CN210053538U

CN210053538U - Earphone gasket and dustproof mechanism thereof

Info

Publication number: CN210053538U
Application number: CN201921210463.5U
Authority: CN
Inventors: 林福昌
Original assignee: Guangdong Dewangao Precision Technology Co Ltd
Current assignee: Guangdong Dewangao Precision Technology Co Ltd
Priority date: 2019-07-29
Filing date: 2019-07-29
Publication date: 2020-02-11
Anticipated expiration: 2029-07-29

Abstract

The utility model belongs to the technical field of the earphone accessory, especially, relate to an earphone gasket and dustproof mechanism thereof, this dustproof mechanism include the body, the body is equipped with the first terminal surface and the second terminal surface that are the longitudinal symmetry setting, be provided with on the body and run through the first terminal surface with the opening die cavity of second terminal surface, the cross-sectional structure of opening die cavity is oval structure. The beneficial effects of the utility model reside in that: this earphone gasket is installed in the earphone, and the sound producing unit of earphone is located one side of first terminal surface, its sound of sending passes through the opening die cavity transmits to the outside, and because the opening die cavity is oval shape, compare in ordinary dustproof filtration pore, this opening die cavity has the slot, reduces the probability that the dust got into the opening cavity effectively, and simultaneously, the small part of dust that gets into to the opening cavity inboard also can receive the oval shape inner wall guide of opening cavity and stop in this cavity, and then realizes dustproof effect, improves the life of earphone.

Description

Earphone gasket and dustproof mechanism thereof

Technical Field

The utility model belongs to the technical field of the earphone accessory, especially, relate to an earphone gasket and dustproof mechanism thereof.

Background

Earphones (ears; heads-sets; ears) are a pair of conversion units that receive electrical signals from a media player or receiver and convert them into audible sound waves using speakers near the ears. The headset is typically detachable from the media player and utilizes a plug connection. 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 noisy environment such as a recording studio, a bar, a journey, sports, and the like. The earphone is originally used for telephone and radio, but with the prevalence of portable electronic devices, the earphone is used for mobile phones, walkmans, radios, portable electronic games and digital audio players.

The earphone can be caused to have the filtering holes for sound to penetrate out depending on the shell of the earphone, the traditional mesh cloth covers the outer side of the earphone to play a dustproof effect, but the mesh cloth of the structure is gradually replaced by the built-in earphone dustproof gasket due to the problem that the mesh cloth is easy to drop, most of the filtering holes in the earphone dustproof gasket in the prior art are straight cylindrical, the filtering effect is general, and the filtering hole cannot play a great role in prolonging the service life of the earphone.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an earphone gasket and dustproof mechanism thereof, dustproof mechanism in the earphone gasket that aims at solving among the prior art is dustproof through straight cartridge type filtration pore, leads to dustproof effect general, the unable technical problem who improves of product life.

In order to achieve the above object, the embodiment of the utility model provides a pair of dustproof mechanism is applicable to the earphone gasket, and this dustproof mechanism includes the body, the body is equipped with the first terminal surface and the second terminal surface that are the longitudinal symmetry setting, be provided with on the body and run through the first terminal surface with the opening die cavity of second terminal surface, the cross-sectional structure of opening die cavity is oval structure.

Optionally, the body includes two first pad bodies and two second pad bodies, the two first pad bodies are disposed between the two first pad bodies, the first pad body is provided with a third end surface and a fourth end surface which are arranged in an up-down symmetry manner, the second pad body is provided with a fifth end surface and a sixth end surface which are arranged in an up-down symmetry manner, wherein the fifth end surface and the sixth end surface are respectively connected with the two fourth end surfaces, and the first end surface and the second end surface are respectively formed on the two third end surfaces.

Optionally, the first pad body is provided with a first filter hole penetrating through the third end surface and the fourth end surface, and the first filter hole gradually narrows toward the third end surface so that a cross-sectional structure of the first filter hole is in a trapezoidal structure; the second pad body is provided with second filter holes penetrating through the fifth end face and the sixth end face, the number of the second filter holes and the number of the first filter holes are multiple groups, and the first filter holes are aligned with the second filter holes one by one.

Optionally, the apertures of the first and second filter holes are the same shape for seamless connection.

Optionally, the first filter hole may be in a shape of a truncated pyramid or a truncated cone, and the second filter hole may be in a shape of a corresponding cylinder or a prism.

Optionally, an included angle between the inner wall of the first filter hole and the third end surface is in a range of 65 ° to 70 °.

Optionally, the first cushion body and the second cushion body are both made of sponge materials and integrally formed by cutting through a die cutting machine.

Optionally, the first filter hole and the second filter hole are formed by a CNC lathe, a fine engraving machine or an engraving machine.

The embodiment of the utility model provides an above-mentioned one or more technical scheme of dustproof mechanism has one of following technological effect at least: this earphone gasket is installed in the earphone, and the sound producing unit of earphone is located one side of first terminal surface, its sound of sending passes through the opening die cavity transmits to the outside, and because the opening die cavity is oval shape, compare in ordinary dustproof filtration pore, this opening die cavity has the slot, reduces the probability that the dust got into the opening cavity effectively, and simultaneously, the small part of dust that gets into to the opening cavity inboard also can receive the oval shape inner wall guide of opening cavity and stop in this cavity, and then realizes dustproof effect, improves the life of earphone.

In order to achieve the above object, an embodiment of the present invention provides an earphone pad, including the above dustproof mechanism.

The embodiment of the utility model provides an above-mentioned one or more technical scheme in the earphone gasket have one of following technological effect at least: because this earphone has foretell dustproof mechanism, and this earphone gasket installs in the earphone, the sound producing unit of earphone is located one side of first terminal surface, and the sound that it sent passes through the opening die cavity transmits to the outside, and because the opening die cavity is oval shape, compare in ordinary dustproof filtration pore, this opening die cavity has the slot, reduces the probability that the dust got into the opening cavity effectively, simultaneously, a small part of dust that gets into to the opening cavity inboard also can receive the oval shape inner wall guide of opening cavity and stop in this cavity, and then realizes dustproof effect, improves the life of earphone.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic structural diagram of an earphone pad provided by an embodiment of the present invention.

Fig. 2 is a front view of the earphone pad of fig. 1.

Fig. 3 is a sectional view taken along line a-a in fig. 2.

Fig. 4 is a front view of the earphone pad of fig. 3.

Fig. 5 is an enlarged view of B in fig. 3.

Fig. 6 is an enlarged view of C in fig. 3.

Wherein, in the figures, the respective reference numerals:

10-body 11-first end face 12-second end face

13-open cavity 14-first pad 15-second pad

142-first filtering hole 152-second filtering hole 20-annular frame

21-seventh end face 22-eighth end face 300-sealing mechanism

23-annular shock absorption part 30-annular sealing frame 31-ninth end surface

33-elastic buffer groove 34-abutting part 100-dustproof mechanism

200-damping mechanism 32-tenth end face.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to fig. 1-6 are exemplary and intended to be used to illustrate embodiments of the present invention, and should not be construed as limiting the invention.

In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which is only for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

As shown in fig. 1-6, the embodiment of the present invention provides an earphone gasket, including dustproof mechanism 100, shock-absorbing mechanism 200 and sealing mechanism 300, shock-absorbing mechanism 200 with sealing mechanism 300 all is the annular, shock-absorbing mechanism 200's inward flange with dustproof mechanism 100 connects, shock-absorbing mechanism 200's outward flange with sealing mechanism 300's inward flange is connected.

As shown in fig. 1-2, the dust-proof mechanism 100 includes a body 10, the body 10 is provided with a first end surface 11 and a second end surface 12 which are arranged vertically symmetrically, an opening cavity 13 penetrating through the first end surface 11 and the second end surface 12 is arranged on the body 10, and a cross-sectional structure of the opening cavity 13 is an oval structure; specifically, this earphone gasket is installed in the earphone, and the sound production unit of earphone is located one side of first terminal surface, its sound of sending passes through opening cavity 13 transmits to the outside, and because opening cavity 13 is oval shape, compare in ordinary dustproof filtration pore, this opening cavity 13 has the slot, reduces the probability that the dust got into opening cavity 13 effectively, and simultaneously, the dust that a small part of parts got into to opening cavity 13 inboard also can receive opening cavity 13's oval shape inner wall guide and stay in this cavity, and then realizes dustproof effect, improves the life of earphone.

In another embodiment of the present invention, as shown in fig. 4 to 5, the body 10 includes a first pad body 14 and a second pad body 15, the number of the first pad body 14 is two, the second pad body 15 is located two between the first pad body 14, the first pad body 14 is provided with a third end surface and a fourth end surface which are arranged in an up-down symmetry manner, the second pad body 15 is provided with a fifth end surface and a sixth end surface which are arranged in an up-down symmetry manner, wherein the fifth end surface and the sixth end surface are respectively connected with the fourth end surface, the first end surface 11 and the second end surface 12 are respectively formed on two of the third end surface.

In another embodiment of the present invention, as shown in fig. 4 to 5, the first pad 14 is provided with a first filtering hole 142 penetrating through the third end surface and the fourth end surface, and the first filtering hole 142 gradually narrows toward the third end surface so that the cross-sectional structure of the first filtering hole 142 is a trapezoid structure; the second pad body 15 is provided with second filter holes 152 penetrating through the fifth end surface and the sixth end surface, the number of the second filter holes 152 and the number of the first filter holes 142 are multiple, and the first filter holes 142 and the second filter holes 152 are aligned one by one to form the open cavity 13 when the first pad body 14 and the second pad body 15 are connected; the aperture shapes of the first filter hole 142 and the second filter hole 152 are the same to realize seamless connection; the first filter holes 142 may have a truncated pyramid shape or a truncated cone shape, and the second filter holes 152 may have a corresponding cylindrical shape or a corresponding prismatic shape; the included angle between the inner wall of the first filtering hole 142 and the third end surface is in the range of 65-70 degrees, the first cushion body 14 and the second cushion body 15 are both made of sponge materials and integrally formed by cutting through a die cutting machine, and the first filtering hole 142 and the second filtering hole 152 are formed by processing through a CNC lathe, a carving machine or a carving machine.

In another embodiment of the present invention, as shown in fig. 4 to 5, the damping mechanism 200 includes an annular frame 20, an inner wall of the annular frame 20 is connected to a circumferential edge of the body 10, the annular frame 20 is provided with a seventh end surface 21 and an eighth end surface 22 which are symmetrically arranged up and down, a middle portion of the seventh end surface 21 is recessed toward the eighth end surface 22 and protrudes outside the eighth end surface 22 to form an annular damping portion 23 having a damping buffer groove; specifically, this earphone gasket accomplishes the installation back, the shock attenuation dashpot forms the shock attenuation cavity with the terminal surface that the outside is used for fixing this earphone gasket's support, compares in the earphone gasket among the prior art directly with earphone fixed bolster connection, has the support and can vibrate along with the gasket, influences the earphone and takes place the technical problem of effect, and damper 200 in this earphone gasket can reduce the area of contact of gasket and support, simultaneously, has the air in this shock attenuation cavity, has good shock attenuation to high frequency vibration such as sound vibrations and melts the effect.

In another embodiment of the present invention, the joint between the annular shock absorbing part 23 and the annular frame 20 is designed as a rounded corner so that the annular shock absorbing part 23 can effectively reset when vibrating, thereby improving the structural strength of the shock absorbing mechanism 200 and prolonging the service life of the product; the fillet of the connection between the ring-shaped vibration-damping part 23 and the ring-shaped frame 20 is in the range of 135 ° to 155 °.

In another embodiment of the present invention, the annular frame 20 is made of rubber, and the annular shock absorbing part 23 is formed by plastic sucking molding of the annular frame through a plastic sucking machine.

In another embodiment of the present invention, the cross-section of the ring-shaped shock absorbing part 23 is an arc-shaped structure.

In another embodiment of the present invention, the cross-section of the ring-shaped vibration-damping portion 23 is a "V" shaped structure, and the included angle of the "V" shaped structure is in the range of 60 ° to 70 °.

In another embodiment of the present invention, the cross-section of the ring-shaped vibration damper 23 is Contraband-shaped.

In another embodiment of the present invention, as shown in fig. 4 to 5, the sealing mechanism 300 includes an annular sealing frame 30, the annular sealing frame 30 is provided with a ninth end surface 31 and a tenth end surface 32 which are arranged in an up-down symmetrical manner, the ninth end surface 31 is hollowed out to form an elastic buffer slot 33, and the ninth end surface 31 protrudes outward to form an abutting portion 34 for abutting against an inner wall of the earphone mounting position; the inner side wall of the annular sealing frame 30 is connected with the outer side wall of the annular frame 20, and the joint is designed to be a round angle; specifically, when this earphone gasket is installed, butt portion 34 through elastic buffer slot 33 toward interior side compression with the butt on the inner wall of installation position and all the time application of force and the lateral wall of installation position, compare in the earphone gasket among the prior art and have certain gap after the installation finishes, pile up the dust easily, reduce earphone result of use, shorten earphone life's technical problem, the utility model provides an earphone with this sealing mechanism 300 can realize the seamless installation of earphone gasket, has prevented effectively that the dust from piling up, the life of extension product.

In another embodiment of the present invention, the cross section of the elastic buffer groove 33 is an arc structure.

In another embodiment of the present invention, the cross section of the elastic buffer groove 33 is a "V" shaped structure and the included angle of the "V" shaped structure is in the range of 60 ° to 70 °.

In another embodiment of the present invention, the cross section of the elastic buffer groove 33 is Contraband type structure.

In another embodiment of the present invention, the circumferential edge of the abutting portion 34 is provided with a guiding inclined plane for guiding the abutting portion 34 to bend toward the inner side of the annular sealing frame 30.

In another embodiment of the present invention, the annular sealing frame 30 is made of rubber or silica gel, the abutting portion 34 and the elastic buffer slot 33 are formed by plastic forming of the annular sealing frame 30 through a plastic sucking machine.

In another embodiment of the present invention, the circumferential edge of the annular sealing frame 30 is designed to be rounded.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a dustproof mechanism is applicable to earphone gasket, its characterized in that: the dustproof mechanism comprises a body, wherein the body is provided with a first end face and a second end face which are arranged in an up-down symmetrical mode, an opening cavity penetrating through the first end face and the second end face is formed in the body, and the cross section structure of the opening cavity is of an oval structure.

2. The dust-proof mechanism according to claim 1, wherein: the body comprises two first cushion bodies and two second cushion bodies, the second cushion bodies are arranged between the two first cushion bodies, the first cushion bodies are provided with third end faces and fourth end faces which are arranged in an up-down symmetrical mode, the second cushion bodies are provided with fifth end faces and sixth end faces which are arranged in an up-down symmetrical mode, the fifth end faces and the sixth end faces are respectively connected with the two fourth end faces, and the first end faces and the second end faces are respectively formed on the two third end faces.

3. The dust-proof mechanism according to claim 2, wherein: the first pad body is provided with a first filter hole penetrating through the third end surface and the fourth end surface, and the first filter hole gradually narrows towards the third end surface so that the cross-sectional structure of the first filter hole is in a trapezoidal structure; the second pad body is provided with second filter holes penetrating through the fifth end face and the sixth end face, the number of the second filter holes and the number of the first filter holes are multiple groups, and the first filter holes are aligned with the second filter holes one by one.

4. The dust-proof mechanism according to claim 3, wherein: the apertures of the first and second filter holes are the same shape for seamless connection.

5. The dust-proof mechanism according to claim 4, wherein: the first filter holes can be in a frustum shape or a circular truncated cone shape, and the second filter holes can be in a corresponding cylindrical shape or a corresponding prismatic shape.

6. The dust-proof mechanism according to claim 5, wherein: the included angle between the inner wall of the first filtering hole and the third end face is in the range of 65-70 degrees.

7. The dust-proof mechanism according to claim 6, wherein: the first cushion body and the second cushion body are both made of sponge materials and are integrally formed by cutting through a die cutting machine.

8. The dust-proof mechanism according to claim 7, wherein: and the first filter hole and the second filter hole are processed and formed by a CNC lathe, a carving machine or an engraving machine.

9. An earphone pad, comprising: comprising the dust-proof mechanism according to any one of claims 1 to 8.