CN203243489U

CN203243489U - Dual-speaker earphone

Info

Publication number: CN203243489U
Application number: CN 201320121162
Authority: CN
Inventors: 温增丰
Original assignee: WEN JINGLUN; Transound Electronics Co Ltd
Current assignee: WEN JINGLUN; Transound Electronics Co Ltd
Priority date: 2013-03-01
Filing date: 2013-03-18
Publication date: 2013-10-16
Anticipated expiration: 2023-03-18

Abstract

The utility model discloses a dual-speaker earphone, including a shell, a woofer and a tweeter. A receiving chamber is arranged inside the rear end of the shell. The front end face of the shell has a concave cavity. A sound guide chamber is arranged in the shell. The inner side wall circumference of the concave cavity is provided with two or more axially extending ribs with intervals. Each sound guide hole is surrounded by two adjacent ribs and the outer wall of the tweeter. The sound guide holes are communicated with the sound guide chamber. The woofer is arranged in the receiving chamber and in the back of the sound guide chamber. The tweeter is embedded in the concave cavity and is clamped by multiple ribs. The sound guide holes are distributed on the periphery of the tweeter. The sound made by the tweeter comes out directly, and the sound of the woofer comes out from the sound guide holes on the periphery of the tweeter through the sound guide chamber, so that low pitch surrounds high pitch, complementation of low pitch and high pitch is achieved, and the quality of high pitch is effectively improved, reaching an excellent grade.

Description

Double horn formula earplug

Technical field

The utility model relates to the earplug art, refers in particular to the good double horn formula earplug of a kind of high pitch effect.

Background technology

Along with development and the progress of Information technology, sci-tech product miscellaneous just constantly enters in the middle of the daily life, and in addition, these sci-tech products just little by little affect and changing people's life.Wherein, earplug is widely used in people's the life as a kind of audio output device, and for various audio-frequence player devices, earplug has become a kind of necessary device.

Along with the constantly raising of people to the earplug quality requirement, basic audio output function can satisfy people's requirement far from, the acoustical quality of earplug is more and more paid attention to by people, and the acoustical quality of earplug has become an important reference estimating the earplug quality.Yet earplug of the prior art is generally only installed loudspeaker in housing, and it only can send the sound of single-frequency, can not realize that fully high and low audio frequency is complementary, and the modelling effect of sound is relatively poor; Be directed to this, now have on the market the earplug of double horn or even many loudspeaker, such as Chinese patent ZL 201010610626.6, ZL 201220014704.0 and ZL 201120022033.8, be provided with two or more loudspeaker in it, so that an earplug can produce high pitch and bass, can realize to a certain extent high, bass is complementary, yet, two or more above-mentioned loudspeaker all are arranged in the containing cavity, and loudspeaker apart from housing to go out the sound end face far away, the sound that bass horn sends only spreads out of from a wherein lateral margin of loudspeaker, so that bass can not surround high pitch equably, thereby so that the high pitch effect of earplug is not good enough.

The utility model content

In view of this, the utility model is for the disappearance of prior art existence, and its main purpose provides a kind of double horn formula earplug, and its bass that can effectively solve existing earplug can not surround high pitch equably and cause the not good enough problem of high pitch effect.

For achieving the above object, the utility model adopts following technical scheme:

A kind of double horn formula earplug includes shell, bass horn and loudspeaker; The inside, rear end of this shell has a containing cavity, the front end face of this shell is concaved with cavity, be provided with the leading note chamber in this shell, this leading note chamber is communicated with between containing cavity and the cavity, and the madial wall of this cavity week, round interval convexed with two or more axially extended fins, jointly enclosing to consist of with the outer wall of loudspeaker between adjacent two fins has voice guide hole, and this voice guide hole is communicated with the leading note chamber; This bass horn is installed in the aforementioned containing cavity and places rear, leading note chamber; This loudspeaker is flush-mounted in the aforementioned cavity and is folded between aforementioned a plurality of fin, and aforementioned voice guide hole is distributed in the week circle periphery of this loudspeaker.

As a kind of preferred version, described shell includes procapsid and rear cover body, and this rear cover body is installed on the rear end of procapsid and encloses with procapsid and is configured to aforementioned containing cavity, and aforementioned cavity is arranged at the front end of procapsid.

As a kind of preferred version, described procapsid includes main part and is used for filling in the interior Embedded Division of human body ear, and aforementioned bass horn is positioned at this main part, and aforementioned cavity is arranged on the Embedded Division, and this loudspeaker is positioned at this Embedded Division.

As a kind of preferred version, be formed be used to the annular slot that clamps ear muff on the lateral surface of junction between described Embedded Division and the main part.

As a kind of preferred version, described Embedded Division and the connection of main part split formula, the rear end of this Embedded Division is set in outside the front end of main part.

As a kind of preferred version, the outer face of described loudspeaker is concordant with the front end face of shell.

As a kind of preferred version, have annular bottom plate in the described cavity, the periphery of this annular bottom plate and aforementioned one-body molded connection of each fin, the inner face of aforementioned loudspeaker is butted on this annular bottom plate.

As a kind of preferred version, four aforementioned fins are arranged on the described cavity madial wall uniformly at intervals, and form four aforementioned voice guide holes, the cross section of this fin and voice guide hole is all curved.

As a kind of preferred version, the one-body molded ring baffle that is provided with on the front end face of described shell, this ring baffle circle last week is arranged at intervals with a plurality of through holes, these a plurality of through holes respectively with aforementioned corresponding voice guide hole over against connection.

As a kind of preferred version, described bass horn and loudspeaker are the moving-coil loudspeaker.

The utility model compared with prior art has obvious advantage and beneficial effect, particularly, and as shown from the above technical solution:

By bass horn is arranged in the containing cavity, loudspeaker is arranged in the cavity, and cooperation is justified peripheral in the week of this loudspeaker these a plurality of voice guide hole pore size distributions, so that the sound that this loudspeaker sends directly outwards spreads out of, the sound that this bass horn sends outwards spreads out of through a plurality of voice guide holes of leading note chamber from the loudspeaker periphery, so that bass surrounds high pitch equably, has realized that not only high and low audio frequency is complementary, also effectively promote the high pitch quality, reached good grade.

For more clearly setting forth architectural feature of the present utility model and effect, come the utility model is elaborated below in conjunction with accompanying drawing and specific embodiment:

Description of drawings

Fig. 1 is the assembling schematic perspective view of first preferred embodiment of the utility model;

Fig. 2 is the exploded view of first preferred embodiment of the utility model;

Fig. 3 is the perspective, cut-away view of first preferred embodiment of the utility model;

Fig. 4 is the elevational sectional view of first preferred embodiment of the utility model;

Fig. 5 is the elevational sectional view of first another angle of preferred embodiment of the utility model;

Fig. 6 is the assembling schematic perspective view of second preferred embodiment of the utility model;

Fig. 7 is the sectional view of second preferred embodiment of the utility model.

The accompanying drawing identifier declaration:

10, shell 11, procapsid

111, main part 112, Embedded Division

12, rear cover body 13, annular bottom plate

14, ring baffle 141, through hole

101, containing cavity 102, cavity

103, leading note chamber 104, fin

105, voice guide hole 106, annular slot

20, bass horn 30, loudspeaker.

Embodiment

Please refer to Fig. 1 to shown in Figure 5, the concrete structure that it has demonstrated first preferred embodiment of the utility model includes shell 10, bass horn 20 and loudspeaker 30.

Wherein, the inside, rear end of this shell 10 has a containing cavity 101, the front end face of this shell 10 is concaved with cavity 102, be provided with leading note chamber 103 in this shell 10, this leading note chamber 103 is communicated with between containing cavity 101 and the cavity 102, the front opening of this leading note chamber 103 enlarges back to front gradually, the open rearward end of this leading note chamber 103 is dwindled back to front gradually, and the madial wall of this cavity 102 week, round interval convexed with two or more axially extended fins 104, jointly enclose to consist of with the outer wall of loudspeaker 30 between the two adjacent fins 104 voice guide hole 105 is arranged, this voice guide hole 105 is communicated with leading note chamber 103, in the present embodiment, four aforementioned fins 104 are arranged uniformly at intervals on these cavity 102 madial walls, and form four aforementioned voice guide holes 105, and the cross section of this each fin 104 and each voice guide hole 105 is all curved.This bass horn 20 is the moving-coil loudspeaker, and it has preferably tonequality, and the diameter of this bass horn 20 is 5.5mm, and this bass horn 20 is installed in the aforementioned containing cavity 101 and places 103 rears, leading note chamber; This loudspeaker 30 also is the moving-coil loudspeaker, also has preferably tonequality, the diameter of this loudspeaker 30 is 8mm, and this loudspeaker 30 is flush-mounted in the aforementioned cavity 102 and is folded between aforementioned a plurality of fin 104, and aforementioned voice guide hole 105 is distributed in the week circle periphery of this loudspeaker 30; This loudspeaker 30, leading note chamber 103 and bass horn 20 be from front to back coaxial setting successively.

Concrete and say, this shell 10 includes procapsid 11 and rear cover body 12, and this rear cover body 12 is installed on the rear end of procapsid 11 and encloses with procapsid 11 and is configured to aforementioned containing cavity 101, and aforementioned cavity 102 is arranged at the front end of procapsid 11; In the present embodiment, this procapsid 11 includes main part 111 and is used for filling in the interior Embedded Division 112 of human body ear, aforementioned bass horn 20 is positioned at this main part 111, and aforementioned cavity 102 is arranged on the Embedded Division 112, and this loudspeaker 30 is positioned at this Embedded Division 112; And, be formed with on the lateral surface of junction be used to the annular slot 106 that clamps ear muff between this Embedded Division 112 and the main part 111, in the present embodiment, this Embedded Division 112 and main part 111 split type connections, the front end that the rear end of this Embedded Division 112 is set in main part 111 forms aforementioned annular slot 106 outward, certainly this Embedded Division 112 also can be formed in one with main part 111 and be connected, not to be limited.

The outer face of this loudspeaker 30 is concordant with the front end face of shell 10, more to be adjacent to human body ear; And, have annular bottom plate 13 in the aforementioned cavity 102, the periphery of this annular bottom plate 13 and aforementioned each 104 one-body molded connection of fin, the inner face of this loudspeaker 30 is butted on this annular bottom plate 13.

During assembling, loudspeaker 30 setting-ins are entered in the cavity 102, and bass horn 20 is packed in the open rearward end of procapsid 11, the rear end that then rear cover body 12 is installed on procapsid gets final product.

In the use procedure, as shown in Figure 4, the sound that this loudspeaker 30 sends directly outwards spreads out of, the sound that this bass horn 20 sends outwards spreads out of through a plurality of voice guide holes 105 of leading note chamber 103 from loudspeaker 30 peripheries, so that bass surrounds high pitch equably, through great many of experiments test proof, high pitch effect of the present utility model has reached good grade.

Please refer to Fig. 6 and shown in Figure 7, it has demonstrated the concrete structure of second preferred embodiment of the utility model, and the concrete structure of the concrete structure of the present embodiment and aforementioned the first preferred embodiment is basic identical, and its difference is:

The one-body molded ring baffle 14 that is provided with on the front end face of this shell 10,, ring baffle 14 can increase the bonding area of ear-drum by being set, ear-drum is pasted more firm, the internal diameter of this ring baffle 14 is less than the external diameter of loudspeaker 30, to stop loudspeaker 30 shell 10 that comes off forward, this ring baffle circle 14 last weeks is arranged at intervals with a plurality of through holes 141, these a plurality of through holes 141 respectively with aforementioned corresponding voice guide hole 105 over against connection, in the present embodiment, this through hole 141 is four, these four through holes 141 respectively with aforesaid four voice guide holes 105 over against being communicated with, this each through hole 141 is all curved.In the use procedure, the sound that this loudspeaker 30 sends outwards spreads out of through the centre bore of through hole 141 and ring baffle 14, and the sound that this bass horn 20 sends outwards spreads out of by a plurality of voice guide holes 105 of leading note chamber 103 and loudspeaker 30 peripheries and finally by through hole 141 successively.

Design focal point of the present utility model is: by bass horn is arranged in the containing cavity, loudspeaker is arranged in the cavity, and cooperation is justified peripheral in the week of this loudspeaker these a plurality of voice guide hole pore size distributions, so that the sound that this loudspeaker sends directly outwards spreads out of, the sound that this bass horn sends outwards spreads out of through a plurality of voice guide holes of leading note chamber from the loudspeaker periphery, so that bass surrounds high pitch equably, realized that not only high and low audio frequency is complementary, also effectively promote the high pitch quality, reached good grade.

The above, it only is preferred embodiment of the present utility model, be not that technical scope of the present utility model is imposed any restrictions, therefore every foundation technical spirit of the present utility model all still belongs in the scope of technical solutions of the utility model any trickle modification, equivalent variations and modification that above embodiment does.

Claims

1. a double horn formula earplug is characterized in that: include shell, bass horn and loudspeaker; The inside, rear end of this shell has a containing cavity, the front end face of this shell is concaved with cavity, be provided with the leading note chamber in this shell, this leading note chamber is communicated with between containing cavity and the cavity, and the madial wall of this cavity week, round interval convexed with two or more axially extended fins, jointly enclosing to consist of with the outer wall of loudspeaker between adjacent two fins has voice guide hole, and this voice guide hole is communicated with the leading note chamber; This bass horn is installed in the aforementioned containing cavity and places rear, leading note chamber; This loudspeaker is flush-mounted in the aforementioned cavity and is folded between aforementioned a plurality of fin, and aforementioned voice guide hole is distributed in the week circle periphery of this loudspeaker.

2. double horn formula earplug according to claim 1, it is characterized in that: described shell includes procapsid and rear cover body, and this rear cover body is installed on the rear end of procapsid and encloses with procapsid and is configured to aforementioned containing cavity, and aforementioned cavity is arranged at the front end of procapsid.

3. double horn formula earplug according to claim 2, it is characterized in that: described procapsid includes main part and is used for filling in the interior Embedded Division of human body ear, aforementioned bass horn is positioned at this main part, and aforementioned cavity is arranged on the Embedded Division, and this loudspeaker is positioned at this Embedded Division.

4. double horn formula earplug according to claim 3 is characterized in that: be formed be used to the annular slot that clamps ear muff on the lateral surface of junction between described Embedded Division and the main part.

5. double horn formula earplug according to claim 3, it is characterized in that: described Embedded Division and the connection of main part split formula, the rear end of this Embedded Division is set in outside the front end of main part.

6. double horn formula earplug according to claim 1, it is characterized in that: the outer face of described loudspeaker is concordant with the front end face of shell.

7. double horn formula earplug according to claim 1 is characterized in that: have annular bottom plate in the described cavity, and the periphery of this annular bottom plate and aforementioned one-body molded connection of each fin, the inner face of aforementioned loudspeaker is butted on this annular bottom plate.

8. double horn formula earplug according to claim 1, it is characterized in that: four aforementioned fins are arranged on the described cavity madial wall uniformly at intervals, and form four aforementioned voice guide holes, the cross section of this fin and voice guide hole is all curved.

9. double horn formula earplug according to claim 1, it is characterized in that: the one-body molded ring baffle that is provided with on the front end face of described shell, this ring baffle circle last week is arranged at intervals with a plurality of through holes, these a plurality of through holes respectively with aforementioned corresponding voice guide hole over against connection.

10. double horn formula earplug according to claim 1, it is characterized in that: described bass horn and loudspeaker are the moving-coil loudspeaker.