TWM478308U - Earphone with three-dimensional bass channel - Google Patents

Description

Headphone with stereo bass channel

This creation is related to headphones, and in particular to an earphone having a stereo bass channel formed by a vertically long and a spiral shape.

The conventional earphone mainly includes a casing, and a speaker disposed in the casing, the casing mainly includes a receiving portion for plugging in the ear of the user, the speaker is disposed in the receiving portion and The space is divided into a front chamber and a rear chamber. The front chamber mainly resonates with medium and high frequency sounds, and the rear chamber resonates with low frequency sound.

In addition to having the accommodating portion as described above, the housing of the conventional earphone generally has an elongated tubular or curved tubular extending portion having a bass passage therein, and the bass passage is coupled to the accommodating portion. The chambers are then connected, which allows the low frequency sound to have a longer resonance space, resulting in a better low frequency sound performance.

However, the aforementioned bass channels are simply designed on the same plane, so the length of the extended bass channel also increases the required planar area, which is disadvantageous for miniaturization, and the aforementioned earphone with a bass channel is clearly distinguishable in appearance. The one-piece portion (that is, the aforementioned receiving portion) and the cylindrical portion (that is, the aforementioned extending portion) are such that the outer shape of the earphone is less integral and the volume is also larger.

In view of the above shortcomings, the main purpose of this creation is to provide a stereo The bass channel earphones are sturdy in appearance and can form a considerable length of bass resonance space in a small-volume housing to produce good low-frequency sound performance.

In order to achieve the above object, the earphone provided with the stereo bass channel of the present invention comprises a casing and a speaker, the casing has a receiving space, a bass channel, a first sound hole and a second sound hole. The woofer channel has a longitudinal section and a spiral section. The speaker is disposed in the accommodating space, and separates the accommodating space from a front chamber and a rear chamber. The first sound hole is in communication with the front chamber, and the second sound hole is connected to the spiral portion of the bass channel, and the longitudinal end of the bass channel is respectively connected to the rear chamber And communicating with the spiral section, the lengthwise section extending from the rear chamber substantially in a specific direction to the spiral section, the spiral section being substantially spiral in a plane non-parallel to the specific direction Extend the ground.

Thereby, the low frequency sound emitted by the speaker can resonate with the bass channel in the rear chamber, and the bass channel has the design of the longitudinal section and the spiral section, and the earphone provided by the creation is not only externally The type is holistic and can form a considerable length of bass resonance space in a small-volume housing to produce good low-frequency sound performance.

The detailed construction, features, assembly or use of the earphone with a stereo bass channel provided by this creation will be described in the detailed description of the subsequent embodiments. However, those of ordinary skill in the art should understand that the detailed description and specific embodiments of the present invention are merely used to illustrate the present invention and are not intended to limit the scope of the patent application.

10‧‧‧ headphones

12‧‧‧ housing

14‧‧‧Speaker

20‧‧‧ rear case

21‧‧‧ middle section

22‧‧‧The former section

222‧‧‧ front opening

224‧‧‧Inner cone

226‧‧‧ positioning block

23‧‧‧After section

232‧‧‧After opening

24‧‧‧ accommodating space

242‧‧‧ front chamber

244‧‧‧ rear chamber

25‧‧‧ bass channel

252‧‧‧Long section

254‧‧‧Spiral section

254a‧‧‧Outside

254b‧‧‧ inner end

26‧‧‧Interval

261‧‧‧ front side

262‧‧‧ Back side

264‧‧‧ card hole

266‧‧‧Perforation

27‧‧‧Threading hole

28‧‧‧ outer surface

30‧‧‧Front shell

32‧‧‧The first sound hole

40‧‧‧ Built-in parts

41‧‧‧ outer cone

42‧‧‧ end face

43‧‧‧ trench

44‧‧‧ positioning slot

45‧‧‧Cartridge

46‧‧‧Threading hole

50‧‧‧ Back cover

52‧‧‧Second sound hole

1 is a perspective assembled view of a headset provided by a preferred embodiment of the present invention; 2 and 3 are exploded perspective views of the earphone provided by the preferred embodiment from two different angles; FIG. 4 is a cross-sectional view taken along line 4-4 of FIG. 1; A perspective view of one of the rear case members of the earphone provided by the preferred embodiment is created.

Referring to the drawings, an earphone 10 having a stereo bass channel according to a preferred embodiment of the present invention comprises a rear case member 20, a front case member 30, a built-in member 40 and a back cover 50. The housing 12, and a speaker 14, are described below with the earphone inserted into the user's ear as the front.

The rear casing member 20 has an outer diameter minimum section 21, a section 22 extending forwardly from the outer diameter of the middle section 21, and an outer diameter from the middle section 21. After the extension is extended rearwardly, the section 23, the end of the front section 22 and the end of the rear section 23 respectively have a front opening 222 and a rear opening 232.

The front cover member 30 is fixed to the front opening 222 of the rear case member 20, and forms a receiving space 24 with the hollow front portion 22, and the speaker 14 is disposed in the receiving space 24. The accommodating space 24 is separated from a front chamber 242 and a rear chamber 244 (as shown in FIG. 4). The front housing member 30 has a first sound hole 32 communicating with the front chamber 242. .

The inner cover 40 is fixed in the front section 22 of the rear case member 20 , and the rear cover 50 is fixed to the rear opening 232 and has a second sound hole 52 . The rear housing member 20, the inner member 40 and the rear cover 50 together form a bass passage 25, and the bass passage 25 has a longitudinal section 252 and a spiral section 254, as shown in FIG. As described below.

Referring to Figures 4 to 5, the rear casing member 20 has an inner portion of the front portion 22 A tapered surface 224, and a positioning block 226 projecting from the inner tapered surface 224. In addition, the rear case member 20 has a spacer portion 26 located substantially in the middle portion 21, and the front side 261 and the rear side 262 of the spacer portion 26 face the front case member 30 and the rear cover 50, respectively, and the interval The portion 26 is provided with a latching hole 264 at the front side 261 and a through hole 266 extending through the front side 261 and the rear side 262. In addition, the rear casing member 20 further has a threading hole 27 located in the middle portion 21, and the threading hole 27 is open to the outer surface 28 of the rear casing member 20 (as shown in FIG. 3), and is also open. On the front side 261 of the spacer 26 (as shown in Figures 4 and 5).

Referring to FIGS. 2 to 3, the inner member 40 is generally hollow in shape, and has an outer tapered surface 41 and an end surface 42 on the outer side thereof. The outer tapered surface 42 is provided with a groove 43 at a relative position and a positioning. The slot 44 protrudes from a latching post 45 and is provided with a threading hole 46. The locating member 40 is embedded in the positioning block 226 (as shown in FIG. 4), and the latching post 45 is disposed on the latching hole 264 (as shown in FIG. 5). The shell members 20 are positioned relative to each other, and the insert member 40 and the rear shell member 20 are fixed to each other by an adhesive.

Thereby, the inner tapered surface 224 of the rear casing member 20 is adjacent to the outer tapered surface 41 of the inner casing 40, that is, the inner tapered surface 224 is in close contact with the outer tapered surface 41 or is closely spaced. face. As shown in FIG. 4, the threading hole 46 of the inner casing 40 communicates with the threading hole 27 of the rear casing member 20 for the transmission line (not shown) of the speaker 14 to pass. The groove 43 of the insert 40 communicates with the perforation 266 of the spacer 26 to form a longitudinal section 252 of the bass channel 25, that is, a portion of the lengthwise section 252 (ie, by the groove) A portion formed by the groove 43 is formed between the rear case member 20 and the insert member 40. Referring again to Figures 2 and 4, the helical section 254 of the bass channel 25 is formed in the rear section 23 of the rear casing member 20 and on the rear side 262 of the spacer portion 26, the perforations 266 of the spacer portion 26 are connected. Outside one of the spiral segments 254 End 254a, the second sound hole 52 is in communication with one of the inner ends 254b of the spiral section 254.

As such, the longitudinal section 252 of the bass channel 25 communicates with the rear chamber 244 with its front end and communicates with the spiral section 254 with its rear end, and the lengthwise section 252 is The rear chamber 244 extends substantially in a particular direction (in the present embodiment toward the rear cover 50, upwardly in FIG. 4) to the helical section 254, the helical section 254 being substantially A plane that is not parallel to the particular direction (in this embodiment, a plane that is substantially perpendicular to the particular direction) extends helically.

In the foregoing earphone 10 having a stereo bass channel, the speaker 14 emits a medium, high frequency sound can resonate in the front chamber 242, and then is sent out from the first sound hole 32; the speaker 14 emits a low frequency Sound can resonate within the bass chamber 244 and the bass channel 25 and be transmitted from the second sound hole 52. Since the bass passage 25 has the longitudinal section 252 and the spiral section 254 as described above, the earphone 10 is designed such that the earphone 10 not only has an integral shape, but also can form a relatively long bass in the small-sized casing 12. The resonance space can increase the sound width of the sound emitted by the earphone 10, and the bass extension is better, the sound quality is softer and stronger, and a better original sound reproduction effect is produced.

It is to be noted that the front cover member 20 and the inner cover member 40 are respectively provided with the threading holes 27 and 46, and the transmission line is disposed through the bass passage 25 and the second sound hole 52. In addition, the front cover member 20 and the inner cover member 40 are respectively not provided with the positioning block 226 and the positioning groove 44, and are only positioned by the snap hole 264 and the snap post 45; the front cover member And the latching hole 264 and the latching post 45 are respectively not disposed, and are only positioned by the positioning block 226 and the positioning slot 44; or the front shell member 20 and the None of the inserts 40 may have the features described above for positioning, but the aforementioned features for positioning are advantageous for ease of assembly. The insert member 40 can also be integrally formed with the front case member 20. However, the design in which the inner member 40 and the front case member 20 are not integrally formed is relatively easy to manufacture, and can be, for example, glued, screwed, snapped, tightly fitted or Other equivalent ways are combined. The back cover 50 can also be integrally formed with the front case member 20. However, the design in which the rear cover 50 and the front case member 20 are not integrally formed is relatively easy to manufacture.

Finally, it must be explained again that the constituent elements disclosed in the foregoing embodiments are merely illustrative and are not intended to limit the scope of the present invention. Alternatives or variations of other equivalent elements should also be the scope of patent application of the present application. Covered.

10‧‧‧ headphones

12‧‧‧ housing

14‧‧‧Speaker

20‧‧‧ rear case

21‧‧‧ middle section

22‧‧‧The former section

23‧‧‧After section

232‧‧‧After opening

254‧‧‧Spiral section

254a‧‧‧Outside

254b‧‧‧ inner end

30‧‧‧Front shell

32‧‧‧The first sound hole

40‧‧‧ Built-in parts

41‧‧‧ outer cone

42‧‧‧ end face

43‧‧‧ trench

45‧‧‧Cartridge

46‧‧‧Threading hole

50‧‧‧ Back cover

52‧‧‧Second sound hole

Claims (10)

An earphone with a stereo bass channel includes: a housing having a receiving space, a bass channel, a first sound hole and a second sound hole, the bass channel having a longitudinal section and a a spiral section; and a speaker disposed in the accommodating space, and separating the accommodating space from a front chamber and a rear chamber; wherein the first sound hole is in communication with the front chamber The second sound hole is connected to the spiral section of the bass channel, and the longitudinal end of the bass channel is respectively connected to the rear chamber and the spiral section, and the lengthwise section is from the rear The chamber extends substantially in a particular direction to the helical section, the helical section extending substantially helically in a plane that is non-parallel to the particular direction. The earphone having a stereo bass channel according to claim 1, wherein the housing comprises a front shell member and a rear shell member connected to each other, and a built-in member fixed in the rear shell member. The front cover member and the rear cover member together form the accommodating space, and at least a part of the longitudinal section of the woofer channel is formed between the rear case member and the insert member. The earphone having a stereo bass channel according to claim 2, wherein the inner side of the rear case has an inner tapered surface, and the outer side of the inner member has an outer tapered surface and a groove, and the inner tapered surface is externally The tapered surface abuts the at least a portion of the lengthwise section of the bass channel. The earphone having a stereo bass channel according to claim 3, wherein the rear casing member has a positioning block protruding from the inner tapered surface, and the inner casing has a positioning groove embedded in the positioning block. The earphone having a stereo bass channel according to the third or fourth aspect of the invention, wherein the rear casing member has a partition portion having a front side, a rear side, and a snap hole on the front side, and a through hole extending through the front side and the rear side, the front side facing the front case member, the spiral section of the bass channel being located on the rear side and communicating with the through hole; the insert having an end face, and a face from the end face The protruding latching post is disposed on the latching hole, and the groove of the inner component is in communication with the through hole of the spacing portion. The earphone having a stereo bass channel according to claim 5, wherein the rear case member has an outer surface and a threading hole, and the threading hole is open to the outer surface and the front side of the spacer. The earphone having a stereo bass channel according to claim 6, wherein the inner member is provided with a threading hole opened to the end surface, and the threading hole of the inner member communicates with the threading hole of the rear shell member. The earphone having a stereo bass channel according to claim 5, wherein the rear case has a rear opening, and a cover is disposed on the rear opening and opposite to the rear side of the spacer, the second sound hole The back cover is located, and the through hole of the spacer and the second sound hole are respectively located at two ends of the spiral section of the bass channel. The earphone having a stereo bass channel according to claim 8, wherein the rear case member has an outer surface and a threading hole, and the threading hole is open to the outer surface and the front side of the spacer. The earphone having a stereo bass channel according to claim 9, wherein the inner member is provided with a threading hole opened to the end surface, and the threading hole of the inner member communicates with the threading hole of the rear shell member.