CN201219076Y

CN201219076Y - Key and keyboard

Info

Publication number: CN201219076Y
Application number: CNU2008201049710U
Authority: CN
Inventors: 蔡磊龙; 柴永年
Original assignee: Darfon Electronics Corp
Current assignee: Darfon Electronics Corp
Priority date: 2008-05-06
Filing date: 2008-05-06
Publication date: 2009-04-08
Anticipated expiration: 2018-05-06

Abstract

The utility model discloses a key and a keyboard using the key. The key comprises a scissor-type support structure and a key cap. The scissor-type support structure comprises a first arm component. The first arm component has a first axis. The bottom of the key cap forms a limiting component. The limiting component has a limiting portion and a stopper. The end of the limiting portion and the end of the stopper form an opening.

Description

Button and keyboard

Technical field

The utility model relates to a kind of button (keyswitch) and uses the keyboard (keyboard) of this button, particularly relate to a kind of button and keyboard that keycap vertically can be assembled on the scissor supporting construction (scissors-likesupporting structure), can reach semi-automatic assembling thus, enhance productivity and reduce the purpose of disqualification rate.

Background technology

With regard to the use habit of present PC, keyboard is one of indispensable input equipment, in order to input characters or numeral.And,, a kind of scissor structure can be set under the keycap of button usually for the application of force of balance user on each button for the button on the keyboard, do vertical moving in order to the guiding keycap.Therefore,, the application of force can both be scattered in fifty-fifty on the whole button face, make that press whole button becomes very simple, also allow more easily operation push-button of user no matter force in the side or the corner of button.

Along with information prosperity, scientific and technological progress, the application of electronic product is also more and more universal.For example, in order to be more suitable for meeting the industry and commerce development, business contact is more frequent, closer, notebook computer in response to and give birth to.For the space keyboard (for example, ultrathin notebook computer) of the portable electronic devices of strict requirement for restriction is arranged, the height of button just can not be too high, therefore needs this scissor structure in order to operation especially.

See also Figure 1A and Figure 1B.Figure 1A illustrates the schematic diagram that the keycap 12 that has button 1 now is assembled in the phase I on the scissor supporting construction 14.Figure 1B illustrates the schematic diagram that the keycap set 12 that has button 1 now is loaded on the second stage on the scissor supporting construction 14.Shown in Figure 1A and Figure 1B, the scissor supporting construction 14 that button 1 comprises base plate 10, keycap 12 and comprises the first arm member (arm member) 142 and second arm member 144.The first arm member 142 and second arm member 144 are arranged between base plate 10 and the keycap 12 and intersect to articulate and be " X " shape.The step of the assembling the first arm member 142 and second arm member 144, be earlier 1442 of second time drive-connecting shafts of first time drive-connecting shaft 1422 of the first arm member 142 bottoms and second arm member, 144 bottoms not to be sticked in the first time Pivot component 102 and second time Pivot component 104 of base plate 10, make the first arm member 142 and second arm member 144 and base plate 10 be combined into semi-finished product.Then, again keycap 12 is assembled in the top of the first arm member 142 and second arm member 144.

Shown in Figure 1A and Figure 1B, the bottom of keycap 12 is to be provided with to have the limiting member 122 of horizontal snap openings, and the last Pivot component 124 with vertical snap openings.When keycap 12 being assembled in scissor supporting construction 14, want usually earlier keycap 12 tilt angle alpha substantially, again with the first arm member 142 tops first on drive-connecting shaft 1424 embed and have in the limiting member 122 of horizontal snap openings, shown in Figure 1A.Then, again keycap 12 is down pushed, make last Pivot component 124 with vertical snap openings and second arm member, 144 tops second on drive-connecting shaft 1444 chimeric mutually, shown in Figure 1B.

Yet the above is loaded on assembling mode on the scissor supporting construction about tradition with keycap set, must assemble in artificial mode, and can't promote the speed of assembling effectively, the omission in the time of also may causing assembling easily and not knowing.In addition, the assembling power is uppity becomes because of also causing the keycap in the button or the damage of scissor supporting construction easily.

Therefore, main category of the present utility model is to provide a kind of button, and the formed limiting member in the bottom of its keycap forms an opening.When limiting member with its opening substantially vertically towards first when extruding, first can be by block strain with restricted ground and be connected in limiting member movably.Thus, the angle that in the past keycap tilted can be solved with the problem that mode was caused that is assembled on the scissor supporting construction.Except the yield that can improve production and the man-hour that shortens assembling, more can make it possess conveniences such as easy to use, dismounting, maintenance, cleaning.

The utility model content

A purpose of the present utility model is to provide a kind of button.Button comprises scissor supporting construction and keycap.Scissor supporting construction comprises the first arm member, and the first arm member has first.Limiting member is formed on the bottom of keycap, and limiting member has restrictions and block.The end of restrictions and the end of block form opening.When limiting member with opening towards first when extruding, first by the block strain with restricted ground and be connected in limiting member movably.

Another category of the present utility model is to provide a kind of keyboard.Keyboard comprises a plurality of buttons and base plate.Each button all comprises scissor supporting construction and keycap.Scissor supporting construction comprises the first arm member, and the first arm member has first.Limiting member is formed on the bottom of keycap, and limiting member has restrictions and block.The end of restrictions and the end of block form opening.These buttons all are arranged on the base plate in the mode that articulates.When the limiting member of each button with its opening during towards first extruding, first by the block strain with restricted ground and be connected movably in this limiting member.

Therefore, advantage of the present utility model is, according to button of the present utility model and keyboard, the formed limiting member in the bottom of its keycap forms an opening, when limiting member with its opening substantially vertically towards first when extruding, first can be by block strain with restricted ground and be connected movably in limiting member, thus, the angle that in the past keycap tilted can be solved with the problem that mode was caused that is assembled on the scissor supporting construction, the utility model is except improving qualification rate of producing button and the man-hour that shortens assembling, and it is easy to use more it to be possessed, dismounting, maintenance, conveniences such as cleaning.

Can be further understood by following utility model detailed description and appended accompanying drawing about advantage of the present utility model and spirit.

Description of drawings

Figure 1A is the schematic diagram that the keycap set of existing button is loaded on the phase I on the scissor supporting construction;

Figure 1B is the schematic diagram that the keycap set of existing button is loaded on the second stage on the scissor supporting construction;

Fig. 2 A is the schematic diagram that the keycap set of the button of a specific embodiment of the present utility model is loaded on the phase I on the scissor supporting construction;

Fig. 2 B is the schematic diagram that the keycap set of the button of a specific embodiment of the present utility model is loaded on the second stage on the scissor supporting construction;

Fig. 2 C is the partial view of the keycap among Fig. 2 A;

Fig. 3 is the schematic diagram of the keyboard of a specific embodiment of the present utility model.

The main element symbol description

1,2,30:

button

10,20,32: base plate

102,202: the first times Pivot components 104,204: the second times Pivot components

12,22: keycap 122,222: limiting member

124: go up Pivot component 14,24: scissor supporting construction

142,242: 1422: the first times drive-connecting shafts of the first arm member

Drive-connecting shaft 144,244: the second arm members on 1424: the first

Drive-connecting shaft on 1442: the second times drive-connecting shafts 1444: the second

2222: restrictions 22222: main body

22224: cantilever 2223: opening

2224: block 224: Pivot component

2422: the three 2424: the first

2442: the four 2444: the second

α: angle

Embodiment

The utility model provides a kind of button and uses the keyboard of this button.And more particularly, it is a kind of button and keyboard that keycap vertically can be assembled on the scissor supporting construction, can reach semi-automatic assembling thus, enhances productivity and reduce the purpose of disqualification rate.Below in detail preferred embodiment of the present utility model will be described in detail, be used for the simplicity that fully explains orally feature of the present utility model, spirit, advantage and implement.

See also Fig. 2 A.Fig. 2 A illustrates the schematic diagram that is assembled in the phase I on the scissor supporting construction 24 according to the keycap 22 of the button 2 of a specific embodiment of the present utility model.Button 2 comprises base plate 20, scissor supporting construction 24 and keycap 22.Scissor supporting construction 24 comprises the first arm member 242 and second arm member 244.The first arm member 242 has first 2424 and the 3rd 2422, and second arm member 244 has second 2444 and the 4th 2442.The first arm member 242 and second arm member 244 are arranged between base plate 20 and the keycap 22, and are " X " pivot joint of shape work intersection.The first arm member 242 and second arm member 244 are assembled in the step of base plate 20, be elder generation's the 4th 2442 first time Pivot component 202 and second time Pivot component 204 that are not sticked in base plate 20, make the first arm member 242 and second arm member 244 be combined into semi-finished product with base plate 20 with the 3rd 2422 and second arm member 244 bottoms of the first arm member 242 bottoms.

Be shown in equally among Fig. 2 A, limiting member 222 is formed on the bottom of keycap 22, and limiting member 222 has restrictions 2222 and block 2224.The end of the end of restrictions 2222 and block 2224 forms opening 2223.When limiting member 222 with opening 2223 during towards first 2424 of the first arm member 242 extruding, first 2424 by block 2224 strains with restricted ground and be connected movably in limiting member 222, this is keycap 22 is assembled in phase I on the scissor supporting construction 24.And,, can reach keycap 22 " vertically " is assembled in purpose on the scissor supporting construction 24 by the structure of above-mentioned limiting member 222.

See also Fig. 2 B.Fig. 2 B illustrates the schematic diagram that is assembled in the second stage on the scissor supporting construction 24 according to the keycap 22 of the button 2 of a specific embodiment of the present utility model.Pivot component 224 is also formed on the bottom of keycap 22.When first 2424 of the first arm member 242 after opening 2223 extruding and be limited in the limiting member 222, second arm member 244 also can be connected second 2444 mode by extruding in Pivot component 224.Thus, be keycap 22 is assembled in second stage on the scissor supporting construction 24, the assembly program that keycap 22 is assembled on the scissor supporting construction 24 so far finishes.

In order to reach above-mentioned engaging effect, in one embodiment, the size of opening 2223 is slightly less than first 2424 diameter of the first arm member 242.Thus, when limiting member 222 with opening 2223 during towards first 2424 of the first arm member 242 extruding, could squeeze for first 2424 and open restrictions 2222 and make opening 2223 become big with block 2224, and the distortion by restrictions 2222 and block 2224 recovers and is sticked in movably in the limiting member 222.

In addition, break away from and go out from opening 2223 in order to prevent first 2424 of the first arm member 242, in one embodiment, when button 2 was in minimum pressing position, first 2424 of the first arm member 242 can contact with block 2224 just.Certainly, when button 2 was in minimum pressing position, first 2424 of the first arm member 242 can not contact with block 2224 yet, but the interval between first 2424 and the block 2224 is very little.When block 2224 was arranged on keycap 22 bottoms in above-mentioned mode, extra purpose was to make the length of restrictions 2222 of limiting member 222 shorter compared to traditional keycap.

Know all that these personnel that are noted that the engineering field geometry external form of object outward appearance and size can influence the flexible rigidity (that is, EI value) of object itself.Hence one can see that, if restrictions 2222 length of limiting member 222 more in short-term, the flexible rigidity of restrictions 2222 will improve.Thus, will be than in background technology, according to button 2 of the present utility model, because of the flexible rigidity that contraction in length the caused lifting of restrictions 2222, make in the process that keycap 22 is assembled on the scissor supporting construction 24, can reduce the damage of keycap 22 and scissor support effectively.

In one embodiment, block 2224 is column substantially.Further, block 2224 can also be carried out the processing of chamfering towards the side of opening 2223, make first 2424 of the first arm member 242 can assemble to be connected from opening 2223 easily in limiting member 222.Certainly, the restrictions 2222 of limiting member 222 equally also can be carried out the processing of chamfering towards the side of opening 2223.Thus, can reach reduction keycap 22 is assembled in extruding power on the scissor supporting construction 24, and then more can reduce the damage probability of keycap 22 and scissor support.

See also Fig. 2 C.Fig. 2 C is the partial view that illustrates the keycap 22 among Fig. 2 A.In one embodiment, restrictions 2222 can comprise main body 22222 and cantilever 22224.Main body 22222 forms on the bottom of keycap 22.Cantilever 22224 is outstanding from second main body 22222, shown in Fig. 2 A.Thus, first 2424 of the first arm member 242 after snap-fiting into limiting member 222, cantilever 22224 that can parallel substantially restrictions 2222 moves back and forth.

Be noted that in addition when making any product and will more save time and cost that this all knows for the personnel in any engineering field if can reduce the quantity of manufacture craft.Therefore, in the process of making button 2, the limiting member 222 that comprises restrictions 2222 and block 2224 can be integrally formed with keycap 22, reduces cost and timesaving benefit to reach.

See also Fig. 3.Fig. 3 is the schematic diagram that illustrates according to the keyboard of a specific embodiment of the present utility model.Keyboard comprises a plurality of buttons 30 and base plate 32.All buttons 30 all are arranged on the base plate 32 in the mode that articulates.The structure of each button 30 with and inner each element between mutual start relation, see also above-mentioned detailed description, and the diagram that cooperates Fig. 2 A and Fig. 2 B is in order to understanding about button 2.

What this will illustrate once more be, when the limiting member of each button with its restrictions and the formed opening of block during towards first extruding of its first arm member, first " strain " by block is with restrictedlyly and be connected in limiting member movably.When first of the first arm member after the opening extruding and be limited in the limiting member, second arm member also can be connected second mode by extruding in Pivot component, shown in Fig. 2 A and Fig. 2 B.

In addition, must be stressed that,, can reach keycap " vertically " is assembled in assembly program on the scissor supporting construction by above-mentioned button assembly program at this.All can finish assembly program by above-mentioned assembling mode according to buttons 30 all on the keyboard 3 of the present utility model.

By above detailed description, can find out significantly that according to button of the present utility model and keyboard, the formed limiting member in the bottom of its keycap forms an opening for preferred embodiment of the present utility model.When limiting member with its opening substantially vertically towards first when extruding, first can be by block strain with restricted ground and be connected in limiting member movably.Thus, the angle that in the past keycap tilted can be solved with the problem that mode was caused that is assembled on the scissor supporting construction.And according to button of the present utility model, the flexible rigidity that contraction in length the caused lifting because of restrictions makes and can reduce the damage of keycap and scissor support effectively in the process that keycap set is loaded on the scissor supporting construction.The utility model be except improving qualification rate of producing button and the man-hour that shortens assembling, more can make it possess conveniences such as easy to use, dismounting, maintenance, cleaning.

Claims

1. A button, characterized in that it comprises: a scissors-type support structure and a keycap, the scissors-type support structure comprises a first arm member, the first arm member has a first axis, and the bottom of the keycap forms a limiting member , the restricting member has a restricting portion and a stopper, the end of the restricting portion and the end of the stopper form an opening, wherein when the restricting member is pressed toward the first shaft through the opening, the first shaft passes through the stopper The block is elastically deformed to be limitedly and movably engaged with the restricting member.

2. The key as claimed in claim 1, wherein the size of the opening is smaller than the diameter of the first shaft.

3. The button as claimed in claim 2, wherein when the button is at a lowest pressing position, the first axis is just in contact with the stopper.

4. The button according to claim 1, wherein the stopper is columnar.

5. The button as claimed in claim 4, wherein a side of the stopper facing the opening is chamfered, so that the first shaft can be easily assembled from the opening to engage with the limiting member.

6. The key as claimed in claim 1, wherein the restricting portion comprises a main body and a cantilever, the main body is formed on the bottom of the keycap, and the cantilever protrudes from the main body.

7. The button according to claim 1, wherein the restricting portion has an inverted L-shaped appearance.

8. The key according to claim 1, wherein the restricting portion is integrally formed with the keycap.

9. The button according to claim 1, wherein the scissor-type support structure comprises a second arm member, the second arm member has a second shaft, the bottom of the keycap forms a pivot member, the second The arm member is connected to the pivot member through the second axis.

10. A keyboard, comprising: a plurality of keys and a bottom plate, characterized in that each key comprises: a scissor-type support structure and a keycap, the scissor-type support structure comprises a first arm member, and the first arm member has a second A shaft, the bottom of the key cap forms a restricting member, the restricting member has a restricting part and a stopper, the end of the restricting part and the end of the stopper form an opening, and the plurality of keys are pivotally arranged on the On the base plate, when the limiting member of each button is pressed toward the first shaft through the opening, the first shaft is elastically deformed by the stopper to be limitedly and movably engaged with the limiting member.

11. The keyboard as claimed in claim 10, wherein the size of the opening of each key is smaller than the diameter of the first shaft.

12. The keyboard as claimed in claim 11, wherein the first shaft just contacts the stopper when each key is at a lowest pressed position.

13. The keyboard according to claim 10, wherein the stopper of each key is columnar.

14. The keyboard according to claim 13, wherein the side of the stopper of each key facing the opening is chamfered, so that the first shaft can be easily assembled from the opening to engage with the limiting member .

15. The keyboard as claimed in claim 10, wherein the limiting portion of each key comprises a main body and a cantilever, the main body is formed on the bottom of the keycap, and the cantilever protrudes from the main body.

16. The keyboard as claimed in claim 10, wherein the restricting portion of each key has an inverted L shape.

17. The keyboard as claimed in claim 10, wherein the restricting portion of each key is integrally formed with the keycap.

18. The keyboard as claimed in claim 10, wherein the scissor support structure of each key comprises a second arm member having a second axis, the bottom of the keycap forms A pivot member, the second arm member is connected to the pivot member by the second shaft.