CN218858025U

CN218858025U - Novel dustproof blackboard

Info

Publication number: CN218858025U
Application number: CN202222436827.XU
Authority: CN
Inventors: 金文亮
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-09-14
Filing date: 2022-09-14
Publication date: 2023-04-14
Anticipated expiration: 2032-09-14

Abstract

The utility model relates to a new-type blackboard prevents dust, including blackboard body, blackboard body's top fixedly connected with mounting panel, blackboard body's bottom fixedly connected with base, be provided with the clearance subassembly on the mounting panel, the top of base is connected with two sets of transparent plastic boards through the slip subassembly, the clearance subassembly is including the extension board, extension board fixed connection is in the bottom of mounting panel, it is connected with the threaded rod to rotate on the right side wall of extension board, fixedly connected with connecting rod on the right side wall of base. Through being provided with the clearance subassembly, the bull stick of downside drive wheel is waved to the manual work for two sets of drive wheels pass through the drive belt and rotate, and this threaded rod rotates, thereby makes the connecting plate remove about, drives the clearance board and supports to close on blackboard body's preceding lateral wall, can make the connecting plate remove to blackboard body's preceding lateral wall when removing about.

Description

Novel dustproof blackboard

Technical Field

The utility model relates to a blackboard technical field especially relates to a new-type blackboard prevents dust.

Background

The blackboard is not particularly a black board, is a plane which can be repeatedly written by chalk in the traditional sense, is hard, and is mainly used for teaching. The blackboard is generally made of wood board or ground glass, and can be written on by using specific writing materials such as chalk. Mostly black, greenish black, white or beige.

At present, local cleaning is usually carried out manually when a blackboard is cleaned, the cleaning is inconvenient, the dustproof function is not realized, the influence on the health of people can be caused, and a novel dustproof novel blackboard is designed for solving the problem.

SUMMERY OF THE UTILITY MODEL

The utility model provides a new-type blackboard prevents dust has solved the technical problem among the prior art.

The utility model provides a scheme as follows of above-mentioned technical problem: the utility model provides a new-type blackboard prevents dust, includes blackboard body, blackboard body's top fixedly connected with mounting panel, blackboard body's bottom fixedly connected with base, be provided with the clearance subassembly on the mounting panel, the top of base is connected with two sets of transparent plastic boards through sliding assembly, the clearance subassembly is including the extension board, extension board fixed connection is in the bottom of mounting panel, it is connected with the threaded rod to rotate on the right side wall of extension board, fixedly connected with connecting rod on the right side wall of base, the surface of threaded rod and the right-hand member of connecting rod all are provided with the drive wheel, and are two sets of the transmission is connected with the drive belt between the drive wheel, the surface threaded connection of threaded rod has the threaded connection piece, the lower extreme fixedly connected with connecting plate of threaded connection piece, be connected with the clearance board through the extrusion subassembly on the rear side wall of connecting plate.

On the basis of the technical scheme, the utility model discloses can also do following improvement.

Furthermore, the sliding assembly comprises two sets of T-shaped sliding blocks, the two sets of T-shaped sliding blocks are fixedly connected to the bottoms of the two sets of transparent plastic plates respectively, T-shaped sliding grooves matched with the two sets of T-shaped sliding blocks are formed in the top of the base, and the two sets of T-shaped sliding blocks are connected to the two sets of T-shaped sliding grooves in a sliding mode.

Further, the extrusion subassembly is including the sleeve, the inserted bar is connected to the sleeve in, be provided with the spring between inserted bar and the sleeve inner wall, telescopic front end fixed connection is on the rear side wall, the rear end fixed connection of inserted bar is at the front end of clearance board.

Further, the upside drive wheel fixed connection is at the surface of threaded rod, the downside the drive wheel rotates to be connected at the right-hand member of connecting rod, the upper end fixedly connected with stopper of threaded connection piece, and the bottom of mounting panel set up with stopper matched with spacing groove, stopper sliding connection is at the spacing inslot.

Furthermore, the left side and the right side of the blackboard body are both provided with dust screens.

Furthermore, the two groups of transparent plastic plates have the same size, and one sides of the two groups of transparent plastic plates close to each other are provided with magnetic absorption layers.

Furthermore, the top of the base is provided with a dust storage groove which is a chute with a narrow top and a wide bottom, and the left end of the dust storage groove is connected with a cover.

Furthermore, the sum of the lengths of the two groups of transparent plastic plates is matched with the length of the blackboard body.

Further, the distance between the two groups of transparent plastic plates and the blackboard body is twenty centimeters.

Further, a cover plate is placed on the right side of the blackboard body.

The utility model has the advantages that: the utility model provides a dustproof new-type blackboard has following advantage:

1. through the arrangement of the cleaning assembly, the rotating rods of the lower side transmission wheels are manually shaken to enable the two groups of transmission wheels to rotate through the transmission belts, the threaded rods rotate, so that the connecting plate moves left and right, the cleaning plate is driven to abut against the front side wall of the blackboard body, and the front side wall of the blackboard body can be cleaned while the connecting plate moves left and right;

2. through being provided with the slip subassembly, when clearing up blackboard body, two sets of transparent plastic boards that slide are close to the centre, inhale the layer through two sets of magnetism and are connected the back, can play dirt-proof effect to the people when clearing up blackboard body, and can write on two sets of transparent plastic boards, have improved the practicality.

The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings. The following examples and the accompanying drawings illustrate specific embodiments of the present invention.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:

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

FIG. 2 is a partial view of FIG. 1 according to the present invention;

FIG. 3 is a partial view of FIG. 2 in accordance with the present invention;

fig. 4 is a schematic structural view of the cover plate of the present invention.

In the drawings, the reference numbers indicate the following list of parts:

1. a blackboard body; 2. mounting a plate; 211. an extension plate; 212. a threaded rod; 213. a connecting rod; 214. a driving wheel; 215. a transmission belt; 216. a threaded connection block; 217. a limiting block; 218. a limiting groove; 219. a connecting plate; 220. an extrusion assembly; 221. cleaning the plate; 3. a base; 4. a transparent plastic plate; 41. a T-shaped slider; 42. a T-shaped chute; 43. an ash storage tank; 44. a cover; 5. a dust screen; 6. and a cover plate.

Detailed Description

The principles and features of the present invention are described below in conjunction with the accompanying fig. 1-4, the examples given are intended to illustrate the present invention and are not intended to limit the scope of the invention. The invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become more fully apparent from the following description and appended claims. It should be noted that the drawings are in simplified form and are not to precise scale, and are provided for convenience and clarity in order to facilitate the description of the embodiments of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1-4, the utility model provides a dustproof new-type blackboard, including blackboard body 1, blackboard body 1's top fixedly connected with mounting panel 2, blackboard body 1's bottom fixedly connected with base 3, be provided with the clearance subassembly on the mounting panel 2, base 3's top is connected with two sets of transparent plastic board 4 through sliding assembly, the clearance subassembly includes extension board 211, extension board 211 fixed connection is in mounting panel 2's bottom, it is connected with threaded rod 212 to rotate on extension board 211's the right side wall, fixedly connected with connecting rod 213 on base 3's the right side wall, the surface of threaded rod 212 and the right-hand member of connecting rod 213 all are provided with drive wheel 214, the transmission is connected with drive belt 215 between two sets of drive wheels 214, the surface threaded connection of threaded rod 212 has threaded connection piece 216, threaded connection piece 216's lower extreme fixedly connected with connecting plate 219, be connected with clearance board 221 through extrusion subassembly 220 on connecting plate 219's the rear side wall. During operation, the rotating rods of the lower side transmission wheels 214 are manually rotated, so that the two groups of transmission wheels 214 rotate through the transmission belt 215, the threaded rod 212 rotates, the connecting plate 219 moves left and right, the cleaning plate 221 is driven to abut against the front side wall of the blackboard body 1, and the connecting plate 219 can move left and right while the front side wall of the blackboard body 1 is cleaned.

Preferably, the sliding assembly comprises two sets of T-shaped sliding blocks 41, the two sets of T-shaped sliding blocks 41 are respectively and fixedly connected to the bottoms of the two sets of transparent plastic plates 4, T-shaped sliding grooves 42 matched with the two sets of T-shaped sliding blocks 41 are formed in the top of the base 3, and the two sets of T-shaped sliding blocks 41 are all in sliding connection in the two sets of T-shaped sliding grooves 42. The during operation, when clearing up blackboard body 1, two sets of transparent plastic boards 4 that slide are close to the centre, inhale the layer through two sets of magnetism and be connected the back, can play dirt-proof effect to the people when clearing up blackboard body 1, and can write on two sets of transparent plastic boards 4, have improved the practicality.

Preferably, the squeezing assembly 220 includes a sleeve, a rod is connected in the sleeve, a spring is arranged between the rod and the inner wall of the sleeve, the front end of the sleeve is fixedly connected to the rear side wall of the connecting plate 219, and the rear end of the rod is fixedly connected to the front end of the cleaning plate 221. During operation, the spring is extruded in the sleeve through the inserted bar, so that the cleaning plate 221 is abutted to the front side wall of the blackboard body 1, and the cleaning effect is improved.

Preferably, the upper side driving wheel 214 is fixedly connected to the outer surface of the threaded rod 212, the lower side driving wheel 214 is rotatably connected to the right end of the connecting rod 213, the upper end of the threaded connecting block 216 is fixedly connected with a limiting block 217, a limiting groove 218 matched with the limiting block 217 is formed in the bottom of the mounting plate 2, and the limiting block 217 is slidably connected in the limiting groove 218. When the device works, the limiting block 217 is connected in the limiting groove 218 in a sliding mode, and the limiting function can be achieved.

Preferably, dust screens 5 are arranged on the left and right sides of the blackboard body 1. During operation, the two sets of dust screens 5 are arranged, so that the dust-proof effect can be further improved.

Preferably, the two sets of transparent plastic plates 4 have the same size, and the magnetic absorption layers are arranged on the sides, close to each other, of the two sets of transparent plastic plates 4. When in work, the two groups of transparent plastic plates 4 can be connected by arranging the magnetic absorption layer.

Preferably, the top of the base 3 is provided with a dust storage groove 43, the dust storage groove 43 is a chute with a narrow top and a wide bottom, and the left end of the dust storage groove 43 is connected with a cover 44. In operation, by providing the dust storage groove 43, the dust falling down can be collected and cleaned when the cleaning plate 29 is cleaned, and then the dust can be discharged by opening the cover 44.

Preferably, the sum of the lengths of the two sets of transparent plastic plates 4 matches the length of the blackboard body 1. When the blackboard eraser works, the blackboard body 1 can be completely shielded when the two groups of transparent plastic plates 4 are connected.

Preferably, the distance between the two groups of transparent plastic plates 4 and the blackboard body 1 is twenty centimeters. When the blackboard eraser is in work, when the connecting plate 219 falls off due to poor friction force, the blackboard eraser can be manually held, and an arm and the blackboard eraser can be inserted into a gap between the side blackboard and the baffle plate to perform manual original blackboard erasing remediation.

Preferably, a cover plate 6 is placed on the right side of the blackboard body 1. When the blackboard eraser works, the blackboard eraser can be placed above the ash storage groove 43 when in use, and the ash storage groove 43 can be closed by the cover plate 6 when the blackboard body 1 is not in use.

The utility model discloses a concrete theory of operation and application method do: the rotating rod of the lower driving wheel 214 is manually shaken to enable the two groups of driving wheels 214 to rotate through the driving belt 215, the threaded rod 212 rotates to enable the connecting plate 219 to move left and right to drive the cleaning plate 221 to abut against the front side wall of the blackboard body 1, the connecting plate 219 can clean the front side wall of the blackboard body 1 while moving left and right, the two groups of transparent plastic plates 4 are slid to be close to the middle while cleaning is performed, and after the two groups of magnetic suction layers are connected, the dustproof effect can be achieved for people while cleaning the blackboard body 1.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way; all the persons skilled in the art can smoothly implement the present invention as shown in the attached drawings and described above; however, those skilled in the art should understand that changes, modifications and variations made by the above-described technology can be made without departing from the scope of the present invention, and all such changes, modifications and variations are equivalent embodiments of the present invention; meanwhile, any changes, modifications, evolutions, etc. of the above embodiments, which are equivalent to the actual techniques of the present invention, still belong to the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a dustproof new-type blackboard, includes blackboard body (1), its characterized in that, the top fixedly connected with mounting panel (2) of blackboard body (1), the bottom fixedly connected with base (3) of blackboard body (1), be provided with the clearance subassembly on mounting panel (2), the top of base (3) is connected with two sets of transparent plastic board (4) through the slip subassembly, the clearance subassembly is including extension board (211), extension board (211) fixed connection is in the bottom of mounting panel (2), it is connected with threaded rod (212) to rotate on the right side wall of extension board (211), fixedly connected with connecting rod (213) on the right side wall of base (3), the surface of threaded rod (212) and the right-hand member of connecting rod (213) all are provided with drive wheel (214), and are two sets of the transmission is connected with threaded rod (215) between drive wheel (214), the surface threaded connection of threaded connection piece (212) has threaded connection piece (216), the lower extreme fixedly connected with connecting plate (219) of threaded connection piece (216), be connected with clearance board (221) through extrusion subassembly (220) on the back lateral wall of extrusion (219).

2. The dustproof novel blackboard according to claim 1, wherein the sliding assembly comprises two sets of T-shaped sliding blocks (41), the two sets of T-shaped sliding blocks (41) are respectively and fixedly connected to the bottoms of the two sets of transparent plastic plates (4), T-shaped sliding grooves (42) matched with the two sets of T-shaped sliding blocks (41) are formed in the top of the base (3), and the two sets of T-shaped sliding blocks (41) are both in sliding connection in the two sets of T-shaped sliding grooves (42).

3. The dustproof novel blackboard according to claim 2, wherein the extrusion assembly (220) comprises a sleeve, a plunger is connected in the sleeve, a spring is arranged between the plunger and the inner wall of the sleeve, the front end of the sleeve is fixedly connected to the rear side wall of the connecting plate (219), and the rear end of the plunger is fixedly connected to the front end of the cleaning plate (221).

4. The dustproof novel blackboard according to claim 1, wherein the transmission wheel (214) on the upper side is fixedly connected to the outer surface of the threaded rod (212), the transmission wheel (214) on the lower side is rotatably connected to the right end of the connecting rod (213), the upper end of the threaded connecting block (216) is fixedly connected with a limiting block (217), the bottom of the mounting plate (2) is provided with a limiting groove (218) matched with the limiting block (217), and the limiting block (217) is slidably connected in the limiting groove (218).

5. The dustproof new blackboard according to claim 4, wherein the left and right sides of the blackboard body (1) are provided with dustproof nets (5).

6. The dust-proof novel blackboard according to claim 5, characterized in that the two groups of transparent plastic boards (4) are the same in size, and the magnetic absorption layers are arranged on the sides of the two groups of transparent plastic boards (4) close to each other.

7. The dustproof novel blackboard according to claim 6, wherein the top of the base (3) is provided with a dust storage groove (43), the dust storage groove (43) is a chute with a narrow top and a wide bottom, and the left end of the dust storage groove (43) is connected with a cover (44).

8. A new dust-proof blackboard according to claim 7, characterised in that the sum of the lengths of the two sets of transparent plastic boards (4) matches the length of the blackboard body (1).

9. The dustproof new blackboard according to claim 8, characterized in that the distance between the two sets of transparent plastic boards (4) and the blackboard body (1) is twenty centimeters.

10. The dustproof new blackboard according to claim 9, characterized in that a cover plate (6) is placed on the right side of the blackboard body (1).