CN208521837U - Dual-purpose type optics axis body, key switch and mechanical keyboard - Google Patents

Abstract

The utility model discloses a kind of dual-purpose type optics axis body, key switch and mechanical keyboards, the optics axis body includes upper housing, lower case and handle, the handle is arranged on upper housing, handle bottom is equipped with the first shading element, the junction of handle and keycap is center symmetric shape, and the upper housing is fixedly connected with lower case；The guide-lighting slot of opposite first and the second guide-lighting slot are equipped with inside the lower case, described first guide-lighting slot is for accommodating the first light-guiding pillar, described second guide-lighting slot is for accommodating the second light-guiding pillar, first light-guiding pillar has the first light-reflecting portion and transmittance section, second light-guiding pillar has the second light-reflecting portion, first light-reflecting portion tilts to the left, and second light-reflecting portion tilts to the right, the light that the transmittance section is issued for transmiting LED radiated element upwards.The optics axis body of the utility model can both be used when h axis, can also use when n axis, user can select according to different needs.

Description

Dual-purpose type optics axis body, key switch and mechanical keyboard

Technical field

The utility model relates to a kind of key switch and mechanical keyboard, especially a kind of dual-purpose type optics axis body, key are opened Pass and mechanical keyboard, belong to the research field of mechanical keyboard.

Background technique

Mechanical keyboard is a kind of common keyboard, each of which key has one individually to switch to control closure.Machine Tool keyboard is used as always a kind of representative of high-end product, by the welcome of more and more computer users and game player, one As the switch that uses for the mechanical keyswitch of metal material contact, this switch is by the way that static pressure in the housing is arranged Whether the metal material contact of plate and dynamic pressure plate, which contacts with each other, is realized and switches on-off, and mechanical switch handle is being pressed In displacement process, the metal material contact on dynamic pressure plate is met with static pressure sheetmetal material contact realizes leading for mechanical switch It is logical；When the handle of release mechanism switch, dynamic pressure plate is restored to original position, dynamic pressure sheetmetal material under the action of spring The metal material contact on static pressure plate is left in material contact, to realize the disconnection of mechanical switch.Using this kind of scheme, machinery is opened It closes hard contact to be easily damaged, because the elasticity of dynamic pressure plate can increasing with access times during depresses button And have larger difference with reset condition, it be easy to cause hard contact to contact state insensitive or cannot being connected, service life has Limit, causes trouble to user.In addition, traditional mechanical keyboard is that luminescent crystal transmitter-receiver device is arranged in key switch Interior, bottom legs are welded on pcb board, and then key switch is fastened in card slot, finally by the fixation on rotation iron plate Column fixes pcb board and iron plate, once which results in the damages of some key, it is desirable to and detachable maintaining is just very troublesome, not only It needs to unscrew fixed column, while needing to pull up luminescent crystal reception device and emitter from pcb board, processing is difficult very Greatly, but also the damage of keyboard is easily lead to, while the conducting precision of this kind of keyboard is by distance between pcb board and iron plate Limitation is difficult to control；In addition, this kind of keyboard is also unfavorable for the production of heavy industrialization.

Utility model content

First purpose of the utility model is to provide a kind of dual-purpose type optics axis body, which can both work as h axis It uses, can also be used when n axis, user can select according to different needs.

Second of the utility model is designed to provide a kind of key switch comprising above-mentioned optics axis body.

The third of the utility model is designed to provide a kind of mechanical keyboard comprising above-mentioned key switch.

First purpose of the utility model can be reached by adopting the following technical scheme that:

A kind of dual-purpose type optics axis body, including upper housing, lower case and handle, the handle are arranged on upper housing, press Handle bottom is equipped with the first shading element, and the junction of handle and keycap is center symmetric shape, and the upper housing and lower case are solid Fixed connection；The guide-lighting slot of opposite first and the second guide-lighting slot are equipped with inside the lower case, the described first guide-lighting slot is for accommodating First light-guiding pillar, the described second guide-lighting slot is for accommodating the second light-guiding pillar, and first light-guiding pillar is with the first light-reflecting portion and thoroughly Light portion, second light-guiding pillar have the second light-reflecting portion, and first light-reflecting portion tilts to the left, and second light-reflecting portion is to the right It rolls tiltedly, the light that the transmittance section is issued for transmiting LED radiated element upwards.

Further, reseting elastic element is additionally provided with inside the lower case, the reseting elastic element is connect with handle.

Further, torsion elastic element is additionally provided with inside the lower case, the torsion elastic element is connect with handle.

Second purpose of the utility model can be reached by adopting the following technical scheme that:

A kind of key switch, it is described including keycap, LED radiated element, photosensitive receiving element and above-mentioned optics axis body Keycap setting is connect above handle, and with handle, and the LED radiated element and photosensitive receiving element are separately positioned on pcb board The right and left, first light-guiding pillar is located at the top of LED radiated element, and second light-guiding pillar is located at photosensitive receiving element Top.

As a kind of embodiment, the upper housing be transparent configuration, the lower case be nontransparent structure, described second The top of light-guiding pillar is equipped with the second shading element；

In the initial state, the light that the LED radiated element issues passes sequentially through first and leads for the optics axis body and pcb board The transmittance section of light beam, upper housing are transmitted at keycap, illuminate the character on keycap, the first light-reflecting portion of first light-guiding pillar will The light that LED radiated element is emitted is reflected into the second light-reflecting portion of the second light-guiding pillar, and the second light-reflecting portion through the second light-guiding pillar is anti- Photosensitive receiving element is returned to after penetrating；

After rotating 180 degree, the first light-reflecting portion of first light-guiding pillar emits LED for the optics axis body and pcb board The light that element is emitted is reflected into the second light-reflecting portion of the second light-guiding pillar, returns to after the reflection of the second light-reflecting portion of the second light-guiding pillar Photosensitive receiving element.

Further, after rotating 180 degree, the key switch further includes LED backlight for the optics axis body and pcb board Lamp, the LED backlight are arranged on pcb board, and the lower case is equipped with first on the corresponding position of LED backlight and hollows out area Domain, the first area of knockout, the upper housing that the light that LED backlight issues passes sequentially through lower case are transmitted at keycap, illuminate keycap On character.

As a kind of embodiment, the upper housing and lower case are nontransparent structure, and upper housing is in the first light-guiding pillar Transmittance section corresponding position be equipped with the second area of knockout；

In the initial state, the light that the LED radiated element issues passes sequentially through first and leads for the optics axis body and pcb board The transmittance section of light beam, the second area of knockout of upper housing are transmitted at keycap, illuminate the character on keycap, first light-reflecting portion The light that LED radiated element is emitted is reflected into the second light-reflecting portion, returns to light after the reflection of the second light-reflecting portion of the second light-guiding pillar Quick receiving element；

After rotating 180 degree, the first light-reflecting portion of first light-guiding pillar emits LED for the optics axis body and pcb board The light that element is emitted is reflected into the second light-reflecting portion of the second light-guiding pillar, returns to after the reflection of the second light-reflecting portion of the second light-guiding pillar Photosensitive receiving element.

Further, after rotating 180 degree, the key switch further includes LED backlight for the optics axis body and pcb board Lamp, the LED backlight are arranged on pcb board, and the upper housing and lower case are set respectively on the corresponding position of LED backlight Have a third area of knockout and the 4th area of knockout, the light that LED backlight issues pass sequentially through lower case the 4th area of knockout, on The third area of knockout of shell is transmitted at keycap, illuminates the character on keycap.

As a kind of embodiment, the LED radiated element is packaged with infrared lamp.

The third purpose of the utility model can be reached by adopting the following technical scheme that:

A kind of mechanical keyboard, including pcb board and above-mentioned key switch, multiple key switches are mounted on by bracket On pcb board, or by being connected on pcb board.

Further, the pcb board is fixed with screw between bracket or by way of engaging.

Further, the outer surface of the pcb board has one layer of protective film formed by transparent watertight paint.

The utility model have compared with the existing technology it is following the utility model has the advantages that

1, the guide-lighting slot of opposite two is equipped in the optics axis body of the utility model, inside lower case, two guide-lighting slots are equal Light-guiding pillar can be accommodated, wherein light-guiding pillar is made of the good material of the guide-lighting performance such as optical fibers, guide-lighting plastic cement, handle and keycap Junction be center symmetric shape, due to cooperation keycap using central symmetry design, in optics axis body original state It can be used as the use of h axis, after optics axis body rotates 180 degree, can be used as the use of n axis, when optics axis body is used as h axis Key switch executes light switch function from the light that the LED radiated element on pcb board issues to the first light-guiding pillar, and will be therein A part of light, which transmits to execute upwards, to be illuminated the function of keycap character and not only saves material its advantage is that saving a LED backlight Material, also saves space, environmental protection and economy, key switch when optics axis body is used as n axis can increase photograph on pcb board The LED backlight of bright character, illumination instruction completes illumination instruction by increased LED backlight, its advantage is that all lamps need When can all close, user can select according to different needs, it is dual-purpose to be truly realized an axis.

2, in the key switch of the utility model, upper housing can use transparent configuration, at this time the top of the second light-guiding pillar Equipped with shading element, in the initial state, the light that LED radiated element issues passes sequentially through the first leaded light for optics axis body and pcb board The transmittance section of column, upper housing are transmitted at keycap, illuminate the character on keycap, and keycap extraneous light is prevented to connect to photosensitive Element is received to be interfered, as handle is pressed, make to be transferred to from the first light-guiding pillar the second light-guiding pillar optical signal conducting or every It is disconnected, realize h axis key switch；Optics axis body and pcb board are after rotating 180 degree, as handle is pressed, make from the first leaded light Column is transferred to the optical signal conducting or partition of the second light-guiding pillar, realizes n axis key switch, when realizing n axis key switch, also LED backlight can be set on pcb board, to illuminate the character on keycap.

3, in the key switch of the utility model, upper housing can use nontransparent structure, and upper housing is in the first light-guiding pillar Transmittance section corresponding position be equipped with area of knockout, optics axis body and pcb board in the initial state, LED radiated element issue Light passes sequentially through the transmittance section of the first light-guiding pillar, the area of knockout of upper housing is transmitted at keycap, illuminates the character on keycap, by It is nontransparent structure in upper housing, photosensitive receiving element will not be interfered by keycap extraneous light, as handle is pressed, be made from the One light-guiding pillar is transferred to the optical signal conducting or partition of the second light-guiding pillar, realizes h axis key switch；Optics axis body and pcb board After rotating 180 degree, as handle is pressed, make to be transferred to from the first light-guiding pillar the second light-guiding pillar optical signal conducting or every It is disconnected, n axis key switch is realized, when realizing n axis key switch, LED backlight can be also set on pcb board, to illuminate key Character on cap.

4, in the key switch of the utility model, keycap, optics axis body and LED radiated element, photosensitive receiving element are point From setting, i.e., be both mechanically and electrically completely separate setting, be conducive to the disassembly of pcb board and bracket in this way, maintain easily and Maintenance.

5, in the key switch of the utility model, LED radiated element and photosensitive receiving element can be by the way of machines It is large-scale to generate, the mode for needing artificial mode to operate in traditional handicraft is overcome, production cost is greatly reduced.

6, in the key switch of the utility model, LED radiated element and photosensitive receiving element are arranged by way of patch On pcb board, not only facilitate installation, while being also convenient for repairing.

7, the key switch conducting precision and the first shading element and the first light-guiding pillar, the second light-guiding pillar of the utility model Light-path relative position in relation to related, may be implemented to fully control, not will receive the pact of distance between pcb board and bracket Beam.

8, the key switch of the utility model can also directly be blocked by being connected on pcb board with different buckles It connects to save more spaces on pcb board, so that mechanical keyboard becomes thinner.

9, the pcb board outer surface in the mechanical keyboard of the utility model has layer protecting film, which can pass through Immersion, the mode for brushing or spraying transparent watertight paint are formed, transparent watertight paint light-permeable, and do not influence the normal function of pcb board It plays, protective film is made to play the role of anti-insulation, antistatic, waterproof and dustproof to pcb board.

Detailed description of the invention

Fig. 1 is the optics axis body three-dimensional structure diagram of the utility model embodiment 1.

Fig. 2 is the optics axis body perspective exploded view of the utility model embodiment 1.

Fig. 3 is the optics axis body Facad structure figure of the utility model embodiment 1.

Fig. 4 is the optics axis body front section view of the utility model embodiment 1.

Fig. 5 is the optic axis body side surface cross-sectional view of the utility model embodiment 1.

Fig. 6 is the optics axis body overlooking structure figure of the utility model embodiment 1.

Fig. 7 is the local structural graph of the utility model embodiment 1.

Fig. 8 a~Fig. 8 c is optical signal transmission schematic diagram in the optics axis body of the utility model embodiment 1.

Fig. 9 a~Fig. 9 d is principle of sound figure in the optics axis body of the utility model embodiment 1.

Figure 10 is the key switch perspective exploded view of the utility model embodiment 1.

Figure 11 is the plane decomposition schematic diagram of the key switch of the utility model embodiment 1.

Figure 12 is that the key switch of the utility model embodiment 1 omits the specific decomposition diagram of keycap.

Figure 13 is that the key switch of the utility model embodiment 1 only shows optics axis body, LED radiated element and photosensitive reception The overlooking structure figure of element.

Figure 14 is that the optics axis body of the utility model embodiment 1 rotates the three-dimensional structure diagram after 180 degree.

Figure 15 is that the optics axis body of the utility model embodiment 1 rotates the perspective exploded view after 180 degree.

Figure 16 is that the optics axis body of the utility model embodiment 1 rotates the Facad structure figure after 180 degree.

Figure 17 is that the optics axis body of the utility model embodiment 1 rotates the overlooking structure figure after 180 degree.

Figure 18 is that the optics axis body of the utility model embodiment 1 and pcb board rotate the key switch stereo decomposing after 180 degree Schematic diagram.

Figure 19 is that the optics axis body of the utility model embodiment 1 and pcb board rotate the key switch plane decomposition after 180 degree Schematic diagram.

Figure 20 is that the optics axis body of the utility model embodiment 1 and pcb board rotate the key switch omission keycap after 180 degree Specific decomposition diagram.

Figure 21 is that the optics axis body of the utility model embodiment 1 and the key switch after pcb board rotation 180 degree only show light Learn the overlooking structure figure of axis body, LED radiated element and photosensitive receiving element.

Figure 22 is that the optics axis body of the utility model embodiment 1 and pcb board rotate the mechanical keyboard structure chart after 180 degree.

Figure 23 is the optics axis body perspective exploded view of the utility model embodiment 2.

Figure 24 is the local structural graph of the utility model embodiment 2.

Figure 25 a~Figure 25 c is optical signal transmission schematic diagram in the optics axis body of the utility model embodiment 2.

Figure 26 a~Figure 26 d is principle of sound figure in the optics axis body of the utility model embodiment 2.

Figure 27 is that the key switch of the utility model embodiment 2 omits the specific decomposition diagram of keycap.

Figure 28 is that the key switch of the utility model embodiment 2 only shows optics axis body, LED radiated element and photosensitive reception The overlooking structure figure of element.

Figure 29 is the mechanical keyboard structure chart of the utility model embodiment 2.

Figure 30 is that the optics axis body of the utility model embodiment 2 rotates the perspective exploded view after 180 degree.

Figure 31 is that the optics axis body of the utility model embodiment 2 and pcb board rotate the key switch omission keycap after 180 degree Specific decomposition diagram.

Figure 32 is that the optics axis body of the utility model embodiment 2 and the key switch after pcb board rotation 180 degree only show light Learn the overlooking structure figure of axis body, LED radiated element and photosensitive receiving element.

Wherein, 1- upper housing, 2- lower case, 3- handle, the first shading element of 4-, the guide-lighting slot of 5- first, 6- second are guide-lighting Slot, the first light-guiding pillar of 7-, the second light-guiding pillar of 8-, the first light-reflecting portion of 9-, the transmittance section 10-, the second light-reflecting portion of 11-, 12- Flexible Reset Element, 13- torsion elastic element, 14- keycap, 15-LED radiated element, 16- photosensitive receiving element, 17-PCB plate, 18- second Shading element, 19- third shading element, 20-LED backlight, the first area of knockout of 21-, 22- bracket.

Specific embodiment

The present invention will be further described in detail with reference to the embodiments and the accompanying drawings, but the implementation of the utility model Mode is without being limited thereto.

Embodiment 1:

As shown in FIG. 1 to FIG. 7, a kind of optics axis body is present embodiments provided, it is dual-purpose which can be realized an axis, Including upper housing 1, lower case 2 and handle 3, handle 3 is arranged on upper housing 1, and 3 bottom of handle is equipped with the first shading element 4, presses The junction of handle 3 and keycap is center symmetric shape, and upper housing 1 is fixedly connected with lower case 2,；It is equipped with inside lower case 2 opposite The first guide-lighting slot 5 and the second guide-lighting slot 6, the first guide-lighting slot 5 is for accommodating the first light-guiding pillar 7, and the second guide-lighting slot 6 is for accommodating Second light-guiding pillar 8, in order to be clearly seen the first guide-lighting slot 6 of guide-lighting slot 5, second, the first light-guiding pillar 7 and the second light-guiding pillar 8, Fig. 2 The figure of another angle is shown with Fig. 7.

First light-guiding pillar 7 and the second light-guiding pillar 8 can be using the good materials of the guide-lighting performance such as optical fibers, guide-lighting plastic cement Material is made, and can be designed to the shapes such as circular arc body, cuboid, cylindrical body, according to actual needs with a thickness of 1.8~2.4mm.First leads Light beam 7 has the first light-reflecting portion 9 and transmittance section 10, and the second light-guiding pillar 8 has the second light-reflecting portion 11, and the first light-reflecting portion 9 is to the left Inclination, the second light-reflecting portion 11 tilt to the right, and the light that transmittance section 10 is issued for transmiting LED radiated element upwards, first is reflective Portion and the inclined angle of the second light-reflecting portion are traditionally arranged to be between 30-60 degree, and the present embodiment is in order to reach better effect, and first Light-reflecting portion and the second inclined angle of light-reflecting portion light-reflecting portion are 45 degree.

In the present embodiment, the first shading element 4 is shading sliding block, and the junction of handle 3 and keycap is cross shape, The junction of handle 3 and keycap is center symmetric shape, therefore can be used as the use of h axis in optics axis body original state, After optics axis body rotates 180 degree, the use of n axis can be used as；Spacing between 1 plane of upper housing and 2 plane of lower case is 3mm, the mechanical keyboard very thin thickness worked it out in this way, is suitable as the keyboard of the equipment such as integrated computer, laptop.

Further, reseting elastic element 12 is additionally provided with inside lower case 2, reseting elastic element 12 is connect with handle 3, this The reseting elastic element 12 of embodiment is reset spring；By taking normally closed form as an example, the optics axis body optical signal transmission of the present embodiment Principle are as follows: when handle 3 just starts stress, optics axis body all parts are in original state, and the first shading element 4 makes first to lead Light beam 7 is transferred to the optical signal partition of the second light-guiding pillar 8, as shown in Figure 8 a, when 3 stress of handle is gone downwards at 1.2mm, resets 12 forced compression of elastic element, the first shading element 4 move downward 1.2mm with handle 3, as shown in Figure 8 b, when under 3 stress of handle When row is at 2.8mm, handle 3 runs to 2 bottom of lower case, and 12 stress of reseting elastic element is compressed completely, the first shading element 4 2.8mm is moved downward with handle 3, makes the optical signal conducting for being transferred to the second light-guiding pillar 8 from the first light-guiding pillar 7, as shown in Figure 8 c, That is as handle 3 is constantly pressed and bounces, the partition and conducting of optical signal may be implemented.

Further, torsion elastic element 13 is additionally provided with inside lower case 2, torsion elastic element 13 is connect with handle 3, this The torsion elastic element 13 of embodiment is torque spring；The principle of sound of the present embodiment are as follows: when handle 3 just starts stress, light It learns axis body all parts and is in original state, as illustrated in fig. 9, when 3 stress of handle is at downlink 1.2mm, torsion elastic element 13 are followed movement by the pushing of handle 3, are moved to B location by location A, as shown in figure 9b, are gone downwards to when handle 3 continues stress When at 1.6mm, torsion elastic element 13 is followed movement by the pushing of handle 3, is moved to location of C by B location, as is shown in fig. 9 c, is pressed Handle 3 in 1.6mm stroke, pressing force between torsion elastic element 13 and handle 3 at equilibrium state, when handle 3 continue it is past When the stroke of 2.8mm is advanced, the balance between 3 pressing force of torsion elastic element 13 and handle is broken, torsion elastic element 13 Since the power of itself taps rapidly from location of C to location A the sound of sending " clatter clatter ", as shown in figure 9d.

As shown in Figure 10~Figure 13, the present embodiment additionally provides a kind of key switch, the key switch include keycap 14, LED radiated element 15, photosensitive receiving element 16 and above-mentioned optics axis body, LED radiated element 15 and photosensitive receiving element 16 It is separately positioned on the right and left of pcb board 17, the first light-guiding pillar 7 is located at the top of LED radiated element 15, the second light-guiding pillar 8 In the top of photosensitive receiving element 16, in order to be clearly seen LED radiated element 15 and photosensitive receiving element 16, Figure 12 is shown The figure of another angle.

The photosensitive receiving element 16 can be connected in parallel with a capacitor, and play the role of integral to voltage, as handle is pressed After lower, the intensity of illumination in the unit time of first the 7 to the second light-guiding pillar of light-guiding pillar 8, which gradually changes, (gradually becomes strong, often when normally closed Gradually die down when opening), the voltage being added on photosensitive receiving element 16 just has a linear variation, to realize simulation gradual change The function of input, allows user to carry out finer operation, improves the true operation experience of user.

The upper housing 1 is transparent configuration, is specifically made of transparent plastic material, and lower case 2 is nontransparent structure, this When the light that issues of LED radiated element 15 can pass sequentially through the transmittance section 10 of the first light-guiding pillar 7, upper housing 3 is transmitted to keycap 14 Place, the character on keycap 14 is illuminated at this time, plays the role of character illumination, since LED radiated element 15 realizes backlight Function allows lower case 2 to reserve biggish space and other portions is arranged thus it is not necessary that a LED backlight is separately provided Part, LED radiated element 15 preferably uses RGB three-primary color LED lamp, in this way in the case where a wherein LED light damage, other two A LED light can make optical signal normally and be illuminated；14 extraneous light of keycap is to photosensitive receiving element in order to prevent 16 are interfered, and key switch is caused to can not work normally, and the second shading element is arranged in the top of the second light-guiding pillar 8；Due to The light that LED radiated element 15 issues can be transmitted upwards by the transmittance section 10 of the first light-guiding pillar 7, can also pass through the first leaded light First light-reflecting portion 9 of column 7 is reflected into the second light-reflecting portion 11 of the second light-guiding pillar 8, and the second light-reflecting portion 11 through the second light-guiding pillar 8 is anti- Photosensitive receiving element 16 is returned to after penetrating, it is seen that the transmission route of optical signal is similar to the shape of " h ", it is achieved that h axis key Switch；Those skilled in the art are it is recognised that LED radiated element 15 can also be realized using monochromatic LED backlight.

After the optics axis body and pcb board 17 rotate 180 degree, as shown in Figure 14~Figure 21, is used at this time as n axis, be The light for avoiding LED radiated element 15 from issuing transmits away from the transmittance section 10 of the first light-guiding pillar 7, can also in the first light-guiding pillar Third shading element 19 is arranged in 7 top, and the second shading element 18 and third shading element 19 are all made of black plastic material system At light shielding block, be connected between two light shielding blocks by link block, LED radiated element 15 is first anti-by the first light-guiding pillar 7 Light portion 9 is reflected into the second light-reflecting portion 11 of the second light-guiding pillar 8, returns to light after the reflection of the second light-reflecting portion 11 of the second light-guiding pillar 8 Quick receiving element 16, it is seen that the transmission route of optical signal is similar to the shape of " n ", it is achieved that n axis key switch；In order to reach To better effect, the LED radiated element 15 on pcb board 17 can be replaced with into infrared emission component.

In order to realize that the illumination functions of n axis key switch, key switch can also include LED backlight 20, LED backlight 20 are arranged on pcb board 17, and LED backlight 20 preferably uses RGB three-primary color LED lamp, since lower case 2 is nontransparent structure, As shown in figure 16, lower case 2 is equipped with the first area of knockout 21 on the corresponding position of LED backlight 20, and LED backlight 20 issues Light can pass sequentially through the first area of knockout 21, the upper housing 1 of lower case 2 and be transmitted at keycap 14, at this time on keycap 14 Character is illuminated；Those skilled in the art are it is recognised that LED backlight 20 can also be realized using monochromatic LED lamp.

It is understood that upper housing 1 or nontransparent structure, upper housing is in the transmittance section of the first light-guiding pillar at this time 10 corresponding positions are equipped with the second area of knockout, and when realizing h axis key switch, the light that LED radiated element 15 issues successively leads to Second area of knockout of the transmittance section 10, upper housing 1 of crossing the first light-guiding pillar 7 is transmitted at keycap 14, illuminates the word on keycap 14 Symbol, when realizing n axis key switch, since upper housing 1 is nontransparent structure, the extraneous light of keycap 14 does not affect photosensitive Receiving element 16, key switch can also include LED backlight 20, and LED backlight 20 is arranged on pcb board 17, LED backlight 20 preferably use RGB three-primary color LED lamp, since upper housing 1 and lower case 2 are nontransparent structure, in order to make LED backlight 20 Can transmit upwards, upper housing 1 and lower case 2 be respectively equipped on the corresponding position of LED backlight 20 third area of knockout and 4th area of knockout, the light that LED backlight 20 issues can pass sequentially through the 4th area of knockout 21 of lower case 2, upper housing 1 Third area of knockout is transmitted at keycap 14.

Further, it is also possible to realize n axis key switch under optics axis body and the non-rotary situation of pcb board 17, it is only necessary to LED radiated element 15 encapsulate an infrared lamp, the illumination functions of LED radiated element 15 can completely close at this time, reach n axis by The same effect of key switch.

From the foregoing it can be that key switch when optics axis body is used as h axis, its advantage is that saving a LED back Light lamp, not only saves material, also saves space, environmental protection and economy, but in order to make switch conduction, in stand-by mode, LED Radiated element glimmer always, is unable to contract fully；Key switch when optics axis body is used as n axis, its advantage is that all lamps It can all be closed when needing, but a more LED backlight 20, it is at high cost, therefore above-mentioned optics axis body can both work as h axis It uses, and can be used when n axis, user can select according to different needs.

The present embodiment utilizes above-mentioned n axis key switch, can produce a kind of mechanical keyboard, as shown in figure 22, the mechanical keys Disk includes pcb board 17 and above-mentioned n axis key switch, and bracket 22, n axis are equipped between the pcb board 17 and above-mentioned n axis key switch Key switch is mounted on pcb board 17 by bracket 22；Preferably, bracket 22 is metallic support, between pcb board 17 and bracket 22 It is fixed by way of screw or engaging；N axis key switch can also be by being connected on pcb board 17, with different cards Button is directly connected to save more spaces on pcb board 17, so that mechanical keyboard becomes thinner.

Transparent watertight paint can be immersed, brushes or spray by posting the pcb board 17 after the completion of all elements and functional test, be made The outer surface of pcb board 17 has layer protecting film, transparent watertight paint light-permeable, and the normal function for not influencing pcb board 17 plays, Protective film is set to play the role of anti-insulation, antistatic, waterproof and dustproof to pcb board 17.

Embodiment 2:

As shown in figure 23 and figure 24, a kind of optics axis body is present embodiments provided, which can be realized an axis two With, including upper housing 1, lower case 2 and handle 3, the setting of handle 3 is on upper housing 1, and 3 bottom of handle is equipped with the first shading member Part 4, upper housing 1 are fixedly connected with lower case 2, and upper housing 1 and handle 3 are centrosymmetric structure；Phase is equipped with inside lower case 2 Pair the first guide-lighting slot 5 and the second guide-lighting slot 6, the first guide-lighting slot 5 is for accommodating the first light-guiding pillar 7, and the second guide-lighting slot 6 is for holding Receive the second light-guiding pillar 8, in order to be clearly seen the first guide-lighting slot 6 of guide-lighting slot 5, second, the first light-guiding pillar 7 and the second light-guiding pillar 8, such as Figure 23 and Figure 24 shows the figure of another angle.

First light-guiding pillar 7 and the second light-guiding pillar 8 can be using the good materials of the guide-lighting performance such as optical fibers, guide-lighting plastic cement Material is made, and can be designed to the shapes such as circular arc body, cuboid, cylindrical body, according to actual needs with a thickness of 1.8~2.4mm.First leads Light beam 7 has the first light-reflecting portion 9 and transmittance section 10, and the second light-guiding pillar 8 has the second light-reflecting portion 11, and the first light-reflecting portion 9 is to the left Inclination, the second light-reflecting portion 11 tilt to the right, and the light that transmittance section 10 is issued for transmiting LED radiated element upwards, first is reflective Portion and the inclined angle of the second light-reflecting portion are traditionally arranged to be between 30-60 degree, and the present embodiment is in order to reach better effect, and first Light-reflecting portion and the second inclined angle of light-reflecting portion light-reflecting portion are 45 degree.

In the present embodiment, the first shading element 4 is shading sliding block, and handle 3 and the junction of keycap are long shape, is pressed The junction of handle 3 and keycap is center symmetric shape, therefore can be used as the use of h axis in optics axis body original state, in light After learning axis body rotation 180 degree, the use of n axis can be used as；Spacing between 1 plane of upper housing and 2 plane of lower case is 3mm, the mechanical keyboard very thin thickness worked it out in this way, is suitable as the keyboard of the equipment such as integrated computer, laptop.

Further, reseting elastic element 12 is additionally provided with inside lower case 2, reseting elastic element 12 is connect with handle 3, this The reseting elastic element 12 of embodiment is reset spring；By taking normally closed form as an example, the optics axis body optical signal transmission of the present embodiment Principle are as follows: when handle 3 just starts stress, optics axis body all parts are in original state, and the first shading element 4 makes first to lead Light beam 7 is transferred to the optical signal partition of the second light-guiding pillar 8, multiple when 3 stress of handle is gone downwards at 1.2mm as shown in Figure 25 a Position 12 forced compression of elastic element, the first shading element 4 moves downward 1.2mm with handle 3, as shown in figure 25b, when handle 3 by When power is gone downwards at 2.8mm, handle 3 runs to 2 bottom of lower case, and 12 stress of reseting elastic element is compressed completely, the first shading Element 4 moves downward 2.8mm with handle 3, makes the optical signal conducting for being transferred to the second light-guiding pillar 8 from the first light-guiding pillar 7, such as schemes Shown in 25c, that is to say, that as handle 3 is constantly pressed and bounces, the partition and conducting of optical signal may be implemented.

Further, torsion elastic element 13 is additionally provided with inside lower case 2, torsion elastic element 13 is connect with handle 3, this The torsion elastic element 13 of embodiment is torque spring；The principle of sound of the present embodiment are as follows: when handle 3 just starts stress, light It learns axis body all parts and is in original state, as shown in Figure 26 a, when 3 stress of handle is at downlink 1.2mm, torsion elasticity member Part 13 is followed movement by the pushing of handle 3, is moved to B location by location A, as illustrated in figure 26b, is gone downwards to when handle 3 continues stress When at 1.6mm, torsion elastic element 13 is followed movement by the pushing of handle 3, is moved to location of C by B location, as shown in Figure 26 c, is pressed Handle 3 in 1.6mm stroke, pressing force between torsion elastic element 13 and handle 3 at equilibrium state, when handle 3 continue it is past When the stroke of 2.8mm is advanced, the balance between 3 pressing force of torsion elastic element 13 and handle is broken, torsion elastic element 13 Since the power of itself taps rapidly from location of C to location A the sound of sending " clatter clatter ", as shown in Figure 26 d.

As shown in Figure 27 and Figure 28, the present embodiment additionally provides a kind of key switch, which includes keycap, LED Radiated element 15, photosensitive receiving element 16 and above-mentioned optics axis body, LED radiated element 15 and photosensitive receiving element 16 are distinguished The right and left of pcb board 17 is set, and the first light-guiding pillar 7 is located at the top of LED radiated element 15, and the second light-guiding pillar 8 is located at light The top of quick receiving element 16, in order to be clearly seen LED radiated element 15 and photosensitive receiving element 16, Figure 27 shows another The figure of angle.

The photosensitive receiving element 16 can be connected in parallel with a capacitor, and play the role of integral to voltage, as handle is pressed After lower, the intensity of illumination in the unit time of first the 7 to the second light-guiding pillar of light-guiding pillar 8, which gradually changes, (gradually becomes strong, often when normally closed Gradually die down when opening), the voltage being added on photosensitive receiving element 16 just has a linear variation, to realize simulation gradual change The function of input, allows user to carry out finer operation, improves the true operation experience of user.

The upper housing 1 is transparent configuration, is specifically made of transparent plastic material, and lower case 2 is nontransparent structure, this When the light that issues of LED radiated element 15 can pass sequentially through the transmittance section 10 of the first light-guiding pillar 7, upper housing 3 is transmitted at keycap, The character on keycap is illuminated at this time, plays the role of illumination, since LED radiated element realizes the function of backlight, thus It is not necessary that a LED backlight is separately provided, lower case 2 is allowed to reserve biggish space setting other component, LED transmitting member Part 15 preferably uses RGB three-primary color LED lamp, and in this way in the case where the damage of wherein LED light, other two LED light can be with Make optical signal normally and is illuminated；Keycap extraneous light interferes photosensitive receiving element 16 in order to prevent, The second shading element 18 is arranged in the top of second light-guiding pillar 8；Since the light that LED radiated element 15 issues can be by the first leaded light The transmittance section 10 of column 7 transmits upwards, and the of the second light-guiding pillar 8 can also be reflected by the first light-reflecting portion 9 of the first light-guiding pillar 7 Two light-reflecting portions 11 return to photosensitive receiving element 16 after the reflection of the second light-reflecting portion 11 of the second light-guiding pillar 8, it is seen that the biography of optical signal Defeated route is similar to the shape of " h ", it is achieved that h axis key switch；Those skilled in the art are it is recognised that LED transmitting member Part 15 can also be realized using monochromatic LED backlight.

The present embodiment utilizes above-mentioned h axis key switch, can produce a kind of mechanical keyboard, as shown in figure 29, the mechanical keys Disk includes pcb board 17 and above-mentioned h axis key switch, and bracket 22, h axis are equipped between the pcb board 17 and above-mentioned h axis key switch Key switch is mounted on pcb board 17 by bracket 22；Preferably, bracket 22 is metallic support, between pcb board 17 and bracket 22 It is fixed by way of screw or engaging；H axis key switch can also be by being connected on pcb board 17, with different cards Button is directly connected to save more spaces on pcb board 17, so that mechanical keyboard becomes thinner.

Transparent watertight paint can be immersed, brushes or spray by posting the pcb board 17 after the completion of all elements and functional test, be made The outer surface of pcb board 17 has layer protecting film, transparent watertight paint light-permeable, and the normal function for not influencing pcb board 17 plays, Protective film is set to play the role of anti-insulation, antistatic, waterproof and dustproof to pcb board 17.

After the optics axis body and pcb board 17 rotate 180 degree, as shown in Figure 29~Figure 32, is used at this time as n axis, be The light for avoiding LED radiated element 15 from issuing transmits away from the transmittance section 10 of the first light-guiding pillar 7, can also in the first light-guiding pillar 7 top is equipped with third shading element 19, and the second shading element 18 and third shading element 19 are all made of black plastic material system At light shielding block, be connected between two light shielding blocks by link block, LED radiated element 15 is first anti-by the first light-guiding pillar 7 Light portion 9 is reflected into the second light-reflecting portion 11 of the second light-guiding pillar 8, returns to light after the reflection of the second light-reflecting portion 11 of the second light-guiding pillar 8 Quick receiving element 16, it is seen that the transmission route of optical signal is similar to the shape of " n ", it is achieved that n axis key switch；In order to reach To better effect, the LED radiated element 15 on pcb board 17 can be replaced with into infrared emission component.

In order to realize that the illumination functions of n axis key switch, key switch can also include LED backlight 20, LED backlight 20 are arranged on pcb board 17, and LED backlight 20 preferably uses RGB three-primary color LED lamp, since lower case 2 is nontransparent structure, Lower case 2 is equipped with the first area of knockout 21 on the corresponding position of LED backlight 20, and the light that LED backlight 20 issues can be according to Secondary to be transmitted at keycap 14 by the first area of knockout 21, the upper housing 1 of lower case 2, the character on keycap 14 is illuminated at this time； Those skilled in the art are it is recognised that LED backlight 20 can also be realized using monochromatic LED lamp.

It is understood that upper housing 1 or nontransparent structure, upper housing is in the transmittance section of the first light-guiding pillar at this time 10 corresponding positions are equipped with the second area of knockout, and when realizing h axis key switch, the light that LED radiated element 15 issues successively leads to Second area of knockout of the transmittance section 10, upper housing 1 of crossing the first light-guiding pillar 7 is transmitted at keycap 14, illuminates the word on keycap 14 Symbol, when realizing n axis key switch, since upper housing 1 is nontransparent structure, the extraneous light of keycap 14 does not affect photosensitive Receiving element 16, key switch can also include LED backlight 20, and LED backlight 20 is arranged on pcb board 17, LED backlight 20 preferably use RGB three-primary color LED lamp, since upper housing 1 and lower case 2 are nontransparent structure, in order to make LED backlight 20 It can transmit, upper housing 1 and lower case 2 are respectively equipped with third area of knockout and the 4th on the corresponding position of LED backlight 20 Area of knockout, the light that LED backlight 20 issues can pass sequentially through the third of the 4th area of knockout 21 of lower case 2, upper housing 1 Area of knockout is transmitted at keycap 14.

Further, it is also possible to realize n axis key switch under optics axis body and the non-rotary situation of pcb board 17, it is only necessary to LED radiated element 15 encapsulate an infrared lamp, the illumination functions of LED radiated element 15 can completely close at this time, reach n axis by The same effect of key switch.

In conclusion being equipped with the guide-lighting slot of opposite two inside the lower case of the optics axis body of the utility model, two are led Light slot can accommodate light-guiding pillar, and wherein light-guiding pillar is made of the good material of the guide-lighting performance such as optical fibers, guide-lighting plastic cement, handle Junction with keycap is center symmetric shape, initial in optics axis body since cooperation keycap is designed using central symmetry It can be used as the use of h axis when state, after optics axis body rotates 180 degree, can be used as the use of n axis, optics axis body makes as h axis The key switch of used time executes light switch function from the light that the LED radiated element on pcb board issues to the first light-guiding pillar, and A part of light therein is transmitted to the function of executing and illuminate keycap character upwards, its advantage is that saving a LED backlight, not only Material is saved, also saves space, environmental protection and economy, key switch when optics axis body is used as n axis can be in pcb board It is upper to increase the LED backlight for illuminating character, and the top of the first light-guiding pillar is blocked using shading element, illumination instruction is by increased LED backlight completes illumination instruction, its advantage is that all lamps can be closed all when needing, allows user can be according to different Demand is selected, and it is dual-purpose to be truly realized an axis.

The above, only the utility model patent preferred embodiment, but the protection scope of the utility model patent is simultaneously Not limited to this, anyone skilled in the art is in the range disclosed in the utility model patent, according to this Technical solution and its utility model design of utility model patent are subject to equivalent substitution or change, belong to the utility model patent Protection scope.

Claims (10)

1. a kind of dual-purpose type optics axis body, it is characterised in that: including upper housing, lower case and handle, the handle is arranged upper On shell, handle bottom is equipped with the first shading element, and the junction of handle and keycap is center symmetric shape, the upper housing with Lower case is fixedly connected；The guide-lighting slot of opposite first and the second guide-lighting slot, the described first guide-lighting slot are equipped with inside the lower case For accommodating the first light-guiding pillar, for the described second guide-lighting slot for accommodating the second light-guiding pillar, first light-guiding pillar is anti-with first Light portion and transmittance section, second light-guiding pillar have the second light-reflecting portion, and first light-reflecting portion tilts to the left, and described second is anti- Light portion tilts to the right, the light that the transmittance section is issued for transmiting LED radiated element upwards.

2. a kind of dual-purpose type optics axis body according to claim 1, it is characterised in that: be additionally provided with inside the lower case multiple Position elastic element, the reseting elastic element are connect with handle.

3. a kind of dual-purpose type optics axis body according to claim 1, it is characterised in that: be additionally provided with torsion inside the lower case Power elastic element, the torsion elastic element are connect with handle.

4. a kind of key switch, it is characterised in that: including keycap, LED radiated element, photosensitive receiving element and claim 1- 3 described in any item optics axis bodies, the keycap setting are connect above handle, and with handle, the LED radiated element and light Quick receiving element is separately positioned on the right and left of pcb board, and first light-guiding pillar is located at the top of LED radiated element, described Second light-guiding pillar is located at the top of photosensitive receiving element.

5. a kind of key switch according to claim 4, it is characterised in that: the upper housing is transparent configuration, under described Shell is nontransparent structure, and the top of second light-guiding pillar is equipped with the second shading element；

In the initial state, the light that the LED radiated element issues passes sequentially through the first light-guiding pillar for the optics axis body and pcb board Transmittance section, upper housing be transmitted at keycap, illuminate the character on keycap, the first light-reflecting portion of first light-guiding pillar is by LED The light that radiated element is emitted is reflected into the second light-reflecting portion of the second light-guiding pillar, after the reflection of the second light-reflecting portion of the second light-guiding pillar Return to photosensitive receiving element；

The optics axis body and pcb board are after rotating 180 degree, and the first light-reflecting portion of first light-guiding pillar is by LED radiated element The light emitted is reflected into the second light-reflecting portion of the second light-guiding pillar, returns to after the reflection of the second light-reflecting portion of the second light-guiding pillar photosensitive Receiving element.

6. a kind of key switch according to claim 5, it is characterised in that: the optics axis body and pcb board are in rotation 180 After degree, the key switch further includes LED backlight, and the LED backlight is arranged on pcb board, and the lower case is carried on the back in LED The corresponding position of light lamp is equipped with the first area of knockout, and the light that LED backlight issues passes sequentially through the first of lower case and hollows out area Domain, upper housing are transmitted at keycap, illuminate the character on keycap.

7. a kind of key switch according to claim 4, it is characterised in that: the upper housing and lower case are nontransparent Structure, upper housing are equipped with the second area of knockout on the transmittance section corresponding position of the first light-guiding pillar；

In the initial state, the light that the LED radiated element issues passes sequentially through the first light-guiding pillar for the optics axis body and pcb board Transmittance section, upper housing the second area of knockout be transmitted at keycap, illuminate the character on keycap, first light-reflecting portion will The light that LED radiated element is emitted is reflected into the second light-reflecting portion, returns to after the reflection of the second light-reflecting portion of the second light-guiding pillar photosensitive Receiving element；

The optics axis body and pcb board are after rotating 180 degree, and the first light-reflecting portion of first light-guiding pillar is by LED radiated element The light emitted is reflected into the second light-reflecting portion of the second light-guiding pillar, returns to after the reflection of the second light-reflecting portion of the second light-guiding pillar photosensitive Receiving element.

8. a kind of key switch according to claim 7, it is characterised in that: the optics axis body and pcb board are in rotation 180 After degree, the key switch further includes LED backlight, and the LED backlight is arranged on pcb board, the upper housing and lower casing Body is respectively equipped with third area of knockout and the 4th area of knockout, the light that LED backlight issues on the corresponding position of LED backlight The third area of knockout of the 4th area of knockout, upper housing that pass sequentially through lower case is transmitted at keycap, illuminates the word on keycap Symbol.

9. a kind of key switch according to claim 4, it is characterised in that: the LED radiated element is packaged with infrared lamp.

10. a kind of mechanical keyboard, including pcb board, it is characterised in that: further include multiple claim 4-9 it is described in any item by Key switch, multiple key switches are mounted on pcb board by bracket, or by being connected on pcb board.