CN219427801U

CN219427801U - Dictation auxiliary teaching device

Info

Publication number: CN219427801U
Application number: CN202222618221.8U
Authority: CN
Inventors: 商庆炳
Original assignee: Shandong Polytechnic College
Current assignee: Shandong Polytechnic College
Priority date: 2022-10-06
Filing date: 2022-10-06
Publication date: 2023-07-28
Anticipated expiration: 2032-10-06

Abstract

The utility model discloses a dictation auxiliary teaching device, which comprises a frame, wherein a motor is arranged on one side of the frame, a double-thread screw rod is arranged on an output shaft of the motor, two sliding blocks are adapted to the double-thread screw rod, a first writing board is rotatably arranged on each sliding block, a same second writing board is rotatably arranged between the two first writing boards, a stand column is arranged in the frame, two symmetrical first connecting rods are rotatably arranged on two sides of the stand column, a second connecting rod is rotatably arranged on each first connecting rod, the aim of multi-person dictation is achieved through the arrangement of the first writing boards and the second writing boards, students are effectively prevented from suffering from each other, and the first writing boards and the second writing boards have folding functions through the arrangement of the motor, the double-thread screw rod and the sliding blocks.

Description

Dictation auxiliary teaching device

Technical Field

The utility model relates to the technical field of Japanese teaching, in particular to a dictation auxiliary teaching device.

Background

In Japanese teaching, a teacher usually adopts a dictation mode to detect the current-stage learning of students, most of the existing dictation modes are written on a blackboard by the students, and as the blackboard is positioned on the same plane, the students can easily glance at writing contents of other students during dictation, and the actual learning level of the students cannot be accurately detected, so that a dictation auxiliary teaching device is needed to meet the demands of people.

Disclosure of Invention

The utility model aims to provide a dictation auxiliary teaching device, which aims to solve the problem that students in the background technology can easily glance at writing contents of other students during dictation and cannot accurately detect the true level of learning of the students.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a dictation auxiliary teaching device, includes the frame, one side of frame is provided with the motor, installs the double-thread lead screw on the output shaft of motor, and the last two sliders that are fit for of double-thread lead screw, all rotate on two sliders and install first writing board, rotate between two first writing boards and install same second writing board, install the stand in the frame, the both sides of stand all rotate and install the first connecting rod of two symmetries, all rotate on every first connecting rod and install the second connecting rod, four second connecting rods all rotate and install on the second writing board.

Preferably, a chute is formed in the upper inner wall in the frame, the double-threaded screw rod is rotatably mounted in the chute, and the two sliding blocks are both adapted in the chute.

Preferably, the two sliders are respectively provided with a positive threaded hole and a reverse threaded hole, the positive threaded hole is matched with the positive threaded section of the double-threaded screw rod, and the reverse threaded hole is matched with the reverse threaded section of the double-threaded screw rod.

Preferably, the bottom ends of the two sliding blocks are provided with first connecting shafts, the top ends of the two first writing boards are provided with shaft holes, and the two first connecting shafts are respectively positioned in the corresponding shaft holes.

Preferably, the back connection parts of the two first writing boards and the same second writing board are provided with a plurality of hinges.

Preferably, the sliding rail is arranged on the inner wall of the lower part in the frame, the bottom ends of the two first writing boards are respectively provided with a second connecting shaft, each second connecting shaft is provided with a pulley, and the two pulleys are respectively and slidably arranged in the sliding rail.

Preferably, the back of second clipboard has seted up and has accomodate the groove, and every second connecting rod is all rotated and is installed on accomodating the inner wall in groove, accomodates the width in groove and is greater than the width of stand.

The beneficial effects of the utility model are as follows:

according to the utility model, through the arrangement of the first writing board and the second writing board, the aim of multi-user dictation is realized, the problem of mutual snoop of students is effectively prevented, and the first writing board and the second writing board have the folding function through the arrangement of the motor, the double-thread screw rod and the sliding block, so that teaching of teachers is facilitated when the first writing board and the second writing board are in a horizontal state, and the students can conveniently write on a desk when the second writing board and the second writing board are folded into a triangular shape.

According to the utility model, through the arrangement of the upright post, the first connecting rod and the second connecting rod, the second writing board always keeps parallel to the frame when extending and retracting in the frame, so that the stability of the triangular frame formed between the first writing board and the second writing board is ensured.

Drawings

Fig. 1 is a schematic diagram of a dictation auxiliary teaching device according to the present utility model;

fig. 2 is a schematic diagram of a front view cross-section structure of a double-threaded screw rod of a dictation auxiliary teaching device provided by the utility model;

fig. 3 is a schematic top view of a slide block of a dictation auxiliary teaching device according to the present utility model;

fig. 4 is a schematic diagram of a connection structure between a stand column and a second writing board of the dictation auxiliary teaching device provided by the utility model;

fig. 5 is a schematic top sectional view of a receiving slot of a dictation teaching aid according to the present utility model.

In the figure: 1. a frame; 2. a motor; 3. a double-thread screw rod; 4. a slide block; 5. a first writing board; 6. a second writing board; 7. a column; 8. a first link; 9. a second link; 10. a chute; 11. a positive threaded hole; 12. a reverse threaded hole; 13. a first connecting shaft; 14. a shaft hole; 15. a hinge; 16. a slide rail; 17. a second connecting shaft; 18. a pulley; 19. and a storage groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-5, a dictation auxiliary teaching device comprises a frame 1, a motor 2 is arranged at one side of the frame 1, a double-thread screw rod 3 is arranged on an output shaft of the motor 2, two sliding blocks 4 are adapted to the double-thread screw rod 3, a first writing board 5 is rotatably arranged on each sliding block 4, a same second writing board 6 is rotatably arranged between the two first writing boards 5, a stand column 7 is arranged in the frame 1, two symmetrical first connecting rods 8 are rotatably arranged at two sides of the stand column 7, a second connecting rod 9 is rotatably arranged on each first connecting rod 8, four second connecting rods 9 are rotatably arranged on the second writing board 6, the frame 1 is arranged on a wall body, at the moment, the two first writing boards 5 and the second writing boards 6 are positioned on the same plane and are all positioned in the frame 1, when dictation is needed, the motor 2 is started, the output shaft of the motor 2 drives the double-thread screw rod 3 to rotate unidirectionally, the two first writing boards 5 are driven to rotate and approach each other, the second writing board 6 is pushed out from the frame 1, a triangle is formed between the two first writing boards 5 and the second writing board 6, the problem that students snoop each other is effectively prevented, the true level of knowledge mastering of the students is accurately detected, when the dictation is finished, the motor 2 is started again, the output shaft of the motor 2 drives the double-threaded screw rod 3 to rotate reversely, the two sliding blocks 4 are far away from each other, the two first writing boards 5 are far away from each other, the second writing board 6 is driven to restore to the state of the existing blackboard, teaching of a teacher is facilitated, when the first writing board 5 and the second writing board 6 are folded into the triangle, the first connecting rod 8 and the second connecting rod 9 rotate and stretch simultaneously, it is ensured that the second writing board 6 is always parallel to the frame 1, thereby ensuring the stability of the tripod formed between the first writing board 5 and the second writing board 6.

Referring to fig. 2-3, in the utility model, a chute 10 is formed on the upper inner wall in the frame 1, the double-thread screw rod 3 is rotatably installed in the chute 10, two sliding blocks 4 are both adapted in the chute 10, the chute 10 provides sliding guide for the sliding blocks 4, and the sliding blocks 4 are effectively prevented from rotating along with the double-thread screw rod 3, so that synchronous displacement between the two sliding blocks 4 is realized.

Referring to fig. 3, in the utility model, a positive threaded hole 11 and a reverse threaded hole 12 are respectively formed on two sliding blocks 4, the positive threaded hole 11 is matched with a positive threaded section of a double-threaded screw rod 3, the reverse threaded hole 12 is matched with a reverse threaded section of the double-threaded screw rod 3, and the positive threaded hole 11 and the reverse threaded hole 12 are simultaneously meshed with the double-threaded screw rod 3, so that the double-threaded screw rod 3 is driven to mutually synchronously move in a unidirectional rotation manner.

Referring to fig. 2, in the present utility model, the bottom ends of two sliders 4 are respectively provided with a first connecting shaft 13, the top ends of two first writing boards 5 are respectively provided with a shaft hole 14, the two first connecting shafts 13 are respectively located in the corresponding shaft holes 14, and the cooperation of the first connecting shafts 13 and the shaft holes 14 connects the sliders 4 and the first writing boards 5 into a whole, and ensures the rotation of the first writing boards 5, thereby realizing the overturning of the first writing boards 5 on one side of the second writing board 6.

Referring to fig. 4-5, in the present utility model, a plurality of hinges 15 are provided at the connection point of the back surfaces of two first writing boards 5 and the same second writing board 6, and the hinges 15 connect the first writing board 5 and the second writing board 6 into a whole, so that the folding function between the first writing board 5 and the second writing board 6 is realized.

Referring to fig. 2 and 5, in the utility model, a sliding rail 16 is provided on the inner wall of the lower part in the frame 1, the bottom ends of the two first writing boards 5 are respectively provided with a second connecting shaft 17, each second connecting shaft 17 is respectively provided with a pulley 18, the two pulleys 18 are respectively and slidably installed in the sliding rail 16, and the sliding rail 16, the second connecting shafts 17 and the pulleys 18 are matched, so that the first writing boards 5 can slide and turn more smoothly, and the sliding stability of the first writing boards 5 is ensured.

Referring to fig. 5, in the utility model, a storage groove 19 is formed in the back of the second writing board 6, each second connecting rod 9 is rotatably mounted on the inner wall of the storage groove 19, the width of the storage groove 19 is larger than that of the upright post 7, and the upright post 7, the first connecting rod 8 and the second connecting rod 9 are conveniently contained in the storage groove 19, so that the second writing board 6 can be attached in the frame 1, the first writing board 5 and the second writing board 6 are placed on the same horizontal plane, and writing teaching of a teacher is facilitated.

The present utility model is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present utility model and the inventive concept thereof, can be replaced or changed within the scope of the present utility model.

Claims

1. The utility model provides a dictation auxiliary teaching device, includes frame (1), its characterized in that: one side of frame (1) is provided with motor (2), installs double-thread screw (3) on the output shaft of motor (2), and two sliders (4) are gone up to the last adaptation of double-thread screw (3), all rotate on two sliders (4) and install first clipboard (5), rotate between two first clipboards (5) and install same second clipboard (6), install stand (7) in frame (1), the both sides of stand (7) all rotate and install two symmetrical first connecting rod (8), all rotate on every first connecting rod (8) and install second connecting rod (9), and four second connecting rods (9) all rotate and install on second clipboard (6).

2. The dictation assistance teaching device according to claim 1, characterized in that: a sliding groove (10) is formed in the inner wall of the upper part in the frame (1), the double-thread screw rod (3) is rotatably arranged in the sliding groove (10), and the two sliding blocks (4) are both adapted in the sliding groove (10).

3. The dictation assistance teaching device according to claim 1, characterized in that: the two sliding blocks (4) are respectively provided with a positive threaded hole (11) and a reverse threaded hole (12), the positive threaded hole (11) is matched with the positive threaded section of the double-threaded screw rod (3), and the reverse threaded hole (12) is matched with the reverse threaded section of the double-threaded screw rod (3).

4. The dictation assistance teaching device according to claim 1, characterized in that: the bottom ends of the two sliding blocks (4) are provided with first connecting shafts (13), the top ends of the two first writing boards (5) are provided with shaft holes (14), and the two first connecting shafts (13) are respectively positioned in the corresponding shaft holes (14).

5. The dictation assistance teaching device according to claim 1, characterized in that: the back connection parts of the two first writing boards (5) and the same second writing board (6) are provided with a plurality of hinges (15).

6. The dictation assistance teaching device according to claim 1, characterized in that: the lower inner wall in the frame (1) is provided with a sliding rail (16), the bottom ends of the two first writing boards (5) are respectively provided with a second connecting shaft (17), each second connecting shaft (17) is respectively provided with a pulley (18), and the two pulleys (18) are respectively and slidably arranged in the sliding rail (16).

7. The dictation assistance teaching device according to claim 1, characterized in that: the back of second clipboard (6) has seted up accomodates groove (19), and every second connecting rod (9) all rotate and install on the inner wall of accomodating groove (19), and the width of accomodating groove (19) is greater than the width of stand (7).