CN213485144U

CN213485144U - Bluetooth headset with built-in noise reduction structure

Info

Publication number: CN213485144U
Application number: CN202023034203.2U
Authority: CN
Inventors: 孙锋铭
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-16
Filing date: 2020-12-16
Publication date: 2021-06-18
Anticipated expiration: 2030-12-16

Abstract

The utility model discloses a bluetooth headset of built-in noise reduction structure, including flexible arc, card arc and earphone, the both ends of flexible arc all overlap and are equipped with the card arc, the equal fixed articulated connecting rod in bottom of card arc, and the one end of connecting rod all welds the earphone, the spring of making an uproar falls is evenly installed to the inside one side of earphone, and falls the inside equal sliding connection of earphone of the spring one end of making an uproar and fall the board of making an uproar, fall the inside abatvoix that all installs of earphone on one side of the board of making an uproar, and the inside acoustic celotex board that all installs of earphone on one side of the abatvoix, the inside annular welding of earphone of acoustic celotex board one side has the fixed block, and the inside dust screen that is. The utility model discloses a fall board, abatvoix and acoustic celotex board of making an uproar in the inside setting of earphone for offset, absorb the noise, improve device noise reduction effect, convenient to use person's normal use.

Description

Bluetooth headset with built-in noise reduction structure

Technical Field

The utility model relates to a bluetooth headset technical field specifically is a bluetooth headset of built-in noise reduction structure.

Background

With the development of society, the living standard of residents in China is improved, and people enjoy lives more and more, so that various earphones come out endlessly, wherein the Bluetooth earphones can be widely produced and utilized due to the convenience of not needing earphone wires, but the existing Bluetooth earphones have many problems or defects:

firstly, the traditional Bluetooth headset is not provided with a stable structure when in use, and after the traditional Bluetooth headset is used for a long time, a clamping arc is easy to loosen, so that the traditional Bluetooth headset is inconvenient to wear;

secondly, the traditional Bluetooth headset has no noise reduction structure when in use, and cannot well isolate the influence of external noise;

third, traditional bluetooth headset does not have convenient to detach structure during the use, and the inside dust screen of headset uses for a long time and can be stained with the dust, and is inconvenient clean.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bluetooth headset of built-in noise reduction structure to solve the inconvenient firm problem of wearing, inconvenient falling of making an uproar and inconvenient dismantlement that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a Bluetooth earphone with a built-in noise reduction structure comprises a telescopic arc, a clamping arc and a receiver, wherein the clamping arc is sleeved at both ends of the telescopic arc, the top ends of the clamping arcs close to one side of the limiting structure are respectively provided with a limiting structure, the bottom ends of the clamping arcs are respectively fixedly hinged with a connecting rod, and one end of the connecting rod is welded with a receiver, one side inside the receiver is uniformly provided with a noise reduction spring, and the insides of the receivers at one end of the noise reduction spring are all connected with noise reduction plates in a sliding way, sound absorption plates are all installed inside the receivers at one side of the noise reduction plates, and sound insulation boards are arranged in the earphones at one side of the sound absorption board, fixing blocks are welded in the earphones at one side of the sound insulation boards in an annular mode, and the inside dust screen that is provided with of earphone on one side of the fixed block, the sliding block has all been welded to the top and the bottom of dust screen both sides, and the intermediate position department welding that the fixed block one side was kept away from to the dust screen has the pull rod.

Preferably, limit structure includes spacing hole, stopper, spacing spring, gag lever post and spacing groove, the top in the inside one side of card arc is all seted up to the spacing groove, and the inside gag lever post that all is provided with and extends to the card arc outside of spacing groove, the spacing inslot portion on gag lever post surface all twines there is spacing spring, and the one end of gag lever post all installs the stopper, flexible arc surface top is evenly seted up with the spacing hole of stopper matched with.

Preferably, the flexible pad is installed to one side of card arc, and the vent has evenly been seted up to the inside one side of keeping away from the card arc of flexible pad.

Preferably, the mounting groove has all been seted up to the inside top and the bottom that are close to dust screen one side of earphone, and the inside one end of mounting groove evenly installs the installation spring, the fixture block that extends to the earphone inside is all installed to installation spring one end.

Preferably, a sponge ring is installed on one side, away from the connecting rod, of the earphone, and the coverage area of the sponge ring is larger than that of the cross section of the earphone.

Preferably, arc-shaped bulges are uniformly arranged on one side, close to the sound insulation board, of the sound insulation board, and arc-shaped grooves matched with the arc-shaped bulges are uniformly formed in one side, close to the sound insulation board, of the interior of the sound insulation board.

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

(1) the limiting structure is arranged at the top end of one side in the clamping arc, the limiting block is moved to be completely separated from the limiting hole by pulling the limiting rod, then the clamping arc is pulled, so that the telescopic arc slides in the clamping arc, the distance between the receivers is changed, the device can be suitable for different people, the practicability of the device is improved, the limiting block is moved to be clamped into the limiting hole by utilizing the elasticity of the limiting spring, the telescopic arc and the clamping arc are fixed, the limiting hole and the limiting block are arranged in a clamping mode, the phenomenon that the traditional telescopic arc and the clamping arc are loosened after being used for a long time and the wearing effect is influenced can be avoided, and the normal use of the device is ensured;

(2) the noise reduction plate is arranged inside the receiver, the sound absorption plate and the sound insulation plate are arranged inside the receiver, external noise is transmitted to the inside of the receiver, vibration sense generated by the noise is realized, the noise reduction plate slides to stretch the noise reduction spring, the elastic force of the noise reduction spring is utilized to offset the impact force generated by the noise, the noise is reduced, the later noise is absorbed and reflected by the sound absorption plate and the sound insulation plate, and the arc-shaped bulge and the arc-shaped groove are utilized, so that irregular reflected sound waves can appear when the noise on the surface of the sound insulation plate is reflected, and then the reflected sound waves are mutually interfered, thereby achieving the purpose of attenuating the noise, ensuring that the noise reduction effect of the device is better, and improving the;

(3) the utility model discloses a device for the earphone, including earphone, dust screen, and utilize the tangency of sliding block and fixture block, the dust screen is set up through setting up one side in the earphone is inside, through setting up the dust screen, can avoid impurity such as dust to get into the earphone inside, and then influence the normal work of this device, reduce the life of equipment even, and accessible pulling pull rod, make the dust screen toward the earphone outside removal, and utilize the tangency of sliding block and fixture block, make the fixture block slide compression mounting spring, be convenient for take out the dust screen and wash, avoid the dust screen to be blockked.

Drawings

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

FIG. 2 is a schematic side view of the structure of the present invention;

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

fig. 4 is a side view of the receiver of the present invention;

FIG. 5 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

fig. 6 is an enlarged schematic view of the limiting structure of the present invention.

In the figure: 1. a limiting structure; 101. a limiting hole; 102. a limiting block; 103. a limiting spring; 104. a limiting rod; 105. a limiting groove; 2. a telescopic arc; 3. clamping an arc; 4. a flexible pad; 5. a vent; 6. a connecting rod; 7. a handset; 8. a noise reduction spring; 9. a noise reduction plate; 10. a sponge ring; 11. a dust screen; 12. installing a spring; 13. a slider; 14. a pull rod; 15. a clamping block; 16. mounting grooves; 17. a fixed block; 18. a sound-absorbing panel; 19. an arc-shaped bulge; 20. an arc-shaped groove; 21. an acoustical panel.

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: a Bluetooth headset with a built-in noise reduction structure comprises a telescopic arc 2, a clamping arc 3 and a receiver 7, wherein the clamping arc 3 is sleeved at both ends of the telescopic arc 2;

one side of each clamping arc 3 is provided with a flexible pad 4, and one side of the interior of each flexible pad 4, which is far away from the clamping arc 3, is uniformly provided with ventilation openings 5;

specifically, as shown in fig. 1, 3 and 6, when the structure is used, firstly, the flexible cushion 4 is utilized to reduce the pressure between the device and the head and reduce the oppressive feeling, and the vent 5 is arranged to improve the ventilation between the head of the user and the clamping arc 3 and improve the wearing comfort;

the top ends of the clamping arcs 3 close to one side of the limiting structures 1 are provided with the limiting structures 1;

the limiting structure 1 comprises limiting holes 101, limiting blocks 102, limiting springs 103, limiting rods 104 and limiting grooves 105, the limiting grooves 105 are formed in the top end of one side inside the clamping arc 3, the limiting rods 104 extending to the outside of the clamping arc 3 are arranged inside the limiting grooves 105, the limiting springs 103 are wound inside the limiting grooves 105 on the surface of the limiting rods 104, the limiting blocks 102 are mounted at one ends of the limiting rods 104, and the limiting holes 101 matched with the limiting blocks 102 are uniformly formed in the top end of the surface of the telescopic arc 2;

specifically, as shown in fig. 1 and 6, when the structure is used, firstly, the elastic force of the limiting spring 103 is utilized to enable the limiting block 102 to move and be clamped into the limiting hole 101, so that the telescopic arc 2 and the clamping arc 3 are fixed, and the limiting hole 101 and the limiting block 102 are clamped, so that the phenomenon that the traditional telescopic arc 2 and the clamping arc 3 are loosened due to long-term use and the wearing effect is influenced can be avoided;

the bottom ends of the clamping arcs 3 are fixedly hinged with connecting rods 6, and receivers 7 are welded at one ends of the connecting rods 6;

a sponge ring 10 is arranged on one side of the earphone 7 far away from the connecting rod 6, and the coverage area of the sponge ring 10 is larger than the area of the cross section of the earphone 7;

specifically, as shown in fig. 1, 3 and 4, when the structure is used, firstly, the sponge ring 10 is used to improve the comfort level of the earphone 7 contacting with the ear of the user, and the sponge ring 10 deformed when worn can further improve the sealing performance with the ear of the user, so as to improve the sound insulation effect;

noise reduction springs 8 are uniformly arranged on one side inside the earphones 7, noise reduction plates 9 are connected inside the earphones 7 at one ends of the noise reduction springs 8 in a sliding mode, sound absorption plates 18 are arranged inside the earphones 7 on one sides of the noise reduction plates 9, and sound insulation plates 21 are arranged inside the earphones 7 on one sides of the sound absorption plates 18;

arc-shaped bulges 19 are uniformly arranged on one side, close to the sound insulation board 21, of the sound absorption board 18, and arc-shaped grooves 20 matched with the arc-shaped bulges 19 are uniformly formed in one side, close to the sound absorption board 18, of the interior of the sound insulation board 21;

specifically, as shown in fig. 1 and 5, when the structure is used, firstly, the arc-shaped protrusion 19 and the arc-shaped groove 20 are utilized to enable the noise on the surface of the sound insulation board 21 to generate irregular reflected sound waves during reflection, and then the reflected sound waves are interfered with each other, so that the purpose of attenuating the noise is achieved, and the noise reduction effect of the device is better;

a fixed block 17 is annularly welded in the earphone 7 at one side of the sound insulation board 21, and a dustproof net 11 is arranged in the earphone 7 at one side of the fixed block 17;

mounting grooves 16 are formed in the top end and the bottom end of one side, close to the dust screen 11, of the inner portion of the receiver 7, mounting springs 12 are uniformly mounted at one ends of the inner portions of the mounting grooves 16, and clamping blocks 15 extending into the receiver 7 are mounted at one ends of the mounting springs 12;

specifically, as shown in fig. 1, 4 and 5, when the structure is used, firstly, the pull rod 14 is pulled to move the dust screen 11 to the outside of the receiver 7, and the fixture block 15 slides inside the installation groove 16 to compress the installation spring 12 by utilizing the tangency of the sliding block 13 and the fixture block 15, so that the dust screen 11 is conveniently taken out and cleaned, and the dust screen 11 is prevented from being blocked by impurities;

sliding blocks 13 are welded at the top end and the bottom end of two sides of the dust screen 11, and a pull rod 14 is welded at the middle position of one side, far away from the fixed block 17, of the dust screen 11.

The working principle is as follows: when the device is used, the limiting rod 104 is pulled firstly, the limiting block 102 moves to compress the limiting spring 103 until the limiting spring is completely separated from the limiting hole 101, then the clamping arc 3 is pulled, the telescopic arc 2 slides in the clamping arc 3, the distance between the earphones 7 is changed, the device can be suitable for different people, the limiting block 102 is moved to be clamped in the limiting hole 101 by utilizing the elasticity of the limiting spring 103, the telescopic arc 2 and the clamping arc 3 are fixed, the limiting hole 101 and the limiting block 102 are clamped, and the phenomenon that the traditional telescopic arc 2 and the clamping arc 3 are loosened due to long-time use and the wearing effect is affected can be avoided;

then, a user wears the device on the head, the pressure between the device and the head can be reduced by utilizing the flexible cushion 4, the oppressive feeling is reduced, and the ventilation between the head of the user and the clamping arc 3 can be improved by arranging the ventilation opening 5, so that the wearing comfort is improved;

when a user normally uses the device, external noise is transmitted to the inside of the receiver 7, the noise generates vibration sense, the noise reduction plate 9 slides in the receiver 7 to stretch the noise reduction spring 8, the elastic force of the noise reduction spring 8 is utilized to offset the impact force generated by the noise, the noise is reduced, the later noise is absorbed and reflected by the sound absorption plate 18 and the sound insulation plate 21, and the arc-shaped bulge 19 and the arc-shaped groove 20 are utilized to enable sound waves to mutually interfere, so that the purpose of reducing the noise is achieved;

simultaneously through setting up dust screen 11, can avoid impurity such as dust to get into inside earphone 7, and then influence the normal work of this device, and accessible pulling pull rod 14, make dust screen 11 move toward earphone 7 outside, and utilize sliding block 13 and fixture block 15's tangency, make fixture block 15 at the inside sliding compression installation spring 12 of mounting groove 16, be convenient for take out dust screen 11 and wash, avoid dust screen 11 to be blockked up by impurity, and during the installation, dust screen 11 arranges the inside back of earphone 7 in, utilize installation spring 12's elasticity, make fixture block 15 resume the normal position, and then play certain supporting limiting displacement to dust screen 11, avoid dust screen 11 to rock at will.

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

1. The utility model provides a bluetooth headset of built-in noise reduction structure, includes flexible arc (2), card arc (3) and earphone (7), its characterized in that: the telescopic arc-shaped loudspeaker is characterized in that clamping arcs (3) are sleeved at two ends of each telescopic arc (2), the top ends, close to one side of the limiting structures (1), of the clamping arcs (3) are provided with the limiting structures (1), the bottom ends of the clamping arcs (3) are fixedly hinged with connecting rods (6), earphones (7) are welded at one ends of the connecting rods (6), noise reduction springs (8) are uniformly installed at one sides of the insides of the earphones (7), noise reduction plates (9) are connected inside the earphones (7) at one ends of the noise reduction springs (8) in a sliding mode, sound absorption plates (18) are installed inside the earphones (7) at one sides of the noise reduction plates (9), sound insulation plates (21) are installed inside the earphones (7) at one sides of the sound insulation plates (18), fixed blocks (17) are welded inside the earphones (7) at one sides of the sound insulation plates (21) in an annular mode, and dustproof nets (11, sliding blocks (13) are welded to the top end and the bottom end of the two sides of the dustproof net (11), and a pull rod (14) is welded to the middle position of one side, away from the fixed block (17), of the dustproof net (11).

2. A bluetooth headset with a built-in noise reduction structure according to claim 1, wherein: limiting structure (1) includes spacing hole (101), stopper (102), spacing spring (103), gag lever post (104) and spacing groove (105), spacing groove (105) are all seted up on the top of the inside one side of card arc (3), and inside gag lever post (104) that all is provided with to extend to card arc (3) outside of spacing groove (105), inside all winding of spacing groove (105) on gag lever post (104) surface has spacing spring (103), and stopper (102) are all installed to the one end of gag lever post (104), flexible arc (2) surface top is evenly seted up with stopper (102) matched with spacing hole (101).

3. A bluetooth headset with a built-in noise reduction structure according to claim 1, wherein: flexible pad (4) are all installed to one side of card arc (3), and vent (5) have evenly been seted up to one side of keeping away from card arc (3) inside flexible pad (4).

4. A bluetooth headset with a built-in noise reduction structure according to claim 1, wherein: mounting groove (16) have all been seted up to the inside top and the bottom that are close to dust screen (11) one side of earphone (7), and mounting spring (12) are evenly installed to the inside one end of mounting groove (16), fixture block (15) that extend to earphone (7) inside are all installed to mounting spring (12) one end.

5. A bluetooth headset with a built-in noise reduction structure according to claim 1, wherein: sponge rings (10) are installed on one sides, far away from the connecting rods (6), of the earphones (7), and the coverage area of the sponge rings (10) is larger than the area of the cross section of the earphones (7).

6. A bluetooth headset with a built-in noise reduction structure according to claim 1, wherein: arc-shaped bulges (19) are uniformly arranged on one side, close to the sound insulation board (21), of the sound insulation board (18), and arc-shaped grooves (20) matched with the arc-shaped bulges (19) are uniformly formed in one side, close to the sound insulation board (18), of the sound insulation board (21).