CN203416408U - Vibration sounder - Google Patents
Vibration sounder Download PDFInfo
- Publication number
- CN203416408U CN203416408U CN201320437474.3U CN201320437474U CN203416408U CN 203416408 U CN203416408 U CN 203416408U CN 201320437474 U CN201320437474 U CN 201320437474U CN 203416408 U CN203416408 U CN 203416408U
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- China
- Prior art keywords
- sounding device
- vibration sounding
- stator
- vibration
- shell
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Abstract
The utility model provides a vibration sounder. The vibration sounder comprises a stator, a rotor and a housing; the stator is provided with an upper surface facing the rotor; the rotor comprises a vibration plate which is arranged above the stator and is separated from the stator by a certain distance; the housing comprises a top wall which is far away from a first surface of the stator, and a first through hole which penetrates the top wall; the vibration plate is provided with a body portion which is accommodated in the housing and a protruding portion which extends from the body portion and protrudes out from the first through hole; the body portion is provided with a lower surface; a second gap is arranged between the lower surface of the body portion and the upper surface of the stator; the vibration sounder further comprises a limiting pad which is connected with the housing; the limiting pad is provided with a second surface which abuts against the protruding portion; a first gap is arranged between the second surface and the first surface; and the height of the first gap is smaller than that of the second gap. With the vibration sounder of the utility model adopted, noise generated in operation can be decreased.
Description
[technical field]
The utility model relates to a kind of acoustical generator, relates in particular to a kind of vibration sounding device.
[background technology]
In the process of the portable equipment fast developments such as mobile phone, people are more and more stronger to the Functional Requirement of mobile terminal, and the development of acoustical generator is corresponding quickening also.Vibration sounding device can drive coupled resonance media vibration sounding, due to small volume and have good low frequency audio, is widely used just gradually.
The vibration sounding device of correlation technique comprises stator, mover and the shell of accommodating described stator and mover.Described shell is direct and resonance medium contact conventionally, easily produces noise.In addition, during the work of vibration sounding device, mover is subject to the magneticaction up-down vibration of stator, and when magnetic force is larger, mover and stator easily bump, thereby produces noise.
Therefore, being necessary to propose a kind of new vibration sounding device overcomes the problems referred to above in fact.
[utility model content]
The purpose of this utility model is to solve the souffle problem that said structure causes, and a kind of vibration sounding device that can effectively reduce noise is provided.
The technical solution of the utility model is as follows: a kind of vibration sounding device, involving vibrations acoustical generator monomer, described vibration sounding device monomer comprises stator, mover and the shell of accommodating described stator and mover, described stator is provided with the upper surface towards described mover, described mover comprise be positioned at described stator top and with described stator oscillating plate separated by a distance, described shell comprises and being provided with away from the roof of the first surface of described stator and the first through hole that connects described roof, described oscillating plate is provided with the body of accommodating in the enclosure and the protuberance that extends and protrude from described the first through hole from body, described body is provided with lower surface, between the lower surface of described body and the upper surface of described stator, be provided with the second gap, described vibration sounding device also comprises the spacing pad being connected with described shell, described spacing spacer has the second surface connecting with described protuberance, between described second surface and described first surface, be provided with the first gap, the height in described the first gap is less than the height in described the second gap.
Preferably, described mover also comprises spring, and described spring comprises the inner ring being connected with the main part of described oscillating plate, the second through hole being surrounded by described inner ring, is fixed on described shell the outer ring separated by a distance with described inner ring and the connecting portion that is connected described inner ring and outer ring.
Preferably, the aperture of described the first through hole is greater than the aperture of described the second through hole.
Preferably, the body involving vibrations portion of described oscillating plate and the convex extension part of extending and being connected with described inner ring away from described stator from described vibration section, described protuberance is connected with described convex extension part and is contained in described the second through hole.
Preferably, described shell also comprises from the bending of described roof and extends and surround the sidewall of receiving space and the extension extending towards the direction bending away from described receiving space from described sidewall with described roof.
Preferably, described spacing pad comprises top and from described top, extends and surround the barricade of the host cavity of accommodating described shell with described top, and the sidewall of described shell is held in described barricade.
Preferably, described spacing paying somebody's debt and expecting repayment later comprises that from described top the direction of extending towards described barricade extends and be positioned at the some fixed parts outside described host cavity, and described extension is fixed on described fixed part.
Preferably, described vibration sounding device also comprises backboard, and described vibration sounding device monomer solid fixes on described backboard.
Preferably, backboard is provided with the breach that connects described backboard, and described vibration sounding device monomer segment is contained in described breach.
Preferably, described vibration sounding device comprises four vibration sounding device monomers, and described the 3rd surface is rectangle, which is provided with four breach, described breach lays respectively at four jiaos of described the 3rd surface, and described four vibration sounding device monomers are contained in respectively described four breach.
The beneficial effects of the utility model are: spacing pad is set on shell, can when vibration sounding device and resonance medium contact, plays the effect of buffering and absorption, the noise producing when preventing vibration sounding device and resonating media impact; Utilize the Oscillation Amplitude of spacing pad constrained vibration plate simultaneously, avoid the noise because of mover and stator collision generation.
[accompanying drawing explanation]
Fig. 1 is the three-dimensional combination figure of the utility model vibration sounding device;
Fig. 2 is the three-dimensional combination figure of the vibration sounding device monomer of the utility model vibration sounding device;
Fig. 3 is the three-dimensional exploded view of the vibration sounding device monomer of the utility model vibration sounding device;
Fig. 4 is the upward view of the spacing pad of the utility model vibration sounding device;
Fig. 5 is the upward view of the vibration sounding device monomer of the utility model vibration sounding device;
Fig. 6 is the profile that Fig. 2 cuts open along A-A line;
Fig. 7 is the enlarged drawing of B part in Fig. 6;
Fig. 8 is the three-dimensional exploded view of the utility model vibration sounding device.
[embodiment]
The utility model is described in further detail as example below in conjunction with drawings and embodiments, to take vibration sounding device.
As shown in Figure 1, the utility model vibration sounding device 3 comprises backboard 2 and is fixed on four vibration sounding device monomers 1 on described backboard 2.
As shown in Fig. 2-7, described vibration sounding device monomer 1 comprises stator 11, is positioned at described stator 11 top movers 12, accommodates shell 10, the spacing pad 13 being connected with described shell 10 of described stator 11 and mover 12 and be fixed on the conducting terminal 14 on described stator 11.
Described shell 10 comprises roof 101, from described roof 101 bendings, extends and form the sidewall 102 of receiving space 104 and the extension 103 extending towards the direction bending away from described receiving space 104 from described sidewall 102 with described roof 101.Described roof 101 is provided with away from the first surface 1011 of described stator 11 and the first through hole 100 of connecting described roof 101.
Described stator 11 comprise magnetic core 111, around described magnetic core 111 arrange and with described magnetic core 111 form magnetic gap 110 magnet steel 112, support the yoke 113 of described magnetic core 111 and magnet steel 112 and be contained in described magnetic gap 110 and be fixed on the coil 120 in described yoke 113.Described stator 11 is provided with the upper surface 1100 towards described mover 12.Described conducting terminal 14 is fixed on described yoke 113.
Described mover 12 comprises and is arranged on the oscillating plate 121 of described stator 11 tops and the spring 122 that simultaneously connects described shell 10 and oscillating plate 121.
Described spring 122 comprises the inner ring 1221 being connected with described oscillating plate 121, the second through hole 1220 being surrounded by described inner ring 1221, is fixed on described shell 10 outer ring 1222 separated by a distance with described inner ring 1221 and the connecting portion 1223 that is connected described inner ring 1221 and outer ring 1222.
Described oscillating plate 121 comprises the body 1211 that is contained in described shell 10 and the protuberance 1212 that extends and protrude from described the first through hole 100 from described body 1211.The convex extension part 1214 that described body 1211 involving vibrations portions 1213 extend away from described stator 11 with from described vibration section 1213 and are connected towards the one side of described stator with described inner ring 1221, described protuberance 1212 is connected and is contained in described the second through hole 1220 with one end away from described stator 11, described convex extension part 1214.
The aperture of described the first through hole 100 is greater than the aperture of described the second through hole 1220, can make the connecting portion 1223 of described spring 122 unhinderedly through described the first through hole 100, thereby make oscillating plate 121 up-down vibration.
Described vibration section 1213 is provided with the lower surface 1210 towards described stator 11, between described lower surface 1210 and the upper surface 1100 of described stator 11, is provided with the second gap 2000.
Described spacing pad 13 comprises top 131 and 131 extends and surround the barricade 132 of the host cavity 130 of accommodating described shell 10 with described top 131 from described top.Described top 131 be provided with towards described first surface 1011 and with the second surface 1310 of described protuberance 1212 butts, the sidewall 102 of described shell 10 is connected to described barricade 132.
Between described second surface 1310 and described first surface 1011, be provided with the first gap 1000.The height in described the first gap 1000 is d1, and the height in described the second gap 2000 is d2, when vibration sounding device 1 is not worked, and d1 < d2.The height in the first gap 1000 is less than the height in the second gap 2000, that is to say, oscillating plate 121 is exactly d1 to the distance maximum of bottom offset, and d1<d2 so oscillating plate 121 can not collide stator 11, thereby has effectively reduced noise.
Described spacing pad 13 also comprises the direction extension of extending towards described barricade 132 from described top 131 and is positioned at the some fixed parts 133 outside described host cavity 130, described extension 103 can adopt variety of way well known in the art to be fixed on described fixed part 133, as used glue bonding.
As shown in Fig. 1 and Fig. 8, the backboard 2 of the utility model vibration sounding device 3 is provided with rectangular the 3rd surface 21, connects four breach 20 of described backboard 2 and the some fixing holes 22 that are arranged on described breach 20 peripheries.Described four breach 20 lay respectively at four jiaos of described the 3rd surface 21, and the barricade 132 of described spacing pad 13 is contained in described breach 20, and the fixed part 133 of described spacing pad 13 is fixed on described backboard 2 by described fixing hole 22 by rivet.In other embodiments, vibration sounding device monomer 1 also can be fixed on backboard 2 by other conventional fixed forms.For making vibration sounding device 1 more attractive in appearance, the upper surface of described spacing pad 13 can be made level and smooth plane.
During 1 energising of vibration sounding device, in coil 120, pass into alternating current and produce alternating magnetic field, and magnetic core 111 and magnet steel 112 produce magnetostatic field, because oscillating plate 121 is ironys, can under the effect of alternating magnetic field and magnetostatic field, vibrate.During oscillating plate 121 vibration, the resonance media (for example desktop) that can drive described backboard 2 and 13 vibrations of spacing pad driving to contact with described spacing pad 13 vibrates, described spacing pad 13 can play the effect of buffering and absorption, prevents that vibration sounding device 1 and the direct collision of vibration medium from producing noise.
In the present embodiment, the material of described spacing pad 13 is silica gel, and in other embodiments, spacing pad can be also other elastomeric materials such as foam.
Above-described is only execution mode of the present utility model; at this, it should be pointed out that for the person of ordinary skill of the art, do not departing under the prerequisite of the utility model creation design; can also make improvement, but these all belong to protection range of the present utility model.
Claims (10)
1. a vibration sounding device, involving vibrations acoustical generator monomer, described vibration sounding device monomer comprises stator, mover and the shell of accommodating described stator and mover, it is characterized in that: described stator is provided with the upper surface towards described mover, described mover comprise be positioned at described stator top and with described stator oscillating plate separated by a distance, described shell comprises and being provided with away from the roof of the first surface of described stator and the first through hole that connects described roof, described oscillating plate is provided with the body of accommodating in the enclosure and the protuberance that extends and protrude from described the first through hole from body, described body is provided with lower surface, between the lower surface of described body and the upper surface of described stator, be provided with the second gap, described vibration sounding device also comprises the spacing pad being connected with described shell, described spacing spacer has the second surface connecting with described protuberance, between described second surface and described first surface, be provided with the first gap, the height in described the first gap is less than the height in described the second gap.
2. vibration sounding device according to claim 1, it is characterized in that: described mover also comprises spring, described spring comprises the inner ring being connected with the main part of described oscillating plate, the second through hole being surrounded by described inner ring, is fixed on described shell the outer ring separated by a distance with described inner ring and the connecting portion that is connected described inner ring and outer ring.
3. vibration sounding device according to claim 2, is characterized in that: the aperture of described the first through hole is greater than the aperture of described the second through hole.
4. vibration sounding device according to claim 2, it is characterized in that: the body involving vibrations portion of described oscillating plate and the convex extension part of extending and being connected with described inner ring away from described stator from described vibration section, described protuberance is connected with described convex extension part and is contained in described the second through hole.
5. vibration sounding device according to claim 1, is characterized in that: described shell also comprises from described roof bending and extends and surround the sidewall of receiving space and the extension extending towards the direction bending away from described receiving space from described sidewall with described roof.
6. vibration sounding device according to claim 5, is characterized in that: described spacing pad comprises top and from described top, extend and surround the barricade of the host cavity of accommodating described shell with described top, and the sidewall of described shell is held in described barricade.
7. vibration sounding device according to claim 6, is characterized in that: described spacing paying somebody's debt and expecting repayment later comprises that the direction of extending towards described barricade from described top extends and be positioned at the some fixed parts outside described host cavity, and described extension is fixed on described fixed part.
8. vibration sounding device according to claim 1, is characterized in that: described vibration sounding device also comprises backboard, and described vibration sounding device monomer solid fixes on described backboard.
9. vibration sounding device according to claim 8, is characterized in that: backboard is provided with the breach that connects described backboard, and described vibration sounding device monomer segment is contained in described breach.
10. vibration sounding device according to claim 9, it is characterized in that: described vibration sounding device comprises four vibration sounding device monomers, the 3rd surface is rectangle, which is provided with four breach, described breach lays respectively at four jiaos of described the 3rd surface, and described four vibration sounding device monomers are contained in respectively described four breach.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320437474.3U CN203416408U (en) | 2013-07-23 | 2013-07-23 | Vibration sounder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320437474.3U CN203416408U (en) | 2013-07-23 | 2013-07-23 | Vibration sounder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203416408U true CN203416408U (en) | 2014-01-29 |
Family
ID=49979262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320437474.3U Expired - Fee Related CN203416408U (en) | 2013-07-23 | 2013-07-23 | Vibration sounder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203416408U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110933565A (en) * | 2019-11-27 | 2020-03-27 | 浙江省东阳市东磁诚基电子有限公司 | Novel screen sounding exciter and implementation method thereof |
-
2013
- 2013-07-23 CN CN201320437474.3U patent/CN203416408U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110933565A (en) * | 2019-11-27 | 2020-03-27 | 浙江省东阳市东磁诚基电子有限公司 | Novel screen sounding exciter and implementation method thereof |
| CN110933565B (en) * | 2019-11-27 | 2021-02-26 | 浙江省东阳市东磁诚基电子有限公司 | Novel screen sounding exciter and implementation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140129 Termination date: 20210723 |