CN201327783Y

CN201327783Y - Keystoke structure

Info

Publication number: CN201327783Y
Application number: CNU2008201343808U
Authority: CN
Inventors: 王千龙
Original assignee: Kinpo Electronics Inc
Current assignee: Kinpo Electronics Inc
Priority date: 2008-10-09
Filing date: 2008-10-09
Publication date: 2009-10-14
Anticipated expiration: 2018-10-09

Abstract

The utility model relates to a keystoke structure which comprises a keycap and a bracket, wherein, the keycap is provided with a hooking component (or a buckling component) and a guide pole, and the bracket is provided with a retaining component. The hooking component can be embedded in the retaining component to prevent the keycap separating from the bracket when responding the knock of an operator; the guide pole corresponds to the keycap; a plurality of open orbits are formed on the bracket to limit the guide pole, so that the keycap is kept moving along a vertical reference axis in the bracket; and the keycap is limited so as not to generate lateral displacement. The keystoke structure has the advantage of simple manufacture, and can improve the situations in the prior art that the actuating is not smooth, etc.

Description

Press-key structure

Technical field:

The utility model relates to a kind of press-key structure; Be meant a kind of carriage that is used for limiting keycap especially, dispose, and changed the structure of matching relationship of the guide pillar of bracket and keycap towards the track of direction initialization opening.

Background technology:

Use electronics implements (for example calculator, mobile phone, the computer etc.) device of keyboard that one printed circuit board (PCB) is arranged, print electroplax and be provided with one and can respond keyboard and knock or press down, and produce the conductive layer of a deflection; Conductive layer has the contact of leading of a plurality of corresponding keyboards or keycap, when keyboard is knocked and printed circuit board (PCB) form and to be electrically connected.Keyboard includes keycap and is used for detaining the carriage of keycap, has been known technology; For example, No. 86263405 " the highly computer keyboard key cellular construction of reduction improvement " patent case of TaiWan, China provides a typical embodiment.

No. 86263405 patent case put down in writing known button by keycap and be embedded body (or carriage) two partly institute form; Body has the antelabium of protrusion, allows keycap embed.Except integrally-built height was higher, during operation, keycap sometimes had the situation of the restriction of throwing off body or antelabium.In order to improve described problem, this patent case provides a combining structure that comprises three-member types such as keycap, body and cushion pad, make body really embedding live keycap; And, the height of body antelabium is reduced to minimum as far as possible, the height of whole press-key structure is reduced.

The problem of relevant this class button is in the operational phase, when being knocked, produce lateral displacement (or in the displacement that produces on the horizontal reference plane on x or the y axle) in order to reduce button as far as possible, cause button not touch the instruction of leading contact or generation mistake start or input error of conductive layer really, known technology has also disclosed special structure, guide button when being knocked, on a vertical reference axis, move.For example, TaiWan, China No. 86201575 " key device ", No. 96210003 " press-key structure " patent of TaiWan, China case etc. provide the scissor linkage of a kind of structure and assembly more complicated, control the motion of keycap on a vertical reference axis.

No. 86263405 patent case of above-mentioned TaiWan, China disclosed a kind of structure kenel of using guide pillar and circular guide holes cooperation, allows button vertically move on the reference axis.In more detail, it is provided with four socles respectively on cushion pad, and socle is provided with circular guide holes; To should socle, keycap be provided with columned guide pillar, and guide pillar is inserted in the circular guide holes.Therefore, when keycap was knocked, the guide pillar of keycap was only allowed in the circular guide holes of cushion pad to vertically move, and stops keycap to produce lateral displacement.

But, just as those personnel that know this technology know, the above-mentioned socle circular guide holes and the cooperation of guide pillar for the manufacturing of industry, are that some problem need be considered.For example, do not have the situation of lateral displacement when making the keycap start really, the requirement of the adaptation that cooperates between this circle guide pillar and the socle guide hole is than higher; In fact, also must consider the problem that the out of roundness between four guide pillars and the guide hole cooperates and controls.Therefore, on making, than the situation that is easier to occur faulty materials.

Another problem about this guide pillar and socle guide hole is its situation in application facet; If the cooperation of guide pillar and socle guide hole, when meeting the high condition of above-mentioned adaptation, the smoothness of the influential keycap start of regular meeting or the situation of sensitivity again.Described situation has comprised guide pillar and the socle guide hole problem of the contact friction between all surfaces or interference each other, and that this situation is not for we is desired.

Representational, these reference datas have shown aspect the button of electronics implements, relevant for keycap and the designing technique that is embedded body or carriage assembly; They reflect that also the structural design of these buttons will meet when being operated, can not produce under the condition of lateral displacement, attempt has structure simultaneously, makes simply again, and improve start irregularity in the old law or make guide pillar and guide hole between friction reduced to situations such as minimum as much as possible or between these conditions, averaged out, to meet dealer and user's situations such as demand, be an awkward problem.

The utility model content:

Technical problem to be solved in the utility model is: at above-mentioned the deficiencies in the prior art, provide a kind of press-key structure, its structure, make simply, can improve in the old law situations such as start irregularity.

In order to solve the problems of the technologies described above, the technical scheme that the utility model adopted is: a kind of press-key structure, form by a keycap and a carriage; This keycap comprises a roof, a base portion that protrudes from roof bottom and is formed on several guide pillars on the base portion; This carriage defines a cave that holds the base portion of keycap; Be characterized in: described carriage is provided with several open tracks corresponding to these several guide pillars, and this track limits this guide pillar jointly.

The utility model also proposes a kind of press-key structure, has a carriage; This carriage comprises a cave; Be characterized in that described carriage also comprises the track that several are open.

Compared with prior art, the utlity model has following advantage:

1, the carriage of this press-key structure has stopper, but this hook portion is lived in embedding, makes keycap when the knocking of operation response person, and can not leave carriage; The guide pillar of corresponding keycap, carriage is provided with several open tracks, limits this guide pillar jointly, keycap is maintained on the interior vertical reference axes of carriage moves, and the restriction keycap can not produce lateral displacement.

2, the guide pillar of this keycap contacts with the cooperation formation line of track, makes the friction situation between guide pillar and the track, is reduced to minimum as much as possible.

3, carriage defines a cave, holds the base portion of keycap.Therefore, carriage and keycap base portion form the kenel that coincides, and the whole height of button is reduced as much as possible.

4, the linear contact matching of this guide pillar and track is configured on cornerwise four corner location (or crestal line) of keycap or base portion, is subjected to the restriction of each track respectively, and makes button produce displacement (or lateral displacement) on reference axis at x or y.Therefore, on making, the utility model is a beasurement base with the long diagonal distance (being the allocation position of guide pillar or track) of length; Manufacturing compared to button of the prior art is a size of measuring long limit or broadside, and the foozle of this press-key structure will be obviously little than the error of known button.

For novelty, the characteristics that the utility model had, and other purpose and effect, will cooperate appended graphic explanation in detail hereinafter, and be tending towards understanding;

Description of drawings:

Fig. 1 is the decomposing schematic representation of the utility model keycap, carriage and conductive layer etc.

Fig. 2 is the combination dissected figure of Fig. 1.

Fig. 3 is the start embodiment schematic diagram of Fig. 2.

Fig. 4 is the sectional schematic diagram of the utility model keycap and carriage combination.

Label declaration:

10 keycaps, 11 roofs

12 base portions, 13 hook portions

14 guide pillars, 20 carriages

21 caves, 22 stoppers

23 tracks, 30 conductive layers

31 chambers 32 are led the contact

33 taper profiles

Embodiment:

See also Fig. 1, Fig. 2, press-key structure of the present invention includes a keycap and a carriage, generally respectively with Ref. No. 10,20 expressions; In a typical embodiment, this keycap 10 and carriage 20 are fitted on the conductive layer 30.Basically, conductive layer 30 is similar known technologies, is arranged on the printed circuit board (PCB) (not shown).Conductive layer 30 defines a chamber 31, leads contact 32; When leading contact 32 when contacting, can form the electrically conducting state with printed circuit board.This conductive layer 30 forms a taper profile 33 substantially, make described conductive layer 30 have an elastic mechanism, and allow that it is when button is knocked or presses down, produce a deflection allow lead contact 32 can be as vertical reference direction (or z is to reference axis) top offset among Fig. 2, and set up above-mentioned electrically conducting or not on-state, the partly shown situation of the imaginary line of Fig. 3 for example.

Adopt in the preferred embodiment at the utility model, this keycap 10 comprises that a confession user pushes or operate the base portion 12 of roof 11, the downward protrusion from roof 11 bottoms that knocks, and keycap 10 also has several hook portions (or button portion) 13; Shown among the figure hook portion 13 be configured in this base portion 12 around.In the embodiment that is adopted, base portion 12 is a square cylinder, and four crestal lines on the z direction of principal axis have been defined on each adjacent limit jointly; Form the columned guide pillar 14 of convergence along each vallate line.

Fig. 1 has also described this carriage 20 and has defined a cave 21, holds the base portion 12 of keycap 10.Therefore, carriage 20 and keycap base portion 12 form the kenel that coincides, and the whole height of button is reduced as much as possible.Correspond to the hook portion 13 of this keycap 10, the periphery in carriage cave 21 has several stoppers 22, lives this hook portion 13 in order to embedding, and example is situation as shown in Figure 2.In a preferred embodiment, carriage 20 is provided with the track 23 of the open kenel of a plurality of one-tenth; Track 23 is configured on four corner location in cave 21, is used for limiting jointly the guide pillar 14 of this keycap 10, makes keycap 10 when the knocking of operation response person, and the z that are maintained in the carriage 20 move on reference axis; And restriction keycap 10 can not produce displacement at x or y on reference axis.

In a feasible embodiment, the above-mentioned guide pillar 14 and the allocation position of track 23 can change; For example, guide pillar 14 and track 23 are configured on the position of base portion 12 and cave 21 peripheries respectively.

Therefore, Fig. 4 discloses especially when keycap base portion 12 is packed the cave 21 of carriage 20 into, and guide pillar 14 also is limited in track 23 the insides; On the z direction of principal axis, the guide pillar 14 of this keycap 10 forms the kenel that line contacts with the cooperation of track 23, makes the friction situation between guide pillar 14 and the track 23, is reduced to minimum as much as possible.Therefore, in known technology, consider the problem that the out of roundness between four guide pillars and the guide hole cooperates and controls, or in order to make the cooperation of guide pillar and socle guide hole, meet the high condition of adaptation, and influence the smoothness of keycap start or the situation of sensitivity etc., obtain significantly to improve.

What must be illustrated is, the linear contact matching of this guide pillar 14 and track 23, be configured on cornerwise four corner location (or crestal line) of keycap 10 or base portion 12, be subjected to the restriction of each track 23 respectively, and make button on reference axis, produce displacement (or lateral displacement) at x or y.Therefore, on making, the utility model is a beasurement base with the long diagonal distance (being the allocation position of guide pillar 14 or track 23) of length; The manufacturing of the button in the known technology is a size of measuring long limit or broadside, and the foozle of the utility model press-key structure will be obviously little than the error of known button.

For example, suppose that the long limit that guide pillar 14 or track 23 drop points are defined and the numerical value of broadside are 1, if then their catercorner length is that measurement or foozle that √ 2 allows are 0.1, then the long limit that obtains of the utility model and the foozle of broadside will have only 0.07, and obvious error than long limit in the known technology or broadside is that 0.1 the margin of error is littler.In other words, compared to known technology, the utility model comprises the two-piece structure of keycap 10, carriage 20, and the cooperation kenel of guide pillar 14 and track 23, and is simpler on making, and can obtain meticulousr structural design.

Representational, this press-key structure is at the known technology compared to button, a different design concept is provided, the structural design that makes button is meeting when being operated, can not produce under the condition of lateral displacement, has structure again simultaneously, make simple, and improve start irregularity in the known technology or make guide pillar and guide hole between friction reduced to situations such as minimum as much as possible, the demand that has met dealer and user, the consideration of its configuration setting or space kenel, obviously be different from known technology, and have advantage incomparable in the known technology, represented sizable progress.

Claims

1. a press-key structure is made up of a keycap and a carriage; This keycap comprises a roof, a base portion that protrudes from roof bottom and is formed on several guide pillars on the base portion; This carriage defines a cave that holds the base portion of keycap; It is characterized in that: described carriage is provided with several open tracks corresponding to these several guide pillars, and this track limits this guide pillar jointly.

2. press-key structure as claimed in claim 1 is characterized in that: described base portion is square cylinder, and each adjacent limit defines a crestal line jointly; Form described guide pillar along each vallate line.

3. press-key structure as claimed in claim 2 is characterized in that: described guide pillar levels off to cylinder.

4. press-key structure as claimed in claim 1 is characterized in that: described guide pillar contacts with orbit-shaped is linear.

5. press-key structure as claimed in claim 1 is characterized in that: described track configurations is on four corner location in cave.

6. press-key structure as claimed in claim 1 is characterized in that: described keycap has several hook portions.

7. press-key structure as claimed in claim 6 is characterized in that: described hook portion be configured in this base portion around.

8. press-key structure as claimed in claim 1 is characterized in that: described carriage has several stoppers.

9. press-key structure as claimed in claim 8 is characterized in that: described stopper is configured on the peripheral position in this cave.

10. a press-key structure has a carriage; This carriage comprises a cave; It is characterized in that: described carriage also comprises the track that several are open.

11. press-key structure as claimed in claim 10 is characterized in that: described track configurations is on four corner location in cave.

12. press-key structure as claimed in claim 10 is characterized in that: described carriage has several stoppers.

13. press-key structure as claimed in claim 12 is characterized in that: described stopper is configured on the peripheral position in this cave.