CN2798284Y - Keyboard assembly for electronic equipment - Google Patents
Keyboard assembly for electronic equipment Download PDFInfo
- Publication number
- CN2798284Y CN2798284Y CN 200520083895 CN200520083895U CN2798284Y CN 2798284 Y CN2798284 Y CN 2798284Y CN 200520083895 CN200520083895 CN 200520083895 CN 200520083895 U CN200520083895 U CN 200520083895U CN 2798284 Y CN2798284 Y CN 2798284Y
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- face
- piece
- electronic equipment
- keyboard components
- shaped groove
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- Push-Button Switches (AREA)
Abstract
The utility model discloses a keyboard assembly for an electronic device, which comprises a face shell, bottom silica gel and a main board, wherein the bottom silica gel is fixedly affixed to the lower surface of the face shell, and the main board is provided with a plurality of film switches; the face shell is provided with a main body and a plurality of elastically deformable press key parts in which film switches respectively corresponding to the pressable bottom silica gel are switched on by the pressable bottom silica gel, the number of the press key parts is identical to that of the film switches, and the positions of the press key parts respectively correspond to those of the corresponding film switches; all the press parts and the main body are formed into a whole. The utility model has the advantages that the keyboard assembly is thin, and thus, the whole electronic device is thin; the face shell provided with an elastic suspended arm is formed by one-step molding and has simple fabrication and low cost.
Description
Technical field
The utility model relates to a kind of keyboard components of electronic equipment.
Background technology
Existing keyboard components as shown in Figure 1, comprises a face-piece 1`, several up-small and down-big button 2`, end silica gel 3` and mainboard 4`, and described end silica gel 3` is fixed in face-piece 1` lower surface, and mainboard 4` is provided with several thin film switches 41`; Offer several big down little button through hole 11` of going up on the face-piece 1`, the number of the number of key hole 11`, button 2` and the number of thin film switch 41` equate; Each button 2` is located in the 11` of corresponding key hole, make each button 2` slidably in key hole 11`, and can prevent that button 2` breaks away from key hole 11`, and each button 2` can automatically reset; Each key hole 11` present position lays respectively at the top of each corresponding thin film switch 41` present position; And the upper surface of each button 2` is respectively equipped with the corresponding symbol mark structure.The operation principle of keyboard components is: user's pressing keys 2`, button 2` press down end silica gel 3`, make end silica gel 3` and corresponding thin film switch 41` contact, make this thin film switch 41` conducting.Its manufacture process is generally: process the face-piece 1` with key hole 11`; Process button 2` and other device; Assembling face-piece 1`, button 2` and other device promptly are assembled into keyboard components.Existing keyboard components has following shortcoming: one, and face-piece 1` thickness is thick and button 2` stroke distances is big, and this makes that the thickness of whole keyboard components is thick, and then makes that the thickness of whole electric equipment is thick; Its two, when making keyboard components, need process face-piece 1` and each button 2` respectively, promptly the button 2` on the mobile phone is independent of face-piece 1` production, processed complex and cost height usually.
The utility model content
The purpose of this utility model provides a kind of keyboard components of electronic equipment, and it has solved the existing technical disadvantages of above-mentioned prior art; Simple in structure, thin thickness, processing is simple, and cost is low.
The utility model adopts following technical scheme: a kind of keyboard components of electronic equipment, comprise face-piece, end silica gel and mainboard, and silica stationary of the described end is adhered to the face-piece lower surface; Mainboard is provided with several thin film switches; Face-piece has main body and several can push the button portion of elastically deformable that end silica gel makes a thin film switch conducting of each correspondence, the number of button portion equates with the number of thin film switch, and each button portion present position is corresponding with corresponding thin film switch present position respectively; All button portions and main body are one-body molded.
Offer several grooves on the main body of described face-piece, the face-piece part that is positioned at each groove all constitutes elastic cantilever; At least be provided with a button portion on each elastic cantilever.
The part of the end face of the main body of described face-piece constitutes the elasticity protruded arm to extending away from this end face direction; The elasticity protruded arm constitutes button portion.
The main body of described face-piece comprises the sidewall that the periphery of facing the wall and meditating and face the wall and meditate extends downwards.
On described all grooves all are opened in and face the wall and meditate; Flexible protruded arm all is located at the side wall lower ends face.
Described groove is the U-shaped groove; U-shaped groove number equates with the number of thin film switch; The face-piece part that is positioned at each U-shaped groove all constitutes elastic cantilever; Each elastic cantilever all constitutes a button portion.
The structure of described each U-shaped groove is identical, all has a translot and two pods, and two pods are communicated in the both ends of translot; The shared pod of two U-shaped grooves that the left and right sides is adjacent.
Silica gel upper surface of the described end has several up-small and down-big projectioies, and the number of projection equates with the number of U-shaped groove, and the upper top structure of projection and the shape of U-shaped groove are suitable, and the upper top of projection is in the U-shaped groove.
The structure of described each elastic cantilever is identical, all has a suspending part and an arm; An end of arm is fixedly arranged on suspending part, and another end is fixedly arranged on the connection part of face-piece; The thickness of described suspending part is 1.0～1.2mm, and the thickness of arm is 0.5～0.7mm; The terminal part bottom of suspending part is provided with the breach of stepping down.
Described electronic equipment is mobile phone, PDA or walkman.
By above-mentioned description to the utility model structure as can be known, compare, the utlity model has following advantage with background technology:
One, all button portions and main body are one-body molded, face-piece thin thickness then, the thin thickness of whole keyboard components, this makes electronic equipment such as mobile phone, PDA, walkman or notebook computer, and thickness is thinner, and volume is littler, and weight is lighter, welcome by the user;
Its two, all button portions and main body are one-body molded, one-shot forming, outer surface is simple and easy generous, novel individual character, processing is simple, cost is low;
Its three, face-piece comprises that one is faced the wall and meditated and sidewall, the intensity of whole face-piece is good, install easy to assembly, but and the time processing moulding, processing is simple, cost is low;
Its four, the shared pod of two U-shaped grooves that the left and right sides is adjacent, this makes that dynamics and the feel push each elastic cantilever are even, designs more humane;
Its five, flexible protruded arm all is located at the side wall lower ends face, the button and the face-piece that are positioned at the side are one-body molded, install easy to assembly, but the time processing moulding, processing is simple, cost is low;
Its six, be provided with projection, the projection upper top in the U-shaped groove, the upper surface of whole keyboard components is smooth attractive in appearance, and is waterproof;
Its seven, the thickness of connection part is 1.0～1.2mm, and is easy to process, and the couple stroke is suitable, good hand touch; The thickness of arm is 0.5～0.7mm, good hand touch;
Its eight, the terminal part bottom that is positioned at suspending part is provided with the breach of stepping down, and make elastic cantilever press down conveniently, and resilience is quick.
Description of drawings
Fig. 1 is the structural principle generalized section of the keyboard components of prior art;
Fig. 2 is the structural principle generalized section of keyboard components of the present utility model;
Fig. 3 is the structural representation of face-piece of the present utility model;
Fig. 4 is the vertical view of the face-piece of another embodiment of the present utility model;
Fig. 5 is the structural representation of the face-piece of another embodiment again of the present utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is further described.
A kind of keyboard components of mobile phone shown in Fig. 2,3, comprises mobile telephone surface shell 1, end silica gel 2 and mainboard 3.
Electronic equipment of the present utility model is to be example with the mobile phone, but does not exceed with mobile phone, and other electronic equipments such as PDA, walkman or notebook computer etc. also are applicable to the utility model.
Keyboard components of the present utility model is to be example with the keyboard components that is arranged on the mobile telephone surface shell, and the keyboard components that is arranged at the phone housing sidewall equally also can adopt the technical solution of the utility model.
End silica gel 2 is fixed in mobile telephone surface shell 1 lower surface, and mainboard 3 is positioned at end silica gel 2 belows, and mainboard 3 is provided with 18 thin film switches 31.
Thin film switch 31 on the mainboard 3 of the present utility model be with 18 be example, but do not exceed with 18.The number of the thin film switch 31 that each different manufacturers is produced has difference, but no matter how many numbers of thin film switch 31 is, those skilled in the art can directly be applied to the technical solution of the utility model on the keyboard components of this mobile phone.
The structure of mainboard 3 is a prior art, is not further described at this.
As shown in Figure 3, face-piece 1 has main body and several can push the button portion of elastically deformable that end silica gel 2 makes thin film switch 31 conductings of each correspondence, the number of button portion equates with the number of thin film switch 31, and each button portion present position is corresponding with corresponding thin film switch 31 present positions respectively; All button portions and main body are one-body molded.
Face-piece 1 main body comprises that one is faced the wall and meditated 11 and sidewall 12.Shown in Fig. 2,3, sidewall 12 is formed by 11 peripheries or the peripheral part extension downwards of facing the wall and meditating.The concrete structure of face-piece 1 can be according to the difference of phone housing and slightly different.Face the wall and meditate and offer 18 U-shaped grooves 13 and a square shape groove 14 on 11.Square shape groove 14 is used to place display screen.The structure of 18 U-shaped grooves 13 is identical, and it is evenly distributed to be divided into six rows.U-shaped groove 13 has a translot and two pods that are connected, and two pods are communicated in the both ends of translot respectively.Per two U-shaped grooves 13 shared pods that the left and right sides is adjacent.The translot of per two U-shaped grooves 13 that the left and right sides is adjacent staggers mutually.
The face-piece part that is positioned at each U-shaped groove 13 all constitutes elastic cantilever 15.Each elastic cantilever 15 all constitutes a button portion.
The structure of each elastic cantilever 15 is identical.Each elastic cantilever 15 present positions lay respectively at the top of each corresponding thin film switch 31 present position.It is the top that each button portion present position lays respectively at each corresponding thin film switch 31 present position.
The upper surface of each button portion is respectively equipped with the corresponding symbol mark structure.Each sign flag structure is generally letter and number or function key, and it is as the sign flag structure on each button on the existing mobile phone.The sign flag structure on elastic cantilever 15 surfaces can adopt traditional spraying cutting processing processes to form, and its product appearance also can be rich and varied.
Face-piece adopts injection mo(u)lding, and its material adopts has good flexible transparent PC plastic.
The thickness of connection part 151 equates that with the thickness of suspending part 152 be A, the A value is generally 1.0～1.2mm; This be because: thickness will strengthen the injection mo(u)lding difficulty less than 1.0mm, occurs locally shrinking problems such as bad order; Thickness will strengthen the couple stroke greater than 1.2mm, causes feel bad.
The thickness of arm 153 is B, and the B value is generally 0.5～0.7mm.This value is by drawing after test of button couple stroke and the test of structural fatigue degree.
Button couple stroke test: in this test, respectively the different elastic cantilever of thickness B value is carried out the test of couple stroke.The thickness B value is 0.76mm, 0.66mm, 0.56mm, 0.46mm.Because different DOME specifications will embody different values, so the DOME specification that product adopts is that FDC-5662-NORE:190gf tests.Test result is as follows:
| Sequence number | B thickness | FP | FPDIS. | FC | FCDIS. | CC(％) |
| 1 | 0.76mm | 325.3 | 0.544 | 272.7 | 0.602 | 16.2 |
| 2 | 0.66mm | 306.2 | 0.42 | 205.1 | 0.467 | 33 |
| 3 | 0.56mm | 294.3 | 0.463 | 203.3 | 0.502 | 30.9 |
| 4 | 0.46mm | 335.5 | 0.541 | 233.1 | 0.577 | 30.5 |
Explanation of nouns: FP: DOME was in the moment of crest when different elastic cantilevers moved;
FPDIS: DOME was at the stroke of crest when different elastic cantilevers moved;
FC: DOME was in the moment of trough when different elastic cantilevers moved;
FCDIS: DOME was at the stroke of trough when different elastic cantilevers moved;
CC：(FP-FC)/FP×100％。
Result of the test: by above data as can be seen, in the test of couple stroke, the B value is 0.46mm/0.56mm/0.66mm, and then feel is better; The B value is 0.76mm, and then feel is relatively poor.So the B value is 0.5-0.7mm, then has feel preferably.
The test of structural fatigue degree: we carry out the structural fatigue test to the different elastic cantilever of thickness B value respectively in this test.The thickness B value is 0.76mm, 0.66mm, and 0.56mm, 0.46mm, it is 4pcs that test drops into quantity.Test result is as follows:
| 1.0 simulated operation experiment | |||||
| Environmental condition | Temperature: 26 ℃ of humidity: 42% | ||||
| Sequence number | Project | Test standard and condition | B thickness | Experimental result | Conclusion |
| 1 | Fatigue test | Pressure 250gf, speed is 40 times/min, each touch potential 100000 times, per 2000 times as each assay intervals, test back outward appearance, structure, function meets the requirements. | 0.76mm | Normally | Qualified |
| 2 | 0.66mm | Normally | |||
| 3 | 0.56mm | Normally | |||
| 4 | 0.46mm | Normally | |||
Result of the test: by the testing fatigue of the different elastic cantilever of thickness B value, this thickness B value meet the requirements (nothing is lost, fracture, perk phenomenon).So the B value is 0.5-0.7mm, then meets the requirements.
Can draw the B value after comprehensive above-mentioned two button couple strokes test and the test of structural fatigue degree and can be 0.5～0.7mm.
The terminal part bottom that is positioned at suspending part 152 is provided with the breach 154 of stepping down.The first step 155 that constitutes between arm 153 and the suspending part 152 is a perpendicular steps.The second step 156 that constitutes between arm 153 and the connection part 151 is the circular arc step, and the pairing central angle of this circular arc is the right angle, and its radius is A-B.The end face of connection part 151 is the inclined-plane, this make connection part 151 times little big.These elastic cantilever 15 functions can be equivalent to conventional keys.
End silica gel 2 comprises 21,18 projectioies 22 of matrix and 18 key bodies 23.18 projectioies 22 are located on the matrix 21, each projection 22 comprise horizontal stroke protruding, two vertical protruding.Adjacent per two projectioies in the left and right sides 22 shared one vertical protruding; And the horizontal protruding of per two projectioies 22 that the left and right sides is adjacent staggered mutually.The arrangement and the position of the arrangement of 18 projectioies 22 and position and 18 U-shaped grooves 13 are suitable.Projection 22 is up-small and down-big, and the shape of its upper top structure and U-shaped groove 13 is suitable, and the upper top of projection 22 is in U-shaped groove 13.The side of projection 22 and the end face of connection part 151 fit.18 key bodies 23 are located at matrix 21 times, and its position is right against directly over the thin film switch 31.
End silica gel is common silica gel.The pliability of face-piece PC and end silica gel combine, and judge that through test this integrated structure can reach good hand feeling and the conduction that common key-press has.
The operation principle of this keyboard components is: the user pushes elastic cantilever 15, and elastic cantilever 15 presses down end silica gel 2, makes the key body 23 and 31 contacts of corresponding thin film switch of end silica gel 2, makes these thin film switch 31 conductings.
Another embodiment of the present invention, as shown in Figure 4, itself and embodiment one difference are: facing the wall and meditating offers seven second U-shaped grooves 16 and a square shape groove 14 on 11.Square shape groove 14 is used to place display screen.The structure of seven second U-shaped grooves 16 is identical.The second U-shaped groove 16 has a pod and two translots that are connected, and two translots are communicated in the both ends of pod respectively.Per two second U-shaped grooves 16 shared translots that the left and right sides is adjacent.The pod of per two second U-shaped grooves 16 that the left and right sides is adjacent staggers mutually.
The face-piece part that is positioned at each second U-shaped groove 14 all constitutes elastic cantilever 15.Each elastic cantilever 15 all constitutes three button portions.
Each button portion present position lays respectively at the top of each corresponding thin film switch 31 present position.
The upper surface of each button portion is respectively equipped with the corresponding symbol mark structure.Each sign flag structure is generally letter and number or function key, and it is as the sign flag structure on each button on the existing mobile phone.The sign flag structure on elastic cantilever 15 surfaces can adopt traditional spraying cutting processing processes to form, and its product appearance also can be rich and varied.
The structure of silica gel of the corresponding end 2 also changes.It comprises matrix, seven second projection and 18 key bodies.Seven second projectioies are located on the matrix, each second projection comprise one vertical protruding, two horizontal strokes are protruding.Neighbouring per two second shared horizontal strokes of projection are protruding; And the vertical protruding of per two second projectioies that the left and right sides is adjacent staggered mutually.Second projection is up-small and down-big, and the shape of its upper top structure and the second U-shaped groove 16 is suitable, and the upper top of second projection is in the second U-shaped groove 16.
Another embodiment of the present invention, as shown in Figure 5, itself and embodiment one difference are: described sidewall 12 comprises two longitudinal side walls and two horizontal sidewalls.The local extension downwards of the lower surface of a longitudinal side wall constitutes elasticity protruded arm 121; Elasticity protruded arm 121 constitutes button portion.
The above, it only is the utility model preferred embodiment, so can not limit the scope that the utility model is implemented with this, i.e. the equivalence of doing according to the utility model claim and description changes and modifies, and all should still belong in the scope that the utility model patent contains.
Claims (10)
1, a kind of keyboard components of electronic equipment comprises face-piece, end silica gel and mainboard, it is characterized in that: silica stationary of the described end is adhered to the face-piece lower surface; Mainboard is provided with several thin film switches; Face-piece has main body and several can push the button portion of elastically deformable that end silica gel makes a thin film switch conducting of each correspondence, the number of button portion equates with the number of thin film switch, and each button portion present position is corresponding with corresponding thin film switch present position respectively; All button portions and main body are one-body molded.
2, the keyboard components of a kind of electronic equipment according to claim 1 is characterized in that: offer several grooves on the main body of described face-piece, the face-piece part that is positioned at each groove all constitutes elastic cantilever; At least be provided with a button portion on each elastic cantilever.
3, the keyboard components of a kind of electronic equipment according to claim 1 is characterized in that: the part of the end face of the main body of described face-piece constitutes the elasticity protruded arm to extending away from this end face direction; The elasticity protruded arm constitutes button portion.
4, according to the keyboard components of claim 1 or 2 or 3 described a kind of electronic equipments, it is characterized in that: the main body of described face-piece comprises the sidewall that the periphery of facing the wall and meditating and face the wall and meditate extends downwards.
5, the keyboard components of a kind of electronic equipment according to claim 4 is characterized in that: on described all grooves all are opened in and face the wall and meditate; Flexible protruded arm all is located at the side wall lower ends face.
6, the keyboard components of a kind of electronic equipment according to claim 2 is characterized in that: described groove is the U-shaped groove; U-shaped groove number equates with the number of thin film switch; The face-piece part that is positioned at each U-shaped groove all constitutes elastic cantilever; Each elastic cantilever all constitutes a button portion.
7, the keyboard components of a kind of electronic equipment according to claim 6 is characterized in that: the structure of described each U-shaped groove is identical, all has a translot and two pods, and two pods are communicated in the both ends of translot; The shared pod of two U-shaped grooves that the left and right sides is adjacent.
8, the keyboard components of a kind of electronic equipment according to claim 7, it is characterized in that: silica gel upper surface of the described end has several up-small and down-big projectioies, the number of projection equates with the number of U-shaped groove, and, the upper top structure of projection and the shape of U-shaped groove are suitable, and the upper top of projection is in the U-shaped groove.
9, the keyboard components of a kind of electronic equipment according to claim 8 is characterized in that: the structure of described each elastic cantilever is identical, all has a suspending part and an arm; An end of arm is fixedly arranged on suspending part, and another end is fixedly arranged on the connection part of face-piece; The thickness of described suspending part is 1.0～1.2mm, and the thickness of arm is 0.5～0.7mm; The terminal part bottom of suspending part is provided with the breach of stepping down.
10, according to the keyboard components of claim 1 or 2 or 3 described a kind of electronic equipments, it is characterized in that: described electronic equipment is mobile phone, PDA or walkman.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520083895 CN2798284Y (en) | 2005-06-02 | 2005-06-02 | Keyboard assembly for electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520083895 CN2798284Y (en) | 2005-06-02 | 2005-06-02 | Keyboard assembly for electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2798284Y true CN2798284Y (en) | 2006-07-19 |
Family
ID=36869531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520083895 Expired - Fee Related CN2798284Y (en) | 2005-06-02 | 2005-06-02 | Keyboard assembly for electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2798284Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102546881A (en) * | 2011-12-31 | 2012-07-04 | 广东步步高电子工业有限公司 | Mobile phone keys |
| CN102572044A (en) * | 2012-01-17 | 2012-07-11 | 广东步步高电子工业有限公司 | Mobile communication terminal and key device thereof |
| CN102760604A (en) * | 2012-06-19 | 2012-10-31 | 惠州Tcl移动通信有限公司 | Mobile communication terminal and button |
-
2005
- 2005-06-02 CN CN 200520083895 patent/CN2798284Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102546881A (en) * | 2011-12-31 | 2012-07-04 | 广东步步高电子工业有限公司 | Mobile phone keys |
| CN102572044A (en) * | 2012-01-17 | 2012-07-11 | 广东步步高电子工业有限公司 | Mobile communication terminal and key device thereof |
| CN102760604A (en) * | 2012-06-19 | 2012-10-31 | 惠州Tcl移动通信有限公司 | Mobile communication terminal and button |
| CN102760604B (en) * | 2012-06-19 | 2016-03-30 | 惠州Tcl移动通信有限公司 | Communication terminal and button thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: AMOI TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: AMOI ELECTRONICS CO., LTD. Effective date: 20100527 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 361012 NO.45, TIYU ROAD, XIAMEN CITY, FUJIAN PROVINCE TO: 361000 4/F, NO.22, GUANRI ROAD, SECOND PHASE OF XIAMEN SOFTWARE PARK, FUJIAN PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20100527 Address after: 361000 Fujian province Xiamen software park two sunrise Road No. 22 4 floor Patentee after: Amoi Electronics Co., Ltd. Address before: 361012 No. 45, sports road, Fujian, Xiamen Patentee before: Xiaxin Electronic Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060719 Termination date: 20120602 |