CN113888932A - Make things convenient for mutual locking regulation formula of memory contrast board for chinese-Japanese language teaching - Google Patents

Abstract

The invention provides an interlocking adjusting type comparison board for Chinese and Japanese language teaching, which is convenient to remember and belongs to the technical field of teaching appliances. The exhibition device comprises a fixed plate assembly, an exhibition direction adjusting assembly, an exhibition angle adjusting assembly and a pull plate assembly; the fixed base in the display direction adjusting assembly is placed on the operation ground, and a teaching teacher can write on the display board in the board fixing assembly; the display board can be adjusted in the left and right display directions through the display direction adjusting assembly, the driving motor can automatically move up and down and can be used as a driving source of the display angle adjusting assembly, the direction adjusting gear can be locked while the display board is adjusted in the left and right display directions, the switching gear can be locked while the display board is adjusted in the display angle, and the purpose of stably adjusting the display direction and the display angle is achieved; meanwhile, the drawing plate assembly arranged at the top of the fixed frame can properly cover the written Chinese and Japanese blackboard writing, so that the student can remember the writing conveniently.

Description

Make things convenient for mutual locking regulation formula of memory contrast board for chinese-Japanese language teaching

Technical Field

The invention relates to the technical field of teaching appliances, in particular to an interlocking adjusting type comparison board for Chinese and Japanese language teaching, which is convenient to remember.

Background

In the process of advanced education and teaching, multimedia teaching is favored by teachers, the teaching quality is not satisfactory, and the traditional blackboard-writing teaching has irreplaceable and unique advantages because of flexible application.

In the language teaching, the contents such as the explanation principle, the generation process, the occurrence and development process of things and the like of multimedia are not needed, therefore, the requirements of students can be met only by the blackboard writing teaching explanation without the matching of auxiliary links such as pictures or schematic diagrams, as disclosed in the prior art (CN 108819570A), the contrast display blackboard for French word teaching comprises a supporting base, an internal thread rotating rod is rotatably connected to the top of a supporting table, a lifting threaded rod is connected to the internal thread of the internal thread rotating rod, a display blackboard is rotatably connected to a movable sliding block, a contrast auxiliary plate is fixedly connected to the top of a screw rod sliding block, a hand-operated rod is fixedly connected to the right end of a screw rod, an air suction device is fixedly connected to the bottom of the supporting table, the angle of the contrast display plate can be adjusted, the multi-angle teaching device provides convenience for students to observe and study at multiple angles to a certain extent, and can improve teaching efficiency properly.

However, in practical teaching applications, since a general classroom has a large area, the display board can only adjust a single pitching angle and cannot meet the visual learning requirement of an academic department, and a long-time blackboard squinting mode is very easy to cause myopia for students positioned at the corners of the classroom, so that the display direction needs to be adjusted in real time aiming at different areas in the explanation process of the blackboard writing, and the students in different areas of the square board copy and watch the blackboard writing; on the other hand, most of the traditional writing methods of writing on blackboard are writing the Chinese and Japanese languages on the blackboard in a contrast double-line way, so as to facilitate teaching use, although simple contrast teaching can be performed, the explanation of the Chinese and Japanese languages can be completely displayed and exposed in front of the students in the whole process of explanation, so that the corresponding memory of the students is inconvenient.

Disclosure of Invention

In order to solve the technical problems in the background art, the invention provides a conveniently-remembered interlocking adjusting type comparison plate for Chinese and Japanese language teaching, which comprises a plate fixing component, a display direction adjusting assembly, a display angle adjusting assembly and a pull plate assembly, wherein the display direction adjusting assembly comprises a fixing base, an angle adjusting support, an angle adjusting shaft, a direction adjusting gear, a driving gear and a driving motor, the display angle adjusting assembly comprises an angle adjusting gear, a switching gear, a lower locking tooth and an upper locking tooth, and the pull plate assembly comprises a rotating cylinder and a covering plate;

the teaching demonstration device comprises a fixed plate assembly, a demonstration direction adjusting assembly, a driving motor shaft, a direction adjusting gear, a driving gear, a display direction adjusting assembly and a display direction adjusting assembly, wherein the fixed plate assembly is a teaching demonstration base body and is fixed on an operation ground through a fixed base in the demonstration direction adjusting assembly, the back surface of the fixed plate assembly is transversely connected with the angle adjusting shaft, the upper end of the fixed base is screwed with an angle adjusting support, the angle adjusting shaft is screwed at the top end of the angle adjusting support, the top end of the fixed base is fixedly provided with the direction adjusting gear, one side of the direction adjusting gear is meshed with the driving gear, the driving gear is connected with the driving motor shaft, and the driving motor can automatically move up and down;

an angle adjusting gear in the display angle adjusting assembly is fixedly inserted into an angle adjusting shaft, a switching gear is arranged at the lower end of the angle adjusting gear, a driving motor can move upwards to enable a driving gear to be meshed with the switching gear, a lower locking gear is connected to the lower end of the driving motor, an upper locking gear is connected to the upper end of the driving motor, the upper locking gear can just lock the switching gear when the driving gear is meshed with the direction adjusting gear, and the lower locking gear can just lock the direction adjusting gear when the driving gear is meshed with the switching gear;

the angle adjusting gear is connected with the switching gear through a transmission mechanism;

the rotary drum in the pulling plate assembly is rotatably arranged at the top end of the plate fixing component, a plurality of groups of covering plates are wound in the rotary drum, and the plurality of groups of covering plates can move up and down at the front end of the plate fixing component.

A fixing frame in the fixing plate assembly is of a square frame structure, and a display plate of a flat plate structure is arranged in the fixing frame;

a rotating seat in the display direction adjusting assembly is fixed at the top of the fixed base, the lower end of the angle adjusting support is rotatably connected in the rotating seat, and the direction adjusting gear is installed on the outer wall of the rotating seat in an inserting mode;

rear support seats are symmetrically fixed on the left side and the right side of the rear end of the fixed frame, and the angle adjusting shaft is inserted and fixed in the rear support seats;

the transmission mechanism arranged between the angle adjusting gear and the switching gear comprises a connecting gear, a connecting seat, a connecting shaft, a switching gear, a switching shaft seat, a connecting bevel gear, a switching bevel gear, a bevel gear shaft and a bevel gear shaft seat, wherein one side of the angle adjusting gear is meshed with the connecting gear, the connecting gear is rotatably connected in the connecting shaft, the rear end of the connecting shaft is fixed on the side surface of the connecting seat, one end of the connecting seat is fixed in an angle adjusting support, one side of the connecting gear is meshed with the switching gear, the switching gear is fixedly connected at one end of the switching shaft in an inserting manner, the switching shaft is rotatably connected in the switching shaft seat, the other end of the switching shaft seat is fixedly arranged in the connecting shaft, the other end of the switching shaft is fixedly connected with the connecting bevel gear in an inserting manner, the lower side of the connecting bevel gear is meshed with the switching bevel gear, and the switching bevel gear is fixedly connected at the upper end of the bevel gear shaft in an inserting manner, the front end of the connecting seat is provided with a bevel gear shaft seat, the bevel gear shaft is rotatably connected in the bevel gear shaft seat, and the switching gear is fixedly inserted at the lower end of the bevel gear shaft;

two groups of pulling plate rotating bases in the pulling plate assembly are fixed at the top end of the fixed frame in a bilateral symmetry manner, rotating cylinder shafts are connected in the two groups of pulling plate rotating bases in a common rotating manner, the rotating cylinders are coaxially inserted and fixed in the rotating cylinder shafts, the outer shaft ends of the rotating cylinder shafts are fixedly inserted and fixed with rotating gears, the lower sides of the rotating gears are meshed with rotating drive gears, the rotating drive gears are connected with rotating drive motor shafts, and the rotating drive motors are fixed on the side surfaces of the fixed frame;

the two ends of each group of the covering plates are fixedly connected with a lifting rope seat, the left end and the right end of the rotary cylinder are respectively connected with a lifting rope in a winding mode, the tail ends of the two groups of the lifting ropes are fixed on the cylinder wall of the rotary cylinder through lifting rope lock catches, and the plurality of groups of the covering plates are respectively sleeved in the corresponding lifting ropes through the lifting rope seats connected with the two ends after a fixed interval is formed.

Further, a plurality of groups are fixed with the conversion slide rail on the front end face of angle modulation support, sliding connection has the conversion slide in the conversion slide rail, driving motor's rear end is fixed in the conversion slide, top one side that angle modulation supported is fixed with flexible drive seat, the flexible drive of fixedly connected with in the flexible drive seat, driving motor's bottom is connected with ejector pin even board, flexible driven telescopic link is connected fixedly with ejector pin even board, makes under flexible driven drive, driving motor can reciprocate in the vertical direction.

Furthermore, a lower connecting plate in the display angle adjusting assembly is fixed at the front end of the driving motor, the lower locking teeth are fixed at the lower end of the lower connecting plate, an upper connecting plate is fixed at the upper end of the lower connecting plate, and the upper locking teeth are fixed at the upper end of the upper connecting plate.

Further, the lower locking teeth are consistent with the tooth profile structure of the direction adjusting gear, and the upper locking teeth are consistent with the tooth profile structure of the switching gear.

Furthermore, the positions of the top surface of the fixing frame corresponding to the covering plates are provided with covering plate lower positions, the positions of the inner sides of the frames at the left and right ends of the fixing frame corresponding to the sling seats connected to the two ends of the covering plates are provided with covering plate side positions, and each group of covering plate side positions are communicated with the covering plate lower position at the top, so that the covering plates wound on the rotary cylinder can enter the frame of the fixing frame through the covering plate lower positions.

Furthermore, the top surface of the fixed frame and the positions corresponding to the two groups of lifting ropes are respectively provided with a limiting wheel, the two groups of limiting wheels are respectively symmetrically arranged at two sides of the corresponding lifting ropes, each group of limiting wheels is rotatably connected in a corresponding limiting wheel seat, and the limiting wheel seats are fixed on the top surface of the fixed frame.

Compared with the existing contrast plate for language teaching, the interlocking adjusting type contrast plate for Chinese and Japanese language teaching, which is convenient to remember, provided by the invention has the following advantages:

(1) the invention can realize the bidirectional linkage adjustment of the display direction and the display angle of the display board in the board fixing component by starting the driving motor in the display direction adjusting assembly, when the display board needs to be adjusted in the left and right display directions, the display direction adjusting assembly is started to drive the telescopic driving in the display direction adjusting assembly to drive the driving motor to move downwards through the ejector rod connecting plate connected to the bottom end of the driving motor, so that the driving gear connected with the lower end of the driving motor and the direction adjusting gear form matching transmission, the driving motor is started to drive the driving gear to rotate, the main body angle adjusting support connected with the driving motor can be driven to rotate by taking the center of the direction adjusting gear as an axis, and the fixed plate assembly is rotatably connected to the top end of the angle adjusting support through an angle adjusting shaft at the rear end, so that the adjustment of the left and right display directions of the fixed plate assembly can be completed; after the left and right display directions of the display board are adjusted, the driving motor is driven to move upwards by starting the telescopic driving again, so that the driving gear and the switching gear form matched transmission, after the driving gear and the switching gear form transmission fit, the switching gear drives the conversion bevel gear to rotate coaxially through the bevel gear shaft, so that the conversion bevel gear and the connecting bevel gear form fit transmission, thereby enabling the connecting bevel gear to coaxially drive the conversion gear to rotate through the conversion shaft, further enabling the conversion gear to drive the angle adjusting gear to rotate through the connecting gear, thereby the angle adjusting shaft can rotate in the angle adjusting support, the adjustment of the display angle of the display board in the board fixing component connected with the front end of the angle adjusting shaft can be finally completed, the mode of linkage adjustment of the display direction and the display angle is realized through the same drive, so that the display effect is better while the energy is saved.

(2) The lower locking tooth and the upper locking tooth are further arranged on one side of the driving motor in the display direction adjusting assembly, left and right direction adjustment is carried out on the fixed plate component, the switching gear can be just clamped by the upper locking tooth connected to the top end of the driving motor while the driving gear and the direction adjusting gear are in transmission fit, so that transmission between the switching gear and the angle adjusting gear is disabled, the rotating direction of the angle adjusting shaft can be locked, and the fixed plate component cannot carry out display angle adjustment; after the adjustment of the left and right display directions of the fixed plate assembly is completed, the telescopic driving is started again to drive the driving motor to move upwards, so that the driving gear and the switching gear form matched transmission, at the moment, the driving motor moves upwards, the locking teeth are separated from the clamping lock of the switching gear, the locking teeth and the direction adjusting gear form the clamping lock, the adjustment of the left and right display directions of the fixed plate assembly can be locked, and the direction and the angle of the fixed plate assembly can be adjusted more stably by adjusting the interlocking mode.

(3) After the board corresponding to the middle day is written, the rotary pull driving gear is driven to rotate by starting the rotary pull driving motor, so that the rotary pull driving gear and the rotary pull gear form matched transmission, the rotary cylinder can rotate by taking the rotary cylinder shaft as the center, two groups of lifting ropes wound on the rotary cylinder can be driven to perform vertical winding action, and a plurality of groups of covering plates connected to the inner sides of the two groups of lifting ropes can be driven to move up and down on the front side of the display board, so that Chinese or Japanese at corresponding positions are covered, and the aim of facilitating memory can be achieved by asking students.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of an overall structure of an interlocking adjustable comparison board for Chinese-Japanese language teaching, which facilitates memory;

FIG. 2 is a schematic structural view of a plate fixing assembly according to the present invention;

FIG. 3 is a schematic view of the present invention showing the mounting structure of the direction adjustment assembly;

FIG. 4 is a schematic structural view of the present invention showing a direction adjustment assembly;

FIG. 5 is a schematic view of the present invention showing the orientation of the angle adjustment assembly in an adjusted position;

FIG. 6 is a schematic view of the present invention showing the angle adjustment assembly in an angle adjustment state;

FIG. 7 is a schematic structural view of a lower locking tooth portion of the angle adjustment assembly of the present invention;

FIG. 8 is a schematic view of the mounting structure of the pulling plate assembly of the present invention;

FIG. 9 is a schematic view of the construction of the rotary pull gear portion of the pull plate assembly of the present invention;

FIG. 10 is a schematic view of the structure of the lower portion of the cover plate of the pulling plate assembly of the present invention;

fig. 11 is a schematic structural view of a limiting wheel portion in the pull plate assembly of the present invention.

Reference numerals: 1. fixing the plate assembly; 2. a display direction adjustment assembly; 3. displaying the angle adjustment assembly; 4. a pull plate assembly; 101. fixing the frame; 102. a display board; 201. a fixed base; 202. a rotating base; 203. angle adjusting support; 204. a back support seat; 205. an angle adjusting shaft; 206. a direction adjustment gear; 207. a drive gear; 208. a drive motor; 209. converting the slide rail; 210. a conversion slide seat; 211. a telescopic driving seat; 212. telescopic driving; 213. a mandril connecting plate; 301. an angle adjusting gear; 302. a connecting gear; 303. a connecting seat; 304. a connecting shaft; 305. a switching gear; 306. a conversion shaft; 307. a shaft seat is converted; 308. connecting a bevel gear; 309. converting the bevel gear; 310. a bevel gear shaft; 311. a bevel gear shaft seat; 312. a switching gear; 313. a lower connecting plate; 314. a lower lock tooth; 315. an upper connecting plate; 316. locking teeth are arranged; 401. a pulling plate rotating base; 402. a rotary drum; 403. rotating the drum shaft; 404. rotating and pulling the gear; 405. rotating and pulling the driving gear; 406. a rotary pull driving motor; 407. a cover plate; 408. a cover plate lower position; 409. a sling mount; 410. a lifting rope; 411. a lifting rope lock catch; 412. a covering plate side position; 413. a limiting wheel; 414. and a limiting wheel seat.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The invention provides an interlocking adjusting type comparison board for Chinese and Japanese language teaching, which is convenient to remember and is described by way of example with reference to the accompanying drawings.

The first embodiment is as follows:

an example of the present invention for realizing the joint adjustment of the display direction and the display angle is shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6 and fig. 7, wherein the display board 102 in the fixing board assembly 1 is a teaching display main body, and the comparison board is fixed on the operation floor through a fixing base 201 in the display direction adjusting assembly 2;

an angle adjusting shaft 205 is transversely connected to the back surface of a fixing frame 101 in the fixing plate assembly 1, an angle adjusting support 203 is screwed to the upper end of a fixing base 201, the angle adjusting shaft 205 is screwed to the top end of the angle adjusting support 203, a direction adjusting gear 206 is fixed to the top end of the fixing base 201, a driving gear 207 is meshed with one side of the direction adjusting gear 206, and the driving gear 207 is connected with a driving motor 208 shaft;

a plurality of conversion slide rails 209 are fixed on the front end face of an angle adjustment support 203 in the display direction adjustment assembly 2, a conversion slide seat 210 is connected in the conversion slide rails 209 in a sliding manner, the rear end of a driving motor 208 is fixed in the conversion slide seat 210, a telescopic driving seat 211 is fixed on one side of the top end of the angle adjustment support 203, a telescopic driving seat 212 is fixedly connected in the telescopic driving seat 211, a top rod connecting plate 213 is connected to the bottom of the driving motor 208, and a telescopic rod of the telescopic driving seat 212 is connected and fixed with the top rod connecting plate 213, so that the driving motor 208 can move up and down in the vertical direction under the driving of the telescopic driving plate 212;

an angle adjusting gear 301 in the display angle adjusting assembly 3 is inserted and fixed in an angle adjusting shaft 205, one side of the angle adjusting gear 301 is engaged with a connecting gear 302, one side of the connecting gear 302 is engaged with a conversion gear 305, the conversion gear 305 is inserted and fixed at one end of a conversion shaft 306, the other end of the conversion shaft 306 is inserted and fixed with a connecting bevel gear 308, the lower side of the connecting bevel gear 308 is engaged with a conversion bevel gear 309, the conversion bevel gear 309 is inserted and fixed at the upper end of a bevel gear shaft 310, a switching gear 312 is inserted and fixed at the lower end of the bevel gear shaft 310, and a driving motor 208 can move upwards to enable a driving gear 207 to be engaged with the switching gear 312;

the lower end of a driving motor 208 in the display direction adjusting assembly 2 is connected with a lower locking tooth 314, the upper end is connected with an upper locking tooth 316, when the driving gear 207 is meshed with the direction adjusting gear 206, the upper locking tooth 316 just can lock and lock the switching gear 312, and when the driving gear 207 is meshed with the switching gear 312, the lower locking tooth 314 just can lock and lock the direction adjusting gear 206;

the bidirectional linkage interlocking adjustment of the display direction and the display angle of the fixed plate component 1 can be realized by starting the driving motor 208 in the display direction adjusting assembly 2, when the left and right display directions of the fixed plate component 1 need to be adjusted, the telescopic driving 212 in the display direction adjusting assembly 2 is started, the telescopic driving 212 drives the driving motor 208 to move downwards through the ejector rod connecting plate 213 connected to the bottom end of the driving motor 208, and the driving gear 207 connected to the lower end of the driving motor 208 in a shaft connection mode can form matched transmission with the direction adjusting gear 206;

the driving motor 208 in the exhibition direction adjusting assembly 2 is started to drive the driving gear 207 to rotate, so that the driving gear 207 and the direction adjusting gear 206 form matched transmission, the main body angle adjusting support 203 connected with the driving motor 208 is driven to rotate by taking the center of the direction adjusting gear 206 as an axis, the fixed plate component 1 is rotatably connected to the top end of the angle adjusting support 203 through the angle adjusting shaft 205 at the rear end, and the adjustment of the left and right exhibition directions of the fixed plate component 1 can be completed;

optimally, while the driving gear 207 is in transmission fit with the direction adjusting gear 206, the upper locking gear 316 connected to the top end of the driving motor 208 can just block the switching gear 312, so that the transmission between the switching gear 312 and the angle adjusting gear 301 is disabled, and the rotation direction of the angle adjusting shaft 205 can be locked, so that the plate fixing assembly 1 cannot adjust the display angle;

after the left and right display directions of the fixed plate component 1 are adjusted, the telescopic drive 212 in the display direction adjusting assembly 2 is started again to drive the drive motor 208 to move upwards, so that the drive gear 207 and the switching gear 312 form matched transmission, at the moment, the drive motor 208 moves upwards to enable the upper locking tooth 316 to be separated from the locking of the switching gear 312, and the lower locking tooth 314 and the direction adjusting gear 206 form locking, so that the adjustment of the left and right display directions of the fixed plate component 1 can be locked;

after the driving gear 207 and the switching gear 312 form transmission matching, the switching gear 312 drives the conversion bevel gear 309 to rotate coaxially through the bevel gear shaft 310, so that the conversion bevel gear 309 and the connection bevel gear 308 form matching transmission, and further the connection bevel gear 308 drives the conversion gear 305 to rotate coaxially through the conversion shaft 306, and further the conversion gear 305 drives the angle adjusting gear 301 to rotate through the connection gear 302, and further the angle adjusting shaft 205 can rotate in the angle adjusting support 203, so that the adjustment of the display angle of the fixed plate assembly 1 connected to the front end of the angle adjusting shaft 205 can be finally completed, and the interlocking mode of adjusting the display direction and the display angle is realized through the same drive, so that the adjustment of the direction and the angle of the fixed plate assembly 1 can be stably completed, the requirements of students in different areas can be met, and a certain energy-saving effect is also achieved.

Example two:

an example of implementing the japanese language interdiction teaching in the invention is shown in fig. 1, fig. 2, fig. 3, fig. 8, fig. 9, fig. 10 and fig. 11, two groups of pull plate rotating bases 401 in the pull plate assembly 4 are fixed on the top end of the fixed frame 101 in the fixed plate component 1 in bilateral symmetry, two groups of pull plate rotating bases 401 are commonly and rotatably connected with a rotating cylinder shaft 403, the rotating cylinder 402 is coaxially and fixedly inserted in the rotating cylinder shaft 403, a rotary pull gear 404 is fixedly inserted at the outer shaft end of the rotating cylinder shaft 403, the lower side of the rotary pull gear 404 is engaged with a rotary pull driving gear 405, the rotary pull driving gear 405 is connected with a rotary pull driving motor 406 shaft, and the rotary pull driving motor 406 is fixed on the side of the fixed frame 101;

two ends of each group of covering plates 407 in the pull plate assembly 4 are fixedly connected with a lifting rope seat 409, the left end and the right end of the rotary drum 402 are respectively connected with a lifting rope 410 in a winding manner, the tail ends of the two groups of lifting ropes 410 are fixed on the drum wall of the rotary drum 402 through lifting rope buckles 411, and after a fixed distance is formed among the groups of covering plates 407, the lifting rope seats 409 connected with two ends are respectively sleeved in the corresponding lifting ropes 410;

specifically, the top surface of the fixed frame 101 is provided with two limiting wheels 413 at positions corresponding to the two sets of lifting ropes 410, the two sets of limiting wheels 413 are respectively symmetrically arranged at two sides of the corresponding lifting ropes 410, each set of limiting wheels 413 is rotatably connected in a corresponding limiting wheel seat 414, the limiting wheel seats 414 are fixed on the top surface of the fixed frame 101, and the limiting wheels 413 at two sides of the lifting ropes 410 limit the up-and-down movement process of the lifting ropes 410, so that the covering plates 407 connected to the two sets of lifting ropes 410 can accurately enter the covering plate lower positions 408;

after the blackboard writing for Chinese and Japanese language teaching is written on the main surface of the display board 102 in the fixed board assembly 1 in the up-down position, because Chinese and Japanese are mutually corresponding up and down, the Chinese and Japanese corresponding blackboard writing can be switched and pressed through the fixed space formed by the array cover plates 407, so that the Chinese is completely covered or the Japanese is completely covered, and the memory of students is facilitated;

the rotary pull driving gear 405 is driven to rotate by starting the rotary pull driving motor 406 in the pull plate assembly 4, so that the rotary pull driving gear 405 and the rotary pull gear 404 form matched transmission, the rotary cylinder 402 can rotate by taking the rotary cylinder shaft 403 as a center, and two groups of lifting ropes 410 wound on the rotary cylinder 402 can be driven to perform vertical winding actions, so that a plurality of groups of covering plates 407 connected to the inner sides of the two groups of lifting ropes 410 can be driven to move up and down on the front side of the display plate 102, Chinese or Japanese at corresponding positions are covered, and the purpose of facilitating memory can be achieved through practical application in teaching.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (10)

1. The utility model provides a make things convenient for mutual locking regulation formula chinese and japanese language teaching of memory to use contrast board, includes solid board subassembly (1), its characterized in that: the display device also comprises a display direction adjusting assembly (2), a display angle adjusting assembly (3) and a pull plate assembly (4);

the display direction adjusting assembly (2) comprises a fixing base (201), an angle adjusting support (203), an angle adjusting shaft (205), a direction adjusting gear (206), a driving gear (207) and a driving motor (208), the display angle adjusting assembly (3) comprises an angle adjusting gear (301), a switching gear (312), a lower lock tooth (314) and an upper lock tooth (316), and the pull plate assembly (4) comprises a rotating cylinder (402) and a covering plate (407);

the teaching demonstration device is characterized in that the fixed plate component (1) is a teaching demonstration base body and is fixed on an operation ground through a fixed base (201) in a demonstration direction adjusting assembly (2), an angle adjusting shaft (205) is transversely connected to the back surface of the fixed plate component (1), an angle adjusting support (203) is screwed to the upper end of the fixed base (201), the angle adjusting shaft (205) is screwed to the top end of the angle adjusting support (203), a direction adjusting gear (206) is fixed to the top end of the fixed base (201), a driving gear (207) is meshed with one side of the direction adjusting gear (206), the driving gear (207) is connected with a shaft of a driving motor (208), and the driving motor (208) can automatically move up and down;

an angle adjusting gear (301) in the display angle adjusting assembly (3) is fixedly inserted into an angle adjusting shaft (205), a switching gear (312) is arranged at the lower end of the angle adjusting gear (301), the driving motor (208) can move upwards to enable the driving gear (207) to be meshed with the switching gear (312), a lower locking tooth (314) is connected to the lower end of the driving motor (208), an upper locking tooth (316) is connected to the upper end of the driving motor, when the driving gear (207) is meshed with the direction adjusting gear (206), the upper locking tooth (316) can just lock the switching gear (312), and when the driving gear (207) is meshed with the switching gear (312), the lower locking tooth (314) can just lock the direction adjusting gear (206);

the angle adjusting gear (301) is connected with the switching gear (312) through a transmission mechanism;

the rotary drum (402) in the pulling plate assembly (4) is rotatably arranged at the top end of the plate fixing assembly (1), a plurality of groups of covering plates (407) are wound in the rotary drum (402), and the plurality of groups of covering plates (407) can move up and down at the front end of the plate fixing assembly (1).

2. The interlocking regulating type contrast plate for Chinese and Japanese languages teaching convenient to remember of claim 1, wherein: a fixing frame (101) in the fixing plate assembly (1) is of a square frame structure, and a display plate (102) of a flat plate structure is mounted in the fixing frame (101).

3. The interlocking regulating type contrast plate for Chinese and Japanese languages teaching convenient to remember of claim 1, wherein: the top at fixed baseplate (201) is fixed in roating seat (202) among show direction adjustment assembly (2), the lower extreme swivelling joint of angle modulation support (203) is in roating seat (202), direction adjustment gear (206) are pegged graft and are installed at roating seat (202) outer wall, the left and right sides symmetry of putting up (101) rear end admittedly is fixed with back brace seat (204), angle modulation axle (205) are pegged graft and are fixed in back brace seat (204).

4. The interlocking regulating type contrast plate for Chinese and Japanese languages teaching convenient to remember of claim 3, wherein: the utility model discloses a flexible drive seat, including angle regulation support (203), conversion slide rail (209) are fixed with to the array on the front side terminal surface of angle regulation support (203), sliding connection has conversion slide (210) in conversion slide rail (209), the rear end of driving motor (208) is fixed in conversion slide (210), top one side of angle regulation support (203) is fixed with flexible drive seat (211), fixedly connected with flexible drive (212) in flexible drive seat (211), the bottom of driving motor (208) is connected with ejector pin even board (213), the telescopic link and the ejector pin even board (213) of flexible drive (212) are connected fixedly.

5. The interlocking regulating type contrast plate for Chinese and Japanese languages teaching convenient to remember of claim 1, wherein: the transmission mechanism arranged between the angle adjusting gear (301) and the switching gear (312) comprises a connecting gear (302), a connecting seat (303), a connecting shaft (304), a converting gear (305), a converting shaft (306), a converting shaft seat (307), a connecting bevel gear (308), a converting bevel gear (309), a bevel gear shaft (310) and a bevel gear shaft seat (311), wherein the connecting gear (302) is meshed with one side of the angle adjusting gear (301), the connecting gear (302) is rotatably connected in the connecting shaft (304), the rear end of the connecting shaft (304) is fixed on the side surface of the connecting seat (303), one end of the connecting seat (303) is fixed in the angle adjusting support (203), the converting gear (305) is meshed with one side of the connecting gear (302), the converting gear (305) is fixedly inserted in one end of the converting shaft seat (306), and the converting shaft (306) is rotatably connected in the converting shaft (307), the other end fixed mounting of conversion axle bed (307) is in connecting axle (304), the other end grafting of conversion axle (306) is fixed with connects bevel gear (308), the downside meshing of connecting bevel gear (308) has conversion bevel gear (309), conversion bevel gear (309) are pegged graft and are fixed in the upper end of bevel gear axle (310), bevel gear axle bed (311) has been seted up to the front end of connecting seat (303), bevel gear axle (310) swivelling joint is in bevel gear axle bed (311), switching gear (312) are pegged graft and are fixed in the lower extreme of bevel gear axle (310).

6. The interlocking regulating type contrast plate for Chinese and Japanese languages teaching convenient to remember of claim 1, wherein: the lower connecting plate (313) in the display angle adjusting assembly (3) is fixed at the front end of the driving motor (208), the lower locking teeth (314) are fixed at the lower end of the lower connecting plate (313), the upper end of the lower connecting plate (313) is fixed with the upper connecting plate (315), and the upper locking teeth (316) are fixed at the upper end of the upper connecting plate (315).

7. The interlocking regulating type comparison board for chinese and japanese language teaching for easy memory as claimed in claim 6, wherein: the lower lock tooth (314) is consistent with the tooth profile structure of the direction adjusting gear (206), and the upper lock tooth (316) is consistent with the tooth profile structure of the switching gear (312).

8. The interlocking regulating type contrast plate for Chinese and Japanese languages teaching convenient to remember of claim 1, wherein: two groups of pulling plate rotating bases (401) in the pulling plate assembly (4) are fixed at the top end of a fixed frame (101) in a bilateral symmetry manner, a rotating barrel shaft (403) is connected in the two groups of pulling plate rotating bases (401) in a rotating manner, the rotating barrel (402) is coaxially inserted and fixed in the rotating barrel shaft (403), a rotary pulling gear (404) is inserted and fixed at the outer shaft end of the rotating barrel shaft (403), a rotary pulling driving gear (405) is meshed with the lower side of the rotary pulling gear (404), the rotary pulling driving gear (405) is connected with a rotary pulling driving motor (406) shaft, the rotary pulling driving motor (406) is fixed on the side surface of the fixed frame (101), two ends of each group of covering plates (407) are fixedly connected with a lifting rope seat (409), the left end and the right end of the rotating barrel (402) are connected with lifting ropes (410) in a winding manner, and the tail ends of the two groups of the lifting ropes (410) are fixed on the barrel wall of the rotating barrel (402) through lifting rope latches (411), after a fixed distance is formed between the plurality of groups of the covering plates (407), the covering plates are respectively sleeved in the corresponding lifting ropes (410) through the lifting rope seats (409) connected with the two ends.

9. The interlocking regulating type comparison board for chinese and japanese language teaching for easy memory as claimed in claim 8, wherein: the position, corresponding to the covering plate (407), of the top surface of the fixed frame (101) is provided with a covering plate lower position (408), the positions, corresponding to the sling seats (409) connected to the two ends of the covering plate (407), of the inner sides of the frames at the left end and the right end of the fixed frame (101) are provided with covering plate side positions (412), each group of covering plate side positions (412) are communicated with the covering plate lower position (408) at the top, and therefore the covering plates (407) wound on the rotary drum (402) can enter the frames of the fixed frame (101) through the covering plate lower positions (408).

10. The interlocking regulating type comparison board for chinese and japanese language teaching for easy memory as claimed in claim 8, wherein: the position, corresponding to the two groups of lifting ropes (410), of the top surface of the fixed frame (101) is provided with limiting wheels (413), the two groups of limiting wheels (413) are symmetrically arranged on two sides of the corresponding lifting ropes (410), each group of limiting wheels (413) is rotatably connected into corresponding limiting wheel seats (414), the limiting wheel seats (414) are fixed on the top surface of the fixed frame (101), and the limiting wheels (413) on the two sides of the lifting ropes (410) limit the up-down movement process of the lifting ropes (410), so that the covering plates (407) connected to the two groups of lifting ropes (410) can accurately enter the lower covering plate positions (408).

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