CN201780908U - Key structure and portable mobile terminal - Google Patents
Key structure and portable mobile terminal Download PDFInfo
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- CN201780908U CN201780908U CN2010202360314U CN201020236031U CN201780908U CN 201780908 U CN201780908 U CN 201780908U CN 2010202360314 U CN2010202360314 U CN 2010202360314U CN 201020236031 U CN201020236031 U CN 201020236031U CN 201780908 U CN201780908 U CN 201780908U
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- rubber cushion
- key structure
- press
- key
- kink
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Abstract
An embodiment of the utility model discloses a key structure and a portable mobile terminal, which relate to the technical field of electronics and solve the technical problem that an existing key structure cannot be touched easily so that poorer hand feelings of users touching the exiting key structure are caused. The key structure comprises keycaps, an elastic rubber pad and key switches, and the elastic rubber pad includes a body, a bent portion and at least one rubber pad projection, wherein the top of each rubber pad projection corresponds to the position of one keycap, the bottom of each rubber pad projection corresponds to the position of the corresponding key switch, and the bent portion is in a bending shape and connected between the body and the rubber pad projections. The portable mobile terminal comprises a casing and the key structure arranged on the casing. The key structure is applied to improving hand feeling of users pressing the key structure.
Description
Technical field
The utility model relates to electronic technology field, the portable mobile termianl that is specifically related to a kind of press-key structure and is provided with this press-key structure.
Background technology
Along with the continuous development of electronic technology, portable mobile termianls such as mobile phone, palmtop PC have become means of communication the most common in people's daily life.
Press-key structure is the important component part on the electronic equipments such as portable mobile termianl, can realize man-machine interaction between user and the electronic equipment by the pressing keys structure.
As Fig. 1, Fig. 2 and shown in Figure 3, the press-key structure that is provided with on the existing electronic equipment, comprise keycap 1, elastic force rubber cushion 2 and key switch, elastic force rubber cushion 2 comprises body 20 and at least one rubber cushion projection 22, the top of each rubber cushion projection 22 is all relative with keycap 1 position, and the bottom of each rubber cushion projection 22 is relative with a key switch position respectively.
When using electronic equipment, the user pushes keycap 1 earlier, keycap 1 can drive rubber cushion projection 22 and move, and make rubber cushion projection 22 and on every side body 20 that strains take place, when rubber cushion projection 22 moves, its bottom can against and compress key switch, after key switch is depressed and presses, can produce the master chip that push button signalling also can export push button signalling to electronic equipment, master chip can be discerned the position that the user pushes after receiving push button signalling, thereby produces corresponding instruction.
Elastic force rubber cushion 2 uses silica gel material to make usually in the prior art, because the hardness of silica gel material is higher, elastic force is bigger, elastic force rubber cushion 2 is not yielding when causing user's pressing keys structure, so the user feels the pressing keys structure usually and relatively requires great effort, is not easy to press, for this reason, usually adopt the hardness that reduces silica gel material, the method that reduces the thickness of elastic force rubber cushion 2 bodies 20 to reduce the elastic force of elastic force rubber cushion 2 in the prior art, and then the feel when improving user's pressing keys structure.
The inventor finds that there is following problem at least in prior art in realizing process of the present utility model:
Usually adopt the hardness that reduces silica gel material in the prior art, reduce the elastic force that the method for the thickness of elastic force rubber cushion 2 bodies 20 as shown in Figure 3 reduces elastic force rubber cushion 2, the method that reduces silica gel material hardness is subjected to the restriction of material self character, implementing is the comparison difficulty, simultaneously, the method that reduces the thickness of elastic force rubber cushion 2 bodies 20 has been subjected to the restriction of processing technology level again, so effect obtained in the prior art is also not obvious, the elastic force of elastic force rubber cushion 2 still is bigger, and then make existing press-key structure still exist to be difficult for pressing the relatively poor technical problem of feel when causing the user to press press-key structure.
The utility model content
The portable mobile termianl that the utility model embodiment provides a kind of press-key structure and has been provided with this press-key structure has solved existing press-key structure and has been difficult for pressing, the relatively poor technical problem of feel when causing the user to press press-key structure.
For achieving the above object, embodiment of the present utility model adopts following technical scheme:
This press-key structure comprises keycap, elastic force rubber cushion and key switch, and described elastic force rubber cushion comprises body, kink and at least one rubber cushion projection, wherein:
The top of each described rubber cushion projection is all relative with described keycap position, and the bottom of each described rubber cushion projection is relative with a described key switch position respectively;
Described kink is bending, and it is connected between described body and the described rubber cushion projection.
This portable mobile termianl comprises casing and is arranged at press-key structure above-mentioned provided by the utility model on the described casing.
Compared with prior art, the utility model provides the arbitrary technical scheme in the technique scheme to have following advantage:
Because the elastic force rubber cushion comprises body, kink and at least one rubber cushion projection in the utility model press-key structure, kink is bending, and it is connected between body and the rubber cushion projection, because kink is bending, bending is easier generation strain for plane, thus press keycap as the user, and drive the rubber cushion projection when mobile, the rubber cushion projection is easy to just to drive kink and deforms, thereby can press key switch more fast;
Therefore, because the easier generation strain of kink of bending, touch key switch when the user presses the utility model press-key structure so be more convenient for, also make when the user presses the utility model press-key structure simultaneously more laborsaving, and then solved existing press-key structure and be difficult for pressing the relatively poor technical problem of feel when causing the user to press press-key structure.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is a sheet of planar schematic diagram of the press-key structure that is provided with on the existing electronic equipment;
Fig. 2 is the cross-sectional schematic of Fig. 1 along the A-A line;
Fig. 3 is the enlarged diagram of B part among Fig. 2;
One sheet of planar schematic diagram of the press-key structure that Fig. 4 is provided for the utility model embodiment;
Fig. 5 is the cross-sectional schematic of Fig. 4 along the C-C line;
Fig. 6 is the enlarged diagram of D part among Fig. 5;
Fig. 7 is a sheet of planar schematic diagram of elastic force rubber cushion shown in Figure 4;
The assembling schematic diagram of casing and press-key structure in the portable mobile termianl that Fig. 8 is provided for the utility model embodiment.
Embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
The utility model embodiment provides a kind of and has pressed easily, and the portable mobile termianl of pushing the reasonable press-key structure of feel and being provided with this press-key structure.
As Fig. 4, Fig. 5 and shown in Figure 6, the press-key structure that the utility model embodiment is provided, comprise keycap 1, elastic force rubber cushion 2 and key switch, elastic force rubber cushion 2 comprises body 20, kink 21 and at least one rubber cushion projection 22, wherein: the top of each rubber cushion projection 22 is all relative with keycap 1 position, and the bottom of each rubber cushion projection 22 is relative with a key switch position respectively;
Kink 21 is bending, and it is connected between body 20 and the rubber cushion projection 22.
Because elastic force rubber cushion 2 comprises body 20, kink 21 and at least one rubber cushion projection 22 in the utility model press-key structure, kink 21 is bending, and it is connected between body 20 and the rubber cushion projection 22, because kink 21 is bending, bending is easier generation strain for plane, so when the user presses keycap 1, and when driving rubber cushion projection 22 and moving, rubber cushion projection 22 is easy to just to drive kink 21 and deforms, thereby presses key switch fast;
Therefore, because the kink 21 easier generation strains of bending, touch key switch when the user presses the utility model press-key structure so be more convenient for, also make when the user presses the utility model press-key structure simultaneously more laborsaving, and then solved existing press-key structure and be difficult for pressing the relatively poor technical problem of feel when causing the user to press press-key structure.
The cross section of kink 21 is wherein a kind of of U-shaped as shown in Figure 6 or V-arrangement or both combinations in the present embodiment, and the relative branch in the position at its top links to each other with body 20 and rubber cushion projection 22 respectively.Cross section takes the shape of the letter U or the kink 21 of V-arrangement is convenient to processing and manufacturing, and easily strain takes place.Certainly, kink 21 also can take the shape of the letter U or the kink 21 of V-arrangement is connected in turn for a plurality of cross sections in the present embodiment.
Extend towards the direction near key switch the bottom of kink 21.Owing to be positioned at the inboard of elastic force rubber cushion 2 within the press-key structure near the space of key switch, after the assembling of present embodiment press-key structure is finished, the inboard of elastic force rubber cushion 2 can be subjected to stopping of elastic force rubber cushion 2, so kink 21 when extending near the direction of key switch, is difficult for influencing the surface quality of press-key structure.
As shown in Figure 7, kink 21 is an integral structure with body 20, rubber cushion projection 22.Integral structure not only bonding strength is higher, and can adopt the one-shot forming technique manufacturing.Certainly, kink 21 also can form for split-type structural is connected by methods such as bondings with body 20, rubber cushion projection 22 in the present embodiment.
The thickness of kink 21 is not more than the thickness of body 20.Thin more then its easy more generation strain of the thickness of kink 21 simultaneously, also can be saved more manufacturing materials.
Key switch is the dome sheet.The dome sheet is a kind of PET thin slice that comprises metal clips (or claim pot young sheet), is used on the wiring boards such as PCB or FPC and uses as switch, and the dome sheet can play the effect of sense of touch type switch.
Elastic force rubber cushion 2 is made for silica gel material.Silica gel material absorption property height, Heat stability is good, chemical property are stablized and higher mechanical strength are arranged, and elastic force rubber cushion 2 suits to be applied to make.Certainly, elastic force rubber cushion 2 also can adopt other elastomeric materials in the present embodiment.
Shown in Figure 4 and 5, as further improvement of this embodiment, elastic force rubber cushion 2 comprises at least one key area 3 in the present embodiment, and each key area 3 comprises at least two rubber cushion projectioies 22, and kink 21 is connected between key area 3 and the body 20.Key area 3 is preferably the direction key region of electronic equipment in the present embodiment, direction key region comprise 22, five rubber cushions of five rubber cushion projectioies projection 22 respectively corresponding upper and lower, left and right, in the key switch of five directions.
Because the only corresponding keycap 1 of a plurality of rubber cushion projectioies 22 in the key area 3 so need not to be provided with kink 21 between a plurality of rubber cushion projectioies 22 in the key area 3, only uses thin layer rubber cushion 23 to connect and gets final product usually.When the thickness of thin layer rubber cushion 23 was not more than body 20, one of them rubber cushion projection 22 was difficult for when being pressed adjacent on every side a plurality of other rubber cushion projectioies 22 are constituted influence.
As shown in Figure 8, the portable mobile termianl that the utility model embodiment is provided comprises casing 4 and is arranged at press-key structure above-mentioned provided by the utility model on the casing 4.
Because the identical technical characterictic of press-key structure that is provided with above-mentioned the utility model embodiment is provided the utility model embodiment portable mobile termianl, so also can produce identical technique effect, solves identical technical problem.
Portable mobile termianl is preferably mobile phone or palmtop PC in the present embodiment, and certainly, the battery cover dustproof construction that the utility model embodiment is provided also can be on other electronic equipments outside mobile phone, the palmtop PC.
The above; it only is embodiment of the present utility model; but protection range of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; can expect easily changing or replacing, all should be encompassed within the protection range of the present utility model.Therefore, protection range of the present utility model should be as the criterion with the protection range of claim.
Claims (10)
1. press-key structure, it is characterized in that: comprise keycap, elastic force rubber cushion and key switch, described elastic force rubber cushion comprises body, kink and at least one rubber cushion projection, wherein:
The top of each described rubber cushion projection is all relative with described keycap position, and the bottom of each described rubber cushion projection is relative with a described key switch position respectively;
Described kink is bending, and it is connected between described body and the described rubber cushion projection.
2. press-key structure according to claim 1 is characterized in that: the cross section of described kink takes the shape of the letter U or wherein a kind of of V-arrangement or both combinations, and the relative branch in the position at its top links to each other with described body and described rubber cushion projection respectively.
3. press-key structure according to claim 2 is characterized in that: extend towards the direction near described key switch the bottom of described kink.
4. press-key structure according to claim 1 is characterized in that: described kink and described body, described rubber cushion projection are integral structure.
5. press-key structure according to claim 1 is characterized in that: the thickness of described kink is not more than the thickness of described body.
6. press-key structure according to claim 1 is characterized in that: described key switch is the dome sheet.
7. press-key structure according to claim 1 is characterized in that: described elastic force rubber cushion is that silica gel material is made.
8. press-key structure according to claim 1, it is characterized in that: described elastic force rubber cushion comprises at least one key area, each described key area comprises at least two described rubber cushion projectioies, and described kink is connected between described key area and the described body.
9. press-key structure according to claim 8 is characterized in that: the described rubber cushion projection in the described key area links to each other by the thin layer rubber cushion, and the thickness of described thin layer rubber cushion is not more than the thickness of described body.
10. portable mobile termianl is characterized in that: comprise casing and be arranged at the arbitrary described press-key structure of claim 1 to 9 on the described casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202360314U CN201780908U (en) | 2010-06-24 | 2010-06-24 | Key structure and portable mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202360314U CN201780908U (en) | 2010-06-24 | 2010-06-24 | Key structure and portable mobile terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201780908U true CN201780908U (en) | 2011-03-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202360314U Expired - Fee Related CN201780908U (en) | 2010-06-24 | 2010-06-24 | Key structure and portable mobile terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201780908U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013182158A1 (en) * | 2012-10-18 | 2013-12-12 | 中兴通讯股份有限公司 | Mobile terminal key component and mobile terminal |
-
2010
- 2010-06-24 CN CN2010202360314U patent/CN201780908U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013182158A1 (en) * | 2012-10-18 | 2013-12-12 | 中兴通讯股份有限公司 | Mobile terminal key component and mobile terminal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110330 Termination date: 20130624 |