CN213586231U

CN213586231U - Metal earphone shell

Info

Publication number: CN213586231U
Application number: CN202023234940.7U
Authority: CN
Inventors: 杨相煌; 覃日勇
Original assignee: Huizhou Changlin Electronic Technology Co ltd
Current assignee: Huizhou Changlin Electronic Technology Co ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-06-29
Anticipated expiration: 2030-12-29

Abstract

The utility model discloses a metal earphone shell, which belongs to the field of earphones and comprises a first shell, wherein one side of the first shell is provided with a cavity, the inside of the cavity is provided with a clamping structure, one side of the first shell is provided with a second shell, and the inner side wall of the first shell is fixedly connected with a pressing structure; this metal earphone shell, setting through cavity and joint structure, the piece is drawn in outside pulling, draw the piece to drive the stopper through the telescopic link and outwards slide, the stopper drives the dop and outwards removes, and simultaneously, first spring is compelled to compress, insert first casing with one side of second casing, when dop and jack contact, under the answer spring action of first spring, make the stopper remove to the inboard, the plug inserts in the jack, accomplish the installation of first casing and second casing, when internal damage, the piece is drawn in outside pulling, the plug breaks away from the jack, can dismantle first casing and second casing, be convenient for maintain inside.

Description

Metal earphone shell

Technical Field

The utility model belongs to the technical field of the earphone, concretely relates to metal earphone shell.

Background

The earphone is a pair of conversion units which receive the electric signals sent by the media player or receiver and convert the electric signals into audible sound waves by using a loudspeaker close to the ear. The advantage is that the user can listen to the sound independently without influencing other people; can also isolate the sound of the surrounding environment, and is very helpful for people who use in a noisy environment such as a recording studio, a bar, a trip, sports, and the like. However, in the use process of the earphone, grease on the ear easily enters the inside of the earphone to affect the service life, and the earphone is usually an integrated structure, is inconvenient to detach and maintain.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a metal earphone shell to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the metal earphone shell comprises a first shell, a cavity is formed in one side of the first shell, a clamping structure is arranged inside the cavity, a second shell is arranged on one side of the first shell, a pressing structure is fixedly connected to the inner side wall of the first shell, a fixing plate is arranged below the pressing structure, activated carbon is arranged between the pressing structure and the fixing plate, and a mounting structure is arranged on the upper surface of the activated carbon.

As a preferred embodiment, the joint structure includes stopper, dop, telescopic link, draws piece and first spring, the internal surface sliding connection of cavity has the stopper, the lower fixed surface of stopper is connected with the dop, the last fixed surface of stopper is connected with the telescopic link, the upper end fixedly connected with of telescopic link draws the piece, the surface of telescopic link is provided with first spring.

As a preferred embodiment, the pressing structure includes a fixing block, a through hole, a pressing rod, a guide block and a limiting groove, the through hole is formed in the surface of the fixing block, the pressing rod is arranged inside the through hole, the guide blocks are arranged on both sides of the pressing rod, and the limiting groove is formed in the inner side wall of the through hole.

As a preferred embodiment, the mounting structure includes a U-shaped groove, a second spring, a limiting plate and a bump, the inner bottom wall of the U-shaped groove is fixedly connected with the second spring, the upper end of the second spring is fixedly connected with the limiting plate, and the upper surface of the limiting plate is fixedly connected with the bump.

As a preferable embodiment, the surface of the second casing is provided with a jack, one side of the first casing is provided with a plurality of volume holes.

In a preferred embodiment, a protective sponge cushion is arranged on one side of the first shell, and a head band is movably connected to one side of the first shell.

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

1. the metal earphone shell is characterized in that the pull block is pulled outwards through the arrangement of the cavity and the clamping structure, the pull block drives the limiting block to slide outwards through the telescopic rod, the limiting block drives the clamping head to move outwards, meanwhile, the first spring is forced to compress, one side of the second shell is inserted into the first shell, when the clamping head is in contact with the jack, the limiting block is moved inwards under the action of the restoring elasticity of the first spring, the plug is inserted into the jack, the installation of the first shell and the second shell is completed, when the interior is damaged, the pull block is pulled outwards, the plug is separated from the jack, the first shell and the second shell can be disassembled, and the interior can be maintained conveniently;

2. the metal earphone shell is characterized in that through the arrangement of the pressing structure, the fixed plate, the active carbon and the mounting structure, the active carbon adsorbs grease to prevent the grease from corroding the inside of the earphone, the service life of the earphone is prolonged, when the active carbon needs to be replaced after being used for a long time, the first shell and the second shell are disassembled, the pressing rod is pressed downwards, under the guiding action of the guide block and the limiting groove, the pressing rod downwards extrudes the lug, the lug enables the second spring to shrink through the limiting plate, meanwhile, the lug shrinks into the inside of the U-shaped groove, at the moment, the active carbon is pulled outwards to disassemble the lug, when the active carbon is mounted, the lug is pressed downwards, the lug enables the second spring to shrink through the limiting plate, at the moment, the active carbon is clamped between the pressing structure and the fixed plate, when the lug is contacted with the through hole, the lug is clamped into the through hole under the action of the, and finishing the installation of the activated carbon.

Drawings

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

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

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2 according to the present invention;

fig. 4 is an enlarged schematic view of the structure at B in fig. 2 according to the present invention.

In the figure: 1. a first housing; 2. a cavity; 3. a clamping structure; 301. a limiting block; 302. clamping a head; 303. a telescopic rod; 304. pulling the block; 305. a first spring; 4. a second housing; 5. a pressing structure; 501. a fixed block; 502. a through hole; 503. a pressing lever; 504. a guide block; 505. a limiting groove; 6. a fixing plate; 7. activated carbon; 8. a mounting structure; 801. a U-shaped groove; 802. a second spring; 803. a limiting plate; 804. a bump; 9. a jack; 10. a volume hole; 11. a protective sponge cushion; 12. a head band.

Detailed Description

The present invention will be further described with reference to the following examples.

The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention. The condition in the embodiment can be further adjusted according to concrete condition the utility model discloses a it is right under the design prerequisite the utility model discloses a simple improvement of method all belongs to the utility model discloses the scope of claiming.

Referring to fig. 1-4, the present invention provides a metal earphone shell, including a first housing 1, a cavity 2 is formed at one side of the first housing 1, a clamping structure 3 is disposed inside the cavity 2, a second housing 4 is disposed at one side of the first housing 1, a pressing structure 5 is fixedly connected to an inner sidewall of the first housing 1, a fixing plate 6 is disposed below the pressing structure 5, an activated carbon 7 is disposed between the pressing structure 5 and the fixing plate 6, an installation structure 8 is disposed on an upper surface of the activated carbon 7, a pulling block 304 is pulled outward by the arrangement of the cavity 2 and the clamping structure 3, the pulling block 304 drives a limiting block 301 to slide outward through a telescopic rod 303, the limiting block 301 drives a clamping head 302 to move outward, meanwhile, a first spring 305 is forced to compress, one side of the second housing 4 is inserted into the first housing 1, when the clamping head 302 contacts with a jack 9, under the elastic force of the first spring 305, the limiting block 301 is moved inwards, the chuck 302 is inserted into the jack 9, the first shell 1 and the second shell 4 are installed, when the inside is damaged, the pulling block 304 is pulled outwards, the chuck 302 is separated from the jack 9, the first shell 1 and the second shell 4 can be detached, the inside can be maintained conveniently, through the arrangement of the pressing structure 5, the fixing plate 6, the activated carbon 7 and the installation structure 8, the activated carbon 7 adsorbs grease, the grease is prevented from corroding the inside of the earphone, the service life of the earphone is prolonged, when the activated carbon 7 needs to be replaced after being used for a long time, the first shell 1 and the second shell 4 are detached, the pressing rod 503 is pressed downwards, the pressing rod 503 downwards presses the convex block 804 under the guiding effect of the guiding block 504 and the limiting groove 505, the convex block 804 enables the second spring 802 to shrink through the limiting plate 803, and meanwhile, the convex block 804 shrinks to the inside of the U-shaped groove 801, the activated carbon 7 can be detached by pulling the activated carbon 7 outwards, the bump 804 is pressed downwards when the activated carbon 7 is installed, the bump 804 enables the second spring 802 to shrink through the limiting plate 803, the activated carbon 7 is clamped between the pressing structure 5 and the fixing plate 6, and when the bump 804 is in contact with the through hole 502, under the action of the restoring elastic force of the second spring 802, the bump 804 is clamped into the through hole 502, and the installation of the activated carbon 7 is completed.

Wherein, the clamping structure 3 comprises a limiting block 301, a clamping head 302, a telescopic rod 303, a pulling block 304 and a first spring 305, the inner surface of the cavity 2 is connected with the limiting block 301 in a sliding manner, the lower surface of the limiting block 301 is fixedly connected with the clamping head 302, the upper surface of the limiting block 301 is fixedly connected with the telescopic rod 303, the upper end of the telescopic rod 303 is fixedly connected with the pulling block 304, the surface of the telescopic rod 303 is provided with the first spring 305, the pulling block 304 is pulled outwards through the arrangement of the clamping structure 3, the pulling block 304 drives the limiting block 301 to slide outwards through the telescopic rod 303, the limiting block 301 drives the clamping head 302 to move outwards, meanwhile, the first spring 305 is forced to compress, one side of the second shell 4 is inserted into the first shell 1, when the clamping head 302 is contacted with the jack 9, under the restoring elastic force of the first spring 305, the limiting block 301 is moved inwards, the clamping head 302 is inserted, when the inside is damaged, pull piece 304 outwards, dop 302 breaks away from jack 9, can dismantle first casing 1 and second casing 4, is convenient for maintain inside.

Wherein, press structure 5 including fixed block 501, through-hole 502, press the depression bar 503, guide block 504 and spacing groove 505, through-hole 502 has been seted up on the surface of fixed block 501, the inside of through-hole 502 is provided with presses the depression bar 503, the both sides of pressing the depression bar 503 all are provided with guide block 504, spacing groove 505 has been seted up to the inside wall of through-hole 502, through the setting of pressing structure 5, when activated carbon 7 needs to be changed for a long time using, dismantle first casing 1 and second casing 4, press down depression bar 503, under the guide effect of guide block 504 and spacing groove 505, press the depression bar 503 to extrude lug 804 downwards, lug 804 makes second spring 802 shrink through limiting plate 803, lug 804 contracts to the inside of U-shaped groove 801 simultaneously, outside pulling activated carbon 7 can dismantle it this moment.

Wherein, mounting structure 8 includes U-shaped groove 801, second spring 802, limiting plate 803 and lug 804, the interior diapire fixedly connected with second spring 802 of U-shaped groove 801, the upper end fixedly connected with limiting plate 803 of second spring 802, the last fixed surface of limiting plate 803 is connected with lug 804, setting through mounting structure 8, press lug 804 downwards, lug 804 makes second spring 802 shrink through limiting plate 803, at this moment, press structure 5 and fixed plate 6 with active carbon 7 card income between, when lug 804 and through-hole 502 contact, under the resilience effect of second spring 802, lug 804 is gone into in the through-hole 502, accomplish the installation of active carbon 7.

Wherein, jack 9 has been seted up on the surface of second casing 4, and volume hole 10 has been seted up to one side of first casing 1, and the quantity of volume hole 10 is a plurality of, through the setting of jack 9, is convenient for first casing 1 and second casing 4's installation and dismantlement.

Wherein, one side of first casing 1 is provided with protection foam-rubber cushion 11, and one side swing joint of first casing 1 has head hoop 12, through the setting of protection foam-rubber cushion 11 and head hoop 12, makes the user wear more comfortablely.

The utility model discloses a theory of operation and use flow: firstly, through the arrangement of the cavity 2 and the clamping structure 3, the pulling block 304 is pulled outwards, the pulling block 304 drives the limiting block 301 to slide outwards through the telescopic rod 303, the limiting block 301 drives the clamping head 302 to move outwards, meanwhile, the first spring 305 is forced to compress, one side of the second shell 4 is inserted into the first shell 1, when the clamping head 302 is contacted with the jack 9, under the action of the restoring elasticity of the first spring 305, the limiting block 301 moves inwards, the clamping head 302 is inserted into the jack 9, the installation of the first shell 1 and the second shell 4 is completed, when the interior is damaged, the pulling block 304 is pulled outwards, the clamping head 302 is separated from the jack 9, the first shell 1 and the second shell 4 can be disassembled, the interior can be maintained conveniently, through the arrangement of the pressing structure 5, the fixing plate 6, the activated carbon 7 and the installation structure 8, the activated carbon 7 adsorbs grease, and the corrosion of the grease to the interior of the earphone is prevented, the service life of the earphone is prolonged, when the activated carbon 7 needs to be replaced after being used for a long time, the first shell 1 and the second shell 4 are detached, the pressing rod 503 is pressed downwards, the pressing rod 503 downwards presses the bump 804 under the guiding action of the guide block 504 and the limiting groove 505, the bump 804 enables the second spring 802 to shrink through the limiting plate 803, meanwhile, the bump 804 shrinks into the U-shaped groove 801, the activated carbon 7 can be detached by pulling outwards at the moment, when the activated carbon 7 is installed, the bump 804 is pressed downwards, the bump 804 enables the second spring 802 to shrink through the limiting plate 803, the activated carbon 7 is clamped between the pressing structure 5 and the fixing plate 6 at the moment, when the bump 804 is in contact with the through hole 502, under the restoring elastic force action of the second spring 802, the bump 804 is clamped into the through hole 502, and the installation of the activated carbon 7 is completed.

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. A metal earphone shell, includes first casing (1), its characterized in that: cavity (2) have been seted up to one side of first casing (1), the inside of cavity (2) is provided with joint structure (3), one side of first casing (1) is provided with second casing (4), inside wall fixedly connected with of first casing (1) presses structure (5), the below of pressing structure (5) is provided with fixed plate (6), it is provided with active carbon (7) to press between structure (5) and fixed plate (6), the upper surface of active carbon (7) is provided with mounting structure (8).

2. The metal earphone shell according to claim 1, wherein: joint structure (3) include stopper (301), dop (302), telescopic link (303), draw piece (304) and first spring (305), the internal surface sliding connection of cavity (2) has stopper (301), the lower fixed surface of stopper (301) is connected with dop (302), the last fixed surface of stopper (301) is connected with telescopic link (303), the upper end fixedly connected with of telescopic link (303) draws piece (304), the surface of telescopic link (303) is provided with first spring (305).

3. The metal earphone shell according to claim 1, wherein: the pressing structure (5) comprises a fixing block (501), a through hole (502), a pressing rod (503), a guide block (504) and a limiting groove (505), wherein the through hole (502) is formed in the surface of the fixing block (501), the pressing rod (503) is arranged in the through hole (502), the guide blocks (504) are arranged on two sides of the pressing rod (503), and the limiting groove (505) is formed in the inner side wall of the through hole (502).

4. The metal earphone shell according to claim 1, wherein: mounting structure (8) include U-shaped groove (801), second spring (802), limiting plate (803) and lug (804), interior diapire fixedly connected with second spring (802) of U-shaped groove (801), the upper end fixedly connected with limiting plate (803) of second spring (802), the last fixed surface of limiting plate (803) is connected with lug (804).

5. The metal earphone shell according to claim 1, wherein: jack (9) have been seted up on the surface of second casing (4), volume hole (10) have been seted up to one side of first casing (1), the quantity of volume hole (10) is a plurality of.

6. The metal earphone shell according to claim 1, wherein: one side of the first shell (1) is provided with a protective sponge cushion (11), and one side of the first shell (1) is movably connected with a head band (12).