CN212979663U

CN212979663U - Dustproof blackboard for English teaching

Info

Publication number: CN212979663U
Application number: CN202020838878.3U
Authority: CN
Inventors: 陈婧; 王奕霏
Original assignee: Chongqing Vocational Institute of Engineering
Current assignee: Chongqing Vocational Institute of Engineering
Priority date: 2020-05-19
Filing date: 2020-05-19
Publication date: 2021-04-16
Anticipated expiration: 2030-05-19

Abstract

The utility model relates to a dustproof blackboard for English teaching, which comprises a blackboard body, wherein the surface of the blackboard body is connected with a connecting plate in a sliding way, the back surface of the connecting plate is fixedly provided with a blackboard eraser, the upper end and the lower end of the right side of the blackboard body are both fixedly provided with a fixed rod, and the right side of the fixed rod is fixedly provided with a water tank; the utility model discloses a blackboard body, the connecting plate, the blackboard eraser, the water tank, a blower, first connecting pipe, first dust absorption pipe, the expansion hose, the second connecting pipe, the setting of second dust absorption pipe and dead lever, can effectually make it possess the function of preventing the raise dust, the current blackboard for english teaching has been solved and has not had the function of preventing the raise dust, can write the dust of letter with the chalk and raise when wiping, if not handle it, make teacher and student inhale to the health easily in, not only cause the harm to the health easily, and the problem of classroom air circumstance has been influenced.

Description

Dustproof blackboard for English teaching

Technical Field

The utility model relates to an english teaching technical field specifically is a blackboard is used in english teaching of dustproof.

Background

English teaching refers to the process of teaching English for those who have English in or not in the first language, which involves many kinds of professional theoretical knowledge including linguistics, acquisition of second language, glossaries, sentence laws, literature, corpus theory and cognitive psychology, and is a progressive process, and for those who have English in or not in the first language, English learning is crucial in the globalized rapid development today, the blackboard is not particularly a black board, but is a plane which can be repeatedly written by chalk in the traditional sense, the board is hard and is mostly used for teaching, the blackboard is generally made of wood boards or ground glass and the like, the writing can be carried out on the surface of the paper by using specific writing materials such as chalk and the like, and the writing materials are mostly black, greenish black, white or beige.

However, the existing blackboard for English teaching does not have the function of dust prevention, dust generated when a chalk writes letters is lifted when the chalk is erased, and if the chalk is not processed, teachers and students are easily sucked into bodies, so that the bodies are easily damaged, and the air environment of classrooms is influenced.

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model provides a blackboard is used in english teaching of preventing raise dust, possesses the advantage of preventing the raise dust function, has solved current blackboard for english teaching and has not had the function of preventing the raise dust, can write the dust of letter with the chalk and raise when wiping off, if not handling it, make teacher and student inhale to the health easily in, not only cause the harm to the health easily, influenced classroom air circumstance's problem moreover.

The utility model provides a technical problem's technical scheme does:

a dust-raising-preventing blackboard for English teaching comprises a blackboard body, wherein a connecting plate is connected to the surface of the blackboard body in a sliding mode, a blackboard eraser is fixedly installed on the back face of the connecting plate, fixing rods are fixedly installed at the upper end and the lower end of the right side of the blackboard body, a water tank is fixedly installed on the right side of each fixing rod, a fan is fixedly installed at the middle end of the top of each water tank, the air outlet end of the fan is communicated with the lower end of the inner cavity of the water tank through a pipeline, a first connecting pipe is communicated with the air inlet end of the fan through a pipeline, a first dust suction pipe is communicated with the inner side of the first connecting pipe, the back face of the first connecting pipe is fixedly installed with the surface of the blackboard body, a telescopic connecting pipe is communicated with the air inlet end of the fan and the end far away from the air outlet end of the first connecting pipe, the second connecting pipe is fixedly arranged on two sides of the connecting plate.

Furthermore, support plates are fixedly mounted on the two sides of the top and the bottom of the blackboard body, sliding rods are fixedly mounted on the inner sides of the support plates, and sliding sleeves are connected to the outer sides of the sliding rods in a sliding mode.

Furthermore, the surface of the sliding sleeve is fixedly provided with a connecting rod, and the surface of the connecting rod is fixedly arranged with the back of the connecting plate.

Further, the middle end of the top of the water tank is fixedly provided with a protective box, and the protective box is positioned on the outer side of the fan.

Further, the right end fixed mounting on water tank surface has the visual window, the surface coating of visual window has the scale mark.

Furthermore, the right end of the top of the water tank is communicated with a water adding pipe, and the right end of the bottom of the water tank is communicated with a water discharging pipe.

Furthermore, the surface of the connecting plate is fixedly provided with a handle, and the back surface of the blackboard eraser is fixedly arranged with the surface of the blackboard body.

The effects provided in the contents of the present invention are only the effects of the embodiments, not all the effects of the present invention, and one of the above technical solutions has the following advantages or advantageous effects:

1. the utility model discloses a blackboard body, the connecting plate, the blackboard eraser, the water tank, a blower, first connecting pipe, first dust absorption pipe, the expansion hose, the second connecting pipe, the setting of second dust absorption pipe and dead lever, can effectually make it possess the function of preventing raise dust, not only can suck the dust of raising, and can prevent that teacher and student from sucking internally, thereby avoid it to cause the harm to the health, the air circumstance in the classroom has been guaranteed simultaneously, the current blackboard for english teaching does not have the function of preventing raise dust, can write the dust of letter with the chalk and raise when wiping, if not handle it, make teacher and student suck to the health easily, not only cause the harm to the health easily, and the problem of classroom air circumstance has been influenced.

2. The utility model discloses a setting of extension board, slide bar and sliding sleeve can be used for supporting the installation to the slide bar to make slide bar and sliding sleeve sliding connection, and can drive connecting plate and blackboard eraser and remove, thereby reach the effect of erasing, through the setting of connecting rod, can be used for making and be connected between connecting plate and the sliding sleeve, and can install the connecting plate, through the setting of guard box, can be used for protecting the fan, thereby prevent that it from receiving the damage.

3. The utility model discloses a setting of visual window and scale mark can be used for clearly observing the inside water level condition of water tank and clean degree to the convenience adds and discharges water, through the setting of filler pipe and drain pipe, can be used for adding water to the inner chamber of water tank, and conveniently discharges water to it, through the setting of handle, can be used for the pulling connecting plate to remove, thereby drives the blackboard eraser and erases blackboard body.

Drawings

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

FIG. 2 is a front view of the structure of the present invention;

FIG. 3 is a partial sectional view of the water tank of the present invention;

fig. 4 is a partial rear view of the connection plate of the present invention.

In the figure: 1. blackboard body, 2, extension board, 3, slide bar, 4, sliding sleeve, 5, connecting rod, 6, connecting plate, 7, blackboard eraser, 8, water tank, 9, fan, 10, first connecting pipe, 11, first dust absorption pipe, 12, flexible hose, 13, second connecting pipe, 14, second dust absorption pipe, 15, dead lever, 16, guard box, 17, visual window.

Detailed Description

In order to clearly illustrate the technical features of the present invention, the present invention is explained in detail by the following embodiments in combination with the accompanying drawings. The following disclosure provides many different embodiments, or examples, for implementing different features of the invention. In order to simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. It should be noted that the components illustrated in the figures are not necessarily drawn to scale. Descriptions of well-known components and processing techniques and processes are omitted so as to not unnecessarily limit the invention.

Referring to fig. 1-4, a dust-proof blackboard for english teaching comprises a blackboard body 1, a connecting plate 6 is slidably connected to the surface of the blackboard body 1, a blackboard eraser 7 is fixedly mounted on the back of the connecting plate 6, fixing rods 15 are fixedly mounted at the upper and lower ends of the right side of the blackboard body 1, a water tank 8 is fixedly mounted on the right side of the fixing rod 15, a fan 9 is fixedly mounted at the middle end of the top of the water tank 8, the air outlet end of the fan 9 is communicated with the lower end of the inner cavity of the water tank 8 through a pipeline, the air inlet end of the fan 9 is communicated with a first connecting pipe 10 through a pipeline, a first dust-absorbing pipe 11 is communicated with the inner side of the first connecting pipe 10, the back of the first connecting pipe 10 is fixedly mounted with the surface of the blackboard body 1, a flexible pipe 12 is communicated with the air inlet end of the fan 9 and the end far away, the back of the second connecting pipe 13 is communicated with a second dust suction pipe 14, the second connecting pipe 13 and two sides of the connecting plate 6 are fixedly installed, through the arrangement of the blackboard body 1, the connecting plate 6, the blackboard eraser 7, the water tank 8, the fan 9, the first connecting pipe 10, the first dust suction pipe 11, the telescopic hose 12, the second connecting pipe 13, the second dust suction pipe 14 and the fixing rod 15, the blackboard eraser can effectively have the function of preventing raised dust, not only can suck raised dust, but also can prevent teachers and students from being sucked into the body, thereby avoiding the body from being damaged, simultaneously ensuring the air environment in the classroom, solving the problem that the existing blackboard for English teaching does not have the function of preventing raised dust, can raise the dust of letters written by chalks when being erased, and easily making the teachers and students suck into the body without processing the dust, thereby not only easily causing damage to the body, but also the problem of affecting the air environment in the classroom.

In this embodiment, specifically, support plates 2 are fixedly mounted on two sides of the top and the bottom of the blackboard body 1, a slide rod 3 is fixedly mounted on the inner side of each support plate 2, and a sliding sleeve 4 is slidably connected to the outer side of each slide rod 3 and can be used for supporting and mounting the slide rod 3, so that the slide rods 3 and the sliding sleeves 4 are slidably connected, and the connecting plate 6 and the blackboard eraser 7 can be driven to move, thereby achieving the erasing effect.

In this embodiment, specifically, the connecting rod 5 is fixedly mounted on the surface of the sliding sleeve 4, and the surface of the connecting rod 5 and the back of the connecting plate 6 are fixedly mounted, so that the connecting plate 6 and the sliding sleeve 4 can be connected with each other, and the connecting plate 6 can be mounted.

In this embodiment, specifically, the middle end fixed mounting at the top of the water tank 8 has the protective housing 16, and the protective housing 16 is located the outside of the fan 9, and can be used for protecting the fan 9, thereby preventing it from being damaged.

In this embodiment, it is concrete, the right-hand member fixed mounting on water tank 8 surface has visual window 17, and visual window 17's surface coating has the scale mark, can be used for clearly observing 8 inside water level condition of water tank and clean degree to the convenience is added and is discharged water.

In this embodiment, it is concrete, the right-hand member intercommunication at 8 tops of water tank has the filler pipe, and the right-hand member intercommunication of 8 bottoms of water tank has the drain pipe, can be used for adding water to the inner chamber of water tank 8 to and conveniently carry out the drainage to it.

In this embodiment, specifically, the handle is fixedly mounted on the surface of the connecting plate 6, and the back surface of the blackboard eraser 7 and the surface of the blackboard body 1 are fixedly mounted and can be used for pulling the connecting plate 6 to move, so as to drive the blackboard eraser 7 to erase the blackboard body 1.

The specific working process is as follows: when preventing raise dust to it, need earlier erase work to blackboard body 1, at this moment manual pulling connecting plate 6, utilize connecting plate 6 to drive blackboard eraser 7 and erase work to blackboard body 1's surface, at this moment, utilize external controller to start fan 9, utilize fan 9 to inhale to water tank 8 through the dust that first connecting pipe 10 and first dust absorption pipe 11's cooperation can be raised blackboard body 1 top and will fall into the bottom, thereby prevent that it from appearing the phenomenon of raise dust and taking place, utilize flexible hose 12 simultaneously, the cooperation of second connecting pipe 13 and second dust absorption pipe 14, can be used to carry out the gettering to the dust that the in-process of erasing appears, thereby arrange in water tank 8 can, utilize the water in the water tank 8 to adsorb it, in order to prevent the phenomenon emergence of raise dust.

Although the above description has been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and on the basis of the technical solution of the present invention, various modifications or variations that can be made by those skilled in the art without creative efforts are still within the scope of the present invention.

Claims

1. The utility model provides a blackboard is used in english teaching of dustproof, includes blackboard body (1), its characterized in that, the surperficial sliding connection of blackboard body (1) has connecting plate (6), the back fixed mounting of connecting plate (6) has blackboard eraser (7), the equal fixed mounting in upper and lower both ends on blackboard body (1) right side has dead lever (15), the right side fixed mounting of dead lever (15) has water tank (8), the middle-end fixed mounting at water tank (8) top has fan (9), the air-out end of fan (9) is through the lower extreme intercommunication of pipeline with water tank (8) inner chamber, the air inlet end of fan (9) has first connecting pipe (10) through the pipeline intercommunication, the inboard intercommunication of first connecting pipe (10) has first dust absorption pipe (11), the back of first connecting pipe (10) and the fixed surface installation of blackboard body (1), the air inlet end of fan (9) and the one end intercommunication of keeping away from first connecting pipe (10) air-out end have bellows (12), the one end intercommunication that fan (9) were kept away from in bellows (12) has second connecting pipe (13), the back intercommunication of second connecting pipe (13) has second dust absorption pipe (14), the both sides fixed mounting of second connecting pipe (13) and connecting plate (6).

2. The dust-proof blackboard for English teaching according to claim 1, wherein support plates (2) are fixedly mounted on both sides of the top and the bottom of the blackboard body (1), a slide rod (3) is fixedly mounted on the inner side of each support plate (2), and a sliding sleeve (4) is slidably connected to the outer side of each slide rod (3).

3. A dustproof blackboard for English teaching according to claim 2, wherein the surface of the sliding sleeve (4) is fixedly provided with a connecting rod (5), and the surface of the connecting rod (5) is fixedly arranged with the back of the connecting plate (6).

4. A dust-proof blackboard for English teaching according to claim 1, wherein a protection box (16) is fixedly installed at the middle end of the top of the water tank (8), and the protection box (16) is located outside the fan (9).

5. A dust-proof blackboard for English teaching according to claim 1, wherein a visual window (17) is fixedly installed at the right end of the surface of the water tank (8), and the surface of the visual window (17) is coated with scale marks.

6. A dustproof blackboard for English teaching according to claim 1, wherein the right end of the top of the water tank (8) is communicated with a water adding pipe, and the right end of the bottom of the water tank (8) is communicated with a water discharging pipe.

7. The dust-proof blackboard for english teaching of claim 1, characterized in that the surface of the connecting plate (6) is fixedly mounted with a handle, and the back of the blackboard eraser (7) is fixedly mounted with the surface of the blackboard body (1).