Press-key structure

文档序号:1743588 发布日期:2019-11-26 浏览:25次 中文

阅读说明:本技术 按键结构 (Press-key structure ) 是由 郑祥文 简立仁 蔡胜安 凌郁婷 徐百平 于 2018-05-18 设计创作,主要内容包括:本发明提供一种按键结构,包括按键帽、触发元件、具有凸块部的剪刀式连接元件、开关电路板、支撑板以及弹片结构。弹片结构被固定于支撑板上且接近于凸块部。当按键帽被触压时,剪刀式连接元件作动使按键帽移动而推抵触发元件,且触发元件触发薄膜开关电路。另一方面,凸块部随着按键帽移动而推抵弹片结构,使弹片结构撞击支撑板,以产生声响。(The present invention provides a kind of press-key structure, including button cap, trigger element, with scissor connecting element, switching circuit board, support plate and the elastic piece structure in convex block portion.Elastic piece structure is fixed in support plate and close to convex block portion.When button cap is touched, scissor connecting element actuation keeps button cap mobile and pushes against trigger element, and trigger element triggers film switch circuit.On the other hand, convex block portion pushes against elastic piece structure as button cap is mobile, so that elastic piece structure is hit support plate, to generate the sound.)

1. a kind of press-key structure, comprising:

One button cap;

One scissor connecting element is connected to the button cap, and the scissor connecting element has a convex block portion;

One elastic piece structure, positioned at the button cap lower section and close to the convex block portion, to be swung in the scissor connecting element When supported and swung by the convex block portion;And

One support plate is set to the lower section of the button cap and is connected to the scissor connecting element, which includes:

One aperture runs through the support plate, to the accommodating portion elastic piece structure in wherein;And

One contact wall is extended by a upper surface of the support plate and is formed;Wherein, when the button cap is touched, this is scissor Connecting element is swung as the button cap is mobile, so that the convex block portion is pushed against the elastic piece structure, and the elastic piece structure swings and hits The contact wall is hit, to generate the sound.

2. press-key structure as described in claim 1, wherein the scissor connecting element includes:

One first frame, is connected to the button cap;Wherein, which is set in the one side wall of first frame;And

One second frame is connected to first frame and the button cap, and can be relative to first frame stroke;Its In, the convex block portion and first frame are integrally formed.

3. press-key structure as described in claim 1, wherein the elastic piece structure includes:

One ontology;

One Extendible flake is connected to the ontology, and can be relative to the body oscillatory;

One contact flat spring is connected to the Extendible flake, and the Extendible flake can be driven relative to the body oscillatory, to by the convex block portion It pushes against and the Extendible flake is driven to swing, and hit the contact wall, to generate the sound;And

One holding section is set on the ontology, fixes the elastic piece structure in the support plate to protrude into the aperture.

4. press-key structure as claimed in claim 3, wherein the ontology, the Extendible flake, the contact flat spring and the holding section are With made by metal material, and it is integrally formed with the elastic piece structure.

5. press-key structure as claimed in claim 3, wherein when the button cap is touched, the button cap is relative to the support Plate is mobile and pushes against the scissor connecting element, keeps the convex block portion mobile and pushes against the contact flat spring, which drives should Extendible flake swings and hits the contact wall, to generate the sound.

6. press-key structure as claimed in claim 3, wherein the support plate further includes a stopper section, by the support plate this on Surface extends and is formed, and is located at the side of the aperture, to contact with the holding section protruded into the aperture, and avoids the bullet Chip architecture is separated with the support plate.

7. press-key structure as claimed in claim 6, wherein the contact wall and the stopper section be with made by plastic material, And it is integrally formed with the support plate.

8. press-key structure as described in claim 1, further includes:

One switching circuit board is set in the support plate, is exported to the movement according to the button cap corresponding to the button cap A push button signalling;And

One trigger element is set between the button cap and the switching circuit board, triggers this to be pushed against by the button cap Switching circuit board.

9. press-key structure as claimed in claim 8, wherein when the button cap is touched, the button cap is relative to the support Plate is mobile and pushes against the trigger element, and making the trigger element, deformation occurs and triggers the switching circuit board, and the switching circuit board Export the push button signalling;And when the button cap is no longer touched, which is restored by deformation and is provided an elasticity and restore Power is moved to the position before not pressing to push against the button cap.

10. press-key structure as claimed in claim 9, wherein when the button cap is no longer touched, the button cap is relative to the branch Fagging is mobile and drives the scissor connecting element mobile, keeps the convex block portion mobile and pushes against the elastic piece structure again, and the bullet Chip architecture swings and hits the contact wall, to generate the sound.

Technical field

The present invention relates to a kind of press-key structures, more particularly to utilize the press-key structure of scissor connecting element.

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.

The framework of the press-key structure in the keyboard for including scissor connecting element will be illustrated next.Referring to Fig. 1, it is The diagrammatic cross-sectional side elevation of known press-key structure.Known press-key structure 1 includes button cap 11, scissor connecting element 12, elasticity Rubber bodies 13, film switch circuit 14 and bottom plate 15, and bottom plate 15 is to carry the second button cap 11, scissor connecting element 12, elastic rubbery body 13 and film switch circuit 14.Wherein scissor connecting element 12 is to connecting bottom board 15 and key Cap 11.

Film switch circuit 14 has multiple press-button contacts (not shown in the figures).Press-button contact output when being triggered Corresponding push button signalling.Elastic rubbery body 13 is set on film switch circuit 14 and an elastic rubbery body 13 corresponds to one A press-button contact, when elastic rubbery body 13 is touched, deformation occurs and presses in film switch circuit 14 for elastic rubbery body 13 Corresponding press-button contact and generate push button signalling.

Scissor connecting element 12 is between bottom plate 15 and button cap 11 and is separately connected the two.Scissor connection member Part 12 includes the first frame 121 and the second frame 122.The first end of first frame 121 is connected to button cap 11, and the first frame The second end of frame 121 is then connected to bottom plate 15.Elastic rubbery body 13 is surround by scissor connecting element 12.In addition, the first frame 121 include the first button cap jack-post 1211 and the first bottom plate jack-post 1212.First frame 121 passes through the first button cap jack-post 1211 and be connected to button cap 11, and be connected to bottom plate 15 using the first bottom plate jack-post 1212.And the second frame 122 and first Frame 121 combines, and the first end of the second frame 122 is connected to bottom plate 15, and the second end of the second frame 122 is then connected to key Cap 11.Wherein, the second frame 122 includes the second button cap jack-post 1221 and the second bottom plate jack-post 1222.Second frame 122 is logical It crosses its second button cap jack-post 1221 and is connected to button cap 11, and be connected to bottom plate 15 using the second bottom plate jack-post 1222.

The operation situation that known press-key structure 1 is pressed by user will be illustrated next.In Fig. 1, when user presses key When cap 11,11 stress of button cap and pushing against scissor connecting element 12 makes its movement, therefore button cap 11 can be past relative to bottom plate 15 Lower movement and press corresponding elastic rubbery body 13.At this point, deformation occurs and presses film switch circuit for elastic rubbery body 13 14 to trigger the press-button contact of film switch circuit 14, so that film switch circuit 14 exports corresponding push button signalling.And work as User stops when pressing button cap 11, the no longer stress of button cap 11 and stop pressing elastic rubbery body 13 so that elastic rubber Body 13 restores to the original state according to its elasticity, while providing elastic restoring force up, therefore button cap 11 is pushed back touched Position before.

Other than scissor keyboard above-mentioned, known further includes the keyboard with mechanical key structure.Please refer to figure 2, it is the structural blast schematic diagram of known mechanical key structure.Known mechanical key structure 2 includes button cap 21, scissors Formula connecting element 22, mechanical trigger switch 23, circuit board 24 and bottom plate 25, and bottom plate 25 can pass through scissor connecting element 22 and be connected to button cap 21.Circuit board 24 is set to the lower section of bottom plate 25, can carry trigger element 23 and and trigger element 23 are electrically connected, and trigger element 23 passes through bottom plate 25 and scissor connecting element 22 and contacts with button cap 21.It is above-mentioned each After element combines, each element of press-key structure 2 is sequentially button cap 21, scissor connecting element 22, bottom plate 25 from top to bottom And circuit board 24, and trigger element 23 is set between button cap 21 and circuit board 24.Wherein, known mechanical key structure 2 replace elastic rubbery body 13 and film switch circuit 14 with mechanical trigger switch 23.

Since the sound of collision can be issued when mechanical trigger switch 23 is triggered by button cap 21, it is true user can be given The feedback sense pressed in fact, therefore mechanical trigger switch 23 is liked by certain users.It is well known, however, that mechanical key structure It must be provided with the thickness circuit board 24 thicker than film switch circuit 14 in 2, mechanical trigger switch 23 is just operated.Except this it Outside, thickness of the thickness of mechanical trigger switch 23 also greater than elastic rubbery body 13, therefore the thickness of known mechanical key structure 2 It can be bigger than the thickness of known press-key structure 1.In addition, since the inside of mechanical trigger switch 23 includes metal material and modeling Glue material, when pressing button cap 21, internal metal material and plastic material collision, so that known mechanical key knot Structure 2 can give user it is stiff press feel.

Feedback sense can be given therefore, it is necessary to one kind and has both the good press-key structure for pressing feel.

Summary of the invention

The first object of the present invention is to provide a kind of press-key structure that can give feedback sense.

The second object of the present invention is to provide a kind of press-key structure that can be given and well press feel.

The third object of the present invention is to provide a kind of press-key structure that thickness is more frivolous.

In a preferred embodiment, the present invention provides a kind of press-key structure, including a button cap, a scissor connection member Part, an elastic piece structure and a support plate.The scissor connecting element is connected to the button cap, and the scissor connecting element tool There is a convex block portion.The elastic piece structure is located at the lower section of the button cap and close to the convex block portion, in the scissor connection member Part is supported and swung by the convex block portion when swinging.The support plate is set to the lower section of the button cap and is connected to the scissor connection Element, the support plate include an aperture and a contact wall.The aperture runs through the support plate, to the accommodating portion elastic piece structure In wherein, which is extended by a upper surface of the support plate and is formed;Wherein, when the button cap is touched, the scissors Formula connecting element is swung as the button cap is mobile, and the convex block portion is made to push against the elastic piece structure, and elastic piece structure swing and The contact wall is hit, to generate the sound.

In a preferred embodiment, which includes one first frame and one second frame, and this is convex Block portion is set in the one side wall of first frame;Wherein, the convex block portion and first frame are integrally formed.

In a preferred embodiment, which includes an ontology, an Extendible flake, a contact flat spring and an engaging Portion.The Extendible flake is connected to the ontology, and can be relative to the body oscillatory.The contact flat spring is connected to the Extendible flake, and can band Move the Extendible flake drives the Extendible flake to swing relative to the body oscillatory to be pushed against by the convex block portion, and hits the contact Wall, to generate the sound.The holding section is set on the ontology, fixes the elastic piece structure in the support plate to protrude into the aperture On.

In a preferred embodiment, which further includes a stopper section, is extended and shape by the upper surface of the support plate At, and it is located at the side of the aperture, to contact with the holding section protruded into the aperture, and avoid the elastic piece structure and the branch Fagging separation.

In short, press-key structure of the present invention uses actuation element of traditional scissor connecting element as button cap, and It uses and film switch circuit is triggered with trigger element made by flexible material, therefore can provide that user is good to press feel. Simultaneously as the thickness of trigger element and film switch circuit is less than the mechanical trigger switch of known mechanical key structure Thickness, therefore, the thickness of press-key structure of the present invention it is smaller and have more frivolous external form.In addition, in press-key structure of the present invention In setting convex block portion in scissor connecting element, and in fixation spring tab structure in support plate.When user presses button cap, Convex block portion can push against elastic piece structure, and elastic piece structure is made to hit the contact wall in support plate, to issue similar known mechanical key Structure presses the sound, therefore can provide the feedback sense that user presses really.

Detailed description of the invention

Fig. 1 is the diagrammatic cross-sectional side elevation of known press-key structure.

Fig. 2 is the structural blast schematic diagram of known mechanical key structure.

Fig. 3 is structural decomposition diagram of the press-key structure of the present invention in a preferred embodiment.

Fig. 4 is the partial structural diagram at press-key structure of the present invention another visual angle in a preferred embodiment.

Fig. 5 shows for the structural profile that the support plate and elastic piece structure of press-key structure of the present invention combine in a preferred embodiment It is intended to.

Fig. 6 is structural profile schematic side view of the press-key structure of the present invention in a preferred embodiment.

Fig. 7 is the structural profile schematic side view that press-key structure of the present invention is touched in a preferred embodiment.

Appended drawing reference is as follows:

1,3 press-key structure

2 mechanical key structures

11,21,31 button cap

12,22,32 scissor connecting element

13 elastic rubbery bodies

14 film switch circuits

15,25 bottom plate

23 mechanical trigger switch

24 circuit boards

33 trigger elements

34 switching circuit boards

35 support plates

36 elastic piece structures

121,321 first frame

122,322 second frame

351 apertures

352 contact walls

353 stopper sections

354 bottom plate hooks

The upper surface of 355 support plates

361 ontologies

362 Extendible flakes

363 contact flat springs

364 holding sections

1211 first button cap jack-posts

1212 first bottom plate jack-posts

1221 second button cap jack-posts

1222 second bottom plate jack-posts

3211 convex block portions

The side wall of 3212 first frames

Specific embodiment

The present invention provide it is a kind of can give user's feedback sense and and well press the press-key structure of feel, and can maintain Frivolous external form, to solve the problems, such as well-known technique.Please refer to Fig. 3 and Fig. 4, Fig. 3 is that press-key structure of the present invention is preferable in one Structural decomposition diagram in embodiment, and Fig. 4 is the part at press-key structure of the present invention another visual angle in a preferred embodiment Structural schematic diagram.Press-key structure 3 includes button cap 31, scissor connecting element 32, trigger element 33, switching circuit board 34, branch Fagging 35 and elastic piece structure 36, and scissor connecting element 32 is connected to button cap 31 and support plate 35, can be according to pressing The movement of keycap 31 and operate therewith.Scissor connecting element 32 includes the first frame 321 and the second frame 322, the first frame Frame 321 is connected to button cap 31, and the first frame 321 has convex block portion 3211, and convex block portion 3211 is set to the first frame 321 Side wall 3212 on.Second frame 322 is connected to the first frame 321 and button cap 31, and can be relative to the first frame 321 swing.Button cap 31 include multiple hooks (not shown in the figures), can respectively with the first frame 321 and the second frame 322 connections.

In this preferred embodiment, convex block portion 3211 and the first frame 321 are integrally formed, and the first frame 321 is with plastic cement Made by material, only illustrates and be used, rather than as limit, in another preferred embodiment, convex block portion can also the side of hot melt Formula or any combination and be set on the side wall of the first frame, and the material in convex block portion and non-limiting with plastic material system At.

In Fig. 3 and Fig. 4, switching circuit board 34 is set in support plate 35, and function is the movement according to button cap 31 And export the push button signalling for corresponding to button cap 31.And trigger element 33 be set to button cap 31 and switching circuit board 34 it Between, it can be pushed against and trigger switch circuit board 34 by mobile button cap 31.In this preferred embodiment, trigger element 33 is bullet Property rubber bodies, and film switch circuit can be used in switching circuit board 34.

Please refer to Fig. 3, Fig. 4 and Fig. 5, Fig. 5 be press-key structure of the present invention support plate and elastic piece structure in one compared with The structural profile illustration combined in good embodiment.Elastic piece structure 36 is located at the lower section of button cap 31 and close to convex block portion 3211, it can be supported and swing by convex block portion 3211 when scissor connecting element 32 is swung.Support plate 35 is set to button cap 31 lower section and it is connected to scissor connecting element 32, support plate 35 includes multiple apertures 351, contact wall 352, multiple stopper sections 353 and multiple bottom plate hooks 354.Multiple apertures 351 extend through support plate 35, with accommodating portion elastic piece structure 36 in it In, and contact wall 352 is to be extended by the upper surface 355 of support plate 35 and formed.Multiple stopper sections 353 are also by the upper of support plate 35 Surface 355 extends and is formed, and each stopper section 353 corresponds to an aperture 351, and stopper section 353 is located at corresponding aperture 351 side.The function of multiple bottom plate hooks 354 is to connect respectively with the first frame 321 and the second frame 322.In this compared with In good embodiment, contact wall 352, multiple stopper sections 353 and multiple bottom plate hooks 35 be with made by plastic material, and with branch Fagging 35 is integrally formed.

In Fig. 3, Fig. 4 and Fig. 5, elastic piece structure 36 includes ontology 361, Extendible flake 362, contact flat spring 363 and multiple Holding section 364.Extendible flake 362 is connected to ontology 361, and can swing relative to ontology 361.Contact flat spring 363 is connected to extension Piece 362 and can drive Extendible flake 362 relative to ontology 361 swing, can in by convex block portion 3211 push against when drive Extendible flake 362 It swings, and hits the contact wall 352 of support plate 35, to generate the sound.Multiple holding sections 364 are set on ontology 361 and by these The lower section of body 361 extends outward, function be protrude into corresponding aperture 351 and fixation spring tab structure 35 in support plate 35 On.

In this preferred embodiment, ontology 361, Extendible flake 362, contact flat spring 363 and multiple holding sections 364 are with gold Belong to made by material, and is integrally formed with elastic piece structure 36.

Wherein, the part-structure of Extendible flake 362 is bending design, to promote the metallic elastic of elastic piece structure 36.Another party Face, the part-structure of contact flat spring 363 is also bending design, therefore can promote the metallic elastic of elastic piece structure 36.And elastic piece structure 36 are fixed in situation in support plate 35 then as shown in figure 5, as seen from Figure 5, multiple holding sections 364 are respectively protruding into corresponding Aperture 351 in, and contacted with corresponding stopper section 353, with fixation spring tab structure 35 in support plate 35.It can keep away as a result, Exempt from elastic piece structure 36 to separate with support plate 35.

Referring to Fig. 6, it is structural profile schematic side view of the press-key structure of the present invention in a preferred embodiment.Fig. 6 The structure after each element combines is shown, it will be appreciated from fig. 6 that each element of press-key structure 3 is sequentially button cap 31, cuts from top to bottom Blade connecting element 32, switching circuit board 34 and support plate 35.Trigger element 33 is arranged at button cap 31 and switching circuit Between plate 34, and it is surround by scissor connecting element 32, and elastic piece structure 36 is fixed in multiple apertures 351 of support plate 35 And pass through switching circuit board 34.Wherein, the contact flat spring 363 of elastic piece structure 36 is close to the convex block portion 3211 of the first frame 321.

The operation situation of each element when press-key structure 3 of the present invention is pressed by user will be illustrated next.Please refer to Fig. 6 And Fig. 7, Fig. 7 are the structural profile schematic side view that press-key structure of the present invention is touched in a preferred embodiment.Work as use When person presses button cap 31,31 stress of button cap and push against scissor connecting element 32 down, make its actuation, that is to say, that One frame 321 and the second frame 322 are changed to closed state by folding condition, and button cap 31 can be relative to support plate 35 It moves down and presses trigger element 33.At this point, deformation occurs and touch-pressure switch circuit board 34 is with trigger switch for trigger element 33 Press-button contact (not shown in the figures) in circuit board 34, so that switching circuit board 34 exports corresponding push button signalling.In pressing During keycap 31 moves down, the first frame 321 is swung, and convex block portion 3211 is made to push against elastic piece structure therewith moving down 36 contact flat spring 363, contact flat spring 363 drive Extendible flake 362 to swing.When Extendible flake 362 is sprung back, 363 meeting of contact flat spring The contact wall 352 of support plate 35 is hit, to generate the sound.

When user stop press button cap 31 when, the no longer stress of button cap 31 and stop pressing trigger element 33 so that Trigger element 33 is restored to the original state according to its elasticity by deformed state, while providing elastic restoring force up, button cap 31 because This and be pushed back the position before not pressing, at this point, the convex block portion 3211 on the first frame 321 up moves and pushes against again and connects Elastic slice 363 is touched, makes contact flat spring 363 that Extendible flake 362 be driven to swing again.When Extendible flake 362 is sprung back, 363 meeting of contact flat spring The contact wall 352 of support plate 35 is hit, to generate the sound again.Later, scissor connecting element 32 is also restored to folding condition.

As described above, press-key structure of the present invention is to use traditional scissor connecting element as the actuation of button cap Element, and use and film switch circuit is triggered with trigger element made by flexible material (such as rubber), therefore can provide use Person is good to press feel.Simultaneously as the thickness of trigger element and film switch circuit is less than known mechanical key knot The thickness of the mechanical trigger switch of structure, therefore, the thickness of press-key structure of the present invention is smaller and has more frivolous external form.

In addition, in press-key structure of the present invention in scissor connecting element be arranged convex block portion, and in fixation spring tab structure in In support plate.When user presses button cap, convex block portion can push against elastic piece structure, and elastic piece structure is made to hit connecing in support plate Wall is touched, the sound is pressed similar to known mechanical key structure to issue, therefore can provide the feedback sense that user presses really.Its In, convex block portion is set on the first frame of scissor connecting element, and convex block portion will not influence when press-key structure is touched Running, therefore the scissor connecting element with convex block portion can be shared with traditional scissor connecting element.

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.

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