CN107591269A - A kind of high-stroke ultra-thin key switch - Google Patents

Abstract

The invention discloses a kind of high-stroke ultra-thin key switch, core assembly is led including pedestal, keycap and between keycap and pedestal, lead core assembly and lead core with interior including outer core of leading, outer core of leading includes a pressing projection and convex located at the wild card edge at pressing projection edge, and a small perforation is offered on pressing projection；Inside leading core includes passing the pressing projection of small perforation and convex from the bottom to top located at pressing raised brim and is arranged in the interior card edge of pressing underbump；When pressing down on keycap, core is led in drive it is displaced downwardly to the raised upper surface of pressing and is flushed with leading the pressing projection upper surface of core outside, obtain as it is interior lead core caused by leading portion pressing stroke, continue to press, outer core of leading is driven to lead core with interior and together move down, obtain as lead outside core with it is interior lead core caused by back segment pressing stroke, to obtain high total pressing stroke.While the present invention meets the needs of product thickness is thin, total pressing stroke is improved, so as to greatly improve pressing feel, product is developed to slimming.

Description

A kind of high-stroke ultra-thin key switch

Technical field

The present invention relates to a kind of key switch, more particularly to a kind of high-stroke ultra-thin key to switch.

Background technology

Key switch, it is a kind of switch being widely used on keyboard.The primary structure of this switch include pedestal, on Lid, static contact, movable contact spring and core is led, lid and pedestal enclose to form accommodating cavity on this, the static contact, movable contact spring and lead core and are arranged at In the accommodating cavity, and the one end for leading core is exposed outside accommodating cavity, and core is led by pressing manipulation so that and it is up and down to lead core, and then Acted on by leading core on movable contact spring so that movable contact spring contacts connection with static contact or departed from and separates, so as to realize key switch Conducting and break function.

Above-mentioned existing key switching structure, disconnect or turn between static contact and movable contact spring though being provided to user The effect of connection.But had been found that in actual use and many deficiencies have been still suffered from its own structure and performance, cause Existing key switch fails to reach optimal using effect and task performance in practical application.

All the time, the pressing feel of key switch and product thickness can not all meet the needs of user always, press hand Feel relatively good key switch, product integral thickness is inevitable very thick, and product thickness is than relatively thin product, its press feel again by To very big limitation.The method of traditional raising pressing feel is directly to increase the same height for leading core, to obtain high pressing row Journey, so as to improve pressing feel, however, by the way of directly increasing and leading core, the whole of key switch (pedestal) will necessarily be increased Body height, therefore, pressing feel are difficult to meet to require simultaneously with product thickness.

Meanwhile existing luminous button switch is, it is necessary to which additional light guide structure is light-emitting component inside key switch Leaded light, to improve illumination effect.By the way of additional light guide structure, key switch inner space will necessarily be taken, from And increase the overall dimensions of product.Simultaneously as the reason of key switch internal structure design, has the effect of blocking to light, Light can not be diffused into well in the middle part of key switch and outside, or occurs there was only edge-lit, and middle part is non-luminous Phenomenon, causing key switch, illumination effect is bad on the whole.

The content of the invention

For above-mentioned deficiency, it is an object of the invention to provide a kind of high-stroke ultra-thin key switch, meet product thickness While thin demand, total pressing stroke is improved, so as to greatly improve pressing feel, product is developed to slimming, simultaneously With good illumination effect.

The present invention is that technical scheme is used by reaching above-mentioned purpose：

A kind of high-stroke ultra-thin key switch, including a pedestal, a keycap and what is be arranged between keycap and pedestal one lead Core assembly, it is characterised in that the core assembly of leading includes leading in core and one outside one and leading core, this is outer lead core include one press projection, And convex offers a small perforation located at the wild card edge at pressing projection edge on the pressing projection；This is interior lead core include by Under it is supreme pass small perforation a pressing is raised and convex located at pressing raised brim and is arranged in the interior of pressing underbump Card edge；When pressing down on keycap, core is led in drive and is displaced downwardly to the pressing projection upper surface for pressing raised upper surface and leading core outside Flush, obtain as it is interior lead core caused by leading portion pressing stroke, continue to press, drive outer core of leading to lead core with interior and together move down, acquisition As lead outside core with it is interior lead core caused by back segment pressing stroke, to obtain high total pressing stroke.

As a further improvement on the present invention, there is a lid on the pedestal and positioned at outer core periphery fastening of leading, at this The large perforation passed for pressing projection is offered on lid.

As a further improvement on the present invention, the outer wild card edge for leading core includes being arranged at the left side on the left of pressing projection Wild card edge and the right wild card edge being arranged on the right side of pressing projection；The interior card is along including being arranged at the one of the raised left side of pressing Card edge in left inside card edge and the right side being arranged on the right side of pressing projection.

As a further improvement on the present invention, it is provided with a conducting group on the pedestal and positioned at core assembly side is led Part, a conducting control block is set up along an outer end in the left inside card.

As a further improvement on the present invention, the conducting control block is the briquetting positioned at feed-through assembly inner side edge, The briquetting outer side edges have a top incline, make have one by convex point pressing in the briquetting bottom；Core is led described outside The pressing outer side edges of projection one offer one first side passed for briquetting and slotted, and first side is slotted to be moved down in briquetting Dynamic offer allows bit space.

As a further improvement on the present invention, the feed-through assembly includes the still being arranged on pedestal and is arranged at On pedestal and positioned at a moving plate structure of still outer side edges, wherein, the moving plate structure includes being inserted on pedestal and being located at still One moving plate of outer side edges, it is arranged at moving plate inner side edge and is located at a plastic cement salient point of briquetting outer side edges and is arranged on pedestal And a plastic body of moving plate outer side edges is connected to, have on the outside of the plastic cement salient point upper end corresponding by convex point pressing with briquetting One protuberance, and there is a bottom incline corresponding with the top incline of briquetting in the plastic cement bump lower end outer side edges.

As a further improvement on the present invention, the feed-through assembly includes the transmitting tube and one being respectively arranged on pedestal Reception pipe, the transmitting tube is positioned at conducting control block one side, and the reception pipe is positioned at another side of conducting control block.

As a further improvement on the present invention, it is provided with a torsion spring on the pedestal and positioned at core assembly outer side edges are led； Card sets up the bullet block on torsion spring along an outer end in the interior right side for leading core, and the bullet block lower end outside, which has, to be supplied The one of the torsion spring arm insertion of torsion spring plays groove, and has a bullet block inclined plane in the bullet block upper end outer side edges；This it is outer lead core by Another outer side edges of belling block offer the one second side fluting that ammunition feed block passes, and second side fluting carries for moving up and down for bullet block For allowing bit space.

As a further improvement on the present invention, core is led in interior concave up be provided with one in pressing projection lower surface for leading core Guide groove, a guide shaft is convexly equipped with the middle part of core guide groove downwards in interior lead；On the pedestal and immediately below pressing projection upwards A guide pillar is convexly equipped with, a downward recessed pedestal guide groove for guide shaft insertion on the guide pillar central axis direction；The guide shaft is with leading Be arranged with a back-moving spring outside post, and the back-moving spring upper end be embedded in lead in core guide groove, lower end is enclosed located at guide pillar periphery, should Back-moving spring provides elastic restoring force to lead the reseting movement that moves up of core assembly.

As a further improvement on the present invention, the pedestal is arranged on a pcb board, and it is heavy that one is offered on the pcb board Plate hole, the insertion of pedestal lower end middle part are sunk in plate hole.

As a further improvement on the present invention, in addition to it is arranged between pedestal and keycap and encloses located at lid and lead core group One balancing stand of part periphery, the balancing stand include lower end be connected to a balancing pole A that in pedestal and upper end is connected in keycap and It is enclosed type frame that lower end, which is connected to a balancing pole B, balancing pole A and the balancing pole B that on pedestal and upper end is connected in keycap, Frame structure, and it is arranged in a crossed manner in the middle part of balancing pole A and balancing pole B；It is respectively arranged with two relative balancing pole A outer side edges One inserts axle, and the jack for inserting axle insertion is respectively arranged with two relative inner side edges of balancing pole B.

As a further improvement on the present invention in offering embedded groove on the balancing stand, set on the pcb board There is the LED in the embedded groove for being embedded in balancing stand, and the balancing stand is made up of transparent or semitransparent material.

As a further improvement on the present invention, some loopholes are offered on the lid, the core assembly of leading is by transparent Or translucent material is made.

Beneficial effects of the present invention are：

(1) be combined using by leading core outside with interior core of leading as leading core assembly, press down on lead core assembly when, acquisition two Hold stroke, respectively act solely in lead leading portion pressing stroke caused by core and act on outer core of leading simultaneously and lead core production with interior Raw back segment pressing stroke, under the requirement of identical product thickness, high total kilometres are obtained, i.e., in the requirement of identical pressing stroke Under, product height reduction, integral thickness is thinning, greatly improves pressing feel, while product is developed to slimming；

(2) by will be embedded in the middle part of pedestal lower end in the heavy plate hole of pcb board, heavy plank frame is formed, is further reduced Product height, makes product thickness thinner；

(3) use transparent or semitransparent balancing stand guide-lighting for LED, save extra increased light guide structure, in saving Portion space, light can be dissipated into outside to surrounding, both reach good illumination effect, save interiors of products space again.

Above-mentioned is the general introduction of inventive technique scheme, below in conjunction with accompanying drawing and embodiment, the present invention is done further Explanation.

Brief description of the drawings

Fig. 1 is the explosive view of the present invention；

Fig. 2 is the structural representation of the present invention；

Fig. 3 is another structural representation of the present invention；

Fig. 4 is the integral outer structural representation of the present invention；

Fig. 5 is the profile of the present invention；

Fig. 6 is the outer structural representation for leading core of the present invention；

Fig. 7 is the structural representation that core is led in the present invention；

Fig. 8 is LED assembling schematic diagram of the present invention.

Embodiment

Further to illustrate the present invention to reach the technological means and effect that predetermined purpose is taken, below in conjunction with accompanying drawing And preferred embodiment, the embodiment of the present invention is described in detail.

It refer to Fig. 1 to Fig. 8, the embodiment of the present invention provides a kind of high-stroke ultra-thin key switch, including a pcb board 1, sets The pedestal 2 that is placed on pcb board 1, the keycap 3 for being arranged at the top of pedestal 2, up and down it is arranged between keycap 3 and pedestal 2 One lead core assembly 4, be arranged on pedestal 2 and positioned at the feed-through assembly 5 for leading the side of core assembly 4 and be arranged on pedestal 2 and Positioned at the elastic component 6 for leading the lower section of core assembly 4, in the present embodiment, the lower surface of pedestal 2 is connected to by some fixed feets On pcb board 1.The core assembly 4 of leading includes leading in core 41 and one outside one and leading core 42, on the pedestal 2 and is located at and leads outside outside core 41 Enclosing fastening has a lid 7, and a large perforation 71 is offered on the lid 7；As shown in fig. 6, the outer core 41 of leading is included from the bottom to top The pressing projection 411 and convex for passing large perforation 70 are located at the pressing lower edge of projection 411 and are arranged in the lower end of lid 7 Wild card along 412, a small perforation 4111 is offered on the pressing projection 411；As shown in fig. 7, the interior core 42 of leading is included under The supreme pressing projection 421 for passing small perforation 4111 and convex located at raised 421 lower edges of pressing and are arranged in pressing The interior card of the lower end of projection 421 has in supplying along 422 and leads the interior of core 42 in the present embodiment, in the outer pressing projection 411 for leading core Block along 422 hole clippings being caught in；When pressing down on keycap 3, core 42 is led in drive and is displaced downwardly to raised 421 upper surfaces of pressing with leading outside The upper surface of pressing projection 411 of core 41 flushes, obtain as it is interior lead core 42 caused by leading portion pressing stroke, continue to press, drive outer Core 41 is led together to move down with interior core 42 of leading, obtain as lead outside core 41 with it is interior lead core 42 caused by back segment pressing stroke, to obtain height Total pressing stroke.

In the present embodiment, as shown in fig. 6, the outer wild card for leading core 41 includes being arranged at the left side of pressing projection 411 along 412 One left outside card of side is along 4121 and is arranged at the right wild card on pressing projection 411 right side along 4122；As shown in fig. 6, the interior card Include being arranged at the left inside card in the left side of pressing projection 411 along 4221 along 422 and be arranged at the one right of the right side of pressing projection 411 It is interior to block along 4222.

In the present embodiment, a conducting control block 423 has been set up along 4,221 1 outer ends in the left inside card.When Control block 423 is turned on when being different structures, the feed-through assembly 5 of different structure can be used to realize conducting function, the present embodiment It is described in detail using two kinds of different embodiments.

One of which embodiment is, as shown in fig. 7, the conducting control block 423 is positioned at the inner side of feed-through assembly 5 The one briquetting 423' on side, briquetting 423' outer side edges have a top incline 4231, made in briquetting 423' bottoms Convex point pressing 4232 is pressed with one；As shown in fig. 6, offered in the outer outer side edges of pressing projection 411 1 for leading core 41 for pressing One first side that block 423' is passed fluting 4112, first side fluting 4112 for briquetting 423' move up and down offer step down it is empty Between.

As shown in Figures 1 and 2, the feed-through assembly 5 includes the still 51 being arranged on pedestal and is arranged at pedestal 2 A moving plate structures 52 upper and positioned at the outer side edges of still 51, wherein, the moving plate structure 52 includes being inserted on pedestal 2 and positioned at quiet One moving plate 521 of the outer side edges of piece 51, it is arranged at the inner side edge of moving plate 521 and positioned at a plastic cement salient point of briquetting 423' outer side edges 522 and it is arranged on pedestal 2 and is connected to a plastic body 523 of the outer side edges of moving plate 521, has on the outside of the upper end of plastic cement salient point 522 There is the protuberance 5221 corresponding by convex point pressing 4232 with briquetting 423', and on the lower end outside side of plastic cement salient point 5221 With a bottom incline 52211 corresponding with briquetting 423' top incline 4231.

Another embodiment is that the feed-through assembly 5 includes the transmitting tube and one being respectively arranged on pedestal 2 Reception pipe, the transmitting tube is positioned at conducting control block 423 1 side, and the reception pipe is positioned at 423 another side of conducting control block.When not When core assembly 4 is led in pressing, conducting control block 423 is between transmitting tube and reception pipe, and tube-launched light is blocked, connect Closed tube does not receive light, then key switch is off；When press down on lead core assembly 4 when, turn on control block 423 under Move away between transmitting tube and reception pipe, then reception pipe receives tube-launched light, then key switch is on shape State.

In the present embodiment, in order to improve Consumer's Experience, vocal structure is set up in key switch, such as Fig. 1 and Fig. 2 institutes Show, a torsion spring 8 is provided with the pedestal 2 and positioned at the outer side edges of core assembly 4 are led；Block in the interior right side for leading core 42 along 4222 One outer end sets up the bullet block 424 on torsion spring 8, and the lower end outside of bullet block 424 has the torsion spring arm for torsion spring 8 Embedded one plays groove 4241, and has a bullet block inclined plane 4242 in the upper end outer side edges of bullet block 424；This it is outer lead core 41 by 411 another outer side edges of belling block offer the one second side fluting 4113 that ammunition feed block 424 passes, and second side fluting 4113 is bullet The offer that moves up and down of block 424 allows bit space.

During the up and down motion repeatedly of core assembly 4 is led, in order to improve integrally-built stability, make to lead core assembly 4 vertically move up and down, while provide upward elastic restoring force to core assembly 4 is led, as shown in figure 5, the present embodiment exists Raised concave up be provided with one in 421 lower surfaces of pressing that core 42 is led in described leads core guide groove 4211, and interior core guide groove 4211 is led at this Middle part is convexly equipped with downwards a guide shaft 4212；The underface of projection 421 is convex to be provided with a guide pillar on the pedestal 2 and positioned at pressing 21, the downward recessed pedestal guide groove 22 inserted for guide shaft 4212 on the central axis direction of guide pillar 21；The elastic component 6 is set A back-moving spring 6' outside guide shaft 4212 and guide pillar 21, and back-moving spring 6' upper ends be embedded in lead core guide groove 4211 In, lower end is enclosed provides elastic restoring force located at the periphery of guide pillar 21, back-moving spring 6' to lead the reseting movement that moves up of core assembly 4.

In order to further shorten the whole height of key switch, product is set to develop to slimming, as shown in Fig. 1 and Fig. 5, A heavy plate hole 11 is offered on the pcb board 1, the lower end of pedestal 2 middle part insertion is sunk in plate hole 11, takes the part position of pcb board 1 Put, shorten the whole height of key switch.

In order to further provide for the pressing balance of key switch, make lead regardless of any position on pressing keycap 3 It is logical, as shown in Figures 1 and 3, the present embodiment key switch also include being arranged between pedestal 2 and keycap 3 and enclose located at lid 7 with A balancing stand 9 of the periphery of core assembly 4 is led, the balancing stand 9 is connected to including lower end in pedestal 2 and upper end is connected in keycap 3 One balancing pole A 91 and lower end are connected to the balancing pole B 92 that on pedestal 2 and upper end is connected in keycap 3, balancing pole A 91 and balancing pole B 92 is enclosed type frame structure, and the middle parts of balancing pole A 91 and balancing pole B 92 are arranged in a crossed manner；It is described One is respectively arranged with two relative balancing pole A 91 outer side edges and inserts axle, on two relative inner side edges of balancing pole B 92 respectively It is provided with the jack for inserting axle insertion.

In order that key switch produce illumination effect, as shown in figure 8, the present embodiment offered on the balancing stand 9 it is embedding Enter groove 93, the LED 10 being provided with the pcb board 1 in the embedded groove 93 for being embedded in balancing stand 9, and the balancing stand 9 by Transparent material or it is translucent be made, the present embodiment carries out leaded light using balancing stand 9, saves extra increased light guide structure, saves Key switch inner space.Meanwhile in order to further improve illumination effect, some loopholes 72 are offered on the lid 7, The core assembly 4 of leading is made up of transparent or semitransparent material.The spacing work to be moved up and down to improve lid 7 to leading core assembly 4 With, and structural stability, the present embodiment lid 7 are iron covering.

The present invention operation principle be：

Keycap 3 is pressed down on, keycap 3 is moved down, and core 42 is led in drive and is moved down, compression reseting spring 6', and core 42 is led until interior When moving down into raised 421 upper surfaces of pressing and flushing with leading the upper surface of pressing projection 411 of core 41 outside, continue to press, keycap 3 is simultaneously The pressing projection 411 of core 41 is led outside driving and the interior pressing projection 421 for leading core 42 moves down, and in the process, core 42 is led due to interior Upper briquetting 423''s is moved down by convex point pressing 4232, and departs from the protuberance 5221 of plastic cement salient point 522 in moving plate structure 52, and edge The bottom incline 52211 of plastic cement salient point 5221 is slided, and makes the bottom incline 52211 and the briquetting 423' phase of top incline 4231 Matching, so as to the resilience of moving plate 521, conducting is contacted with still 51.When releasing the pressing to keycap 3, in back-moving spring 6' bullet Property restoring force effect under, core 42 is led in drive to be moved up, when interior lead moves on to interior card along the 422 pressing projections with outside leading core 41 on core 42 During 411 contact, while lead core 41 outside drive and move up, until returning to nature, in the process, inside lead briquetting on core 42 423''s is contacted by protuberance 5221 of the convex point pressing 4232 again with plastic cement salient point 522 in moving plate structure 52, and is pushed out dynamic Chip architecture 52, moving plate 521 separate with still 51, so as to which key switch disconnects.It is of course also possible to use transmitting tube is made with reception pipe Conducting and break function are realized for feed-through assembly 5.

The above described is only a preferred embodiment of the present invention, be not intended to limit the scope of the present invention, Therefore identical with the above embodiment of the present invention or approximate technical characteristic is used, and obtained other structures, the guarantor in the present invention Within the scope of shield.

Claims (13)

1. a kind of high-stroke ultra-thin key switch, including a pedestal, a keycap and what is be arranged between keycap and pedestal one lead core Component, it is characterised in that the core assembly of leading includes leading in core and one outside one and leading core, this is outer lead core include one press projection and Convex offers a small perforation located at the wild card edge at pressing projection edge on the pressing projection；The interior core of leading is included under The supreme pressing projection for passing small perforation and convex are located at pressing raised brim and are arranged in the interior card of pressing underbump Edge；When pressing down on keycap, core is led in drive and is displaced downwardly to that to press raised upper surface neat with the pressing projection upper surface of leading core outside It is flat, obtain as it is interior lead core caused by leading portion pressing stroke, continue to press, drive outer core of leading to lead core with interior and together move down, obtain by Outer core of leading leads back segment pressing stroke caused by core with interior, to obtain high total pressing stroke.

2. high-stroke ultra-thin key according to claim 1 switch, it is characterised in that on the pedestal and positioned at leading outside Core periphery, which fastens, a lid, and the large perforation passed for pressing projection is offered on the lid.

3. high-stroke ultra-thin key switch according to claim 1, it is characterised in that the outer wild card edge for leading core includes It is arranged at one on the left of pressing projection left outside card edge and the right wild card edge being arranged on the right side of pressing projection；The interior card edge bag Include the left inside card edge for being arranged at the raised left side of pressing and be arranged at card edge in a right side on the raised right side of pressing.

4. high-stroke ultra-thin key according to claim 3 switch, it is characterised in that on the pedestal and positioned at leading core Component side is provided with a feed-through assembly, and a conducting control block has been set up along an outer end in the left inside card.

5. high-stroke ultra-thin key according to claim 4 switch, it is characterised in that the conducting control block is positioned at leading One briquetting of logical component inner side edge, the briquetting outer side edges have a top incline, make have one in the briquetting bottom By convex point pressing；The one first side fluting passed for briquetting is offered in the outer pressing outer side edges of projection one for leading core, this Side fluting allows bit space for the offer that moves up and down of briquetting.

6. high-stroke ultra-thin key switch according to claim 5, it is characterised in that the feed-through assembly includes being arranged at A still on pedestal and it is arranged on pedestal and positioned at a moving plate structure of still outer side edges, wherein, the moving plate structure includes It is inserted in the moving plate on pedestal and positioned at still outer side edges, is arranged at moving plate inner side edge and positioned at a modeling of briquetting outer side edges Glue salient point and be arranged on pedestal and be connected to a plastic body of moving plate outer side edges, have on the outside of the plastic cement salient point upper end with by A protuberance corresponding by convex point pressing for briquetting, and there is the top incline with briquetting in the plastic cement bump lower end outer side edges A corresponding bottom incline.

7. high-stroke ultra-thin key switch according to claim 4, it is characterised in that the feed-through assembly includes setting respectively The transmitting tube being placed on pedestal and a reception pipe, the transmitting tube is positioned at conducting control block one side, and the reception pipe is positioned at conducting Another side of control block.

8. high-stroke ultra-thin key according to claim 3 switch, it is characterised in that on the pedestal and positioned at leading core Component outer side edges are provided with a torsion spring；Card sets up the bullet on torsion spring along an outer end in the interior right side for leading core Block, the bullet block lower end outside has the bullet groove that the torsion spring arm for torsion spring is embedded in, and has a bullet in the bullet block upper end outer side edges Block inclined plane；The one second side fluting that ammunition feed block passes is offered in the outer another outer side edges of pressing projection for leading core, this second Side fluting allows bit space for the offer that moves up and down of bullet block.

9. high-stroke ultra-thin key switch according to claim 1, it is characterised in that raised in the interior pressing for leading core Concave up be provided with one in lower surface leads core guide groove, and a guide shaft is convexly equipped with the middle part of core guide groove downwards in interior lead；On the pedestal And positioned at pressing it is raised immediately below it is convex be provided with a guide pillar, it is recessed for guide shaft insertion downwards on the guide pillar central axis direction One pedestal guide groove；Be arranged with a back-moving spring outside the guide shaft and guide pillar, and the back-moving spring upper end be embedded in lead core guide groove In, lower end is enclosed provides elastic restoring force located at guide pillar periphery, the back-moving spring to lead the reseting movement that moves up of core assembly.

10. high-stroke ultra-thin key switch according to claim 1, it is characterised in that the pedestal is arranged at a pcb board On, a heavy plate hole is offered on the pcb board, the insertion of pedestal lower end middle part is sunk in plate hole.

11. switched according to any described high-stroke ultra-thin key in claim 2 to 10, it is characterised in that also include setting Between pedestal and keycap and a balancing stand of core assembly periphery is enclosed located at lid and leads, the balancing stand is connected to base including lower end It is one flat to be connected to that on pedestal and upper end is connected in keycap in the seat and balancing pole A that is connected in keycap of upper end and lower end Weighing apparatus bar B, balancing pole A and balancing pole B are enclosed type frame structure, and arranged in a crossed manner in the middle part of balancing pole A and balancing pole B； One is respectively arranged with two relative balancing pole A outer side edges and inserts axle, is set respectively on two relative inner side edges of balancing pole B It is equipped with the jack for inserting axle insertion.

12. high-stroke ultra-thin key switch according to claim 11, it is characterised in that offered on the balancing stand Embedded groove, the LED being provided with the pcb board in the embedded groove for being embedded in balancing stand, and the balancing stand by transparent or Translucent material is made.

13. high-stroke ultra-thin key switch according to claim 12, it is characterised in that offered on the lid some Loophole, the core assembly of leading are made up of transparent or semitransparent material.