CN210466884U

CN210466884U - Word dictation device for English teaching

Info

Publication number: CN210466884U
Application number: CN201920750238.4U
Authority: CN
Inventors: 孙傲楠; 王鸣爽
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-23
Filing date: 2019-05-23
Publication date: 2020-05-05
Anticipated expiration: 2029-05-23

Abstract

Word dictation device is used in english teaching. The distance left between every two words is not well controlled, the time left for the student to write is fast or slow, and the word listening and writing ability of the student is not easy to practice. The utility model discloses the constitution includes: frame (9), be fixed with two branch (11) of arranging about controlling on the frame, branch and bottom plate (10) sliding connection, be fixed with three dead lever (6) and gear motor (8) of arranging around on the bottom plate, gear motor's output shaft (17) are fixed with three master gear (7) of arranging around, the master gear meshes with pinion (5) of corresponding position mutually, frame upper portion sets up slide bar (1) that the level was arranged, slide bar and slider (2) sliding connection, the slider is connected through the pivot with the one end of connecting rod (4), the other end of connecting rod inserts on pinion's bolt (12), the slider lower part is connected through the pivot with depression bar (16). The utility model is used for dictation of english word.

Description

Word dictation device for English teaching

The technical field is as follows:

the utility model relates to a word dictation device is used in english teaching.

Background art:

at present, words need to be listened to and written during English teaching, the words are all written by Chinese meaning students with words read by a teacher or Chinese meaning students with words read by the teacher, but the space left between every two words is not well controlled, the time of writing for the students is fast or slow, and the words listening and writing ability of the students is not easy to practice.

The utility model has the following contents:

the utility model aims at providing a word dictation device is used in english teaching.

The above purpose is realized by the following technical scheme:

the utility model provides a word dictation device for english teaching, its constitution includes: the gear rack comprises an outer frame, two support rods are fixed on the outer frame, the two support rods are arranged on the left side and the right side, the fixed rods are connected with a bottom plate in a sliding mode, three fixed rods and three speed reducing motors are fixed on the bottom plate in a front-back mode, output shafts of the speed reducing motors are fixed with three main gears arranged in a front-back mode, the main gears are meshed with auxiliary gears in corresponding positions, sliding rods are arranged on the upper portion of the outer frame in a horizontal mode, the sliding rods are connected with sliding blocks in a sliding mode, the sliding blocks are connected with one ends of connecting rods through rotating shafts, the other ends of the connecting rods are inserted into inserting pins of the auxiliary gears, and the lower portions of the sliding.

The word dictation device for English teaching is characterized in that the right side of the outer frame is rotationally connected with a central shaft of a decaprism, and a turntable is fixed at one end of the central shaft.

Has the advantages that:

1. the utility model discloses a master gear drives the pinion and rotates, drives the slider through the connecting rod and slides for the depression bar drives the carousel and rotates, makes to switch over the word or the chinese meaning that show, and the time interval that leaves between per two words is the same, consequently is favorable to practising student's word dictation ability.

2. The utility model discloses a sliding bottom plate for the connecting rod realizes slider sliding speed's change in inserting different pinion, thereby realizes the change of carousel slew velocity, can change three speed, can select different interval speeds according to the word difficulty degree difference of dictation.

Description of the drawings:

FIG. 1 is a front view of the present invention;

FIG. 2 is a layout view of a primary gear and a secondary gear;

in the figure: 1. a slide bar; 2. a slider; 3. a limiting head; 4. a connecting rod; 5. a pinion gear; 6. fixing the rod; 7. a main gear; 8. a reduction motor; 9. an outer frame; 10. a base plate; 11. fixing the rod; 12. a bolt; 13. a vertical plate; 14. a deca-prism; 15. a turntable; 16. a pressure lever; 17. and an output shaft.

The specific implementation mode is as follows:

example 1:

the utility model provides a word dictation device for english teaching, its constitution includes: the gear rack comprises an outer frame 9, two support rods 11 which are arranged on the left and the right are fixed on the outer frame, the support rods are connected with a bottom plate 10 in a sliding manner, the bottom plate can slide relative to the support rods, three fixing rods 6 and a gear motor 8 which are arranged in the front and the back are fixed on the bottom plate, an output shaft 17 of the gear motor is fixed with three main gears 7 which are arranged in the front and the back, the main gears are meshed with auxiliary gears 5 at corresponding positions, the gear ratio of the auxiliary gears from front to back is 1:2:4, a sliding rod 1 which is horizontally arranged is arranged at the upper part of the outer frame and is connected with a sliding block 2 in a sliding manner, the sliding block is connected with one end of a connecting rod 4 through a rotating shaft, the other end of the connecting rod is inserted into a bolt 12 of the auxiliary gear, each auxiliary gear is provided with a bolt, the connecting rod is provided with three round holes, the second round hole matches with the pinion in the middle, the third round hole matches with the pinion at the rearmost, slider lower part and depression bar 16 be connected through the pivot, the slider lower part is fixed with spacing head 3 for the depression bar can anticlockwise rotation, the depression bar stops after rotating vertical position, the carousel outside has ten sawtooth, makes slider slip in-process depression bar promotion sawtooth, the carousel rotates.

Example 2:

according to the English teaching word dictation device of embodiment 1, the right side of the outer frame is rotatably connected with the central shaft of the deca-prism 14, one end of the central shaft is fixed with the turntable 15, and the central shaft is connected with the vertical plate 13 fixed on the outer frame through a bearing.

Claims

1. The utility model provides a word dictation device for english teaching, its constitution includes: the frame, the frame on be fixed with two branches of controlling arranging, characterized by: the rack is characterized in that the supporting rod is connected with the bottom plate in a sliding manner, three fixing rods and a speed reducing motor which are arranged in the front and back are fixed on the bottom plate, an output shaft of the speed reducing motor is fixed with three main gears which are arranged in the front and back, the main gear is meshed with a pinion at a corresponding position, a sliding rod which is horizontally arranged is arranged at the upper part of the outer frame, the sliding rod is connected with a sliding block in a sliding manner, the sliding block is connected with one end of a connecting rod through a rotating shaft, the other end of the connecting rod is inserted into a bolt of the pinion, and the lower part of the sliding block is connected with a.

2. The english teaching word dictation apparatus of claim 1 wherein: the right side of the outer frame is rotationally connected with a central shaft of the decaprism, and one end of the central shaft is fixed with a turntable.