CN211044576U - Adjustable loudspeaker for hearing training for English teaching - Google Patents
Adjustable loudspeaker for hearing training for English teaching Download PDFInfo
- Publication number
- CN211044576U CN211044576U CN201922125711.2U CN201922125711U CN211044576U CN 211044576 U CN211044576 U CN 211044576U CN 201922125711 U CN201922125711 U CN 201922125711U CN 211044576 U CN211044576 U CN 211044576U
- Authority
- CN
- China
- Prior art keywords
- loudspeaker
- english teaching
- frame
- fixed
- adjustable
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses constitute including this megaphone comprises two public address frames (6), two the public address frame between connect through connecting rib (7) of arranging from top to bottom, public address frame include frame (2), frame upper portion be fixed with two set shells (9), the set shell inside with L shape slide (5) sliding connection, the frame inside be fixed with ring board (3), the ring board be provided with positioning screw (1) all around, positioning screw with set up and be in the inside toper dustcoat (4) of ring board contact the utility model is used for the hearing in the english teaching.
Description
The technical field is as follows:
the utility model relates to a.
Background art:
at present need hold the recorder in the english teaching and put and carry out the hearing training on the podium usually, but the biggest sound that can amplify when playing russian is by the restriction, and it can lead to the recorder to produce the vibration to play the biggest sound, leads to there being the noise, simultaneously because outdoor sound etc. leads to the student to listen unclear.
The utility model has the following contents:
the utility model aims at solving the problem that the current recorder has the student to hear unclear, providing an english teaching that can go on further enlargeing to recorder sound is with adjustable megaphone of hearing training.
The above purpose is realized by the following technical scheme:
the utility model provides an english teaching is with adjustable megaphone of hearing training, this megaphone comprises two public address framves, two public address frame between connect through the splice bar of arranging from top to bottom, public address frame include the frame, frame upper portion be fixed with two set casing, the set casing inside with L shape slide sliding connection, frame inside be fixed with the ring board, the ring board be provided with positioning screw all around, positioning screw with set up the inside toper dustcoat of ring board contact.
English teaching adjustable megaphone of listening training, set casing upper portion strip hole has, L shape slide on be fixed with the fixed column, the fixed column pass the strip hole and with fixation nut threaded connection.
English teaching with adjustable megaphone of hearing training, the toper dustcoat on be fixed with the rubber circle.
Has the advantages that:
1. the utility model discloses a thereby position adjustment that can realize the toper dustcoat through the position of adjustment positioning screw rod is realized to four positioning screw rod's setting, makes it detain on the loudspeaker dustcoat.
The utility model discloses can further enlarge recorder sound, can prevent that the student from hearing not clearly to influence teaching efficiency and quality.
The utility model discloses a set up L shape slide, L shape slide is fixed at the recorder back, realizes the fixed of frame, and is fixed stable, prevents that the position from taking place to rock.
Description of the drawings:
FIG. 1 is a front view of the present invention;
fig. 2 is a top view of the present invention;
in the figure, the loudspeaker comprises a positioning screw rod 1, an outer frame 2, a circular ring plate 3, a conical outer cover 4, a sliding plate 5 and L, a sound amplifying frame 6, a connecting rib 7, a strip-shaped hole 8, a fixing shell 9, a fixing column 10, a fixing nut 11, a rubber ring 12 and a loudspeaker frame.
The specific implementation mode is as follows:
example 1:
the utility model provides an english teaching is with adjustable megaphone of hearing training, this megaphone comprises two public address framves 6, two public address frame between connect through splice bar 7 of arranging from top to bottom, can conveniently adjust the position of two public address framves, make it on the loudspeaker dustcoat of recorder, public address frame include frame 2, frame upper portion be fixed with two set casing 9, the set casing inside with L shape slide 5 sliding connection, frame inside be fixed with ring plate 3, ring plate be provided with positioning screw 1 all around, positioning screw with set up and be in the inside toper dustcoat 4 of ring plate contact, through setting up four positioning screw and toper dustcoat contact, realize the extrusion to the toper dustcoat for the toper dustcoat is fixed, the toper dustcoat can be adjusted wantonly at the ring plate internal position simultaneously, need adjust four positioning screw respectively after adjusting the position and make it all can realize fixedly with the contact of toper dustcoat.
Example 2:
according to the adjustable loudspeaker for the English teaching hearing training, in embodiment 1, the upper portion of the fixing shell is provided with the strip-shaped hole 8, the L-shaped sliding plate is fixedly provided with the fixing column 10, the fixing column penetrates through the strip-shaped hole and is in threaded connection with the fixing nut 11, and after the L-shaped sliding plate is adjusted in position, the L-shaped sliding plate can be fixed, so that the position of the loudspeaker rack is prevented from being changed.
Example 3:
according to embodiment 1 or 2 english teaching is with adjustable megaphone of hearing training, the toper dustcoat on be fixed with rubber circle 12, because the loudspeaker department of recorder can appear not the planar condition, can adjust the inclination of toper dustcoat earlier through the adjustment like this, then fix the toper dustcoat through set screw, the rubber circle is detained and is realized and loudspeaker department planar laminating in loudspeaker department.
Claims (3)
1. The adjustable loudspeaker for the hearing training for English teaching is characterized by comprising two loudspeaker frames, wherein the two loudspeaker frames are connected through connecting ribs arranged up and down, each loudspeaker frame comprises an outer frame, two fixing shells are fixed on the upper portion of the outer frame, the insides of the fixing shells are in sliding connection with L-shaped sliding plates, circular ring plates are fixed inside the outer frames, positioning screws are arranged on the peripheries of the circular ring plates, and the positioning screws are in contact with conical outer covers arranged inside the circular ring plates.
2. The adjustable loudspeaker for the hearing training for the English teaching according to claim 1, wherein the upper part of the fixing shell is provided with a strip-shaped hole, the L-shaped sliding plate is fixedly provided with a fixing column, and the fixing column penetrates through the strip-shaped hole and is in threaded connection with a fixing nut.
3. The adjustable hearing training loudspeaker for english teaching of claim 1, wherein: and a rubber ring is fixed on the conical outer cover.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201922125711.2U CN211044576U (en) | 2019-12-02 | 2019-12-02 | Adjustable loudspeaker for hearing training for English teaching |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201922125711.2U CN211044576U (en) | 2019-12-02 | 2019-12-02 | Adjustable loudspeaker for hearing training for English teaching |
Publications (1)
Publication Number | Publication Date |
---|---|
CN211044576U true CN211044576U (en) | 2020-07-17 |
Family
ID=71563256
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201922125711.2U Expired - Fee Related CN211044576U (en) | 2019-12-02 | 2019-12-02 | Adjustable loudspeaker for hearing training for English teaching |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN211044576U (en) |
-
2019
- 2019-12-02 CN CN201922125711.2U patent/CN211044576U/en not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200717 Termination date: 20201202 |