CN107464711B

CN107464711B - Button assembly and mechanical keyboard

Info

Publication number: CN107464711B
Application number: CN201610387988.0A
Authority: CN
Inventors: 毛黛娟; 宁广博
Original assignee: Giga Byte Technology Co Ltd
Current assignee: Giga Byte Technology Co Ltd
Priority date: 2016-06-06
Filing date: 2016-06-06
Publication date: 2019-01-29
Anticipated expiration: 2036-06-06
Also published as: CN107464711A

Abstract

The present invention discloses a kind of button assembly and mechanical keyboard, and button assembly includes a key switch and a keycap.Key switch includes a pedestal and a pressing piece.Pedestal has an opening, a cavity and one first recessing groove.The opposite end of cavity is respectively communicated in opening and the first recessing groove.Pressing piece is movably located at cavity and moves back and forth between a releasing position and a pressing position.Pressing piece includes an assembled portion and a guidance part.Guidance part protrudes from side of the assembled portion far from opening, and corresponding first recessing groove.Keycap set is loaded in assembled portion.When pressing piece is located at releasing position, the related guidance part of assembled portion is relatively distant from the first recessing groove.During pressing piece is moved to pressing position from releasing position, the relatively close pedestal of assembled portion and make an at least part of at least guidance part enter the first recessing groove.

Description

Button assembly and mechanical keyboard

Technical field

The present invention is about keyboard technique field, the button assembly of especially a kind of slimming and the machine with the button assembly Tool formula keyboard.

Background technique

With the development of science and technology miscellaneous electronic product, such as desktop computer, laptop have become people Life and upper indispensable one of the tool of work.In general, user needs using keyboard as the input unit of operation electronic device. Common keyboard is broadly divided into mechanical keyboard and thin film type keyboard on the market.But the two is through comparing, mechanical keyboard have compared with The advantages such as high durability, maintenance convenience and long service life, and it is bad that induction will not be led to the problem of because of long-time service.It is heavier It wants, mechanical keyboard has preferable striking feel, and the accuracy pressed is high, firmly gets liking for the majority of consumers.

The key switch 50 of the traditional type mechanical keyboard as shown in Fig. 6 A~Fig. 6 B, each key is opened in tradition machinery keyboard It closes 50 and generally includes the pedestal 52 from bottom to top set gradually, movable contact spring 53, static contact 54, spring 55, axes sleeve 56, axle center 57 And upper cover 58.Wherein pedestal 52 is connected together with upper cover 58, and it is whole to form key switch 50.Static contact 54 is fitted and fixed in pedestal In 52, the lower part of static contact 54 is equipped with pin, which is inserted into (not labeled) in the jack of wiring board 51.The correspondence of movable contact spring 53 is quiet Contact 54 is arranged, and the lower part of movable contact spring 53 also is provided with pin, which is inserted into the jack of wiring board 51, and backhauls along jack It is dynamic.Spring 55 is fixed in pedestal 52, and spring 55 upwardly extends the bottom surface for withstanding axes sleeve 56.Axes sleeve is run through in axle center 57 56, and extend to the two sides up and down of axes sleeve 56, the bottom in axle center 57 is equipped with inserted link, and the limit which is inserted on wiring board is inserted In hole, the top in axle center 57 is equipped with cross handle, and the inside face of keycap 59 is withstood on the top of the cross handle, presses keycap 59 move downward axle center 57, and movable contact spring 53 is driven to move, so as to turning circuit.

The key of tradition machinery formula keyboard, the overall thickness of key switch 50 and keycap 59, when not pressing about 25 Millimeter is about 21 millimeters (total kilometres are 4 millimeters) after pressing, because thickness of the key before or after pressing is blocked up, therefore tradition machinery The key of formula keyboard is unfavorable for current electronic device towards the development trend of slimming.Therefore, it is necessary to traditional mechanical key Disk is improved.

Summary of the invention

The invention reside in a kind of button assembly is provided, thus solve the problems, such as that traditional key total height is blocked up.

Button assembly disclosed by one embodiment of the invention includes a key switch and a keycap.Key switch includes one Pedestal and a pressing piece.Pedestal has an opening, a cavity and at least one first recessing groove.Cavity opposite end be respectively communicated in Opening and at least one first recessing groove.Pressing piece is movably located at cavity and can be between a releasing position and a pressing position It moves back and forth.Pressing piece includes an assembled portion and an at least guidance part.Guidance part protrudes from side of the assembled portion far from opening, and Corresponding at least one first recessing groove.Keycap set is loaded in assembled portion.When pressing piece is located at releasing position, assembled portion is related at least One guidance part is relatively distant from least one first recessing groove of pedestal.When pressing piece is moved to from releasing position the process of pressing position In, the relatively close pedestal of assembled portion and make an at least part of at least guidance part run through pedestal at least one first recessing groove.In In the embodiment, by opening up at least one first recessing groove on pedestal, so that pressing piece is in key press state, guiding Portion is able to through the first recessing groove, provides possibility to realize that whole key can reduce thickness.

In another embodiment, pressing piece also includes a guide posts, protrudes from side of the assembled portion with respect to keycap, and bottom A guide channel of connection cavity is then provided on seat, which corresponds to the guide posts.When pressing piece is located at pressing position, At least part of guide posts are located in guide channel.In the embodiment, guide posts are the guidance movements by guide channel, so as to It prevents the movement of guide posts from deviateing center, further prevents the unstable of key.

In another embodiment, key switch also includes an elastic component, is set between pedestal and assembled portion.Work as pressing When part is located at pressing position, assembled portion compression elastic piece and so that elastic component is accumulated elastic position.When pressing piece self-pressing position is moved During moving to releasing position, elastic component discharge elastic position can and by assembled portion bullet to releasing position.In being realized in one, assembling Portion has a groove, and positioned at assembled portion towards the side of pedestal, groove has a groove bottom, and elastic component is set to groove bottom and bottom Between seat.

In another embodiment, key switch also includes an electroconductive elastic sheet and a conduct piece.Electroconductive elastic sheet has an assembling Section, a bending section and an active segment, the assembling section of electroconductive elastic sheet are inserted in pedestal, and active segment has a first end relative to each other With a second end, bending section linking is between assembling section and the first end of active segment.Conduct piece is inserted in pedestal, and pressing piece also wraps Containing an at least convex block, protrude from assembled portion towards electroconductive elastic sheet active segment side.It, should when pressing piece is located at releasing position An at least convex block pushes against active segment and the relatively close assembling Duan Eryu conduct piece of the second end of active segment is made to keep a spacing, and curved Tune accumulates elastic position energy.When pressing piece is located at pressing position, active segment is no longer pushed against by an at least convex block, and bending section is released Put elastic position can and be relatively distant from the second end of active segment in assembling section, to enable the second end in contact conduct piece and conduct piece It is conducted.

Further, pedestal also has at least one second recessing groove, is used so that the convex block of pushing conductive sheet is worn.When pressing When casting die is located at pressing position, an at least convex block for pressing piece is movably located at least one second recessing groove.

Further, pedestal also has a stop surface, towards at least one second recessing groove.When pressing piece is located at release position When setting, pressing piece, in stop surface, is stopped at releasing position by backstop by an at least convex block for pressing piece.To stop surface with it is convex The cooperation of block can prevent key switch from popping up pedestal.

In another embodiment, an at least guidance part for pressing piece includes an extended segment and a guiding convex block.Extended segment is prominent Side for assembled portion with respect to keycap, guiding convex block are set to the side in extended segment relative makeup portion.Pedestal has at least one Guiding groove is connected at least one first recessing groove.Guiding convex block is slippingly located in an at least guiding groove, in pressing Reach the effect of limit in the process.

In another embodiment, button assembly can be set on a circuit board via pedestal, and corresponding on the circuit board should The guidance part position of pressing piece offers an at least third recessing groove, so that the guidance part of the pressing piece runs through the circuit Plate provides further possibility to realize that whole key can reduce thickness.Further, more correspond to pedestal extremely on circuit board At least one the 4th recessing groove is offered on few one second recessing groove, so that an at least convex block for pressing piece runs through the circuit board.

Based on the above button assembly provided in an embodiment of the present invention, one embodiment of the invention additionally provides a kind of mechanical key Disk comprising the button assembly and circuit board above-mentioned that a keyboard case, multiple any of the above embodiments are addressed.Button assembly with Circuit board is all located in keyboard case, and button assembly is electrically connected at circuit board.

Disclosed herein button assembly in, when pressing piece to pressing position, since guidance part can be through pedestal First recessing groove, thus the stroke of striking (can generally acknowledge pressing with preferable striking feel being maintained at such as 4 millimeters of existing stroke Press stroke) under the premise of, the thickness of pedestal and keycap is reduced, the integral thickness for be button assembly when not pressing is reduced and provided May, and then the hair for being conducive to thin-type electronic product produces trend.

Above is of the invention with explanation to demonstrate about the explanation of this disclosure and the explanation of the following embodiments and the accompanying drawings Spirit and principle, and claims of the present invention is provided and is further explained.

Detailed description of the invention

Fig. 1 is the perspective view of the button assembly according to depicted in one embodiment of the invention.

Fig. 2A~Fig. 2 B is respectively button assembly depicted in an embodiment according to the present invention in the decomposition of different perspectives Figure.

Fig. 3 is the bottom view of the button assembly according to depicted in one embodiment of the invention.

Fig. 4 A is that the pressing piece of the button assembly of Fig. 3 is located at releasing position and the sectional side view depicted in the 4A-4A face line.

Fig. 4 B is that the pressing piece of the button assembly of Fig. 4 A is located at the sectional side view of pressing position.

Fig. 4 C is that the pressing piece of the button assembly of Fig. 3 is located at pressing position and the sectional side view depicted in the 4C-4C face line.

Fig. 5 is the perspective view of the mechanical keyboard according to depicted in one embodiment of the invention.

Fig. 6 A is the perspective view of tradition machinery formula keyboard.

Fig. 6 B is the structural decomposition diagram of the key switch of tradition machinery formula keyboard.

[symbol description]

1 button assembly

9 mechanical keyboards

10 key switches

11 pedestals

12 electroconductive elastic sheets

13 conduct pieces

14 pressing pieces

15 elastic components

20 keycaps

The top surface 20a

30 circuit boards

The bottom surface 30a

31 third recessing grooves

33 the 4th recessing grooves

The key switch of 50 traditional type mechanical keyboards

51 wiring boards

52 pedestals

53 movable contact springs

54 static contacts

55 springs

56 axes sleeves

57 axle center

58 upper covers

59 keycaps

91 keyboard cases

111 upper housings

111a stop surface

113 lower cases

121 assembling sections

123 bending sections

125 active segments

125a first end

125b second end

141 assembled portions

143 guide posts

145 guidance parts

149 convex blocks

149a guide ramp

The support surface 149b

1131 first recessing grooves

1133 second recessing grooves

1135 guide channels

1137 guiding grooves

1411 grooves

1411a groove bottom

1451 extended segments

1453 guiding convex blocks

A arrow

O1 opening

S1 cavity

The distance of the upper surface of h1 upper housing to the upper surface of circuit board

The distance of the upper surface of h2 assembled portion to the upper surface of upper housing

The distance of the upper surface of h3 keycap to the upper surface of assembled portion

Specific embodiment

Describe detailed features and advantage of the invention in detail in embodiments below, content is enough to make any ability Field technique personnel understand technology contents of the invention and implement accordingly, and according to content disclosed by this specification, claim And attached drawing, anyone skilled in the art can be readily understood upon the relevant purpose of the present invention and advantage.Embodiment below is into one The step viewpoint that the present invention will be described in detail, but it is non-anyways to limit scope of the invention.

To realize the slimming of mechanical keyboard key, and such as feel for not influencing mechanical keyboard is stable long with the service life Etc. advantages, wherein feel depends primarily on press pressure and stroke, and aging effects factor essentially consists in the durable journey of touch-switch Degree, one embodiment of the application improve keyboard, and improvement is: in key pedestal (pedestal 11 as shown in Figure 2 A Lower case 113) on open up an at least hole (as shown in Figure 2 A the first recessing groove 1131), make key switch (as shown in Figure 2 A Pedestal 11 and its internal each element) compare conventional height with the sum of the height of keycap (keycap 20 as shown in Figure 2 A) and reduce, It reduces the thickness that height corresponds to aperture (such as first recessing groove 1131) on pedestal 11, guarantees the total kilometres of key with this Constant (such as being still 4 millimeters).

To be further thinned key, another embodiment of the application also improves keyboard, in key It switchs and opens up an at least hole (third recessing groove as shown in Figure 2 A on corresponding circuit board (circuit board 30 as shown in Figure 2 A) 31) aperture (such as first recessing groove 1131) for, enabling the axle center of key switch to pass through on pedestal is deep on circuit board Aperture (such as third recessing groove 31), further decreasing the height of key switch and keycap, (height reduced again can correspond to The thickness of circuit board), under the premise of thereby may be ensured that key total kilometres are constant, key height is reduced.

In addition, the another embodiment of the application is also provided in at least side of key axis other than improving to reduce key height An at least guide rail or guide channel (such as guiding groove 1135, guide channel 1137 shown in Fig. 2A etc.), during pressing Assist the axe movement of key switch without departing from center.

It elaborates below by way of specific embodiment and in conjunction with appended attached drawing to the application.

Firstly, referring to Fig. 1, Fig. 1 is the perspective view of the button assembly according to depicted in one embodiment of the invention.Such as figure Shown in 1, the present embodiment proposes a kind of button assembly 1, can be applied to the electronic product such as laptop or desktop computer Keyboard, to be used as input specific instruction signal on the keyboard.

Then, Fig. 2A~Fig. 2 B is please referred to, Fig. 2A~Fig. 2 B is respectively to press depicted in an embodiment according to the present invention Key asembly is in the exploded view of different perspectives.

As shown in Figure 2 A and 2 B, button assembly 1 includes a key switch 10 and a keycap 20.Keycap 20 is assembled in key On switch 10.Key switch 10 is set on a circuit board 30.Circuit board 30 can be produced via cabling (not being painted) and aforementioned electronic System in product is electrically connected, but the present invention is not limited thereto.And it will be appreciated that it can also be arranged on circuit board 30 more Button assembly 1.

Furthermore, it is understood that key switch 10 includes a pedestal 11, an electroconductive elastic sheet 12, a conduct piece 13, a pressing piece 14 With an elastic component 15.

Pedestal 11 includes a upper housing 111 and a lower case 113.Upper housing 111 can with 113 phase of lower case assemble and it is common Around a cavity S1 (as shown in Figure 4 A) out.Upper housing 111 has an opening O1, is connected to cavity S1 towards the one of keycap 20 Side.Lower case 113 is assembled on circuit board 30.

In addition, in this present embodiment, lower case 113 has two the first recessing grooves 1131, two for being connected to cavity S1 Second guiding groove 1135 of recessing groove 1133, two and a guide channel 1137.Two the first recessing groove 1131, two second resignings Slot 1133 and guide channel 1137 are respectively positioned on side of the cavity S1 far from opening O1.Furthermore, it is understood that two the first recessing grooves 1131 Opposite to each other, two the second recessing grooves 1133 and guide channel 1137 are respectively positioned between two the first recessing grooves 1131.And two are led Draw sliding slot 1135 to be connected with two the first recessing grooves 1131 respectively, and is located at 113 two interior sidewall surfaces of lower case.Upper housing 111 have a stop surface 111a, towards the direction of lower case 113.

Electroconductive elastic sheet 12 is made of the metal material for having both electric conductivity and elastic deformability, and it includes an assembling sections 121, a bending section 123 and an active segment 125.Assembling section 121 is inserted in the lower case 113 of pedestal 11, with under lower case 113 The circuit board 30 of side is electrically connected.Active segment 125 has a first end 125a and a second end 125b relative to each other.Bending section 123 linkings are between assembling section 121 and the first end 125a of active segment 125.

Conduct piece 13 is made of the metal material of tool electric conductivity, the lower case 113 of pedestal 11 is inserted in, under The circuit board 30 of 113 lower section of shell is electrically connected.In addition, keeping one between conduct piece 13 and the assembling section 121 of electroconductive elastic sheet 12 Distance.

Pressing piece 14 includes an assembled portion 141,143, two guidance parts 145 of a guide posts and two convex blocks 149.Pressing Part 14 is movably located at the cavity S1 of pedestal 11, and can move back and forth between a releasing position and a pressing position.But it closes It please hold subsequent detailed in the explanation of releasing position and pressing position.

Keycap 20 is assembled in the assembled portion 141 of pressing piece 14 backwards to the side of the lower case 113 of pedestal 11, and covers pedestal 11 opening O1.In this present embodiment, keycap 20 has a cross type groove, and 141 face of assembled portion in face of the side of assembled portion 141 There is the cross convex block for matching the cross type groove to the side of keycap 20, so that keycap 20 is assembled in pressing piece 14.In addition, Assembled portion 141 have a groove 1411, positioned at assembled portion 141 towards pedestal 11 lower case 113 side.

Under guide posts 143 protrude from groove 1411 from a groove bottom 1411a of groove 1411, and guide posts 143 correspond to The guide channel 1137 of shell 113.Elastic component 15 is a compressed spring, and installing (such as being arranged) is and movable in guide posts 143 Ground is located between the groove bottom 1411a of the groove 1411 of assembled portion 141 and the lower case 113 of pedestal 11.

Each guidance part 145 includes an extended segment 1451 and a guiding convex block 1453.Two extended segments 1451 protrude from group Dress portion 141 towards pedestal 11 lower case 113 side (or protrude from assembled portion 141 far from upper housing 111 opening O1 one Side).Two guiding convex blocks 1453 are respectively arranged at side of two extended segments 1451 far from assembled portion 141, and slip respectively Ground is located in two guiding grooves 1135.In this present embodiment, extended segment 1451 and the corresponding lower case 113 of guiding convex block 1453 First recessing groove 1131.In addition, in this present embodiment, there are two third recessing groove 31 and two the 4th recessing grooves for the tool of circuit board 30 33.Two third recessing grooves 31 correspond respectively to two the first recessing grooves 1131 of pedestal 11.And two the 4th recessing grooves 33 divide Not Dui Yingyu pedestal 11 two the second recessing grooves 1133.But it need to state, the present invention is not allowed with the third of circuit board 30 Position slot 31 is limited with the 4th recessing groove 33.

Two convex blocks 149 protrude from assembled portion 141 towards electroconductive elastic sheet 12 active segment 125 side.Each convex block 149 With a guide ramp 149a and a support surface 149b.Guide ramp 149a and support surface 149b are respectively positioned on convex block 149 bottom of towards The side of the upper housing 111 of seat 11.Guide ramp 149a compared with support surface 149b close to electroconductive elastic sheet 12, and correspond to active segment 125 second end 125b.Support surface 149b then corresponds to the stop surface 111a of upper housing 111.

Then, it need to state, the present invention is not with the first recessing groove 1131 of pedestal 11, the second recessing groove 1133 and leads The third recessing groove 31 and the quantity of the 4th recessing groove 33 for drawing sliding slot 1135 and circuit board 30 are limited.Such as in other embodiments In, the first recessing groove 1131, the second recessing groove 1133, third recessing groove 31, the 4th recessing groove 33 and guiding groove 1135 number Amount can be one.In the case, the guidance part 145 corresponding to the first recessing groove 1131 and third recessing groove 31, and Quantity corresponding to the second recessing groove 1133 and the convex block 149 of the 4th recessing groove 33 can also be one, also non-for limiting The present invention.In addition, the present invention nor be limited with third recessing groove 31 and the specification of the 4th recessing groove 33.Such as in other embodiments In, third recessing groove 31 and the 4th recessing groove 33 can also not penetrate circuit board 30.

In addition, the present invention nor be limited with aforementioned guide posts 143 and the position of guide channel 1135.Such as in other embodiments In, guide posts 143 may also set up in lower case 113, and extend towards the direction of pressing piece 14, and guide channel 1135 is then located at and presses Casting die 14 is towards the side of lower case 113.

Then, it will be illustrated for the mode of operation of button assembly 1.Fig. 3~4C is please referred to, Fig. 3 is according to the present invention An embodiment depicted in button assembly bottom view, Fig. 4 A be Fig. 3 button assembly pressing piece be located at releasing position and The sectional side view depicted in the 4A-4A face line, Fig. 4 B are that the pressing piece of the button assembly of Fig. 4 A is located at the sectional side view of pressing position, And the pressing piece that Fig. 4 C is the button assembly of Fig. 3 is located at pressing position and the sectional side view depicted in the 4C-4C face line.Wherein, It is noted that circuit board 30 is schematically shown as dotted line by Fig. 3, and button assembly 1 is schematically shown as up to attached drawing succinct clear purpose Solid line.

Firstly, as shown in Figure 4 A, when pressing piece 14 is located at releasing position, assembled portion 141 will receive pushing away for elastic component 15 It supports and related guidance part 145 is relatively distant from the first recessing groove 1131 of pedestal 11.In addition, the convex block 149 of pressing piece 14 can push against Squeeze electroconductive elastic sheet 12 active segment 125 so that the relatively close assembling section 121 of the second end 125b of active segment 125 and with conduction Part 13 keeps a spacing.In the case, electroconductive elastic sheet 12 is not electrically connected with conduct piece 13.Also, due to active segment 125 by To extruding, bending section 123 can accumulate elastic position energy.In addition, the support surface 149b of the convex block 149 of pressing piece 14 can be resisted against upper casing The stop surface 111a of body 111, to prevent pressing piece 14 to be detached from cavity S1 from opening O1.

Then, it asks and connects with Fig. 4 A refering to Fig. 4 B and Fig. 4 C.User can exert a force in direction of Arrow A and press keycap 20, push pressing piece 14 to pressing position from aforementioned releasing position with related.In the process, assembled portion 141 can be relatively close The lower case 113 of pedestal 11, under driving guidance part 145 (comprising guiding convex block 1453 and at least part of extended segment 1451) to enter First recessing groove 1131 of shell 113, and the guide channel 1137 for making at least part of guide posts 143 enter lower case 113. Wherein, it can be seen by Fig. 4 A to Fig. 4 B, since guiding convex block 1453 can slide in guiding groove 1135, pressing piece 14 can be limited Opposite pedestal 11 slides on scheduled direction and helps to reduce the shaking generated when pressing.In addition, assembled portion 141 can compress bullet Property part 15 and so that elastic component 15 is accumulated elastic position.

When pressing piece 14 is located at pressing position, guidance part 145 (includes guiding convex block 1453 and at least part of extended segment 1451) the third recessing groove 31 of the first recessing groove 1131 and circuit board 30 of lower case 113, and convex block 149 can be sequentially arranged in The 4th recessing groove 33 of two second recessing grooves 1133 and circuit board 30 of lower case 113 can be worn respectively.Also, convex block 149 Relatively close lower case 113 and the active segment 125 for no longer compressing electroconductive elastic sheet 12, with the elastic position for allowing bending section 123 to be accumulated It can be released, the second end 125b bullet of active segment 125 is contacted to conduct piece 13 with conduct piece 13 and electrically conduct.By This, can trigger the button assembly 1 and make a reservation for the signal sent.

In a practical realization, when pressing piece 14 is located at releasing position (as shown in Figure 4 A), due to being opened up on pedestal 11 First recessing groove 1131 and make the guidance part 145 of pressing piece 14 be able to also to open up the on pedestal 11 and circuit board 30 Three recessing grooves 31 are so that pressing piece 14 runs through circuit board 30, so that the upper surface of upper housing 111 first is to the upper of circuit board 30 Surface distance h1 is reduced to the 5.0mm of one embodiment of the application by the 10.7mm of tradition machinery key.Secondly, assembled portion 141 is upper The distance h2 of surface to the upper surface of upper housing 111 is reduced to one embodiment of the application by the 4.1mm of tradition machinery key 2.2mm.In addition, distance h3 of 20 upper surface of keycap to the upper surface of assembled portion 141, then dropped by the 6.7mm of tradition machinery key For the 1.3mm of one embodiment of the application.Obviously, 20 upper surface of keycap is to the overall thickness of 30 upper surface of circuit board by traditional 21.5mm is reduced to 8.5mm, but still the total kilometres of key can be kept constant, and for example, 4 millimeters.

That is, the invention discloses button assembly 1 in, when pressing piece 14 is pressed into pressing position, due to Guidance part 145 can run through the first recessing groove 1131 of pedestal 11, thus the stroke of striking can (generally acknowledging has being maintained at 4 millimeters The pressing stroke of preferable striking feel) under the premise of, the thickness of pedestal 11 and keycap 20 is reduced, so that button assembly 1 is not in Integral thickness when pressing is reduced to 10 millimeters, i.e., the specification for being 25 millimeters well below tradition machinery formula key overall thickness, into And the hair for being conducive to thin-type electronic product produces trend.

Then, it will be understood that, when the power that user's cancellation applies keycap 20, the releasable aforementioned institute of elastic component 15 The elastic position of accumulation can and by 14 self-pressing position of pressing piece (such as Fig. 4 B and Fig. 4 C) releasing position of rebounding (such as Fig. 4 A).It crosses herein Cheng Zhong, the guide ramp 149a on convex block 149 can first abut the second end 125b of the active segment 125 of electroconductive elastic sheet 12, by Two end 125b squeeze and once again close to assembling section 121 so that second end 125b returns back to the state separated with 13 phase of conduct piece.

In addition, referring to Fig. 5, Fig. 5 is the perspective view of the mechanical keyboard according to depicted in one embodiment of the invention.Such as Shown in figure, a kind of mechanical keyboard 9 is provided, it comprises a keyboard cases 91, multiple foregoing button assemblies 1 and one Foregoing circuit board 30.These button assemblies 1 and circuit board 30 are all set in keyboard case 91.And these button assemblies 1 is electrically connected on circuit board 30, can be used to trigger the respectively scheduled signal of institute.

Although the present invention is disclosed above with embodiment above-mentioned, however, it is not to limit the invention.This hair is not being departed from In bright spirit and scope, carried out by change and retouch, belong to scope of patent protection of the invention.It is defined about the present invention Protection scope please refers to the attached claims.

Claims

1. a kind of button assembly, it is characterised in that include:

One key switch includes:

One pedestal has an opening, a cavity and at least one first recessing groove, and the opposite end of the cavity is respectively communicated with to be opened in this Mouth and at least one first recessing groove；And

One pressing piece is movably located at the cavity and moves back and forth between a releasing position and a pressing position, the pressing Part includes an assembled portion and an at least guidance part, which protrudes from side of the assembled portion far from the opening, and Corresponding at least one first recessing groove；And

One keycap is assembled in the assembled portion；

Wherein when the pressing piece is located at the releasing position, the assembled portion it is related this at least a guidance part is relatively distant from the pedestal At least one first recessing groove, during the pressing piece is moved to the pressing position from the releasing position, the assembled portion phase Make at least one first recessing groove of an at least part of at least guidance part through the pedestal to close to the pedestal.

2. button assembly as described in claim 1, which is characterized in that the pressing piece also includes a guide posts, protrudes from the group Side of the dress portion with respect to the keycap, a guide channel of the pedestal with the connection cavity, the guide channel correspond to the guide posts, when When the pressing piece is located at the pressing position, at least part of guide posts are located in the guide channel.

3. button assembly as described in claim 1, which is characterized in that the key switch also includes an elastic component, is set to this Between pedestal and the assembled portion, when the pressing piece is located at the pressing position, which compresses the elastic component and makes the elasticity Part accumulates elastic position energy, and during the pressing piece is moved to the releasing position from the pressing position, which discharges bullet Property position can and by the assembled portion bullet to the releasing position.

4. button assembly as described in claim 1, which is characterized in that the key switch also includes that an electroconductive elastic sheet and one are conductive There is an assembling section, a bending section and an active segment, the assembling section of the electroconductive elastic sheet to be inserted in the bottom for part, the electroconductive elastic sheet Seat, the active segment have a first end and a second end relative to each other, which is connected in the assembling section and the active segment The first end between, which is inserted in the pedestal, which also includes an at least convex block, protrudes from the assembled portion court To the side of the active segment of the electroconductive elastic sheet, when the pressing piece is located at the releasing position, at least a convex block pushes against the work for this It moves section and the relatively close assembling Duan Eryu conduct piece of the second end of the active segment is made to keep a spacing, and the bending section is tired Product elasticity position energy, when the pressing piece is located at the pressing position, which is no longer pushed against by an at least convex block, the bending section Discharge elastic position can and be relatively distant from the second end of the active segment in the assembling section, to enable second end in contact conduct piece And it is conducted with the conduct piece.

5. button assembly as claimed in claim 4, which is characterized in that the pedestal also has at least one second recessing groove, when this When pressing piece is located at the pressing position, an at least convex block for the pressing piece is movably located at least one second recessing groove.

6. button assembly as claimed in claim 5, which is characterized in that the pedestal also has a stop surface, towards this at least one Second recessing groove, when the pressing piece is located at the releasing position, at least convex block of the pressing piece by backstop in the stop surface, The pressing piece is stopped at the releasing position.

7. button assembly as described in claim 1, which is characterized in that an at least guidance part includes an extended segment and a guiding Convex block, the extended segment protrude from side of the assembled portion with respect to the keycap, which is set to the extended segment with respect to the group The side in dress portion, the pedestal have an at least guiding groove, which is connected at least one first recessing groove, should Guiding convex block is slippingly located in an at least guiding groove.

8. button assembly as described in claim 1, which is characterized in that also include a circuit board, which is set to the circuit On plate, the circuit board is corresponding to an at least third recessing groove is offered at the guidance part position of the pressing piece, for the pressing The guidance part of part runs through the circuit board.

9. button assembly as claimed in claim 4, which is characterized in that also include a circuit board, which is set to the circuit On plate, the circuit board correspond to the pressing piece this at least open up at least one the 4th recessing groove at the position of a convex block, for this An at least convex block for pressing piece runs through the circuit board.

10. a kind of mechanical keyboard, characterized by comprising:

One keyboard case；

Multiple button assemblies as described in any one of claim 1 to 9；And

One circuit board, the button assembly and the circuit board are all located in the keyboard case, and the button assembly is electrically connected In the circuit board.