CN218734796U

CN218734796U - Microphone miaow core of preventing whistling takes precautions against earthquakes

Info

Publication number: CN218734796U
Application number: CN202222618045.8U
Authority: CN
Inventors: 黄茂全
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-09-29
Filing date: 2022-09-29
Publication date: 2023-03-24
Anticipated expiration: 2032-09-29

Abstract

The utility model discloses a microphone core capable of preventing shock and whistling, which comprises a microphone core joint, a mounting seat and a microphone core, wherein the microphone core is fixedly connected in the microphone core joint after being fixedly connected on the top surface of the mounting seat, a shock pad is fixedly connected on the periphery of the microphone core, the outer side of the shock pad is attached on the inner wall of the microphone core joint, and the inner surface of the shock pad is attached on the outer surface of the microphone core; the utility model discloses a shock pad is at absorbing in-process, and the gasbag through the elasticity of bullet pad and shock attenuation intracavity portion carries out the shock attenuation to the miaow core, and the shock attenuation effect is obvious to because the volume after the gasbag is aerifyd can reduce the range of miaow core vibrations and reduce the time of the vibrations of miaow core for 50% -95% of shock attenuation chamber volume.

Description

Microphone miaow core of preventing whistling takes precautions against earthquakes

Technical Field

The utility model relates to a microphone technical field specifically is a microphone miaow core of preventing calling for and whistle can take precautions against earthquakes.

Background

A moving-coil microphone is a device that converts sound into an electrical signal. The moving-coil microphone is made by utilizing the electromagnetic induction phenomenon, when sound waves enable a diaphragm to vibrate, a voice coil connected to the diaphragm vibrates along with the diaphragm, the voice coil vibrates in a magnetic field to generate induction current, the size and the direction of the induction current change, the changed amplitude and frequency are determined by the sound waves, the induction current is amplified by a loudspeaker and then transmitted to a loudspeaker to generate amplified sound, but the existing moving-coil microphone core is of a fixed structure, so that the anti-vibration effect is poor when the microphone is used, the microphone cannot be well anti-vibration, and after the microphone is collided with the outside, the diaphragm inside the moving-coil microphone core can generate violent vibration, so that larger noise is generated, and the normal use of the microphone is seriously influenced.

Have among the prior art to set up on the miaow core through spring, bullet pad isotructure, but these structures are in the in-service use in-process, because the spring can make a round trip to stretch out and draw back, have influenced the stability of miaow core in return, only play the pad, the shock attenuation effect is unsatisfactory.

Disclosure of Invention

The utility model aims at providing a can take precautions against earthquakes and prevent microphone miaow core of whistling to solve the problem that present beijing technology center proposed.

In order to realize the purpose, the technical scheme of the utility model is that:

the utility model provides a microphone miaow core of preventing calling for bad news takes precautions against earthquakes, includes miaow core joint, mount pad, miaow core fixed connection is in miaow core joint after on the mount pad top surface, fixedly connected with shock pad on the periphery of miaow core, the outside laminating of shock pad is on the inner wall that miaow core connects, the internal surface laminating of shock pad is on the surface of miaow core.

Further, the microphone joint is of a hollow cylindrical structure.

Further, the shock pad includes clamp plate and bullet pad, the bullet pad is the loop configuration, the clamp plate sets up the inboard at the bullet pad, the internal surface of clamp plate is circular-arc, the internal surface laminating of clamp plate is on the surface of miaow core, the surface laminating of bullet pad is on the internal surface that miaow core connects.

Furthermore, a communicating hole is formed in the inner surface of the elastic pad, a connecting rod is fixedly connected or integrally formed on the outer side surface of the pressing plate, and the connecting rod is inserted into the communicating hole.

Furthermore, a damping cavity is formed in the elastic pad, an air bag is sleeved in the damping cavity, the damping cavity is communicated with the communicating hole, and one side, far away from the pressing plate, of the connecting rod abuts against the surface of the air bag.

Further, the volume of the inflated air bag is 50% -95% of the volume of the damping cavity.

Further, a gap exists between the inner surface of the elastic cushion and the outer surface of the pressure plate.

Compared with the prior art, the utility model has the advantages and positive effect be:

the utility model discloses be provided with the shock pad between the outer wall of miaow core and miaow core joint inner wall, can reduce the vibration amplitude of miaow core when vibrations through the shock pad to very big reduction the noise volume of moving coil formula miaow core.

The utility model discloses a shock pad is at absorbing in-process, and the gasbag through the elasticity of bullet pad and shock attenuation intracavity portion carries out the shock attenuation to the miaow core, and the shock attenuation effect is obvious to because the volume after the gasbag is aerifyd can reduce the range of miaow core vibrations and reduce the time of the vibrations of miaow core for 50% -95% of shock attenuation chamber volume.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive labor.

Fig. 1 is a perspective exploded view of the present invention;

FIG. 2 is a connection diagram of the microphone core and the shock pad of the present invention;

fig. 3 is a partial sectional view of the shock pad of the present invention.

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", 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 simplification of the 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 as a specific case by those skilled in the art.

As shown in figures 1-3 of the drawings,

the utility model provides a microphone miaow core of preventing whistling takes precautions against earthquakes, includes miaow core joint 1, mount pad 2, miaow core 3 fixed connection is in miaow core joint 1 after 2 top surfaces of mount pad are gone up, fixedly connected with shock pad 4 on the periphery of miaow core 3, the laminating of the outside of shock pad 4 is on the inner wall that miaow core connects 1, the laminating of the internal surface of shock pad 4 is on miaow core 3's surface.

In this embodiment, the microphone joint 1 has a hollow cylindrical structure.

In this embodiment, the cushion 4 includes a pressing plate 42 and an elastic pad 41, the elastic pad 41 is of an annular structure, the pressing plate 42 is disposed on the inner side of the elastic pad 41, the inner surface of the pressing plate 42 is arc-shaped, the inner surface of the pressing plate 42 is attached to the outer surface of the microphone core 3, and the outer surface of the elastic pad 41 is attached to the inner surface of the microphone core joint 1.

In this embodiment, the inner surface of the elastic pad 4 is provided with a communication hole 411, the outer side surface of the pressing plate 42 is fixedly connected or integrally formed with a connecting rod 421, and the connecting rod 421 is inserted into the communication hole 411.

In this embodiment, a damping chamber 412 is formed inside the elastic cushion 4, the airbag 43 is sleeved in the damping chamber 412, the damping chamber 412 is communicated with the communication hole 411, and one side of the connecting rod 421 away from the pressing plate 42 abuts against the surface of the airbag 43.

In this embodiment, the inflated volume of the airbag 43 is 50% -95% of the volume of the shock absorbing cavity 412.

In this embodiment, a gap exists between the inner surface of the elastic pad 41 and the outer surface of the pressing plate 42.

In this embodiment, the material of the inner surface of the pressing plate 42 is the same as the material of the elastic pad 41, and the elastic pad 41 is made of rubber.

The utility model discloses a shock pad is at absorbing in-process, the gasbag through the elasticity of bullet pad and shock attenuation intracavity portion carries out the shock attenuation to the miaow core, the shock attenuation effect is obvious, (the absorbing process does, miaow core oppression clamp plate removes in the looks outside, clamp plate oppression gasbag inflation realizes the shock attenuation for the first time, the lateral surface butt that the gasbag reached limit or clamp plate plays the pad and begins to absorb kinetic energy behind the medial surface of bullet pad, realize the shock attenuation for the second time) and because the volume after the gasbag aerifys can reduce the range of miaow core vibrations and reduce the time of the vibrations of miaow core for 50% -95% of shock attenuation chamber volume.

Based on the embodiments of the present invention, any modifications, equivalent replacements, improvements, etc. made by other embodiments obtained by a person of ordinary skill in the art without creative efforts shall be included in the protection scope of the present invention.

Claims

1. The utility model provides a microphone miaow core of preventing whistling takes precautions against earthquakes, includes miaow core joint, mount pad, miaow core fixed connection is fixed connection in miaow core connects its characterized in that after on the mount pad top surface: fixedly connected with shock pad on the periphery of miaow core, the outside laminating of shock pad is on the inner wall that miaow core connects, the internal surface laminating of shock pad is on the surface of miaow core.

2. The microphone core of claim 1, wherein: the microphone core joint is of a hollow cylindrical structure.

3. The microphone core of claim 2, wherein: the shock pad includes clamp plate and bullet pad, the bullet pad is the loop configuration, the clamp plate sets up the inboard at the bullet pad, the internal surface of clamp plate is circular-arcly, the internal surface laminating of clamp plate is on the surface of miaow core, the surface laminating of bullet pad is on the internal surface that miaow core connects.

4. A shakeproof anti-howl microphone core as claimed in claim 3, wherein: the inner surface of the elastic pad is provided with a communicating hole, the outer side surface of the pressing plate is fixedly connected or integrally formed with a connecting rod, and the connecting rod is inserted into the communicating hole.

5. The shockproof anti-howl microphone core of claim 4, wherein: the shock absorption device is characterized in that a shock absorption cavity is formed in the elastic pad, an air bag is sleeved in the shock absorption cavity, the shock absorption cavity is communicated with the communicating hole, and one side, far away from the pressing plate, of the connecting rod abuts against the surface of the air bag.

6. The shockproof anti-howl microphone core of claim 5, wherein: the volume of the inflated air bag is 50-95% of the volume of the damping cavity.

7. The shockproof anti-howl microphone core of claim 6, wherein: a gap exists between the inner surface of the elastic pad and the outer surface of the pressing plate.