CN216087009U

CN216087009U - Audio amplifying device

Info

Publication number: CN216087009U
Application number: CN202122575893.0U
Authority: CN
Inventors: 张继承; 周燕清; 刘伟群
Original assignee: Hunan Zhitai Technology And Culture Co ltd
Current assignee: Hunan Zhitai Technology And Culture Co ltd
Priority date: 2021-10-26
Filing date: 2021-10-26
Publication date: 2022-03-18
Anticipated expiration: 2031-10-26

Abstract

The present invention provides an audio amplifying apparatus, comprising: the shell body, the sound reproduction mouth has been seted up in the front of shell body, well accuse groove has been seted up to the left surface of shell body, the back of shell body articulates through the hinge has the protective cover, the female magic of left surface fixedly connected with of shell body pastes the connecting band, the sub-magic of right flank fixedly connected with of shell body pastes the connecting band. This audio frequency amplification device, through setting up the shell body, the mr just can place the inside of shell body with the amplifier body like this, at first played a guard action to the amplifier body, paste connecting band and sub-magic through setting up female magic on the shell body and paste the connecting band, make things convenient for the mr to fix the shell body to between the waist of oneself when lecture like this, and the surface that female magic pasted the connecting band and sub-magic pasted the connecting band is equipped with main joint area and vice joint area respectively, can make the mr carry out dual fixed connection like this, can make shell body coupling more firm.

Description

Audio amplifying device

Technical Field

The utility model relates to the technical field of audio amplification, in particular to an audio amplification device.

Background

The audio amplifier is also called a loudspeaker, which is characterized in that sound is amplified as the name implies, and the sound transmission of the loudspeaker is stronger relative to a sound box, and the audio amplifier can be divided into the following parts according to the using mode: wired megaphone, wireless megaphone and megaphone, because the classroom space is great in the teaching, in order to guarantee the quality of teaching, the audio amplifier can be worn sometimes during the teacher class and the teaching, and there are some not enough when using in current audio amplifier:

when a teacher wears the audio amplifier, the fixing band tied to the waist is easy to loosen, so that the amplifier swings around the teacher, the using effect of the amplifier is affected, and the teaching quality is reduced.

Therefore, it is necessary to provide an audio amplifying device to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides an audio amplifier device for solving the problem that when a teacher wears an audio amplifier, a fixing strap tied to the waist is easy to loosen, so that the amplifier swings around the teacher, the using effect of the amplifier is affected, and the teaching quality is reduced.

The utility model provides an audio amplifying device, comprising: the shell body, the sound reproduction mouth has been seted up in the front of shell body, well accuse groove has been seted up to the left surface of shell body, the back of shell body articulates through the hinge has the protective cover, the female magic of the left surface fixedly connected with of shell body pastes the connecting band, the sub-magic of the right surface fixedly connected with of shell body pastes the connecting band, the surface fixedly connected with main joint area of female magic subsides connecting band, the sub-fixed surface fixedly connected with sub-joint area of sub-magic subsides connecting band, the inside of shell body is equipped with the amplifier body, the left surface of amplifier body is fixed to be inlayed and is had control switch and microphone line connector, microphone line connector is located control switch's below, the front of amplifier body is equipped with the sound reproduction mouth.

Preferably, two symmetrical joint heads of bottom surface fixedly connected with of protective cover, two fixed blocks of the positive fixedly connected with of shell body, two the draw-in groove has all been seted up to the upper surface of fixed block, two spouts, two have been seted up to the inner wall of draw-in groove the equal sliding connection in inside of spout has the chuck, two the equal fixedly connected with first spring in a side that the chuck was kept away from each other, two the one end that first spring was kept away from each other respectively with the inner wall fixed connection of two spouts.

Preferably, the bottom surface fixedly connected with rectangular block of protective cover, the rectangular channel has been seted up to the bottom surface of rectangular block, the inside sliding connection of rectangular channel has the compact heap, the second spring that the interior roof fixedly connected with equidistance of rectangular channel was arranged, every the bottom of second spring all is connected with the last fixed surface of compact heap.

Preferably, the lower part of the pressing block is provided with the anti-slip pads which are arranged at equal intervals, and the upper surface of each anti-slip pad is fixedly connected with the bottom surface of the pressing block.

Preferably, a nameplate is arranged in front of the outer shell and located below the sound reproduction port, and the back surface of the nameplate is fixedly connected with the front surface of the outer shell.

Preferably, a volume controller is arranged on the left side face of the amplifier body and is positioned between the control switch and the microphone line connecting port.

Compared with the related art, the audio amplifying device provided by the utility model has the following beneficial effects:

1. according to the utility model, the outer shell is arranged, so that a teacher can place the amplifier body in the outer shell, a protection effect is firstly exerted on the amplifier body, the female magic tape connecting belt and the male magic tape connecting belt are arranged on the outer shell, so that the teacher can conveniently fix the outer shell to the waist of the teacher during lecture, and the main clamping belt and the auxiliary clamping belt are respectively arranged on the outer surfaces of the female magic tape connecting belt and the male magic tape connecting belt, so that the teacher can carry out double fixed connection, the connection of the outer shell can be firmer, and the phenomenon that the outer shell is loosened due to the insecure magic tape can be avoided.

2. According to the amplifier, the pressing block is arranged on the bottom surface of the protective cover, and the upper surface of the pressing block is connected with the rectangular block through the spring, so that when the protective cover is closed, the pressing block can automatically press the amplifier body in the outer shell through the acting force of the spring, and the amplifier body can be more stable in the outer shell.

Drawings

FIG. 1 is a schematic perspective view of an outer casing according to the present invention;

FIG. 2 is a cross-sectional view of a front view of the anchor block of the present invention;

FIG. 3 is a schematic perspective view of an amplifier body according to the present invention;

fig. 4 is a cross-sectional view of a front view of a rectangular block of the present invention.

Reference numbers in the figures: 1. an outer housing; 2. a sound playing port; 3. a central control slot; 4. a protective cover; 5. a rectangular block; 6. an amplifier body; 7. a fixed block; 8. the sub-magic tape is connected with the belt; 9. a secondary snap belt; 10. a nameplate; 11. a primary snap band; 12. connecting the female hook-and-loop fastener with the connecting belt; 13. a clamping head; 14. a chute; 15. a first spring; 16. a chuck; 17. a control switch; 18. a volume controller; 19. a microphone line connector; 20. a broadcast port; 21. a non-slip mat; 22. a compression block; 23. a rectangular groove; 24. a second spring; 25. a clamping groove.

Detailed Description

The utility model is further described with reference to the following figures and embodiments.

Referring to fig. 1, fig. 2, fig. 3 and fig. 4, an audio amplifying apparatus includes: shell body 1, sound reproduction mouth 2 has been seted up in shell body 1's the front, well accuse groove 3 has been seted up to shell body 1's left surface, shell body 1's the back articulates through the hinge has protective cover 4, shell body 1's the female magic of left surface fixedly connected with pastes connecting band 12, shell body 1's the son magic of right surface fixedly connected with pastes connecting band 8, the surface fixedly connected with owner joint area 11 of female magic paste connecting band 12, the vice joint area 9 of the surface fixedly connected with of son magic paste connecting band 8, shell body 1's inside is equipped with amplifier body 6, amplifier body 6's the fixed left surface of inlaying has control switch 17 and words line connector 19, the word line connector 19 is located control switch 17's below, amplifier body 6's front is equipped with sound reproduction mouth 20.

In the specific implementation process, two symmetrical clamping joints 13 are fixedly connected to the bottom surface of the protective cover 4, two fixed blocks 7 are fixedly connected to the front surface of the outer shell 1, clamping grooves 25 are formed in the upper surfaces of the two fixed blocks 7, two sliding grooves 14 are formed in the inner walls of the clamping grooves 25, clamping heads 16 are slidably connected to the insides of the two sliding grooves 14, first springs 15 are fixedly connected to one side surfaces, away from each other, of the two clamping heads 16, one ends, away from each other, of the two first springs 15 are fixedly connected to the inner walls of the two sliding grooves 14 respectively, the two clamping heads 16 can automatically clamp and fix the clamping joints 13 under the elastic action of the first springs 15, a rectangular block 5 is fixedly connected to the bottom surface of the protective cover 4, a rectangular groove 23 is formed in the bottom surface of the rectangular block 5, a pressing block 22 is slidably connected to the inside of the rectangular groove 23, second springs 24 which are equidistantly arranged on the inner top wall of the rectangular groove 23, the bottom end of each second spring 24 is fixedly connected with the upper surface of the pressing block 22, the pressing block 22 in the rectangular groove 23 can fix the amplifier body 6 by the acting force of the second spring 24 to prevent the amplifier body 6 from shaking in the outer shell 1, anti-slip pads 21 are arranged below the pressing block 22 at equal intervals, the upper surface of each anti-slip pad 21 is fixedly connected with the bottom surface of the pressing block 22, the anti-slip pads 21 are arranged on the bottom surface of the pressing block 22, so that the fixing effect of the pressing block 22 on the amplifier body 6 is better, a nameplate 10 is arranged in front of the outer shell 1, the nameplate 10 is positioned below the sound playing port 2, the back surface of the nameplate 10 is fixedly connected with the front surface of the outer shell 1, the nameplate 10 is arranged in front of the outer shell 1, so that a teacher can conveniently know the specification information of the device, a volume controller 18 is arranged on the left side surface of the amplifier body 6, the volume controller 18 is located between the control switch 17 and the microphone line connection port 19, and the volume value of the amplifier body 6 can be adjusted by providing the volume controller 18.

The working principle of the audio amplifying device provided by the utility model is as follows: the mr at first places amplifier body 6 to the inside of shell body 1, then close protective cover 4 and shell body 1 and close the closed connection, at this moment, compact heap 22 of protective cover 4 bottom can compress tightly amplifier body 6 through the effort of second spring 24 is automatic, then the mr pastes connecting band 12 with female magic and pastes connecting band 8 around pasting fixedly between self waist with sub-magic, it is fixed to surround main joint area 11 and vice joint area 9 around carrying out mutual joint between the waist again, then press control switch 17 and make amplifier body 6 work, the mr can adjust the volume of broadcasting the play of sound mouth 20 through twisting volume control 18.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. An audio amplification apparatus, comprising: the loudspeaker comprises an outer shell (1), a sound playing port (2) is formed in the front of the outer shell (1), a central control groove (3) is formed in the left side face of the outer shell (1), a protective cover (4) is hinged to the back face of the outer shell (1) through a hinge, a female magic tape connecting belt (12) is fixedly connected to the left side face of the outer shell (1), a male magic tape connecting belt (8) is fixedly connected to the right side face of the outer shell (1), a main clamping belt (11) is fixedly connected to the outer surface of the female magic tape connecting belt (12), a secondary clamping belt (9) is fixedly connected to the outer surface of the male magic tape connecting belt (8), an amplifier body (6) is arranged inside the outer shell (1), a control switch (17) and a microphone line connecting port (19) are fixedly embedded in the left side face of the amplifier body (6), the microphone line connecting port (19) is located below the control switch (17), the front surface of the amplifier body (6) is provided with a broadcasting port (20).

2. The audio amplifying device according to claim 1, wherein two symmetrical snap joints (13) are fixedly connected to a bottom surface of the protective cover (4), two fixed blocks (7) are fixedly connected to a front surface of the outer housing (1), two snap grooves (25) are formed in upper surfaces of the two fixed blocks (7), two sliding grooves (14) are formed in inner walls of the snap grooves (25), two chucks (16) are slidably connected to insides of the two sliding grooves (14), one side surfaces of the two chucks (16) away from each other are fixedly connected to first springs (15), and ends of the two first springs (15) away from each other are fixedly connected to inner walls of the two sliding grooves (14), respectively.

3. The audio amplifier device according to claim 1, wherein a rectangular block (5) is fixedly connected to a bottom surface of the protective cover (4), a rectangular groove (23) is formed in the bottom surface of the rectangular block (5), a pressing block (22) is slidably connected to an inside of the rectangular groove (23), second springs (24) are fixedly connected to an inner top wall of the rectangular groove (23) and are arranged equidistantly, and a bottom end of each second spring (24) is fixedly connected to an upper surface of the pressing block (22).

4. The audio amplifier device according to claim 3, wherein the pressing block (22) is provided with anti-slip pads (21) arranged at equal intervals, and the upper surface of each anti-slip pad (21) is fixedly connected with the bottom surface of the pressing block (22).

5. The audio amplifier device as claimed in claim 1, wherein a nameplate (10) is arranged in front of the outer casing (1), the nameplate (10) is located below the sound reproduction opening (2), and the back surface of the nameplate (10) is fixedly connected with the front surface of the outer casing (1).

6. The audio amplifier device as claimed in claim 1, wherein a volume control (18) is provided on the left side surface of the amplifier body (6), and the volume control (18) is located in the middle of the control switch (17) and the microphone line connection port (19).