CN101742376A - Tunable rear sound cavity mechanism and electronic device with rear sound cavity - Google Patents
Tunable rear sound cavity mechanism and electronic device with rear sound cavity Download PDFInfo
- Publication number
- CN101742376A CN101742376A CN200810182021A CN200810182021A CN101742376A CN 101742376 A CN101742376 A CN 101742376A CN 200810182021 A CN200810182021 A CN 200810182021A CN 200810182021 A CN200810182021 A CN 200810182021A CN 101742376 A CN101742376 A CN 101742376A
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- sealing ring
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- back sound
- cavity substrate
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Abstract
The invention relates to a tunable rear sound cavity mechanism and an electronic device with the rear sound cavity. The tunable rear sound cavity mechanism comprises a rear sound cavity base plate. The tunable rear sound cavity mechanism is characterized by comprising a telescopic sealing ring, a speaker and a telescopic control mechanism, wherein one end of the sealing ring is fixed on the rear sound cavity base plate; the speaker is arranged at the other end of the sealing ring to enable the sealing ring between the rear sound cavity base plate and the speaker to form the rear sound cavity; and the telescopic control mechanism is used for controlling the telescopic motion of the sealing ring. The invention has reasonable structure design, can not influence the light and thin appearance of the portable electronic device under normal conditions because the space of the rear sound cavity can be regulated, and can ensure that the portable electronic device has small volume and thin and light design when in carrying while meeting the requirements for high-quality sound effect output.
Description
Technical field
The invention belongs to the loudspeaker techniques field of electronic installation, be specifically related to a kind of adjustable back sound chamber mechanism that is applicable to portable electron device, and the portable electron device that adopts this sound chamber, back.
Background technology
Portable electron device, function as mobile phone Mobile, personal digital assistant PDA, hand-held mobile internet surfing equipment MID etc. is more and more, playing back music and multimedia become wherein one of requisite function, also become simultaneously a big attraction of various portable electron device manufacturer, and how can play out dulect and full high-quality audio, then the audio cavity structure design of portable electron device is had higher requirement.
As Fig. 1, cross-sectional view for known loud speaker 100, it comprises the housing 110 of an outside, be set with loud speaker 140 in the housing 110, sound chamber 130 after 110 formation of the rear end of loud speaker 140 and housing, on the housing 110 of 130 rear ends, back sound chamber leak 150 is set, sound chamber 120 before 110 formation of the front end of loud speaker 140 and housing, the housing 110 of preceding sound chamber 120 front ends is provided with hole 160.For producing preferable audio output effect, generally need to select to be suitable for the loud speaker of big specification and power, but because portable electric appts is the demand of catering to the user, pursue the small and exquisite and thin design of its volume day by day, therefore adopt bigger loud speaker can't satisfy these market demands.The space in sound chamber can reach the high audio output effect than original equivalent sound volume several times after increasing in addition, but under the certain situation of the thickness of portable electron device, the output that audio is improved in the space in sound chamber after can't rationally increasing.Guarantee that in addition sound chamber sealing also can make loud speaker obtain preferable audio when low frequency.
Summary of the invention
The invention provides a kind of reasonable in design, the space in back sound chamber can be regulated, and can not influence the adjustable back sound chamber mechanism of the frivolous profile of portable electron device under usually can situation and have the electronic installation in this sound chamber, back, it can satisfy when realizing that high-quality audio is exported demand, guarantees that portable electron device gets the small and exquisite and thin design of volume when carrying.
The technical solution adopted in the present invention is as follows:
A kind of adjustable back sound chamber mechanism comprises a back sound cavity substrate, it is characterized in that described back sound chamber mechanism comprises:
Telescopic sealing ring, an end of sealing circle are fixed on the sound cavity substrate of back;
Loud speaker is arranged on the other end of sealing ring, makes the sealing ring between back sound cavity substrate and loud speaker form sound chamber, back;
Extension and contraction control mechanism is used to control the flexible of sealing ring.
Concretely, described sealing ring is a tubular telescopic folding structure, and its other end connection is provided with an end cap, and described end cap setting is the outside of loud speaker, which is provided with hole.
Sound chamber before forming between described loud speaker and described end cap, the other end inner edge of the edge of described loud speaker and sealing ring is tightly connected.
The other end of described sealing ring is provided with an end cap, is provided with flexible guiding mechanism between this end cap and back sound cavity substrate.
Corresponding lead and the pilot hole of being provided with on described end cap and the back sound cavity substrate formed flexible guiding mechanism.
Extension and contraction control mechanism of institute comprises tension spring and locating part, and described tension spring is connected the other end that is arranged on back sound cavity substrate and sealing ring with locating part, and the elasticity tension of sealing ring elongation is provided, and the telescopic location of spacing sealing ring.
Described locating part comprises a spacing hook, one end of this spacing hook afterwards is connected between the sound cavity substrate with described, the other end connection of hook is provided with a limit guide groove, is provided with more than one limiting section in this limit guide groove, and the other end of hook can carry out spacing articulating respectively by this limiting section.
A kind of electronic installation with adjustable back sound chamber mechanism comprises an electronic device body, it is characterized in that described back sound chamber mechanism comprises:
Telescopic sealing ring, an end of sealing circle are fixed on the sound cavity substrate of back;
Loud speaker is arranged on the other end of sealing ring, makes the sealing ring between back sound cavity substrate and loud speaker form sound chamber, back;
Extension and contraction control mechanism is used to control the flexible of sealing ring;
The substrate in sound chamber, described back is arranged on this electronic device body.
Concretely, described electronic device body has a recess, described back sound cavity substrate is arranged on the bottom of this recess, the other end spiral-lock of sealing ring is provided with an end cap, when described end cap is compressed at the sealing circle, its upper surface and this electronic device body to close on end face concordant, when the sealing circle extended, the end face that closes on that this end cap protrudes from electronic device body formed the back audio cavity structure big than compressive state.
Described extension and contraction control mechanism comprise a tension spring and and locating part, described tension spring is connected the other end that is arranged on back sound cavity substrate and sealing ring with locating part, the elasticity tension of sealing ring elongation is provided, when the other end of pressed by external force sealing ring, locating part will back sound cavity substrate be limited to different positions with distance between the sealing ring other end.
This adjustable back sound chamber mechanism nationality is by telescopic sealing ring, the rear end of sealing ring forms sound chamber, back, the front end of sealing ring fixedly installs loud speaker, flexible space to sound chamber, back by sealing ring is regulated, simultaneously by extension and contraction control mechanism, make loud speaker adjustable with the distance of back sound cavity substrate, can be with the spatial control in sound chamber, back in a certain range of needs.The sealing circle can adopt the rubber ring of folding telescopic tubular construction, one end and back sound cavity substrate fixing seal, and the other end fixedly installs loud speaker.
Portable electron device with this sound chamber, adjustable back can be multiple portable electron devices such as mobile phone, personal digital assistant, hand-held unlimited equipment for surfing the net.The back sound cavity substrate of this adjustable back sound chamber mechanism is set on the electronic device body of this portable electron device, the flexible end of this sound chamber, adjustable back mechanism at ordinary times, be that the loud speaker stiff end shrinks in electronic device body, it is small and exquisite that this portable electron device is had, frivolous portable effect, and when the high-quality audio of needs is exported, the user is by pushing the end cap of the loud speaker outside or loud speaker arranged outside, can make the loud speaker stiff end of sealing circle break away from the first spacing state of compression and extend out to an elongation state with respect to back sound cavity substrate, by adjusting to extension and contraction control mechanism, make the back sound cavity space between loud speaker rear end and back sound cavity substrate increase to a certain distance, thereby produce preferable audio output effect.
The invention will be further elaborated below in conjunction with the drawings and specific embodiments.
Description of drawings
Fig. 1 is the cross-sectional view of known loadspeaker structure;
Fig. 2 is a status architecture schematic diagram of the specific embodiment of the invention;
Fig. 3 is another status architecture schematic diagram of the specific embodiment of the invention;
Fig. 4 is the part-structure schematic diagram in the specific embodiment of the invention;
Fig. 5 is the cross-sectional view of the specific embodiment of the invention.
Embodiment
This sound chamber, adjustable back mechanism adopts telescopic sealing ring, forms the back sound cavity space of loud speaker with the sound cavity substrate.One end of sealing ring is fixed on the sound cavity substrate of back, and loud speaker is arranged on the other end of sealing ring, makes the sealing ring between back sound cavity substrate and loud speaker form sound chamber, back; By stretching of extension and contraction control mechanism controls sealing ring, thereby the space regulatory function in sound chamber, realization back can realize the output effect of different audio qualities.
To shown in Figure 4, Fig. 2 and Fig. 3 are respectively the structural representations of two kinds of different conditions of the specific embodiment of the invention as Fig. 2; Fig. 4 is the structural representation of sealing ring and back sound cavity substrate in the specific embodiment of the invention; Fig. 5 is the cross-sectional view of the specific embodiment of the invention.This adjustable back sound chamber mechanism 200 is mainly by a back sound cavity substrate 210, sealing ring 230, end cap 220, loud speaker 240, and extension and contraction control mechanism and guiding mechanism composition, sealing ring 230 is the rubber ring of a tubular telescopic folding structure, can stretch or contraction along its axial direction, the cross sectional shape of sealing ring 230 can be determined according to the outer rim shape of loud speaker 240, one end 232 of sealing ring 230 and back sound cavity substrate 210 sealing and fixing, 240 of loud speakers are fixed on the other end 231 of sealing ring 230, take this back sound of formation chamber in the sealing ring 230 of 240 of back sound cavity substrate 210 and loud speakers, the space in this sound chamber, back can be regulated by the flexible of rubber ring 230.The material of sealing ring 230 and shape also can adopt existing other telescopic folding structure and material.
Other end spiral-lock at sealing ring 230 is provided with an end cap 220, and hole 223 is set on the end cap 220, and the effect of this end cap 220 is in order to produce the preceding sound chamber of loud speaker 240 on the one hand; Be to be used to be provided with extension and contraction control mechanism and guiding mechanism on the other hand.The other end 231 inner edges of the edge of loud speaker 240 and sealing ring 230 are tightly connected, thereby sealing ring 230 is divided into the mutually different two parts in front and back, sound chamber before 220 formation of loud speaker 240 and end cap.On the back sound cavity substrate 210 in sealing ring 230 outsides, be symmetrically arranged with lead 211 and 214, corresponding end cap 220 is provided with pilot hole, when sealing ring 230 stretches, end cap 220 and loud speaker 240 move with respect to back sound cavity substrate 210, and this flexible guiding mechanism can play good guide effect to loud speaker 240 mobile.The number of this lead can be one or more, is the best with the reasonable direction of displacement that can rationally limit loud speaker.
Also be provided with tension spring 213 and 215 on this back sound cavity substrate 210, the other end of tension spring contacts the lower surface of end cap 220, and this tension spring is compressed by end cap 220 when sealing ring 230 is in compression position and produces elasticity tension; On this back sound cavity substrate 210, also connect simultaneously locating part is set, this locating part comprises spacing hook 212,216, one end of spacing hook is connected with the side of back sound cavity substrate 210, its other end is positioned at a limit guide groove of end cap 220 sides, and this limit guide groove has first limiting section 222 and second limiting section 221; When spacing hook was positioned at first limiting section 222, its restriction sealing ring 230 was positioned at the maximum compression position, the space minimum at this moment back sound chamber, and the distance that promptly back sound cavity substrate 210 and loud speaker are 240 is the shortest.When spacing hook was positioned at second limiting section 221, its restriction sealing ring 230 was positioned at the minimal compression position, and tension spring 213 and 215 is positioned at the maximum elongation position, the space maximum at this moment back sound chamber, and the distance that promptly back sound cavity substrate 210 and loud speaker are 240 is the longest.As depicted in figs. 1 and 2, this limit guide groove is the cannelure that the middle part has a guide vane end stop, and spacing hook respectively can be with guide vane end stop and the cannelure place, and promptly first limiting section 222 and second limiting section 221 are affiliated to.
This locating part also can be designed to two groups of above limiting section structures, to realize the adjustment of multiple back sound cavity space.
This adjustable back sound chamber mechanism can be applicable to existing numerous portable electron device, can on an end face of electronic device body, a recess be set, be used to hold this adjustable back sound chamber mechanism, back sound cavity substrate is arranged in this recess, when normally carrying, back sound chamber is in compressive state, and the end cap upper surface is concordant with the end face of this electronic device body.When the preferable tonequality of user such as needs is exported, push end cap with hand, spacing hook is broken away from from first limiting section, tension spring orders about end cap and drives the axial direction elongation of loud speaker along sealing ring, thereby the back sound cavity space between loud speaker and back sound cavity substrate is enlarged, and when extremely the spacing hook and second limiting section were affiliated to, the continuation of spacing hook restriction tension spring was extended, thereby, can provide preferable audio output this moment with the fixed-site of loud speaker and end cap.
When the user pushes end cap with hand once more, end cap is moving to sealing ring maximum compression position, spacing hook moves to first limiting section upper end, when the user no longer pushes end cap, tension spring can bullet, spacing hook is limited to the maximum compression position of sealing ring with end cap and loud speaker, and this moment, the upper surface of end cap was concordant with this electronic device body end face, returned to normal carrier state.
Claims (10)
1. an adjustable back sound chamber mechanism comprises a back sound cavity substrate, it is characterized in that described back sound chamber mechanism comprises:
Telescopic sealing ring, an end of sealing circle are fixed on the sound cavity substrate of back;
Loud speaker is arranged on the other end of sealing ring, makes the sealing ring between back sound cavity substrate and loud speaker form sound chamber, back;
Extension and contraction control mechanism is used to control the flexible of sealing ring.
2. adjustable back sound according to claim 1 chamber mechanism is characterized in that described sealing ring is a tubular telescopic folding structure, and its other end connection is provided with an end cap, and described end cap setting is the outside of loud speaker, which is provided with hole.
3. adjustable back sound according to claim 2 chamber mechanism, sound chamber before it is characterized in that forming between described loud speaker and described end cap, the other end inner edge of the edge of described loud speaker and sealing ring is tightly connected.
4. adjustable back sound according to claim 1 chamber mechanism is characterized in that the other end of described sealing ring is provided with an end cap, is provided with flexible guiding mechanism between this end cap and back sound cavity substrate.
5. adjustable back according to claim 4 sound chamber mechanism is characterized in that corresponding lead and the pilot hole of being provided with on described end cap and the back sound cavity substrate, forms the guiding mechanism that stretches.
6. adjustable back sound according to claim 1 chamber mechanism, it is characterized in that extension and contraction control mechanism of institute comprises tension spring and locating part, described tension spring is connected the other end that is arranged on back sound cavity substrate and sealing ring with locating part, the elasticity tension of sealing ring elongation is provided, and the telescopic location of spacing sealing ring.
7. adjustable back sound according to claim 6 chamber mechanism, it is characterized in that described locating part comprises a spacing hook, one end of this spacing hook afterwards is connected between the sound cavity substrate with described, the other end connection of hook is provided with a limit guide groove, be provided with more than one limiting section in this limit guide groove, the other end of hook can carry out spacing articulating respectively by this limiting section.
8. the electronic installation with adjustable back sound chamber mechanism comprises an electronic device body, it is characterized in that described back sound chamber mechanism comprises:
Telescopic sealing ring, an end of sealing circle are fixed on the sound cavity substrate of back;
Loud speaker is arranged on the other end of sealing ring, makes the sealing ring between back sound cavity substrate and loud speaker form sound chamber, back;
Extension and contraction control mechanism is used to control the flexible of sealing ring;
The substrate in sound chamber, described back is arranged on this electronic device body.
9. the electronic installation with adjustable back sound chamber mechanism according to claim 8, it is characterized in that described electronic device body has a recess, described back sound cavity substrate is arranged on the bottom of this recess, the other end spiral-lock of sealing ring is provided with an end cap, when described end cap is compressed at the sealing circle, its upper surface and this electronic device body to close on end face concordant, when the sealing circle extended, the end face that closes on that this end cap protrudes from electronic device body formed the back audio cavity structure big than compressive state.
10. the electronic installation with adjustable back sound chamber mechanism according to claim 8, it is characterized in that described extension and contraction control mechanism comprise a tension spring and and locating part, described tension spring is connected the other end that is arranged on back sound cavity substrate and sealing ring with locating part, the elasticity tension of sealing ring elongation is provided, when the other end of pressed by external force sealing ring, locating part will back sound cavity substrate be limited to different positions with distance between the sealing ring other end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810182021A CN101742376A (en) | 2008-11-24 | 2008-11-24 | Tunable rear sound cavity mechanism and electronic device with rear sound cavity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810182021A CN101742376A (en) | 2008-11-24 | 2008-11-24 | Tunable rear sound cavity mechanism and electronic device with rear sound cavity |
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| Publication Number | Publication Date |
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| CN101742376A true CN101742376A (en) | 2010-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810182021A Pending CN101742376A (en) | 2008-11-24 | 2008-11-24 | Tunable rear sound cavity mechanism and electronic device with rear sound cavity |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101938681A (en) * | 2010-09-10 | 2011-01-05 | 鸿富锦精密工业（深圳）有限公司 | Speaker with audio cavity |
| CN102395088A (en) * | 2011-08-30 | 2012-03-28 | 瑞声声学科技(深圳)有限公司 | Sounding device |
| CN102413392A (en) * | 2010-09-26 | 2012-04-11 | 联想(北京)有限公司 | Portable electronic equipment |
| CN102547498A (en) * | 2010-12-15 | 2012-07-04 | 深圳富泰宏精密工业有限公司 | Portable sound box |
| CN103139692A (en) * | 2011-11-23 | 2013-06-05 | 英业达股份有限公司 | Portable electronic device with voice amplification function |
| CN103179487A (en) * | 2011-12-23 | 2013-06-26 | 联想(北京)有限公司 | Sound box device and electronic terminal |
| WO2013127297A1 (en) * | 2012-03-02 | 2013-09-06 | 华为终端有限公司 | Mobile terminal and sound chamber adjusting method |
| CN103442316A (en) * | 2013-09-03 | 2013-12-11 | 汉得利（常州）电子有限公司 | Loudspeaker with virtual sound cavity |
| CN107547973A (en) * | 2016-06-28 | 2018-01-05 | 深圳富泰宏精密工业有限公司 | Electronic installation |
| CN108769879A (en) * | 2018-06-15 | 2018-11-06 | Oppo广东移动通信有限公司 | Sound chamber component and electronic equipment afterwards |
| CN109089181A (en) * | 2018-09-14 | 2018-12-25 | 深圳市奋达科技股份有限公司 | A kind of the bottom case mould group and speaker of speaker |
| CN109324780A (en) * | 2018-09-27 | 2019-02-12 | 联想(北京)有限公司 | Promote the method and electronic equipment of sound output effect |
| US10317005B2 (en) | 2016-08-17 | 2019-06-11 | Popsockets Llc | Expandable sockets for use with portable media players |
| CN111356042A (en) * | 2018-12-21 | 2020-06-30 | 沈阳新松机器人自动化股份有限公司 | Mechanism capable of adjusting sound cavity space |
| CN111726441A (en) * | 2020-06-29 | 2020-09-29 | 维沃移动通信有限公司 | Electronic device |
| CN111770221A (en) * | 2020-07-07 | 2020-10-13 | 维沃移动通信有限公司 | Electronic device |
| CN112351371A (en) * | 2019-08-07 | 2021-02-09 | 纬创资通股份有限公司 | Loudspeaker device and sound guide module thereof |
| US11786031B1 (en) | 2022-09-13 | 2023-10-17 | ohSnap, Inc. | Grip for portable electronic devices |
-
2008
- 2008-11-24 CN CN200810182021A patent/CN101742376A/en active Pending
Cited By (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101938681A (en) * | 2010-09-10 | 2011-01-05 | 鸿富锦精密工业（深圳）有限公司 | Speaker with audio cavity |
| CN102413392A (en) * | 2010-09-26 | 2012-04-11 | 联想(北京)有限公司 | Portable electronic equipment |
| CN102547498A (en) * | 2010-12-15 | 2012-07-04 | 深圳富泰宏精密工业有限公司 | Portable sound box |
| CN102395088B (en) * | 2011-08-30 | 2014-06-04 | 瑞声声学科技(深圳)有限公司 | Sounding device |
| CN102395088A (en) * | 2011-08-30 | 2012-03-28 | 瑞声声学科技(深圳)有限公司 | Sounding device |
| CN103139692A (en) * | 2011-11-23 | 2013-06-05 | 英业达股份有限公司 | Portable electronic device with voice amplification function |
| CN103179487A (en) * | 2011-12-23 | 2013-06-26 | 联想(北京)有限公司 | Sound box device and electronic terminal |
| WO2013127297A1 (en) * | 2012-03-02 | 2013-09-06 | 华为终端有限公司 | Mobile terminal and sound chamber adjusting method |
| CN103442316A (en) * | 2013-09-03 | 2013-12-11 | 汉得利（常州）电子有限公司 | Loudspeaker with virtual sound cavity |
| CN107547973A (en) * | 2016-06-28 | 2018-01-05 | 深圳富泰宏精密工业有限公司 | Electronic installation |
| US10317005B2 (en) | 2016-08-17 | 2019-06-11 | Popsockets Llc | Expandable sockets for use with portable media players |
| US10386009B2 (en) | 2016-08-17 | 2019-08-20 | Popsockets Llc | Expanding accessory for mobile electronic devices |
| US10655775B2 (en) | 2016-08-17 | 2020-05-19 | Popsockets Llc | Expandable sockets for use with portable media players |
| CN108769879A (en) * | 2018-06-15 | 2018-11-06 | Oppo广东移动通信有限公司 | Sound chamber component and electronic equipment afterwards |
| CN109089181B (en) * | 2018-09-14 | 2024-04-02 | 深圳市奋达科技股份有限公司 | Bottom shell module and sound box of sound box |
| CN109089181A (en) * | 2018-09-14 | 2018-12-25 | 深圳市奋达科技股份有限公司 | A kind of the bottom case mould group and speaker of speaker |
| CN109324780A (en) * | 2018-09-27 | 2019-02-12 | 联想(北京)有限公司 | Promote the method and electronic equipment of sound output effect |
| CN109324780B (en) * | 2018-09-27 | 2021-01-15 | 联想(北京)有限公司 | Method for improving sound output effect and electronic equipment |
| CN111356042A (en) * | 2018-12-21 | 2020-06-30 | 沈阳新松机器人自动化股份有限公司 | Mechanism capable of adjusting sound cavity space |
| CN112351371A (en) * | 2019-08-07 | 2021-02-09 | 纬创资通股份有限公司 | Loudspeaker device and sound guide module thereof |
| CN112351371B (en) * | 2019-08-07 | 2022-07-08 | 纬创资通股份有限公司 | Loudspeaker device and sound guide module thereof |
| CN111726441A (en) * | 2020-06-29 | 2020-09-29 | 维沃移动通信有限公司 | Electronic device |
| CN111726441B (en) * | 2020-06-29 | 2021-12-07 | 维沃移动通信有限公司 | Electronic device |
| CN111770221A (en) * | 2020-07-07 | 2020-10-13 | 维沃移动通信有限公司 | Electronic device |
| CN111770221B (en) * | 2020-07-07 | 2021-07-16 | 维沃移动通信有限公司 | Electronic device |
| WO2022007703A1 (en) * | 2020-07-07 | 2022-01-13 | 维沃移动通信有限公司 | Electronic device |
| US11786031B1 (en) | 2022-09-13 | 2023-10-17 | ohSnap, Inc. | Grip for portable electronic devices |
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Open date: 20100616 |