CN113993040A - Loudspeaker center positioning amplitude limiter and loudspeaker - Google Patents

Abstract

The application provides a loudspeaker center location clipper-limiter, including central setting element and two bullet ripples, the central setting element has first spacing portion, the spacing portion of second and the spacing portion of third, and the both ends of the spacing portion of second are located to first spacing portion and the spacing portion of third, and the external diameter of first spacing portion and the spacing portion of third is less than the external diameter of the spacing portion of second, and first spacing portion is located to one of them bullet ripples, and another bullet ripples is located the spacing portion of third. Install loudspeaker center location clipper-limiter in the middle of china department and U iron, through the cooperation of center location spare and two bullet ripples, work as loudspeaker, the voice coil loudspeaker voice coil vibration drives two bullet ripples vibrations, because two bullet ripples set up lessly, vibration range is less, is convenient for make slim loudspeaker.

Description

Loudspeaker center positioning amplitude limiter and loudspeaker

Technical Field

The invention relates to the technical field of loudspeakers, in particular to a loudspeaker center positioning amplitude limiter and a loudspeaker.

Background

The importance of the speaker in the car audio system is more prominent, and the technical requirements and difficulty level are much higher than those of the household audio system in order to make the car speaker show excellent timbre and location feeling. Because the car inner space is narrower, present vehicle loudspeaker bullet ripples all locates between voice coil loudspeaker voice coil and the basin frame, and the diameter of bullet ripples is all big than the voice coil loudspeaker voice coil for loudspeaker during operation vibration amplitude is all relatively bigger, so guaranteeing under the original structure of vehicle loudspeaker, hardly make vehicle loudspeaker both possess high-quality audio, can make ultra-thin volume again, for the narrow space of adaptation car.

Disclosure of Invention

To the not enough of prior art, this application provides a loudspeaker center location clipper-limiter.

The application discloses loudspeaker center location clipper-limiter includes: the central positioning piece is provided with a first limiting part, a second limiting part and a third limiting part, the first limiting part and the third limiting part are arranged at two ends of the second limiting part, the outer diameters of the first limiting part and the third limiting part are smaller than that of the second limiting part, one elastic wave is arranged at the first limiting part, and the other elastic wave is arranged at the third limiting part.

Preferably, the elastic wave type elastic wave damper further comprises a limiting part, two hollow ends of the interior of the limiting part are opened, the two elastic waves cover the two openings respectively, the first limiting part and the third limiting part are exposed out of the limiting part, and the height of the limiting part is equal to that of the second limiting part.

Preferably, the elastic wave is provided with a ripple, the ripple is provided with wave crests and wave troughs, and the distance between two adjacent wave crests or two adjacent wave troughs is equal.

The utility model provides a loudspeaker, includes basin frame, china department, U iron, die, voice coil loudspeaker voice coil and any loudspeaker center location clipper-limiter of the aforesaid, the basin frame bottom is located to china department and U iron, the top of basin frame is located to the die, the voice coil loudspeaker voice coil around locating china department and being connected with the die, in the middle of china department is located to one of them bullet ripples, in the middle of another bullet ripples is located to U iron, two bullet ripples and basin frame and die fixed connection are worn out in proper order to central setting element, one of them bullet ripples is worn out to the spacing portion of third, another bullet ripples is worn out to first spacing portion and is connected with the die.

The beneficial effect of this application lies in: through setting up loudspeaker center location clipper-limiter between china department and U iron, work as loudspeaker, the voice coil loudspeaker voice coil drives the diaphragm vibration to drive loudspeaker center location clipper-limiter and be linear motion between china department and U iron, because two bullet ripples of loudspeaker center location clipper-limiter set up inside china department and U iron, the diameter is less, makes the bullet ripples less at the middle vibration range of china department and U iron, can do for a short time loudspeaker basin frame, is convenient for make slim loudspeaker.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a sectional view of a horn centering limiter according to an embodiment;

FIG. 2 is a schematic cross-sectional view of a center positioning member according to an embodiment;

FIG. 3 is a sectional view showing an internal structure of the horn according to the embodiment;

fig. 4 is a schematic structural diagram of an embodiment of a speaker (hidden voice coil).

Reference numerals:

1. a central positioning member; 11. a first limiting part; 12. a second limiting part; 13. a third limiting part; 14. a first step; 15. a second step;

2. elastic wave; 21. corrugation; 211. wave crest; 212. a trough of a wave; 22. a through hole;

3. a limiting member; 31. an opening; 32. an embedding part.

4. A basin stand;

5. washer;

6. iron U;

7. a stamper;

8. a voice coil.

Detailed Description

In the following description, numerous implementation details are set forth in order to provide a thorough understanding of the present invention. It should be understood, however, that these implementation details should not be used to limit the application. That is, in some embodiments of the present application, such practical details are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.

It should be noted that all the directional indications such as up, down, left, right, front and rear … … in the embodiment of the present application are only used to explain the relative positional relationship, movement, etc. between the components in a specific posture as shown in the drawings, and if the specific posture is changed, the directional indication is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in this application are for descriptive purposes only, not specifically referring to the order or sequence, nor are they intended to limit the application, but merely to distinguish components or operations described in the same technical terms, and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present application.

For further understanding of the content, features and effects of the present application, the following embodiments are exemplified in conjunction with the accompanying drawings and the following detailed description:

example one

Referring to fig. 1 to 3, fig. 1 is a cross-sectional view of a horn centering limiter in the present embodiment, fig. 2 is a cross-sectional view of a centering element in the present embodiment, and fig. 3 is a cross-sectional view of an internal structure of a horn in the present embodiment. In this example, the horn centering limiter includes a centering member 1 and two elastic waves 2, wherein one elastic wave 2 is connected to one end of the centering member 1, and the other elastic wave 2 is connected to the other end of the centering member 1. In this example, the two elastic waves 2 and the center positioning member 1 are fixed by glue.

The center positioning piece 1 is provided with a first limiting part 11, a second limiting part 12 and a third limiting part 13, the outer diameters of the first limiting part 11 and the third limiting part 13 are smaller than the outer diameter of the second limiting part 12, the first limiting part 11 is connected with one end of the second limiting part 12, the third limiting part 13 is connected with the other end of the second limiting part 12, one elastic wave 2 is arranged on the first limiting part 11, and the other elastic wave 2 is arranged on the third limiting part 13.

The central positioning member 1 is cylindrical, the diameters of the first limiting portion 11 and the third limiting portion 13 are smaller than the diameter of the second limiting portion 12, a first step 14 is formed at the position where the first limiting portion 11 is connected with the second limiting portion 12, a second step 15 is formed at the position where the second limiting portion 12 is connected with the third limiting portion 13, the two elastic waves 2 are respectively arranged on the first step 14 and the second step 15, in the embodiment, through holes 22 are formed in the centers of the two elastic waves 2, the diameter of the first limiting portion 11 is matched with the diameter of the through hole 22 of one elastic wave 2, and the diameter of the third limiting portion 13 is matched with the diameter of the through hole 22 of the other elastic wave 2.

In order to facilitate later assembly and application, in this example, the horn center positioning limiter further includes a limiting member 3, two hollow end openings 31 are formed in the limiting member 3, when the center positioning member 1 and the two elastic waves 2 are mounted on the limiting member 3, one of the elastic waves 2 is disposed on the first limiting portion 11 and then covers one of the openings 31, the other elastic wave 2 is disposed on the third limiting portion 12 and then covers the other opening 31, in this example, the inner diameter of the limiting member 3 is matched with the outer diameter of the elastic wave 2, and the joint between the two elastic waves 2 and the limiting member 3 is fixed by glue. After the central positioning member 1 and the two elastic waves 2 are installed on the limiting member 3, the first limiting portion 11 is exposed out of one end of the limiting member 3, the third limiting portion 13 is exposed out of the other end of the limiting member 3, and the second limiting portion 12 is located inside the limiting member 3.

Preferably, in order to more conveniently mount and limit the damper 2, the two ends of the limiting member 3 are further provided with embedded portions 32, the embedded portions 32 are annularly arranged on the peripheries of the two openings 31, in this example, the inner diameter of the limiting member 3 plus the depth of the embedded portions 32 is greater than or equal to the outer diameter of the damper 2, the inner diameter of the limiting member 3 is smaller than the outer diameter of the damper 2, and when the damper 2 covers the openings 31, the periphery of the damper 2 is connected with the embedded portions 32. In particular, in installation, preferably, referring back to fig. 1, in order to limit the amplitude height of the elastic wave 2, in this example, the elastic wave 2 is provided with a corrugation 21, the section of the corrugation 21 is wave-shaped, and has a wave crest 211 and a wave trough 212, and the distance between two adjacent wave troughs 212 is equal to the distance between two adjacent wave troughs 212.

Example two

Referring to fig. 4 in addition to fig. 1-3, fig. 4 is a schematic structural diagram of a speaker (hidden voice coil) in the present embodiment. The loudspeaker in the embodiment comprises a basin frame 4, a washer 5, U-shaped iron 6, a die 7, a voice coil 8 and the loudspeaker center positioning amplitude limiter in the first embodiment, wherein the washer 5 and the U-shaped iron 6 are arranged at the bottom end of the basin frame 4, the die 7 is arranged at the top end of the basin frame 4, the voice coil 8 is wound on the washer 5 and connected with the die 7, the two elastic waves 2 are respectively arranged inside the washer 5 and the U-shaped iron 6, and the center positioning part 1 sequentially penetrates through the two elastic waves 2 and the basin frame 4 to be fixedly connected with the die 7. When loudspeaker during operation, voice coil 8 vibrates, drives the vibration of diaphragm 7, and diaphragm 7 drives central location spare 1 and play ripples 2 and vibrates in the middle of china department 5 and U iron, through two play ripples 2 and central location spare 1's cooperation for play ripples 2 reduces in the vibration range of china department 5 in the middle of, and the vibration of play ripples 2 also can not make diaphragm 7 vibration range too big, can make thin loudspeaker with basin frame 4 at the in-process of making loudspeaker, finally makes.

The fixed central point who locates loudspeaker of center location clipper-limiter puts and is connected with U iron 6 and the china department 5 of loudspeaker to be fixed in loudspeaker basin frame 4, when loudspeaker during operation, play ripples 2 and produce the vibration, because play ripples 2 locates between U iron 6 and the china department 5 of loudspeaker, the diameter of play ripples 2 is less, and the amplitude that produces when making play ripples 2 vibration is less, is convenient for make slim loudspeaker.

The stop member 3 is only required to be mounted on the washer 5, and one end of the first stop portion 11, which is far away from the second stop portion 12, is fixed on the die 7, so that the washer can be used.

The above are merely embodiments of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement or the like made within the spirit and principle of the present application shall be included in the scope of the claims of the present application.

Claims (4)

1. The loudspeaker center positioning amplitude limiter is characterized by comprising a center positioning piece (1) and two elastic waves (2), wherein the center positioning piece (1) is provided with a first limiting part (11), a second limiting part (12) and a third limiting part (13), the first limiting part (11) and the third limiting part (13) are arranged at two ends of the second limiting part (12), the outer diameters of the first limiting part (11) and the third limiting part (13) are smaller than the outer diameter of the second limiting part (12), one of the elastic waves (2) is arranged at the first limiting part (11), and the other elastic wave (2) is arranged at the third limiting part (13).

2. The loudspeaker center positioning amplitude limiter according to claim 1, further comprising a limiting member (3), wherein the limiting member (3) has a hollow interior and two openings (31) at two ends, the two elastic waves (2) cover the two openings (31), the first limiting portion (11) and the third limiting portion (13) are exposed out of the limiting member (3), and the height of the limiting member (3) is equal to the height of the second limiting portion (12).

3. A horn centring limiter according to claim 1 wherein the bullet wave (2) has a corrugation (21) formed thereon, the corrugation (21) having a peak (211) and a trough (212), the adjacent peaks (211) or troughs (212) being equally spaced.

4. A loudspeaker comprises a basin frame (4), a washer (5), a U-shaped iron (6), a die plate (7), a voice coil (8) and a loudspeaker center positioning limiter according to any one of claims 1 to 3, the washer (5) and the U-shaped iron (6) are arranged at the bottom end of the basin frame (4), the diaphragm (7) is arranged at the top end of the basin frame (4), the voice coil (8) is wound on the washer (5) and is connected with the diaphragm (7), one elastic wave (2) is arranged in the middle of the washer (5), the other elastic wave (2) is arranged in the middle of the U-shaped iron (6), the central positioning piece (1) sequentially penetrates through the two elastic waves (2) and the basin frame (4) to be fixedly connected with the template (7), the third limiting part (13) penetrates out of one elastic wave (2), and the first limiting part (1) penetrates out of the other elastic wave (2) to be connected with the die piece (7).

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