CN204647384U - A kind of air valve and loudspeaker - Google Patents
A kind of air valve and loudspeaker Download PDFInfo
- Publication number
- CN204647384U CN204647384U CN201520301114.XU CN201520301114U CN204647384U CN 204647384 U CN204647384 U CN 204647384U CN 201520301114 U CN201520301114 U CN 201520301114U CN 204647384 U CN204647384 U CN 204647384U
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- valve
- air
- valve block
- loudspeaker
- internal surface
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Abstract
The utility model discloses a kind of air valve and loudspeaker, the former comprises valve body (11), there is flexible valve block (12), run through in valve body (11), outer surface (11b, inlet hole (13) 11a), and run through in valve block (12), outer surface (12b, air outlet hole (14) 12a), valve block (12) and valve body (11) are tightly connected the ring packing district being formed and surround air outlet hole (14) and inlet hole (13), and the internal surface (12b) that the internal surface (11b) of valve body (11) covers air outlet hole (14) and/or valve block (12) covers inlet hole (13), the latter is provided with air valve of the present utility model.The utility model air valve utilizes the resiliently deformable of valve block to realize opening and closing, therefore lower thickness can be had, this makes the product perfect that it can be less with being such as Microspeaker equal-volume mate, and then is reduced in the difficulty of debugging this kind of Microspeaker in the confined space.
Description
Technical field
The utility model relates to electro-acoustic product technical field, especially a kind of air valve and apply the loudspeaker of this kind of air valve.
Background technique
Loudspeaker comprises housing and is arranged on the loudspeaker body on housing, there is in housing the back cavity being positioned at loudspeaker body rear, by regulating back cavity air pressure to make itself and tonal range adapt as a kind of debugging method, loudspeaker can be made all to produce more satisfactory audio frequency in each frequency range of frequency response.In order to realize the object regulating back cavity air pressure, on housing, air valve can be installed, with by the suction of intracavity gas after Air Valve Control and discharge, and then be realized the adjustment of back cavity air pressure by air valve.Existing air valve mainly comprises valve body, valve block and spring, valve block moves and realizes the unlatching of air valve under the effect of external and internal pressure difference in valve body, and under the reset response of spring, realize the closedown of air valve, existing air valve installs valve block due to needs in valve body, the assemblies such as spring, and need in valve body, form the space that can meet lift of valve plate and require, therefore, existing air valve generally has larger volume, which limits and utilize air valve to regulate back cavity air pressure to improve the application of technological means in Microspeaker of speaker performance, this Microspeaker is such as be applied in mobile phone, panel computer, loudspeaker on the electronic products such as multimedia player, and Microspeaker is more and more less owing to can carry out the space of performance adjustment for acoustical engineering personnel, if this kind of technological means cannot be applied again will directly cause the decline of Microspeaker performance.
Model utility content
An object of the present utility model is to provide a kind of air valve of compact structure, and this kind of air valve can be designed to be fabricated to easily has less volume, thinner thickness.
According to first aspect of the present utility model, provide a kind of air valve, comprise valve body, there is flexible valve block, run through the inlet hole on the inside and outside surface of described valve body, and run through the air outlet hole on inside and outside surface of described valve block, described valve block and described valve seal are connected to form the ring packing district surrounding all air outlet holes and all inlet holes, and the internal surface of described valve body covers described air outlet hole, and/or the internal surface of described valve block covers described inlet hole.
Preferably, described air valve also comprises screen cloth, and described screen cloth covers described air outlet hole, and is fixedly connected with described valve block.
Preferably, described screen cloth covers described air outlet hole in the internal surface side of described valve block, the internal surface of described valve body covers described air outlet hole, to make described screen cloth be folded between the internal surface of described valve body and the internal surface of described valve block, and the internal surface of described valve block and described inlet hole from.
Preferably, described inlet hole is positioned at the periphery of described air outlet hole.
Preferably, the internal surface of described valve body has the mounting groove caved inward, and described inlet hole is positioned at the bottom land of described mounting groove, and described valve block embeds in described mounting groove completely.
Preferably, described valve block is made up of polyurethane, PETG, polyethers ether copper, polycarbonate (PC), silica gel or thermoplastic elastomer.
Another object of the present utility model is to provide a kind of loadspeaker structure being easy to debug performance, and this kind of loudspeaker can be designed to be fabricated to easily has less volume, thinner thickness.
According to second aspect of the present utility model, provide a kind of loudspeaker, it loudspeaker body comprising housing and install on the housing, the back cavity leading to the vibrating diaphragm of described loudspeaker body is formed in described housing, described housing has at least one above-mentioned air valve described in any one as suction valve, the air outlet hole of described suction valve communicates with described back cavity; Described housing also has at least one above-mentioned air valve described in any one as gas outlet valve, the inlet hole of described gas outlet valve communicates with described back cavity.
Preferably, valve body and the described housing of described suction valve are one-body molded, and/or the valve body of described gas outlet valve and described housing one-body molded.
Preferably, described suction valve and described gas outlet valve divide be located at described housing different surfaces on.
Preferably, described housing comprises upper casing, mesochite and lower casing, described mesochite comprises mesochite body, described mesochite forms the first groove and the second groove respectively on two relative surfaces of described mesochite body, described second groove runs through described mesochite body and communicates with described first groove, and described loudspeaker body is arranged in described second groove; The edge of described upper casing and described second groove fastens, the edge of described lower casing and described first groove fastens, described lower casing is provided with the opening that described loudspeaker body is exposed, described loudspeaker body engages with the edge of described opening, to be closed described first groove and described second groove by fastening structure and snap-in structure, form described back cavity.
Inventor of the present utility model finds, in the prior art, have that air valve structure is comparatively complicated, volume is comparatively large, cause it cannot use on Microspeaker equal-volume and the less product of installing space, and then significantly limit the problem of application of air valve.Therefore, the technical assignment that the utility model will realize or technical problem to be solved are that those skilled in the art never expect or do not anticipate, therefore the utility model is a kind of new technological scheme.The valve block of resiliently deformable can be there is in air valve of the present utility model under the effect of external force by arranging, the structural design of gas check valve is closed in the recovery achieving the distortion utilizing the resiliently deformable of valve block to open air valve and to utilize valve block, this kind of structural design is due to the space without the need to arranging at valve inner for valve plate movement, also without the need to arranging the assemblies such as spring, therefore thinner thickness can be had, this makes air valve of the present utility model ideally can mate with volume and the less product of installing space, such as, air valve of the present utility model is applied on the Microspeaker that can install on more and more thinner electronic product, acoustic engineers just can debug this Microspeaker by the means regulating the air pressure of loudspeaker back cavity to make itself and tonal range adapt, and then greatly reduce the difficulty of debugging this kind of Microspeaker in limited space.
By referring to the detailed description of accompanying drawing to exemplary embodiment of the present utility model, further feature of the present utility model and advantage thereof will become clear.
Accompanying drawing explanation
In the description combined and the accompanying drawing forming a part for specification shows embodiment of the present utility model, and illustrate that one is used from and explains principle of the present utility model together with it.
Fig. 1 is a kind of cross-sectional schematic implementing structure according to the utility model air valve;
Fig. 2 is the decomposing schematic representation of air valve shown in Fig. 1;
Fig. 3 is a kind of schematic front view implementing structure according to the utility model loudspeaker;
Fig. 4 is the elevational schematic view of loudspeaker shown in Fig. 3;
Fig. 5 is the decomposing schematic representation of loudspeaker shown in Fig. 3;
Fig. 6 be in Fig. 3 A-A to cross-sectional schematic.
Description of reference numerals:
1-air valve; 11-valve body;
111-mounting groove; The outer surface of 11a-valve body;
The internal surface of 11b-valve body; 12-valve block;
The outer surface of 12a-valve block; The internal surface of 12b-valve block;
13-inlet hole; 14-air outlet hole;
15-screen cloth; 16-annular glue
2-housing; 1a-suction valve;
1b-gas outlet valve; 21-mesochite;
22-upper casing; 23-lower casing;
231-opening; 211-first groove;
212-second groove; 24-back cavity;
3-loudspeaker body; 31-vibrating diaphragm;
32-magnetic circuit assembly.
Embodiment
Various exemplary embodiment of the present utility model is described in detail now with reference to accompanying drawing.It should be noted that: unless specifically stated otherwise, otherwise positioned opposite, the numerical expression of the parts of setting forth in these embodiments and numerical value do not limit scope of the present utility model.
Illustrative to the description only actually of at least one exemplary embodiment below, never as any restriction to the utility model and application or use.
May not discuss in detail for the known technology of person of ordinary skill in the relevant, method and apparatus, but in the appropriate case, described technology, method and apparatus should be regarded as a part for specification.
In all examples with discussing shown here, any occurrence should be construed as merely exemplary, instead of as restriction.Therefore, other example of exemplary embodiment can have different values.
It should be noted that: represent similar terms in similar label and letter accompanying drawing below, therefore, once be defined in an a certain Xiang Yi accompanying drawing, then do not need to be further discussed it in accompanying drawing subsequently.
The utility model is such as problem on product that Microspeaker equal-volume and installing space are less to solve that existing air valve cannot be applied in because complex structure, volume are comparatively large, a kind of compact structure is provided, can be designed to be fabricated to the air valve with less volume, thinner thickness easily.As depicted in figs. 1 and 2, air valve 1 of the present utility model comprises valve body 11, there is flexible valve block 12, run through in valve body 11, outer surface 11a, the inlet hole 13 of 11b, and run through in valve block 12, outer surface 12a, the air outlet hole 14 of 12b, valve block 12 and valve body 11 are such as by annular glue 16, laser bonding etc. are tightly connected and form the ring packing district of all air outlet holes 14 of encirclement and all inlet holes 13, can only be communicated with the external world by inlet hole 13 and air outlet hole 14 to make the cavity between valve body 11 with valve block 12, the internal surface 11b of valve body 11 covers the internal surface 12b covering inlet hole 13 of (or claiming to hide) air outlet hole 14 and/or valve block 12, namely the internal surface 11b of valve body 11 is relative with the internal surface 12b of valve block 12.Above-mentioned " elasticity " refers to that valve block 12 has, under the External Force Acting of certain limit, resiliently deformable occurs, and (namely the internal surface 11b of valve body 11 covers air outlet hole 14 can to return to original state after this external force disappears completely, and/or the internal surface 12b of valve block 12 covers the state of inlet hole 13) character, meet the external force scope of resiliently deformable and the material of valve block 12, size is correlated with, this size mainly refers to thickness and the External Force Acting area of valve block 12, in actual applications, those skilled in the art need the valve block 12 according to the unlatching threshold value of the air valve 1 of setting and the external force CLV ceiling limit value design correspondence of air valve 1, specific requirement is: when the pressure difference of valve block 12 between the outer surface 12a side of the internal surface 12b side of valve block 12 and valve block 12 reaches (being namely greater than or equal to) this unlatching threshold value, resiliently deformable occurs, communicate with at least part of air outlet hole 14 to make at least part of inlet hole 13, and then air valve 1 is opened.
With when the size of valve block 12 is certain, carrying out coupling by material is example, and it is less to open threshold value, and the aeroelastic requirements of valve block 12 is larger, can certainly according to the unlatching threshold value of air valve 1 and external force CLV ceiling limit value, in conjunction with the size of the material design valve block 12 selected.In actual applications, as long as the selection of this valve block 12 material can meet above-mentioned specific requirement, such as above-mentioned valve block 12 can but be not limited to by polyurethane (be called for short polyurethane, PU), the macromolecular material such as PETG (PET), polyethers ether copper (PEEK), polycarbonate (PC) (PC), thermoplastic elastomer (TPR), silica gel makes, again such as above-mentioned valve block 12 also can but be not limited to and be made up of the tinsel such as aluminium, steel.
As depicted in figs. 1 and 2, the working principle of air valve 1 of the present utility model is:
When pressure difference between the outer surface 12a side of the internal surface 12b side of valve block 12 and valve block 12 is less than the unlatching threshold value of setting, cannot resiliently deformable be there is in valve block 12, the internal surface 12b keeping the internal surface 11b of valve body 11 to cover air outlet hole 14 and/or valve block 12 is covered the state of inlet hole 13 by air valve 1, now, gas cannot to flow out from (cavity namely between valve body 11 and valve block 12) air valve 1 and/or gas cannot enter in air valve 1 through inlet hole 13 through air outlet hole 14, path between inlet hole 13 and air outlet hole 14 is cut off, therefore air valve 1 is in closed condition, and the pressure of the outer surface 12a side of valve block 12 is larger, the covering effect of internal surface 11b to air outlet hole 14 of the valve body 11 covering effect of internal surface 12b to inlet hole 13 that be stronger and/or valve block 12 is stronger, the effect of the closedown gas circuit of air valve 1 is also better, therefore the one-way conduction effect of air valve 1 is achieved.And the pressure difference between the outer surface 12a side of the internal surface 12b side of valve block 12 and valve block 12 is when reaching the unlatching threshold value of setting, valve block 12 is because being sealed connected together in ring packing district and valve body 11, generation resiliently deformable is stretched, now, the internal surface 12b of valve block 12 is by the internal surface 11b away from valve body 11, make the internal surface 11b of valve body 11 to the covering effect of air outlet hole 14 and/or the internal surface 12b of valve block 12 to the covering event resolves of inlet hole 13, path between inlet hole 13 and air outlet hole 14 is connected, gas can enter in air valve 1 through suction port 13, and flow out from air valve through air outlet 14, therefore air valve 1 is in open mode, and the pressure of the internal surface 12b side of valve block 12 is larger, the degree that air valve 1 is opened is larger, the flow velocity of gas is faster.
As can be seen here, air valve of the present utility model 1 by arrange can meet open the External Force Acting of condition under there is the valve block 12 of resiliently deformable, the structural design of gas check valve 1 is closed in the recovery achieving the resiliently deformable utilizing the resiliently deformable of valve block 12 to open air valve 1 and to utilize valve block 12, this kind of structural design is due to the space without the need to arranging in valve body 11 inside for valve block 12 motion, also without the need to arranging the assemblies such as spring, therefore to have structure simple for air valve 1 of the present utility model, the advantage that compact and volume is little, and air valve 1 of the present utility model can have thinner thickness, this makes air valve 1 of the present utility model can be applied on volume and the less product of installing space, this kind of product is such as the Microspeaker can installed on more and more thinner electronic product.
Embodiment 1:
Have close to the active area of gas in the outer surface 12a side of valve block 12 in order to make gas in the internal surface 12b side of valve block 12, as depicted in figs. 1 and 2, air valve 1 of the present utility model can adopt the internal surface 11b making valve body 11 to cover air outlet hole 14, and make the internal surface 12b of valve block 12 and inlet hole 13 from structure, like this, gas just can enter in air valve 1 by inlet hole 13 the internal surface 12b remake for valve block 12, active area between the internal surface 12b that therefore can make gas and valve block 12 as much as possible close to gas and valve block 12 outer surface 12a between active area, in that case, unlatching threshold value can be set by the draught head between the outer surface 12a side of the internal surface 12b side of valve block 12 and valve block 12, for the design of air valve 1 is provided convenience.
Embodiment 2:
In order to reduce the noise of air valve 1, as depicted in figs. 1 and 2, air valve 1 of the present utility model also can comprise screen cloth 15, and this screen cloth covers air outlet hole 14, and is fixedly connected with valve block 12.
In conjunction with the embodiments 1, in order to be that the internal surface 11b of plane and valve body 11 is at least when the part arranging valve block 12 is plane at the internal surface 12b of valve block 12, realize making the internal surface 11b of valve body 11 to cover air outlet hole 14, and make the internal surface 12b of valve block 12 and inlet hole 13 from structure, as depicted in figs. 1 and 2, this screen cloth 15 can cover air outlet hole 13 in the internal surface 12b side of valve block 12, be folded between the internal surface 11b of the valve body 11 and internal surface 12b of valve block 12 to make screen cloth 15, therefore, this kind of structure can also obtain the beneficial effect that the internal surface 11b that can improve valve body 11 covers the tightness degree of air outlet hole 14.
Embodiment 3:
As depicted in figs. 1 and 2, the inlet hole 13 of air valve 1 of the present utility model is positioned at the periphery of air outlet hole 14, air outlet hole 14 can be arranged on the central position of valve block 12 by this, because valve block 12 is tightly connected in periphery and valve body 11, therefore, the position, periphery that the central position of valve block 12 solves ring packing district relatively can produce larger resiliently deformable, is conducive to the design carrying out air valve 1, in addition, when arranging multiple inlet hole 13, air outlet hole 14 is arranged on the middle position surrounded by inlet hole 13, can make to enter gas in air valve 1 through substantially isometric and the path that orientation is substantially different arrives air outlet hole 14 through each inlet hole 13, this can make gas more steady, quickly move through air valve 1, at this, multiple inlet hole 13 can be arranged on a basic circle circumferentially, even if the central axis of each inlet hole 13 through this basic circle circumferentially, particularly multiple inlet hole 13 is arranged on this basic circle circumferentially equally spacedly, and air outlet hole 14 is arranged in this basic circle, as depicted in figs. 1 and 2 arrange in the embodiment of an air outlet hole 14, can this air outlet hole 14 be arranged on the center of circle of this basic circle, even if the central axis of this air outlet hole 14 is through the center of circle of this basic circle.
Embodiment 4:
In order to the volume of the utility model air valve 1 further can be reduced, as depicted in figs. 1 and 2, the internal surface 11b of this valve body 11 can have the mounting groove 111 caved inward, and inlet hole 13 is positioned at the bottom land of mounting groove 111, valve block 12 embeds in this mounting groove 111 completely, like this, the volume of air valve 1 is the volume of valve body 11.
Based on air valve 1 of the present utility model, the utility model additionally provides a kind of loudspeaker, as shown in Figures 3 to 6, the loudspeaker body 3 that loudspeaker of the present utility model comprises housing 2 and is arranged on housing 2, the back cavity 24 leading to the vibrating diaphragm 31 of loudspeaker body 3 is formed in this housing 2, this housing 2 has at least one any one air valve 1 above-mentioned as suction valve 1a, the air outlet hole 14 of this suction valve 1a, towards this back cavity 24, can enter in back cavity 24 by this air valve 1a to make outside gas; Housing 2 also has at least one any one air valve 1 above-mentioned as gas outlet valve 1b, the inlet hole 13 of this gas outlet valve 1b, towards this back cavity 24, outwards can flow out through gas outlet valve 1b to make the gas in back cavity.For the loudspeaker of this kind of structure, due to the size regulating the pressure air cushion in order to auxiliary vibrating diaphragm 31 produced in back cavity 24 can be passed through, improve the performance of loudspeaker, therefore, this kind of loudspeaker has the advantage can being debugged out high performance speaker by limited space, this point is such as mobile phone for being applied in more and more thinner, panel computer, Microspeaker on the electronic products such as multimedia player is particularly important, and air valve 1 of the present utility model is owing to having less volume and can have the feature of lower thickness, make on this Microspeaker, apply this kind of debugging method and become possibility.
Above-mentioned suction valve 1a can be threaded connection structure, cone-shaped seal structure, interference fit etc. with housing 1 and combine, because air valve 1 of the present utility model can have the thickness suitable with the shell wall of housing 1, therefore, air valve 1 of the present utility model is set on a speaker, can not causes any impact to the volume of loudspeaker and installing space.In addition, as shown in Figures 3 to 6, the advantage of air valve 1 of the present utility model is also to make the valve body 11 of suction valve 1a one-body molded with housing 2, and makes the valve body 11 of gas outlet valve 1b one-body molded with housing 2, and what this made air valve 1 arranges the assembling procedure that substantially can not increase loudspeaker.
In order to avoid air inlet is disturbed mutually with giving vent to anger, and then make the dissipation of the generation of next pressure air cushion and current pressure air cushion relatively independent, as shown in Figures 3 to 6, suction valve 1a and gas outlet valve 1b valve can be divided be located at housing 2 different surfaces on, in embodiment shown in Fig. 3 to Fig. 6, loudspeaker of the present utility model is provided with an a suction valve 1a and gas outlet valve 1b, and this suction valve 1a and gas outlet valve 1b is arranged on the apparent surface of housing 2.
Except the volume adopting air valve 1 of the present utility model to compress loudspeaker and thickness, the utility model additionally provides a kind of shell construction can with lower thickness, as shown in Figures 3 to 6, this housing 2 comprises upper casing 22, mesochite 21 and lower casing 23, mesochite 21 comprises mesochite body, mesochite 21 forms the first groove 211 and the second groove 212 respectively on two relative surfaces of mesochite body, this second groove 212 runs through mesochite body and communicates with the first groove 211, loudspeaker body 3 is arranged in the second groove 212, the edge of lower casing 23 and the first groove 211 fastens, lower casing 23 is provided with the opening 231 that loudspeaker body 3 is exposed, loudspeaker body 3 (being specially the frame of the magnetic circuit assembly 32 of loudspeaker body 3) engages with the edge of opening 231, the edge of upper casing 22 and the second groove 212 fastens, to close the first groove 211 and the second groove 212 by above-mentioned snap-in structure and fastening structure, form the above-mentioned back cavity 24 leading to vibrating diaphragm 31, back cavity 24 is communicated with the external world by means of only suction valve 1a and gas outlet valve 1b, and then realize the object being regulated pressure air cushion size in back cavity 24 by suction valve 1a and gas outlet valve 1b.For the structure of above-mentioned housing 2, because mesochite 21 part beyond the second groove 212 for installing loudspeaker body 3 can have thinner thickness, therefore this housing 2 is easy to be designed to be fabricated to have less volume and thinner thickness.
In addition, the various embodiments described above primary focus describes the difference with other embodiments, but it will be clear for those skilled in the art that the various embodiments described above can be used alone as required or be combined with each other.
Although be described in detail specific embodiments more of the present utility model by example, it should be appreciated by those skilled in the art, above example is only to be described, instead of in order to limit scope of the present utility model.It should be appreciated by those skilled in the art, when not departing from scope and spirit of the present utility model, above embodiment can be modified.Scope of the present utility model is limited by claims.
Claims (10)
1. an air valve (1), it is characterized in that, comprise valve body (11), there is flexible valve block (12), run through in described valve body (11), outer surface (11b, inlet hole (13) 11a), and run through in described valve block (12), outer surface (12b, air outlet hole (14) 12a), described valve block (12) and described valve body (11) are tightly connected the ring packing district being formed and surround all air outlet holes (14) and all inlet holes (13), and the internal surface (11b) of described valve body (11) covers described air outlet hole (14), and/or the internal surface (12b) of described valve block (12) covers described inlet hole (13).
2. air valve according to claim 1 (1), it is characterized in that, described air valve (1) also comprises screen cloth (15), and described screen cloth (15) covers described air outlet hole (14), and is fixedly connected with described valve block (12).
3. air valve according to claim 2 (1), it is characterized in that, described screen cloth (15) covers described air outlet hole (14) in internal surface (12b) side of described valve block (12), the internal surface (11b) of described valve body (11) covers described air outlet hole (14), to make described screen cloth (15) be folded between the internal surface (11b) of described valve body (11) and the internal surface (12b) of described valve block (12), and the internal surface (12b) of described valve block (12) and described inlet hole (13) from.
4. the air valve (1) according to claim 1,2 or 3, is characterized in that, described inlet hole (13) is positioned at the periphery of described air outlet hole (14).
5. the air valve (1) according to claim 1,2 or 3, it is characterized in that, the internal surface (11b) of described valve body (11) forms the mounting groove (111) caved inward, described inlet hole (13) is positioned at the bottom land of described mounting groove (111), and described valve block (12) embeds in described mounting groove (111) completely.
6. the air valve (1) according to claim 1,2 or 3, is characterized in that, described valve block (12) is made up of polyurethane, PETG, polyethers ether copper, polycarbonate (PC), silica gel or thermoplastic elastomer.
7. a loudspeaker, comprise housing (2) and be arranged on the loudspeaker body (3) on described housing (2), the back cavity (24) leading to the vibrating diaphragm (31) of described loudspeaker body (3) is formed in described housing (2), it is characterized in that, described housing (2) has air valve (1) according to any one of at least one claim 1 to 6 as suction valve (1a), the air outlet hole (14) of described suction valve (1a) communicates with described back cavity (24); Described housing (2) also has air valve (1) according to any one of at least one claim 1 to 6 as gas outlet valve (1b), the inlet hole (13) of described gas outlet valve (1b) communicates with described back cavity (24).
8. loudspeaker according to claim 7, it is characterized in that, the valve body (11) of described suction valve (1a) is one-body molded with described housing (2), and/or the valve body (11) of described gas outlet valve (1b) is one-body molded with described housing (2).
9. loudspeaker according to claim 7, is characterized in that, described suction valve (1a) is located on the different surfaces of described housing (2) with described gas outlet valve (1b) point.
10. loudspeaker according to claim 7, it is characterized in that, described housing (2) comprises upper casing (22), mesochite (21) and lower casing (23), described mesochite (21) comprises mesochite body, described mesochite (21) forms the first groove (211) and the second groove (212) respectively on two relative surfaces of described mesochite body, described second groove (212) is run through described mesochite body and is communicated with described first groove (211), and described loudspeaker body (3) is arranged in described second groove (211); Described upper casing (22) fastens with the edge of described second groove (212), described lower casing (23) fastens with the edge of described first groove (211), described lower casing (23) is provided with the opening (231) that described loudspeaker body (3) is exposed, described loudspeaker body (3) engages with the edge of described opening (231), to be closed described first groove (211) and described second groove (212) by fastening structure and snap-in structure, form described back cavity (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520301114.XU CN204647384U (en) | 2015-05-11 | 2015-05-11 | A kind of air valve and loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520301114.XU CN204647384U (en) | 2015-05-11 | 2015-05-11 | A kind of air valve and loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204647384U true CN204647384U (en) | 2015-09-16 |
Family
ID=54100137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520301114.XU Withdrawn - After Issue CN204647384U (en) | 2015-05-11 | 2015-05-11 | A kind of air valve and loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204647384U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104819315A (en) * | 2015-05-11 | 2015-08-05 | 歌尔声学股份有限公司 | Air valve and loudspeaker |
-
2015
- 2015-05-11 CN CN201520301114.XU patent/CN204647384U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104819315A (en) * | 2015-05-11 | 2015-08-05 | 歌尔声学股份有限公司 | Air valve and loudspeaker |
| WO2016180022A1 (en) * | 2015-05-11 | 2016-11-17 | 歌尔声学股份有限公司 | Air valve and loudspeaker |
| CN104819315B (en) * | 2015-05-11 | 2017-07-04 | 歌尔股份有限公司 | A kind of air valve and loudspeaker |
| US10250969B2 (en) | 2015-05-11 | 2019-04-02 | Goertek Inc. | Air valve and speaker |
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Address after: 261031 Dongfang Road, Weifang high tech Development Zone, Shandong, China, No. 268 Patentee after: Goertek Inc. Address before: 261031 Dongfang Road, Weifang high tech Development Zone, Shandong, China, No. 268 Patentee before: Goertek Inc. |
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Granted publication date: 20150916 Effective date of abandoning: 20170704 |
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