CN216211595U

CN216211595U - English listening comprehension trainer is used in college english teaching

Info

Publication number: CN216211595U
Application number: CN202122490572.0U
Authority: CN
Inventors: 张子丽
Original assignee: Yancheng Kindergarten Teachers College
Current assignee: Yancheng Kindergarten Teachers College
Priority date: 2021-10-16
Filing date: 2021-10-16
Publication date: 2022-04-05
Anticipated expiration: 2031-10-16

Abstract

The utility model belongs to the technical field of English teaching, and particularly relates to an English listening training device for college English teaching. The use angle of guard plate can be adjusted through the cooperation use of telescopic cylinder, connecting block and fixed block, through using the guard plate, can protect the public address region of megaphone body, avoids external impurity to enter into the megaphone body inside, is favorable to guaranteeing the stability in use of megaphone body.

Description

English listening comprehension trainer is used in college english teaching

Technical Field

The utility model belongs to the technical field of English teaching, and particularly relates to an English listening comprehension training device for college English teaching.

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 a plurality of professional theoretical knowledge, including linguistics, second language acquisition, glossaries, sentence syntactics, literature, corpus theory, cognitive psychology and the like;

at the in-process of college english teaching, need carry out the hearing training, the operation mode generally does, through the inside megaphone operation in the inside microcomputer control classroom in classroom of classroom, carry out the hearing and report, current megaphone when using, inside the dust enters into the megaphone through the filter screen easily, can influence the tone quality of megaphone, be unfavorable for the stable use of megaphone, and the megaphone is comparatively loaded down with trivial details when the installation, be unfavorable for the staff to the installation use of megaphone.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the prior art, the utility model provides an English listening training device for college English teaching, which has the characteristics of easiness in installation and high use stability.

In order to achieve the purpose, the utility model provides the following technical scheme: an English listening training device for college English teaching comprises a loudspeaker body, wherein a protection groove is formed in the middle of one end of the loudspeaker body, a protection plate is hinged inside the protection groove, fixed blocks are symmetrically arranged at the bottom of one end of the protection plate, accommodating grooves are symmetrically formed in the edge portion of one end of the inner wall of the protection groove, an installation groove is formed in the middle of one end of the inner wall of the accommodating groove, a telescopic cylinder is installed inside the installation groove, and a connecting block is installed at the push rod end of the telescopic cylinder;

first draw-in groove has been seted up at megaphone body other end middle part, a second draw-in groove has been seted up to first draw-in groove inner wall one side limit portion, the fixed plate is installed near first draw-in groove department to the megaphone body other end, fixed plate one end middle part is provided with L type cardboard.

According to the preferred technical scheme, the middle of one end of the fixing block is provided with the connecting clamping groove, the two sides of the inner wall of the connecting clamping groove are provided with the rotating shaft holes, the two sides of the connecting block are provided with the rotating shaft columns, the connecting block is located inside the connecting clamping groove, the diameters of the rotating shaft columns are the same as the inner diameters of the rotating shaft holes, and the rotating shaft columns are located inside the rotating shaft holes.

According to the English listening training device for college English teaching, the longitudinal section size of the protective groove is the same as that of the protective plate, and the depth of the protective groove is the same as that of the protective plate.

According to the preferable technical scheme, the height of the L-shaped clamping plate is the same as the depth of the first clamping groove, the thickness of the L-shaped clamping plate is the same as the width of the second clamping groove, and one end of the L-shaped clamping plate is located inside the second clamping groove.

According to the preferred technical scheme, the fixing hole is formed in the edge of one end of the fixing plate, the extrusion push plate is hinged and mounted in the fixing hole, the extrusion spring is mounted on the edge of one end of the extrusion push plate, and one end of the extrusion spring is connected with the fixing plate.

According to the preferable technical scheme, the four corners of one end of the fixing plate are provided with the mounting holes.

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

1. when the loudspeaker protection plate is used, the protection groove, the accommodating groove and the mounting groove are matched for use, the telescopic cylinder, the connecting block, the protection plate and the fixing block can be limited for accommodating, the using angle of the protection plate can be adjusted through the matching use of the telescopic cylinder, the connecting block and the fixing block, the sound amplifying area of the loudspeaker body can be protected through the protection plate, external impurities are prevented from entering the loudspeaker body, and the use stability of the loudspeaker body is guaranteed.

2. When the loudspeaker fixing plate is used, the mounting difficulty of the fixing plate can be reduced through the mounting hole, the loudspeaker body can be limited and fixed through the matching use of the first clamping groove, the second clamping groove and the L-shaped clamping plate, the mounting of the loudspeaker body can be limited again through the matching use of the fixing hole, the extrusion push plate and the extrusion spring, the mounting stability of the loudspeaker body is further enhanced, and the loudspeaker body is convenient to mount and use.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

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

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

FIG. 3 is a partial cross-sectional view of the present invention;

FIG. 4 is a schematic view of an installation structure of the L-shaped clamp of the present invention;

fig. 5 is a cross-sectional view of a fixation plate of the present invention.

In the figure: 1. a loudspeaker body; 2. a protective bath; 3. a receiving groove; 4. mounting grooves; 5. a telescopic cylinder; 6. connecting blocks; 7. a protection plate; 8. a fixed block; 9. a first card slot; 10. a second card slot; 11. a fixing plate; 12. mounting holes; 13. an L-shaped clamping plate; 14. a fixing hole; 15. extruding the push plate; 16. compressing the spring.

Detailed Description

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 only a part of the embodiments of the present invention, and not all of the embodiments. 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.

Examples

Referring to fig. 1-5, the present invention provides the following technical solutions: an English listening training device for college English teaching comprises a loudspeaker body 1, wherein a protective groove 2 is formed in the middle of one end of the loudspeaker body 1, a protective plate 7 is hinged inside the protective groove 2, the longitudinal section size of the protective groove 2 is the same as that of the protective plate 7, the depth of the protective groove 2 is the same as that of the protective plate 7, the protective plate 7 can be stored in a limiting manner, workers can conveniently store the protective plate 7, fixing blocks 8 are symmetrically arranged at the bottom of one end of the protective plate 7, accommodating grooves 3 are symmetrically formed in the edge of one end of the inner wall of the protective groove 2, a mounting groove 4 is formed in the middle of one end of the inner wall of the accommodating groove 3, a telescopic cylinder 5 is mounted inside the mounting groove 4, a connecting block 6 is mounted at the push rod end of the telescopic cylinder 5, a connecting groove is formed in the middle of one end of the fixing block 8, rotating shaft holes are formed in two sides of the inner wall of the connecting groove, rotating shaft columns are arranged on two sides of the connecting block 6, the connecting block 6 is positioned in the connecting clamping groove, the diameter of the rotating shaft column is the same as the inner diameter of the rotating shaft hole, and the rotating shaft column is positioned in the rotating shaft hole, so that the connecting difficulty between the connecting block 6 and the fixing block 8 can be reduced, and the protection plate 7 can be conveniently adjusted and used by workers;

the middle part of the other end of the loudspeaker body 1 is provided with a first clamping groove 9, one side edge part of the inner wall of the first clamping groove 9 is provided with a second clamping groove 10, the other end of the loudspeaker body 1 is provided with a fixed plate 11 near the first clamping groove 9, the middle part of one end of the fixed plate 11 is provided with an L-shaped clamping plate 13, the height of the L-shaped clamping plate 13 is the same as the depth of the first clamping groove 9, the thickness of the L-shaped clamping plate 13 is the same as the width of the second clamping groove 10, one end of the L-shaped clamping plate 13 is positioned in the second clamping groove 10, the connection difficulty between the loudspeaker body 1 and the fixed plate 11 is reduced, the installation and the use of the loudspeaker body 1 by a worker are facilitated, the edge part of one end of the fixed plate 11 is provided with a fixed hole 14, an extrusion push plate 15 is hinged in the fixed hole 14, the edge part of one end of the extrusion push plate 15 is provided with an extrusion spring 16, one end of the fixed plate 11 is connected with the fixed plate 11 and can extrude and limit the loudspeaker body 1, can make the more stable of 1 installations of megaphone body, mounting hole 12 has all been seted up at 11 one end four corners departments of fixed plate, can reduce the installation degree of difficulty of fixed plate 11, the use of the fixed plate 11 of being convenient for.

The working principle and the using process of the utility model are as follows: the fixing plate 11 is moved to a preset mounting position on a wall body by a worker, after the position of the fixing plate 11 is adjusted, the worker installs a fixing screw in the mounting hole 12 to fix the fixing plate 11, then the worker moves the loudspeaker body 1 to enable the L-shaped clamping plate 13 to enter the first clamping groove 9, then the worker continues to move the loudspeaker body 1 downwards to enable one end of the L-shaped clamping plate 13 to enter the second clamping groove 10, the extrusion push plate 15 is extruded in the downward moving process of the loudspeaker body 1 to enable the extrusion spring 16 to be compressed, and the extrusion push plate 15 is enabled to extrude the loudspeaker body 1 under the action of elastic potential energy of the extrusion spring 16, so that the mounting stability of the loudspeaker body 1 can be further enhanced, and the loudspeaker body 1 is convenient to mount and use;

when loudspeaker body 1 uses, 5 work promotion connecting blocks of telescopic cylinder 6 remove, connecting blocks 6 remove and promote fixed block 8 and remove, the guard plate 7 of messenger rotates in guard groove 2 is inside, open the back completely when guard plate 7, loudspeaker body 1 formally is used, through using guard plate 7, can protect loudspeaker body 1's public address area, avoid external impurity to enter into loudspeaker body 1 inside, be favorable to guaranteeing loudspeaker body 1's stability in use.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an english listening comprehension trainer is used in college english teaching, includes megaphone body (1), its characterized in that: the loudspeaker is characterized in that a protection groove (2) is formed in the middle of one end of the loudspeaker body (1), a protection plate (7) is hinged and installed in the protection groove (2), fixed blocks (8) are symmetrically arranged at the bottom of one end of the protection plate (7), an accommodating groove (3) is symmetrically formed in the edge of one end of the inner wall of the protection groove (2), an installation groove (4) is formed in the middle of one end of the inner wall of the accommodating groove (3), a telescopic cylinder (5) is installed in the installation groove (4), and a connecting block (6) is installed at the push rod end of the telescopic cylinder (5);

first draw-in groove (9) have been seted up at megaphone body (1) other end middle part, second draw-in groove (10) have been seted up to first draw-in groove (9) inner wall one side limit portion, the megaphone body (1) other end is close to first draw-in groove (9) department and installs fixed plate (11), fixed plate (11) one end middle part is provided with L type cardboard (13).

2. The English listening training device for college English teaching of claim 1, wherein: connecting groove has been seted up at fixed block (8) one end middle part, the pivot hole has all been seted up to connecting groove inner wall both sides, connecting block (6) both sides all are provided with the pivot post, connecting block (6) are located inside connecting groove, the diameter of pivot post is the same with the internal diameter in pivot hole, the pivot post is located the downthehole portion of pivot.

3. The English listening training device for college English teaching of claim 1, wherein: the longitudinal section size of guard shield groove (2) is the same with the longitudinal section size of guard plate (7), the degree of depth of guard shield groove (2) is the same with the thickness of guard plate (7).

4. The English listening training device for college English teaching of claim 1, wherein: the height of the L-shaped clamping plate (13) is the same as the depth of the first clamping groove (9), the thickness of the L-shaped clamping plate (13) is the same as the width of the second clamping groove (10), and one end of the L-shaped clamping plate (13) is located inside the second clamping groove (10).

5. The English listening training device for college English teaching of claim 1, wherein: fixed orifices (14) have been seted up to fixed plate (11) one end limit portion, fixed orifices (14) inside articulated install extrusion push pedal (15), extrusion spring (16) are installed to extrusion push pedal (15) one end limit portion, extrusion spring (16) one end is connected with fixed plate (11).

6. The English listening training device for college English teaching of claim 1, wherein: mounting holes (12) are formed in four corners of one end of the fixing plate (11).