CN211662929U

CN211662929U - English teaching tool

Info

Publication number: CN211662929U
Application number: CN202020234482.8U
Authority: CN
Inventors: 崔媛; 周德锋; 黄银秀; 刘燕玲; 何军; 邹瑞睿
Original assignee: Hunan Vocational College of Chemical Technology
Current assignee: Hunan Vocational College of Chemical Technology
Priority date: 2020-03-02
Filing date: 2020-03-02
Publication date: 2020-10-13
Anticipated expiration: 2030-03-02

Abstract

The utility model discloses an English teaching tool, which comprises a blackboard body, a dust collecting box, a dust suction device and an adjusting mechanism, wherein the bottom of the blackboard body is horizontally provided with the dust collecting box which is a hollow structure with an opening at the top, and the dust suction device is arranged on two sides of the dust collecting box; the utility model discloses a convenient centralized collection chalk dust purifies blackboard teaching environment, makes things convenient for the angle of blackboard body to change, avoids appearing the problem of reflection of light, and dust extraction includes micro-blower, discharging pipe, connecting pipe and dust collection box, and the both sides of connecing the dust collection box are provided with the dust absorption mouth respectively, and dust absorption mouth department is connected with micro-blower's input, and micro-blower's output and discharging pipe are connected, and the discharge end of discharging pipe and the feed end threaded connection of communicating pipe, the discharge end of communicating pipe and the top surface access connection of dust collection box, dust collection box are located the backup pad, and the backup pad cover is established on the support, the utility.

Description

English teaching tool

Technical Field

The utility model belongs to the technical field of the english teaching, a teaching tool is related to, specifically is an english teaching tool.

Background

When carrying out english teaching, need carry out the blackboard writing on the blackboard, write through the blackboard writing and carry out the teaching to carry out better teaching.

However, in the prior art, a large amount of chalk dust is generated in the writing process of the blackboard, and the chalk dust is easy to cause respiratory damage to bodies of teachers and students without being cleaned, so that the body health of the teachers and the students can be seriously influenced in the past; the blackboard angle can not be adjusted, and when the sunshine is stronger, the phenomenon of reflecting light can appear to be unfavorable for the teaching and not good to student's eyes, lead to the problem of myopia easily.

Disclosure of Invention

The utility model aims to solve the problems that in the prior art, a blackboard generates a large amount of chalk dust in the writing process, the chalk dust is easy to cause breathing harm to the bodies of teachers and students without being cleaned, and the body health of the teachers and students is seriously influenced in the past; the blackboard angle can not be adjusted, when sunshine is stronger, the reflection of light phenomenon can appear to be unfavorable for the teaching and not good to student's eyes, lead to myopic problem easily, and provide an english teaching tool.

The purpose of the utility model can be realized by the following technical scheme:

an English teaching tool comprises a blackboard body, a dust collecting box, a dust collecting device and an adjusting mechanism, wherein the bottom of the blackboard body is horizontally provided with the dust collecting box, the dust collecting box is of a hollow structure with an opening at the top, and the dust collecting device is arranged on two sides of the dust collecting box;

dust extraction includes micro-blower, discharging pipe, connecting pipe and dust collection box, and the both sides of connecing the dust collection box are provided with the dust absorption mouth respectively, and dust absorption mouth department is connected with micro-blower's input, and micro-blower's output and discharging pipe are connected, the discharge end of discharging pipe and the feed end threaded connection of connecting pipe, the discharge end of connecting pipe and the top surface access connection of dust collection box, and the dust collection box is located the backup pad, and the backup pad cover is established on the support.

Preferably, the outer wall of the discharge end of the discharge pipe is provided with an external thread, and the inner wall of the feed end of the connecting pipe is provided with an internal thread.

Preferably, the back of the blackboard body is symmetrically provided with two groups of supports, and the top ends of the supports are movably connected with the blackboard body through movable seats.

Preferably, the bottom end of the support is connected with the bottom surface of the bottom plate, the bottom surface of the bottom plate is provided with rollers, and the top surface of the bottom plate is provided with an adjusting mechanism.

Preferably, the adjusting mechanism comprises a motor, a screw rod, a sleeve, a movable plate and a movable rod, the motor is installed on the top surface of the bottom plate, the output end of the motor is connected with the screw rod, the top end of the screw rod penetrates through the movable plate to be connected with the movable plate in a threaded mode, the two ends of the movable plate are respectively provided with the sleeve, the sleeve is sleeved on the support and is in sliding connection with the support, one end of the movable rod is movably connected with the sleeve, and the other end of the movable rod is movably connected with the back face of the blackboard.

Compared with the prior art, the beneficial effects of the utility model are that: when a teacher writes on a blackboard for English teaching, chalk dust generated when the teacher erases the blackboard in a flat time falls into the dust collecting box under the action of gravity, and then the micro air blower is started to generate attraction, so that the chalk dust in the dust collecting box sequentially enters the dust collecting box through the discharge pipe and the connecting pipe to be collected, and therefore convenience is achieved for centralized collection of the chalk dust and purification of the teaching environment of the blackboard;

through the positive and negative rotation of control motor, drive the positive and negative rotation of screw rod for the movable plate reciprocates along the support through the sleeve pipe, passes through the linkage effect of movable rod again, thereby makes the angle of blackboard body change, thereby makes that mr can be better carry out english teaching to the student, avoids leading to seeing the knowledge of record on the blackboard clearly because of the reflection of light to the student, leads to mr teaching level and student's study level to descend.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the adjusting mechanism of the present invention.

Figure 3 is the structure schematic diagram of the connection relationship between the middle blackboard body and the sleeve.

In the figure: 1. a blackboard body; 2. a dust collecting box; 3. a micro blower; 4. a discharge pipe; 5. a connecting pipe; 6. a dust collecting box; 7. a support plate; 8. a support; 9. a base plate; 10. a roller; 11. a motor; 12. a screw; 13. a sleeve; 14. moving the plate; 15. a movable rod; 16. a movable seat.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, an english teaching tool includes a blackboard body 1, a dust collecting box 2, a dust collecting device and an adjusting mechanism, wherein the bottom of the blackboard body 1 is horizontally provided with the dust collecting box 2, the dust collecting box 2 is a hollow structure with an open top, and the dust collecting device is arranged on two sides of the dust collecting box 2;

the dust collection device comprises a micro air blower 3, a discharge pipe 4, a connecting pipe 5 and a dust collection box 6, dust collection ports are respectively arranged on two sides of the dust collection box 2, the dust collection ports are connected with an input end of the micro air blower 3, an output end of the micro air blower 3 is connected with the discharge pipe 4, a discharge end of the discharge pipe 4 is in threaded connection with a feed end of the connecting pipe 5, a discharge end of the connecting pipe 5 is connected with a top inlet of the dust collection box 6, the dust collection box 6 is positioned on a support plate 7, the support plate 7 is sleeved on a support 8, chalk dust generated when a teacher cleans a blackboard during writing on the blackboard and during erasing the blackboard in a flat time falls into the dust collection box 2 under the action of gravity, then the suction force is generated by opening the micro air blower 3, so that the chalk dust in the dust collection box 2 sequentially passes through the discharge pipe 4 and the connecting pipe 5 and enters the dust, the blackboard teaching environment is purified, the problem that in the prior art, the blackboard can generate a large amount of chalk dust in the writing process is solved, the chalk dust is not cleaned and easily causes respiratory hazard to the bodies of teachers and students, and the health of the teachers and the students can be seriously influenced in the past.

Be provided with the external screw thread on the 4 discharge end department outer walls of discharging pipe, be provided with the internal thread on the 5 feed end department inner walls of connecting pipe, discharging pipe 4 and 5 threaded connection of connecting pipe for take out in the convenient dust collection box 6 and clear up.

The back of the blackboard body 1 is symmetrically provided with two groups of brackets 8, and the top ends of the brackets 8 are movably connected with the blackboard body 1 through movable seats 16.

The bottom end of the support 8 is connected with the bottom surface of the bottom plate 9, the bottom surface of the bottom plate 9 is provided with rollers 10, and the top surface of the bottom plate 9 is provided with an adjusting mechanism.

The adjusting mechanism comprises a motor 11, a screw 12, a sleeve 13, a movable plate 14 and a movable rod 15, the motor 11 is arranged on the top surface of the bottom plate 9, the output end of the motor 11 is connected with the screw 12, the top end of the screw 12 passes through the movable plate 14 and is connected with the movable plate 14 in a threaded manner, the sleeve 13 is respectively arranged at two ends of the movable plate 14, the sleeve 13 is sleeved on the support 8 and is connected with the support 8 in a sliding manner, one end of the movable rod 15 is movably connected with the sleeve 13, the other end of the movable rod 15 is movably connected with the back surface of the blackboard body 1, the screw 12 is driven to rotate forward and backward by controlling the forward and backward rotation of the motor 11, the movable plate 14 moves up and down along the support 8 through the sleeve 13, and the connecting action of the movable rod 15 is further used for changing the angle of the blackboard body 1, so that teachers can better perform English teaching on students and avoid, resulting in a decline in teacher's teaching level and student's learning level.

The utility model discloses a theory of operation: when a teacher writes on a blackboard for English teaching and the blackboard is erased at ordinary times, chalk dust generated by the teacher when the teacher writes on the blackboard falls into the dust collecting box 2 under the action of gravity, and then the micro air blower 3 is turned on to generate attraction, so that the chalk dust in the dust collecting box 2 sequentially enters the dust collecting box 6 through the discharge pipe 4 and the connecting pipe 5 to be collected, and therefore the chalk dust is conveniently and intensively collected and the teaching environment of the blackboard is purified, the problem that in the prior art, a large amount of chalk dust is generated in the writing process of the blackboard, the chalk dust is easy to cause breathing harm to bodies of teachers and students without being cleaned is solved, and the health of the teachers and the students is seriously affected after a long time, wherein the discharge pipe 4 is in threaded connection with the connecting pipe 5, so that the dust collecting box 6 is conveniently taken out to be cleaned;

through the positive and negative rotation of control motor 11, drive screw rod 12 positive and negative rotation for movable plate 14 reciprocates along support 8 through sleeve pipe 13, and the connection effect of rethread activity pole 15, thereby make blackboard body 1's angle change, thereby make that mr can be better carry out english teaching to the student, avoid leading to seeing the knowledge of record on the blackboard clearly because of the reflection of light to the student, lead to mr's teaching level and student's study level to descend.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not exhaustive and do not limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. An english teaching tool, its characterized in that: the blackboard comprises a blackboard body (1), a dust collecting box (2), a dust collecting device and an adjusting mechanism, wherein the dust collecting box (2) is horizontally arranged at the bottom of the blackboard body (1), the dust collecting box (2) is of a hollow structure with an opening at the top, and the dust collecting device is arranged on two sides of the dust collecting box (2);

dust extraction includes micro-blower (3), discharging pipe (4), connecting pipe (5) and dust collection box (6), the both sides that connect dust collection box (2) are provided with the dust absorption mouth respectively, dust absorption mouth department is connected with the input of micro-blower (3), the output and discharging pipe (4) of micro-blower (3) are connected, the discharge end of discharging pipe (4) and the feed end threaded connection of connecting pipe (5), the discharge end of connecting pipe (5) and the top surface access connection of dust collection box (6), dust collection box (6) are located backup pad (7), backup pad (7) cover is established on support (8).

2. English teaching tool according to claim 1, wherein the outer wall of the discharge pipe (4) at the discharge end is provided with external threads, and the inner wall of the connection pipe (5) at the feed end is provided with internal threads.

3. English teaching tool according to claim 1, characterized in that the back of the blackboard body (1) is symmetrically provided with two sets of brackets (8), and the top ends of the brackets (8) are movably connected with the blackboard body (1) through movable seats (16).

4. English teaching tool according to claim 3, characterized in that the bottom end of the support (8) is connected to the bottom surface of the bottom plate (9), the bottom surface of the bottom plate (9) is provided with rollers (10), and the top surface of the bottom plate (9) is provided with an adjusting mechanism.

5. The English teaching tool according to claim 4, wherein the adjusting mechanism comprises a motor (11), a screw rod (12), a sleeve (13), a movable plate (14) and a movable rod (15), the motor (11) is installed on the top surface of the bottom plate (9), the output end of the motor (11) is connected with the screw rod (12), the top end of the screw rod (12) penetrates through the movable plate (14) to be connected with the movable plate (14) in a threaded manner, the sleeve (13) is respectively arranged at two ends of the movable plate (14), the sleeve (13) is sleeved on the support (8) and is in sliding connection with the support (8), one end of the movable rod (15) is movably connected with the sleeve (13), and the other end of the movable rod (15) is movably connected with the back surface of the blackboard body (1).