CN211240022U

CN211240022U - Listening comprehension playback devices for english listening comprehension

Info

Publication number: CN211240022U
Application number: CN201921809940.XU
Authority: CN
Inventors: 韩薇
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-25
Filing date: 2019-10-25
Publication date: 2020-08-11
Anticipated expiration: 2029-10-25

Abstract

The utility model discloses a listening playing device for English listening, which comprises an upper base, wherein a rotary structure and an angle adjusting structure are arranged on the lower wall surface of the upper base; wherein, the revolution mechanic, it includes: rotatory box, first servo motor, first driving gear, first driven gear, connecting axle and first antifriction bearing, rotatory box go up the wall with go up the base under the wall connection, first servo motor install in go up wall department in the rotatory box, first driving gear with first servo motor drive end is connected, the utility model relates to a sound playback devices technical field through adjusting the player of installing on adjusting the box, has solved the big classroom that the environment is noisy when carrying out the hearing test, the beneficial effect of the problem that the classmate of back row can not hear.

Description

Listening comprehension playback devices for english listening comprehension

Technical Field

The utility model relates to a sound playback devices technical field specifically is an english listening comprehension is with listening comprehension playback devices.

Background

English is an international general language and is also the second language in China, so that English learning is very important, English learning is difficult for most people who are not English mother languages due to the influence of living environment, many people can understand English and read English newspaper, but English learning is very arduous in the aspect of English listening and writing, people can only practice through some broadcasting equipment when learning English listening and writing, namely people use special hearing equipment to receive English broadcasting of official radio stations, the existing English hearing equipment is high in environment, and students in a back row are difficult to hear sound in a large classroom with noisy environment.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a hearing playback devices for english listening comprehension has solved current english listening comprehension equipment, will be just higher to the environment, in the noisy big classroom of environment, is located the technical problem that the classmate of back row hardly hears sound.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a hearing playing device for English listening comprises an upper base, wherein a rotating structure and an angle adjusting structure are arranged on the lower wall surface of the upper base;

wherein, the revolution mechanic, it includes: the device comprises a rotary box body, a first servo motor, a first driving gear, a first driven gear, a connecting shaft and a first rolling bearing;

the upper wall surface of the rotating box body is connected with the lower wall surface of the upper base, the first servo motor is installed at the upper wall surface in the rotating box body, the first driving gear is connected with the driving end of the first servo motor, the first rolling bearing is embedded in the lower wall surface of the rotating box body, the connecting shaft is embedded in the first rolling bearing, and the first driven gear is sleeved on the connecting shaft and meshed with the first driving gear.

Preferably, the angle adjusting structure mainly includes: the device comprises an adjusting box body, an arc-shaped rack, a movable box body, a second servo motor, a second driving gear, a second driven gear, a pair of second rolling bearings with the same structure, a pair of fixing frames with the same structure, a gear shaft and a player;

the upper wall surface of the adjusting box body is connected with the connecting shaft, the arc-shaped rack is installed on one side in the adjusting box body, the moving box body is movably sleeved on the arc-shaped rack, the second servo motor is installed on one side wall surface in the moving box body, the second driving gear is connected with the driving end of the second servo motor, the pair of fixing frames are installed on one side wall surface of the moving box body, the pair of second rolling bearings are embedded at one end of the fixing frame, two ends of the gear shaft are embedded in the second rolling bearings, the second driven gear is sleeved on the gear shaft, the second driving gear and the second driven gear are meshed with the arc-shaped rack, and the player is installed on the outer wall surface of one side of the moving box body.

Preferably, a first motor frame for fixing the first servo motor is arranged at the joint of the first servo motor and the rotating box body.

Preferably, a second motor frame for fixing the second servo motor is arranged at the joint of the second servo motor and the movable box body.

Preferably, the four corners of the upper base are all provided with threaded holes convenient for fixed installation.

Preferably, the inner wall surface of the adjusting box body is provided with an anti-collision pad for preventing the moving box body from colliding with the adjusting box body.

Advantageous effects

The utility model provides a listening comprehension playback devices is used to english listening comprehension possesses following beneficial effect: the present case adopts the player of rotatable regulation formula, through adjusting the player of installing on adjusting the box, has solved when carrying out the hearing test to the noisy big classroom of environment, the beneficial effect of the problem that the classmate of back row can not hear.

Drawings

Fig. 1 is the utility model relates to a listening comprehension playback devices's for english listening comprehension owner looks structure schematic.

Fig. 2 is the utility model relates to a listening comprehension playback devices for english listening comprehension looks sideways at schematic structure.

Fig. 3 is the utility model relates to an angle modulation structure of listening comprehension playback devices for english listening comprehension overlooks the structure sketch map.

In the figure: 1-upper base; 2-rotating the box body; 3-a first servo motor; 4-a first drive gear; 5-a first driven gear; 6-connecting shaft; 7-a first rolling bearing; 8-adjusting the box body; 9-arc rack; 10-moving the box body; 11-a second servo motor; 12-a second drive gear; 13-a second driven gear; 14-a second rolling bearing; 15-a fixed frame; 16-gear shaft; 17-a player; 18-a first motor mount; 19-a second motor mount; 20-crash cushion.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a listening comprehension playback devices is used to english listening comprehension, the main part of present case is: the lower wall surface of the upper base 1 is provided with a rotating structure and an angle adjusting structure;

it should be noted that: when the hearing device needs to be adjusted, the rotating structure arranged on the lower wall surface of the upper base 1 rotates the device, and the angle adjusting structure adjusts the angle of the hearing device.

In a specific implementation, a rotating structure, comprising: the device comprises a rotating box body 2, a first servo motor 3, a first driving gear 4, a first driven gear 5, a connecting shaft 6 and a first rolling bearing 7;

the upper wall surface of the rotating box body 2 is connected with the lower wall surface of the upper base 1, the first servo motor 3 is arranged on the upper wall surface in the rotating box body 2, the first driving gear 4 is connected with the driving end of the first servo motor 3, the first rolling bearing 7 is embedded in the lower wall surface of the rotating box body 2, the connecting shaft 6 is embedded in the first rolling bearing 7, and the first driven gear 5 is sleeved on the connecting shaft 6 and is meshed with the first driving gear 4;

it should be noted that: when the hearing device needs to be rotationally adjusted, the first servo motor 3 installed in the rotary box body 2 is electrified to operate, the first driving gear 4 installed at the driving end of the first servo motor 3 is driven to rotate, the first driven gear 5 meshed with the first driving gear 4 is driven to rotate, so that the connecting shaft 6 embedded in the first driven gear 5 rotates, the adjusting box body 8 rotates, and when the rotation adjustment is completed, the first servo motor 3 stops operating.

In the specific implementation process, the angle adjusting structure mainly comprises: the device comprises an adjusting box body 8, an arc-shaped rack 9, a moving box body 10, a second servo motor 11, a second driving gear 12, a second driven gear 13, a pair of second rolling bearings 14 with the same structure, a pair of fixing frames 15 with the same structure, a gear shaft 16 and a player 17;

the upper wall surface of the adjusting box body 8 is connected with the connecting shaft 6, the arc-shaped rack 9 is installed on one side in the adjusting box body 8, the moving box body 10 is movably sleeved on the arc-shaped rack 9, the second servo motor 11 is installed on one side wall surface in the moving box body 10, the second driving gear 12 is connected with the driving end of the second servo motor 11, the pair of fixing frames 15 are installed on one side wall surface of the moving box body 10, the pair of second rolling bearings 14 are embedded at one ends of the fixing frames 15, two ends of the gear shaft 16 are embedded in the second rolling bearings 14, the second driven gear 13 is sleeved on the gear shaft 16, the second driving gear 12 and the second driven gear 13 are meshed with the arc-shaped rack 9, and the player 17 is installed on the;

it should be noted that: when the hearing device needs to be angularly adjusted, the second servo motor 11 is electrified to operate, the second driving gear 12 installed at the driving end of the second servo motor 11 is driven to rotate, the movable box body 10 is driven to move on the arc-shaped rack 9, so that the second driven gear 13 rotates on the gear shaft 16, and when the hearing device moves to a specified position, a worker stops operating the second servo motor 11.

In the specific implementation process, a first motor frame 18 for fixing the first servo motor 3 is further arranged at the joint of the first servo motor 3 and the rotating box body 2.

In the specific implementation process, a second motor frame 19 for fixing the second servo motor 11 is further disposed at a connection position of the second servo motor 11 and the movable box 10.

In the specific implementation process, furthermore, threaded holes convenient to fix and install are machined in four corners of the upper base 1.

In the implementation process, furthermore, a crash pad 20 for preventing the movable box 10 from impacting the adjusting box 8 is mounted on the inner wall surface of the adjusting box 8.

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. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

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. A hearing playing device for English listening comprises an upper base (1), and is characterized in that a rotating structure and an angle adjusting structure are arranged on the lower wall surface of the upper base (1);

wherein, the revolution mechanic, it includes: the device comprises a rotary box body (2), a first servo motor (3), a first driving gear (4), a first driven gear (5), a connecting shaft (6) and a first rolling bearing (7);

the upper wall surface of the rotating box body (2) is connected with the lower wall surface of the upper base (1), the first servo motor (3) is installed at the position of the upper wall surface in the rotating box body (2), the first driving gear (4) is connected with the driving end of the first servo motor (3), the first rolling bearing (7) is embedded in the lower wall surface of the rotating box body (2), the connecting shaft (6) is embedded in the first rolling bearing (7), and the first driven gear (5) is sleeved on the connecting shaft (6) and meshed with the first driving gear (4).

2. A hearing playing device for english listening according to claim 1, wherein said angle adjusting structure mainly comprises: the device comprises an adjusting box body (8), an arc-shaped rack (9), a moving box body (10), a second servo motor (11), a second driving gear (12), a second driven gear (13), a pair of second rolling bearings (14) with the same structure, a pair of fixing frames (15) with the same structure, a gear shaft (16) and a player (17);

the upper wall surface of the adjusting box body (8) is connected with the connecting shaft (6), the arc-shaped rack (9) is installed on one side in the adjusting box body (8), the moving box body (10) is movably sleeved on the arc-shaped rack (9), the second servo motor (11) is installed on one side wall surface in the moving box body (10), the second driving gear (12) is connected with the driving end of the second servo motor (11), a pair of fixing frames (15) are installed on one side wall surface of the moving box body (10), a pair of second rolling bearings (14) are embedded at one ends of the fixing frames (15), two ends of the gear shaft (16) are embedded in the second rolling bearings (14), the second driven gear (13) is sleeved on the gear shaft (16), and the second driving gear (12) and the second driven gear (13) are both meshed with the arc-shaped rack (9), the player (17) is arranged on the outer wall surface of one side of the movable box body (10).

3. Listening device for english hearing according to claim 1, characterized in that the first servomotor (3) is connected to the rotating box (2) by a first motor mount (18) for fixing the first servomotor (3).

4. The hearing playing device for english listening according to claim 2, characterized in that the second motor rack (19) for fixing the second servo motor (11) is arranged at the connection of the second servo motor (11) and the movable box (10).

5. The hearing playing device for English listening of claim 1, wherein four corners of the upper base (1) are provided with threaded holes for convenient fixing and installation.

6. The hearing playing device for english listening according to claim 2, wherein the inner wall of the adjusting box (8) is provided with a crash pad (20) for preventing the moving box (10) from colliding with the adjusting box (8).