CN217546279U - Audio feedback suppressor of electronic sound production device - Google Patents

Abstract

The utility model discloses an electronic sound production device's audio feedback inhibitor, including inhibitor casing and hou gai, first opening has been seted up at the back of inhibitor casing, the inner wall fixedly connected with installing frame of first opening, the mounting groove has all been seted up to the both sides of first opening, the fixed frame of the inside fixedly connected with of mounting groove, the inside intermediate rotation of fixed frame is connected with the threaded rod, the top and the equal fixedly connected with movable plate in bottom of nut cover, the movable plate is kept away from the one end of nut cover and is located one side fixedly connected with fixture block of first opening, the slot has all been seted up to the top four corners department of installing frame, the equal fixedly connected with in back four corners department of back lid and slot assorted inserted block, the inserted block is kept away from one side of back lid center department and is seted up with fixture block assorted draw-in groove, the utility model discloses can be convenient for the dismantlement and the installation of back lid, labour saving and time saving, it is convenient to maintain and overhaul, and the practicality is good.

Description

Audio feedback suppressor of electronic sound production device

Technical Field

The utility model relates to an electronic equipment audio feedback suppressor technical field specifically is an electron sound generating mechanism's audio feedback suppressor.

Background

The electronic sound production device is a device for converting an electric signal into a sound signal, and the core devices are a loudspeaker and a signal circuit, and can be seen in sound production electronic and electrical equipment, such as infrared alarm equipment for community security, alarm devices of electric vehicles, abnormal state sound production prompt modules of communication equipment, voice prompt modules of various intelligent equipment, sounds for playing music or broadcasting and the like. In order to eliminate the interference factors accompanying the audio playing of the audio equipment, the high-quality audio equipment is provided with an audio feedback suppressor, and the audio feedback suppressor is used for reducing the influence of a feedback structure in an acoustic loop of an electronic product on an audio system and improving the tone quality of audio playing. However, the existing audio feedback suppressor is inconvenient to disassemble and assemble, so that the audio feedback suppressor is inconvenient to repair and maintain.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electronic sound generating mechanism's audio feedback suppressor to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an electron sound production device's audio feedback inhibitor, includes inhibitor casing and hou gai, first opening has been seted up at the back of inhibitor casing, the inner wall fixedly connected with installing frame of first opening, the mounting groove has all been seted up to the both sides of first opening, the fixed frame of inside fixedly connected with of mounting groove, it is connected with the threaded rod to rotate in the middle of the inside of fixed frame, the surperficial threaded connection of threaded rod has the nut cover, the top and the equal fixedly connected with movable plate in bottom of nut cover, the movable plate is kept away from the one end of nut cover and is located one side fixedly connected with fixture block of first opening, the slot has all been seted up to the top four corners department of installing frame, the equal fixedly connected with in back four corners department of back lid and slot assorted inserted block, the inserted block is kept away from one side of back lid center department and is seted up with fixture block assorted draw-in groove.

Preferably, the mounting groove is kept away from one side of first opening and has been seted up logical groove, just the one end that leads to the groove link up the inhibitor casing, the one end of threaded rod is run through to leading to inslot and fixedly connected with commentaries on classics handle.

Preferably, the both sides of threaded rod all are provided with the guide arm, guide arm fixed connection is between the inside both sides of fixed frame, the both ends slip of nut cover cup joints in the surface of guide arm, the top and the bottom of fixed frame inner wall all fixed mounting have the slide rail, the one end sliding connection of movable plate is in the slide rail.

Preferably, the two ends of the fixing frame, which are close to one side of the slot, are provided with sliding openings, and one end of the clamping block slides through the sliding openings.

Preferably, an indication panel is fixedly mounted on the front surface of the suppressor case.

Preferably, a second through hole is formed in the middle of the mounting frame, and the first through hole and the second through hole are both arranged in a rectangular shape.

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

the utility model discloses an inhibitor casing, fixed frame, the movable plate, the fixture block, the threaded rod, change the handle, the nut cover, back lid and the setting of inserted block are when installing back lid on the inhibitor casing, at first insert the inserted block at the back lid back in the slot on the installing frame, carry out preliminary fixed to the back lid, then stretch into logical inslot rotation handle with the hand, make the threaded rod rotate, and the cooperation through the guide arm, make the nut cover drive the movable plate and remove towards back lid direction, make the fixture block at movable plate both ends insert in the draw-in groove of inserted block one side, thereby can be fixed the inhibitor casing with the four corners of back lid on, make the back lid can be stable fixed to the inhibitor casing on, when dismantling the back lid, only need rotate the hand and make the fixture block break away from the draw-in groove, pull out the back lid again can, then can be convenient for the dismantlement and the installation of back lid through this device, time saving and labor saving, it is convenient to maintain and overhaul.

Drawings

Fig. 1 is a schematic rear sectional structural view of a suppressor case according to the present invention;

fig. 2 is a schematic rear view of the suppressor case according to the present invention;

FIG. 3 is a schematic structural view of the middle and rear covers of the present invention;

fig. 4 is a schematic sectional view of the middle insert block of the present invention;

FIG. 5 is an enlarged schematic view of the structure of FIG. 1;

fig. 6 is an enlarged schematic structural diagram of the present invention at B in fig. 1.

In the figure: 10. a suppressor housing; 100. an indication panel; 101. a first port; 102. mounting grooves; 103. a through groove; 11. installing a frame; 111. a slot; 112. a second port; 20. a fixing frame; 200. a sliding port; 201. a slide rail; 21. moving the plate; 22. a clamping block; 23. a threaded rod; 231. turning a handle; 24. a nut sleeve; 25. a guide bar; 30. a rear cover; 31. inserting a block; 311. a clamping groove.

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. 1-6, the present invention provides a technical solution: the utility model provides an electronic sound generating mechanism's audio feedback inhibitor, including inhibitor casing 10 and back lid 30, first opening 101 has been seted up at the back of inhibitor casing 10, the inner wall fixedly connected with installing frame 11 of first opening 101, mounting groove 102 has all been seted up to the both sides of first opening 101, the fixed frame 20 of the inside fixedly connected with of installing groove 102, the inside interrotation of fixed frame 20 is connected with threaded rod 23, threaded rod 23's surface threaded connection has nut cover 24, the equal fixedly connected with movable plate 21 in top and bottom of nut cover 24, movable plate 21 keeps away from the one end of nut cover 24 and is located one side fixedly connected with fixture block 22 of first opening 101, slot 111 has all been seted up to the top four corners department of installing frame 11, the equal fixedly connected with in back four corners department of back lid 30 and slot 111 assorted inserted block 31, one side that back lid 30 center department was kept away from to inserted block 31 is seted up with fixture block 22 assorted draw-in groove 311, a plurality of louvre has further been seted up on the surface of back lid 30.

Wherein, the one side that first opening 101 was kept away from to mounting groove 102 has seted up logical groove 103, and the one end that leads to groove 103 link up inhibitor casing 10, and the one end of threaded rod 23 runs through to leading to in the groove 103 and fixedly connected with changes handle 231, can be convenient for rotate threaded rod 23 through changeing handle 231.

Wherein, threaded rod 23's both sides all are provided with guide arm 25, guide arm 25 fixed connection is between the inside both sides of fixed frame 20, the both ends slip of nut cover 24 cup joints in guide arm 25's surface, carry on spacingly through guide arm 25 to nut cover 24 and make the removal that nut cover 24 can be stable, the equal fixed mounting in top and the bottom of fixed frame 20 inner wall has slide rail 201, the one end sliding connection of movable plate 21 is in slide rail 201, the cooperation through slide rail 201 can be so that the stable removal of movable plate 21.

Both ends of the fixing frame 20 near one side of the slot 111 are both provided with a sliding opening 200, and one end of the fixture block 22 slides through the sliding opening 200.

An indication panel 100 is fixedly mounted on the front surface of the suppressor case 10.

The middle of the mounting frame 11 is provided with a second opening 112, and the first opening 101 and the second opening 112 are both rectangular.

The working principle is as follows: when the rear cover 30 is mounted on the suppressor casing 10, firstly, the insert block 31 on the back of the rear cover 30 is inserted into the slot 111 on the mounting frame 11, the rear cover 30 is preliminarily fixed, then the rear cover extends into the through slot 103 by hand to rotate the rotating handle 231, so that the threaded rod 23 rotates, and the nut sleeve 24 is matched with the guide rod 25 to drive the moving plate 21 to move towards the rear cover 30, so that the fixture blocks 22 at two ends of the moving plate 21 are inserted into the clamping slots 311 on one side of the insert block 31, and four corners of the rear cover 30 can be fixed on the suppressor casing 10, so that the rear cover 30 can be stably fixed on the suppressor casing 10, when the rear cover 30 is dismounted, only the rotating hand needs to be rotated to separate the fixture blocks 22 from the clamping slots 311, and then the rear cover 30 is pulled out, and the dismounting and mounting of the rear cover 30 can be facilitated by the device, time and labor are saved, and maintenance are convenient.

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 (6)

1. An audio feedback suppressor for an electronic sound-emitting device, comprising a suppressor casing (10) and a rear cover (30), characterized in that: first opening (101) have been seted up at the back of inhibitor casing (10), inner wall fixedly connected with installing frame (11) of first opening (101), mounting groove (102) have all been seted up to the both sides of first opening (101), the fixed frame (20) of the inside fixedly connected with of mounting groove (102), the inside intermediate rotation of fixed frame (20) is connected with threaded rod (23), the surface screw thread connection of threaded rod (23) has nut cover (24), the equal fixedly connected with movable plate (21) in top and bottom of nut cover (24), one side fixedly connected with fixture block (22) that nut cover (24) was kept away from in movable plate (21) one end and was located first opening (101), slot (111) have all been seted up to the top four corners department of installing frame (11), the equal fixedly connected with in back four corners department of back lid (30) and slot (111) assorted inserted block (31), inserted block (31) keep away from one side of back lid (30) center department and seted up with fixture block (22) assorted draw-in groove (311).

2. The audio feedback suppressor of an electronic sound-emitting device according to claim 1, wherein: lead to groove (103) have been seted up to one side that first opening (101) was kept away from in mounting groove (102), just the one end that leads to groove (103) link up inhibitor casing (10), the one end of threaded rod (23) is run through to leading to in groove (103) and fixedly connected with changes handle (231).

3. An audio feedback suppressor for an electronic sound generating device according to claim 1, further comprising: the both sides of threaded rod (23) all are provided with guide arm (25), guide arm (25) fixed connection is between fixed frame (20) inside both sides, the both ends of nut cover (24) slide and cup joint in the surface of guide arm (25), the top and the equal fixed mounting in bottom of fixed frame (20) inner wall have slide rail (201), the one end sliding connection of movable plate (21) is in slide rail (201).

4. The audio feedback suppressor of an electronic sound-emitting device according to claim 1, wherein: the two ends of the fixing frame (20) close to one side of the slot (111) are provided with sliding openings (200), and one end of the clamping block (22) slides through the sliding openings (200).

5. An audio feedback suppressor for an electronic sound generating device according to claim 1, further comprising: an indication panel (100) is fixedly arranged on the front surface of the suppressor shell (10).

6. An audio feedback suppressor for an electronic sound generating device according to claim 1, further comprising: a second through hole (112) is formed in the middle of the mounting frame (11), and the first through hole (101) and the second through hole (112) are both arranged in a rectangular mode.

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