CN209562763U - A kind of headphone - Google Patents

Abstract

A kind of headphone, including headset body, first earcap and the second earcap, the first sound tube road is provided in headset body, second sound tube road, first sound chamber and the second sound chamber, it is all had on first earcap and the second earcap and send sound channel, sealed set on sound channel is sent to have film, at least one the first row stomata for penetrating into the first sound outlet hole is offered on the periphery in the first sound tube road, at least one the second row stomata for penetrating into the second sound outlet hole is offered on the periphery in the second sound tube road, the total open area of first row stomata is identical as the total open area of second row stomata, so that the first sound chamber and the intracavitary air pressure of the second sound balance each other under first row stomata and second row stomata fully sealed position.The utility model offers gas vent on sound tube road, and the total open area of two gas vents is identical, to can effectively prevent air when installing earcap and excessively enter inside the sound chamber of earphone, finally allow two intracavitary air pressures of sound consistent.

Description

A kind of headphone

Technical field

The utility model relates to ear phone technology field more particularly to a kind of headphones.

Background technique

Earphone is a pair of of converting unit, it receives the electric signal that media player or receiver are issued, using close to ear Piece loudspeaker convert it into the sound wave that can be heard.Earphone is usually separable with media player, is inserted using one Head connection.Benefit is can to listen to sound equipment alone in the case where not influencing other people；Also the sound that ambient enviroment can be separated, to The people that recording studio, DJ, journey, movement etc. use under noisy environment of making an uproar is helpful.Earphone original is made on phone and radio , but it is prevailing with portable electronic devices, earphone is chiefly used in mobile phone, walkman, radio, portable electronic game sum digit Reproducing apparatus for phonotape etc..

Existing earphone, with the most universal of dual-lug type, but the earphone of dual-lug type has the following problems: when assembling earcap, Can be by air extrusion into sound chamber, and the air capacity got into sound chamber can be made when the extrusion speed of both ends earcap is inconsistent not Unanimously, so that the air pressure of left and right sound chamber is uneven, it is not of uniform size to eventually lead to left and right headphones sound.

Utility model content

The purpose of this utility model is to provide a kind of headphones, it is intended to solve two sound chambers of existing headphone Air pressure is uneven, eventually leads to two headphones sound problems not of uniform size.

In order to solve the above technical problems, the utility model is realized in this way, a kind of headphone, including earphone sheet Body, the first earcap and the second earcap are provided with the first sound tube road, the second sound tube road, the first sound chamber in the headset body With the second sound chamber, the first sound outlet hole for being communicated to the first sound chamber, first ear are offered on first sound tube road Cap sleeve is connected on first sound tube road；It is offered on second sound tube road and is communicated to the second of the second sound chamber and goes out Sound hole, second earcap are socketed on second sound tube road, are all had on first earcap and second earcap Sound channel is sent, it is described that sealed set on sound channel is sent to have film；It is offered on the periphery in first sound tube road and penetrates into institute At least one first row stomata of the first sound outlet hole is stated, first earcap is socketed on first sound tube road then will be described First row stomata is fully sealed；It is offered on the periphery in second sound tube road and penetrates at least the one of second sound outlet hole A second row stomata, second earcap are socketed on second sound tube road and then the second row stomata are fully sealed； The total open area of the first row stomata is identical as the total open area of the second row stomata, so that the first row The first sound chamber and the intracavitary air pressure of second sound balance each other under stomata and the second row stomata fully sealed position.

Further, the quantity of the first row stomata and the second row stomata, shape and size are all the same.

Further, the quantity of the first row stomata and the second row stomata is two.

Further, two first row stomatas are oppositely arranged on the both ends of first sound outlet hole, described in two Second row stomata is oppositely arranged on the both ends of second sound outlet hole.

Compared with prior art, beneficial effect is the utility model: the utility model row of offering on sound tube road Stomata, and the total open area of two gas vents is identical, to can effectively prevent air when installing earcap and excessively enter Inside the sound chamber of earphone, finally allows two intracavitary air pressures of sound consistent, reach the sound size spread out of from two sound outlet holes Consistent purpose.

Detailed description of the invention

Fig. 1 is the three-dimensional view (the first earcap can be seen from the three-dimensional view) of the utility model embodiment 1；

Fig. 2 is that the other direction three-dimensional view of the utility model embodiment 1 (can see the second ear from the three-dimensional view Cap)；

Fig. 3 is A-A profile in Fig. 1；

Fig. 4 is B-B profile in Fig. 2；

Fig. 5 is that the enlarged cross-sectional view of the utility model embodiment 2 (cuts open the second earcap and the second sound tube road It cuts)；

Fig. 6 is that the enlarged cross-sectional view of the utility model embodiment 3 (cuts open the second earcap and the second sound tube road It cuts)；

Fig. 7 is that the enlarged cross-sectional view of the utility model embodiment 4 (cuts open the second earcap and the second sound tube road It cuts).

In the accompanying drawings, each appended drawing reference indicates:

1, headset body；2, the first earcap；3, the second earcap；4, film；11, the first sound tube road；12, the second sound tube Road；13, the first sound chamber；14, the second sound chamber；15, loudspeaker；111, the first sound outlet hole；112, first row stomata；113, first annular Slot；121, the second sound outlet hole；122, second row stomata；123, the second annular groove；124, limited wall.

Specific embodiment

The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model Limitation.

Embodiment 1:

With reference to Fig. 1-Fig. 4, a kind of headphone provided in this embodiment, including headset body 1, the first earcap 2 and Two earcap 3 are provided with the first sound tube road 11, the second sound tube road 12, the first sound chamber 13 and the second sound chamber 14 in headset body 1 (loudspeaker 15 for sounding are provided in the second sound chamber 14) offers on the first sound tube road 11 and is communicated to the first sound chamber 13 First sound outlet hole 111, the first earcap 2 be socketed on the first sound tube road 11 (in the present embodiment, as long as the first earcap 2 of control with It is interference fit between first sound tube road 11, that is, can guarantee that the first earcap 2 will not be from Automatic-falling on the first sound tube road 11 Get off, be technological means well known to those skilled in the art, this will not be detailed here)；Connection is offered on second sound tube road 12 To the second sound outlet hole 121 of the second sound chamber 14, the second earcap 3 is socketed on the second sound tube road 12 (in the present embodiment, as long as control Making between the second earcap 3 and the second sound tube road 12 is interference fit, that is, can guarantee that the second earcap 3 will not be from the second sound tube road Automatic-falling gets off on 12, is technological means well known to those skilled in the art, this will not be detailed here).First earcap 2 and second It is all had on earcap 3 and send sound channel, send sealed set on sound channel to have film 4, water can be effectively prevented in the setting of the film 4 From send sound channel flow into sound chamber in；It is offered on the periphery in the first sound tube road 11 and penetrates at least the one of the first sound outlet hole 111 A first row stomata 112, the first earcap 2 are socketed on the first sound tube road 11 and then first row stomata 112 are fully sealed；Second At least one the second row stomata 122 for penetrating into the second sound outlet hole 121, the second earcap 3 are offered on the periphery in sound tube road 12 It is socketed on the second sound tube road 12 and then second row stomata 122 is fully sealed；The total open area of first row stomata 112 and The total open area of two gas vents 122 is identical, and (in this case, the first earcap 2 is socketed on Shi Cong on the first sound tube road 11 From second row stomata 122 when the gas flow and the second earcap 3 being discharged in one gas vent 112 are socketed on the second sound tube road 12 The gas flow of middle exclusion is identical, and herein identical is not limited to literal identical, and this will not be detailed here) so that First row stomata 112 and the first sound chamber 13 under 122 fully sealed position of second row stomata are equal with the air pressure in the second sound chamber 14 Weighing apparatus, is finally reached the consistent purpose of the sound size spread out of from the first sound outlet hole 111 and the second sound outlet hole 121.

Headphone in the present embodiment, can be common headphones, be also possible to bluetooth headset etc., herein no longer in detail It states.

In the present embodiment, first row stomata 112 is identical with the shapes and sizes of second row stomata 122.The present embodiment In, the quantity of first row stomata 112 and second row stomata 122 is two, limits first row stomata 112 and second row stomata 122 Quantity be two, have the advantages that if gas vent quantity be one, the opening of this gas vent can be very big, row Earcap will be poor to the sealing performance of gas vent when the opening of stomata is very big；If opening up more than two gas vents, because The area in sound tube road is little, can greatly increase the difficulty of setting, while increasing installation cost.

Preferably, two first row stomatas 112 are oppositely arranged on the both ends of the first sound outlet hole 111, two second row stomatas 122 are oppositely arranged on the both ends of the second sound outlet hole 121.This setup has the advantage that not only beautiful but also has mutual It is transsexual, it is opened simpler.

With reference to Fig. 3 and Fig. 4, it is preferred that a first annular slot 113 is offered on the periphery in the first sound tube road 11, the One gas vent 112 is provided on first annular slot 113；Second annular groove is offered on the periphery in the second sound tube road 12 123, when installing the second earcap 3, second row stomata 122 is provided on the second annular groove 123.

In the present embodiment, earphone when leaving the factory, send the exit in sound channel that can be provided with Air Filter, for preventing dust Into sending sound channel.Certainly, in other embodiments, it is also possible to be not provided with the Air Filter, film 4 can equally play anti- Only dust enters the effect for sending sound channel.

Embodiment 2:

With reference to Fig. 5, the present embodiment difference from example 1 is that: offered on the periphery in the first sound tube road 11 One the first limited wall；Second limited wall 124 is offered on the periphery in the second sound tube road 12.But not limited to this, In In other embodiments, the limited wall, the i.e. opening in sound tube road to cambered surface junction can also be not provided on sound tube road Interlude is even surface.

Embodiment 3:

With reference to Fig. 6, the present embodiment difference from example 1 is that: first row stomata 112 and second row stomata 122 Quantity be one.

Embodiment 4:

With reference to Fig. 7, the present embodiment and embodiment 2 the difference is that: first row stomata 112 and second row stomata 122 Quantity be one.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model Protection scope within.

Claims (4)

1. a kind of headphone, including headset body (1), the first earcap (2) and the second earcap (3), the headset body (1) On be provided with the first sound tube road (11), the second sound tube road (12), the first sound chamber (13) and the second sound chamber (14), described first The first sound outlet hole (111) for being communicated to the first sound chamber (13), the first earcap (2) set are offered on sound tube road (11) It is connected on first sound tube road (11)；It is offered on second sound tube road (12) and is communicated to the second sound chamber (14) The second sound outlet hole (121), second earcap (3) is socketed on second sound tube road (12), which is characterized in that described It is all had on first earcap (2) and second earcap (3) and send sound channel, it is described that sealed set on sound channel is sent to have film (4)； At least one first exhaust for penetrating into first sound outlet hole (111) is offered on the periphery in first sound tube road (11) Hole (112), first earcap (2) are socketed on first sound tube road (11) then that the first row stomata (112) is complete It is hermetically sealed；At least one for penetrating into second sound outlet hole (121) is offered on the periphery in second sound tube road (12) Second row stomata (122), second earcap (3) are socketed on the second row stomata on second sound tube road (12) then (122) it is fully sealed；The total face of opening of the total open area of the first row stomata (112) and the second row stomata (122) Product is identical, so that described first under the first row stomata (112) and the second row stomata (122) fully sealed position Air pressure in sound chamber (13) and the second sound chamber (14) balances each other.

2. headphone according to claim 1, which is characterized in that the first row stomata (112) and described second The quantity of gas vent (122), shape and size are all the same.

3. headphone according to claim 2, which is characterized in that the first row stomata (112) and described second The quantity of gas vent (122) is two.

4. headphone according to claim 3, which is characterized in that two first row stomatas (112) are opposite to be set It sets at the both ends of first sound outlet hole (111), two second row stomatas (122) are oppositely arranged on second sound outlet hole (121) both ends.