CN218587275U - Low-noise frequency equipment - Google Patents

Abstract

The utility model belongs to the technical field of audio equipment, specifically a low noise frequency equipment, including head hoop, telescopic bracket, ear muff and speaker, telescopic bracket swing joint is at the head hoop tip, ear muff and telescopic bracket tip swing joint speaker inlay establishes at the ear muff inner chamber, the ear muff surface is equipped with the sponge cover, sponge cover surface activity is equipped with the gasbag, the gasbag bottom switch-on is connected with the charging connector, sponge cover inner wall is equipped with the soundproof cotton circle, head hoop surface cover is equipped with the sheath, the sheath both ends flush with head hoop both ends, sponge cover surface encircles and is equipped with the guide way, the gasbag is installed on the fixing base surface; this novel gasbag is aerifing the back inflation, and gasbag and skin laminating department can change according to the shape of laminating department, can make gasbag and skin laminate together fully, can make the ear muff seal the ear in its inner chamber to mutually support with soundproof cotton circle and can promote the noise reduction effect of earphone in the use.

Description

Low-noise frequency equipment

Technical Field

The utility model relates to an audio equipment technical field specifically is a low noise is equipment frequently.

Background

Audio equipment is a general term for audio input and output equipment, and includes many types of products, which can be generally classified into the following types: power amplifier, audio amplifier, multimedia console, digital sound console, audio frequency sampling card, synthesizer, well high frequency audio amplifier, microphone, sound card, earphone etc. in the PC, other peripheral audio equipment: professional microphone sets, earphones, public address systems and the like, and headsets, as the name suggests, are worn on the head and not inserted into the ear canal, and are distinguished from earphones of in-ear type earplugs. It is composed of two parts, signal transmitter and earphone (usually moving coil type) with signal receiving and amplifying device, the transmitter is connected with signal source, and it can also be connected with front stage or earphone amplifier in front of transmitter to improve tone quality and regulate tone color.

Present headphone is when wearing, sponge cover and skin contact on the ear muff, and sponge cover surface can not be in the same place skin fully laminating, leads to in external sound can get into the ear muff from the connecting gap, and the sound insulation of sponge cover is not good to lead to the earphone noise reduction effect when using not good, for solving above-mentioned problem, provide a low noise frequency equipment in this application.

SUMMERY OF THE UTILITY MODEL

Objects of the first utility model

For solving the technical problem that exists among the background art, the utility model provides a low noise is equipment frequently, the gasbag is aerifing the back inflation, and gasbag and skin laminating department can change according to the shape of laminating department, can make gasbag and skin fully laminate together, can make the ear muff seal the ear in its inner chamber to mutually support with the soundproof cotton circle and can promote the noise reduction effect of earphone in the use.

(II) technical scheme

In order to solve the technical problem, the utility model provides a low noise frequently equipment, including head hoop, telescopic bracket, ear muff and speaker, telescopic bracket swing joint is at the head hoop tip, the ear muff inlays with the speaker that telescopic bracket tip activity links to each other and establishes at the ear muff inner chamber, the ear muff surface is equipped with the sponge cover, sponge cover surface activity is equipped with the gasbag, the gasbag bottom switch-on connection has the charging connector, the sponge cover inner wall is equipped with the soundproof cotton circle.

Preferably, the surface of the head band is sleeved with a sheath, and two ends of the sheath are flush with two ends of the head band.

Preferably, the surface of the sponge cover is annularly provided with a guide groove, and the air bag is arranged on the surface of the fixed seat.

Preferably, a guide seat is integrally formed at a position corresponding to the position of the guide groove on the fixed seat, and the guide seat and the guide groove are mutually inserted.

Preferably, a clamping seat is integrally formed at the end part of the guide seat, and the clamping seat is of a triangular structure.

Preferably, the positions of the outer wall surface of the earmuff corresponding to the positions of the guide grooves are provided with clamping grooves, and the clamping grooves are clamped with the clamping seats.

Preferably, the end part of the inflating nozzle is provided with an inflating valve.

The above technical scheme of the utility model following profitable technological effect has:

1. the utility model discloses, the ear muff passes through the gasbag and covers the ear at its inner chamber, and gasbag accessible charging connector aerifys, can seal the charging connector through the inflation valve after aerifing, and the gasbag expands after aerifing, and gasbag and skin laminating department can change according to the shape of laminating department, can make gasbag and skin laminate together fully, can make the ear muff seal the ear in its inner chamber to can promote the noise reduction effect of earphone in the use mutually supporting with the soundproof cotton circle.

2. The utility model discloses, the gasbag is installed on the fixing base surface, and the fixing base passes through the guide holder and pegs graft each other with the guide way, can play the effect of direction to the installation of gasbag through guide holder and guide way mutually supporting, inserts the guide holder in the guide way to the end back, and the cassette of guide holder tip can block in the draw-in groove to can realize the quick installation to the gasbag, with draw-in groove and cassette after-separating, can realize the quick dismantlement to the gasbag, thereby realize the quick replacement to the gasbag.

Drawings

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

fig. 2 is a schematic sectional structure of the present invention;

FIG. 3 is a schematic view of an exploded structure of the earmuffs of the present invention;

fig. 4 is a schematic view of the airbag decomposition structure of the present invention.

Reference numerals:

1. a head band; 2. a sheath; 3. a telescopic bracket; 4. ear muffs; 5. a speaker; 6. a sponge cover; 7. a guide groove; 8. a card slot; 9. an air bag; 10. a fixed seat; 11. a guide seat; 12. a card holder; 13. an air charging nozzle; 14. an inflation valve; 15. the soundproof cotton ring.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended for purposes of illustration only and is not intended to limit the scope of the present disclosure. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1-4, the utility model provides a low noise is equipment frequently, including head hoop 1, telescopic bracket 3, ear muff 4 and speaker 5, telescopic bracket 3 swing joint is at head hoop 1 tip, ear muff 4 inlays and establishes at ear muff 4 inner chambers with 3 tip swing joint speakers 5 of telescopic bracket, ear muff 4 surfaces are equipped with sponge cover 6, sponge cover 6 surface activity is equipped with gasbag 9, the conduction connection has charging connector 13 bottom the gasbag 9, 6 inner walls of sponge cover are equipped with soundproof cotton circle 15.

It should be noted that, the ear muff 4 covers the ear in its inner chamber through the gasbag 9, gasbag 9 accessible charging connector 13 is aerifyd, can seal charging connector 13 through charging valve 14 after aerifing, gasbag 9 expands after aerifing, gasbag 9 can change according to the shape of laminating department with skin laminating department, can make gasbag 9 and skin laminate together fully, can make the ear muff 4 seal the ear in its inner chamber, and can promote the noise reduction effect of earphone in the use with the mutual cooperation of soundproof cotton circle 15.

As shown in fig. 1, a sheath 2 is sleeved on the surface of the head band 1, and two ends of the sheath 2 are flush with two ends of the head band 1.

It should be noted that, after the earphone is worn, the surface of the head band 1 contacts with the top of the head through the sheath 2, so as to reduce the friction between the top of the head and the head band 1 and improve the wearing comfort.

As shown in fig. 3 and 4, the surface of the sponge cover 6 is annularly provided with a guide groove 7, the air bag 9 is installed on the surface of the fixing seat 10, the fixing seat 10 and the corresponding position of the guide groove 7 are integrally formed to have a guide seat 11, the guide seat 11 and the guide groove 7 are mutually inserted, the end of the guide seat 11 is integrally formed to have a clamping seat 12, the clamping seat 12 is in a triangular structure, the corresponding position of the outer wall surface of the earmuff 4 and the position of the guide groove 7 is provided with a clamping groove 8, and the clamping groove 8 is clamped with the clamping seat 12.

It should be noted that, gasbag 9 is installed on fixing base 10 surface, fixing base 10 pegs graft each other with guide way 7 through guide way 11, can play the effect of direction to the installation of gasbag 9 through guide way 11 and guide way 7 mutually support, with guide way 11 after the bottom is inserted in guide way 7, the cassette 12 of guide way 11 tip can block in draw-in groove 8, thereby can realize the quick installation to gasbag 9, with draw-in groove 8 and cassette 12 after-separating, can realize the quick dismantlement to gasbag 9, thereby realize the quick replacement to gasbag 9.

As shown in fig. 1, an inflation valve 14 is arranged at the end of the inflation nozzle 13.

It should be noted that the inflation nozzle 13 can be closed by the inflation valve 14.

The utility model discloses a theory of operation and use flow: can prolong head hoop 1 through telescopic bracket 3, thereby can adjust the opening size of earphone, wear the back to the earphone, head hoop 1 surface contacts through sheath 2 and top of the head, with reduce the friction between top of the head and the head hoop 1, wear the back, ear muff 4 covers the ear at its inner chamber through gasbag 9, gasbag 9 accessible charging connector 13 inflates, can seal charging connector 13 through charging valve 14 after inflating, gasbag 9 expands after inflating, gasbag 9 can change according to the shape of laminating department with skin laminating department, can make gasbag 9 and skin fully laminate together, can make ear muff 4 seal the ear at its inner chamber, and can promote the noise reduction effect of earphone in the use with cotton circle 15 mutually supporting of giving sound insulation, gasbag 9 installs on the fixing base 10 surface, fixing base 10 can play the effect of direction to the installation of gasbag 9 through guide base 11 and guide way 7 mutually supporting, insert the back in guide way 11 in guide way 7, the cassette 12 of guide base 11 tip card can realize quick replacement to gasbag card seat 9, thereby can realize quick installation of gasbag 9 and quick installation to the quick replacement of gasbag card groove 9, thereby quick installation of gasbag 9 can realize quick installation.

It should be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims (7)

1. The utility model provides a low noise is equipment frequently, includes head hoop (1), telescopic bracket (3), ear muff (4) and speaker (5), telescopic bracket (3) swing joint is at head hoop (1) tip, ear muff (4) link to each other speaker (5) with telescopic bracket (3) tip activity inlays and establishes at ear muff (4) inner chamber, its characterized in that, ear muff (4) surface is equipped with sponge cover (6), sponge cover (6) surface activity is equipped with gasbag (9), gasbag (9) bottom turn-on connection has charging connector (13), sponge cover (6) inner wall is equipped with soundproof cotton circle (15).

2. A low noise frequency device according to claim 1, wherein the surface of the head band (1) is sleeved with a sheath (2), and both ends of the sheath (2) are flush with both ends of the head band (1).

3. A low noise frequency device according to claim 1, wherein the sponge cover (6) is provided with a guide groove (7) on the surface, and the air bag (9) is mounted on the surface of the fixed seat (10).

4. A low noise frequency device according to claim 3, wherein the guide seat (11) is integrally formed at the position of the fixed seat (10) corresponding to the position of the guide groove (7), and the guide seat (11) and the guide groove (7) are inserted into each other.

5. A low noise frequency device according to claim 4, wherein the end of the guide base (11) is integrally formed with a clamping base (12), and the clamping base (12) is in a triangular structure.

6. A low noise frequency device according to claim 5, wherein the outer wall surface of the ear cover (4) is provided with a clamping groove (8) at a position corresponding to the position of the guide groove (7), and the clamping groove (8) is clamped with the clamping seat (12).

7. A low noise frequency device according to claim 1, wherein an inflation valve (14) is provided at the end of the inflation nozzle (13).

Images