CN214281601U - A training device for college English online listening teaching - Google Patents
A training device for college English online listening teaching Download PDFInfo
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- CN214281601U CN214281601U CN202120580204.2U CN202120580204U CN214281601U CN 214281601 U CN214281601 U CN 214281601U CN 202120580204 U CN202120580204 U CN 202120580204U CN 214281601 U CN214281601 U CN 214281601U
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- 230000000694 effects Effects 0.000 abstract description 10
- 239000012141 concentrate Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
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- 238000009792 diffusion process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
本实用新型公开了一种大学英语线上听力教学用训练装置，包括机壳、伸缩杆和底盘，所述机壳的内侧中部固定连接有控制主板，所述控制主板的前端中部一侧设置有无线信号接收器，所述机壳的内侧前端整部固定连接有扬声器，所述机壳的前端中部固定连接在第一扬声套筒的后端。本实用新型中，让第三扬声套筒和第二扬声套筒在第一扬声套筒外侧依次向前展开，声音从扬声器传出经过第一扬声套筒、第二扬声套筒以及第三扬声套筒让声音更集中扬声效果更好，外出使用设备时将伸缩杆的底端螺纹连接在底盘的螺纹销上，然后将机壳底端的卡条插入卡槽内即可，拆装方便快捷，并且将设备架设起来使用不会影响扬声效果，值得大力推广。
The utility model discloses a training device for college English online listening teaching, which comprises a casing, a telescopic rod and a chassis. A control main board is fixedly connected to the inner middle of the casing, and a front-end central part of the control main board is provided with a side. In the wireless signal receiver, a speaker is fixedly connected to the entire inner front end of the casing, and the middle part of the front end of the casing is fixedly connected to the rear end of the first speaker sleeve. In the utility model, the third speaker sleeve and the second speaker sleeve are expanded forward in turn on the outside of the first speaker sleeve, and the sound is transmitted from the speaker through the first speaker sleeve and the second speaker sleeve. The barrel and the third speaker sleeve make the sound more concentrated and the speaker effect is better. When going out to use the device, connect the bottom end of the telescopic rod to the threaded pin of the chassis, and then insert the clip at the bottom of the casing into the slot. Yes, it is convenient and quick to disassemble and assemble, and erecting the device will not affect the speaker effect, which is worthy of vigorous promotion.
Description
Technical Field
The utility model relates to a teaching equipment technical field especially relates to a trainer is used in hearing teaching on college english line.
Background
English listening is often used as an examination question type, and aims to examine the holding of an examinee on English language and the comprehension of examinees on English daily communication, and usually, several forms of listening to dialogue to select answers and listening to sentences to write key words silently are available.
The sound diffusion of present most of english on-line listening comprehension teaching with trainer speaker is general in concentrating the effect of raising one's voice inadequately when outdoor use to the fixed bolster of the dismouting of not being convenient for when using is used outward to the current english on-line listening comprehension teaching with trainer, places the effect of raising one's voice in ground influence with equipment.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcoming that exists among the prior art, and the on-line hearing teaching of college english that provides uses trainer.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a training device for listening teaching on college English line comprises a casing, a telescopic rod and a chassis, wherein a control mainboard is fixedly connected to the middle part of the inner side of the casing, a wireless signal receiver is arranged on one side of the middle part of the front end of the control mainboard, a loudspeaker is fixedly connected to the whole front end of the inner side of the casing, the middle part of the front end of the casing is fixedly connected to the rear end of a first loudspeaking sleeve, four first sliding groove blocks are fixedly connected to the periphery of the outer side of the first loudspeaking sleeve at equal intervals, a second loudspeaking sleeve is arranged outside the first loudspeaking sleeve, four second sliding groove blocks are fixedly connected to the periphery of the outer side of the second loudspeaking sleeve at equal intervals, a first sliding block is fixedly connected to the periphery of the rear end of the inner wall of the second loudspeaking sleeve at equal intervals, a third loudspeaking sleeve is arranged outside the second loudspeaking sleeve, the telescopic inner wall rear end of third speaker equidistance fixedly connected with second slider and second slider all around respectively with second spout piece sliding connection, the equal fixedly connected with card strip in the left and right sides in the bottom middle part of casing, the interior pole top fixed connection of telescopic link is at the bottom middle part of mounting panel, the left and right sides in the top middle part of mounting panel all is provided with the draw-in groove, the top middle part fixedly connected with threaded pin on chassis.
As a further description of the above technical solution:
the middle part equidistance of casing is provided with a plurality of sound-emitting hole and all is located the telescopic inside of first raising one's voice.
As a further description of the above technical solution:
the rear end of the inner side of the clamping groove is fixedly connected with a stop block.
As a further description of the above technical solution:
and a fixing bolt is arranged at the top of the outer rod of the telescopic rod.
As a further description of the above technical solution:
the bottom end of the chassis is fixedly connected with a rubber pad.
As a further description of the above technical solution:
the clamping strip is clamped with the clamping groove.
As a further description of the above technical solution:
and the rear end of the inner side of the shell is fixedly connected with a storage battery.
As a further description of the above technical solution:
the threaded pin is in threaded connection with the bottom end of the telescopic rod.
The utility model discloses following beneficial effect has:
1. the utility model discloses in, at first preceding pulling third sleeve of raising one's voice before using equipment lets third sleeve of raising one's voice and second sleeve of raising one's voice expand forward in proper order outside first sleeve of raising one's voice, then opens equipment again, and sound is spread from the speaker and is let sound more concentrate the effect of raising one's voice better through first sleeve of raising one's voice, second sleeve of raising one's voice and third sleeve of raising one's voice.
2. The utility model discloses in, go out when using equipment with the bottom threaded connection of telescopic link on the threaded pin on chassis, then with the card strip of casing bottom insert the draw-in groove in can, easy dismounting is swift to set up the use with equipment and can not influence the effect of raising one's voice, be worth wideling popularize.
Drawings
Fig. 1 is an exploded view of a training device for listening comprehension teaching on a college english line according to the present invention;
fig. 2 is a contraction diagram of a training device for listening comprehension teaching on college english lines, which is provided by the utility model;
fig. 3 is a split view of a loudspeaking sleeve of a training device for listening comprehension teaching on college english line provided by the present invention;
fig. 4 is the utility model provides an internal structure chart of hearing teaching is with training device's casing on college english line.
Illustration of the drawings:
1. a housing; 2. a telescopic rod; 3. a chassis; 4. clamping the strip; 5. a sound-raising hole; 6. fixing the bolt; 7. a rubber pad; 8. mounting a plate; 9. a card slot; 10. a stopper; 11. a first loudspeaking sleeve; 12. a second loudspeaking sleeve; 13. a third loudspeaking sleeve; 14. a first runner block; 15. a second runner block; 16. a first slider; 17. a second slider; 18. a speaker; 19. a storage battery; 20. a control main board; 21. a wireless signal receiver; 22. and (4) a threaded pin.
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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-4, the present invention provides an embodiment: a college English on-line hearing teaching training device comprises a casing 1, a telescopic rod 2 and a chassis 3, wherein the middle part of the inner side of the casing 1 is fixedly connected with a control mainboard 20, one side of the middle part of the front end of the control mainboard 20 is provided with a wireless signal receiver 21, the wireless signal receiver 21 allows equipment to receive English hearing resources through a wireless network, the whole front end of the inner side of the casing 1 is fixedly connected with a loudspeaker 18, the middle part of the front end of the casing 1 is fixedly connected with the rear end of a first loudspeaking sleeve 11, four first sliding groove blocks 14 are fixedly connected with the periphery of the outer side of the first loudspeaking sleeve 11 at equal intervals, a second loudspeaking sleeve 12 is arranged outside the first loudspeaking sleeve 11, four second sliding groove blocks 15 are fixedly connected with the periphery of the outer side of the second loudspeaking sleeve 12 at equal intervals, first sliding blocks 16 are fixedly connected with the periphery of the rear end of the inner wall of the second loudspeaking sleeve 12 at equal intervals, and the first sliding blocks 16 are respectively connected with the first sliding groove blocks 14 in a sliding way, a third loudspeaking sleeve 13 is arranged outside the second loudspeaking sleeve 12, a second slider 17 is fixedly connected with the rear end of the inner wall of the third loudspeaking sleeve 13 at equal intervals, the second slider 17 is respectively connected with a second sliding groove block 15 in a sliding manner, the left side and the right side of the middle part of the bottom end of the shell 1 are respectively fixedly connected with a clamping strip 4, the top end of the inner rod of the telescopic rod 2 is fixedly connected with the middle part of the bottom end of the mounting plate 8, the left side and the right side of the middle part of the top end of the mounting plate 8 are respectively provided with a clamping groove 9, the middle part of the top end of the chassis 3 is fixedly connected with a threaded pin 22, the third loudspeaking sleeve 13 is pulled forwards before the equipment is used, the third loudspeaking sleeve 13 and the second loudspeaking sleeve 12 are sequentially unfolded forwards outside the first loudspeaking sleeve 11, then the equipment is started, and sound is transmitted from the loudspeaker 18 to pass through the first loudspeaking sleeve 11, the second loudspeaking sleeve 12 and the third loudspeaking sleeve 13 to better sound concentration loudspeaking effect, go out when using equipment with the bottom threaded connection of telescopic link 2 on the screw thread round pin 22 of chassis 3, then with the card strip 4 of casing 1 bottom insert in the draw-in groove 9 can, easy dismounting is swift to erect equipment and use can not influence the effect of raising one's voice.
The middle part equidistance of casing 1 is provided with the inside that a plurality of raise voice hole 5 and raise voice hole 5 all are located first sleeve 11 of raising one's voice, the equal fixedly connected with dog 10 in inboard rear end of draw-in groove 9, and the outer pole top of telescopic link 2 is provided with fixing bolt 6, and the bottom fixedly connected with rubber pad 7 on chassis 3, card strip 4 and draw-in groove 9 block, the inboard rear end fixedly connected with battery 19 of casing 1, threaded pin 22 and telescopic link 2's bottom threaded connection.
The working principle is as follows: firstly, pull the third sleeve 13 of raising one's voice forward before using equipment, let third sleeve 13 of raising one's voice and second sleeve 12 of raising one's voice expand forward in proper order outside first sleeve 11 of raising one's voice, then open equipment again, sound is spread out from speaker 18 and is let sound concentrate the effect of raising one's voice better through first sleeve 11 of raising one's voice, second sleeve 12 of raising one's voice and third sleeve 13 of raising one's voice, go out when using equipment with the bottom threaded connection of telescopic link 2 on the threaded pin 22 of chassis 3, then with the card strip 4 of casing 1 bottom insert the draw-in groove 9 in can, easy dismounting is swift, and erect the use with equipment and can not influence the effect of raising one's voice.
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 modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (8)
1. The utility model provides a trainer is used in teaching of listening ability on college english line, includes casing (1), telescopic link (2) and chassis (3), its characterized in that: the loudspeaker is characterized in that a control mainboard (20) is fixedly connected to the middle of the inner side of the casing (1), a wireless signal receiver (21) is arranged on one side of the middle of the front end of the control mainboard (20), a loudspeaker (18) is fixedly connected to the whole front end of the inner side of the casing (1), the middle of the front end of the casing (1) is fixedly connected to the rear end of a first loudspeaker sleeve (11), four first sliding groove blocks (14) are fixedly connected to the periphery of the outer side of the first loudspeaker sleeve (11) at equal intervals, a second loudspeaker sleeve (12) is arranged on the outer side of the first loudspeaker sleeve (11), four second sliding groove blocks (15) are fixedly connected to the periphery of the outer side of the second loudspeaker sleeve (12) at equal intervals, a first sliding block (16) and a first sliding block (16) are fixedly connected to the periphery of the rear end of the inner wall of the second loudspeaker sleeve (12) at equal intervals, and are respectively in sliding connection with the first sliding groove blocks (14), the outside of second sleeve speaker (12) is provided with third sleeve speaker (13), the inner wall rear end of third sleeve speaker (13) equidistance fixedly connected with second slider (17) and second slider (17) respectively with second spout piece (15) sliding connection all around, the equal fixedly connected with card strip (4) in the left and right sides in the bottom middle part of casing (1), the bottom middle part of interior pole top fixed connection in mounting panel (8) of telescopic link (2), the top middle part left and right sides of mounting panel (8) all is provided with draw-in groove (9), the top middle part fixedly connected with threaded pin (22) of chassis (3).
2. The training device for college english line hearing teaching according to claim 1, characterized in that: the middle part equidistance of casing (1) is provided with a plurality of sound-emitting hole (5) and sound-emitting hole (5) all are located the inside of first sleeve of raising one's voice (11).
3. The training device for college english line hearing teaching according to claim 1, characterized in that: the rear ends of the inner sides of the clamping grooves (9) are fixedly connected with stop blocks (10).
4. The training device for college english line hearing teaching according to claim 1, characterized in that: and a fixing bolt (6) is arranged at the top of the outer rod of the telescopic rod (2).
5. The training device for college english line hearing teaching according to claim 1, characterized in that: the bottom end of the chassis (3) is fixedly connected with a rubber pad (7).
6. The training device for college english line hearing teaching according to claim 1, characterized in that: the clamping strip (4) is clamped with the clamping groove (9).
7. The training device for college english line hearing teaching according to claim 1, characterized in that: and a storage battery (19) is fixedly connected to the rear end of the inner side of the shell (1).
8. The training device for college english line hearing teaching according to claim 1, characterized in that: the threaded pin (22) is in threaded connection with the bottom end of the telescopic rod (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120580204.2U CN214281601U (en) | 2021-03-22 | 2021-03-22 | A training device for college English online listening teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120580204.2U CN214281601U (en) | 2021-03-22 | 2021-03-22 | A training device for college English online listening teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214281601U true CN214281601U (en) | 2021-09-24 |
Family
ID=77798631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120580204.2U Expired - Fee Related CN214281601U (en) | 2021-03-22 | 2021-03-22 | A training device for college English online listening teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214281601U (en) |
-
2021
- 2021-03-22 CN CN202120580204.2U patent/CN214281601U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210924 |
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| CF01 | Termination of patent right due to non-payment of annual fee |