CN112895771A

CN112895771A - Blackboard with automatic blackboard eraser

Info

Publication number: CN112895771A
Application number: CN202110343175.2A
Authority: CN
Inventors: 吴佳和
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-03-30
Filing date: 2021-03-30
Publication date: 2021-06-04
Anticipated expiration: 2041-03-30
Also published as: CN112895771B

Abstract

The invention relates to a blackboard with an automatic blackboard eraser, which comprises a blackboard body and a blackboard eraser, wherein one side of the blackboard body is provided with a lifting device used for lifting the blackboard eraser, the blackboard eraser comprises a shell and a wiping piece, the shell is arranged in a hollow manner, the shell comprises a containing cavity used for containing a first suction device and a collecting cavity used for containing dust, a filter screen is arranged between the containing cavity and the collecting cavity, the wiping piece is arranged on one side of the shell corresponding to the blackboard body, the shell is detachably connected with the wiping piece, the collecting cavity is provided with a suction inlet, the suction inlet and the wiping piece are arranged on the same side, the blackboard eraser and the lifting device can rotate relatively, and the lower end of the blackboard body. By adopting the technical scheme, the lifting device is arranged to automatically control the blackboard eraser to slide up and down, and the lifting device is controlled to erase any position of the blackboard, so that the blackboard eraser is convenient, labor-saving and safer; the first suction device is arranged to reduce pollution and protect the health of teachers and front-row students.

Description

Blackboard with automatic blackboard eraser

Technical Field

The invention belongs to the field of teaching facility tools, and particularly relates to a blackboard with an automatic blackboard eraser.

Background

The blackboard and the blackboard eraser are indispensable teaching tools in teaching work, and the blackboard eraser can be used for erasing writing on the blackboard and repeatedly writing and erasing on the blackboard.

When the existing blackboard eraser is used for erasing a blackboard, dust flies everywhere, the environment is polluted, the body health and the disadvantages of students and teachers are caused by long-term dust suction, even the occupational diseases of the teachers are caused, and the use of the existing blackboard eraser wastes time and labor, has low efficiency and harms the body health; meanwhile, middle and primary school students or other students with relatively delicate height cannot erase the high blackboard, and need to use a stool and a chair, so that the safety is avoided, and the time waste is caused.

Disclosure of Invention

In summary, in order to overcome the defects of the prior art, the invention provides a blackboard with an automatic blackboard eraser.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a blackboard with automatic blackboard eraser, includes blackboard body and blackboard eraser, blackboard body one side is provided with the elevating gear who is used for making the blackboard eraser go up and down, the blackboard eraser includes the casing and cleans the piece, casing cavity sets up, the casing is including the collection chamber that holds the chamber and be used for holding the dust that is used for holding first suction device, it is provided with the filter screen to hold the chamber and collect between the chamber, clean the piece set up in the casing corresponds one side of blackboard body, the connection can be dismantled with the piece of cleaning to the casing, it is provided with the sunction inlet to collect the chamber, the sunction inlet with clean the piece and set up in the homonymy, the blackboard eraser with but relative rotation between the elevating gear, blackboard body lower extreme is provided with.

By adopting the technical scheme, the lifting device is arranged to automatically control the blackboard eraser to slide up and down along the blackboard body, and students can erase any position of the blackboard by controlling the lifting device, so that the blackboard eraser is convenient, labor-saving and safer; meanwhile, the first suction device is arranged in the blackboard eraser, when the eraser wipes the blackboard body, the first suction device works, dust scattered in the air is further sucked into the collection cavity, pollution is reduced, and the health of teachers and front-row students is protected; set up collection device, when the blackboard eraser removed to blackboard body lower extreme, rotated the casing for the attraction mouth is down, and the dust of collecting the intracavity falls into collection device along with gravity in, then makes the casing reset, easy operation, convenient to use.

The invention further provides that: the collecting device comprises a collecting table arranged at the lower end of the blackboard body, a collecting hole and a collecting groove are formed in the upper portion of the collecting table, the collecting groove is matched with the suction inlet, the lower portion of the collecting table is hollow, a pull-type collecting box is arranged below the collecting table, a second suction device used for providing suction is arranged on one side of the collecting box, the collecting box corresponds to one side of the second suction device and is provided with a suction port, and the suction port is provided with a filter screen.

Through adopting above-mentioned technical scheme, the dust on the wiper is drawn through collecting the hole to the second aspirator, absorbs the dust of collecting the intracavity through the collecting vat, guarantees the clean blackboard eraser repeatedly usable of making of blackboard eraser as far as possible, and is more laborsaving, collects the under-the-table and sets up the collection box, conveniently collects the dust, and the clearance is changed, adopts the pull formula, then more convenient the change.

The invention further provides that: the filter screen material includes cotton and nylon, be provided with on the filter screen and glue the portion of gluing.

Through adopting above-mentioned technical scheme, set up and glue the portion, the filter screen is removable, and the filter screen material includes cotton and nylon, improves the adsorption to the dust, avoids the dust to pass through the filter screen and gets into the aspirator.

The invention further provides that: the lifting device comprises a screw rod lifting mechanism and a connecting rod, a mounting groove matched with the connecting rod is formed in the shell, one end of the connecting rod is connected with the screw rod lifting mechanism, the other end of the connecting rod is inserted into the mounting groove, and the shell is opposite to the other end of the connecting rod and is provided with a rotating mechanism used for controlling the shell to rotate.

Through adopting above-mentioned technical scheme, lead screw elevating system drives the connecting rod and reciprocates, and the casing is inserted and is located the connecting rod outer and drive the wiper and slide on blackboard body, and when the blackboard eraser slides to collecting the platform top, slewing mechanism drives the casing and rotates, makes to attract mouthful from orientation blackboard body to orientation collecting vat, will collect the dust of intracavity and empty out, and whole mechanical operation need not the manpower, and it is laborsaving to save trouble, avoids student and mr to suffer the harm of dust simultaneously.

The invention further provides that: and the screw rod lifting mechanism and the rotating mechanism are respectively provided with a signal processor, and the signal processors are in signal connection with a remote controller.

Through adopting above-mentioned technical scheme, the user can remote control, and it is more convenient to use, avoids the dust in the suction air simultaneously.

The invention further provides that: one side of the wiping piece corresponding to the shell is provided with a pasting part, and the wiping piece is adhered to the shell.

By adopting the technical scheme, the wiping piece can be detached, replaced and cleaned, and the use is more convenient.

The following describes embodiments of the present invention with reference to the drawings and examples.

Drawings

FIG. 1 is a block diagram of an embodiment of the present invention;

FIG. 2 is a cross-sectional view of an embodiment of the present invention;

FIG. 3 is a block diagram of a blackboard eraser according to an embodiment of the present invention;

fig. 4 is a cross-sectional view of a blackboard eraser according to an embodiment of the present invention;

reference numerals: 1. the blackboard eraser comprises a blackboard body, 2 parts of a blackboard eraser, 21 parts of a shell, 211 parts of an accommodating cavity, 212 parts of a collecting cavity, 213 parts of a suction inlet, 214 parts of an installation groove, 22 parts of a wiping piece, 3 parts of a lifting device, 31 parts of a screw rod lifting mechanism, 32 parts of a connecting rod, 4 parts of a collecting device, 41 parts of a collecting table, 411 parts of a collecting hole, 412 parts of a collecting tank, 42 parts of a collecting box and 5 parts of a rotating mechanism.

Detailed Description

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Referring to fig. 1-4, the blackboard with an automatic blackboard eraser disclosed in this embodiment includes a blackboard body 1 and a blackboard eraser 2, one side of the blackboard body 1 is provided with a lifting device 3 for lifting the blackboard eraser 2, the blackboard eraser 2 comprises a shell 21 and a wiping piece 22, the housing 21 is hollow, the housing 21 comprises a containing cavity 211 for containing the first suction device and a collecting cavity 212 for containing the dust, a filter screen is arranged between the containing cavity 211 and the collecting cavity 212, the wiping piece 22 is arranged at one side of the shell 21 corresponding to the blackboard body 1, the housing 21 and the wiper 22 are detachably connected, the collection chamber 212 is provided with a suction port 213, the suction inlet 213 and the wiping part 22 are arranged on the same side, the blackboard eraser 2 and the lifting device 3 can rotate relatively, and the collecting device 4 for collecting dust is arranged at the lower end of the blackboard body 1.

The embodiment further provides that: the collecting device 4 comprises a collecting table 41 arranged at the lower end of the blackboard body 1, a collecting hole 411 and a collecting groove 412 are formed above the collecting table 41, the collecting groove 412 is matched with the suction inlet 213, the lower part of the collecting table 41 is hollow, a drawing type collecting box 42 is arranged below the collecting table 41, a second suction apparatus used for providing suction is arranged on one side of the collecting box 42, the collecting box 42 corresponds to one side of the second suction apparatus and is provided with a suction port, and the suction port is provided with a filter screen.

The embodiment further provides that: the filter screen material includes cotton and nylon, be provided with on the filter screen and glue the portion of gluing.

The embodiment further provides that: the lifting device 3 comprises a screw rod lifting mechanism 31 and a connecting rod 32, a mounting groove 214 matched with the connecting rod 32 is formed in the shell 21, one end of the connecting rod 32 is connected with the screw rod lifting mechanism 31, the other end of the connecting rod is inserted into the mounting groove 214, and the shell 21 is opposite to the rotating mechanism 5 used for controlling the rotation of the shell 21 and arranged at the other end of the connecting rod 32.

The embodiment further provides that: and the screw rod lifting mechanism 31 and the rotating mechanism 5 are respectively provided with a signal processor, and the signal processors are in signal connection with a remote controller.

The embodiment further provides that: one side of the wiping piece 22 corresponding to the shell 21 is provided with an adhering part, and the wiping piece 22 is adhered to the shell 21.

The above-mentioned "between" does not only mean between the orientation and the position, but also means between the interaction of the different parts, and the above-mentioned "upper and lower" are described relatively to each other for the convenience of description and understanding, without excluding the use of other possibilities.

Although the terms of the blackboard body 1, the blackboard eraser 2, the housing 21, the accommodating chamber 211, the collecting chamber 212, the suction port 213, the mounting groove 214, the wiper 22, the elevating device 3, the lead screw elevating mechanism 31, the connecting rod 32, the collecting device 4, the collecting table 41, the collecting hole 411, the collecting

grooves

412, 42, the collecting box 42, the rotating mechanism 5, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.

Claims

1. The utility model provides a blackboard with automatic blackboard eraser which characterized in that: including blackboard body and blackboard eraser, blackboard body one side is provided with the elevating gear who is used for making the blackboard eraser go up and down, the blackboard eraser includes the casing and cleans the piece, casing cavity sets up, the casing is including the collection chamber that holds the chamber that is used for holding first suction device and is used for holding the dust, hold the chamber and collect and be provided with the filter screen between the chamber, clean the piece set up in the casing corresponds one side of blackboard body, the connection can be dismantled with the piece of cleaning to the casing, it is provided with the sunction inlet to collect the chamber, the sunction inlet with clean the piece and set up in the homonymy, the blackboard eraser with can rotate relatively between the elevating gear, blackboard body lower extreme is provided with the collection device who.

2. The blackboard with automatic blackboard eraser according to claim 1, characterized in that: the collecting device comprises a collecting table arranged at the lower end of the blackboard body, a collecting hole and a collecting groove are formed in the upper portion of the collecting table, the collecting groove is matched with the suction inlet, the lower portion of the collecting table is hollow, a pull-type collecting box is arranged below the collecting table, a second suction device used for providing suction is arranged on one side of the collecting box, the collecting box corresponds to one side of the second suction device and is provided with a suction port, and the suction port is provided with a filter screen.

3. The blackboard with automatic blackboard eraser according to claim 2, characterized in that: the filter screen material includes cotton and nylon, be provided with on the filter screen and glue the portion of gluing.

4. The blackboard with automatic blackboard eraser according to claim 1, characterized in that: the lifting device comprises a screw rod lifting mechanism and a connecting rod, a mounting groove matched with the connecting rod is formed in the shell, one end of the connecting rod is connected with the screw rod lifting mechanism, the other end of the connecting rod is inserted into the mounting groove, and the shell is opposite to the other end of the connecting rod and is provided with a rotating mechanism used for controlling the shell to rotate.

5. The blackboard with automatic blackboard eraser according to claim 4, characterized in that: and the screw rod lifting mechanism and the rotating mechanism are respectively provided with a signal processor, and the signal processors are in signal connection with a remote controller.

6. The blackboard with automatic blackboard eraser according to claim 1, characterized in that: one side of the wiping piece corresponding to the shell is provided with a pasting part, and the wiping piece is adhered to the shell.