CN215007109U - Demonstration device for English teaching - Google Patents

Abstract

The utility model relates to the technical field of teaching display, in particular to a demonstration device for English teaching, which comprises a base, a stepping motor and a baffle plate, wherein the top of the base is fixedly connected with the stepping motor, the top of the stepping motor is fixedly connected with a connecting block, the top of the connecting block is fixedly connected with a sliding rod, the outer wall of the sliding rod is movably connected with a connecting sleeve, one side of the connecting sleeve is fixedly connected with a movable plate, one side of the movable plate is fixedly connected with a lug, the outer wall of the connecting block is fixedly connected with a containing groove, the containing groove can fixedly store teaching tools, teachers are prevented from spending class time to search the teaching tools, the practicability of the device is improved, a rubber pad can increase the friction force with a contact surface, thereby reducing the possibility of the device slipping with the contact surface, the practicability of the device is improved, a roller can not only assist the device to move but also be stored, and the phenomenon that the device is too strenuous to carry and the demonstration device can be avoided from accidental slipping when not in use, the practicability of the device is improved.

Description

Demonstration device for English teaching

Technical Field

The utility model relates to a teaching show technical field specifically is a presentation device is used in english teaching.

Background

The teaching board is a device used for writing and demonstrating in the education industry, and generally, the teaching board is a board surface placed in a classroom or a meeting room, and is used for writing contents with chalk or a water-based pen to play a role in explaining and demonstrating.

In english teaching, can be generally by more knowledge point and a large amount of words need remember, make the student be difficult to mention interest, simultaneously because language class teaching is comparatively boring, student's attention is not concentrated, and then teaching efficiency lasts the decline, present demonstration board mostly only can provide knowledge point demonstration to the student, understanding and memory with the student do not have too big help, do not have sufficient function to assist student to concentrate attention, the teacher often can use the chalk to carry out the blackboard writing teaching in the current technique simultaneously, nevertheless no matter be in the process that the chalk was used or clean the process of chalk mark with the blackboard eraser, all can produce a large amount of chalk dust, and probably can be inhaled by teacher and front-row student very much, and then influence its healthy.

Therefore, how to design a demonstration device for English teaching becomes the problem that we need to solve at present.

Disclosure of Invention

An object of the utility model is to provide a presentation device is used in english teaching to solve the current presentation device functionality that provides among the above-mentioned background art relatively poor, produce the dust when current presentation device uses and endanger the health scheduling problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a presentation device is used in english teaching, includes base, step motor and baffle, the top fixedly connected with step motor of base, step motor's top fixedly connected with connecting block, the top fixedly connected with slide bar of connecting block, the outer wall swing joint of slide bar has the connecting sleeve, one side fixedly connected with movable plate of connecting sleeve, one side fixedly connected with lug of movable plate, the opposite side fixedly connected with recess of movable plate, the inner wall fixedly connected with baffle of movable plate, the middle part fixedly connected with filter layer of baffle, one side fixedly connected with suction fan of filter layer, the outer wall fixedly connected with show board of movable plate, the outer wall fixedly connected with of show board inhales the ash mouth, step motor's outer wall fixedly connected with motor cover.

Preferably, the outer wall of the connecting block is fixedly connected with a containing groove.

Preferably, the bottom swing joint of base has the gyro wheel, the middle part fixedly connected with connecting rod of gyro wheel, the top fixedly connected with telescopic link of connecting rod, the flexible motor of top fixedly connected with of telescopic link.

Preferably, one side of the roller is fixedly connected with a rubber pad.

Preferably, the step motor at the top of the base, the connecting block at the top of the step motor, the sliding rod at the top of the connecting block, the connecting sleeve on the outer wall of the sliding rod, the moving plate on one side of the connecting sleeve, the lug on one side of the moving plate and the groove on the other side of the moving plate jointly form the movable display mechanism.

Preferably, the baffle on the inner wall of the moving plate, the filter layer in the middle of the baffle, the suction fan on one side of the filter layer, the display plate on the outer wall of the moving plate and the dust suction port on the outer wall of the display plate jointly form a dust suction filter mechanism.

Compared with the prior art, the beneficial effects of the utility model are that:

1. according to the demonstration device for English teaching, the movable plate can be moved up and down by a user according to the height of the user through the movable demonstration mechanism, so that the movable plate is adaptive to the height of the user, the stepping motor is started to drive the movable plate to rotate, and the novel turnover type explanation can enable students to have unexpected interest, so that attention is focused on the display board, teaching efficiency is improved, meanwhile, the display board can be moved up and down without affecting other people, and students with various heights can normally perform the teaching board;

2. this kind of presentation device is used in english teaching, inhale grey filter mechanism through the setting, open the suction fan, can be through inhaling the ash mouth and inhale the air, inhale the ash mouth with the dust simultaneously, the filter layer sets up at the inlet scoop, and the inside micropore diameter of filter layer is less than the dust diameter, can filter the dust, and can pull down the show board after pulling down fixing bolt, and then change the filter layer, can adsorb the filtration to the dust, and then reduced the human volume of inhaling the dust, teacher and student's life health has been guaranteed indirectly.

Drawings

Fig. 1 is a schematic view of the overall structure of the device body of the present invention;

FIG. 2 is a schematic structural view of the movable display mechanism of the present invention;

fig. 3 is a schematic top view of the movable display mechanism of the present invention;

fig. 4 is an enlarged schematic view of the utility model at a;

FIG. 5 is a schematic structural view of the ash-sucking and filtering mechanism of the present invention;

fig. 6 is a schematic structural view of the moving plate of the present invention.

In the figure: 1. a base; 2. a motor cover; 3. a storage groove; 4. a roller; 5. a rubber pad; 6. a telescopic rod; 7. a telescopic motor; 8. a stepping motor; 9. connecting blocks; 10. a slide bar; 11. a connecting sleeve; 12. moving the plate; 13. a bump; 14. a groove; 15. a baffle plate; 16. a filter layer; 17. a suction fan; 18. a display board; 19. a dust sucking port; 20. a connecting rod.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby features defined as "first", "second" may explicitly or implicitly include one or more such features, in the description of the invention "plurality" means two or more unless explicitly and specifically defined otherwise.

Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides a presentation device is used in english teaching, the on-line screen storage device comprises a base 1, step motor 8 and baffle 15, base 1's top fixedly connected with step motor 8, step motor 8's top fixedly connected with connecting block 9, the top fixedly connected with slide bar 10 of connecting block 9, the outer wall swing joint of slide bar 10 has connecting sleeve 11, one side fixedly connected with movable plate 12 of connecting sleeve 11, one side fixedly connected with lug 13 of movable plate 12, the opposite side fixedly connected with of movable plate 12 is fluted 14, the inner wall fixedly connected with baffle 15 of movable plate 12, the middle part fixedly connected with filter layer 16 of baffle 15, one side fixedly connected with suction fan 17 of filter layer 16, the outer wall fixedly connected with show board 18 of movable plate 12, the outer wall fixedly connected with of show board 18 inhales grey mouthful 19, step motor 8's outer wall fixedly connected with motor cover 2.

Preferably, outer wall fixedly connected with storage tank 3 of connecting block 9, because the teacher is more debris on the table, make article be difficult to find fast when using a bit, and then extravagant teaching time, through setting up storage tank 3, set up storage tank 3 at the outer wall of connecting block 9, the teacher is after finishing using, can directly put into storage tank 3 with article, make storage tank 3 become fixed deposit point, be convenient for take next time, the time waste of looking for teaching tool and bringing has been avoided, the practicality of device has been improved.

Preferably, base 1's bottom swing joint has gyro wheel 4, gyro wheel 4's middle part fixedly connected with connecting rod 20, connecting rod 20's top fixedly connected with telescopic link 6, telescopic link 6's the flexible motor 7 of top fixedly connected with, the present presentation device is most comparatively heavy, need many people to carry, it is very inconvenient to make presentation device's transport, through setting up gyro wheel 4, when needs remove, can open flexible motor 7, it extends to make it drive telescopic link 6, because telescopic link 6 and connecting rod 20 fixed connection, can make connecting rod 20 remove downwards, then make gyro wheel 4 ground connection simultaneously with base 1 top off the ground, can remove through gyro wheel 4 roll drive arrangement, can drive arrangement remove, can pack up the walking wheel simultaneously and avoid unexpected slip, the practicality of device has been improved.

Preferably, one side fixedly connected with rubber pad 5 of gyro wheel 4, current presentation device is made by the metal mostly, because the inside ground in classroom is comparatively smooth, is very likely to be because the frictional force is less makes the device skid, through setting up rubber pad 5, sets up rubber pad 5 in the device bottom, because rubber pad 5 surface is comparatively crude, can produce great frictional force with the contact surface, and then reduces the possibility that the device skidded, has improved the practicality of device.

Preferably, the stepping motor 8 on the top of the base 1, the connecting block 9 on the top of the stepping motor 8, the sliding rod 10 on the top of the connecting block 9, the connecting sleeve 11 on the outer wall of the sliding rod 10, the moving plate 12 on one side of the connecting sleeve 11, the bump 13 on one side of the moving plate 12 and the groove 14 on the other side of the moving plate 12 jointly form a movable display mechanism, most of the existing display plates can only provide knowledge point demonstration for students, the understanding and the memory of the students are not greatly helped, the function of assisting the students to concentrate attention is not enough, the interactivity with the students is relatively poor, by arranging the movable display mechanism, when a class is given, a plurality of students can randomly take the demonstration plates on the desk, the students can move the moving plate 12 up and down according to the height, so that the connecting sleeve 11 can slide up and down on the outer wall of the sliding rod 10, and meanwhile, the bump 13 and the groove 14 are mutually connected, the event movable plate 12 removes and can drive lug 13 and remove inside recess 14, can make movable plate 12 can adapt to student's height completely, the performance board finishes the back, can open step motor 8, make it drive connecting block 9 and rotate, thereby reach and talk back the effect that the one side can be converted to next side, panel in this mechanism can reciprocate under the condition that does not influence other people, make the student of each height all can normally carry out the performance board, and presentation device is similar to a triangular prism, because the sight problem, the student is difficult to carry out the answer contrast, the practicality of device has been improved, the explanation of "turn-over type" can make the student produce unexpected interest simultaneously, thereby concentrate on the panel attention, teaching efficiency has been promoted, the practicality of device has been improved.

Preferably, the baffle 15 on the inner wall of the moving plate 12, the filter layer 16 in the middle of the baffle 15, the suction fan 17 on one side of the filter layer 16, the display plate 18 on the outer wall of the moving plate 12 and the dust suction port 19 on the outer wall of the display plate 18 form a dust suction filter mechanism, in the prior art, teachers generally use chalks to give lessons on blackboard writing, however, no matter in the process of using chalks or in the process of wiping chalk marks by using a blackboard eraser, a large amount of chalks dust is generated and possibly sucked by teachers and students in the front row, and the health of the teachers is further influenced, by arranging the dust suction filter mechanism, when blackboard writing is carried out or the chalks are wiped by using a blackboard eraser, the suction fan 17 can be opened, so that the suction fan 17 blows air, and then negative pressure is formed inside the suction fan 17, and then air is sucked into the suction fan 17 through the dust suction port 19, and dust is scattered in the air, can follow the air admission dust absorption mouth 19 with making the dust, filter layer 16 sets up at the inlet scoop simultaneously, and the inside micropore diameter of filter layer 16 is less than the dust diameter, can filter the dust, baffle 15 can restrict the range of wafting of dust simultaneously, avoid the dust to splash around the device is inside, and can pull down show board 18 after pulling down fixing bolt, and then change filter layer 16, this mechanism can adsorb the filtration to the dust, and then reduced the human volume that inhales the dust, teacher's and student's life health has been guaranteed indirectly, the practicality of device has been improved.

The working principle is as follows: firstly, by arranging the movable display mechanism, when teaching, a plurality of students can randomly pick up the table to play the board, the students can move the movable plate 12 up and down according to the height of the students, so that the connecting sleeve 11 can slide up and down on the outer wall of the sliding rod 10, meanwhile, as the movable plates 12 are mutually connected with the groove 14 through the convex block 13, the movable plate 12 can move to drive the convex block 13 to move in the groove 14, so that the movable plate 12 can completely adapt to the height of the students, after the board playing is finished, the stepping motor 8 can be started to drive the connecting block 9 to rotate, thereby achieving the effect that one face can be converted to the next face after the speaking is finished, the display board in the mechanism can move up and down without affecting other people, so that the students with all heights can play the board normally, and the demonstration device is similar to a triangular prism, due to the problem of sight line, the students are difficult to perform answer contrast, the practicability of the device is improved, and meanwhile, the turning type explanation can enable the students to have unexpected interest, so that the attention is focused on the display board, the teaching efficiency is improved, and the practicability of the device is improved;

then, through setting up and inhaling the dust filtering mechanism, while carrying on the blackboard writing or using the blackboard eraser to wipe, can open the suction fan 17, make the suction fan 17 blow out the air, and then form the negative pressure in the interior of the suction fan 17, and then suck the air to the interior of the suction fan 17 through inhaling the dust port 19, because the dust spreads in the air, can make the dust follow the air and enter and inhale the dust port 19, the filter layer 16 sets up in the inlet scoop at the same time, and the internal micropore diameter of the filter layer 16 is smaller than the dust diameter, can filter the dust, the drift range of the dust can be limited at the same time to the baffle 15, prevent the dust from splashing everywhere in the apparatus, and can dismantle the show board 18 after dismantling the fixed bolt, and then change the filter layer 16, the mechanism can absorb and filter the dust, and then has reduced the amount of the human body sucked the dust, guarantee the life health of teacher and student indirectly, the practicability of the device is improved;

then, by arranging the object containing groove 3 and arranging the object containing groove 3 on the outer wall of the connecting block 9, after the teacher finishes using the device, the teacher can directly put objects into the object containing groove 3, so that the object containing groove 3 becomes a fixed storage point, the next time of taking the device is convenient, the time waste caused by searching for teaching tools is avoided, and the practicability of the device is improved;

then, by arranging the roller 4, when the device needs to be moved, the telescopic motor 7 can be opened to drive the telescopic rod 6 to extend, the connecting rod 20 can be moved downwards due to the fixed connection of the telescopic rod 6 and the connecting rod 20, then the roller 4 is grounded, and the base 1 is ejected off the ground at the same time, so that the device can be moved by rolling the roller 4, the device can be driven to move, and meanwhile, the travelling wheels can be folded to avoid accidental sliding, thereby improving the practicability of the device;

finally, through setting up rubber pad 5, set up rubber pad 5 in the device bottom, because rubber pad 5 surface is comparatively crude, can produce great frictional force with the contact surface, and then reduce the possibility that the device skidded, improved the practicality of device, this kind is exactly this kind of demonstration device for english teaching's theory of operation.

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 (7)

1. The utility model provides a presentation device is used in english teaching, includes base (1), step motor (8) and baffle (15), its characterized in that: the top of the base (1) is fixedly connected with a stepping motor (8), the top of the stepping motor (8) is fixedly connected with a connecting block (9), the top of the connecting block (9) is fixedly connected with a sliding rod (10), the outer wall of the sliding rod (10) is movably connected with a connecting sleeve (11), one side of the connecting sleeve (11) is fixedly connected with a moving plate (12), one side of the moving plate (12) is fixedly connected with a convex block (13), the other side of the moving plate (12) is fixedly connected with a groove (14), the inner wall of the moving plate (12) is fixedly connected with a baffle plate (15), the middle part of the baffle (15) is fixedly connected with a filter layer (16), one side of the filter layer (16) is fixedly connected with a suction fan (17), the outer wall fixedly connected with show board (18) of movable plate (12), the outer wall fixedly connected with of show board (18) inhales grey mouth (19).

2. The demonstration device for english teaching of claim 1, characterized in that: the outer wall of the stepping motor (8) is fixedly connected with a motor cover (2).

3. The demonstration device for english teaching of claim 1, characterized in that: the outer wall of the connecting block (9) is fixedly connected with a storage groove (3).

4. The demonstration device for english teaching of claim 1, characterized in that: the bottom swing joint of base (1) has gyro wheel (4), the middle part fixedly connected with connecting rod (20) of gyro wheel (4), the top fixedly connected with telescopic link (6) of connecting rod (20), the flexible motor (7) of top fixedly connected with of telescopic link (6).

5. The demonstration device for English teaching of claim 4, wherein: one side of the roller (4) is fixedly connected with a rubber pad (5).

6. The demonstration device for english teaching of claim 1, characterized in that: step motor (8) at base (1) top, connecting block (9) at step motor (8) top, slide bar (10) at connecting block (9) top, connecting sleeve (11) of slide bar (10) outer wall, movable plate (12) of connecting sleeve (11) one side, lug (13) and recess (14) of movable plate (12) opposite side of movable plate (12) one side constitute the activity show mechanism jointly.

7. The demonstration device for english teaching of claim 1, characterized in that: baffle (15) of movable plate (12) inner wall, filter layer (16) of baffle (15) middle part, suction fan (17) of filter layer (16) one side, ash absorption filter mechanism is constituteed jointly to show board (18) of movable plate (12) outer wall and ash absorption mouth (19) of show board (18) outer wall.

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