rotate, the lead screw 10 drives the slider 13 mounted in cooperation therewith to move back and forth when rotating, thereby driving the movable rod 5 inside the mounting slot 11 to move back and forth, at this time, the cleaning device 6 is moved leftwards and rightwards on the blackboard 2 to erase, the second motor 4 is started to drive the gear shaft 9 connected therewith to rotate, the gear shaft 9 is engaged with a rack on the movable rod 5, when the second motor 4 corotation, the movable rod 5 upwards moves under the effect that rack and gear shaft 9 cooperate to use, drive cleaning device 6 along blackboard 2 upwards movement, when the second motor 4 reversal, the movable rod 5 downwards moves under the effect that rack and gear shaft 9 cooperate to use, drive cleaning device 6 along blackboard 2 downwards movement, make cleaning device 6 control on blackboard 2 through controlling first motor 3 and second motor 4, reciprocate and erase, first motor 3 and second motor 4 start up simultaneously can also drive cleaning device 6 along the slash and move, clean blackboard 2 through blackboard eraser 17 on cleaning device 6, cleaning device 6 can make according to the size of blackboard 2 according to a certain proportion, improve the cleaning efficiency of blackboard 2, save the manual work and the time of wiping the blackboard, the more cleanness of blackboard writing can be used to the english teaching.

Embodiment 2, the embodiment is described with reference to fig. 1 to 5, and the self-cleaning dust-absorbing blackboard of this embodiment includes a mounting base 1, a first motor 3, a second motor 4, a movable rod 5, a cleaning device 6, a gear shaft 9, a screw rod 10, a mounting slot 11 and a slider 12, wherein the cleaning device 6 is located at the lower right side of the blackboard 2 in a non-working state, the blackboard 2 is fixedly mounted on the mounting base 1, when in use, the first motor 3 is started to drive the screw rod 10 inside the mounting base 1 to rotate, the screw rod 10 is disposed in a groove of the screw rod mounting member 8, two ends of the screw rod mounting member 8 are fixedly mounted on an inner side wall of the fixing base 1, two ends of the screw rod 10 are rotatably mounted in the screw rod mounting member 8 through bearings, the screw rod mounting member 8 can prevent foreign matters from influencing the rotation of the screw rod 10, the screw rod 10 drives the slider 13 mounted in cooperation therewith to move back and forth when rotating, so as to drive the movable rod 5 in the mounting slot 11 to move back and forth, at the moment, the cleaning device 6 moves leftwards and rightwards on the blackboard 2 to be erased, the second motor 4 is started to drive the gear shaft 9 connected with the second motor to rotate, the gear shaft 9 is meshed with the rack on the movable rod 5, when the second motor 4 rotates forwards, the movable rod 5 moves upwards under the action of the rack matched with the gear shaft 9 to drive the cleaning device 6 to move upwards along the blackboard 2, when the second motor 4 rotates backwards, the movable rod 5 moves downwards under the action of the rack matched with the gear shaft 9 to drive the cleaning device 6 to move downwards along the blackboard 2, the cleaning device 6 is driven to move leftwards and rightwards and upwards and downwards on the blackboard 2 to be erased by controlling the first motor 3 and the second motor 4, the first motor 3 and the second motor 4 are started simultaneously to drive the cleaning device 6 to move along an oblique line, the blackboard 2 is wiped by the blackboard eraser 17 on the cleaning device 6, the cleaning device 6 can be manufactured according to a certain proportion according to the size of the blackboard 2, cleaning device 6 establishes with the fixed pin 13 of movable rod 5 through the connecting hole 18 of back processing and is connected, can manual adjustment cleaning device 6's installation angle, can suitably rotate cleaning device 6 and make cleaning device 6 horizontal, vertically or be certain inclination and install on movable rod 5, be favorable to cleaning blackboard 2, the dismouting between cleaning device 6 and the movable rod 5 of also being convenient for, first motor 3 and second motor 4 adopt low-noise small-size motor, reduce the noise that the motor produced to the influence of learning environment in the classroom.

Embodiment 3, the embodiment is described with reference to fig. 1 to 5, in the self-cleaning dust-absorbing blackboard of this embodiment, a mounting groove 16 for mounting a blackboard eraser 17 is provided on the cleaning device 6, a buckle is provided in the mounting groove 16, the blackboard eraser 17 can be clamped in the mounting groove 16 by the buckle, the blackboard eraser 17 can also be bonded in the mounting groove 16 by a double-sided adhesive, suction ports 15 are symmetrically provided on the upper and lower sides of the mounting groove 16, a dust-absorbing cavity is provided in the cleaning device 6, an exhaust fan is fixedly provided in the cleaning device 6, the exhaust fan is a small-sized exhaust fan, the exhaust fan can be fixed on the inner wall of the cleaning device 6 by a fixing frame or by welding, the exhaust fan is started to make the interior of the cleaning device 6 in a negative pressure state, during the process of cleaning the blackboard 2 by the blackboard eraser 16, dust raised by chalk is sucked through the suction ports 15, and the dust-collecting box 14 inserted in the side wall of the cleaning device 6 collects chalk dust, the dust in the dust collecting box 14 can be cleaned regularly, the influence of dust raised in the process of cleaning the blackboard on the environment in a classroom is reduced, and the self-cleaning dust collection effect of the blackboard is realized by combining the effects of the first motor 3 and the second motor 4.

The present embodiment is only illustrative of the patent and does not limit the scope of protection thereof, and those skilled in the art can make modifications to the part thereof without departing from the spirit of the patent.

Claims

1. A self-cleaning dust-absorbing blackboard is characterized in that: comprises a mounting seat (1), a first motor (3), a second motor (4), a movable rod (5), a cleaning device (6), a gear shaft (9), a screw rod (10), a mounting clamping groove (11) and a sliding block (12), wherein the first motor (3) and the second motor (4) are respectively arranged on two sides of the mounting seat (1), the gear shaft (9) and the screw rod (10) are arranged in the mounting seat (1), the gear shaft (9) is rotatably arranged in the mounting seat (1) and is connected with the second motor (4), the screw rod (10) is rotatably arranged in the mounting seat (1) and is connected with the first motor (3), the screw rod (10) is matched with the sliding block (12), the sliding block (12) is fixedly connected with the mounting clamping groove (11), the movable rod (5) is slidably arranged on the mounting clamping groove (11), a rack matched with the gear shaft (9) is arranged on the movable rod (5), the movable rod (5) penetrates through a sliding groove (7) of the mounting seat (1) to be arranged, the movable rod (5) is connected with the cleaning device (6), the blackboard (2) is fixedly arranged on the mounting seat (1), and the cleaning device (6) is in contact with the end face of the blackboard (2).

2. A self-cleaning suction blackboard according to claim 1, characterised in that: the mounting seat (1) is internally fixedly provided with a screw rod mounting piece (8), a groove for placing a screw rod (10) is machined in the screw rod mounting piece (8), and the screw rod (10) is arranged in the groove of the screw rod mounting piece (8).

3. A self-cleaning suction blackboard according to claim 2, characterised in that: the end face of the movable rod (5) is provided with a fixing pin (13), a connecting hole (18) is processed in the back of the cleaning device (6), and the cleaning device (6) is connected to the movable rod (5) through the matching of the connecting hole (18) and the fixing pin (13).

4. A self-cleaning suction blackboard according to claim 1 or 3, characterised in that: the cleaning device (6) is provided with an installation groove (16), and the blackboard eraser (17) is arranged on the cleaning device (6) through the installation groove (16).

5. A self-cleaning suction blackboard according to claim 4, characterised in that: an exhaust fan is arranged in the cleaning device (6), the upper side and the lower side of the mounting groove (16) are symmetrically provided with exhaust openings (15), an ash collecting box (14) is arranged on the side wall of the cleaning device (6), and the exhaust fan is arranged above the ash collecting box (14).