CN218734834U

CN218734834U - Noise reduction earphone

Info

Publication number: CN218734834U
Application number: CN202222061107.XU
Authority: CN
Inventors: 宋东帅; 杨宝杰; 张久帅
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-08-07
Filing date: 2022-08-07
Publication date: 2023-03-24
Anticipated expiration: 2032-08-07

Abstract

The application relates to the technical field of noise reduction of earphones, in particular to a noise reduction earphone. The utility model provides a headset, which comprises an outer shell, one side fixedly connected with earphone body of shell, the shell looks joint has the foam-rubber cushion, the last fixed surface of shell is connected with the connecting block, the last fixed surface of connecting block is connected with the head hoop, one side that the foam-rubber cushion is close to the shell is equipped with the joint structure, the joint structure includes two fixture blocks, two fixture blocks and foam-rubber cushion fixed connection, two draw-in grooves have been seted up to one side that the shell is close to the foam-rubber cushion, draw-in groove and fixture block looks joint, one side that the foam-rubber cushion is close to the shell is equipped with the fixed plate, one side fixedly connected with limiting plate that the fixed plate is close to the shell, the inner wall of limiting plate rotates and is connected with the pivot, the arc surface fixedly connected with gyro wheel of pivot, one side sliding connection that the foam-rubber cushion is close to the shell has the slide bar pole. The problem of when dismantling the foam-rubber cushion can be difficult to pack the foam-rubber cushion back is solved.

Description

Noise reduction earphone

Technical Field

The application relates to the technical field of noise reduction of earphones, in particular to a noise reduction earphone.

Background

The noise reduction earphone is composed of a shell, a spongy cushion, a connecting block, a head band and an earphone body, and is used for reducing noise when maintaining airport field staff and is common in daily life.

The noise reduction earphone in the prior art can cause the spongy cushion to produce dirt after being used for a long time, but the spongy cushion is difficult to clean after producing the dirt.

In order to solve the problem that the spongy cushion is difficult to clean after generating dirt, the prior art adopts the mode of dismantling to go on cleaning to the spongy cushion to handle, but has the condition that is difficult to pack back the spongy cushion when dismantling the spongy cushion and appear, and then leads to the operation of clearance spongy cushion to become comparatively loaded down with trivial details, reduces the problem appearance to the spongy cushion cleaning efficiency.

SUMMERY OF THE UTILITY MODEL

The purpose of this application is in order to solve to have among the prior art to dismantle the shortcoming of foam-rubber cushion clearance, and the earphone of making an uproar falls that proposes.

In order to achieve the purpose, the following technical scheme is adopted in the application: the earphone comprises a housing, one side fixedly connected with earphone body of shell, the shell looks joint has the foam-rubber cushion, the last fixed surface of shell is connected with the connecting block, the last fixed surface of connecting block is connected with the head hoop, one side that the foam-rubber cushion is close to the shell is equipped with the joint structure, the joint structure includes two fixture blocks, two fixture block and foam-rubber cushion fixed connection, two draw-in grooves have been seted up to one side that the shell is close to the foam-rubber cushion, draw-in groove and fixture block looks joint, one side that the foam-rubber cushion is close to the shell is equipped with the fixed plate, one side fixedly connected with limiting plate that the fixed plate is close to the shell, the inner wall of limiting plate rotates and is connected with the pivot, the arc surface fixedly connected with gyro wheel of pivot.

The effect that above-mentioned part reaches is: when the foam-rubber cushion of earphone is cleared up to needs, rotate the foam-rubber cushion and rotate, make the fixture block aim at the draw-in groove and lift off, after the clearance finishes, aim at the draw-in groove to the fixture block and carry out the joint, then rotate, the gyro wheel rotates in one side of shell.

Preferably, one side of the spongy cushion close to the shell is connected with a sliding rod in a sliding mode, and the sliding rod is fixedly connected with the fixing plate.

The effect that above-mentioned part reaches is: when dismantling or installing, the slide bar slides at the inner wall of foam-rubber cushion, fixes and spacing the gyro wheel.

Preferably, the arc surface of the sliding rod is sleeved with a spring, and two ends of the spring are respectively fixedly connected with the spongy cushion and the fixed plate.

The effect that above-mentioned part reaches is: when the installation, the slide bar slides to drive the spring to extrude, so that the spring can be clamped more closely, and when the disassembly is carried out, the spring is stretched to facilitate the disassembly.

Preferably, one side of the clamping block, which is close to the spongy cushion, is fixedly connected with a rubber pad, and the section of the rubber pad is rectangular.

The effect that above-mentioned part reaches is: when the clamping is carried out, the rubber pad can increase the friction force to enable the clamping to be more fixed, and the abrasion between the clamping block and the clamping groove can be reduced.

Preferably, the upper surface of head hoop is equipped with auxiliary structure, auxiliary structure includes flexible post, flexible post and head hoop fixed connection, the last fixed surface of head hoop is connected with the baffle, the inner wall of baffle rotates and is connected with the screw thread ring, opposite thread groove has been seted up to the inner wall of screw thread ring, the inner wall threaded connection of screw thread ring has the screw rod.

The effect that above-mentioned part reaches is: when needs adjust the head hoop, rotate the screw thread ring, make the screw rod follow the screw thread ring and move, drive flexible post and move, make it adjust.

Preferably, the arc surface of the threaded ring is fixedly connected with a rotating ring, and the cross section of the rotating ring is circular.

The effect that above-mentioned part reaches does: when the head band needs to be adjusted, the rotating ring can be directly rotated to enable the head band to be adjusted, and the adjustment of the head band is more convenient.

Preferably, the arc surface of the rotating ring is provided with a plurality of anti-slip grains, and the anti-slip grains are uniformly distributed on the rotating ring.

The effect that above-mentioned part reaches is: the anti-slip lines can increase the friction force between the hand and the rotating ring, and the rotating ring can be rotated more conveniently.

To sum up, the beneficial effect of this application is:

in this application, when the clearance is dismantled to the foam-rubber cushion to needs, rotate the foam-rubber cushion, make the fixture block slide in the draw-in groove, the rubber pad protects it, the gyro wheel slides in one side of shell, the spring is tensile, it makes it drop more fast to drive the slide bar to slide in the foam-rubber cushion, when installing once more, press the fixture block alignment draw-in groove, make the picture slide in the foam-rubber cushion, it contracts to drive the spring, then rotate the foam-rubber cushion, make the gyro wheel slide, through setting up the joint structure, reached and let the foam-rubber cushion conveniently dismantle the effect of clearance more.

When the head hoop needs to be adjusted, the threaded ring on the rotating ring is rotated to be in contact with the hand, so that friction force is increased, the rotating ring drives the threaded ring to rotate, the threads on the inner wall of the threaded ring are opposite to each other, the screw rod is driven to contract towards the inside, the screw rod rotates on the inner wall of the telescopic column to drive the telescopic column to stretch or contract, and therefore the effect of adjusting the head hoop is achieved. Normal write is created, and the section is deleted before the write is handed over

Drawings

FIG. 1 is a schematic perspective view of the present application;

FIG. 2 is a schematic view of a clamping structure of the present application;

FIG. 3 is a schematic view of a portion of the structure of FIG. 2;

FIG. 4 is an enlarged view of FIG. 3 at A;

FIG. 5 is an enlarged view of FIG. 3 at B;

fig. 6 is an auxiliary structural diagram of the present application.

Illustration of the drawings: 1. a housing; 2. a sponge cushion; 3. connecting blocks; 4. a head band; 5. an earphone body; 6. a clamping structure; 61. a card slot; 62. a clamping block; 63. a slide bar; 64. a spring; 65. a fixing plate; 66. a limiting plate; 67. a rotating shaft; 68. a roller; 69. a rubber pad; 7. an auxiliary structure; 71. a telescopic column; 72. a screw; 73. rotating the ring; 74. anti-skid lines; 75. a threaded ring; 76. and a baffle plate.

Detailed Description

Referring to fig. 1, the present application provides a technical solution: the utility model provides a noise reduction earphone, includes shell 1, one side fixedly connected with earphone body 5 of shell 1, and shell 1 looks joint has foam-rubber cushion 2, and the last fixed surface of shell 1 is connected with connecting block 3, and the last fixed surface of connecting block 3 is connected with head hoop 4, and one side that foam-rubber cushion 2 is close to shell 1 is equipped with joint structure 6, and the upper surface of head hoop 4 is equipped with auxiliary structure 7.

The specific arrangement and function of the latch structure 6 and the auxiliary structure 7 will be described in detail below.

Referring to fig. 2 to 5, in the present embodiment: the clamping structure 6 comprises two clamping blocks 62, the two clamping blocks 62 are fixedly connected with the sponge cushion 2, one side of the shell 1 close to the sponge cushion 2 is provided with two clamping grooves 61, the clamping grooves 61 are clamped with the clamping blocks 62, one side of the sponge cushion 2 close to the shell 1 is provided with a fixing plate 65, one side of the fixing plate 65 close to the shell 1 is fixedly connected with a limiting plate 66, the inner wall of the limiting plate 66 is rotatably connected with a rotating shaft 67, the arc surface of the rotating shaft 67 is fixedly connected with a roller 68, when the sponge cushion 2 of the earphone needs to be cleaned, the sponge cushion 2 is rotated to enable the clamping blocks 62 to be aligned with the clamping grooves 61 to be dismounted, after the cleaning is finished, the clamping blocks 62 are clamped with the clamping grooves 61 and then rotated, the roller 68 is rotated at one side of the shell 1, one side of the sponge cushion 2 close to the shell 1 is slidably connected with a sliding rod 63, slide bar 63 and fixed plate 65 fixed connection, when dismantling or installing, slide bar 63 slides at the inner wall of foam-rubber cushion 2, fix and spacing gyro wheel 68, slide bar 63's arc surface cover has spring 64, spring 64's both ends respectively with foam-rubber cushion 2 and fixed plate 65 fixed connection, slide bar 63 slides when installing and drives spring 64 and extrude, make its joint that can be inseparabler, spring 64 stretches when dismantling and makes its more convenient dismantlement, one side fixedly connected with rubber pad 69 that fixture block 62 is close to foam-rubber cushion 2, the cross-section of rubber pad 69 is the rectangle, rubber pad 69 can increase frictional force when carrying out the joint and make it more fixed, also can reduce the wearing and tearing of fixture block 62 and draw-in groove 61.

Referring to fig. 6, in the present embodiment: the auxiliary structure 7 comprises a telescopic column 71, the telescopic column 71 is fixedly connected with the head band 4, the upper surface of the head band 4 is fixedly connected with a baffle plate 76, the inner wall of the baffle plate 76 is rotatably connected with a threaded ring 75, the inner wall of the threaded ring 75 is provided with opposite threaded grooves, the inner wall of the threaded ring 75 is in threaded connection with a screw rod 72, when the head band 4 needs to be adjusted, the threaded ring 75 is rotated, the screw rod 72 moves along with the threaded ring 75 to drive the telescopic column 71 to move, the telescopic column 75 is adjusted, the circular arc surface of the threaded ring 75 is fixedly connected with a rotating ring 73, the cross section of the rotating ring 73 is circular, when the head band 4 needs to be adjusted, the rotating ring 73 can be directly rotated to adjust, the adjustment of the head band 4 is facilitated, the circular arc surface of the rotating ring 73 is provided with a plurality of anti-slip stripes 74, the anti-slip stripes 74 are uniformly distributed on the rotating ring 73, the anti-slip stripes 74 can increase the friction force between the hand and the rotating ring 73, and the rotating ring 73 can be more conveniently rotated.

Theory of operation, in the application, when the clearance is dismantled to foam-rubber cushion 2 to needs, rotate foam-rubber cushion 2, make fixture block 62 slide in draw-in groove 61, rubber pad 69 protects it, gyro wheel 68 slides in one side of shell 1, spring 64 stretches, it makes it drop more fast to drive slide bar 63 to slide in foam-rubber cushion 2, when installing once more, aim at draw-in groove 61 to fixture block 62 and press, make the picture slide in foam-rubber cushion 2, it contracts to drive spring 64, then rotate foam-rubber cushion 2, make gyro wheel 68 slide, through setting up joint structure 6, reached and let foam-rubber cushion 2 conveniently dismantle the effect of clearance more.

In this application, when needs are adjusted head hoop 4, rotate screw ring 75 and hand contact increase frictional force on swivel 73, swivel 73 drives screw ring 75 and rotates, and the opposite screw thread of screw ring 75 inner wall drives screw rod 72 and contracts to inside, and screw rod 72 rotates at the inner wall of flexible post 71, drives flexible post 71 and stretches or contracts to the regulatory effect to head hoop 4 has been reached.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified 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 by those of ordinary skill in the art through specific situations.

Claims

1. A noise reducing headphone comprising a housing (1), characterized in that: one side fixedly connected with earphone body (5) of shell (1), shell (1) looks joint has foam-rubber cushion (2), the last fixed surface of shell (1) is connected with connecting block (3), the last fixed surface of connecting block (3) is connected with head hoop (4), one side that foam-rubber cushion (2) are close to shell (1) is equipped with joint structure (6), joint structure (6) include two fixture blocks (62), two fixture block (62) and foam-rubber cushion (2) fixed connection, shell (1) is close to one side of foam-rubber cushion (2) and has seted up two draw-in grooves (61), draw-in groove (61) and fixture block (62) looks joint, one side that foam-rubber cushion (2) are close to shell (1) is equipped with fixed plate (65), one side fixedly connected with limiting plate (66) that shell (1) are close to fixed plate (65), the inner wall rotation of limiting plate (66) is connected with pivot (67), the arc surface fixedly connected with gyro wheel (68) of pivot (67).

2. A noise reducing headphone according to claim 1 wherein: one side of the spongy cushion (2) close to the shell (1) is connected with a sliding rod (63) in a sliding mode, and the sliding rod (63) is fixedly connected with a fixing plate (65).

3. A noise reducing headphone according to claim 2 wherein: the arc surface of the sliding rod (63) is sleeved with a spring (64), and two ends of the spring (64) are fixedly connected with the spongy cushion (2) and the fixing plate (65) respectively.

4. A noise reducing headset according to claim 1, wherein: one side of the clamping block (62) close to the spongy cushion (2) is fixedly connected with a rubber pad (69), and the section of the rubber pad (69) is rectangular.

5. A noise reducing headphone according to claim 1 wherein: the upper surface of head hoop (4) is equipped with auxiliary structure (7), auxiliary structure (7) are including flexible post (71), flexible post (71) and head hoop (4) fixed connection, the last fixed surface of head hoop (4) is connected with baffle (76), the inner wall of baffle (76) is rotated and is connected with threaded ring (75), opposite thread groove has been seted up to the inner wall of threaded ring (75), the inner wall threaded connection of threaded ring (75) has screw rod (72).

6. A noise reducing headphone according to claim 5 wherein: the arc surface of the threaded ring (75) is fixedly connected with a rotating ring (73), and the cross section of the rotating ring (73) is circular.

7. A noise reducing headphone according to claim 6 wherein: a plurality of anti-slip grains (74) are formed in the arc surface of the rotating ring (73), and the anti-slip grains (74) are uniformly distributed on the rotating ring (73).