CN110137011A - Keyboard - Google Patents

Abstract

The present invention provides a kind of keyboard comprising support plate, button cap, barrier structure and switching module.Barrier structure is set between support plate and button cap, and close to the outer rim of button cap.Switching module is located at the lower section of button cap and connects the barrier structure, and switching module can be relative to support plate along the second axial movement, to drive barrier structure mobile.When switching module is in first state, outer rim of the barrier structure close to button cap.When switching module is in the second state, barrier structure is moved into the lower section of the outer rim of button cap, to stop button cap mobile.

Description

Keyboard

Technical field

The present invention relates to a kind of keyboards, more particularly to the keyboard with mistaken touch prevention press key function.

Background technique

Common computer peripheral input unit includes mouse, keyboard and trace ball etc., and wherein keyboard can directly key in text Word and symbol give computer, therefore the attention quite by user and input unit manufacturer.Wherein, relatively conventional is one Kind includes the keyboard of scissor connecting element.

Referring to Fig. 1, it is the structural schematic diagram of known laptop.Known laptop 1 include pedestal 10, on Lid 11, rotation axis 12 and keyboard 13, and screen 111 is provided in upper cover 11, and upper cover 11 can pass through the rotation of rotation axis 12 And it is covered in pedestal 10, or back starts and is in use state.Keyboard 13 is set on pedestal 10, is available for users to operation And corresponding push button signalling is generated, that is, it is in computer use pattern.Wherein, keyboard 13 includes multiple keys 130.

The structure of the key 130 of keyboard 13 will be illustrated next, with 130 explanation of single key in keyboard 13.Please refer to figure 2, it is the structural profile schematic side view of the key of known keyboard.Known key 130 in keyboard 13 include button cap 1301, Scissor connecting element 1302, elastic rubbery body 1303, film switch circuit 1304 and support plate 1305, and support plate 1305 To carry the second button cap 1301, scissor connecting element 1302, elastic rubbery body 1303 and film switch circuit 1304. Wherein scissor connecting element 1302 is to connect support plate 1305 and button cap 1301.

Scissor connecting element 1302 is between support plate 1305 and button cap 1301 and is separately connected two, and bullet Property rubber bodies 1303 are surround by scissor connecting element 1302.There are film switch circuit 1304 multiple press-button contacts (not show In figure).The press-button contact exports corresponding push button signalling when being triggered.Elastic rubbery body 1303 is set to thin film switch On circuit 1304 and an elastic rubbery body 1303 corresponds to a press-button contact, when elastic rubbery body 1303 is touched, bullet Deformation occurs and presses corresponding press-button contact in film switch circuit 1304 and generates push button signalling for property rubber bodies 1303.

The operation situation that user presses the key 130 of known keyboard 13 will be illustrated next.In Fig. 1, when user presses When button cap 1301,1301 stress of button cap and pushing against scissor connecting element 1302 makes its movement, therefore button cap 1301 can phase It moves down for support plate 1305 and presses corresponding elastic rubbery body 1303.At this point, shape occurs for elastic rubbery body 1303 Become and press film switch circuit 1304 to trigger the press-button contact of film switch circuit 1304, so that film switch circuit 1304 Export corresponding push button signalling.And when user stop press button cap 1301 when, the no longer stress of button cap 1301 and stop Elastic rubbery body 1303 is pressed, so that elastic rubbery body 1303 restores to the original state according to its elasticity, while providing elasticity up Therefore restoring force, button cap 1301 are pushed back the position before being touched.

In recent years, touch-control device can allow user directly to operate with finger or stylus, and have convenient for the excellent of operation Point, therefore liked by user and all big enterprises.Therefore, touch screen can be used in the screen 111 in laptop 1 Curtain, and there is touch function.On the other hand, manufacturer more release it is a kind of can reflexed laptop.Referring to Fig. 3, it is public affairs Know that laptop is in the structural schematic diagram of control mode touch mode.The upper cover 11 for the laptop 1 that Fig. 3 is shown passes through rotation axis 12 and overturn by the direction toward the bottom of pedestal 10, make the overturning of upper cover 11 to the state that contacts with the bottom of pedestal 10, and screen 111 are revealed in outside, that is, the appearance of similar touch-control device.Since screen 111 is touch control screen, therefore user can will take down notes This computer 1 is used as touch-control device.

However, the keyboard 13 of the laptop 1 in control mode touch mode can be revealed in outside, and user takes down notes in gripping When this computer 1, the hand of user can press key 130, and key 130 can move down and form recess, therefore user is difficult To hold laptop 1.In addition, laptop 1 can equally produce when key 130 is accidentally touched because of the gripping of user Raw push button signalling, and malfunction, to cause user operational because disturbing.

Therefore, it is necessary to a kind of keyboards that can change and can avoid malfunction according to the external form of laptop.

Summary of the invention

The purpose of the present invention is to provide a kind of keyboards with mistaken touch prevention press key function, to avoid malfunctioning.

In a preferred embodiment, the present invention provides a kind of keyboard comprising a support plate, a button cap, a blocking junction Structure and a switching module.The button cap is located at the top of the support plate, and can move relative to the support plate along a first axis It is dynamic.The barrier structure is set between the support plate and the button cap, and close to an outer rim of the button cap.The switching module Positioned at the button cap lower section and be connected to the barrier structure, can relative to the support plate along one second axial movement, with drive The barrier structure is mobile.Wherein, when the switching module is in a first state, which should close to the button cap Outer rim, and when the switching module is in second state, which is moved into the lower section of the outer rim of the button cap, To stop the button cap to move along the first axis.

In a preferred embodiment, which includes a sliding panel and a pillar, which is located at the support The lower section of plate, and can be relative to the support plate along second axial movement, which has a sliding rail.The pillar protrudes into It can be pushed against in the sliding rail and by the sliding panel, and the barrier structure is driven axially to move relative to the support plate along a third It is dynamic, wherein when the switching module is in the first state, which is located at the first position in the sliding rail, this is pressed Keycap can be touched and move relative to the support plate along the first axis；And when the switching module is in second state, The sliding panel is mobile and pushes against the pillar, the second position for being moved into the pillar in the sliding rail, the barrier structure The lower section of the outer rim of the button cap is driven and is moved to by the pillar, to stop the button cap to move along the first axis.

In a preferred embodiment, which further includes an another barrier structure, is set to the support plate and the button cap Between, and close to an another outer rim of the button cap.Wherein, which includes one first sliding panel, one second sliding Plate and a gear.First sliding panel is located at one first side of the button cap and is connected to the barrier structure, first sliding Plate can be relative to the support plate along second axial movement, which has one first rack gear.The second sliding panel position In the button cap a second side and be connected to another barrier structure, second sliding panel can relative to the support plate along this Two axial movements, second sliding panel have one second rack gear.The gear be located at first sliding panel and second sliding panel it Between and respectively with first rack gear and second rack gear.

In a preferred embodiment, when the switching module is in the first state, which is located at one first Position, and second sliding panel is located at a second position, which can be touched and relative to the support plate along the first axle To movement；And when first sliding panel is moved to a third place, and second sliding panel is moved to four position, the resistance Gear structure is driven by first sliding panel and is moved to the lower section of the outer rim of the button cap, and another barrier structure by this Two sliding panels drive and are moved to the lower section of another outer rim of the button cap, to stop the button cap to move along the first axis It is dynamic.

In short, the beneficial effects of the present invention are keyboard structure of the present invention is to control resistance by the movement of switching module The movement for keeping off structure, is the mode that can be pressed or can not press with switching key cap.Therefore, touch-control can be in laptop When mode, user's touch of key-press by accident cap is avoided, and is malfunctioned.

In a preferable practice, when can control laptop in a manner of software and being in control mode touch mode, cut-off film is opened The function on powered-down road is triggered with further avoiding film switch circuit by any object, and causes accidentally to touch.With well-known technique phase Than keyboard of the present invention can solve the problems, such as it really, and its structure is simple, and easily operated.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of known laptop.

Fig. 2 is the structural profile schematic side view of the key of known keyboard.

Fig. 3 is the structural schematic diagram that known laptop is in control mode touch mode.

Fig. 4 is that keyboard of the present invention is illustrated in the first preferred embodiment applied to the structural profile side view of laptop Figure.

Fig. 5 is partial structurtes decomposition diagram of the keyboard of the present invention in the first preferred embodiment.

Fig. 6 is the partial structurtes decomposition diagram at keyboard of the present invention another visual angle in the first preferred embodiment.

Fig. 7 is the partial structurtes decomposition diagram at keyboard of the present invention another visual angle in the second preferred embodiment.

Fig. 8 is that the switching module of keyboard of the present invention regards in the partial structurtes in the first preferred embodiment in first state Schematic diagram.

Fig. 9 is the structural profile side view that keyboard of the present invention and laptop deform in the first preferred embodiment Schematic diagram.

Figure 10 is the switching module of keyboard of the present invention in the partial structurtes in the first preferred embodiment in the second state Depending on schematic diagram.

Figure 11 is partial structurtes decomposition diagram of the keyboard of the present invention in third preferred embodiment.

Figure 12 is the switching module of keyboard of the present invention in the partial structurtes in third preferred embodiment in first state Depending on schematic diagram.

Figure 13 is the switching module of keyboard of the present invention in the partial structurtes in third preferred embodiment in the second state Depending on schematic diagram.

Appended drawing reference is as follows:

1,200 laptop

2,4,13 keyboard

10,201 pedestal

11,202 upper cover

12,203 rotation axis

21,41,1305 support plate

22,42 switching module

23,43,1301 button cap

24,44 frame

25,45,1302 scissor connecting element

26 elastic elements

27,47,1304 film switch circuit

28,38 barrier structure

48 first barrier structures

49 second barrier structures

111 screens

130 keys

204 interlinked mechanisms

211 support plate apertures

212 support plate hooks

213,413 first connection aperture

The upper surface of 214 support plates

221 sliding panels

222,381 pillar

The outer rim of 231 button caps

241,441 frame body

242,442 frame cover

243 holding tanks

271,471 second connection aperture

281 engagement grooves

421 first sliding panels

422 second sliding panels

423 gears

First outer rim of 431 button caps

Second outer rim of 432 button caps

1303 elastic rubbery bodies

2211 sliding rails

4211 first rack gears

4221 second rack gears

4231 fixing axles

D1 first axis

D2 second is axial

D3 third is axial

The first position P1

The second position P2

P3 the third place

The 4th position P4

Specific embodiment

The present invention provides a kind of keyboard with mistaken touch prevention press key function, to solve the problems, such as well-known technique.Please refer to Fig. 4, Fig. 5 and Fig. 6, Fig. 4 are the structural profile side that keyboard of the present invention is applied to laptop in the first preferred embodiment Depending on schematic diagram, Fig. 5 is partial structurtes decomposition diagram of the keyboard of the present invention in the first preferred embodiment, and Fig. 6 is the present invention The partial structurtes decomposition diagram at keyboard another visual angle in the first preferred embodiment.Fig. 5 shows all elements of keyboard 2, It includes support plate 21, switching module 22, multiple button caps 23, frame 24, multiple scissor connecting elements 25, multiple elasticity members Part 26, film switch circuit 27 and multiple barrier structures 28, and switching module 22 includes sliding panel 221 and multiple pillars 222.And the sliding panel 221 of keyboard 2 is arranged in the pedestal 201 of laptop 200, and pedestal 201 is connected to upper cover 202.The rotation axis 203 of laptop 200 is connected to upper cover 202 and interlinked mechanism 204, and upper cover 202 can pass through rotation axis 203 rotation relative to pedestal 20 enables 204 actuation of interlinked mechanism and laptop 200 is made to be in different operating modes.

Such as: when 202 covering base 201 of upper cover, laptop 200 is in suspend mode or shutdown mode；Upper cover 202 When being started and manifesting the keyboard 2 on pedestal 201, laptop 200 is in computer use pattern；And upper cover 202 is anti- Be folded to when being contacted with the bottom of pedestal 201, the external form of laptop 200 deform and in control mode touch mode.

In Fig. 5 and Fig. 6, support plate 21 includes multiple support plate apertures 211, multiple support plate hooks 212 and multiple First connection aperture 213, multiple support plate apertures 211 and multiple first connection apertures 213 all run through support plate 21, Duo Gezhi Fagging aperture 211 is located at the lower section of corresponding button cap 23, and multiple first connection apertures 213 are then located at corresponding switching The lower section of the pillar 222 of module 22.Multiple support plate hooks 212 are up to be extended by the upper surface 214 of support plate 21 and formed, It can be connected with corresponding scissor connecting element 25.Film switch circuit 27 is set in support plate 21, can be according to pressing The movement of keycap 23 and export the push button signalling corresponding to button cap 23.And there are film switch circuit 27 multiple second connections to open Hole 271, and multiple second connection apertures 271 extend through film switch circuit 27, wherein the second connection aperture 271 is located at phase The lower section of the pillar 222 of corresponding switching module 22.As for film switch circuit 27 multiple press-button contacts structure with it is known Technology is identical, and so it will not be repeated.

Button cap 23 is located at the top of support plate 21, and can be according to pressing for user and relative to support plate 21 along first Axial D1 is mobile, and there are button cap 23 multiple button cap hooks corresponding to scissor connecting element 25 (to be not depicted in figure In).Elastic element 26 is set between button cap 23 and film switch circuit 27, can be pushed against and be triggered thin by button cap 23 Membrane switch circuit 27, and can provide elastic force and give button cap 23.Scissor connecting element 25 is located at button cap 23 and film is opened Between powered-down road 27 and be connected to button cap 23 and support plate 21, wherein scissor connecting element 25 by with it is multiple Support plate hook 212 and connect with support plate 21, and connect by multiple button cap hooks with button cap 23, so that scissor Connecting element 25 can be interlocked with button cap 23.In this preferred embodiment, multiple button cap hooks and button cap 23 are integrally formed, And elastic element 26 is elastic rubbery body.

Multiple barrier structures 28 are set between support plate 21 and button cap 23, and close to the outer rim of button cap 23 231, Barrier structure 28 has multiple engagement grooves 281 corresponding to multiple pillars 222, and multiple engagement grooves 281 are located at barrier structure 28 Lower surface on.Switching module 22 is located at the lower section of button cap 23 and is connected to multiple barrier structures 28, can be relative to support plate 21 move along the second axial direction D2, to drive multiple barrier structures 28 mobile.In switching module 22, sliding panel 221 is located at support plate 21 lower section, and can be moved relative to support plate 21 along the second axial direction D2, and sliding panel 221 has multiple sliding rails 2211. One pillar 222 corresponds to a sliding rail 2211 and a barrier structure 28, and pillar 222 protrudes into corresponding sliding rail It can be pushed against in road 2211 and by sliding panel 221, thus can drive corresponding barrier structure 28 relative to support plate 21 along third Axial D3 is mobile.Wherein, pillar 222 protrudes into corresponding engagement groove 281 and combines pillar 222 and barrier structure 28.

By Fig. 5 and Fig. 6 it is found that the multiple pillars 222 connecting with barrier structure 28 are each passed through the second connection aperture 271 And first connection aperture 213 and protrude into corresponding sliding rail 2211, thus can establish multiple barrier structures 28 and switching Connection between module 22.Therefore, switching module 22 can drive multiple barrier structures 22 mobile.

On the other hand, frame 24 is located at the top of support plate 21 and film switch circuit 27 and is surrounded on button cap 23, Frame 24 includes frame body 241, frame cover 242 and multiple holding tanks 243, and 241 surrounding key cap 23 of frame body accommodates Slot 243 is set on the inner sidewall of frame body 241, can accommodate corresponding barrier structure 28 in wherein.And frame cover 242 Covering framework ontology 241 and holding tank 243.In this preferred embodiment, frame body 241 and frame cover 242 are integrated Molding.

Specifically, the pillar 222 in this preferred embodiment is connected by assembling mode and barrier structure 28 It connects, only illustrates and be used, rather than as limit.In another preferred embodiment, pillar also can by paste or it is chimeric equal respectively It plants connection type and is connect with barrier structure.Or integrally formed mode can be used and be arranged, referring to Fig. 7, it is this hair The partial structurtes decomposition diagram at bright keyboard another visual angle in the second preferred embodiment.Fig. 7 shows that pillar 381 is set to resistance It keeps off on the lower surface of structure 38, and is integrally formed with barrier structure 38.

Next Fig. 5, Fig. 6 and Fig. 8 are please referred to, Fig. 8 is the switching module of keyboard of the present invention in the first preferred embodiment In be in first state partial structurtes upper schematic diagram.Fig. 8 shows that the switching module 22 of keyboard 2 of the present invention is in the first shape The structure of each element when state, switching module 22, which is in first state, indicates that keyboard 2 is in the running shape that button cap 23 can be touched State, at this point, pillar 222 is located at the first position P1 in sliding rail 2211, and multiple barrier structures 28 be incorporated in it is corresponding Holding tank 243 in.

When switching module 22 is in first state, and user's force presses button cap 23,23 stress of button cap and edge First axis D1 moves down, and scissor connecting element 25 is driven to swing.Next, button cap 23 can push against elastic element 26 And enable elastic element 26 deformation occurs, and elastic element 26 presses film switch circuit 27, to trigger in film switch circuit 27 Press-button contact (not shown in the figures) so that film switch circuit 27 exports corresponding push button signalling.And when user stops When only pressing button cap 23, the no longer stress of button cap 23 and stop pressing elastic element 26 so that elastic element 26 is according to its bullet Property and restore to the original state, while reversed elastic restoring force being provided and gives button cap 23.At this point, along first axis D1 up move by Keycap 23 drives scissor connecting element 25 to swing, and button cap 23 is able to the position restored to before being touched.

In this preferred embodiment, keyboard 2 of the present invention is the reset means mobile using elastic element 26 as button cap 23, But the present invention is not limited thereto.In another preferred embodiment, settable two magnetic elements, a magnetism in press-key structure Element is set on button cap, another magnetic element then may be disposed on support plate or film switch circuit, when button cap quilt When pressing, two magnetic elements are close and generate the magnetic force of mutual exclusion, and button cap is enable up to move and reset.Wherein, this It must be provided with a protruding portion on the inner surface of the button cap of the practice, be used with triggering film switch circuit.

When the external form variation of laptop 200 will be illustrated next and being changed to control mode touch mode, keyboard 2 of the present invention is carried out Running.Please refer to Fig. 4, Fig. 5, Fig. 6, Fig. 8, Fig. 9 and Figure 10, Fig. 9 be keyboard of the present invention and laptop in The structural profile schematic side view to deform in first preferred embodiment, and Figure 10 is the switching module of keyboard of the present invention in the The partial structurtes upper schematic diagram of the second state is in one preferred embodiment.Firstly, Fig. 4 shows interlinked mechanism 204 and cuts The sliding panel 221 for changing the mold block 22 connects, and interlock the rwo can mutually.When user is intended to laptop 200 being changed to Fig. 3 Shown in control mode touch mode when, user can turn down upper cover 202 toward counterclockwise overturn, make upper cover 202 overturning to pedestal 201 Bottom contact state, as shown in Figure 9.In upper cover 202 toward counter clockwise direction overturn during, rotation axis 203 rotation and Interlinked mechanism 204 is pushed against, interlinked mechanism 204 is made to push sliding panel 221 along the second axial direction D2.Therefore, it can be able in sliding panel 221 It is moved relative to support plate 21 along the second axial direction D2.

During sliding panel 221 is moved along the second axial direction D2, sliding panel 221 is mobile and pushes against and is located at multiple sliding rails Multiple pillars 222 in road 2211 make pillar 222 be moved into sliding rail by the first position P1 in sliding rail 2211 Second position P2 in 2211, and multiple pillars 222 that multiple barrier structures 28 are connected drive, so that multiple barrier structures 28 in multiple holding tanks 243 by being detached from, and moves relative to support plate 21 along third axial direction D3.Therefore multiple barrier structures 28 can quilt It is moved to the lower section of the outer rim 231 of button cap 23, to stop button cap 23 to move along first axis D1.At this point, laptop 200 are in control mode touch mode, and switching module 22 is in the second state, and multiple barrier structures 28 are located at the outer rim 231 of button cap 23 Lower section, as shown in Figure 10.

The switching module 22 of keyboard 2 operates through the invention, to forbid button cap 23 to move along first axis D1.Change speech It, when laptop 200 is in control mode touch mode, button cap 23 can be stopped by multiple barrier structures 28 and can not decline, i.e., User is set to press button cap 23, button cap 23 will not also move down, and malfunction to avoid because accidentally touching.

And when laptop 200 is returned back to keyboard operating mode by user, interlinked mechanism 204 is according to rotation axis 203 rotation and push sliding panel 221 toward direction contrary to the above, enable sliding panel 221 relative to support plate 21 along the Two axial direction D2 are mobile.When sliding panel 221 is moved along the second axial direction D2, according to the movement of sliding panel 221, pillar 222 is by sliding Second position P2 in track 2211 is moved into first position P1, and multiple barrier structures 28 are driven by multiple pillars 222, make It obtains multiple barrier structures 28 to move and be incorporated in multiple holding tanks 243 along third axial direction D3, as shown in Figure 8.

In addition, the present invention also provides from the third preferred embodiment of the above-mentioned different practices.Please refer to Figure 11, Figure 12 with And Figure 13, Figure 11 are partial structurtes decomposition diagram of the keyboard of the present invention in third preferred embodiment, Figure 12 is key of the present invention The switching module of disk is in the partial structurtes upper schematic diagram of first state in third preferred embodiment, and Figure 13 is the present invention The switching module of keyboard is in the partial structurtes upper schematic diagram of the second state in third preferred embodiment.Keyboard 4 of the present invention Including support plate 41, switching module 42, multiple button caps 43, frame 44, multiple scissor connecting elements 45, multiple elastic elements (not shown in the figures), film switch circuit 47, the first barrier structure 48 and the second barrier structure 49, and switching module 42 connects It is connected to the interlinked mechanism (not shown in the figures) of laptop (not shown in the figures).Support plate 41 includes that multiple support plates are opened Hole 411, multiple support plate hooks 412 and multiple first connection apertures 413, and film switch circuit 47 has multiple second to connect Connect aperture 471.First barrier structure 48 is set between support plate 41 and button cap 43, and close to outside the first of button cap 43 Edge 431, and the second barrier structure 49 is set between support plate 41 and button cap 43, and close to the second outer rim of button cap 43 432.The structure and function of each element of the keyboard 4 of this preferred embodiment are generally identical as aforementioned preferred embodiment, and phase It is repeated no more with place, and the difference between the rwo has two, first, the structure of switching module 42 is different.Second, frame 44 structure is different.

Illustrate the structure of switching module 42 first.Switching module 42 include the first sliding panel 421, the second sliding panel 422 with And multiple gears 423.First sliding panel 421 is set to the top of film switch circuit 47 and is located at the first side of button cap 423, It is connected to the first barrier structure 48 and can move relative to support plate 41 along the second axial direction D2, and the first sliding panel 421 is with more A first rack gear 4211.Similarly, the second sliding panel 422 is located at second side of button cap 423 and is connected to the second barrier structure 49, the second sliding panel 422 can be moved relative to support plate 41 along the second axial direction D2, and the second sliding panel 422 has multiple second Rack gear 4221.Multiple gears 423 are between the first sliding panel 421 and the second sliding panel 422 and respectively with corresponding first Rack gear 4211 and the engagement of the second rack gear 4221.Wherein, each gear 423 has a fixing axle 4231, and fixing axle 4231 is distinguished It is fixed in film switch circuit 47 and support plate 41 across the second connection aperture 471 and the first connection aperture 413.

Specifically, its in the first sliding panel 421 and the second sliding panel 422 is only needed in switching module 42 In an interlinked mechanism for being connected to laptop, when interlinked mechanism operates, the first sliding panel 421 then can be along the second axis It is mobile to D2, according to the engagement of multiple gears 423, the first rack gear 4211 and the second rack gear 4221, make the second sliding panel 422 can Along the second axial direction D2 but the direction opposite with the first sliding panel 421 is moved.Conversely, the second sliding panel also can be used in keyboard of the present invention The structure being connect with interlinked mechanism.

The structure of frame 44 will be illustrated next.Frame 44 is located at top and the ring of support plate 41 and film switch circuit 47 It is around in button cap 43, frame 44 includes frame body 441 and frame cover 442,441 surrounding key cap 43 of frame body, and frame The frame body 241 of the aforementioned preferred embodiment of the volume ratio of frame ontology 441 it is small in size.And 442 covering framework ontology of frame cover 441 and accommodation space can be formed between frame body 441, to accommodate the first sliding panel 421, the second sliding panel 422, Duo Gechi Take turns the 423, first barrier structure 48 and the second barrier structure 49.In this preferred embodiment, frame body 241 is and frame cover 242 with the connection of various combinations.Wherein, design framework ontology 241 of the present invention be can be isolated with frame cover 242 structure, The advantage is that being convenient for multiple button caps 43, frame 44, multiple scissor connecting elements 45, multiple elastic elements, the first cunning The assembling of movable plate 421, the second sliding panel 422 and multiple gears 423.

Figure 11 shows that the switching module 42 of keyboard 4 of the present invention is in the structure of each element when first state, switching module 42 indicate that keyboard 4 is the operating state that can be touched in button cap 43 in first state, that is to say, that button cap 43 can quilt It presses and is moved relative to support plate 41 along first axis D1.At this point, the first sliding panel 421 is located at first position P1, and second Sliding panel 422 is located at second position P2, and the first barrier structure 48 is made to be located proximate to the position of the first outer rim 431 of button cap 43 It sets, and the second barrier structure 49 is then located proximate to the position of the second outer rim 432 of button cap 43.

In Figure 11, Figure 12 and Figure 13, after laptop is changed to control mode touch mode by user, user can lead to It crosses interlinked mechanism and the first sliding panel 421 is enabled to move relative to support plate 41 along the second axial direction D2, according to multiple gears 423, The structure of one rack gear 4211 and the second rack gear 4221, make the second sliding panel 422 can along the second axial direction D2 but with the first sliding panel 421 opposite directions are mobile.When the first sliding panel 421 is moved to the third place P3, and the second sliding panel 422 by first position P1 When being moved to the 4th position P4 by second position P2, the first barrier structure 48 is driven by the first sliding panel 421 and is moved to key The lower section of first outer rim 431 of cap 43, and the second barrier structure 49 is driven by the second sliding panel 422 and is moved to button cap 43 The lower section of second outer rim 432, to stop button cap 43 to move along first axis D1.At this point, laptop is in control mode touch mode, And switching module 42 is in the second state, as shown in figure 13.Thus, it can be known that keyboard 4 of the present invention can pass through the fortune of switching module 42 Make mobile first barrier structure 48 and the second barrier structure 49, to stop button cap 43.

And when laptop is returned back to keyboard operating mode by user, the first sliding can be enabled by interlinked mechanism Plate 421 is mobile toward direction contrary to the above, and the second sliding panel 422 is also mobile toward opposite direction therewith.So that first is sliding Movable plate 421 returns to first position P1, and the second sliding panel 422 also returns to second position P2, returns to the first barrier structure 48 and connects It is bordering on the position of the first outer rim 431 of button cap 43, and the second barrier structure 4 is also returned to close to button cap 43

As described above, keyboard structure of the present invention passes through the mobile shifting to control barrier structure of sliding panel in switching module It is dynamic, it is the mode that can be pressed or can not press with switching key cap.Therefore, it can be kept away when laptop is in control mode touch mode Exempt from user's touch of key-press by accident cap, and malfunctions.In a preferable practice, it can be controlled at laptop in a manner of software When control mode touch mode, end the function of film switch circuit, is triggered with further avoiding film switch circuit by any object, and It causes accidentally to touch.Compared with well-known technique, keyboard of the present invention can solve the problems, such as it really, and its structure is simple, and easily operated.

The foregoing is merely presently preferred embodiments of the present invention, the claim being not intended to limit the invention, thus it is all its It is intended to be limited solely by claim of the invention without departing from the lower equivalent change or modification completed of spirit disclosed in this invention It is interior.

Claims (10)

1. a kind of keyboard, comprising:

One support plate；

One button cap positioned at the top of the support plate, and can be moved relative to the support plate along a first axis；

One barrier structure is set between the support plate and the button cap, and close to an outer rim of the button cap；And

One switching module, positioned at the button cap lower section and be connected to the barrier structure, can be relative to the support plate along one second Axial movement, to drive the barrier structure mobile；Wherein, when the switching module is in a first state, which is connect It is bordering on the outer rim of the button cap, and when the switching module is in second state, which is moved into the key The lower section of the outer rim of cap, to stop the button cap to move along the first axis.

2. keyboard as described in claim 1, wherein the switching module includes:

One sliding panel, positioned at the lower section of the support plate, and can be relative to the support plate along second axial movement, sliding panel tool There is a sliding rail；And

One pillar is protruded into the sliding rail and can be pushed against by the sliding panel, and drives the barrier structure relative to the support plate It is moved axially along a third；Wherein, when the switching module is in the first state, which is located at one in the sliding rail First position, the button cap can be touched and move relative to the support plate along the first axis；And when the switching module is in When second state, the sliding panel is mobile and pushes against the pillar, the second for being moved into the pillar in the sliding rail Set, which is driven and is moved to the lower section of the outer rim of the button cap by the pillar, with stop the button cap along this One axial movement.

3. keyboard as claimed in claim 2, wherein the barrier structure includes an engagement groove, once positioned at the barrier structure On surface, the pillar is made to protrude into the engagement groove and combine the pillar and the barrier structure.

4. keyboard as claimed in claim 2, wherein the pillar is set on a lower surface of the barrier structure, and with the resistance Keep off structural integrity molding.

5. keyboard as claimed in claim 5, further includes:

One film switch circuit is set in the support plate, is exported to the movement according to the button cap corresponding to the key One push button signalling of cap；

One scissor connecting element is connected to the button cap and the support plate, to fix the button cap in the support plate Top；And

One elastic element is set between the button cap and the film switch circuit, is triggered to be pushed against by the button cap The film switch circuit；Wherein, when the button cap is no longer touched, which provides an elastic force and gives the button cap, Make the button cap that scissor connecting element be driven to swing.

6. keyboard as claimed in claim 5, wherein the support plate has one first connection aperture, and the film switch circuit With one second connection aperture, and the pillar sequentially passes through the second connection aperture and the first connection aperture and protrudes into the cunning In dynamic rail road.

7. keyboard as described in claim 1 further includes an another barrier structure, be set to the support plate and the button cap it Between, and close to an another outer rim of the button cap, wherein the switching module includes:

One first sliding panel, positioned at the button cap one first side and be connected to the barrier structure, which can be opposite In the support plate along second axial movement, which has one first rack gear；

One second sliding panel, positioned at the button cap a second side and be connected to another barrier structure, which can Relative to the support plate along second axial movement, which has one second rack gear；And

One gear, between first sliding panel and second sliding panel and respectively with first rack gear and second rack gear Engagement.

8. keyboard as claimed in claim 7, wherein when the switching module is in the first state, the first sliding panel position In a first position, and second sliding panel is located at a second position, which can be touched and relative to the support plate edge The first axis is mobile；And works as first sliding panel and be moved to a third place, and second sliding panel is moved to one the 4th When setting, which is driven and is moved to the lower section of the outer rim of the button cap, and another blocking by first sliding panel Structure is driven by second sliding panel and is moved to the lower section of another outer rim of the button cap, with stop the button cap along this One axial movement.

9. keyboard as described in claim 1 further includes a frame, positioned at the support plate top and be surrounded on the button cap, The frame has a holding tank, to accommodate the barrier structure in wherein；Wherein, when which is in the first state, The barrier structure is incorporated in the holding tank；And the switching module, when being in second state, the barrier structure is by the switching Module drives and is detached from the holding tank, and is moved to the lower section of the outer rim of the button cap.

10. keyboard as claimed in claim 9, wherein the frame further include:

One frame body, around the button cap, and the holding tank is set on an inner sidewall of the frame body；And

One frame cover covers the frame body and the holding tank.