CN209374313U - A kind of key switch folding balancing stand and the smart machine containing the key switch - Google Patents

Abstract

The utility model discloses one kind can fold the key switch of balancing stand and containing the smart machine of the key switch, key switch includes pedestal, movable plate, balancing stand, driving member and keycap, installation activity plate on pedestal, movable plate horizontally slips along pedestal, it is balancing stand above movable plate, balancing stand includes the left support and right support of left and right settings, the lower end of one bracket is connect with movable plate, the lower end of another bracket connects pedestal, two brackets move synchronously under the action of driving member, the both ends of reset spring are connected on two brackets or are connected on bracket and keycap, two pedestal upper ends are connect with keycap.When left and right pushes movable plate, balancing stand rotates the utility model with movable plate, and keycap moves up and down therewith, to realize folding for key.It folds Shi Buyu reset spring and generates interference, reduction folds required power.Key switch ensure that the stationarity that keycap moves up and down, and keycap skew card is avoided to knock or trigger the problems such as bad.

Description

A kind of key switch folding balancing stand and the smart machine containing the key switch

Technical field

The utility model relates to key switch technical fields, and in particular to one kind can fold the key switch of balancing stand and contain The smart machine of the key switch.

Background technique

Notebook is compared with desktop computer, and the two has a similar structure composition, but the advantage of laptop also right and wrong Often it will be evident that its major advantage have it is small in size, light-weight, easy to carry.In general, portability is notebook relative to desk-top The electromechanical maximum advantage of brain, either outgoing work is still traveled, can be carried, very convenient.

Currently, the ultralight ultra-thin the main direction of development for becoming laptop instantly, is mainly manifested in laptop Become thin, many manufacturers use the shorter keyboard of key stroke instead just in order to reduce the height of keyboard to replace stroke Long keyboard.However, key presses get up and uncomfortable, and sense of touch is bad after key stroke shortens, feedback sense is also insufficient.Such as: The MacBook Pro of apple uses the keyboard with butterfly foot and reduces the height of keyboard although shortening key stroke, But consumer generally reflects that handfeel of keys is bad.Also, because the design of butterfly foot is too accurate, as long as having a little dust or hair Hair drops in keyboard, will result in serious failure, influences the normal use of computer.Therefore, a handy ultrathin type is made Keyboard of notebook computer becomes the technical problem of this field.

Ideal ultra-thin type keyboard is a kind of keyboard that can be folded, and is exactly the keyboard cover when notebook screens are opened It is raised above；When notebook screens close, keyboard cover decline is folded.So, keyboard had both possessed enough key strokes, It can accomplish again ultra-thin.For example, the Chinese patent of United States Patent (USP) US5268545 in 1993 and 2005 Nian Dafang electronics CN1225686C is exactly similar design.However, these designs there is a problem of obvious, when being exactly that notebook closes, need to lead to The screen crossed on notebook depresses the keycap on keyboard.It is known that each keycap when pressing required strength be 60 gram forces, one A keyboard has more than 100 keys, and the total strength for pressing all keycaps reaches 6 kilograms.It just imagines, notebook screens are altogether When, 6 kilograms of lower amount of pressure to be provided and pushes keycap, if only just do not met super by increasing notebook screens own wt The growth requirement of light ultra-thin notebook, this is undoubtedly the difficulty for increasing button design, so that button design has moved towards another Blind alley.

Summary of the invention

How to accomplish to fold ultra-thin, sheet to solve the problems, such as existing key switch under the premise of not increasing and folding power Utility model, which provides one kind, can fold balancing stand key switch.

The purpose of this utility model is achieved through the following technical solutions: one kind can fold the key switch of balancing stand, including Pedestal, movable plate, balancing stand, driving member and keycap, installation activity plate on pedestal, movable plate horizontally slip along pedestal, activity It is balancing stand above plate, balancing stand includes the left support and right support of left and right settings, and the lower end of a bracket is connect with movable plate, The lower end of another bracket connects pedestal, and driving member drives two brackets to move synchronously, reset spring left and right settings, reset spring Both ends be connected on two brackets or be connected on bracket and keycap, two pedestal upper ends are connect with keycap, key Cap moves up and down with balancing stand.

Preferably, described one kind can fold the key switch of balancing stand, and the driving member is balancing pole, balancing pole it is upper End is connected to keycap the right and left, and the lower end of balancing pole is flexibly connected with bottom plate, and balancing pole moves on bottom plate with keycap.

Preferably, described one kind can fold the key switch of balancing stand, and the balancing pole is U-shaped, balancing pole or so Symmetrically, the lower end of balancing pole passes through the buckle of left and right settings on bottom plate, balancing pole rotation in buckle with keycap.

Preferably, described one kind can fold the key switch of balancing stand, and the driving member is by link block and link slot group At link block is inserted into link slot, and link block is arranged on a bracket, link slot is arranged on another bracket, passes through link block Being press-connected slot moves synchronously two brackets.

Preferably, described one kind can fold the key switch of balancing stand, the company of being respectively provided on the left support and right support Block and link slot are connect, the link slot on the link block and right support on left support cooperates, the link slot and right support on left support On link block cooperation.

Preferably, described one kind can fold the key switch of balancing stand, and the driving member is made of inserted block and slot, and one Inserted block is set on a bracket, slot is set on another bracket, inserted block is inserted into slot, is squeezed slot by inserted block and is made two A bracket moves synchronously.

Preferably, described one kind can fold the key switch of balancing stand, and the driving member is made of sliding block and sliding slot, and one Sliding block is set on a bracket, sliding slot is set on another bracket, sliding block is inserted into sliding slot, makes two by ram extrusion sliding slot A bracket moves synchronously.

Preferably, described one kind can fold the key switch of balancing stand, and convex block is arranged on the keycap, and convex block is located at multiple Above the spring of position, the both ends of reset spring are connected on left support and right support, are respectively provided with card slot in the middle part of two brackets, The hook at reset spring both ends is connected respectively on card slot, and reset spring is connect by hook with balancing stand.

Preferably, described one kind can fold the key switch of balancing stand, install elastomer on the pedestal, elastomer Bottom end is connect with pedestal, and elastomer is located at below left support, and when left support, which turns to, to be pressed on elastomer, elastomer discharges bullet Property potential energy pushes up left support.

Preferably, described one kind can fold the key switch of balancing stand, and limit buckle and guide-track groove is arranged on the pedestal, It is stuck on guide-track groove after motion bar insertion limit buckle on movable plate, the second jack is provided on motion bar, movable plate passes through second Jack is connect with the lower end of a bracket.

Preferably, described one kind can fold the key switch of balancing stand, and the motion bar includes shank and and grafting The integrally formed gag lever post of bar, shank is stuck on guide-track groove after gag lever post is inserted into limit buckle, is symmetricly set on before and after motion bar On movable plate, motion bar is connect with pedestal respectively.

Preferably, described one kind can fold the key switch of balancing stand, and the pedestal includes bottom plate, and bottom plate is fixedly connected First jack is set on pedestal, on bottom plate, and the lower end of another bracket is inserted into the first jack and fixes, and pedestal passes through first Jack is connect with another bracket.

Preferably, described one kind can fold the key switch of balancing stand, install trigger switch in the pedestal, triggering is opened Closing is one of optical coupled switch, thin film switch, mechanical switch and magnetic induction switch, when pressing down on keycap, chip according to The signal or signal intensity that trigger switch detects are triggered.

Preferably, described one kind can fold the key switch of balancing stand, and the trigger switch is optical coupled switch, light barrier It is arranged below right support, when pressing down on keycap, light barrier is inserted between the optocoupler of optical coupled switch, and light barrier blocks light Coupling transmitting terminal and receiving end, chip are triggered according to the change in optical signal that optical coupled switch detects.

Preferably, described one kind can fold the key switch of balancing stand, and the trigger switch is thin film switch, and film is opened Off-position is below right support, and when pressing down on keycap, right support moves downward extruding thin film switch with keycap and film is opened Conducting is closed, chip is triggered according to the electric signal that thin film switch detects.

Preferably, described one kind can fold the key switch of balancing stand, and the trigger switch is magnetic induction switch, magnetic strength Inductive switch includes magnet and magnetic inductor, and keycap is built-in with magnet, and when pressing down on keycap, magnet is transported downwardly together with keycap It is dynamic, magnetic inductor is set on the circuit board of pedestal, and magnetic inductor senses that the magnetic force of magnet, chip are detected according to magnetic induction switch To magnetic signal variation be triggered.

A kind of smart machine comprising the key switch for folding balancing stand, smart machine are the intelligence such as mobile phone and computer Energy electric appliance, including flip lid and keyboard base, key switch are mounted in keyboard base, and keyboard base and flip lid are rotatablely connected, and are connected on flip lid Bridgeware is connect, bridgeware is rotated with flip lid, and bridgeware is connect with movable plate, is rotated by bridgeware and is driven movable plate level fortune It is dynamic.

Preferably, the smart machine comprising the key switch for folding balancing stand, the bridgeware are displacement axis, are moved Position axis is mounted on flip lid, and displacement axis is rotated with flip lid, shifts the end setting fixture block of axis, and fixture block prolongs from displacement axis right end curved surface Displacement axis left end is extended to, displacement axis is connect by fixture block with movable plate, and movable plate is with the rotation side-to-side movement for shifting axis.

Compared with prior art, the utility model is with following the utility model has the advantages that the utility model works as left and right promotion activity When plate, balancing stand rotates with movable plate, and under driving member effect, keycap moves up and down therewith, to realize key It can fold.For this key switch when folding, balancing stand does not generate interference with reset spring, greatly reduces and folds required power Amount solves the problems, such as that super thin type keys on keyboard switchs.In addition, this key switch ensure that keycap moves up and down steady Property, it avoids keycap skew card caused by pressing keycap periphery and knocks or trigger the problems such as bad.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is one embodiment of the utility model, for those of ordinary skill in the art, before not making the creative labor property It puts, is also possible to obtain other drawings based on these drawings.

Fig. 1 is the structural schematic diagram of key switch in the utility model embodiment 1；

Fig. 2 is the assembling effect figure of key switch in the utility model embodiment 1；

Fig. 3 is the triggering state figure of key switch in the utility model embodiment 1；

Fig. 4 is the decomposition chart of key switch in the utility model embodiment 1；

Fig. 5 is that key switch folds schematic diagram in the utility model embodiment 1；

Fig. 6 is the trigger theory figure of key switch in the utility model embodiment 1；

Fig. 7 is the computer architecture schematic diagram in the utility model embodiment 2 including key switch；

Fig. 8 is that the computer in the utility model embodiment 2 including key switch opens and closes schematic diagram；

It includes displacement axle construction figure in key switch computer that Fig. 9, which is in the utility model embodiment 2,；

Figure 10 is the assembling effect figure of key switch in the utility model embodiment 3；

Figure 11 is the decomposition chart of key switch in the utility model embodiment 3；

Figure 12 is the assembling effect figure of key switch in the utility model embodiment 4；

Figure 13 is the decomposition chart of key switch in the utility model embodiment 4；

Figure 14 is the assembling effect figure of key switch in the utility model embodiment 5；

Figure 15 is the decomposition chart of key switch in the utility model embodiment 5；

Figure 16 is the assembling effect figure of key switch in the utility model embodiment 7；

Figure 17 is the decomposition chart of key switch in the utility model embodiment 7；

Figure 18 is the assembling effect figure of key switch in the utility model embodiment 8；

Figure 19 is the front exploded view of key switch in the utility model embodiment 8；

Figure 20 is the reverse side exploded view of key switch in the utility model embodiment 8；

Figure 21 is the decomposition chart of key switch in the utility model embodiment 9；

Figure 22 is the assembling effect figure of key switch in the utility model embodiment 9.

In figure: 1 pedestal, 11 buckles, 12 elastomers, 13 bottom plates, 14 first jacks, 15 limit buckles, 16 guide-track grooves, 17 circuits Plate；2 movable plates, 21 motion bars, 22 second jacks, 23 shanks, 24 gag lever posts, 25 connecting rods；3 balancing stands, 31 left supports, 32 Right support, 33 card slots, 34 light barriers, 35 protrusions；4 keycaps, 41 convex blocks, 42 magnet；5 reset springs, 51 hooks；6 driving members, 61 balancing poles, 62 sliding blocks, 63 sliding slots, 64 inserted blocks, 65 slots；7 trigger switch, 71 optocouplers, 72 thin film switches, 73 pressure sensitive adhesives, 74 isolation boards, 75 contacts；76 magnetic inductors；8 key switches, 81 keyboard bases, 82 computer screens；9 displacement axis, 91 fixture blocks.

Specific embodiment

The utility model in order to better understand will carry out the technical solution of the utility model by embodiment clear below Chu is fully described by, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole realities Apply example.Based on the embodiments of the present invention, those of ordinary skill in the art institute without making creative work The every other embodiment obtained, fall within the protection scope of the utility model.

Embodiment 1

As shown in Fig. 1 to Fig. 6, a kind of key switch folding balancing stand, the key switch includes pedestal 1, activity Plate 2, balancing stand 3, driving member 6 and keycap 4, installation activity plate 2 on pedestal 1, movable plate 2 horizontally slip along pedestal 1, movable plate Balancing stand 3 is connected on 2, balancing stand 3 includes left support 31 and right support 32, and the lower end of left support 31 is connect with movable plate 2, activity Plate 2 drives left support 31 to rotate, and the lower end of right support 32 connects pedestal 1, and driving member 6 drives left support 31 synchronous with right support 32 Movement connects reset spring 5 between left support 31 and right support 32, left support 31 and 32 upper end of right support are installed in keycap 4 On, keycap 4 moves up and down with balancing stand 3.

Convex block 41 is set in the keycap 4, convex block 41 is located at the top of reset spring 5.When pressing keycap 4, bullet is resetted Spring 5 is squeezed by convex block 41, and reset spring 5, which is pulled downwardly, to be stretched, so that the left support 31 and right support that are connected on reset spring 5 32 rotate, so that tight-tight variation of pine-can be occurred by pressing 4 feel of keycap, the feedback sense of key switch is increased with this.

The reset spring 5 is horizontally disposed, and the both ends of reset spring 5 are connected on left support 31 and right support 32, The middle part of left support 31 and right support 32 is respectively provided with card slot 33, and the hook 51 at 5 both ends of reset spring is connected respectively to card slot 33 On, reset spring 5 is connect with left support 31 and right support 32 respectively by hook 51.

The driving member 6 is balancing pole 61, and balancing pole 61 is arranged between keycap 4 and pedestal 1, and balancing pole 61 is in U-shaped Type, the upper end of balancing pole 61 are connected to 4 the right and left of keycap, and the lower end of balancing pole 61 passes through left and right settings peace on bottom plate 1 The buckle 11 of dress, balancing pole 61 rotate in buckle 11 with keycap 4.It is right under the action of balancing pole 61 of U-shaped when folding Bracket 32 ensure that the stationarity that keycap 4 moves up and down with 31 rotational motion of left support, while also avoid pressing keycap 4 weeks The problems such as 4 skew of keycap caused by side is stuck or triggering is bad.

Elastomer 12 is installed, elastic component 12 is spring, and the bottom end of elastomer 12 is connect with pedestal 1, bullet on the pedestal 1 Property body 12 be located at the lower section of left support 31, when left support 31, which turns to, to be pressed on elastomer 12, elastomer 12 discharges elastic potential energy Push up left support 31.The pedestal 1 includes bottom plate 13, and bottom plate 13 is fixedly connected on pedestal 1, and the is arranged on bottom plate 13 One jack 14, the lower end of right support 32 are inserted into the first jack 14 and fix, and pedestal 13 passes through the first jack 14 and right support 32 Connection.Limit buckle 15 and guide-track groove 16 are also set up on the bottom plate 13, the motion bar 21 on movable plate 2 blocks after being inserted into limit buckle 15 On guide-track groove 16.

The second jack 22 is provided on the motion bar 21 of the movable plate 2, movable plate 2 passes through the second jack 22 and left support 31 connections.The motion bar 21 include shank 23 and with the integrally formed gag lever post 24 of shank 23, gag lever post 24 insertion limit Position button 15 after shank 23 be stuck on guide-track groove 16, be symmetricly set on before and after motion bar 21 on movable plate 2, motion bar 21 respectively with Pedestal 1 connects.

Trigger switch 7 is also installed, trigger switch 1 is optical coupled switch, and light barrier 34 is arranged in right support 32 in the pedestal 1 Lower section, when pressing down on keycap 4, light barrier 34 is inserted between the optocoupler 71 of optical coupled switch, and light barrier 34 blocks optocoupler 71 Transmitting terminal and receiving end, optical coupled switch detects change in optical signal and passes to chip, so that chip is triggered.

Fold working principle: as shown in figure 5, when pulling movable plate 2 to the right, since the lower end of left support 31 is connected to work On movable plate 2, movable plate 2 drives left support 31 to rotate down, since setting is flat between the keycap 4 and pedestal 1 of 31 top of left support Weigh bar 61, and under the action of balancing pole 61, right support 32 rotates down therewith, connect as a result, with left support 31 and right support 32 Keycap 4 move downward, moved downward by pulling movable plate 2 to realize keycap 4 to the right.

Conversely, movable plate 2 is pushed to the left, since the lower end of left support 31 is connected to movable plate after keycap 4 moves downward On 2, movable plate 2 drives left support 31 to be rotated up, since balancing pole is arranged between the keycap 4 and pedestal 1 of 31 top of left support 61, under the action of balancing pole 61, right support 32 is rotated up therewith, the key connecting as a result, with left support 31 and right support 32 Cap 4 moves upwards, and is moved upwards by pushing movable plate 2 to realize keycap 4 to the left.

Triggering working principle: as shown in fig. 6, when pressing with finger keycap 4 after the rising of keycap 4, balancing stand 3 is with keycap 4 It is pressed downwardly, left support 31 and right support 32 are rotated to both sides simultaneously, so that being connected between left support 31 and right support 32 Reset spring 5 be stretched, also, left support 31 is pressed against and squeezes elastomer 12, while the light barrier 34 on right support 32 It being inserted between the transmitting terminal and receiving end of optocoupler 71, light barrier 34 blocks the optical signal of optocoupler 71 transmitting terminal and receiving end, by This, chip is triggered according to the change in optical signal that optical coupled switch detects, shows corresponding information, realizes key-press input function.

When unclamping keycap 4, the reset spring 5 that is stretched discharges elastic potential energy so that left support 31 and right support 32 to Central rotational, meanwhile, the elastomer 12 positioned at 31 lower section of left support pushes up left support 31, in reset spring 5 and elastomer Under the action of 12 is common, balancing stand 3, which moves upwards, jacks up keycap 4, and light barrier 34 moves up, and key-press input process is completed.

Embodiment 2

As shown in Figure 7 to 9, a kind of computer including the key switch of balancing stand can be folded, including flip lid and keyboard base, On the basis of embodiment 1, the key switch 8 is mounted in keyboard base 81, and keyboard base 81 and flip lid are rotatablely connected, flip lid For computer screen 82, bridgeware is connected on computer screen 82, bridgeware is rotated with computer screen 82, and bridgeware connect with movable plate 2, passes through Bridgeware rotation drives 2 horizontal movement of movable plate.

The bridgeware is displacement axis 9, and displacement axis 9 is mounted on computer screen 82, and displacement axis 9 is rotated with computer screen 82, is moved Fixture block 91 is arranged in the end of position axis 9, and for fixture block 91 from displacement 9 right end surface extending of axis to displacement axis left end, displacement axis 9 passes through fixture block 91 connect with movable plate 2, and fixture block 91 is stuck on movable plate 2, and movable plate 2 is with the rotation side-to-side movement for shifting axis 9.

Computer opens and closes principle: when opening computer screen 82, computer screen 82 is rotated relative to keyboard base 81, and displacement axis 9 is mounted on On computer screen 82, displacement axis 9 is rotated with 82 1 pieces of computer screen, and when displacement axis 9 rotates, due to the card on displacement axis 9 Block 91 is from displacement 9 right end surface extending of axis to displacement 9 left end of axis, and movable plate 2 is connected on fixture block 91,91 drive activity of fixture block Plate 2 moves downward, and movable plate 2 moves downward keycap 4 can be caused to move upwards, it is thus achieved that key when computer screen 82 is opened The function that cap 4 is raised above.Conversely, 82 backwards rotation of computer screen is closed on keyboard base 81 to lid when closing computer screen 82, move Position axis 9 turns round, and displacement axis 9 drives movable plate 2 to move right, and movable plate 2 moves right can cause the downward fortune of keycap 4 It is dynamic, it is thus achieved that keycap 4 declines the function of folding when computer screen 82 is opened.

Embodiment 3

As shown in Figure 10 to Figure 11, a kind of key switch folding balancing stand, on the basis of embodiment 2, this implementation The movable plate 2 of example is made of motion bar 21 and connecting rod 25, and there are two motion bars 21, and motion bar 21 is connected to connecting rod 25 Both ends, movable plate 2 is slidably connected by the motion bars 21 of front and rear sides with pedestal 1.

The trigger switch 7 is thin film switch 72, and thin film switch 72 is mounted on isolation board 74 by pressure sensitive adhesive 73, is pacified Isolation board 74 equipped with thin film switch 72 is fixed in pedestal 1, and bottom plate 13 is located at 72 top of thin film switch.The thin film switch 72 contact passes through bottom plate 13, and the contact of thin film switch 72 is located at below right support 32, is provided on right support 32 downward convex 35 are played, when pressing down on keycap 4, protrusion 35 opens film with the contact that right support 32 moves downward extruding thin film switch 72 It closes 72 to be switched on, the electric signal that chip is detected according to thin film switch 72 shows corresponding information to be triggered, and realizes key Input function.

Embodiment 4

As shown in Figure 12 to Figure 13, a kind of key switch folding balancing stand, on the basis of embodiment 3, this implementation The lower end of left support abutment 31 is fixed on the first jack 14 of pedestal 1 in example, and the lower end of right support abutment 32 is inserted on motion bar 21 Second jack 22 is simultaneously fixed.

There are two the contact 75 to raise upward, contact 75 is symmetrical set in thin film switch for the setting of thin film switch 72 On 72, two contacts 75 are each passed through bottom plate 13 and are located at left support abutment 31,32 lower section of right support, when pressing down on keycap 4, left branch Seat 31 and right support 32 with keycap 4 move downward squeeze thin film switch 72 contact 75 make thin film switch 72 be switched on, chip The electric signal detected according to thin film switch 72 shows corresponding information to be triggered, and realizes key-press input function.

When folding, movable plate 2 is pushed to the left, movable plate 2 drives right support 32 to rotate down, in the effect of balancing pole 61 Under, balancing pole 61 drives left support 31 to move with right support 32, left support 31 and right support 32 drive the keycap 4 of top to Upper rotation, to realize folding for keycap 4.

Embodiment 5

As shown in Figure 14 to Figure 15, a kind of key switch folding balancing stand, on the basis of embodiment 1, the touching Hair switch 7 is magnetic induction switch, and magnetic induction switch includes magnet 42 and magnetic inductor 76, and keycap 4 is built-in with magnet 42, when downward When pressing keycap 4, magnet 42 moves downwardly together with keycap 4, and magnetic inductor 76, magnetic induction are arranged on the circuit board 17 of pedestal 1 Device 76 senses the magnetic force of magnet 42, and the magnetic signal variation that chip is detected according to magnetic induction switch is triggered, and shows corresponding Information realizes key-press input function.

Embodiment 6

A kind of key switch folding balancing stand, on the basis of embodiment 1, one end of the reset spring 5 connect On left support 31, the other end of reset spring 5 is connected on the keycap 4 of 32 top of right support.

When triggering, when pressing with finger keycap 4, balancing stand 3 is pressed downwardly with keycap 4, left support 31 and right support 32 It is rotated simultaneously to both sides, the reset spring 5 being connected between left support 31 and keycap 4 is stretched；And when unclamping keycap 4, quilt The reset spring 5 of stretching discharges elastic potential energy, so that left support 31, right support 32 and keycap 4 reset.

Embodiment 7

As shown in Figure 16 to Figure 17, a kind of key switch folding balancing stand, on the basis of embodiment 1, this implementation The driving member 6 of example is made of sliding block 62 and sliding slot 63, and sliding block 62, the two sides setting of right support 32 is arranged in the two sides of left support 31 Sliding slot 63, the sliding block 62 on left support 31 are inserted on the sliding slot 63 of right support 32, and the sliding block 62 for passing through two sides squeezes sliding slot 63 So that left support 31 and right support 32 move synchronously.

Fold working principle: living since the lower end of left support 31 is connected on movable plate 2 when pulling movable plate 2 to the right Movable plate 2 drives left support 31 to rotate down, since left support 31 is connect with right support 32 by sliding block 62 and sliding slot 63, so that left Bracket 31 drives right support 32 to rotate down therewith, and the keycap 4 connecting with left support 31 and right support 32 moves downward, and passes through It pulls movable plate 2 to realize keycap 4 to the right to move downward.Conversely, movable plate 2 is pushed to the left after keycap 4 moves downward, it is left Bracket 31 drives right support 32 to be rotated up therewith, is moved upwards by pushing movable plate 2 to realize keycap 4 to the left.

Embodiment 8

As shown in Figure 18 to Figure 20, a kind of key switch folding balancing stand, on the basis of embodiment 7, this implementation The driving member 6 of example is made of inserted block 64 and slot 65, and inserted block 64 and slot 65, left branch are respectively provided on left support 31 and right support 32 Inserted block 64 on frame 31 is inserted on the slot 65 of right support 32, and the inserted block 64 on right support 32 is inserted into inserting on left support 31 In slot 65, slot 65 is squeezed by the inserted blocks 64 of two sides, left support 31 and right support 32 is moved synchronously, working principle with Embodiment 7 is consistent.

Embodiment 9

As shown in Figure 21 to Figure 22, a kind of key switch folding balancing stand, on the basis of embodiment 8, this implementation The driving member 6 of example is made of inserted block 64 and slot 65, and inserted block 64 is inserted into slot 65 and fixes, and passes through inserted block 64 and slot 65 Cooperation so that driving member 6 drives left support 31 and right support 32 to move synchronously.First jack 14 is movable span, right branch The lower end of frame 32 is inserted into the first jack 14, and right support 32 can the side-to-side movement in the first jack 14.

When folding, left support 31 drives the side-to-side movement in the first jack 14 of right support 32 by driving member 6, passes through right branch 32 side-to-side movement of frame rotates synchronously right support 32 and left support 31, to drive the fortune up and down of 3 top keycap 4 of balancing stand It is dynamic.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model Protection scope within.

Claims (10)

1. the key switch that one kind can fold balancing stand, it is characterised in that: including pedestal, movable plate, balancing stand, driving member and key Cap, installation activity plate on pedestal, movable plate horizontally slip along pedestal, are balancing stand above movable plate, and balancing stand includes left and right The left support and right support of setting, the lower end of a bracket are connect with movable plate, and the lower end of another bracket connects pedestal, transmission Part drive two brackets move synchronously, reset spring left and right settings, the both ends of reset spring be connected on two brackets or Person is connected on bracket and keycap, and two pedestal upper ends are connect with keycap, and keycap moves up and down with balancing stand.

2. the key switch that one kind according to claim 1 can fold balancing stand, it is characterised in that: the driving member is flat Weigh bar, and the upper end of balancing pole is connected to keycap the right and left, and the lower end of balancing pole is flexibly connected with bottom plate；The balancing pole U-shaped, balancing pole bilateral symmetry, the lower end of balancing pole passes through the buckle of left and right settings on bottom plate, and balancing pole is with keycap in card Rotation in button.

3. the key switch that one kind according to claim 1 can fold balancing stand, it is characterised in that: the driving member is by even Block and link slot composition are connect, link block is inserted into link slot, link block is arranged on a bracket, and connection is arranged on another bracket Slot is press-connected slot by link block and two brackets is moved synchronously；The driving member be made of inserted block and slot or by Sliding block and sliding slot composition.

4. the key switch that one kind according to claim 3 can fold balancing stand, it is characterised in that: the left support and the right side Link block and link slot are respectively provided on bracket, link block is inserted respectively into link slot, link block and right support on left support On link slot cooperation, the link block cooperation on the link slot and right support on left support.

5. the key switch that one kind according to claim 1 can fold balancing stand, it is characterised in that: be arranged on the keycap Convex block, convex block are located above reset spring, and the both ends of reset spring are connected on left support and right support, two brackets Middle part is respectively provided with card slot, and the hook at reset spring both ends is connected respectively on card slot, and reset spring is connected by hook and balancing stand It connects.

6. the key switch that one kind according to claim 1 can fold balancing stand, it is characterised in that: the pedestal includes bottom Plate, elastomer pass through bottom plate and connect with pedestal, and elastomer is located at below left support, are pressed on elastomer when left support turns to When, elastomer release elastic potential energy pushes up left support, and bottom plate is fixedly connected on pedestal, the first jack is set on bottom plate, Pedestal is connect by the first jack with bracket.

7. the key switch that one kind according to claim 1 can fold balancing stand, it is characterised in that: be arranged on the pedestal Limit buckle and guide-track groove are stuck on guide-track groove after the motion bar insertion limit buckle on movable plate, the second jack are provided on motion bar, Movable plate is connect by the second jack with bracket, is symmetricly set on movable plate before and after motion bar, and motion bar is living with pedestal respectively Dynamic connection.

8. the key switch that one kind according to claim 1 can fold balancing stand, it is characterised in that: installation in the pedestal Trigger switch, trigger switch are one of optical coupled switch, thin film switch, mechanical switch and magnetic induction switch, work as downward push When keycap, the signal or signal intensity that chip is detected according to trigger switch are triggered.

9. a kind of smart machine comprising the key switch described in claim 1 for folding balancing stand, including flip lid and keyboard Seat, it is characterised in that: the key switch is mounted in keyboard base, and keyboard base and flip lid are rotatablely connected, and conversion is connected on flip lid Part, bridgeware are rotated with flip lid, and bridgeware is connect with movable plate, are rotated by bridgeware and are driven movable plate horizontal movement.

10. smart machine according to claim 9, it is characterised in that: the bridgeware is displacement axis, and displacement axis is mounted on On flip lid, displacement axis is rotated with flip lid, shifts the end setting fixture block of axis, fixture block is from displacement axis right end surface extending to displacement axis Left end, displacement axis are connect by fixture block with movable plate, and movable plate is with the rotation side-to-side movement for shifting axis.