CN108091510B - Press-key structure - Google Patents
Press-key structure Download PDFInfo
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- CN108091510B CN108091510B CN201711484388.7A CN201711484388A CN108091510B CN 108091510 B CN108091510 B CN 108091510B CN 201711484388 A CN201711484388 A CN 201711484388A CN 108091510 B CN108091510 B CN 108091510B
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- light
- press
- side wall
- key structure
- guiding pillar
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/02—Details
- H01H13/023—Light-emitting indicators
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Abstract
The invention discloses a kind of press-key structures, and bottom case it includes upper cover, in conjunction with upper cover, is set to bottom case and actuation intercolumniation and pushes up the cyclic spring device and the trapezoidal light-guiding pillar of class of actuation column the actuation column to move up and down relative to upper cover.The arc upstanding sidewall and bottom opening that bottom case has bottom case inner surface, has side wall notch, and bottom case inner surface section is divided into side wall surrounding area and the non-surrounding area of side wall by arc upstanding sidewall.The horizontal extension section of the trapezoidal light-guiding pillar of class is set in bottom opening, and the vertical extension member of the trapezoidal light-guiding pillar of class is set in arc upstanding sidewall.When press-key structure is arranged on circuit boards, the light source of circuit board is to just horizontal extended segment, and light is guided via the transmitting of the trapezoidal light-guiding pillar of class to the top surface of vertical extension member.The present invention can promote visuality of the press-key structure under environment dark or that illumination is insufficient, and meet user for key on aesthetic appearance, visual texture or stimulation degree the needs of.
Description
Technical field
The present invention relates to a kind of press-key structures.Specifically, the present invention relates to a kind of press-key structures for having light-guiding function.
Background technique
Key is the important tool for being used to input information and instruction and switching state in the various devices comprising electronic device,
And it has become people in advanced information society and generally uses and indispensable must be equipped with.Therefore, in addition to basic function
Property other than, many users also it is expected can to improve the structure design of key, use the aesthetic appearance for promoting key, the view for promoting key
Feel texture or reinforces the visual stimulus etc. of key.
On the other hand, when environment is excessively dim or illumination is insufficient, often there is the problem of identification difficulty using key, and may
Increase input error or visually impaired probability.In view of above-listed reason, it is necessary to design can reinforce under low lighting environment can
Depending on property, and can further satisfaction improve the press-key structures of the demands such as aesthetic appearance, visual texture or stimulation degree.
Summary of the invention
The purpose of the present invention is to provide a kind of press-key structures, to promote press-key structure in the dark or insufficient environment of illumination
Under visuality.
In order to achieve the above object, the present invention proposes a kind of press-key structure, and for being arranged on circuit boards, which has
Light source, the light source emit beam, which includes: upper cover, bottom case, actuation column, cyclic spring device and class is trapezoidal leads
Light beam.For the upper cover in conjunction with the bottom case, which has bottom case inner surface, arc upstanding sidewall and bottom opening, and the arc is straight
Vertical side wall has side wall notch, which is divided into side wall surrounding area for the bottom case inner surface section and does not surround with side wall
Area, the bottom opening are formed in the bottom case inner surface and are connected with the side wall notch, and the bottom opening is from the non-surrounding area of the side wall
Extend to the side wall surrounding area；The actuation column has column bottom surface, which can move up and down relative to the upper cover, the column bottom
In face of the just side wall surrounding area；Cyclic spring device is set to the bottom case and the actuation intercolumniation and surround the arc upstanding sidewall,
The cyclic spring device pushes up the actuation column；Such trapezoidal light-guiding pillar has horizontal extension section and vertical extension member, the water
Flat extended segment has outer edge and center-side, which is set in the bottom opening, which is located at the side wall
Non- surrounding area, the center-side are located at the side wall surrounding area, which is set in the arc upstanding sidewall；Wherein when this
When press-key structure is arranged on the board, the light source is to the just horizontal extension section, and the light is sequentially via the horizontal extension section
Transmitting with the vertical extension member and enter in the side wall surrounding area, and travel upwardly and enter from the top surface of the vertical extension member
In the column bottom surface.
As optional technical solution, which further includes keycap, which further has capital face,
The keycap is connected to the capital face, which continues to travel up to the capital face and illuminate the keycap after entering the column bottom surface.
As optional technical solution, which is C-shaped upstanding sidewall, which has in C-shaped
Surface, the vertical extension member have circular arc lateral wall, and the C-shaped inner surface is close to the circular arc lateral wall.
As optional technical solution, which further has upright strip lateral wall, outside the upright strip
Side wall is to just filling up the side wall notch.
As optional technical solution, which has the first incidence surface and the second incidence surface, this first enters light
Face is located at the center-side, which is located at the outer edge, when the light source is located at below first incidence surface, the light
Straight line travels upwardly and reaches the top surface of the vertical extension member, when the light source is located at below second incidence surface, the light
It advances by plural secondary reflection and reaches the top surface of the vertical extension member.
As optional technical solution, such trapezoidal light-guiding pillar has light-emitting surface, the first incidence surface, the second incidence surface, the
One reflecting slant and the second reflecting slant；Wherein, which is located at the top surface of the vertical extension member, first incidence surface
Opposite with the light-emitting surface, which is adjacent to first incidence surface, which is located at first incidence surface
Side, and second reflecting slant is opposite with first reflecting slant.
As optional technical solution, by second incidence surface incidence the light sequentially via second reflecting slant with
And first reflecting slant or the vertical extension member side reflection and emit from the light-emitting surface.
As optional technical solution, side of the vertical extension member between the light-emitting surface and first reflecting slant
For curved surface.
As optional technical solution, which further has the opposite bottom case inner surface positioning mechanism outstanding, and
Positioning mechanism setting is adjacent to the horizontal extension section to position such trapezoidal light-guiding pillar.
As optional technical solution, such trapezoidal light-guiding pillar further includes a pair of of positioning tabs, this is to positioning tabs
The two sides of the horizontal extension section are set to, and such trapezoidal light-guiding pillar positioning mechanism when the bottom opening is set and supports this right
Positioning tabs.
As optional technical solution, which is round, polygonal or irregular shape cylinder, and the water
Flat extended segment is section shape cylinder triangular in shape or trapezoidal.
As optional technical solution, such trapezoidal light-guiding pillar is L-type light-guiding pillar.
Press-key structure of the invention includes that the trapezoidal light-guiding pillar of class with the bottom incidence surface greater than top light-emitting surface can be led
Draw more light to be incident at the top of press-key structure, so that press-key structure can shine when on the light source for be set to circuit board.Whereby,
Visuality of the press-key structure under environment dark or that illumination is insufficient can further be promoted, and luminous press-key structure can meet use
Demand of the family for key on aesthetic appearance, visual texture or stimulation degree.
Below in conjunction with the drawings and specific embodiments, the present invention will be described in detail, but not as a limitation of the invention.
Detailed description of the invention
Fig. 1 is the explosive view according to the press-key structure of one embodiment of the invention.
Fig. 2 is the top view according to the bottom case of the press-key structure of one embodiment of the invention.
Fig. 3 is to be installed on showing on bottom case according to the trapezoidal light-guiding pillar setting of class in the press-key structure of one embodiment of the invention
It is intended to.
Fig. 4 is the assembling schematic diagram according to the press-key structure of one embodiment of the invention.
Fig. 5 A and Fig. 5 B for the press-key structure intercepted of the line A-A ' along Fig. 4 cross-sectional view.
Fig. 6 is the signal according to light in the press-key structure of one embodiment of the invention by the trapezoidal light-guiding pillar guidance of class
Figure.
Fig. 7 A and Fig. 7 B be according to the oblique view of the trapezoidal light-guiding pillar of class in the press-key structure of another embodiment of the present invention and
Bottom view.
Fig. 8 is that the trapezoidal light-guiding pillar of class shown in Fig. 7 A and Fig. 7 B is set to the schematic cross-sectional view in press-key structure.
Fig. 9 is the signal according to light in the press-key structure of another embodiment of the present invention by the trapezoidal light-guiding pillar guidance of class
Figure.
Figure 10 is schematic diagram of the press-key structure further with keycap assembling.
Figure 11 is the schematic diagram according to the positioning mechanism of bottom case in the press-key structure of another embodiment of the present invention.
Figure 12 is the schematic diagram of the positioning tabs for the trapezoidal light-guiding pillar of class arranged in pairs or groups with positioning mechanism shown in Figure 11.
Specific embodiment
The explanation of following embodiment is to can be used to the particular implementation of implementation to illustrate the present invention with reference to additional schema
Example.The direction term that the present invention is previously mentioned, such as "upper", "lower", "front", "rear", "left", "right", " side " etc. are only references
The direction of annexed drawings.Therefore, the direction term used is to illustrate and understand the present invention, rather than to limit the present invention.
In the examples below, in various figures, same section is to be given the same reference numerals.
Hereinafter, the press-key structure of an embodiment according to the present invention will be illustrated referring to figs. 1 to Fig. 4.Wherein, Fig. 1 is
The perspective view of the explosion of the press-key structure of an embodiment according to the present invention；Fig. 2 is according to one embodiment of the invention by bond
The top view of the bottom case of structure；Fig. 3 is to be installed on according to the trapezoidal light-guiding pillar setting of class in the press-key structure of one embodiment of the invention
Schematic diagram on bottom case；And Fig. 4 is the assembling figure according to the press-key structure of one embodiment of the invention.
In schema, X-axis arrow direction is defined as the positive direction of X-axis；Y-axis arrow direction is defined as Y-axis
Positive direction；Z axis arrow direction is defined as the positive direction of Z axis；And distinguish in contrast to X-axis, Y-axis and Z axis arrow direction
It is defined as the negative direction of X-axis, Y-axis and Z axis.In addition, in this manual, X-axis, Y-axis shown in schema and Z axis hang down each other
Directly.However, the invention is not limited thereto, and according to some embodiments of the present invention, X-axis, Y-axis and Z axis non-can be mutually perpendicular to.
It holds, referring to Fig.1, an embodiment according to the present invention includes for the press-key structure 10 of setting on circuit boards
The trapezoidal light-guiding pillar 400 of upper cover 100, actuation column 200, cyclic spring device 300, class and bottom case 500.Wherein, upper cover 100 is along Z axis
It is set on bottom case 500 and upper cover 100 can be combined with bottom case 500, and actuation column 200, cyclic spring device 300 and class are trapezoidal
Light-guiding pillar 400 can be from top to bottom sequentially arranged between upper cover 100 and bottom case 500.
In addition, as shown in Figure 1, according to some embodiments of the present invention, press-key structure 10 can also be additionally comprised for conduction
Or transmit the metallic laminas 600 of electrical information.However, the invention is not limited thereto, and in addition press-key structure 10 can be arranged on demand
Different component.
Specifically, the actuation column 200 of press-key structure 10 has the capital face 210 of relatively close upper cover 100 and leans on relatively
The column bottom surface 220 of nearly bottom case 500；And in an assembled condition, capital face 210 can pass through the opening of upper cover 100 105 and protrude
It in upper cover 100, can so be pressed in conjunction with after keycap by user's finger, so that actuation column 200 moves down.With this
Relatively, cyclic spring device 300 is set between bottom case 500 and actuation column 200, and cyclic spring device 300 can push up movement
Dynamic column 200；When user stops pressing keycap, cyclic spring device 300 can provide the reply for moving upwards actuation column 200
Power.Therefore, in an assembled condition, actuation column 200 can be pressed in response to user and be transported up and down relative to upper cover 100
It is dynamic.
Prolong in addition, the trapezoidal light-guiding pillar 400 of class being located under actuation column 200 in press-key structure 10 has approximately along X-axis
The horizontal extension section 410 and connection stretched and the vertical extension member 420 extended upwards approximately along Z axis from horizontal extension section 410.
Wherein, horizontal extension section 410 has in the outer edge 412 of negative direction and the positive direction of relative orientation X-axis of relative orientation X-axis
Heart end 414, and horizontal extension section 410 extends to center-side 414 from outer edge 412.
Surface area of the trapezoidal light-guiding pillar 400 of class in the bottom surface close to bottom case 500 is greater than close to the top surface of upper cover 100
Surface area, and therefore can substantially present approximating or similar to trapezoidal shape.For example, as shown in Figure 1, according to the present invention
An embodiment, the trapezoidal light-guiding pillar 400 of class can be L-type light-guiding pillar.However, the invention is not limited thereto, and the trapezoidal light-guiding pillar of class can
The upright projection range of vertical extension member is extended beyond for various horizontal extension sections and therefore similar to or close to trapezoidal shape
Light-guiding pillar.
Further, together with Fig. 1 referring to Fig. 2, specifically, the bottom case 500 of press-key structure 10 have bottom case inner surface 510,
It the arc upstanding sidewall 520 that is projected upwards from bottom case inner surface 510 and is formed in bottom case inner surface 510 and penetrates bottom case 500
Bottom opening 505.Bottom case inner surface 510 can be divided by arc upstanding sidewall 520 positioned at 520 inside of arc upstanding sidewall
The side wall surrounding area 530 of (that is, the inside coated by arc), with to be located at the outside of arc upstanding sidewall 520 (that is, prominent in arc
The outside of outlet) the non-surrounding area 540 of side wall.Wherein, arc upstanding sidewall 520 is not formed as closed circular shape to coat
Side wall surrounding area 530, but the connection of arc upstanding sidewall 520 is cut off with side wall notch 525.Also that is, side wall surrounding area 530
There is side wall notch 525 between the non-surrounding area 540 of side wall.In the case, be set forth in bottom case inner surface 510 is horizontal-extending
The positive direction of bottom opening 505 from side wall non-surrounding area 540 towards X-axis extends to side wall surrounding area 530, and with vertically extending side
Wall notch 525 is connected.
It holds, it is horizontal in the assembling trapezoidal light-guiding pillar 400 of class when on bottom case 500 then together with Fig. 1 and Fig. 2 referring to Fig. 3
Extended segment 410 may be disposed in bottom opening 505, and vertical extension member 420 may be disposed at 520 inside of arc upstanding sidewall by arc
Shape upstanding sidewall 520 surrounds (also that is, completely corresponding be located at side wall surrounding area 530).Specifically, horizontal extension section 410
Outer edge 412 is located at the non-surrounding area 540 of side wall, and the center-side 414 of horizontal extension section 410 is located at side wall surrounding area 530.Also
That is, the horizontal extension section 410 being set in bottom opening 505 can be by positioned at side wall surrounding area 530 and the non-surrounding area 540 of side wall
Between side wall notch 525 conducting and extend to the non-surrounding area 540 of side wall from side wall surrounding area 530.
For example, as shown in Figure 1 to Figure 3, an embodiment according to the present invention, arc upstanding sidewall 520 can be straight for C-shaped
Vertical side wall, and C-shaped upstanding sidewall has C-shaped inner surface 527.In addition, vertical extension member 420 is in contrast to horizontal extension section 410
The side of outer edge 412 has circular arc lateral wall 427, and vertical extension member 420 is towards the outer edge 412 of horizontal extension section 410
Side have upright strip lateral wall 425.It holds, in the assembling trapezoidal light-guiding pillar 400 of class when on bottom case 500, bottom case 500
C-shaped inner surface 527 can be arranged close to the circular arc lateral wall 427 of the trapezoidal light-guiding pillar 400 of class, and the trapezoidal light-guiding pillar 400 of class is straight
Strip lateral wall 425 is found to the side wall notch 525 for just filling up bottom case 500.Also that is, vertical extension member 420 is by circular arc lateral wall
427 and more relevantly cater to C-shaped inner surface 527, and by upright strip lateral wall 425 to the side wall for just filling up bottom case 500
Notch 525 engages the trapezoidal light-guiding pillar 400 of class on arc upstanding sidewall 520, to avoid or reduce the trapezoidal light-guiding pillar 400 of class and shake
Rolling loosens.Therefore, the trapezoidal light-guiding pillar 400 of class more securely can agree with setting with arc upstanding sidewall 520.Further, by making
Upright strip lateral wall 425 also can be such that cyclic spring device 300 is sheathed on arc upstanding sidewall 520 positive side wall notch 525
Shi Buhui and the trapezoidal light-guiding pillar 400 of class generate conflict.However, above-listed merely illustrative and of the invention arc upstanding sidewall 520 and
The form of the side wall of vertical extension member 420 is not limited to the aspect specifically illustrated at this.
It holds, referring to figs. 1 to Fig. 3, by the component of actuation column 200, cyclic spring device 300, the trapezoidal light-guiding pillar 400 of class etc.
After setting is installed between upper cover 100 and bottom case 500 and combines assembling upper cover 100 and bottom case 500, it can be formed as shown in Figure 4
Press-key structure 20 assembling aspect.At this point, the metallic laminas 600 for the electrical information of conductive or conduction also may pass through bottom case
500 extend downwardly, to be electrically connected (not showing in Fig. 4) with the circuit board of lower section.
It connects, Fig. 5 A and Fig. 5 B of the cross-sectional view intercepted referring to the line A-A ' along Fig. 4 is installed group is described in detail
At press-key structure inside configuration.
Specifically, an embodiment according to the present invention, together with Fig. 1 to Fig. 4 referring to Fig. 5 A and Fig. 5 B, be completed by
The vertical extension member 420 of the trapezoidal light-guiding pillar 400 of the class of bond structure 20 is set to 520 inside of arc upstanding sidewall and (corresponds to side wall
Surrounding area 530), and the horizontal extension section 410 of the trapezoidal light-guiding pillar 400 of class (is enclosed from 520 inside of arc upstanding sidewall corresponding to side wall
Around area 530) extend to 520 outside of arc upstanding sidewall (corresponding to the non-surrounding area 540 of side wall).In addition, the column bottom of actuation column 200
The side wall surrounding area 530 of positive bottom case 500 can be arranged in face 220, and cyclic spring device 300 can surround arc upstanding sidewall 520
It is arranged (also that is, being sheathed on arc upstanding sidewall 520).
An embodiment according to the present invention, the press-key structure 20 being completed can be further disposed on circuit board, and can
The light that light source emits upwards on circuit board is guided to enter the column bottom surface 220 of actuation column 200 by the trapezoidal light-guiding pillar 400 of class.
Specifically, together with Fig. 2 referring to Fig. 5 A and Fig. 5 B, when 20 installation settings of press-key structure is when on circuit board, circuit
Light source 700 and/or light source 800 (being represented by dotted lines) on plate can be to just horizontal extended segments 410.Therefore, by light source 700 and/or
The light that light source 800 is issued can be surrounded sequentially via the transmitting of horizontal extension section 410 and vertical extension member 420 into side wall
In area 530 (being shown in Fig. 2), and from the top surface of vertical extension member 420 422 travel upwardly and enter actuation column 200 column bottom surface
In 220.
Specifically, it in Fig. 5 A and Fig. 5 B, is defined by the traveling of light, the trapezoidal light-guiding pillar 400 of class can have out
Smooth surface 405, the first incidence surface 416 of the light incidence of light source 700, light source 800 light incidence the second incidence surface 418,
One reflecting slant 417 and the second reflecting slant 419.
Also that is, the horizontal extension section 410 of the trapezoidal light-guiding pillar 400 of the class of press-key structure 20 can have to enter towards light source or light
Penetrate first incidence surface 416 and the second incidence surface 418 at place.First incidence surface 416 is located relatively at center-side 414, the second incidence surface
418 are located relatively at outer edge 412, and the second incidence surface 418 is adjacent to the first incidence surface 416.Specifically, the first incidence surface
416 be the part for being located at side wall surrounding area 530 corresponding in the bottom surface of horizontal extension section 410, and the second incidence surface 418 prolongs for level
Stretch the corresponding part for being located at the non-surrounding area 540 of side wall in the bottom surface of section 410.In other words, the first incidence surface 416 can be horizontal extension
The bottom surface part corresponding with 420 upright projection range overlapping of vertical extension member of section 410, and the second incidence surface 418 can be level
The bottom surface of extended segment 410 and the underlapped corresponding part of 420 upright projection range of vertical extension member.In addition, light-emitting surface 405 is located at
The top surface 422 of vertical extension member 420, and the first incidence surface 416 is opposite with light-emitting surface 405.It holds, the first reflecting slant 417
In the side of the first incidence surface 416, and the second reflecting slant 419 and the first reflecting slant 417 are opposite.
By this structure, together with Fig. 5 A and Fig. 5 B referring to Fig. 6, when light source (such as light source 700) is located under the first incidence surface 416
Fang Shi, most of light can substantially straight line travel upwardly and reach the top surface 422 of vertical extension member 420 (also that is, light-emitting surface
405)；And when light source (such as light source 800) is located at the second 418 lower section of incidence surface, most of light can substantially pass plural time
It reflects and advances and reach the top surface 422 (also that is, light-emitting surface 405) of vertical extension member 420.
Specifically, can be sequentially via the second reflecting slant by the incident most of light L1 and L2 of the second incidence surface 418
419 and first reflecting slant 417 (light L1) or vertical extension member 420 side (light L2) reflection and from light-emitting surface 405
Transmitting.In addition, as described above, by the incident most of light L3 of the first incidence surface 416 then can straight line travel upwardly and from going out light
Face 405 emits.Therefore, other than from the incident light in side wall surrounding area 530, the trapezoidal light-guiding pillar 400 of class can also assist will be certainly
The incident light of the non-surrounding area 540 (corresponding to the second incidence surface 418) of side wall is guided to the actuation column to positive side wall surrounding area 530
200 column bottom surface 220, to promote the light quantity for being directed to column bottom surface 220.Also that is, entering light in the first incidence surface 416 and second
Under face 418 in the case where all settable light source, the trapezoidal light-guiding pillar 400 of class be may be guided from the first incidence surface 416 and the second incidence surface
418 incident light are to light-emitting surface 405, to promote guide-lighting amount and amount of light；And due to the limitation of various structures or condition
In the case where limiting so that light source is only capable of being set to the first incidence surface 416 or the second incidence surface 418 down, the trapezoidal light-guiding pillar 400 of class
Also it can correspondingly arrange in pairs or groups and guide light, same press-key structure is allowed to be applicable in the different light source positions at least two printed circuit boards
It sets, to improve this press-key structure configuration elasticity and application.
Here, for example, light source 700 and/or light source 800 can be light-emitting LED for top luminous upwards, but the present invention is unlimited
In this.
In addition, according to some embodiments of the present invention, as shown in Figure 5A, the above-mentioned vertical extension member that can be used to reflection light
420 side between light-emitting surface 405 and the first reflecting slant 417 can be curved surface (such as circular arc lateral wall 427).Therefore,
The side of vertical extension member 420 can have wider and light reflection surface more evenly, so that avoiding or reducing light reflexes to side
When reflected by corner part towards unintended sites.However, above-mentioned curved surface is merely illustrative, and vertical extension member of the invention
420 planform is without being limited thereto.Also that is, according to other embodiments of the invention, entering in the first incidence surface 416 of satisfaction and second
The area of the summation of smooth surface 418 is greater than the area of light-emitting surface 405 or the second incidence surface 418 extends beyond vertical extension member 420
Upright projection range and keep the trapezoidal light-guiding pillar of class similar or close to essence it is trapezoidal under, the trapezoidal light-guiding pillar of class according to the present invention can
With various shape and side moulding.For example, the vertical extension member of the trapezoidal light-guiding pillar of class can for round, polygonal or not
The cylinder of regular shape, and the horizontal extension Duan Kewei section shape cylinder triangular in shape or trapezoidal of the trapezoidal light-guiding pillar of class.
As described above, for example, referring to Fig. 7 A and Fig. 7 B, the trapezoidal light-guiding pillar of class according to another embodiment of the present invention
400 ', the second reflecting slant 419 ' can extend directly to light-emitting surface 405 from outer edge 412.Therefore, compared to shown in Fig. 1 to Fig. 6
The trapezoidal light-guiding pillar 400 of class, the trapezoidal light-guiding pillar 400 ' of class do not have apparent vertical extension member 420 and horizontal extension section 410
Boundary.
In the case, an embodiment according to the present invention, referring to Fig. 8, in the key comprising the trapezoidal light-guiding pillar 400 ' of class
In structure 30, whether the vertical extension member 420 and horizontal extension section 410 of the trapezoidal light-guiding pillar 400 ' of class can be as mentioned before by falling
It is defined in region that arc upstanding sidewall 520 is surrounded.Also that is, being upwardly extended from horizontal extension section 410 along Z axis vertical
Extended segment 420 is completely set up in side wall surrounding area 530, and does not surround from side wall then along the horizontal extension section 410 that X-axis extends
Area 540 extends to side wall surrounding area 530.
By this structure, together with Fig. 8 referring to Fig. 9, when light source (such as light source 700) is located at the first 416 lower section of incidence surface, greatly
Some light can straight line travel upwardly and reach the top surface 422 (also that is, light-emitting surface 405) of vertical extension member 420；And work as light source
When (such as light source 800) is located at the second 418 lower section of incidence surface, most of light passes through plural secondary reflection and arrival of advancing extends vertically
The top surface 422 (also that is, light-emitting surface 405) of section 420.
It specifically, can be sequentially via the second reflecting slant 419 ' and the by the incident light L1 of the second incidence surface 418
One reflecting slant 417 reflects and emits from light-emitting surface 405.Alternatively, can repeatedly be passed through by the incident light L2 of the second incidence surface 418
It is anti-by the side of the second reflecting slant 419 ' and vertical extension member 420 between light-emitting surface 405 and the first reflecting slant 417
It penetrates and emits from light-emitting surface 405.In addition, by the incident light L3 of the first incidence surface 416 then can straight line travel upwardly and to from out
Smooth surface 405 emits.Further, due to extending the second reflecting slant 419 ' extended, deviate between light source 700 and 800 and dissipate
The light L4 penetrated can also be reflected by the second reflecting slant 419 ' for extending to vertical extension member 420 and towards 405 row of light-emitting surface
Into.Therefore, loss optically can be reduced or avoided.
Also that is, the trapezoidal light-guiding pillar 400 ' of class according to this embodiment of the invention, due to towards vertical extension member 420 and out light
Face 405 extends the second reflecting slant 419 ' of elongation, can improve different angle light leakage and be reflected the energy for leading back to light-emitting surface 405
Power.Therefore, in the case where the configuration structure comprising components such as cyclic spring devices 300 allows, it may extend away the second reflecting slant of elongation
419 ' the loss to be further reduced during leaded light optically, to improve optical effect.
It holds above-mentioned, is similar to the trapezoidal light-guiding pillar 400 of class, other than from the incident light in side wall surrounding area 530, class is trapezoidal
Light-guiding pillar 400 ' can also assist to guide from the incident light of the non-surrounding area 540 (corresponding to the second incidence surface 418) of side wall to right
The column bottom surface 220 of the actuation column 200 of positive side wall surrounding area 530, to promote the light quantity for being directed to column bottom surface 220.Also that is,
Under first incidence surface 416 and the second incidence surface 418 in the case where all settable light source, the trapezoidal light-guiding pillar 400 ' of class be may be guided from
One incidence surface 416 and the incident light of the second incidence surface 418 are to light-emitting surface 405, to promote guide-lighting amount and amount of light；And
Since the limitation of various structures or condition limitation are so that light source is only capable of being set under the first incidence surface 416 or the second incidence surface 418
In the case of, the trapezoidal light-guiding pillar 400 ' of class also can correspondingly arrange in pairs or groups and guide light, and same press-key structure is allowed to be applicable at least two prints
Different light source positions on printed circuit board, to improve this press-key structure configuration elasticity and application.
Next, referring to Fig.1 0, by Fig. 1 to the press-key structure of each embodiment shown in Fig. 9, except for being set to circuit board
It is upper outer, it also can further be combined with a keycap 1000 and be formed as key 40.Under this arrangement, keycap 1000 is connected to actuation column
200 capital face 210.Therefore, user related by pressing keycap 1000 can be realized and be pressed by the actuation column 200 of depression
The actuation of key 40.Opposite, when press-key structure installation settings as described above is when on circuit board, light can be in entrance actuation column
Continue to travel up to capital face 210 behind 200 column bottom surface 220 (as referring to shown in Fig. 6 or Fig. 9) and thus illuminates keycap
1000.Therefore, user can be to experience 1000 light transmission of keycap of key 40 or shine.
Another embodiment according to the present invention, referring to Fig.1 1, the bottom case 500 of press-key structure 50 can further have opposite bottom
The positioning mechanism 535 outstanding of shell inner surface 510, and in completed assembled press-key structure 50, positioning mechanism 535 is settable to be adjacent to
Horizontal extension section is to position the trapezoidal light-guiding pillar of class.Specifically, together with Figure 11 referring to Fig.1 2, another implementation according to the present invention
Example, the trapezoidal light-guiding pillar 900 or 900 of class ' can further include a pair of of positioning tabs 935 or 935 ' in the two of horizontal extension section 420
Side, and positioning tabs 935 or 935 ' with the trapezoidal light-guiding pillar 900 or 900 of class ' bottom surface be separated by one section of spacing and protrude outward.
Therefore, together with Figure 11 referring to Fig.1 2, when the trapezoidal light-guiding pillar 900 or 900 of class is arranged ' in bottom opening 505 when, positioning
Mechanism 535 can support this to positioning tabs 935 or 935 ' bottom, use positioning or the trapezoidal light-guiding pillar 900 or 900 of fixed class '
Extend to the horizontal extension section 420 of the non-surrounding area 540 of side wall.From the above, it can be reduced or avoided not by arc upstanding sidewall 520
The horizontal extension section 420 for surrounding positioning gets loose or moves.
In summary, referring to each embodiment as shown in Fig. 1 to Figure 12, since press-key structure can shine or light transmission, therefore use
When family uses press-key structure, press-key structure can be more clearly recognized.Therefore, can be reduced or avoided under various states (such as but
It is not limited in pitch-dark or dim environment) use mistake when key to touch or accidentally press, so as to improve the accuracy of operation button.Except this
Except, since for example video game player may expect luminous keys to increase interest when operation button in game, also
Or user may expect luminous keys to change the demands such as surroundings situation or style, it is according to the present invention to shine or light transmission
Press-key structure also can be used to be promoted the aesthetic appearance of key, promotes visual texture or reinforce visual stimulus, so that meeting has this phase
The user of pass demand.
By the above detailed description of preferred embodiments, it is intended to more clearly describe feature and spirit of the invention,
And not protection scope of the present invention is limited with above-mentioned disclosed preferred embodiment.On the contrary, its purpose
It is intended to cover various changes and has being arranged in the scope of protection of the claims of the invention to be applied of equality.Cause
This, scope of protection of the claims of the invention should illustrate the most wide explanation of work according to above-mentioned, to cause it to cover institute
Possible change and the arrangement of tool equality.
Claims (12)
1. a kind of press-key structure, for being arranged on circuit boards, which has light source, which emits beam, and feature exists
Include in the press-key structure:
Upper cover；
Bottom case, for the upper cover in conjunction with the bottom case, which has bottom case inner surface, arc upstanding sidewall and bottom opening, the arc
Shape upstanding sidewall has side wall notch, which is divided into side wall surrounding area for the bottom case inner surface section and does not enclose with side wall
Around area, which is formed in the bottom case inner surface and is connected with the side wall notch, which does not surround from the side wall
Area extends to the side wall surrounding area；
Actuation column, the actuation column have column bottom surface, which can move up and down relative to the upper cover, and the column bottom surface was to just should
Side wall surrounding area；
Cyclic spring device is set to the bottom case and the actuation intercolumniation and around the arc upstanding sidewall, the cyclic spring device
Push up the actuation column；And
The trapezoidal light-guiding pillar of class, such trapezoidal light-guiding pillar have horizontal extension section and vertical extension member, which has outer
Acies and center-side, the horizontal extension section are set in the bottom opening, which is located at the non-surrounding area of the side wall, the center
End is located at the side wall surrounding area, which is set in the arc upstanding sidewall；
Wherein when press-key structure setting on the board when, the light source to the just horizontal extension section, the light sequentially via
The transmitting of the horizontal extension section and the vertical extension member and enter in the side wall surrounding area, and from the top surface of the vertical extension member to
Uplink enters in turn in the column bottom surface.
2. press-key structure according to claim 1, it is characterised in that: the press-key structure further includes keycap, the actuation
Column further has capital face, which is connected to the capital face, which continues to travel up to this after entering the column bottom surface
Capital face and illuminate the keycap.
3. press-key structure according to claim 1, it is characterised in that: the arc upstanding sidewall is C-shaped upstanding sidewall, the C
Shape upstanding sidewall has C-shaped inner surface, which has circular arc lateral wall, and the C-shaped inner surface is close on the outside of the circular arc
Wall.
4. press-key structure according to claim 3, it is characterised in that: the vertical extension member further has outside upright strip
Side wall, the upright strip lateral wall is to just filling up the side wall notch.
5. press-key structure according to claim 1, it is characterised in that: the horizontal extension section has the first incidence surface and second
Incidence surface, first incidence surface are located at the center-side, which is located at the outer edge, first enter when the light source is located at this
When below smooth surface, which travels upwardly and reaches the top surface of the vertical extension member, second enters when the light source is located at this
When below smooth surface, which advances by plural secondary reflection and reaches the top surface of the vertical extension member.
6. press-key structure according to claim 1, it is characterised in that: there is such trapezoidal light-guiding pillar light-emitting surface, first to enter
Smooth surface, the second incidence surface, the first reflecting slant and the second reflecting slant；
Wherein, which is located at the top surface of the vertical extension member, and first incidence surface is opposite with the light-emitting surface, this second enters
Smooth surface is adjacent to first incidence surface, which is located at the side of first incidence surface, and second reflecting slant
It is opposite with first reflecting slant.
7. press-key structure according to claim 6, it is characterised in that: sequentially passed through by the light of second incidence surface incidence
Emitted by second reflecting slant and first reflecting slant reflection from the light-emitting surface, or sequentially oblique via second reflection
Face and the side of the vertical extension member are reflected and are emitted from the light-emitting surface.
8. press-key structure according to claim 6, it is characterised in that: the vertical extension member between the light-emitting surface and this first
Side between reflecting slant is curved surface.
9. press-key structure according to claim 1, it is characterised in that: the bottom case further has the opposite bottom case inner surface
Positioning mechanism outstanding, and positioning mechanism setting is adjacent to the horizontal extension section to position such trapezoidal light-guiding pillar.
10. press-key structure according to claim 9, it is characterised in that: such trapezoidal light-guiding pillar further includes a pair of fixed
Position fin, this is set to the two sides of the horizontal extension section to positioning tabs, and such trapezoidal light-guiding pillar is arranged in the bottom opening
When the positioning mechanism support this to positioning tabs.
11. press-key structure according to claim 1, it is characterised in that: the vertical extension member is for round, polygonal or not
The cylinder of regular shape, and the horizontal extension section is section shape cylinder triangular in shape or trapezoidal.
12. press-key structure according to claim 1, it is characterised in that: such trapezoidal light-guiding pillar is L-type light-guiding pillar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711484388.7A CN108091510B (en) | 2017-12-29 | 2017-12-29 | Press-key structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711484388.7A CN108091510B (en) | 2017-12-29 | 2017-12-29 | Press-key structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108091510A CN108091510A (en) | 2018-05-29 |
| CN108091510B true CN108091510B (en) | 2019-06-04 |
Family
ID=62181325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711484388.7A Active CN108091510B (en) | 2017-12-29 | 2017-12-29 | Press-key structure |
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| Country | Link |
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| CN (1) | CN108091510B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108832306B (en) * | 2018-06-13 | 2023-11-03 | 中国科学院国家天文台 | Flexible plugging structure for center hole of FAST reflecting surface |
| US11469060B1 (en) | 2021-04-30 | 2022-10-11 | Logitech Europe S.A. | Light guide for a keyboard |
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| CN205900405U (en) * | 2016-06-28 | 2017-01-18 | 郝小妮 | Light guide formula key switch and mechanical keyboard with simulation gradual change volume |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9640346B2 (en) * | 2015-09-11 | 2017-05-02 | Dongguan Zen-tech Electronic Technology Co., Ltd. | Keyboard |
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|---|---|---|---|---|
| CN204011170U (en) * | 2013-08-09 | 2014-12-10 | 欧姆龙株式会社 | Switch and use the keyboard of this switch |
| CN204270950U (en) * | 2014-12-19 | 2015-04-15 | 东莞市凯华电子有限公司 | Illuminated keyboard switch |
| CN106611673A (en) * | 2015-10-22 | 2017-05-03 | 致伸科技股份有限公司 | Luminous keyboard using optical key switch |
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| Publication number | Publication date |
|---|---|
| CN108091510A (en) | 2018-05-29 |
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