CN214591909U

CN214591909U - Earphone backshell and earphone

Info

Publication number: CN214591909U
Application number: CN202120602442.9U
Authority: CN
Inventors: 杨明凯; 孔凡省; 徐敏龙
Original assignee: Goertek Techology Co Ltd
Current assignee: Goertek Techology Co Ltd
Priority date: 2021-03-22
Filing date: 2021-03-22
Publication date: 2021-11-02
Anticipated expiration: 2031-03-22

Abstract

The utility model provides a pair of earphone backshell and earphone relates to electronic equipment technical field, include: the rear shell comprises a rear shell body, wherein an arc-shaped groove is sunk in one part of the edge of the rear shell body; the rotating ring is rotatably sleeved on the outer side of the rear shell body and shields the arc-shaped groove to form a bass tube; the baffle is arranged on the mounting hole, the inner side of the baffle is provided with an adjusting sheet, and the adjusting sheet adjusts the length of the bass tube along with the rotation of the rotating ring; the baffle plate is provided with air holes, and the bass tube is provided with a rear hole communicated with the inner cavity of the rear shell body. When the rotating ring is rotated, the adjusting sheet can move along the length direction in the slot cavity of the arc-shaped slot, so that the relative size of the two separated cavities of the slot cavity is adjusted, and the length of the bass tube is adjusted. When the length of the bass tube changes, the bass effect of the earphone also changes at any time. The user can select the conversation mode or the music mode according to the preference of the user.

Description

Earphone backshell and earphone

Technical Field

The utility model belongs to the technical field of the electronic equipment technique and specifically relates to an earphone backshell and earphone are related to.

Background

At present, in the structural design of the earphone, a bass tube is generally designed in order to pursue sufficient low-frequency performance. The bass tube can improve the low frequency effect qualitatively. However, although a low frequency effect that is too sufficient is enjoyed by the user for music with a large low frequency component, an excessive low frequency adversely affects the clarity and brightness of the sound for a conversation mode and a song with a small low frequency component. Therefore, the bass effect of the existing earphone is single, and different requirements cannot be met.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an earphone backshell and earphone to it is single to solve among the prior art earphone bass effect, can't satisfy the technical problem of different demands.

The utility model provides a pair of earphone backshell, include:

the rear shell comprises a rear shell body, wherein an arc-shaped groove is sunk in one part of the edge of the rear shell body;

the rotating ring is rotatably sleeved on the outer side of the rear shell body and shields the arc-shaped groove to form a bass tube;

the baffle is arranged on the mounting hole, and an adjusting sheet is arranged on the inner side of the baffle and adjusts the length of the bass tube along with the rotation of the rotating ring; the baffle plate is provided with air holes, and the bass tube is provided with a rear hole communicated with the inner cavity of the rear shell body.

Furthermore, a waterproof film for shielding the air holes is arranged on the baffle plate.

Further, the waterproof film is disposed on an inner side of the baffle.

Further, the rear hole is opened at an end portion of a part of the arc-shaped groove constituting the bass tube.

Furthermore, an annular concave table is arranged on the outer side of the rear shell body in a circle, and the arc-shaped groove is formed in the concave table; the rotating ring is sleeved on the concave table.

The utility model also provides an earphone, which comprises the earphone rear shell; further comprising:

the earphone rear shell and the earphone front shell are assembled oppositely;

the loudspeaker is arranged in the inner cavity of the front shell of the earphone;

the rear cavity cover is covered on the horn, and a rear cavity is formed between the rear cavity cover and the horn; the rear cavity cover is provided with an opening communicated with the rear cavity, and the rear hole is communicated with the opening.

Furthermore, a tubular structure is arranged on the outer side of the rear cavity cover, one end of the tubular structure is communicated with the rear cavity, and the opening is formed in the other end of the tubular structure.

Further, the cross sections of the opening hole and the rear hole are the same, and the opening hole is in sealing butt joint with the rear hole.

Further, the cross sections of the open hole and the rear hole are rectangular.

Furthermore, a supporting platform is arranged in the inner cavity of the front shell of the earphone, and the loudspeaker is fixed on the supporting platform.

In the above technical scheme, when the rotating ring is rotated, the adjusting sheet can move along the length direction in the slot cavity of the arc-shaped slot, so that the relative size of the two separated cavities in the slot cavity is adjusted, and the length of the bass tube is adjusted. When the length of the bass tube changes, the bass effect of the earphone also changes at any time. When the rotating ring is rotated clockwise to the bottom, the adjusting sheet can block the rear hole of the bass tube, so that the bass tube disappears, and the low-frequency strength is weakest at the moment. Therefore, the user can adjust the bass effect at any time according to the preference of the user, the conversation mode or the music mode, and the low-frequency effect which different music wants.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is an exploded view of an earphone according to an embodiment of the present invention;

fig. 2 is a longitudinal sectional view of an earphone according to an embodiment of the present invention;

fig. 3 is a cross-sectional view of an earphone according to an embodiment of the present invention.

Reference numerals:

1. a rear housing body; 2. a rotating ring; 3. an earphone front shell; 4. a horn; 5. a rear cavity cover;

11. an arc-shaped slot; 12. a rear aperture; 13. a bass tube; 14. a concave platform;

21. air holes are formed; 22. a regulating sheet; 23. a water-resistant film; 24. mounting holes; 25. a baffle plate;

31. a support platform;

51. a rear cavity; 52. opening a hole; 53. a tubular structure.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. 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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

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 in specific cases to those skilled in the art.

As shown in fig. 1 to fig. 3, the rear shell of the earphone provided by this embodiment includes a rear shell body 1, and an arc-shaped groove 11 is sunk at a part of an edge of the rear shell body 1; the rotating ring 2 is rotatably sleeved on the outer side of the rear shell body 1 and shields the arc-shaped groove 11 to form a bass tube; a baffle 25, wherein the rotating ring 2 is provided with a mounting hole 24 corresponding to the bass tube, the baffle is arranged on the mounting hole 24, an adjusting sheet 22 is arranged inside the baffle 25, and the length of the bass tube is adjusted by the adjusting sheet 22 along with the rotation of the rotating ring 2; the baffle 25 is provided with an air hole 21, and the bass tube is provided with a rear hole 12 communicated with the inner cavity of the rear shell body 1. Wherein the rear hole 12 may be opened at an end portion of a part of the arc-shaped groove 11 constituting the bass tube.

The back shell body 1 is matched with a rotary ring 2 which can rotate relatively, so that a bass tube 13 with adjustable length is formed. The arc-shaped groove 11 is firstly formed in the outer side of the rear shell body 1, the arc-shaped groove 11 is formed along the circumferential direction of the rear shell body 1, and the forming length of the arc-shaped groove 11 can be set according to actual requirements, which is not limited herein. After the rotating ring 2 is rotatably sleeved on the outer side of the rear shell body 1, the rotating ring can cover the arc-shaped groove 11 to shield the opening of the arc-shaped groove 11, so that the bass tube 13 is formed by the groove cavity of the arc-shaped groove 11 and the rotating ring 2.

Wherein, in order to realize that the bass tube 13 of this formation can adjust length, so still set up adjustment flap 22 in the inboard of rotatory ring 2, the structure and the size of this adjustment flap 22 can be according to the structure and the size setting of arc wall 11, rotatory ring 2 and the mutual collocation back of arc wall 11, and adjustment flap 22 can stretch into the vallecular cavity of arc wall 11, separates the vallecular cavity into two chambeies, and one of them chamber is the bass tube 13 promptly. Therefore, when the rotating ring 2 is rotated, the adjusting piece 22 can move in the slot of the arc-shaped slot 11 along the length direction, thereby adjusting the relative size of the two separated slots and further adjusting the length of the bass tube 13.

When the length of the bass tube 13 changes, the bass effect of the earphone also changes at any time. As shown in fig. 3, when the rotating ring 2 is rotated clockwise to the bottom, the adjusting piece 22 will block the rear hole 12 of the bass tube 13, so that the bass tube 13 disappears, and the low frequency is weakest. Therefore, the user can adjust the bass effect at any time according to the preference of the user, the conversation mode or the music mode, and the low-frequency effect which different music wants.

As shown in fig. 1, the baffle 25 is provided with a waterproof film 23 for covering the air holes 21. Wherein the waterproof membrane 23 is provided on the inner side of the baffle 25. The waterproof membrane 23 can be matched with the air holes 21, so that the earphone can achieve the waterproof effect and can also achieve the air-permeable purpose. In one embodiment, the rotating ring 2 is provided with a mounting hole 24, a baffle 25 is arranged on the mounting hole 24, and the adjusting blade 22 is arranged on the inner side of the baffle 25. Thus, the baffle 25 and the adjustment blade 22 can be made detachable with respect to the rotating ring 2. At this time, the ventilation hole 21 is also formed on the baffle 25, so that the ventilation hole 21 is adjacent to the adjusting piece 22, and the ventilation hole 21 can be ensured to be always at the tail end of the bass tube 13, so as to achieve the effect of the bass tube 13.

With continued reference to fig. 1, an annular concave platform 14 is arranged on the outer circumference of the rear shell body 1, and the arc-shaped groove 11 is formed on the concave platform 14; the rotating ring 2 is fitted over the recessed land 14. The configuration and dimensions of the recess 14 may be matched to the configuration and dimensions of the rotating ring 2, in which case the rotating ring 2 may be fitted over the recess 14 to form a matching fitting configuration. Wherein, can also make the outer wall of rotatory ring 2 and the outer wall parallel and level of backshell body 1, guarantee the integrality of outward appearance.

The utility model also provides an earphone, which comprises the earphone rear shell; the earphone also comprises an earphone front shell 3, and the earphone rear shell is assembled opposite to the earphone front shell 3; the earphone also comprises a loudspeaker 4, and the loudspeaker 4 is arranged in the inner cavity of the earphone front shell 3; the earphone further comprises a rear cavity 51 cover 5, the rear cavity 51 cover 5 covers the loudspeaker 4, and a rear cavity 51 is formed between the rear cavity 51 cover 5 and the loudspeaker 4; the rear cavity 51 cover 5 is provided with an opening 52 communicated with the rear cavity 51, and the rear hole 12 is communicated with the opening 52. When assembling, the inner cavity of the earphone front shell 3 is provided with a supporting platform 31, and the loudspeaker 4 is fixed on the supporting platform 31.

In one embodiment, with continued reference to FIG. 1, the rear aperture 12 opens at one end of the arcuate slot 11. At this time, a tubular structure 53 is disposed outside the rear cavity 51 cover 5, one end of the tubular structure 53 is communicated with the rear cavity 51, and the other end of the tubular structure 53 is provided with the opening 52. Thus, the opening 52 and the rear opening 12 can be butted against the tubular structure 53 through the bass tube 13, so that the opening 52 and the rear opening 12 can be structurally matched with each other. Meanwhile, the cross sections of the opening 52 and the rear hole 12 are the same, so that the opening 52 is in sealing butt joint with the rear hole 12. For example, the cross-section of the opening 52 and the rear aperture 12 is rectangular.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. An earphone backshell, comprising:

2. The earphone rear shell according to claim 1, wherein a waterproof film for shielding the ventilation hole is provided on the baffle.

3. The earphone rear shell of claim 2, wherein the waterproof membrane is disposed on an inner side of the baffle.

4. An earphone back shell according to any one of claims 1-3, wherein the back hole opens at the end of a portion of the arc-shaped slot constituting the bass tube.

5. The earphone rear shell according to any one of claims 1-3, characterized in that an annular concave platform is arranged on the outer circumference of the rear shell body, and the arc-shaped groove is arranged on the concave platform; the rotating ring is sleeved on the concave table.

6. A headset characterized by comprising a headset back shell according to any one of claims 1-5; further comprising:

the earphone rear shell and the earphone front shell are assembled oppositely;

7. The earphone as claimed in claim 6, wherein a tubular structure is arranged outside the rear cavity cover, one end of the tubular structure is communicated with the rear cavity, and the other end of the tubular structure is provided with the opening.

8. The earphone of claim 6, wherein the opening and the rear aperture are of the same cross-section and the opening sealingly interfaces with the rear aperture.

9. The headset of claim 8, wherein the aperture and the rear aperture are rectangular in cross-section.

10. The headset of any one of claims 6 to 9, wherein the inner cavity of the front housing of the headset is provided with a support platform on which the speaker is fixed.