CN217904600U - High-temperature-resistant electret condenser microphone - Google Patents

Abstract

The utility model provides a high temperature resistance electret condenser microphone relates to microphone technical field. This high temperature resistance electret condenser microphone, including support and microphone adapter sleeve, microphone adapter sleeve one end fixedly connected with thread bush, thread bush one end fixedly connected with microphone body, microphone body outside cover is equipped with the sponge cover, the fixed cover of sponge cover one end fixedly connected with, thread bush outside fixedly connected with joint cover, joint cover inside is provided with a plurality of calories of balls, a plurality of draw-in grooves have been seted up to fixed cover inside, a plurality of locating levers of fixedly connected with of joint cover inside. This high temperature resistance electret condenser microphone is favorable to fixing fixed cover and sponge cover, prevents that the sponge cover from droing, also can install fast and dismantle the sponge cover, is favorable to changing the washing to the sponge cover, convenient to use.

Description

High-temperature-resistant electret condenser microphone

Technical Field

The utility model relates to a microphone specifically is high temperature resistance electret condenser microphone belongs to microphone technical field.

Background

The electret microphone has the characteristics of small volume, simple structure, good electroacoustic performance and low price, and is widely used in circuits such as a cassette recorder, a wireless microphone, a voice control circuit and the like. Belonging to the most commonly used condenser microphones. Since the input and output impedances are high, a field effect transistor is provided as an impedance converter in the housing of such a microphone, for which purpose the electret condenser microphone requires a dc operating voltage during operation.

The sponge that the cover was established on the microphone is used for filtering the noise and prevents that intraoral secretion from splashing on the microphone, keeps the health, and when vocal cords vibrations sent voiced sound or low frequency sound wave, the sponge can play obvious effect of making an uproar of falling. The premise of good noise reduction effect is that the wrapping is uniform, the effect is obvious only when the thickness is equivalent, and sound absorption and noise reduction are common methods for controlling the noise intensity in a transmission way. The sound absorption of objects is ubiquitous, and the effect of sound absorption is not only related to the sound absorbing material, but also to the sound absorbing structure selected. Microphone sponge cover's characteristics: sanitary and aseptic, health protection, good air permeability, good sound quality, beautiful appearance, easy use, fine and soft, comfortable and elegant.

Most sponge cover are that the sponge that directly uses the throat design directly overlaps in the microphone outside or the snap-on is in the microphone outside when using, but long-time the back of using, or the hand contacts the sponge cover carelessly, and the mode that directly the cover was established can make the sponge cover pine take off, leads to unable playing to fall to make an uproar and keep sanitary characteristics, and fixed connection's sponge cover is difficult to clear up it when using, is not convenient for use.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model aims at providing a high temperature resistance electret condenser microphone just in order to solve above-mentioned problem, with solve among the prior art most of sponge cover be the sponge direct cover that directly uses the throat design when using in the microphone outside or the snap-on in the microphone outside, but use the back for a long time, or the hand contacts the sponge cover carelessly, the mode of directly establishing can make the sponge cover pine take off, lead to unable playing to fall to make an uproar and keep sanitary characteristics, fixed connection's sponge cover is when using, be difficult to clear up it, the problem of not being convenient for to use.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: high temperature resistance electret condenser microphone, including support and microphone adapter sleeve, microphone adapter sleeve one end fixedly connected with thread bush, thread bush one end fixedly connected with microphone body, microphone body outside cover is equipped with the sponge cover, the fixed cover of sponge cover one end fixedly connected with, the fixedly connected with joint cover in the thread bush outside, the inside a plurality of calorie balls that are provided with of joint cover, fixed cover is inside has seted up a plurality of draw-in grooves, and is a plurality of the calorie ball respectively with a plurality of draw-in groove looks adaptations, the inside a plurality of locating levers of fixedly connected with of joint cover, it is a plurality of the card ball overlaps respectively locates in a plurality of locating lever outsides and with a plurality of locating lever sliding connection.

Preferably, the thread bush outside cover is equipped with the holding ring, holding ring and joint cover fixed connection, the thread bush outside cover is equipped with the swivel becket, a plurality of gag lever posts of swivel becket one side fixedly connected with, it is a plurality of the gag lever post all runs through the holding ring and with holding ring sliding connection, is favorable to spacing the swivel becket.

Preferably, one side of the rotating ring is fixedly connected with a plurality of lifting rods, one ends of the plurality of lifting rods are all arranged to be inclined planes, and the plurality of lifting rods correspond to the plurality of clamping balls respectively, so that the lifting rods push the clamping balls to jack outwards.

Preferably, the inside logical groove of having seted up of lifting rod front end, the locating lever is favorable to spacing to the locating lever with leading to groove looks adaptation.

Preferably, the top end of the positioning rod is fixedly connected with a spring, and the top end of the spring is fixedly connected with the clamping ball, so that the clamping ball is limited.

Preferably, the threaded sleeve is connected with a threaded ring in a threaded manner on the outer side, a limiting ring is fixedly connected to one side of the rotating ring and is connected with the threaded ring in a sliding manner, and the anti-slip sleeve is fixedly connected to the outer side of the threaded ring and is convenient to drive the anti-slip sleeve to rotate.

Preferably, the fixed cover outside fixedly connected with decorates the piece, decorate the piece and laminate mutually with the sponge cover, increase pleasing to the eye.

Preferably, the top end of the support is fixedly connected with a first hinged plate, the bottom of the microphone connecting sleeve is fixedly connected with a second hinged plate, the second hinged plate is hinged to the first hinged plate, one end of the microphone connecting sleeve is fixedly connected with a joint, and a plurality of heat dissipation holes are formed in the microphone connecting sleeve, so that heat dissipation is facilitated.

The utility model provides a high temperature resistance electret condenser microphone, its beneficial effect who possesses as follows:

1. this high temperature resistant electret condenser microphone, through locating the microphone body outside fixed cover and sponge cover, and laminate fixed cover and joint cover, rotate anti-skidding cover and drive the screw ring and rotate, the screw ring drives the spacing ring when rotating and removes, the spacing ring drives and rotates to one side removal, a plurality ofly the spacing rod all runs through the holding ring and with holding ring sliding connection, be favorable to spacing the rotating ring, and the spacing ring rotates with the screw ring relatively, make the rotating ring drive a plurality of liftout poles and remove, make a plurality of liftout poles remove to locating lever one side, the logical groove has been seted up to the liftout pole front end, make the locating lever be located logical inslot, the liftout pole promotes the card ball and removes to the outside when removing, make card ball and the inside draw-in groove of fixed cover carry out the joint, thereby spacing fixed cover carries out, improve stability, be favorable to fixing fixed cover and sponge cover, prevent that the sponge cover from droing, also can carry out quick installation and dismantlement to the sponge cover, be favorable to changing the sponge cover and wash, convenient to use.

2. This high temperature resistance electret condenser microphone, fixed cover outside fixedly connected with decorates the piece, decorate the piece and laminate mutually with the sponge cover, increase pleasing to the eye, a plurality of louvres have been seted up to microphone adapter sleeve inside, the heat dissipation of being convenient for.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a side sectional view of the present invention;

FIG. 3 is an enlarged view of the portion A of FIG. 2 according to the present invention;

fig. 4 is a schematic structural view of the clamping sleeve of the present invention.

In the figure: 1. a support; 2. a first hinge plate; 3. a second hinge plate; 4. a microphone connecting sleeve; 5. a threaded sleeve; 6. a microphone body; 7. a sponge sleeve; 8. fixing a sleeve; 9. a clamping sleeve; 10. positioning a rod; 11. a spring; 12. blocking the ball; 13. a positioning ring; 14. a threaded ring; 15. a rotating ring; 16. a limiting ring; 17. a limiting rod; 18. a jacking rod; 19. an anti-slip sleeve; 20. a decorative sheet; 22. and (4) a joint.

Detailed Description

The embodiment of the utility model provides a high temperature resistance electret condenser microphone.

Referring to fig. 1, 2, 3 and 4, the microphone device comprises a support 1 and a microphone connecting sleeve 4, a first hinged plate 2 is fixedly connected to the top end of the support 1, a second hinged plate 3 is fixedly connected to the bottom of the microphone connecting sleeve 4, the second hinged plate 3 is hinged to the first hinged plate 2, a joint 22 is fixedly connected to one end of the microphone connecting sleeve 4, a plurality of heat dissipation holes are formed in the microphone connecting sleeve 4 for facilitating heat dissipation, a threaded sleeve 5 is fixedly connected to one end of the microphone connecting sleeve 4, a microphone body 6 is fixedly connected to one end of the threaded sleeve 5, a sponge sleeve 7 is sleeved on the outer side of the microphone body 6, a fixing sleeve 8 is fixedly connected to one end of the sponge sleeve 7, a clamping sleeve 9 is fixedly connected to the outer side of the threaded sleeve 5, a plurality of clamping balls 12 are arranged in the clamping sleeve 9, a plurality of clamping grooves 12 are formed in the fixing sleeve 8, the clamping balls 12 are respectively matched with the clamping grooves, a plurality of positioning rods 10 are fixedly connected to the clamping sleeve 9, a plurality of positioning rods 12 are respectively sleeved on the outer side of the positioning rods 10 and are connected to the positioning rings 10 in a sliding manner, a plurality of positioning ring fixing grooves 13, a plurality of positioning ring fixing ring 15, a plurality of positioning ring 17 is arranged on one side of the positioning ring, a positioning ring 10, a plurality of positioning ring 17, a positioning ring 17 is connected to a plurality of a positioning ring 17, a plurality of positioning ring 17 corresponding to a positioning ring 17, 11 tops of spring and card ball 12 fixed connection is favorable to spacing card ball 12, and 5 outside threaded connection of thread bush have screw ring 14, 15 one side fixedly connected with spacing rings 16 of rotating ring, spacing rings 16 and 14 sliding connection of screw ring, 14 outside fixedly connected with antiskid cover 19 of screw ring, are convenient for drive antiskid cover 19 and rotate, and 8 outside fixedly connected with decorative sheet 20 of fixed cover, decorative sheet 20 and sponge cover 7 are laminated mutually, increase beautifully.

Specifically, the microphone body 6 is sleeved with the fixing sleeve 8 and the sponge sleeve 7, the fixing sleeve 8 is attached to the clamping sleeve 9, the anti-slip sleeve 19 is rotated to drive the threaded ring 14 to rotate, the threaded ring 14 is rotated to drive the limiting ring 16 to move, the limiting ring 16 drives the rotating ring 15 to move towards one side, the limiting rods 17 penetrate through the positioning ring 13 and are in sliding connection with the positioning ring 13, and the limiting ring 15 is limited, the limiting ring 16 and the threaded ring 14 rotate relatively, the rotating ring 15 drives the jacking rods 18 to move, the jacking rods 18 move to one side of the positioning rod 10, a through groove is formed in the front end of the jacking rod 18, the positioning rod 10 is located in the through groove, the jacking rod 18 pushes the clamping ball 12 to move towards the outside when moving, the clamping ball 12 is clamped with a clamping groove in the fixing sleeve 8, stability is improved, the fixing sleeve 8 and the sponge sleeve 7 are fixed, the sponge sleeve 7 is prevented from falling off, the sponge sleeve 7 can be rapidly installed and disassembled, replacement and cleaning of the sponge sleeve 7 are facilitated, and use of the sponge sleeve is facilitated.

The fixed cover 8 outside fixedly connected with decorates piece 20, decorates piece 20 and the laminating of sponge cover 7 mutually, increases pleasing to the eye, and microphone adapter sleeve 4 is inside to have seted up a plurality of louvres, is convenient for dispel the heat.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (8)

1. High temperature resistance electret condenser microphone, including support (1) and microphone adapter sleeve (4), its characterized in that: microphone adapter sleeve (4) one end fixedly connected with thread bush (5), thread bush (5) one end fixedly connected with microphone body (6), microphone body (6) outside cover is equipped with sponge cover (7), sponge cover (7) one end fixedly connected with fixed cover (8), thread bush (5) outside fixedly connected with joint cover (9), joint cover (9) inside is provided with a plurality of calorie balls (12), fixed cover (8) inside has seted up a plurality of draw-in grooves, and is a plurality of card ball (12) respectively with a plurality of draw-in groove looks adaptation, a plurality of locating levers (10) of the inside fixedly connected with of joint cover (9), it is a plurality of card ball (12) overlap respectively locate a plurality of locating levers (10) the outside and with a plurality of locating levers (10) sliding connection.

2. The high temperature resistant electret condenser microphone of claim 1 wherein: threaded sleeve (5) outside cover is equipped with holding ring (13), holding ring (13) and joint cover (9) fixed connection, threaded sleeve (5) outside cover is equipped with swivel becket (15), a plurality of gag lever posts (17) of swivel becket (15) one side fixedly connected with, it is a plurality of gag lever post (17) all run through holding ring (13) and with holding ring (13) sliding connection.

3. The high temperature resistant electret condenser microphone of claim 2 wherein: one side of the rotating ring (15) is fixedly connected with a plurality of jacking rods (18), one ends of the jacking rods (18) are all arranged to be inclined planes, and the jacking rods (18) correspond to the clamping balls (12) respectively.

4. The high temperature resistant electret condenser microphone of claim 3 wherein: a through groove is formed in the front end of the jacking rod (18), and the positioning rod (10) is matched with the through groove.

5. The high temperature resistant electret condenser microphone of claim 1 wherein: the top end of the positioning rod (10) is fixedly connected with a spring (11), and the top end of the spring (11) is fixedly connected with a clamping ball (12).

6. The high temperature resistant electret condenser microphone of claim 3 wherein: the anti-skidding thread cutting machine is characterized in that a thread ring (14) is in threaded connection with the outer side of the thread sleeve (5), a limiting ring (16) is fixedly connected to one side of the rotating ring (15), the limiting ring (16) is in sliding connection with the thread ring (14), and an anti-skidding sleeve (19) is fixedly connected to the outer side of the thread ring (14).

7. The high temperature resistant electret condenser microphone of claim 1 wherein: the outer side of the fixed sleeve (8) is fixedly connected with a decorative sheet (20), and the decorative sheet (20) is attached to the sponge sleeve (7).

8. The high temperature resistant electret condenser microphone of claim 1 wherein: support (1) top fixedly connected with first articulated slab (2), microphone adapter sleeve (4) bottom fixedly connected with second articulated slab (3), second articulated slab (3) are articulated with first articulated slab (2), microphone adapter sleeve (4) one end fixedly connected with connects (22), a plurality of louvres have been seted up to microphone adapter sleeve (4) inside.

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