CN218103483U

CN218103483U - Feedback suppressor with preset mode

Info

Publication number: CN218103483U
Application number: CN202221470994.XU
Authority: CN
Inventors: 吴生宏; 李文楷; 吴静
Original assignee: Guangzhou Hongpai Audio Co ltd
Current assignee: Guangzhou Hongpai Audio Co ltd
Priority date: 2022-06-13
Filing date: 2022-06-13
Publication date: 2022-12-20
Anticipated expiration: 2032-06-13

Abstract

The utility model discloses a feedback suppressor with a preset mode, which comprises a base and a suppressor body, wherein the suppressor body is slidably sleeved in the base, four corners of the bottom end of the suppressor body are connected with movable rods through a threaded structure, the movable rods are movably sleeved with springs, the bottom ends of the movable rods are slidably sleeved with supporting cylinders, and the bottom ends of the supporting cylinders are connected with the base through a threaded structure; the heat dissipation department of inhibitor body is equipped with the filter screen, and the four corners of filter screen passes through installation component and inhibitor body fixed connection. The damper body can be elastically supported by the aid of the movable rod movably arranged through the cooperation of the spring, so that the damper is prevented from being greatly vibrated when the sound of the sound box is too loud, internal elements of the damper body are prevented from being damaged, and the service life of the damper body is prolonged; through the cooperation of installation component, the filter screen is conveniently dismantled and assembled, and then conveniently regularly clears up the filter screen, has guaranteed the radiating effect of inhibitor body.

Description

Feedback suppressor with preset mode

Technical Field

The utility model relates to a feedback suppressor technical field specifically is a feedback suppressor of mode is predetermine in area.

Background

Nowadays, sound reinforcement systems are more and more common in life, however, in sound reinforcement systems, if the volume of a microphone is greatly increased, the sound emitted by a sound box is transmitted to a howling caused by the microphone, and the phenomenon is sound feedback. The existence of the acoustic feedback not only destroys the sound quality, limits the extension volume of the microphone sound, and enables the sound picked up by the microphone not to be reproduced well, but also uses a feedback suppressor with a self-adapting function for eliminating the acoustic feedback, the feedback suppressor uses a computer technology to rapidly scan and automatically find the frequency of the audio signal generating the howling, and automatically generates a group of narrow-band filters with the same howling frequency to cut off the howling frequency, thereby achieving the purposes of automatically suppressing the howling and eliminating the acoustic feedback.

Most of the existing acoustic feedback suppressors are placed at the top of a sound box when in use, and when the sound of the sound box is too loud, the acoustic feedback suppressors are easy to vibrate, so that internal elements of the acoustic feedback suppressors are easy to damage; and the filter screen of heat dissipation department is mostly fixed setting on the acoustic feedback suppressor, can't take off the filter screen and wash or change, and the dust is if the easy filter screen that blocks up of clearance in time, influences the radiating efficiency, easily causes the inside operating temperature of feedback suppressor too high, and we propose the feedback suppressor of a area default mode for this reason and be used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a feedback inhibitor of mode is predetermine in area 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: a feedback suppressor with a preset mode comprises a base and a suppressor body, wherein the suppressor body is slidably sleeved in the base, four corners of the bottom end of the suppressor body are connected with movable rods through a threaded structure, springs are movably sleeved outside the movable rods, a supporting cylinder is slidably sleeved at the bottom end of the movable rods, and the bottom end of the supporting cylinder is connected with the base through a threaded structure;

the heat dissipation department of inhibitor body is equipped with the filter screen, the four corners of filter screen passes through installation component and inhibitor body fixed connection.

Preferably, the base is of a U-shaped structure.

Preferably, a limiting ring for preventing the movable rod from popping up is fixedly arranged in the supporting cylinder.

Preferably, the outer wall of the bottom of the supporting cylinder is fixedly sleeved with a hexagonal head.

Preferably, the installation component is established by the locating part cover and is constituteed in the connecting piece, the connecting piece includes outer loop, magnet ring I, card lamella, lug, card limit, outer loop one side inner wall edge fixedly connected with magnet ring I, a plurality of card lamellas of a terminal surface fixedly connected with of outer loop are kept away from to magnet ring I, the card lamella cover is established in the round hole that the filter screen four corners was seted up, the card lamella is kept away from magnet ring I one side inner wall fixedly connected with lug, the opposite side outer wall fixedly connected with card limit of card lamella.

Preferably, the locating part includes end cap, grafting post, magnet ring II, the coaxial fixedly connected with grafting post of a terminal surface of end cap, the fixed cover of the one end outer wall that the grafting post is close to the end cap is equipped with magnet ring II, the slip cover of grafting post is established in the card lamella.

Compared with the prior art, the beneficial effects of the utility model are that: the damper body can be elastically supported by the aid of the movable rod movably arranged through the cooperation of the spring, so that the damper is prevented from being greatly vibrated when the sound of the sound box is too loud, internal elements of the damper body are prevented from being damaged, and the service life of the damper body is prolonged; through the cooperation of installation component, the filter screen is conveniently dismantled and assembled, and then conveniently regularly clears up the filter screen, has guaranteed the radiating effect of inhibitor body.

Drawings

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

fig. 2 is a rear view structure diagram of the present invention;

FIG. 3 is a front view of the mounting assembly of the present invention;

fig. 4 is a back structural schematic diagram of the middle mounting assembly of the present invention.

In the figure: the device comprises a base 1, a suppressor body 2, a support cylinder 3, a hexagonal head 31, a movable rod 4, a spring 5, a filter screen 6, a mounting assembly 7, a connecting piece 71, an outer ring 711, a magnet ring I712, a clamping flap 713, a bump 714, a clamping edge 715, a limiting piece 72, an end cap 721, an inserting column 722 and a magnet ring II723.

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.

Example 1

Referring to fig. 1 and 2, in order to provide a first embodiment of the present invention, the embodiment provides a feedback suppressor with a preset mode, which includes a base 1 and a suppressor body 2, wherein the suppressor body 2 is slidably sleeved in the base 1, four corners of the bottom end of the suppressor body 2 are connected with movable rods 4 through a threaded structure, the movable rods 4 are movably sleeved with springs 5, the bottom end of each movable rod 4 is slidably sleeved with a support cylinder 3, and the bottom end of each support cylinder 3 is connected with the base 1 through a threaded structure; the supporting cylinder 3 is placed at the top of the box through the base 1, the movable rod 4 is connected in a sliding mode, the suppressor body 2 is elastically supported through the matching spring 5, further, when the sound of the sound box is too loud, the transmission of vibration is weakened, the suppressor body 2 is prevented from being greatly vibrated, the damage to internal elements of the suppressor body 2 is avoided, the service life of the suppressor body 2 is prolonged, meanwhile, the supporting cylinder 3 and the movable rod 4 are both connected with the base 1 and the suppressor body 2 through threaded structures, further, the base 1 and the suppressor body 2 are conveniently separated, the overall occupied area is reduced during separation, and the use under different scenes is facilitated;

the heat dissipation department of inhibitor body 2 is equipped with filter screen 6, and installation component 7 and 2 fixed connection of inhibitor body are passed through in the four corners of filter screen 6, and installation component 7 carries out spacing fixed to filter screen 6, and installation component 7's magnetism is inhaled the cooperation and is conveniently carried out the dismouting to filter screen 6, and then conveniently carries out periodic cleaning to filter screen 6, has guaranteed the radiating effect of inhibitor body 2.

Example 2

Referring to fig. 1-4, for the second embodiment of the present invention, based on the previous embodiment, specifically, the base 1 is a u-shaped structure, and the base 1 with the u-shaped structure can protect two sides of the suppressor body 2, so as to prevent the suppressor body 2 from being damaged by impact, and at the same time, the normal use and heat dissipation of the suppressor body 2 are not affected.

Specifically, the supporting cylinder 3 is internally fixed with a limiting ring for preventing the movable rod 4 from popping up, the limiting ring is arranged for preventing the movable rod 4 from popping up, and then the integral elastic support is ensured.

Specifically, the fixed cover of bottom outer wall of a supporting cylinder 3 is equipped with hexagonal head 31, and the setting of hexagonal head 31 facilitates the use of tools and rotates supporting cylinder 3, and then conveniently separates base 1 and inhibitor body 2.

Specifically, the mounting assembly 7 is formed by sleeving a limiting member 72 in a connecting member 71, the connecting member 71 includes an outer ring 711, a magnet ring I712, clamping flaps 713, a protrusion 714 and a clamping edge 715, the edge of the inner wall of one side of the outer ring 711 is fixedly connected with the magnet ring I712, one end face of the magnet ring I712, which is far away from the outer ring 711, is fixedly connected with a plurality of clamping flaps 713, the clamping flaps 713 are sleeved in circular holes formed in four corners of the filter screen 6, the inner wall of one side of the clamping flaps 713, which is far away from the magnet ring I712, is fixedly connected with the protrusion 714, and the outer wall of the other side of the clamping flaps 713 is fixedly connected with the clamping edge 715. The limiting member 72 includes an end cap 721, an insertion column 722, and a magnet ring II723, wherein an end face of the end cap 721 is coaxially and fixedly connected with the insertion column 722, the magnet ring II723 is fixedly sleeved on an outer wall of the insertion column 722 near the end cap 721, and the insertion column 722 is slidably sleeved in the valve catch 713. The centers of circles of the outer ring 711, the magnet ring I712 and the clamping flaps 713 are in the same straight line, the clamping flaps 713 are elastic sheets, the clamping flaps 713 are arranged in an annular array with the center of circle of the outer ring 711 as an array point, the projection 714 is a semi-cylindrical projection, the inserting column 722 is formed by combining a cylinder and a circular truncated cone structure, when the mounting assembly 7 is mounted, the clamping flaps 713 of the connecting piece 71 are firstly inserted into mounting holes formed in four corners of the filter screen 6, the end part of the clamping flaps 713 extends into the mounting holes formed in four corners of the heat dissipation opening of the suppressor body 2, then the inserting column 722 is inserted into the outer ring 711, the end cap 721 is pressed forcibly, the inserting column 722 is completely inserted into the clamping flaps 713, the outer wall of the circular truncated cone structure of the inserting column 722 is in sliding contact with the projection 714, when the inserting column 722 is completely inserted, the convex block 714 is squeezed, the clamping edge 715 is driven to diffuse outwards, the clamping edge 715 is in contact with the edge of the mounting hole of the suppressor body 2, the magnetic force of the magnet ring I712 of the connecting piece 71 adsorbs the magnet ring II723 of the limiting piece 72, the limiting piece 72 is prevented from being separated from the connecting piece 71, at the moment, the filter screen 6 can be mounted, when the filter screen 6 needs to be dismounted, the end cap 721 of the limiting piece 72 is pried up, the magnet ring II723 is separated from the magnet ring I712, the inserting column 722 can be taken out, after the inserting column 722 is taken out, the convex block 714 has no extrusion force, the elastic restoring force of the clamping flap 713 drives the clamping edge 715 to be separated from the edge of the mounting hole, the connecting piece 71 can be taken out, after the connecting piece 71 is taken out, the filter screen 6 can be dismounted, and the filter screen 6 is convenient to clean.

Example 3

Referring to fig. 1-4, for the third embodiment of the present invention, this embodiment is based on the above two embodiments, when in use, the base 1 is placed on the top of the box, the supporting cylinder 3 is slidably connected with the movable rod 4, and the spring 5 is matched to elastically support the suppressor body 2, so that when the sound of the sound box is too loud, the transmission of vibration is weakened, the large vibration caused to the suppressor body 2 is avoided, the damage of the internal components of the suppressor body 2 is avoided, the service life of the suppressor body 2 is prolonged, and meanwhile, the supporting cylinder 3 and the movable rod 4 are both connected with the base 1 and the suppressor body 2 through the thread structures, so as to conveniently separate the base 1 and the suppressor body 2, reduce the whole occupied area during separation, and facilitate the use in different scenes; when the installation assembly 7 is installed, firstly, the clamping flap 713 of the connecting piece 71 is inserted into the installation hole formed at four corners of the filter screen 6, the end portion of the clamping flap 713 extends into the installation hole formed at four corners of the heat dissipation opening of the suppressor body 2, then the inserting column 722 is inserted into the outer ring 711, meanwhile, the end cap 721 is pressed forcibly, so that the inserting column 722 is completely inserted into the clamping flap 713, the outer wall of the circular truncated cone structure of the inserting column 722 is in sliding contact with the projection 714, when the inserting column 722 is completely inserted, the projection 714 is squeezed, and the clamping edge 715 is driven to diffuse outwards, the clamping edge 715 is in contact with the edge of the installation hole of the suppressor body 2, meanwhile, the magnetic force of the magnetic ring I712 of the connecting piece 71 adsorbs the magnetic ring II723 of the limiting piece 72, so as to prevent the limiting piece 72 from separating from the connecting piece 71, at the filter screen 6 can be installed, when the filter screen 6 needs to be disassembled, the end cap 721 of the limiting piece 72 is pried, so that the magnetic ring II is separated from the magnetic ring I712, the inserting column 722 can be taken out, after the inserting column 722 is taken out, the projection has no effect, the elastic restoring force of the clamping flap 713 drives the clamping edge to separate the clamping edge from the edge 715, the edge to be taken out, the edge of the connecting piece 71, so that the connecting piece 71 can be taken out, the connecting piece 71 can be conveniently, and the filter screen can be removed, and the filter screen 6 can be cleaned, and the filter screen can be conveniently, and the filter screen 6 can be removed, and the filter screen can be conveniently cleaned, and the filter screen can be removed, and the filter screen 6 can be conveniently.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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

1. The utility model provides a feedback suppressor of mode is predetermine in area, includes base (1), suppressor body (2), its characterized in that: the suppressor body (2) is slidably sleeved in the base (1), four corners of the bottom end of the suppressor body (2) are connected with movable rods (4) through a threaded structure, springs (5) are movably sleeved outside the movable rods (4), a supporting cylinder (3) is slidably sleeved at the bottom end of each movable rod (4), and the bottom end of each supporting cylinder (3) is connected with the base (1) through a threaded structure;

the heat dissipation department of inhibitor body (2) is equipped with filter screen (6), the four corners of filter screen (6) is through installation component (7) and inhibitor body (2) fixed connection.

2. A feedback suppressor with preset modes as claimed in claim 1 wherein: the base (1) is of a U-shaped structure.

3. A feedback suppressor with preset modes as claimed in claim 1 wherein: and a limiting ring for preventing the movable rod (4) from popping up is fixedly arranged in the supporting cylinder (3).

4. A feedback suppressor with preset modes as claimed in claim 1 wherein: the outer wall of the bottom of the supporting cylinder (3) is fixedly sleeved with a hexagonal head (31).

5. A feedback suppressor with preset modes as claimed in claim 1 wherein: the mounting assembly (7) is established by locating part (72) and is constituteed in connecting piece (71), connecting piece (71) are including outer ring (711), magnet ring I (712), card lamella (713), lug (714), card limit (715), outer ring (711) one side inner wall edge fixedly connected with magnet ring I (712), a plurality of card lamellas (713) of terminal surface fixedly connected with of outer ring (711) are kept away from in magnet ring I (712), card lamella (713) are established in the round hole that filter screen (6) four corners was seted up, card lamella (713) are kept away from magnet ring I (712) one side inner wall fixedly connected with lug (714), the opposite side outer wall fixedly connected with card limit (715) of card lamella (713).

6. A feedback suppressor with preset modes according to claim 5 wherein: the limiting piece (72) comprises an end cap (721), an inserting column (722) and a magnet ring II (723), wherein the inserting column (722) is coaxially and fixedly connected to one end face of the end cap (721), the magnet ring II (723) is fixedly sleeved on the outer wall of one end, close to the end cap (721), of the inserting column (722), and the inserting column (722) is slidably sleeved in the clamping piece (713).