CN210574511U

CN210574511U - Mouth shape contrast device is used in pronunciation of english teaching

Info

Publication number: CN210574511U
Application number: CN201921821218.8U
Authority: CN
Inventors: 许艳婷
Original assignee: Zhangzhou Health Vocational College
Current assignee: Zhangzhou Health Vocational College
Priority date: 2019-10-28
Filing date: 2019-10-28
Publication date: 2020-05-19
Anticipated expiration: 2029-10-28

Abstract

The utility model discloses a mouth shape contrast device for English pronunciation teaching, which comprises a base and a lens frame, wherein the lens frame is positioned above the base, four corners of the bottom end of the base are fixedly provided with universal wheels, the upper end of the base is fixedly provided with an electric telescopic rod near the axle center, the output end of the electric telescopic rod is fixedly provided with a rolling ball sleeve, and one end of the lens frame is fixedly provided with a connecting rod near the axle center; the utility model discloses compact structure, easy operation, it is convenient to remove, can effectively assist the student to carry out the training of english mouth of a mouth type, can audio-visual pronunciation mouth type of english of observing through the lens, do not need the handheld lens of student to train, be convenient for improve learning efficiency, motor through the installation, not only can realize the regulation to the lens height, can also realize the regulation to the lens angle, can satisfy different height students' demand, also enable the more clear pronunciation mouth type of seeing oneself of student, the learning efficiency has further been improved.

Description

Mouth shape contrast device is used in pronunciation of english teaching

Technical Field

The utility model relates to an english teaching technical field specifically is an english pronunciation teaching is with mouth type contrast device.

Background

English teaching refers to the process of teaching english to persons whose english language is or is not the first language. English teaching relates to many professional theoretical knowledge, including linguistics, second language acquisition, glossaries, sentence syntactics, literature, corpus theory, cognitive psychology, etc. English teaching is a progressive process, and English learning is very important today in globalization and rapid development no matter for people who have English in the first language or not, in English teaching, it is always difficult for teaching and learning English listening and speaking, and necessary training needs to be performed in an out-of-class time due to limited classroom time. Listening and spoken language learning require multiple utterances and exercises.

However, the student is when carrying out the oral training, and whether accurate can only rely on the sensation to go to judge pronunciation, especially student oneself can't know more when practising the oral english pronunciation whether correct of oneself, so can consume a large amount of energy and time, be unfavorable for the study of english listening comprehension and oral language, some students can one hold the plane mirror, contrast pronunciation exercise, often can lead to the tired aching pain of student's arm after practising for a long time, reduced learning efficiency.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an english pronunciation teaching is with mouth type contrast device to solve the problem of proposing in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a mouth shape comparison device for English pronunciation teaching comprises a base and a lens frame, wherein the lens frame is positioned above the base, four corners of the bottom end of the base are fixedly provided with universal wheels, the upper end of the base is fixedly provided with an electric telescopic rod near the axle center, the output end of the electric telescopic rod is fixedly provided with a rolling ball sleeve, one end of the lens frame is fixedly provided with a connecting rod near the axle center, one end of the connecting rod is fixedly provided with a rolling ball, and the rolling ball is arranged in the rolling ball sleeve in a rolling way,

the utility model discloses a lens frame, including electric telescopic handle, backup pad, screw thread sliding sleeve, bracing piece one end welding has the carriage release lever, electric telescopic handle output one side fixed mounting has the backup pad, backup pad upper end fixed mounting has quick-witted case, the inside one end of machine case has the motor through bolt fixed mounting, motor power output end fixedly connected with threaded rod, threaded rod one end runs through quick-witted case and outside screw thread and installs the screw thread sliding sleeve, screw thread sliding sleeve both sides fixed mounting has the bracing piece, bracing piece.

Preferably, the back of the lens frame is provided with two grooves along the width direction of the lens frame, the rotating shafts are fixedly mounted inside the grooves, the shaft sleeves are rotatably mounted outside the rotating shafts, and the shaft sleeves are fixedly mounted at one ends of the moving rods.

Preferably, a handle is fixedly installed on one side of the upper end of the base, and a lens is fixedly installed on the front surface of the lens frame along the length direction of the lens frame.

Preferably, the movable rod is rotatably connected with the lens frame through a shaft sleeve and a rotating shaft.

Preferably, a limiting plate is fixedly mounted at one end, far away from the power output end of the motor, of the threaded rod.

Preferably, threaded connection between threaded rod and the screw thread sliding sleeve, and threaded rod and screw thread sliding sleeve are mutually matched.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses compact structure, easy operation, it is convenient to remove, can effectively assist the student to carry out the training of english mouth of a mouth type, can audio-visual pronunciation mouth type of english of observing through the lens, does not need the handheld lens of student to train, is convenient for improve learning efficiency.

2. The utility model can adjust the height of the lens through the electric telescopic rod when in actual use, can adjust according to students with different heights, and can adjust the angle of the lens through the motor, the motor can drive the threaded rod to rotate when working, the threaded rod can drive the threaded sliding sleeve to move left and right when rotating, when the threaded sliding sleeve moves right on the threaded rod, the movable rod can be driven to move right through the support rod, the upper part of the lens frame can be pulled to move right, meanwhile, the rolling ball can also rotate in the rolling ball sleeve, so that the lens can incline upwards, when the threaded sliding sleeve moves left on the threaded rod, the upper part of the lens frame can be pushed to move left through the movable rod, so that the lens can incline downwards, the adjustment of the lens angle can be completed, and the adjustment of the lens height can be realized, the angle of the lens can be adjusted, the requirements of students with different heights can be met, the students can watch the pronunciation mouth shape clearly, and the learning efficiency is further improved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a front view of the present invention;

fig. 3 is a schematic view of the threaded rod structure of the present invention;

fig. 4 is an enlarged structural diagram a of the present invention.

In the figure: 1-a base; 2-universal wheels; 3, an electric telescopic rod; 4-a lens frame; 5-a connecting rod; 6-rolling ball; 7-a threaded rod; 8-a case; 9-a motor; 10-a support plate; 11-rolling ball sleeve; 12-a handle; 13-a lens; 14-a moving bar; 15-support rods; 16-a threaded sliding sleeve; 17-a groove; 18-a rotating shaft; 19-shaft sleeve.

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. 1-4, the present invention provides a technical solution: an oral form contrast device for English pronunciation teaching comprises a base 1 and a lens frame 4, wherein the lens frame 4 is positioned above the base 1, universal wheels 2 are fixedly arranged at four corners of the bottom end of the base 1, an electric telescopic rod 3 is fixedly arranged at the upper end of the base 1 near an axle center, a rolling ball sleeve 11 is fixedly arranged at the output end of the electric telescopic rod 3, a connecting rod 5 is fixedly arranged at one end of the lens frame 4 near the axle center, a rolling ball 6 is fixedly arranged at one end of the connecting rod 5, the rolling ball 6 is arranged in the rolling ball sleeve 11 in a rolling way, when a moving rod 14 drives the upper part of the lens frame 4 to move, the lens frame 4 can also drive the rolling ball 6 to roll in the rolling ball sleeve 11 through the connecting rod 5, the rolling ball 6 can play a fulcrum role for the lens frame 4, a support plate 10 is fixedly arranged at one side of the output end of the, a motor 9 is fixedly arranged at one end inside the case 8 through a bolt, a threaded rod 7 is fixedly connected with a power output end of the motor 9, one end of the threaded rod 7 penetrates through the case 8, a threaded sliding sleeve 16 is arranged on the outer portion of the threaded sliding sleeve 16 in a threaded manner, supporting rods 15 are fixedly arranged on two sides of the threaded sliding sleeve 16, a moving rod 14 is welded at one end of each supporting rod 15, one end of each moving rod 14 is rotatably arranged at one end of the lens frame 4, when the glasses are used, the height of the lens 13 can be adjusted through the electric telescopic rod 3, the glasses can be adjusted according to students with different heights, the angle of the lens 13 can be adjusted through the motor 9, the motor 9 can drive the threaded rod 7 to rotate when working, the threaded rod 7 can drive the threaded sliding sleeve 16 to move left and right, and when the, then can stimulate lens frame 4's top and remove right, spin 6 also can rotate in spin cover 11 simultaneously, make this lens 13 can the tilt up, when threaded sliding sleeve 16 moves left on threaded rod 7, then can promote lens frame 4's top through carriage release lever 14 and move left, make this lens 13 can the downward sloping, then can accomplish the regulation to lens 13 angle, not only can realize the regulation to lens 13 height, can also realize the regulation to lens 13 angle, can satisfy different height students ' demand, also can make the more clear pronunciation mouth type of seeing oneself of student, the learning efficiency has further been improved.

Wherein, the recess 17 has been seted up at the lens frame 4 back and along its width direction, and recess 17 is equipped with two, the inside fixed mounting of recess 17 has

pivot

18, 18 outside rotations in pivot are installed axle sleeve 19, axle sleeve 19 fixed mounting is in carriage release lever 14 one end, and when carriage release lever 14 drove lens frame 4 and moves, the angle that can make between lens frame 4 and the carriage release lever 14 changed, then enables axle sleeve 19 and rotates on pivot 18, can not influence the angle modulation of lens frame 4.

Wherein, base 1 upper end one side fixed mounting has handle 12, is convenient for to the device's removal, lens frame 4 openly and along its length direction fixed mounting have lens 13, can audio-visual pronunciation of english mouth of a mouth type through lens 13, do not need the handheld lens of student to train, are convenient for improve learning efficiency.

Wherein, threaded rod 7 is kept away from motor 9 power take off end's one end fixed mounting has the limiting plate, avoids 16 roll-off threaded rods of screw sliding sleeve 7 outsidely, can not influence the device's normal work.

The working principle is as follows: when the glasses are used, the height of the lens 13 can be adjusted through the electric telescopic rod 3, the glasses can be adjusted according to students with different heights, the angle of the lens 13 can also be adjusted through the motor 9, the motor 9 can drive the threaded rod 7 to rotate when working, the threaded rod 7 can drive the threaded sliding sleeve 16 to move left and right, when the threaded sliding sleeve 16 moves right on the threaded rod 7, the supporting rod 15 can drive the moving rod 14 to move right, the upper part of the lens frame 4 can be pulled to move right, meanwhile, the ball 6 can also rotate in the ball sleeve 11, so that the lens 13 can be inclined upwards, when the threaded sliding sleeve 16 moves left on the threaded rod 7, the upper part of the lens frame 4 can be pushed to move left through the moving rod 14, so that the lens 13 can incline downwards, the adjustment of the angle of the lens 13 can be completed, and the adjustment of the height of the lens 13 can be realized, can also realize the regulation to 13 angles of lens, can satisfy different height students' demand, adjust the completion back, the student can audio-visual pronunciation mouth shape of english of observing through lens 13, does not need the handheld lens of student to train.

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 an english pronunciation teaching is with mouth type contrast device, includes base (1) and lens frame (4), lens frame (4) are located base (1) top, base (1) bottom four corners fixed mounting has universal wheel (2), its characterized in that: an electric telescopic rod (3) is fixedly arranged at the upper end of the base (1) close to the axle center, a rolling ball sleeve (11) is fixedly arranged at the output end of the electric telescopic rod (3), a connecting rod (5) is fixedly arranged at the position of one end of the lens frame (4) close to the axle center, a rolling ball (6) is fixedly arranged at one end of the connecting rod (5), the rolling ball (6) is arranged inside the rolling ball sleeve (11) in a rolling way,

electric telescopic handle (3) output one side fixed mounting has backup pad (10), backup pad (10) upper end fixed mounting has quick-witted case (8), the inside one end of quick-witted case (8) has motor (9) through bolt fixed mounting, motor (9) power take off end fixedly connected with threaded rod (7), threaded rod (7) one end is run through quick-witted case (8) and outside screw thread and is installed screw thread sliding sleeve (16), screw thread sliding sleeve (16) both sides fixed mounting has bracing piece (15), bracing piece (15) one end welding has carriage release lever (14), and carriage release lever (14) one end rotates and installs in lens frame (4) one end.

2. The mouth shape comparison device for english pronunciation teaching according to claim 1, wherein: the lens frame (4) back has seted up recess (17) along its width direction, and recess (17) are equipped with two, the inside fixed mounting of recess (17) has pivot (18), pivot (18) outside rotation installs axle sleeve (19), axle sleeve (19) fixed mounting is in carriage release lever (14) one end.

3. The mouth shape comparison device for english pronunciation teaching according to claim 1, wherein: the glasses are characterized in that a handle (12) is fixedly mounted on one side of the upper end of the base (1), and a lens (13) is fixedly mounted on the front surface of the lens frame (4) along the length direction of the lens frame.

4. The mouth shape comparison device for english pronunciation teaching according to claim 1, wherein: the moving rod (14) is rotatably connected with the lens frame (4) through a shaft sleeve (19) and a rotating shaft (18).

5. The mouth shape comparison device for english pronunciation teaching according to claim 1, wherein: and a limiting plate is fixedly arranged at one end, far away from the power output end of the motor (9), of the threaded rod (7).

6. The mouth shape comparison device for english pronunciation teaching according to claim 1, wherein: threaded connection between threaded rod (7) and screw sliding sleeve (16), and mutually match between threaded rod (7) and screw sliding sleeve (16).