CN214744726U

CN214744726U - Demonstration device for language teaching

Info

Publication number: CN214744726U
Application number: CN202120806924.6U
Authority: CN
Inventors: 聂敏
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-19
Filing date: 2021-04-19
Publication date: 2021-11-16
Anticipated expiration: 2031-04-19

Abstract

The utility model relates to the technical field of teaching aids, and discloses a demonstration device for language teaching, which comprises a bottom case, wherein both sides of the top of the bottom case are fixedly connected with slide bars, the surface of the slide bars is connected with slide blocks in a sliding way, and two opposite sides of the slide blocks are fixedly connected with a demonstration board, an inner cavity of the demonstration board is provided with a movable hole, the bottom of the inner cavity of the movable hole is embedded with a threaded sleeve, the inner cavity of the threaded sleeve is connected with a threaded rod in a threaded way, the utility model drives a transmission shaft and a driving gear to rotate by rotating a turntable, and then the driving gear drives a driven gear and the threaded rod to rotate, and the threaded rod rotates in the threaded sleeve, because the threaded sleeve is embedded in the inner cavity of the demonstration board, the demonstration board is limited by the slide bars and the slide blocks, the demonstration board can be driven to move upwards, thus being convenient for students to better watch the content on the demonstration board, the cooperation of above structure has improved the flexibility of teaching and student's learning efficiency.

Description

Demonstration device for language teaching

Technical Field

The utility model relates to a teaching aid technical field especially relates to a presentation device is used in language teaching.

Background

The Chinese teaching is boring, a teacher mostly only explains the text content in a textbook when giving lessons, the simple text explanation cannot arouse the learning interest of students, and some related Chinese lessons describe beautiful backgrounds or scenes of stories, cannot be realized by explanation, are abstract to sound and do not have the feeling of being personally on the scene.

In the course of giving lessons, the explanation of a large amount of articles and vocabularies needs to be carried out, so as to help students understand, digest and absorb, and then the knowledge reserve of students is increased, the comprehensive quality of students is improved, in the course of giving lessons in Chinese language, the explanation of a large amount of articles and vocabularies needs to be carried out, so as to help students understand, the knowledge reserve of students is increased, when the Chinese teaching is carried out at present, a display screen is usually used as a demonstration device, but the current demonstration device is lack of uniqueness and inflexible in teaching, the study understanding of the students on the knowledge of Chinese language and literature is reduced, and the study efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model provides a presentation device is used in language teaching possesses the nimble advantage that improves student's learning efficiency of teaching, has solved present presentation device and has lacked uniqueness, teaching inflexibility, has reduced the study understanding of student to chinese language and literature knowledge, leads to the lower problem of learning efficiency.

In order to solve the technical problem, the utility model provides a demonstration device for language teaching, which comprises a bottom case, the two sides of the top of the bottom box are fixedly connected with slide bars, the surfaces of the slide bars are connected with slide blocks in a sliding way, one sides of the two slide blocks opposite to each other are fixedly connected with demonstration boards, the inner cavity of the demonstration board is provided with a movable hole, the bottom of the inner cavity of the movable hole is embedded with a threaded sleeve, the inner cavity of the threaded sleeve is connected with a threaded rod in a threaded manner, the bottom of the threaded rod penetrates through the bottom box and extends to the inner cavity of the bottom box, the bottom of the threaded rod is movably connected with the bottom box through a bearing, a driven gear is sleeved on a section of the threaded rod, which is positioned in the inner cavity of the bottom box, the right side of the driven gear is engaged with a driving gear, the right side of the driving gear is fixedly connected with a transmission shaft, the right side of transmission shaft runs through the under casing and extends to the outside and the fixedly connected with carousel of under casing.

Preferably, all swing joint has the universal wheel all around the bottom half bottom, the right side of universal wheel is provided with the lock support.

Preferably, the top fixedly connected with stopper of threaded rod, the fixed surface of demonstration board is connected with the display screen.

Preferably, a through hole is formed in the top of the inner cavity of the bottom box, and the threaded rod is located in the inner cavity of the through hole.

Preferably, the right side of the bottom of the inner cavity of the bottom box is fixedly connected with a supporting rod, and the inner cavity of the supporting rod is movably connected with the transmission shaft through a bearing.

Preferably, the top on the right side of the turntable is fixedly connected with a handle, and the surface of the handle is provided with anti-skid grains.

Compared with the prior art, the utility model provides a pair of presentation device for language teaching has following beneficial effect:

1. the utility model discloses a rotate the carousel and drive transmission shaft and driving gear and rotate, and then the driving gear drives driven gear and threaded rod and rotates, and the threaded rod rotates in the thread bush, because the thread bush inlays the inner chamber of establishing at the demonstration board, rethread slide bar and slider carry on spacingly to the demonstration board, can drive demonstration board rebound promptly, can make things convenient for the student to better watch the content on the demonstration board like this, the cooperation of above structure has improved the flexibility of teaching and student's learning efficiency.

2. The utility model is provided with the universal wheels, thereby being convenient for teachers to move the demonstration device and enlarging the application range;

through setting up the bracing piece, can support transmission shaft and driving gear to when the driving gear drives driven gear and rotates, avoid the position of driving gear to take place to slide partially.

Drawings

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

FIG. 2 is a cross-sectional view of the bottom case and the demonstration board in the structure of the present invention;

FIG. 3 is a cross-sectional view of the threaded sleeve of the present invention;

fig. 4 is a partial enlarged view of a in the structure of the present invention.

In the figure: 1. a bottom box; 2. a slide bar; 3. a slider; 4. a demonstration board; 5. a movable hole; 6. a threaded sleeve; 7. a threaded rod; 8. a driven gear; 9. a driving gear; 10. a drive shaft; 11. a turntable; 12. a universal wheel; 13. a through hole; 14. a support bar; 15. a handle; 16. and a limiting block.

Detailed Description

The technical solutions 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, 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.

Examples

As shown in figures 1-4, the demonstration device for language teaching comprises a bottom case 1, wherein two sides of the top of the bottom case 1 are fixedly connected with slide rods 2, the surfaces of the slide rods 2 are connected with slide blocks 3 in a sliding manner, one sides of the two slide blocks 3 opposite to each other are fixedly connected with a demonstration board 4, an inner cavity of the demonstration board 4 is provided with a movable hole 5, the bottom of the inner cavity of the movable hole 5 is embedded with a threaded sleeve 6, the inner cavity of the threaded sleeve 6 is in threaded connection with a threaded rod 7, the bottom of the threaded rod 7 penetrates through the bottom case 1 and extends to the inner cavity of the bottom case 1, the bottom of the threaded rod 7 is movably connected with the bottom case 1 through a bearing, one section of the threaded rod 7, which is positioned in the inner cavity of the bottom case 1, is sleeved with a driven gear 8, the right side of the driven gear 8 is meshed with a driving gear 9, the right side of the driving gear 9 is fixedly connected with a transmission shaft 10, the right side of the transmission shaft 10 penetrates through the bottom case 1 and extends to the outside of the bottom case 1 and is fixedly connected with a turntable 11, drive transmission shaft 10 and driving gear 9 through rotating carousel 11 and rotate, and then driving gear 9 drives driven gear 8 and threaded rod 7 and rotates, and threaded rod 7 is at 6 internal rotations of thread bush, because 6 inlays of thread bush and establishes the inner chamber at demonstration board 4, rethread slide bar 2 and slider 3 carry on spacingly to demonstration board 4, can drive demonstration board 4 and move up promptly, can make things convenient for the student to better watch the content on demonstration board 4 like this, the cooperation of above structure, the flexibility of teaching and student's learning efficiency have been improved.

Referring to fig. 1 and 2, universal wheels 12 are movably connected to the periphery of the bottom case 1, a lock bracket is arranged on the right side of each universal wheel 12, and the universal wheels 12 are arranged, so that a teacher can conveniently move the demonstration device, and the application range is expanded.

Referring to fig. 1 and 2, a limiting block 16 is fixedly connected to the top of the threaded rod 7, and a display screen is fixedly connected to the surface of the demonstration board 4.

Referring to fig. 2 and 4, a through hole 13 is formed at the top of the inner cavity of the bottom case 1, and the threaded rod 7 is located in the inner cavity of the through hole 13.

Referring to fig. 2, a support rod 14 is fixedly connected to the right side of the bottom of the inner cavity of the bottom case 1, the inner cavity of the support rod 14 is movably connected to the transmission shaft 10 through a bearing, the transmission shaft 10 and the driving gear 9 can be supported by the support rod 14, and when the driving gear 9 drives the driven gear 8 to rotate, the position of the driving gear 9 is prevented from sliding.

Referring to fig. 1 and 2, a handle 15 is fixedly connected to the top of the right side of the turntable 11, and anti-slip threads are arranged on the surface of the handle 15.

The working principle is as follows:

the first step is as follows: firstly, moving the demonstration device to a required position through the universal wheel 12, and then starting a display screen to demonstrate pictures and characters;

the second step is that: when the students in the backseat are inconvenient to watch, a teacher can drive the transmission shaft 10 and the driving gear 9 to rotate through the handle 15 and the turntable 11, then the driving gear 9 drives the driven gear 8 and the threaded rod 7 to rotate, and when the threaded rod 7 rotates in the threaded sleeve 6, the threaded sleeve 6 is embedded in the inner cavity of the demonstration board 4, and the demonstration board 4 is limited to move through the slide rod 2 and the slide block 3, so that the threaded rod 7 rotates to drive the demonstration board 4 to move upwards, the teaching flexibility can be improved, and the students in the backseat can watch the contents on the demonstration board 4 better;

the third step: after the teaching is finished, the teacher reversely rotates the handle 15 and the rotary plate 11, so that the demonstration board 4 can be reset downwards, and the teacher can conveniently push the demonstration device to move.

Through above structure, solved present presentation device lack uniqueness, teaching inflexible, reduced the student to the study understanding of chinese language and literature knowledge, student's the lower problem of learning efficiency.

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.

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. The utility model provides a presentation device is used in language teaching, includes under casing (1), its characterized in that: the demonstration board is characterized in that sliding rods (2) are fixedly connected to two sides of the top of the bottom box (1), a sliding block (3) is connected to the surface of each sliding rod (2), two demonstration boards (4) are fixedly connected to one opposite sides of the sliding blocks (3), a movable hole (5) is formed in the inner cavity of each demonstration board (4), a threaded sleeve (6) is embedded into the bottom of the inner cavity of each movable hole (5), a threaded rod (7) is connected to the inner cavity of each threaded rod (7) in a threaded mode, the bottom of each threaded rod (7) penetrates through the bottom box (1) and extends to the inner cavity of the bottom box (1), the bottom of each threaded rod (7) is movably connected with the bottom box (1) through a bearing, a section of the threaded rod (7) located in the inner cavity of the bottom box (1) is sleeved with a driven gear (8), a driving gear (9) is meshed with the right side of the driven gear (8), a driving gear (10) is fixedly connected to the right side of the driving gear (9), the right side of the transmission shaft (10) penetrates through the bottom box (1) and extends to the outside of the bottom box (1) and is fixedly connected with a turntable (11).

2. A demonstration apparatus for language teaching according to claim 1 wherein: all swing joint has universal wheel (12) all around of bottom case (1) bottom, the right side of universal wheel (12) is provided with the lock support.

3. A demonstration apparatus for language teaching according to claim 1 wherein: the top fixedly connected with stopper (16) of threaded rod (7), the fixed surface of demonstration board (4) is connected with the display screen.

4. A demonstration apparatus for language teaching according to claim 1 wherein: through-hole (13) have been seted up at the top of under casing (1) inner chamber, threaded rod (7) are located the inner chamber of through-hole (13).

5. A demonstration apparatus for language teaching according to claim 1 wherein: the right side fixedly connected with bracing piece (14) of under casing (1) inner chamber bottom, the inner chamber of bracing piece (14) passes through bearing and transmission shaft (10) swing joint.

6. A demonstration apparatus for language teaching according to claim 1 wherein: the top on the right side of the turntable (11) is fixedly connected with a handle (15), and anti-skid grains are arranged on the surface of the handle (15).