CN219903872U

CN219903872U - Writing board convenient to fold and store

Info

Publication number: CN219903872U
Application number: CN202320490876.3U
Authority: CN
Inventors: 肖令; 李响
Original assignee: Sichuan Shengtao Education Technology Development Co ltd
Current assignee: Sichuan Shengtao Education Technology Development Co ltd
Priority date: 2023-03-15
Filing date: 2023-03-15
Publication date: 2023-10-27
Anticipated expiration: 2033-03-15

Abstract

The utility model discloses a writing board convenient for folding and storage, which comprises: the device comprises a base for bearing limit, a shell rotationally connected with the inner side of the upper end of the base, a worm wheel fixedly connected with the right side of the shell and a connecting block fixedly connected with the rear side of the lower end of the outer shell; further comprises: the lower surface of the outer end of the base is provided with a movable wheel fixed with the movable wheel through screws, and the front view of the base is U-shaped; the inner sides of the front end and the rear end of the shell are respectively provided with a white board and a green board in a laminating way, and the outer side area size of the white board and the green board is larger than the inner side area size of the front end and the rear end of the shell; the lower side meshing of worm wheel is connected with the worm, and the downside block of worm is not detachably connected with the fixed plate. This clipboard convenient to fold and accomodate, convenient to use person writes and uses, is convenient for overturn, reaches the purpose of accomodating this clipboard fold to and be convenient for adsorb the dust that the chalk produced of writing and collect and clear up, reduce the harm to the health of human body.

Description

Writing board convenient to fold and store

Technical Field

The utility model relates to the technical field of education, in particular to a writing board convenient to fold and store.

Background

The writing board is a plane which can be repeatedly written by chalk, is widely used in education and teaching of schools, companies and training institutions, and is used for writing, matching and explaining and demonstrating, so that a learner can clearly understand the writing board, scientific cultural knowledge and skills of the learner can be improved, quality of the learner can be improved, and the like.

However, the existing writing board can only write with water-based erasable pen or chalk, and the user has the problems of inconvenient placement of water-based erasable pen and chalk, inconvenient folding and storage, large occupied space, and easy flying of dust generated by chalk writing, which damages the health of people, so we propose a writing board convenient for folding and storage, so as to solve the problems mentioned in the above.

Disclosure of Invention

The utility model aims to provide a writing board convenient to fold and store, which solves the problems that the prior writing board in the background technology can only write by an aqueous erasable pen or chalk, a user has the problem of inconvenient placement of the aqueous erasable pen and the chalk, the folding and the storing are inconvenient, the occupied space is large, dust generated by chalk writing is easy to fly, and the physical health of people is damaged.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a writing board convenient for folding and storing, comprising: the device comprises a base for bearing limit, a shell rotationally connected with the inner side of the upper end of the base, a worm wheel fixedly connected with the right side of the shell and a connecting block fixedly connected with the rear side of the lower end of the outer shell;

further comprises:

the lower surface of the outer end of the base is provided with a movable wheel fixed with the movable wheel through screws, and the front view of the base is U-shaped;

the inner sides of the front end and the rear end of the shell are respectively provided with a white board and a green board in a laminating way, and the outer side area size of the white board and the green board is larger than the inner side area size of the front end and the rear end of the shell;

the lower side of the worm wheel is connected with a worm in a meshed manner, and the lower side of the worm is clamped and is not detachably connected with a fixing plate;

the connecting block is symmetrically arranged about the shell, and electrostatic dust removal rods are nested and installed on the inner side of the connecting block.

Preferably, the worm is located on the right side of the upper end of the base, the fixing plate is fixedly connected with the base, the inner side of the upper end of the base is provided with a storage plate fixedly connected with the shell, and the side section of the storage plate is of a T-shaped structure.

Preferably, the outer side of the upper end of the base is fixedly connected with symmetrically arranged storage plates, and the lower side of the middle part of the base is provided with batteries in a fitting way;

the battery is characterized in that a supporting plate is arranged on the outer side of the battery in a nested and attached mode, and the supporting plate is fixedly connected with the base through screws.

Preferably, the upper surfaces of the left end and the right end of the electrostatic dust removal rod are respectively provided with a limiting block in a lamination mode, and the rear ends of the limiting blocks are connected with the connecting blocks in a damping rotation mode.

Compared with the prior art, the utility model has the beneficial effects that: the writing board convenient to fold and store is convenient for a user to write and use, is convenient to turn over, achieves the purpose of folding and storing the writing board, is convenient for adsorbing, collecting and cleaning dust generated by chalk writing, and reduces the damage to human health;

1. the writing board is provided with a base, a shell, a white board and a green board, wherein the outer side of the upper end of the base is fixedly connected with symmetrically arranged storage boards, the white board and the green board are respectively attached to the inner sides of the front end and the rear end of the shell, and the storage boards are fixedly connected to the lower side of the middle of the shell, so that a user can write and use the writing board conveniently;

2. the writing board is provided with the shell, the worm wheel, the worm and the fixed plate, and the shell is rotationally connected with the base, the worm wheel is fixedly connected to the right side of the shell, the worm is connected to the lower part of the worm wheel in a meshed manner, and the worm is in clamping and non-detachable connection with the fixed plate fixed on the base, so that the shell is conveniently turned over, and the purpose of folding and storing the writing board is achieved;

3. be provided with battery, backup pad, connecting block and electrostatic precipitator stick, because the middle part downside of base is provided with the battery that the backup pad was accepted, the rear below of whiteboard is provided with electrostatic precipitator stick, and the nested laminating in both ends outside about the electrostatic precipitator stick has the connecting block fixed with the shell, and both ends upside laminating about the electrostatic precipitator stick is provided with the stopper of being connected with the connecting block damping rotation, consequently is convenient for adsorb the dust that the chalk produced and collect and clear up, reduces the harm to human health.

Drawings

FIG. 1 is a schematic elevational view of the present utility model;

FIG. 2 is a schematic top view of the present utility model;

FIG. 3 is a right side schematic view of the present utility model;

FIG. 4 is a schematic view of the left side cross-sectional structure of the connection between the storage plate and the housing of the present utility model.

In the figure: 1. a base; 2. a moving wheel; 3. a housing; 4. a whiteboard; 5. a green plate; 6. a worm wheel; 7. a worm; 8. a fixing plate; 9. a storage plate; 10. a storage plate; 11. a battery; 12. a support plate; 13. a connecting block; 14. an electrostatic dust removal rod; 15. and a limiting block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: when the writing board convenient to fold and store is used, as shown in fig. 1, 2 and 4, firstly, the fixed moving wheel 2 can be installed through the screw on the lower surface of the outer end of the base 1, the writing board is moved to a position to be used, then a user takes water-based erasable pen or chalk from the storage board 10 symmetrically fixed on the outer side of the upper end of the base 1, the inner sides of the front end and the rear end of the inner side of the outer shell 3 are respectively attached to the white board 4 and the green board 5 for writing, and in the explanation process after writing, the used water-based erasable pen or chalk can be directly placed in the storage board 9 fixedly connected with the lower side of the middle part of the outer shell 3 for the user to write and use;

as shown in fig. 1, 2 and 3, in the writing board or after the writing board is used, the worm 7 which is in non-detachable connection is clamped in the rotatable fixing plate 8, and as the worm 7 is connected with the worm wheel 6 fixed with the casing 3 in a meshed manner, the casing 3 is in rotary connection with the base 1, the worm wheel 6 can conveniently drive the casing 3 to turn under the limit of the base 1 through the rotation of the worm 7, the angle of the casing 3 is adjusted, the purposes of writing and watching the whiteboard 4 and the green board 5 are achieved, and the purposes of folding and storing the writing board and reducing the occupied space are conveniently achieved;

as shown in fig. 1, fig. 2 and fig. 4, and in the process of writing using chalk, the battery 11 received by the support plate 12 through the lower side of the middle part of the base 1 is used for electrifying the electrostatic dust removing rod 14 nested in the connecting block 13 at the rear lower part of the whiteboard 4, so that the electrostatic dust removing rod 14 is operated to absorb and collect dust generated by the chalk writing, thereby being convenient for reducing the damage of the dust to the health of a human body, after the battery 11 and the electrostatic dust removing rod 14 are used for a long time, the screw fixation of the support plate 12 and the base 1 can be disconnected, so as to repair and replace the battery 11, the limit block 15 connected in a damping way after the connecting block 13 can be rotated, and the limit block 15 is disconnected to limit the joint of the connecting block 13, so that the electrostatic dust removing rod 14 is taken out from the connecting block 13 for repair and replacement, so that the service life is long, and all the contained electrical elements are in the prior art and are not detailed.

The details not described in detail in the specification belong to the prior art known to the person skilled in the art, standard parts used in the utility model can be purchased from market, special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of all parts adopt conventional means such as mature bolts, rivets and welding in the prior art, the machinery, the parts and the equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection modes in the prior art, so that the details not described in detail in the specification belong to the prior art known to the person skilled in the art.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. A writing board convenient for folding and storing, comprising: the device comprises a base (1) for bearing limit, a shell (3) rotationally connected with the inner side of the upper end of the base (1), a worm wheel (6) fixedly connected with the right side of the shell (3) and a connecting block (13) fixedly connected with the rear side of the outer lower end of the shell (3);

characterized by further comprising:

the lower surface of the outer end of the base (1) is provided with a movable wheel (2) fixed with the movable wheel by a screw, and the front view of the base (1) is U-shaped;

the inner sides of the front end and the rear end of the shell (3) are respectively provided with a white board (4) and a green board (5) in a fitting mode, and the outer side area size of the white board (4) and the green board (5) is larger than the inner side area size of the front end and the rear end of the shell (3);

the lower side of the worm wheel (6) is connected with a worm (7) in a meshed manner, and the lower side of the worm (7) is clamped and is not detachably connected with a fixing plate (8);

the connecting blocks (13) are symmetrically arranged relative to the shell (3), and electrostatic dust removal rods (14) are nested and arranged on the inner sides of the connecting blocks (13).

2. A writing board for facilitating folding and storage as defined in claim 1, wherein: the worm (7) is located on the right side of the upper end of the base (1), the fixing plate (8) is fixedly connected with the base (1), the object placing plate (9) fixedly connected with the shell (3) is arranged on the inner side of the upper end of the base (1), and the side section of the object placing plate (9) is of a T-shaped structure.

3. A writing board for facilitating folding and storage as defined in claim 1, wherein: the outer side of the upper end of the base (1) is fixedly connected with symmetrically arranged storage plates (10), and a battery (11) is attached to the lower side of the middle of the base (1);

the battery is characterized in that a supporting plate (12) is arranged on the outer side of the battery (11) in a nested and attached mode, and the supporting plate (12) is fixedly connected with the base (1) through bolts.

4. A writing board for facilitating folding and storage as defined in claim 1, wherein: limiting blocks (15) are respectively arranged on the upper surfaces of the left end and the right end of the electrostatic dust removal rod (14) in a fitting mode, and the rear ends of the limiting blocks (15) are connected with the connecting blocks (13) in a damping rotation mode.