CN218550141U - External earphone and Bluetooth earphone adopting same - Google Patents

Abstract

The application relates to an external earphone and a Bluetooth earphone adopting the external earphone. The external earphone comprises a lower cover, a loudspeaker arranged in a first cavity formed by the lower cover and an upper cover covering the lower cover to close the first cavity, wherein the loudspeaker separates the first cavity into a front cavity below a diaphragm of the loudspeaker and a rear cavity above the loudspeaker, the lower cover is further provided with a sound outlet communicated with the front cavity and the outside, so that sound generated by the loudspeaker is transmitted out from the sound outlet, a passive vibrating diaphragm is further arranged on the lower side of the upper cover, a second cavity is formed between the passive vibrating diaphragm and the upper cover, and the rear cavity is separated from the second cavity by the passive vibrating diaphragm. The utility model provides an external earphone sets up passive vibrating diaphragm at the downside of upper cover, and the bass vibration of loudspeaker diaphragm passes through the air action and acts on passive vibrating diaphragm, and the driven vibrating diaphragm vibration of drive is sounded and is spread from the sound outlet through loudspeaker again, plays the effect of reinforcing bass, improves the tone quality of external earphone.

Description

External earphone and Bluetooth earphone adopting same

Technical Field

The present application relates to earphone technology, and more particularly, to an external earphone and a bluetooth earphone using the same.

Background

The earphone is a personal stereo, and becomes more and more a necessity in the life of people along with the popularization of the mobile phone. In order to improve the wearing comfort of the earphones, the external earphone gradually becomes a novel earphone which is popular among people. The external earphone does not need to be plugged into the ear like the traditional earphone, and the problem of discomfort caused by long-term wearing is solved. However, due to the open structure, the bass portion of the external earphone is difficult to solve the problem of bass emission, thereby deteriorating the sound quality.

SUMMERY OF THE UTILITY MODEL

The technical problem that this application will be solved lies in, to prior art's above-mentioned defect, provides an external earphone who puts formula earphone and adopt this external earphone with bass reinforcing effect.

The utility model provides an external earphone for solving its technical problem provides in the first aspect, including the lower cover, set up loudspeaker in the first cavity that the lower cover formed and close with the lower cover lid in order to with the closed upper cover in first cavity top, loudspeaker separate into the antechamber that is located the diaphragm below of loudspeaker and the back chamber that is located the loudspeaker top with first cavity, the intercommunication antechamber and external sound outlet have still been seted up to the lower cover to the sound that makes loudspeaker produce spreads from sound outlet, the downside of upper cover still sets up a passive vibrating diaphragm, form the second cavity between passive vibrating diaphragm and the upper cover, passive vibrating diaphragm with the back chamber with the second cavity is separated.

In an embodiment of the external earphone according to the first aspect of the present application, a first annular step for mounting a speaker is formed on an inner side surface of the first chamber in the lower cover, and a sound outlet penetrating through the first chamber below the first annular step is formed at the bottom of the lower cover.

In an embodiment of the external earphone according to the first aspect of the present application, a circle of groove is formed in the lower cover outside the first chamber, and the upper cover has a circle of outer wall embedded in the circle of groove to cover the lower cover.

In an embodiment of the external earphone according to the first aspect of the present application, the lower side of the upper cover is provided with a ring of downwardly extending annular wall, and the inner side of the annular wall forms a second annular step for mounting the passive diaphragm.

In an embodiment of the external earphone according to the first aspect of the present application, the upper cover has at least one air release hole formed in the surrounding area of the annular wall, wherein the air release hole penetrates the second chamber and the outside.

In an embodiment of the external earphone according to the first aspect of the present application, the passive diaphragm includes a fixing portion, a corrugated portion and a central portion sequentially connected from outside to inside, the surface of the central portion is further provided with a weighting block, and the passive diaphragm is installed on the second annular step through the fixing portion.

In an embodiment of the external earphone according to the first aspect of the present application, a protection net covers the outer surface of the lower cover corresponding to the sound outlet.

In an embodiment of the external earphone according to the first aspect of the present application, the outer side of the lower cover is further provided with a suspension loop connecting portion communicated to the first chamber for introducing a wire connected to the speaker.

This application provides a bluetooth headset for solving its technical problem in the second aspect, including the connecting piece with divide locate the connecting piece both ends about two hangers parts and respectively with about two hangers parts are connected about two put formula earphones outward, wherein, put formula earphone outward for aforementioned put formula earphone outward.

Implement the bluetooth headset who puts formula earphone outward and adopt this outward of this application, have following beneficial effect: according to the utility model provides an external earphone sets up passive vibrating diaphragm at the downside of upper cover, and the bass vibration of loudspeaker diaphragm passes through the air action and moves passive vibrating diaphragm, and the driven vibrating diaphragm vibration of drive is sounded and is spread from a sound outlet through loudspeaker again, plays the effect of reinforcing bass, improves the tone quality of external earphone.

Drawings

The application will be further described with reference to the following drawings and examples, in which:

fig. 1 is an exploded view of an external earphone according to an embodiment of the present application;

fig. 2 is a sectional view of an assembled structure of the external earphone shown in fig. 1;

FIG. 3 is a schematic view of another angle configuration of the lower cover of FIG. 1;

FIG. 4 is a schematic view of another angle of the upper cover of FIG. 1;

FIG. 5 is a cross-sectional view of the passive diaphragm of FIG. 1;

fig. 6 is a schematic structural diagram of a bluetooth headset according to an embodiment of the present application.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more clearly understood, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application. Also, the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

Referring to fig. 1 and 2, an external earphone 10 according to an embodiment of the present application is mainly composed of a lower cover 11, a speaker 12, a passive diaphragm 13, and an upper cover 14. The horn 12 is disposed in the first chamber 111 formed by the lower cover 11, the upper cover 14 and the lower cover 11 cover the first chamber 111, and the horn 12 divides the first chamber 111 into a front cavity 1111 located below the diaphragm 121 of the horn 12 and a rear cavity 1112 located above the horn 12. The passive diaphragm 13 is disposed on the lower side of the upper cover 14, and forms a second chamber 145 with the upper cover 14, and the second chamber 145 is separated from the back cavity 1112 by the passive diaphragm 13. Like this, the sound that the diaphragm 121 vibration of loudspeaker 12 produced spreads through intercommunication antechamber 1111 and external sound outlet 114, and simultaneously, the bass vibration of the diaphragm 121 of loudspeaker 12 makes the air pressure change in the back chamber 1112, acts on the passive diaphragm 13 that is located the back chamber 1112 top through the air, drives passive diaphragm 13 vibration and sends sound rethread loudspeaker 12 and spread from sound outlet 114, plays the effect of reinforcing the bass.

As shown in fig. 1, 2 and 3, a first chamber 111 is formed in the lower cover 11, and a first annular step 112 is formed on an inner side surface of the first chamber 111. The horn 12 is supported by the first annular step 112 with the diaphragm 121 facing downward, dividing the first chamber 111 into a front chamber 1111 located below the horn diaphragm 121 and a rear chamber 1112 located above the horn 12. In a particular embodiment, the horn 12 may be adhesively secured to the first annular step 112 by, for example, gluing. The bottom of the lower cover 11 is provided with a sound outlet 114 at a position facing the ear when the external earphone 10 is worn, and the sound outlet 114 extends to a position below the first annular step 112 in the first chamber 111, so as to connect the front cavity 1111 located below the speaker 12 with the outside, so that the sound generated by the speaker 12 is transmitted from the sound outlet 114. The outer surface of the bottom of the lower cover 10 is further provided with a recessed position 115 surrounding the sound outlet 114, the protection net 15 is embedded in the recessed position 115 to cover the sound outlet 114, so that foreign matters can be prevented from entering the front cavity 1111 through the sound outlet 114 to damage the diaphragm 121 of the loudspeaker 12, and the effects of protecting the diaphragm and partially preventing dust and discharging water are achieved. As further shown in fig. 1, the lower cover 11 is further provided with a hanging-ear connection portion 117 at an outer side opposite to the sound outlet 114, the hanging-ear connection portion 117 is communicated to the first chamber 111 for introducing a wire connected with the speaker 12 into the first chamber 111 to be electrically connected with the speaker 12, so as to connect the external earphone 10 to a corresponding earphone device.

Referring to fig. 1, 2 and 4, a circle of grooves 116 is formed in the lower cover 11 outside the first chamber 111, and correspondingly, the upper cover 14 has a circle of outer walls 141, and the circle of outer walls 141 is inserted into the circle of grooves 116 of the lower cover 11, so that the upper cover 14 and the lower cover 11 can be closed. Further, the lower side of the upper cover 14 further extends downward to form a ring-shaped wall 142, and the inner side of the ring-shaped wall 142 forms a second ring-shaped step 143 for mounting the passive diaphragm 13. As shown in fig. 5, the passive diaphragm 13 includes a fixing portion 131, a corrugated portion 132, and a central portion 133, which are connected in sequence from outside to inside, and a weight 134 is further disposed on a surface of the central portion 133. The fixing portion 13 is a ring-shaped flange, and the passive diaphragm 13 is mounted on the second annular step 143 on the lower side of the upper cover 14 through the fixing portion 131, and may be fixed by, for example, adhesive bonding. The bending part 132 is a concave arc shape, one side of the bending part is connected with the fixing part 131, and the other side of the bending part is connected with the central part 133, and mainly plays a role in ensuring the passive diaphragm 13 to reset after vibrating. The central portion 133 is also shaped as a concave arc for generating vibration in response to changes in air. The fixing portion 131, the edge portion 132 and the central portion 133 of the passive diaphragm 13 may be integrally formed by an elastic polyester material such as PET, PU or PEN. The weight 134 is formed on the surface of the central portion 133, and may be attached or integrally formed, for example, for reducing the vibration amplitude of the passive diaphragm 13. The weight 134 may be made of metal. After the passive diaphragm 13 is disposed on the second annular step 143 on the lower side of the lower cover 14, the lower back cavity 1112 is separated from the second chamber 145 between the upper passive diaphragm 13 and the upper cover 14, so that the back cavity 1112 is a closed space, and the vibration of the speaker 12 can more effectively act on the passive diaphragm 13. In addition, the upper cover 14 further has a plurality of air release holes 144 in the surrounding range of the annular wall 142, and the air release holes 144 penetrate through the upper and lower surfaces of the upper cover 14, that is, the second chamber 145 above the passive diaphragm 13 and the outside, so as to adjust the air pressure in the second chamber 145, and make the passive diaphragm 13 vibrate more easily.

The external earphone 10 according to the above embodiment of the present application performs bass enhancement by the passive diaphragm 13 as follows: when the loudspeaker 12 is operated to produce sound, the vibration of the diaphragm 121 of the loudspeaker 12 causes the air in the first chamber 111 to be compressed and expanded, and the passive diaphragm 13 located above the rear cavity 1112 is driven by the air to vibrate under the action of the change of the air pressure, so that the sound is produced. For the middle-high range part, since the amplitude of the horn 12 itself is small, a slight change in air pressure is not sufficient to drive the passive diaphragm 13, and the passive diaphragm 13 has little effect on the middle-high range and can respond only to the low range. The bass rethread loudspeaker 12 that passive vibrating diaphragm 13 produced spreads from sound outlet 114, strengthens the bass effect of putting formula earphone 10 outward, promotes the tone quality of putting formula earphone 10 outward.

The external earphone 10 according to the above-described embodiment of the present application may be applied to various external earphone application scenarios, such as bluetooth earphones, bluetooth glasses, and the like. Fig. 6 shows a schematic structural diagram of a bluetooth headset 100 according to an embodiment of the present application. As shown in fig. 6, the bluetooth headset 100 mainly comprises a connecting part 30, two left and right ear-hanging parts 20 respectively disposed at two ends of the connecting part 30, and two left and right external headphones 10 respectively connected to the two left and right ear-hanging parts 20, where the external headphones 10 are the external headphones with bass enhancement effect described in the foregoing embodiment. The control circuit board, the battery and the bluetooth module of the bluetooth headset 100 may be disposed in one or both of the left and right ear hanging parts 20, which is prior art and will not be described in detail herein.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims (9)

1. The utility model provides an external earphone, includes the lower cover, set up loudspeaker in the first cavity that the lower cover formed and close with the lower cover lid with the closed upper cover in first cavity top, loudspeaker separate into the preceding chamber that is located the diaphragm below of loudspeaker with first cavity and the back chamber that is located the loudspeaker top, the intercommunication preceding chamber and external sound outlet have still been seted up to the lower cover to the sound that makes loudspeaker produce spreads from the sound outlet, a serial communication port, the downside of upper cover still sets up a passive vibrating diaphragm, form the second cavity between passive vibrating diaphragm and the upper cover, passive vibrating diaphragm with the back chamber with the second cavity is separated.

2. The external earphone according to claim 1, wherein a first annular step for mounting a speaker is formed on the inner side surface of the first chamber in the lower cover, and a sound outlet penetrating to the lower part of the first annular step in the first chamber is formed at the bottom of the lower cover.

3. The external earphone according to claim 1, wherein the lower cover forms a ring of groove in the outer side of the first chamber, and the upper cover has a ring of outer wall embedded in the ring of groove to cover the lower cover.

4. The external earphone as claimed in claim 1, wherein the lower side of the upper cover is provided with a ring of downwardly extending annular wall, and the inner side of the annular wall forms a second annular step for mounting the passive diaphragm.

5. The external earphone as claimed in claim 4, wherein the upper cover has at least one air release hole formed in the surrounding area of the annular wall to penetrate the second chamber and the outside.

6. The external earphone according to claim 4, wherein the passive diaphragm comprises a fixing portion, a corrugated portion and a central portion, the fixing portion, the corrugated portion and the central portion are sequentially connected from outside to inside, a weighting block is further disposed on a surface of the central portion, and the passive diaphragm is mounted on the second annular step through the fixing portion.

7. The external earphone as claimed in claim 1, wherein the outer surface of the lower cover is covered with a protective net corresponding to the sound outlet.

8. The external earphone according to claim 1, wherein the lower cover is further provided at an outer side thereof with a lug connection part communicating with the first chamber to introduce a wire connected to the speaker.

9. A Bluetooth headset, comprising a connecting piece, a left ear-hanging part and a right ear-hanging part which are respectively arranged at two ends of the connecting piece, and a left external-placed headset and a right external-placed headset which are respectively connected with the left ear-hanging part and the right ear-hanging part, wherein the external-placed headset is the external-placed headset of any one of claims 1 to 8.

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