CN102543535A - Key device for mobile communication terminal and mobile communication terminal - Google Patents
Key device for mobile communication terminal and mobile communication terminal Download PDFInfo
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- CN102543535A CN102543535A CN2012100051095A CN201210005109A CN102543535A CN 102543535 A CN102543535 A CN 102543535A CN 2012100051095 A CN2012100051095 A CN 2012100051095A CN 201210005109 A CN201210005109 A CN 201210005109A CN 102543535 A CN102543535 A CN 102543535A
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- voice coil
- keying body
- silica gel
- mobile communication
- communication terminal
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Abstract
The invention provides a key device for a mobile communication terminal and the mobile communication terminal, which are used for solving the problem that in the prior art, a sound insulation part is required to be added to the key device for the mobile communication terminal and causes high assembling difficulty and high cost. The key device comprises a first key body, a second key body, a microphone hole and a sound insulation ring, wherein the microphone hole is formed between the first key body and the second key body and is used for converting a sound signal into an electric signal; the left side of the sound insulation ring is integrally connected with the first key body; the right side of the sound insulation ring is integrally connected with the second key body; and the sound insulation ring is used for sealing the microphone hole. Due to the adoption of the technical scheme, the key device has good sound insulation effect and is low in cost.
Description
Technical field
The present invention relates to the communications field, relate in particular to a kind of key device and mobile communication terminal that is used for mobile communication terminal.
Background technology
At present, more and more be provided with the microphone perforate in the middle of the button of many mobile communication terminals, handle because the microphone perforate need be sealed sound, but the envelope sound weak effect of the microphone perforate of existing this kind mobile communication terminal do not have good leading note effect.
Fig. 1 seals the key device of the mobile communication terminal of sound for the available technology adopting foam, and is as shown in Figure 1, at the side of microphone perforate 11; Adopt foam 12 to seal sound, because that foam has is heat insulation, sealing; Buffering, noise reduction, functions such as filtration; Therefore foam has the characteristics of envelope sound and good water-proof effect as envelope sound material.But facts have proved, adopt foam to seal, need the design of extra increase parts, brought certain degree of difficulty for the assembling of key device, also increased cost simultaneously, cost performance is low.
In the prior art, the key device of mobile communication terminal needs the design of extra increase envelope line part, causes that assembly difficulty is big, cost is high, for these problems, does not propose effective solution at present as yet.
Summary of the invention
Main purpose of the present invention provides a kind of key device and mobile communication terminal that is used for mobile communication terminal; Need extra increase to seal the design of line part with the key device that solves mobile communication terminal in the prior art, cause the problem that assembly difficulty is big, cost is high.
To achieve these goals, according to an aspect of the present invention, a kind of key device that is used for mobile communication terminal is provided.
The key device that is used for mobile communication terminal of the present invention comprises: first keying body and second keying body also comprise: the microphone perforate, be arranged between first keying body and second keying body, and be used for converting voice signal to the signal of telecommunication; The envelope voice coil loudspeaker voice coil, its left side is half of to be connected with the first keying body one, and right one side of something is connected with the second keying body one, and is used to seal the microphone perforate.
Further, first keying body and second keying body all comprise from top to bottom successively: keycap; Silica gel key-press layer matches with keycap; Thin film switch is connected with silica gel key-press layer; Half of upper end, the left side of envelope voice coil loudspeaker voice coil and right half of upper end are close to the back side of the keycap of the back side of the keycap of first keying body and second keying body respectively mutually, bottom that the left side of envelope voice coil loudspeaker voice coil is half of and the bottom of right one side of something respectively with the thin film switch of first keying body and the thin film switch interference fit of second keying body.
Further, silica gel key-press layer comprises from top to bottom successively: the silica gel base support; Link slot is arranged between silica gel base support and the thin film switch, and is connected with the bottom of envelope voice coil loudspeaker voice coil, is filled with silica gel in the link slot.
Further, the envelope voice coil loudspeaker voice coil is a silica gel envelope voice coil loudspeaker voice coil, and the both sides, bottom of silica gel envelope voice coil loudspeaker voice coil are connected with the silica gel key-press layer of first keying body and the silica gel key-press layer one of second keying body respectively.
According to a further aspect in the invention, a kind of mobile communication terminal is provided, has comprised the key device that is used for mobile communication terminal of the present invention in this mobile communication terminal.
According to technical scheme of the present invention, through the envelope voice coil loudspeaker voice coil that is connected with the second keying body one with first keying body is set, when guaranteeing the leading note effect, do not need the design of extra increase envelope line part, assemble simply, dependable performance, cost be low.
Description of drawings
Figure of description is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 seals the key device of the mobile communication terminal of sound for the available technology adopting foam.
Fig. 2 is the structural representation that is used for the key device of mobile communication terminal of the present invention.
Fig. 3 is the cutaway view of the key device among Fig. 2.
Reference numeral is represented following structure respectively:
11, microphone perforate;
12, foam;
31, first keying body;
32, second keying body;
33, envelope voice coil loudspeaker voice coil;
321, keycap;
322, silica gel base support;
323, link slot;
324, thin film switch.
Embodiment
Need to prove that under the situation of not conflicting, embodiment and the characteristic among the embodiment among the application can make up each other.Below with reference to accompanying drawing and combine embodiment to specify the present invention.
A kind of key device and mobile communication terminal that is used for mobile communication terminal of the present invention is preferably mobile phone." front " of the present invention, " back side " all are for the screen of portable terminal, and the place ahead of the screen of display frame is referred to as the front, and then the rear of screen is referred to as the back side.
Fig. 2 is the cutaway view of the key device of Fig. 2 for structural representation, Fig. 3 that is used for the key device of mobile communication terminal of the present invention.Wherein, the centre that Fig. 2 shows the key device of mobile phone is provided with microphone perforate 11, and Fig. 3 shows the primary structure that is used for the key device of mobile communication terminal of the present invention, and in Fig. 3, the key device that is used for mobile communication terminal of the present invention mainly comprises:
First keying body 31 and second keying body 32.
The key device that is used for mobile communication terminal of the present invention also comprises:
Microphone perforate 11 is arranged between first keying body 31 and second keying body 32, is used for converting voice signal to the signal of telecommunication.
Envelope voice coil loudspeaker voice coil 33, the material of this envelope voice coil loudspeaker voice coil is a silica gel, and its left side is half of to be connected with first keying body, 31 one, and right one side of something is connected with second keying body, 32 one, and envelope voice coil loudspeaker voice coil 33 is mainly used in sealing microphone perforate 11.Because envelope voice coil loudspeaker voice coil 33 is connected with the keying body one that is positioned at its both sides; When guaranteeing the leading note effect; Do not need the design of extra increase envelope line part, assembling is simple, and cost is low; This envelope voice coil loudspeaker voice coil 33 plays waterproof and dustproof effect simultaneously, has guaranteed the reliability of the performance of the key device that is used for mobile communication terminal of the present invention.
In the present embodiment, first keying body 31 is identical with second keying body, 32 structures, and existing is that example is elaborated with second keying body 32.
As shown in Figure 3, second keying body 32 comprises from top to bottom successively: keycap 321, silica gel base support 322, link slot 323 and thin film switch 324.Wherein, The silica gel key-press layer of silica gel base support 322 and link slot 323 and several silica gel push-button contact (not shown) composition key devices; This silica gel key-press layer matches with keycap 321, its silica gel push-button contact and right half of one-body molded with the envelope voice coil loudspeaker voice coil 33 of silica gel material.
In the present embodiment; Link slot 323 is arranged between silica gel base support 322 and the thin film switch 324, and the short slot that this link slot 323 is opened for silica gel base support 322 is connected with the right half of bottom of envelope voice coil loudspeaker voice coil 33; When making silica gel key-press layer; Utilize the flowable characteristic of silica gel, make the silica gel of silica gel push-button contact flow through link slot 323, and with the right half of silica gel moulding of sealing voice coil loudspeaker voice coil 33.This structure has further improved envelope audio fruit, has saved the cost of envelope mixer design greatly, makes assembling become simpler.
As shown in Figure 3, the half of upper end, a left side of envelope voice coil loudspeaker voice coil 33 is close to the back side of the keycap of first keying body 31 mutually, and right half of upper end is close to the back side of the keycap 321 of second keying body 32 mutually; The bottom A that the left side of envelope voice coil loudspeaker voice coil 33 is half of and the thin film switch interference fit of first keying body 31, the right half of bottom B and thin film switch 324 interference fit of second keying body 32.The thin film switch of envelope voice coil loudspeaker voice coil 33 and keying body adopts the structure of interference fit, has strengthened the sealing effectiveness of key device, thereby has guaranteed the leading note effect of key device.
The key device that is used for mobile communication terminal of the present invention among this embodiment; The envelope voice coil loudspeaker voice coil 33 that is connected with second keying body, 32 one with first keying body 31 is set; Do not need the design of extra increase envelope line part, assembling is simple, cost is low, seals the structure of employing interference fit between the thin film switch of voice coil loudspeaker voice coil 33 and two keying body simultaneously; Strengthen the sealing effectiveness of key device, thereby guaranteed the leading note effect of key device.
The mobile communication terminal of the embodiment of the invention comprises the key device that is used for mobile communication terminal of the embodiment of the invention; Therefore this mobile communication terminal can be provided with the envelope voice coil loudspeaker voice coil 33 that is connected with second keying body, 32 one with first keying body 31; When guaranteeing the leading note effect; Do not need the design of extra increase envelope line part, assembling is simple, dependable performance, cost are low.
Can know from above description; Key device and mobile communication terminal setting and the integrated silica gel envelope of the keying body voice coil loudspeaker voice coil that is used for mobile communication terminal of the present invention; Do not need the design of extra increase envelope line part, assembling is simple, cost is low, seals the structure of employing interference fit between the thin film switch of voice coil loudspeaker voice coil and two keying body simultaneously; Strengthen the sealing effectiveness of key device, thereby guaranteed the leading note effect of key device.
More than be merely the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (5)
1. a key device that is used for mobile communication terminal comprises first keying body and second keying body, it is characterized in that, also comprises:
The microphone perforate is arranged between said first keying body and said second keying body, is used for converting voice signal to the signal of telecommunication;
The envelope voice coil loudspeaker voice coil, its left side is half of to be connected with the said first keying body one, and right one side of something is connected with the said second keying body one, and is used to seal said microphone perforate.
2. key device according to claim 1 is characterized in that, said first keying body and said second keying body all comprise from top to bottom successively:
Keycap;
Silica gel key-press layer matches with said keycap;
Thin film switch is connected with said silica gel key-press layer;
Half of upper end, the left side of said envelope voice coil loudspeaker voice coil and right half of upper end are close to the back side of the keycap of the back side of the keycap of said first keying body and said second keying body respectively mutually, bottom that the left side of said envelope voice coil loudspeaker voice coil is half of and the bottom of right one side of something respectively with the thin film switch of said first keying body and the thin film switch interference fit of said second keying body.
3. key device according to claim 2 is characterized in that, said silica gel key-press layer comprises from top to bottom successively:
The silica gel base support;
Link slot is arranged between said silica gel base support and the said thin film switch, and is connected with the bottom of said envelope voice coil loudspeaker voice coil, is filled with silica gel in the said link slot.
4. according to claim 2 or 3 described key devices; It is characterized in that; Said envelope voice coil loudspeaker voice coil is a silica gel envelope voice coil loudspeaker voice coil, and the both sides, bottom of said silica gel envelope voice coil loudspeaker voice coil are connected with the silica gel key-press layer of said first keying body and the silica gel key-press layer one of said second keying body respectively.
5. a mobile communication terminal is characterized in that, comprises each described key device in the claim 1 to 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100051095A CN102543535A (en) | 2012-01-06 | 2012-01-06 | Key device for mobile communication terminal and mobile communication terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100051095A CN102543535A (en) | 2012-01-06 | 2012-01-06 | Key device for mobile communication terminal and mobile communication terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102543535A true CN102543535A (en) | 2012-07-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100051095A Pending CN102543535A (en) | 2012-01-06 | 2012-01-06 | Key device for mobile communication terminal and mobile communication terminal |
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| Country | Link |
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| CN (1) | CN102543535A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108667966A (en) * | 2018-05-14 | 2018-10-16 | 昆山国显光电有限公司 | Display device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001119456A (en) * | 1999-10-15 | 2001-04-27 | Matsushita Electric Ind Co Ltd | Portable telephone set |
| CN1612577A (en) * | 2003-10-30 | 2005-05-04 | 日本电气株式会社 | Mobile telephone |
| CN1678128A (en) * | 2004-03-30 | 2005-10-05 | 日本电气株式会社 | Mobile station with sound speaker |
| JP2006203413A (en) * | 2005-01-19 | 2006-08-03 | Kyocera Corp | Electronic apparatus |
| JP2007116620A (en) * | 2005-10-24 | 2007-05-10 | Matsushita Electric Works Ltd | Intercom |
-
2012
- 2012-01-06 CN CN2012100051095A patent/CN102543535A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001119456A (en) * | 1999-10-15 | 2001-04-27 | Matsushita Electric Ind Co Ltd | Portable telephone set |
| CN1612577A (en) * | 2003-10-30 | 2005-05-04 | 日本电气株式会社 | Mobile telephone |
| CN1678128A (en) * | 2004-03-30 | 2005-10-05 | 日本电气株式会社 | Mobile station with sound speaker |
| JP2006203413A (en) * | 2005-01-19 | 2006-08-03 | Kyocera Corp | Electronic apparatus |
| JP2007116620A (en) * | 2005-10-24 | 2007-05-10 | Matsushita Electric Works Ltd | Intercom |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108667966A (en) * | 2018-05-14 | 2018-10-16 | 昆山国显光电有限公司 | Display device |
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Application publication date: 20120704 |