CN206302561U - A kind of loudspeaker - Google Patents

Abstract

The utility model is related to a kind of loudspeaker, and the first through hole for connecting the inner chamber is provided with the end face of the first cavity, and the position that second cavity is located at step is provided with multiple the second through holes for being respectively communicated with the inner chamber；Also include adjusting knob, the adjusting knob includes being rotatably connected on the yoke stepped locations and the swivel becket together with the end contact of the second through hole is provided with the second cavity, and it is fixed on the support on swivel becket, the multiple third through-holes for being combined together with multiple second through holes are provided with the swivel becket, the plug for coordinating with first through hole is provided with the bracket.Loudspeaker of the present utility model, by adjusting button, can make the inner chamber of loudspeaker be in communication with the outside together by different through holes, and this allows for be selected by through-hole aperture, quantity, so as to reach the purpose of regulation tone quality of horn effect.

Description

A kind of loudspeaker

Technical field

The utility model is related to sound-producing device, more specifically, the utility model is related to a kind of loudspeaker of earphone.

Background technology

With scientific and technological constantly progressive, electronic product without the trend development not towards light and handy miniaturization, such as common MP3 with Body is listened, personal digital assistant (PDA), notebook computer etc., and even more everyday life must not lack.No matter above-mentioned which kind of electronics Product, in order to allow user to listen to the acoustic information that electronic product is provided under the situation for not disturbing other people, earphone into It is the necessary accessory of each electronic product, earphone also provides listener's preferably transfer voice in addition, enables listener clearly Hear and understand sound-content.Generally by loudspeaker, fore shell, rear shell and earphone cord, (earphone cord one end connects loudspeaker, the other end to earphone It is plug) constitute.

Earphone is generally divided into by the way of contact with ear：Built-in earplug, half built-in earplug, ear-sticking earplug；Enter Leakage without low-frequency sound when ear formula earplug is due to by duct, the earphone too high influence sense of hearing of low frequency in itself；But ear-sticking earplug, Low-frequency sound can reveal a part, generally require of a relatively high low frequency lifting；Therefore with a Microspeaker from performance Seldom it is not only suitable for ear-sticking earplug and is applied to built-in earplug again, and plays a part of to adjust tonequality simultaneously.

Utility model content

A purpose of the present utility model there is provided a kind of loudspeaker.

According to one side of the present utility model, there is provided a kind of loudspeaker, including the yoke with inner chamber, the yoke has The first cavity, the second cavity being connected together, the internal diameter of the external diameter more than the first cavity of second cavity, the two connects at it The place of connecing forms step；

The first through hole for connecting the inner chamber is provided with the end face of first cavity, second cavity is located at platform The position of rank is provided with multiple the second through holes for being respectively communicated with the inner chamber；Also include adjusting knob, the adjusting knob includes It is rotatably connected on the yoke stepped locations and the rotation together with the end contact of the second through hole is provided with the second cavity Ring, and the support on swivel becket is fixed on, it is provided with the swivel becket for being combined together with multiple second through holes Multiple third through-holes, the plug for coordinating with first through hole is provided with the bracket；Regulation button and the yoke Matching relationship it is as follows：The regulation button is rotated, the third through-hole on swivel becket is staggered with second through hole, and make branch Plug on frame staggers to open the first through hole with first through hole；Or the regulation button is rotated, make on swivel becket Third through-hole and the second through hole insertion.

Optionally, the first through hole semicircular in shape, the plug is in the semicircle matched with first through hole shape.

Optionally, the semicircle that complete circle notch is constituted with first through hole is provided with the end face of first cavity Shape blind slot, the plug is stretched in the notch.

Optionally, circuit board is fixed with the end face of first cavity, is provided with the circuit board logical with first Hole insertion fourth hole together, the plug on the support is combined together with fourth hole；Regulation button and the magnetic The matching relationship of yoke is as follows：The regulation button is rotated, the third through-hole on swivel becket is staggered with second through hole, and make Plug on support staggers to open the fourth hole with fourth hole；Or the regulation button is rotated, make on swivel becket Third through-hole and the second through hole insertion.

Optionally, the fourth hole semicircular in shape, the plug is in the semicircle matched with fourth hole shape.

Optionally, the semicircle that complete circle notch is constituted with fourth hole is provided with the end face of the circuit board Blind slot, the plug is stretched in the notch.

Optionally, the multiple second through hole is evenly distributed on the circumferencial direction of the second cavity.

Optionally, the swivel becket is stuck in the annular groove groove that first cavity wall is set.

Optionally, the swivel becket is together with the side wall interference fit of first cavity.

Optionally, also including closing the housing of the yoke inner chamber, and be fixed in yoke inner chamber magnet, shake Film, magnetic conductive board, are provided with voice coil loudspeaker voice coil on the vibrating diaphragm, and the free end of the voice coil loudspeaker voice coil stretches to the gap between magnet and yoke In.

Loudspeaker of the present utility model, by adjusting button, can be such that the inner chamber of loudspeaker connects with extraneous by different through holes Logical this allows for be selected by through-hole aperture, quantity together, so as to reach regulation tone quality of horn effect Purpose.

By referring to the drawings to the detailed description of exemplary embodiment of the present utility model, it is of the present utility model other Feature and its advantage will be made apparent from.

Brief description of the drawings

The Description of Drawings embodiment of the present utility model of a part for specification is constituted, and is used together with the description In explanation principle of the present utility model.

Schematic diagram when Fig. 1, Fig. 2 are two kinds of different conditions of the utility model loudspeaker.

Fig. 3 is the explosive view of the utility model loudspeaker.

Fig. 4 is the structural representation of circuit board and yoke in the utility model loudspeaker.

Specific embodiment

Describe various exemplary embodiments of the present utility model in detail now with reference to accompanying drawing.It should be noted that：Unless another Illustrate outward, the part and the positioned opposite of step, numerical expression and numerical value for otherwise illustrating in these embodiments are not limited Make scope of the present utility model.

The description only actually at least one exemplary embodiment is illustrative below, never as to this practicality New and its application or any limitation for using.

May be not discussed in detail for technology and equipment known to person of ordinary skill in the relevant, but in appropriate situation Under, the technology and equipment should be considered as a part for specification.

In all examples shown here and discussion, any occurrence should be construed as merely exemplary, without It is as limitation.Therefore, other examples of exemplary embodiment can have different values.

It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi It is defined in individual accompanying drawing, then it need not be further discussed in subsequent accompanying drawing.

With reference to Fig. 1, Fig. 3, the utility model provides a kind of loudspeaker, including the yoke 3 with inner chamber and solid with yoke 3 Housing 8 together is scheduled on, the openend of yoke 3 is fixed on by housing 8, such that it is able to the openend of yoke 3 is closed. The magnetic conductive board 5 for magnet 4 being provided with the inner chamber of yoke 3 and being fixed on the end face of magnet 4, the magnet 4 can be fixed on yoke 3 The middle part of inner chamber, it constitutes magnetic gap and the inwall of yoke 3 between.

Loudspeaker of the present utility model also include vibrating diaphragm 7, and the vibrating diaphragm 7 can be fixed in yoke 3, and by the vibrating diaphragm 7 The preceding operatic tunes of loudspeaker, the rear operatic tunes are isolated, voice coil loudspeaker voice coil 6 has been additionally provided with the vibrating diaphragm 7, the free end of the voice coil loudspeaker voice coil 6 has been stretched into Into magnetic gap.After voice coil loudspeaker voice coil 6 is powered, voice coil loudspeaker voice coil 6 can vibrate in the presence of magnetic circuit system, and at the same time, voice coil loudspeaker voice coil 6 drives vibrating diaphragm 7 together vibrate, it is achieved thereby that the sounding of vibrating diaphragm 7.

Above-mentioned yoke, magnet, the fit structure of vibrating diaphragm belong to the common knowledge of those skilled in the art, and the utility model is only It is to list one of which specifically to implement structure, for a person skilled in the art, the magnetic in the utility model loudspeaker Road can be internal magnetization, external magnetic type, two magnetic route structure etc., and the specific configuration at this to trumpet is not specifically limited.

Yoke of the present utility model 3, it has the first cavity 3a, the second cavity 3b being connected together, with reference to Fig. 4, institute State the first cavity 3a and the second cavity 3b to be connected together, constitute the yoke 3 with inner chamber.Wherein, the second cavity 3b External diameter more than the first cavity 3a internal diameter so that both it connect position form step 3c.In first cavity The connection inner chamber of yoke 3 is provided with the end face of 3a and is located at step 3c with the first through hole 3f, the second cavity 3b in the external world To be provided with multiple inner chambers of the yoke 3 that are respectively communicated with preferred with second the through hole 3d, the plurality of second through hole 3d in the external world for position It is evenly distributed on the circumferencial direction of the second cavity 3b.

Circuit board 2 is provided with the end face of the first cavity 3a, each circuit of the present utility model is arranged at the electricity On road plate 2.The circuit board 2 can be fixed on the end face of the first cavity 3a by way of bonding, in order that the first cavity 3a First through hole 3f can expose, the fourth hole 2a together with first through hole 3f insertions is provided with the circuit board 2, This inner chamber for allowing for yoke can be in communication with the outside together by first through hole 3f, the second through hole 2a.

Loudspeaker of the present utility model, also including the adjusting knob 1 being rotatably connected in the yoke 3, with reference to Fig. 1, Fig. 3, The adjusting knob 1 includes that the swivel becket 1a, the swivel becket 1a that are rotatably connected on the step 3c positions of the yoke 3 are enclosed within first Cavity 3a outsides, allow it to be rotated relative to yoke 3.Second is provided with the swivel becket 1a and the second cavity 3b to lead to The end contact of hole 3d is together so that the second through hole 3d on the second cavity 3b can be closed by swivel becket 1a. In one specific embodiment of the utility model, the swivel becket 1a can be stuck in what the first cavity 3a sides wall was set In annular groove groove, such that it is able to prevent coming off for swivel becket 1a；Can also be that the swivel becket 1a is with the first cavity 3a's Side wall interference fit together, it is necessary to overcome the adhesion ability between swivel becket 1a and the first cavity 3a when regulation Realize the rotation of swivel becket 1a.

The multiple third through-hole 1b for being combined together with the second through hole 3d are provided with the swivel becket 1a, this is more Individual third through-hole 1b is consistent with the distribution form of the second through hole 3d, rotates the swivel becket 1a so that can be by third through-hole 1b Get up with the second through hole 3d insertions on the second cavity 3b, to open the passage of the connection inner chamber of yoke 3 and the external world；Work as needs When closing, the swivel becket 1a is rotated so that third through-hole 1b staggers with the second through hole 3d, so that the end of swivel becket 1a Be closed for the second through hole 3d on second cavity 3b by face.

Adjusting knob of the present utility model 1 also includes the support 1c being fixed on swivel becket 1a, is set on the support 1c Be equipped with for circuit board 2 on fourth hole 2a coordinate plug 1d；The end face of the first cavity 3a is arranged on due to circuit board 2 On, one end of the support 1c can be fixed on swivel becket 1a, and the other end is extended on the end face of circuit board 2, by the support 1c Plug 1d can be made to be combined together with the fourth hole 2a on circuit board 2.Rotate the swivel becket 1a so that the plug 1d Can stagger with fourth hole 2a, now the inner chamber of the yoke 3 can be connected by first through hole 3f, fourth hole 2a with extraneous Lead to together；It is rotated further the swivel becket 1a so that the plug 1d can be completely or partially overlap with fourth hole 2a Together, with completely close or part close the fourth hole 2a.

Wherein, third through-hole 1b, the plug 1d on the regulation button 1 and the second through hole 3d, the cooperation of fourth hole 2a Relation is：The regulation button 1 is rotated, third through-hole 1b and the second through hole 3d on swivel becket 1a is staggered, and make branch Plug 1d and fourth hole 2a on frame 1c staggers to open the fourth hole 2a；Or the regulation button 1 is rotated, make to turn Third through-hole 1b and the second through hole 3d insertions on rotating ring 1a.

That is, when regulation is needed, regulation button 1 can be rotated, make the third through-hole 1b on swivel becket 1a Stagger with the second through hole 3d on the second cavity 3b, so that swivel becket 1a bodies close the second through hole 3d, and make Plug 1d and fourth hole 2a on support 1c staggers, so as to open the fourth hole 2a so that the inner chamber of loudspeaker (sound afterwards Chamber) only it is in communication with the outside together by first through hole 3f, fourth hole 2a, with reference to Fig. 1

Or, rotate regulation button 1 so that on third through-hole 1b and the second cavity 3b on swivel becket 1a the Together, the inner chamber (operatic tunes afterwards) of loudspeaker is in communication with the outside one by the second through hole 3d, third through-hole 1b for two through hole 3d insertions Rise, with reference to Fig. 2.

Loudspeaker of the present utility model, by adjusting button, can be such that the inner chamber of loudspeaker connects with extraneous by different through holes Logical this allows for be selected by through-hole aperture, quantity together, so as to reach regulation tone quality of horn effect Purpose, improves the range of application of loudspeaker.

For example when design, can select the second through hole 3d, third through-hole 1b that there is less aperture, and first is logical Hole 3f, fourth hole 2a have larger aperture.When the after operatic tunes of loudspeaker is connected by first through hole 3f, fourth hole 2a with extraneous When logical, the Fo of loudspeaker can be lifted so that the loudspeaker can apply to In-Ear Headphones.When the after operatic tunes of loudspeaker passes through second When through hole 3d, third through-hole 1b are in communication with the outside so that loudspeaker can have relatively low Fo, its LF-response is preferable, the loudspeaker Can apply to Supra-aural headphone.It should be noted that when Supra-aural headphone is selected, now no matter the rear operatic tunes of loudspeaker is No to be in communication with the outside by first through hole, fourth hole, the low-frequency effect influence on loudspeaker will not be very big.

The utility model one preferred embodiment in, in order that plug 1d can be by first through hole 3f, four-way Hole 2a is completely enclosed, and selects the semicircle that is shaped as of the fourth hole 2a, and the plug 1d is in and fourth hole 2a shapes The semicircle that shape matches.The plug 1d is concentric with fourth hole 2d so that the plug 1d can be complete with fourth hole 2a Full weight is stacked, by fourth hole 2a closings；Or the plug 1d can completely stagger with fourth hole 2a, to open The fourth hole 2a.

It may further be preferable that be provided with the end face of the circuit board 2 constituting complete circle groove with fourth hole 2a Mouthful semicircle blind slot 2b, with reference to Fig. 4, that is to say, that the both sides of circuit board 2 described in the half insertion of the circular notch form the Four through hole 2d, second half then forms blind slot 2b.When assembling, the plug 1d is stretched in the notch so that plug 1d Rotated in the notch, to realize the opening and closing of fault of fourth hole 2a.

The above-mentioned regulation so that circuit board 2 is arranged on the end face of the first cavity 3a as an example to the utility model loudspeaker is carried out Illustrate, for a person skilled in the art, it is also possible to which circuit board 2 is arranged on other position.Now, in order to realize loudspeaker Regulation, the first through hole 3f that the plug 1d can be directly with the first cavity 3a is combined together, and the cooperation between them is closed System is similar with fourth hole 2b, and selection first through hole 3f allows plug 1d to be completely closed for semicircle, select the Semicircle blind slot structure etc. is set on the end face of one cavity 3a, it is similar with the set-up mode on circuit board 2, therefore herein no longer Repeated.

Although being described in detail to some specific embodiments of the present utility model by example, this area It is to be understood by the skilled artisans that above example is merely to illustrate, rather than in order to limit scope of the present utility model.This Field it is to be understood by the skilled artisans that can be in the case where scope and spirit of the present utility model not be departed from, to above example Modify.Scope of the present utility model is defined by the following claims.

Claims (10)

1. a kind of loudspeaker, it is characterised in that：Including the yoke (3) with inner chamber, the yoke (3) is with for being connected together One cavity (3a), the second cavity (3b), the internal diameter of the external diameter more than the first cavity (3a) of second cavity (3b), the two is at it Junction forms step (3c)；

The first through hole (3f) for connecting the inner chamber, second cavity are provided with the end face of first cavity (3a) The position that (3b) is located at step (3c) is provided with multiple the second through holes (3d) for being respectively communicated with the inner chamber；Also include adjusting knob (1), the adjusting knob (1) including be rotatably connected on the yoke (3) step (3c) position and with the second cavity (3b) on set The end contact of the second through hole (3d) swivel becket (1a) together is equipped with, and is fixed on the support on swivel becket (1a) (1c), is provided with the multiple third through-holes for being combined together with multiple second through holes (3d) on the swivel becket (1a) (1b), is provided with the plug (1d) for coordinating with first through hole (3f) on the support (1c)；It is described regulation button (1) with The matching relationship of yoke (3) is as follows：Rotate regulation button (1), make third through-hole (1b) on swivel becket (1a) with it is described Second through hole (3d) staggers, and makes the plug (1d) on support (1c) stagger to open the first through hole with first through hole (3f) (3f)；Or regulation button (1) is rotated, make the third through-hole (1b) on swivel becket (1a) and the second through hole (3d) insertion.

2. loudspeaker according to claim 1, it is characterised in that：First through hole (3f) semicircular in shape, the plug (1d) is in the semicircle matched with first through hole (3f) shape.

3. loudspeaker according to claim 2, it is characterised in that：It is provided with the end face of first cavity (3a) and One through hole (3f) constitutes the semicircle blind slot of complete circle notch, and the plug (1d) is stretched in the notch.

4. loudspeaker according to claim 1, it is characterised in that：Circuit board is fixed with the end face of first cavity (3a) (2) fourth hole (2a) together with first through hole (3f) insertion, the support (1c), are provided with the circuit board (2) On plug (1d) be combined together with fourth hole (2a)；Regulation button (1) is as follows with the matching relationship of yoke (3)： Regulation button (1) is rotated, the third through-hole (1b) on swivel becket (1a) is staggered with second through hole (3d), and make branch Plug (1d) on frame (1c) staggers to open the fourth hole (2a) with fourth hole (2a)；Or the rotation regulation is pressed Button (1), makes the third through-hole (1b) on swivel becket (1a) and the second through hole (3d) insertion.

5. loudspeaker according to claim 4, it is characterised in that：Fourth hole (2a) semicircular in shape, the plug (1d) is in the semicircle matched with fourth hole (2a) shape.

6. loudspeaker according to claim 5, it is characterised in that：It is provided with the end face of the circuit board (2) and the 4th Through hole (2a) constitutes the semicircle blind slot (2b) of complete circle notch, and the plug (1d) is stretched in the notch.

7. loudspeaker according to any one of claim 1 to 6, it is characterised in that：The multiple second through hole (3d) is uniformly divided Cloth is on the circumferencial direction of the second cavity (3b).

8. loudspeaker according to claim 1, it is characterised in that：The swivel becket (1a) is stuck in the first cavity (3a) side In the annular groove groove that wall is set.

9. loudspeaker according to claim 1, it is characterised in that：The side of the swivel becket (1a) and first cavity (3a) Wall interference fit is together.

10. loudspeaker according to claim 1, it is characterised in that：Also include the housing (8) of closing yoke (3) inner chamber, And magnet (4), vibrating diaphragm (7), magnetic conductive board (5) in yoke (3) inner chamber are fixed on, it is provided with voice coil loudspeaker voice coil on the vibrating diaphragm (7) (6) during, the free end of the voice coil loudspeaker voice coil (6) stretches to the gap between magnet (4) and yoke (3).