CN212046588U

CN212046588U - Dustproof blackboard for literal arts teaching

Info

Publication number: CN212046588U
Application number: CN201922263080.0U
Authority: CN
Inventors: 燕柏州
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-16
Filing date: 2019-12-16
Publication date: 2020-12-01
Anticipated expiration: 2029-12-16

Abstract

The utility model discloses a liberal art teaching is with dustproof blackboard, include the blackboard, remove the structure, clean structure and light-tight structure, it settles on the blackboard through removing the structure to clean the structure, the light-tight structure is settled on blackboard both sides lateral wall face, remove the structure, it includes: slide rail, slider and first telescopic link, the slide rail is settled on the wall before the blackboard, and is close to top department, the slider is settled on the slide rail, first telescopic link activity is settled on the slider, clean the structure, it includes: blackboard eraser, blackboard eraser protection casing, cotton nature layer and dust collecting bottle, the utility model relates to a teaching assistance field, this device simple structure, convenient operation, when erasing the blackboard, the protection casing of blackboard eraser can effectually prevent the diffusion of dust, floats a large amount of dust in avoiding the air in the classroom, and the effectual environment and teacher in the classroom of having guaranteed, student's is healthy.

Description

Dustproof blackboard for literal arts teaching

Technical Field

The utility model relates to a teaching assistance field, a liberal art teaching is with dustproof blackboard.

Background

Teachers write chalk characters on the blackboard all the year around for teaching students, the chalk characters are usually required to be erased after the teaching is completed, when the chalk characters are erased, a large amount of dust is generated on the common blackboard, the common blackboard floats in the air in a classroom and can be sucked by the students or the teachers, particularly, people who erase the blackboard can suck a large amount of dust in the erasing process, and therefore the health of the teachers or the students can be affected.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a liberal art teaching is with dustproof blackboard has solved ordinary blackboard when wiping chalk word, can produce a large amount of dusts, floats in the air in the classroom, can be inhaled by student or teacher, especially wipes the people of blackboard, can inhale a large amount of dusts at the in-process of wiping to can influence mr or the healthy problem of student.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a dustproof blackboard for liberal art teaching comprises a blackboard, a moving structure, a wiping structure and a shading structure, wherein the wiping structure is arranged on the blackboard through the moving structure, and the shading structure is arranged on the two side wall surfaces of the blackboard;

the moving structure, it includes: the sliding rail, the sliding block and the first telescopic rod are arranged on the sliding rail;

the sliding rail is arranged on the front wall surface of the blackboard and is close to the top end, the sliding block is arranged on the sliding rail, and the first telescopic rod is movably arranged on the sliding block;

the wiping structure, which comprises: the blackboard eraser, the blackboard eraser protective cover, the cotton layer and the dust collecting bottle;

the blackboard eraser protective cover is arranged on the telescopic end of the first telescopic rod, the blackboard eraser is embedded in the blackboard eraser protective cover, the cotton layer is arranged on the rear wall surface of the blackboard eraser protective cover and is in contact with a blackboard, and the dust collecting bottle is screwed in the lower wall surface of the blackboard eraser protective cover;

the light shielding structure, it includes: the two pairs of second telescopic rods with the same structure, the pair of cross rods with the same structure and the pair of sun-shading cloths with the same structure are arranged;

the two pairs of second telescopic rods are arranged on the side wall surfaces of the two sides of the blackboard, the pair of cross rods are arranged between the two pairs of telescopic ends of the second telescopic rods with the same structure, and the pair of sunshade cloth is arranged on the pair of cross rods with the same structure.

Preferably, the first handle is arranged on the front wall surface of the blackboard eraser, and the second handle is arranged on the front wall surface of the blackboard eraser and positioned below the first handle: the first handle and the second handle are used for wiping the blackboard.

Preferably, the slide rail bottom is equipped with first fixing base: the first fixing seat is used for fixing the sliding rail.

Preferably, the bottom of each two pairs of the second telescopic rods are provided with a second fixed seat: the second fixing seat is used for fixing the second telescopic rod.

Preferably, the length of the sun-shading cloth is less than the width of the blackboard.

Preferably, the slide block is provided with a fixing plate: the fixing plate is used for fixing the first telescopic rod.

Advantageous effects

The utility model provides a liberal art teaching is with dustproof blackboard. The blackboard eraser has the advantages that the structure is simple, the operation is convenient, when the blackboard eraser is used for erasing the blackboard, the protective cover of the blackboard eraser can effectively prevent dust from diffusing, a large amount of dust is prevented from floating in the air in a classroom, meanwhile, a large amount of chalk dust can be sucked by a person who erases the blackboard, and the environment in the classroom and the physical health of teachers and students are effectively guaranteed.

Drawings

FIG. 1 is the utility model relates to a front view structure schematic diagram of dustproof blackboard for literal arts teaching.

Fig. 2 is the utility model relates to a left side view structure schematic diagram of dustproof blackboard for literal arts teaching.

Fig. 3 is the left side sectional view structural diagram of a dustproof blackboard for the teaching of the literal arts.

Fig. 4 is the utility model discloses a section-view structure sketch map of bowing of dustproof blackboard for the teaching of literal arts.

Fig. 5 is the utility model discloses a literal arts teaching is with local enlarged structure schematic diagram of dustproof blackboard.

In the figure: 1-blackboard; 2-a slide rail; 3-a slide block; 4-a first telescopic rod; 5, blackboard eraser; 6-blackboard eraser protective cover; 7-a cotton layer; 8-a dust collection bottle; 9-a second telescopic rod; 10-a cross bar; 11-sun-shading cloth; 12-a first handle; 13-a second handle; 14-a first fixed seat; 15-a second fixed seat; 16-fixing the plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a dustproof blackboard for liberal art teaching comprises a blackboard 1, a moving structure, a wiping structure and a shading structure, wherein the wiping structure is arranged on the blackboard 1 through the moving structure, and the shading structure is arranged on the two side wall surfaces of the blackboard 1; the moving structure, it includes: the sliding rail 2, the sliding block 3 and the first telescopic rod 4; the sliding rail 2 is arranged on the front wall surface of the blackboard 1 and is close to the top end, the sliding block 3 is arranged on the sliding rail 2, and the first telescopic rod 4 is movably arranged on the sliding block 3; the wiping structure, which comprises: the blackboard eraser comprises a blackboard eraser 5, a blackboard eraser protective cover 6, a cotton layer 7 and a dust collecting bottle 8; the blackboard eraser protective cover 6 is arranged on the telescopic end of the first telescopic rod 4, the blackboard eraser 5 is embedded in the blackboard eraser protective cover 6, the cotton layer 7 is arranged on the rear wall surface of the blackboard eraser protective cover 6 and is in contact with the blackboard 1, and the dust collecting bottle 8 is screwed in the lower wall surface of the blackboard eraser protective cover 6; the light shielding structure, it includes: two pairs of second telescopic rods 9 with the same structure, a pair of cross rods 10 with the same structure and a pair of sun-shading cloths 11 with the same structure; the two pairs of second telescopic rods 9 are arranged on two side wall surfaces of the blackboard 1, the pair of cross rods 10 are arranged between the two pairs of telescopic ends of the second telescopic rods 9 with the same structure, and the pair of sun-shading cloths 11 are arranged on the pair of cross rods 10 with the same structure; the first handle 12 is arranged on the front wall surface of the blackboard eraser 5, the second handle 13 is arranged on the front wall surface of the blackboard eraser 5 and is positioned below the first handle 12: the first handle 12 and the second handle 13 are used for wiping the blackboard; the bottom of the slide rail 2 is provided with a first fixed seat 14: the first fixing seat 14 is used for fixing the slide rail 2; the bottoms of the two pairs of second telescopic rods 9 are provided with second fixed seats 15; the second fixed seat 15 is used for fixing the second telescopic rod 9; the length of the sun-shading cloth 11 is less than the width of the blackboard 1; the slide block 3 is provided with a fixed plate 16: the fixing plate 16 is used for fixing the first telescopic rod 4.

The following working principles, detailed connecting means thereof, and the following main descriptions of the working principles and processes thereof are well known in the art, and will be referred to by those skilled in the art for the specific connection and operation sequence of the components in the present disclosure.

Example (b): when the blackboard eraser is used, a teacher or a student pulls the blackboard eraser 5, the blackboard eraser 5 is movably connected with the first telescopic rod 4, the blackboard eraser 5 can be in a vertical direction to erase a blackboard, the first telescopic rod 4 is movably driven to adjust the erasing distance and direction, the other end of the first telescopic rod 4 is connected with the sliding block 3 through the rotating shaft, the first telescopic rod 4 can rotate on the sliding block 3 through the movable connection, the erasing angle is adjusted, when the distance is too far away, the sliding block 3 is driven through the first telescopic rod 4, the sliding block 3 can horizontally move on the sliding rail 2 to reach a position to be erased, the blackboard eraser 5 is externally provided with the blackboard eraser protective cover 6, the contact part of the blackboard eraser protective cover 6 and the blackboard 1 is provided with the cotton layer 7, the cotton layer 7 is higher than the distance between the blackboard eraser 5 and the blackboard 1, dust erased by the blackboard eraser 5 can float in a relatively closed space and passes through, the dust collecting bottle 8 that slides to the bottom, the first in command 12 and the second in command 13 are installed to blackboard eraser 5 backplate, can be according to the difference in blackboard people height, the required handle of use of adjustment, clean and finish, slide blackboard eraser 5 to blackboard 1 one side, wait to use next time, in dust collecting bottle 8, the dust is full of the back, can rotate dust collecting bottle 8 down, clear up inside dust, settle blackboard 1 both sides has two pairs of second telescopic links 9 that the structure is the same, 9 installs sun-proof cloth 11 respectively on two pairs of second telescopic links, it has a pair of crossbeam 10 to settle on 9 tops of two pairs of second telescopic links, crossbeam 10 passes sun-proof cloth 11 and is used for sheltering from sunshine, pulling crossbeam 10 when light reflection, shelter from sunshine, prevent because sunshine shines blackboard 1 and gives light, cause the student to see the blackboard unclear.

Preferably, the first handle 12 is disposed on the front wall of the blackboard eraser 5, and the second handle 13 is disposed on the front wall of the blackboard eraser 5 and is located below the first handle 12: the first handle 12 and the second handle 13 are used to wipe the blackboard.

Preferably, the bottom of the sliding rail 2 is provided with a first fixing seat 14: the first fixing seat 14 is used for fixing the slide rail 2.

As an optimized scheme, furthermore, the bottoms of the two pairs of second telescopic rods 9 are provided with second fixed seats 15; the second fixing seat 15 is used for fixing the second telescopic rod 9.

Preferably, the length of the sunshade cloth 11 is less than the width of the blackboard 1.

Preferably, the slide 3 is further provided with a fixing plate 16: the fixing plate 16 is used for fixing the first telescopic rod 4.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A dustproof blackboard for liberal art teaching comprises a blackboard (1), a moving structure, a wiping structure and a shading structure, and is characterized in that the wiping structure is arranged on the blackboard (1) through the moving structure, and the shading structure is arranged on the two side wall surfaces of the blackboard (1);

the moving structure, it includes: the sliding rail (2), the sliding block (3) and the first telescopic rod (4);

the sliding rail (2) is arranged on the front wall surface of the blackboard (1) and is close to the top end, the sliding block (3) is arranged on the sliding rail (2), and the first telescopic rod (4) is movably arranged on the sliding block (3);

the wiping structure, which comprises: the blackboard eraser comprises a blackboard eraser (5), a blackboard eraser protective cover (6), a cotton layer (7) and a dust collecting bottle (8);

the blackboard eraser protective cover (6) is arranged at the telescopic end of the first telescopic rod (4), the blackboard eraser (5) is embedded in the blackboard eraser protective cover (6), the cotton layer (7) is arranged on the rear wall surface of the blackboard eraser protective cover (6) and is in contact with the blackboard (1), and the dust collecting bottle (8) is screwed in the lower wall surface of the blackboard eraser protective cover (6);

the light shielding structure, it includes: two pairs of second telescopic rods (9) with the same structure, a pair of cross rods (10) with the same structure and a pair of sun-shading cloths (11) with the same structure;

the two pairs of second telescopic rods (9) are arranged on the two side wall surfaces of the blackboard (1), the pair of cross rods (10) are arranged between the two pairs of telescopic ends of the second telescopic rods (9) with the same structure, and the pair of sun-shading cloths (11) are arranged on the pair of cross rods (10) with the same structure.

2. The dust-proof blackboard for teaching of literal arts as claimed in claim 1, wherein the first handle (12) is disposed on the front wall of the blackboard eraser (5), the second handle (13) is disposed on the front wall of the blackboard eraser (5) and below the first handle (12): the first handle (12) and the second handle (13) are used for wiping the blackboard.

3. The dust-proof blackboard for the liberal art teaching according to claim 1, wherein the bottom of the slide rail (2) is provided with a first fixed seat (14): the first fixing seat (14) is used for fixing the sliding rail (2).

4. The dust-proof blackboard for teaching of literal arts as claimed in claim 1, wherein the bottom of two pairs of said second telescopic rods (9) are placed with second fixed seats (15), the second fixed seats (15) are used to fix the second telescopic rods (9).

5. The dust-proof blackboard for the liberal art teaching according to claim 1, wherein the length of the sun-shading cloth (11) is less than the width of the blackboard (1).

6. The dust-proof blackboard for teaching of literal arts as claimed in claim 1, wherein the slider (3) has a fixed plate (16) mounted thereon: the fixing plate (16) is used for fixing the first telescopic rod (4).