CN206349284U - It is a kind of that there is the slight keyboard for impacting sound - Google Patents

Abstract

The utility model discloses a kind of slight keyboard for having and impacting sound, including：One bottom deck assembly, bottom deck assembly includes circuit board and supporting plate；Multiple buttons, button is on the bottom plate；Each button is sequentially provided with from top to bottom：One keycap；One scissor, the top of scissor contacts connection with keycap, and the bottom of scissor is connected with supporting plate；One switch being connected with circuit board, is switched as thin film switch or fine motion mechanical switch；One elastic component, elastic component is placed in the scissor, the top of elastic component is contacted with the upper pin of scissor, the bottom of elastic component is fixed in the supporting plate on slight keyboard, when pushing, elastic component is extruded by upper pin and leftover bits and pieces, elastic component is gradually moved inwards, until when elastic component completely disengages from pin, elastic component quick bounce-back in the presence of elastic force impacts keycap and sends impact sound upwards.The utility model has the advantages that the slight keyboard for impacting sound has the thin and good sense of touch and sense of hearing of simple in construction, build.

Description

It is a kind of that there is the slight keyboard for impacting sound

Technical field

The utility model is related to keyboard, specially a kind of to have the slight keyboard for impacting sound.

Background technology

At present, existing slight keyboard, there is thin film switch formula keyboard and fine motion mechanical switch keyboard, wherein thin film switch Formula keyboard will not send sound during keycap is pushed, and current have of fine motion mechanical switch keyboard can during pushing To send the keyboard of sound, such as Patent No. 2015101384978, a kind of entitled Chinese patent application of slim switch, its Disclose and be provided with a guide pillar in the middle part of a kind of slim switch, including handle, base, upper lid, annular shell fragment and spring, the base, Spring is placed on guide pillar, and handle is installed on the guide pillar for being socketed with spring, and annular shell fragment is socketed on outside handle, side and base It is fixed, fixing terminal is set on base below the annular shell fragment shell foot of correspondence, and annular shell fragment together in being covered in by upper cover buckle on base It is through hole in it, in the middle part of upper lid, handle top is passed for pressing by through hole, and snap the line is provided with below the upper lid annular shell fragment, Snap the line one end is fixed on base, and the other end is located at handle side arm, and corresponding handle side arm is provided with convex, guide ramp, handle The fixing terminal on the descending contact base of annular shell fragment shell foot is driven to realize switch conduction when pushing, while also being driven by convex Snap the line is descending, when being depressed into certain stroke, and snap the line departs from handle along the upward resilience of guide ramp, impacts and sends sound onto shell fragment Sound.Keyboard with the slim switch in use can be because key switch sends sound and sends sound.Above-mentioned technology The slim construction of switch that scheme is recorded, it has following not enough：1st, parts constitute many, complicated, cost of material and manufacture Cost is high；2nd, on bottom upper guide post and guide pillar spring setting, its whole height is high, is unfavorable for slimming development；3rd, upper lid Be arranged at provided with snap the line, i.e. snap the line in switch below annular shell fragment, at the same need corresponding handle side arm setting convex with And guide ramp, make complicated, be unfavorable for general with existing switch.

Utility model content

The utility model provides a kind of setting elastic component outside switch, while existing slight keyboard structure need not be changed, Keyboard, which can be achieved, has the slight keyboard with impact sound of impact sound, and it has, and simple in construction, cost is low, manufacturer Just and the advantages of good tactile and the sense of hearing.

The utility model can be achieved through the following technical solutions：

A kind of slight keyboard with impact sound, including：One bottom deck assembly, the bottom deck assembly includes circuit board and branch Fagging；Multiple buttons, the button is on the bottom plate；Each button is sequentially provided with from top to bottom：One keycap；One scissors Pin, the top of the scissor contacts connection with keycap, and the bottom of the scissor is connected with supporting plate；One is connected with circuit board Switch, the switch is thin film switch or fine motion mechanical switch, during assembling, and the switch stretches out from the hollow bulb of scissor, Connection is contacted with keycap；One elastic component, the elastic component is made up of spring wire or shell fragment, and the elastic component is located in scissor Hollow bulb, the elastic component at least includes at the top of contact site and once rake on one, the upper contact site and scissor Upper pin contact, the bottom of the elastic component is fixed in the supporting plate on slight keyboard, the upper contact site top and scissor Upper pin contact, during pushing, the lower rake of elastic component is contacted with the leftover bits and pieces of scissor, upper pin and get a foothold extruding force Under, elastic component is gradually moved inwards, until elastic component is when completely disengaging from pin, elastic component in the presence of elastic force it is quick rebound to Upper impact keycap sends impact sound.When pushing keycap, keycap pressure switches, two contacts on switch respectively with circuit board Two contacts realize switch conduction, and using the traditional key switch of switch in place of this kind with contact, it is effectively reduced The parts of switch, simplify the structure of switch, while effectively reducing the height of switch, switch is more they tended to slimming. The utility model has the principle of sound of the slight keyboard of impact sound：Downwards when pushing keycap, the upper contact site of elastic component with The upper pin contact of scissor, during pushing, the lower rake of elastic component is contacted with the leftover bits and pieces of scissor, in upper pin and leftover bits and pieces Under extruding force, elastic component is gradually moved inwards, until when elastic component completely disengages from pin, elastic component is quick in the presence of elastic force Impact keycap sends impact sound upwards for bounce-back.The utility model has the slight keyboard of impact sound main in existing band scissor Elastic component is additionally arranged on the button of structure, while elastic component is located in scissor, is located at by traditional elastic component in switch and changed For outside switch, i.e., elastic component is external in switch external, and its button pressed can send bounce-back sound, button is set to have well Sense of touch and sense of hearing, it does not change the structure of existing button scissor and other parts, takes full advantage of existing product, is not increasing On the basis of addition sheet, make slight keyboard that there is good sense of touch and sense of hearing in use；The utility model has impact The slight keyboard of sound is the progress increase elastic component on the basis of existing membrane keyboard, and elastic component is placed in the upper pin of scissor Between leftover bits and pieces, the structure of scissor is not changed, its versatility is good, thin film switch and fine motion mechanical switch are compared to common key-press Switch, it has small volume, the thinner advantage of product；The utility model has the slight keyboard of impact sound, relative to existing Add the structure of snap the line in technology in common key-press switch, the increase of snap the line in handle side arm, it is necessary to set convex in the prior art And guide ramp, it needs that existing parts are modified and processed, and the utility model need not change existing product zero Part, elastic component is directly assembled and can be used between the upper pin of scissor and leftover bits and pieces, its is easy for installation, while effectively saving Cost of manufacture and installation cost.

Further, the elastic component be located at scissor upper pin and get a foothold between, the elastic component include fixed arm and Lever arm, the fixed arm is located at bottom, and fixes on the supporting plate, and the lever arm is located at top, the end of the fixed arm Portion is connected by inclined linking arm with lever arm, and the lever arm is located at the end of linking arm or positioned at linking arm end one At set a distance, the lever arm is provided with a V-structure comprising upper contact site and lower rake.The lever arm of V-structure Structure design, after loading in the scissor on slight keyboard, when pushing keycap downwards, the upper foot plate surface of scissor is pressed in elasticity Above the lever arm of part, during pushing, the lever arm of elastic component distorts rotation under the effect of the pressure, under on lever arm When rake is continued traveling downwardly after being contacted with the leftover bits and pieces top surface on scissor, the lever arm of elastic component is in upper pin and the extruding force got a foothold Under move inwards, be that the contact site of upper contact site and upper pin on elastic component is displaced outwardly, on elastic component is completely disengaged from During pin side, elastic component quickly rebounds under elastic force effect, impacts keycap inner surface, produces sound.

Further, the fixed arm is horizontal positioned, and the supporting plate is determined provided be used to fix elastic component first Position post and the second locating dowel.The fixed arm horizontal positioned, while passing through the first locating dowel and the second locating dowel in supporting plate Fixation is attached, its elastic component stable connection.

Further, the elastic component is made up of spring wire, and the lever arm is located at the end of linking arm, the lever arm Including upper contact site and lower rake, the upper contact site is horizontally disposed, and the lower rake inclines from top to bottom, from outside to inside Tiltedly set, the end of the fixed arm, which is provided with, is used for fixed retainer ring on the supporting plate, fixed arm be connected with linking arm one End forms the fixed space that is connected with supporting plate, and first locating dowel is engaged with the retainer ring of fixed arm end, and described the One end that two locating dowels are connected with fixed arm with linking arm is engaged, the setting of the retainer ring and fixed space, is easy to elasticity Part is fixed on the supporting plate by fixed arm, and its two ends is simultaneously fixed, fix stably.

Further, the bottom of the lever arm is provided with the bottom level section parallel with upper contact site, the bottom level Section is connected with lower rake, and the lower surface of the bottom level section is located at the top at the top of fixed arm.The lever arm bottom water The setting of flat section, while ensuring that lever arm is elastic, it can be ensured that the rigidity of lever arm, is prevented effectively from lever arm because being pressed Power and rigidity is not enough, and then influence the effect of bounce-back impact keycap.

Further, the elastic component is made up of shell fragment, and the lever arm is located at linking arm at the certain position of end, The lever arm includes upper contact site and lower rake, and the upper contact site is tilting section, the upper contact site and lower rake The v-shaped structure of opening inwards is constituted together, and the fixed arm is provided with two or more fixing holes, first positioning Post and the second locating dowel are in mating connection with fixing hole on fixed arm respectively.Two or more fixing hole sets on the fixed arm Put, be easy to the first locating dowel in supporting plate and the fixation in mating connection of the second locating dowel, effectively ensure elastic component connection and Fixed stability.

Further, corner location is respectively provided with the angle of fixed blade pin in the supporting plate, angle Set, be connected respectively with the upper pin and leftover bits and pieces buckle-type of scissor, on the one hand make scissor firm on the supporting plate, be difficult to take off From on the other hand, being easy to opening and folding for scissor, effectively ensure the use of scissor.

Further, the circuit board can be FPC, and now FPC is located in supporting plate；The electricity Road plate can also be flexible and hard combined circuit board, and now flexible and hard combined circuit board is located at supporting plate bottom.

The utility model has the slight keyboard of impact sound, with following beneficial effect：

Firstth, with impact sound, the utility model has the slight keyboard of impact sound main in existing band scissor The elastic component with fixed arm and lever arm is additionally arranged on the button of structure, button pressed is sent bounce-back sound, makes button With impact sound, while increasing sense of touch, user is met to sense of touch and the demand of sense of hearing, it does not change existing button scissor And the structure of other parts, existing product is taken full advantage of, on the basis of cost is not increased, was using slight keyboard There is good sense of touch and sense of hearing in journey；

Secondth, small product size is small, thickness of thin, and there is the utility model the slight keyboard of impact sound to be in existing Thin-film key Increase elastic component is carried out on the basis of disk, and elastic component is placed in scissor, bottom is fixed on the supporting plate, does not change scissor Structure, its versatility is good, and thin film switch and fine motion mechanical switch are switched compared to common key-press, and it has small volume, product Thinner advantage；

3rd, cost is low, and the utility model has the slight keyboard of impact sound, relative to common key-press in the prior art In switch plus snap the line structure, the increase of snap the line is in handle side arm, it is necessary to set convex and guide ramp in the prior art, its Need that existing parts are modified and processed, and the utility model need not change existing product parts, directly by elasticity Part is assemblied in the upper pin of scissor and can be used between getting a foothold, and its is easy for installation, while effectively saving cost of manufacture and peace Dress up this.

Brief description of the drawings

Accompanying drawing 1 is the installation diagram for the slight keyboard embodiment 1 that the utility model has impact sound；

Accompanying drawing 2 is decomposing schematic representation of the slight keyboard embodiment 1 with thin film switch that the utility model has impact sound；

Accompanying drawing 3 is that decomposition of the slight keyboard embodiment 1 with fine motion mechanical switch that the utility model has impact sound is shown It is intended to；

Accompanying drawing 4 is the structural representation of elastic component in accompanying drawing 2 and accompanying drawing 3；

Accompanying drawing 5 is view of the elastic component in scissor in accompanying drawing 4；

Accompanying drawing 6 is another structural representation of elastic component in accompanying drawing 2 and accompanying drawing 3；

Accompanying drawing 7 is the decomposing schematic representation for the slight keyboard embodiment 2 that the utility model has impact sound；

Accompanying drawing 8 is the structural representation of elastic component in accompanying drawing 7；

Accompanying drawing 9 is the decomposing schematic representation for the slight keyboard embodiment 3 that the utility model has impact sound.

Embodiment

In order that those skilled in the art more fully understand the technical solution of the utility model, with reference to embodiment and Accompanying drawing is described in further detail to the utility model product.

Embodiment 1

As shown in Figures 1 to 5, a kind of slight keyboard with impact sound, including：One bottom deck assembly, the bottom plate group Part includes circuit board 20 and supporting plate 10, and the circuit board 20 is FPC, and FPC is located in supporting plate 10；It is many Individual button, the button is on the bottom plate；Each button is sequentially provided with from top to bottom：One keycap 50；One scissor 40, institute The top and keycap 50 for stating scissor 40 contact connection, and the bottom of the scissor 40 is connected with supporting plate 10；One and circuit board The switch of 20 connections, the switch can switch 30b for micromover tool（Such as Fig. 3）, or thin film switch 30a（Such as Fig. 2）, During assembling, the switch is stretched out from the hollow bulb 43 of scissor 40, and connection is contacted with keycap 50；One elastic component 60, the elasticity Part 60 is made up of spring wire, and the elastic component 60 is located at the hollow bulb 43 in scissor 40, and the elastic component 60 at least includes one Upper contact site 631 and once rake 632, the upper contact site 631 of the elastic component 60 are contacted with the upper pin 41 of scissor 40, institute The bottom for stating elastic component 60 is fixed in the supporting plate 10 on slight keyboard, the upper top of contact site 631 and scissor 40 Upper pin 41 is contacted, during pushing, and the lower rake 632 of elastic component 60 is contacted with the leftover bits and pieces 42 of scissor 40, in the upper He of pin 41 Get a foothold under 42 extruding force, elastic component 60 is gradually moved inwards, until when elastic component 60 completely disengages from pin 41, elastic component 60 exists Impact keycap 50 sends impact sound upwards for quick bounce-back in the presence of elastic force.When pushing keycap 50, the pressure switches of keycap 50, switch On two contacts realize switch conduction with two contacts on circuit board 20 respectively, using this kind carry contact switch Instead of traditional key switch, it effectively reduces the parts of switch, the structure of switch is simplified, while effectively reducing out The height of pass, makes switch more they tend to slimming.The utility model has the principle of sound of the slight keyboard of impact sound：Under downwards When pressing keycap 50, the upper contact site 631 of elastic component 60 is contacted with the upper pin 41 of scissor 40, during pushing, elastic component 60 Lower rake 632 is contacted with the leftover bits and pieces 42 of elastic component 60, and under the extruding force of leftover bits and pieces 42, elastic component 60 is gradually moved inwards, directly When completely disengaging from upper pin 41 to elastic component 60, the quick upward impact keycap 50 of bounce-back in the presence of elastic force of elastic component 60, which is sent, to be hit Beat sound.The slight keyboard that the utility model has impact sound is mainly additionally arranged bullet on the existing button with the structure of scissor 40 Property part 60, while elastic component 60 be located at scissor 40 in, by traditional elastic component 60 be located at switch in be changed to be located at switch outside, I.e. elastic component 60 is external in switch external, and its button pressed can send bounce-back sound, button is had good sense of touch and sense of hearing, It does not change the structure of existing button scissor 40 and other parts, takes full advantage of existing product, is not increasing cost On the basis of, make slight keyboard that there is good sense of touch and sense of hearing in use；The utility model has the thin of impact sound Type keyboard is that increase elastic component 60 is carried out on the basis of existing membrane keyboard, and elastic component 60 is placed in the upper pin 41 of scissor 40 Between leftover bits and pieces 42, the structure of scissor 40 is not changed, its versatility is good, thin film switch and fine motion mechanical switch are compared to common Key switch, it has small volume, the thinner advantage of product；The utility model has the slight keyboard of impact sound, relative to Add the structure of snap the line in common key-press switch in the prior art, the increase of snap the line in handle side arm, it is necessary to set in the prior art Convex and guide ramp, it needs that existing parts are modified and processed, and the utility model need not change existing production Product parts, elastic component 60 is directly assembled and can be used between the upper pin 41 of scissor 40 and leftover bits and pieces 42, its is easy for installation, Effectively save cost of manufacture and installation cost simultaneously.

As shown in Figure 4, Figure 5, the elastic component 60 is located between the upper pin 41 of scissor 40 and leftover bits and pieces 42, the elastic component 60 include fixed arm 61 and lever arm 63, and the fixed arm 61 is located at bottom, and is fixed in supporting plate 10, the lever arm 63 Positioned at top, the end of the fixed arm 61 is connected by inclined linking arm 62 with lever arm 63, and the lever arm 63 is located at The end of linking arm 62, the lever arm is specifically, described provided with a V-structure comprising upper contact site and lower rake Upper contact site is horizontally disposed, and the lower rake is obliquely installed from top to bottom, from outside to inside.The lever arm 63 of V-structure Structure design, after loading in the scissor 40 on slight keyboard, when pushing keycap 50 downwards, the bottom surface of upper pin 41 of scissor 40 It is pressed in above the upper contact site 631 of lever arm 63, during pushing, the lever arm 63 of elastic component 60 is distorted under the effect of the pressure Rotation, when being continued traveling downwardly after the lower rake 632 on lever arm 63 is contacted with the top surface of leftover bits and pieces 42 on scissor 40, elastic component 60 lever arm 63 upper pin 41 and get a foothold 42 extruding force under move inwards, be elastic component 60 upper contact site 631 with it is upper The contact site of pin 41 is displaced outwardly, when lever arm 63 completely disengages from upper 41 side of pin, and elastic component 60 is fast under elastic force effect Speed bounce-back, impacts the inner surface of keycap 50, produces sound.

As shown in Fig. 2, Fig. 4 to Fig. 6, the fixed arm 61 is horizontal positioned, and the supporting plate 10, which is provided with, to be used to fix The first locating dowel 13 and the second locating dowel 12 of elastic component 60.The horizontal positioned of fixed arm 61, while by supporting plate 10 The first locating dowel 13 and the second locating dowel 12 be attached fixation, its stable connection of elastic component 60.The end of the fixed arm 61 Portion is provided with the retainer ring 611 for being used for being fixed in supporting plate 10, and one end that fixed arm 61 is connected with linking arm 62 is formed and support The fixed space 612 that plate 10 is connected, first locating dowel 13 is engaged with the retainer ring 611 of the end of fixed arm 61, and described the The fixed space 612 of one end that two locating dowels 12 are connected with fixed arm 61 with linking arm 62 is engaged, and the fixed space 612 is Uncovered structure（Such as Fig. 4）, the enclosed construction that the fixed space 612 can also be as shown in Figure 6, the retainer ring 611 is with fixing The setting in space 612, is easy to elastic component 60 to be fixed on by fixed arm 61 in supporting plate 10, and its two ends is simultaneously fixed, fixed stably Gu.

As shown in Fig. 4, Fig. 6, the bottom of the lever arm 63 is provided with the bottom level section 633 parallel with upper contact site 631, The lower surface of the bottom level section 633 is located at the top at the top of fixed arm 61.The bottom level of lever arm 63 section 633 is set Put, while the elasticity of lever arm 63 is ensured, it can be ensured that the rigidity of lever arm 63, be prevented effectively from lever arm 63 because being under pressure And rigidity is not enough, and then influence the effect of bounce-back impact keycap 50.

As shown in Figure 2 and Figure 3, corner location is respectively provided with the angle of fixed blade pin 40 in the supporting plate 10 11, the setting of angle 11 is connected with the upper pin 41 and 42 buckle-types of getting a foothold of scissor 40, on the one hand makes scissor 40 steady respectively Gu in supporting plate 10, being not easily disconnected from, on the other hand, it is easy to opening and folding for scissor 40, effectively ensures scissor 40 Use.

Embodiment 2

As shown in Figure 7, Figure 8, the elastic component 60 except above-mentioned by addition to spring wire is made, it would however also be possible to employ shell fragment is made, When making elastic component 60 using shell fragment, its structure and principle using spring wire with making essentially identical, and different place is： Now, the lever arm 63 is located at linking arm 62 at the certain position of end, and the lever arm 63 is by the He of upper inclined portion 634 The v-shaped structure of the opening that lower rake 635 is constituted inwards, the tip-end-side of the lever arm 63 and bottom end side portion are respectively with being connected The sidepiece of arm 62 and the connection of the sidepiece of fixed arm 61, the end of the linking arm 62 are provided with impact portion 621, the impact portion 621 be to The bending structure of lower bending, the top of the impact portion 621 is contacted with the upper pin 41 of scissor 40, and on the fixed arm 61 Provided with two or more fixing holes 613 being engaged with the first locating dowel 13 and the second locating dowel 12.Using shell fragment system Into elastic component, because the contact area of sheet material increases, it is connected and fixed stability also effectively strengthens.It is made up of shell fragment After elastic component loads in the scissor 40 on slight keyboard, when pushing keycap 50 downwards, the bottom surface of upper pin 41 pressure of scissor 40 On the impact portion 61 of elastic component 60, during pushing, the lever arm 63 of elastic component 60 distorts rotation under the effect of the pressure, When being continued traveling downwardly after the lower rake 635 on lever arm 63 is contacted with the top surface of leftover bits and pieces 42 on scissor 40, elastic component 60 Impact portion 621 and upper contact site 631 are moved inwards under the extruding force of upper pin 41 and leftover bits and pieces 42 with lever arm 63, are bullet Property part 60 the contact site of upper contact site 631 and upper pin 41 be displaced outwardly, when upper contact site 631 completely disengages from the upper side of pin 41 When, the impact portion 621 on elastic component 60 quickly rebounds under elastic force effect, impacts the inner surface of keycap 50, produces sound.

Embodiment 3

As shown in figure 9, the present embodiment and the structure and principle of embodiment 1 are essentially identical, different place is：It is described Circuit board 20 is in addition to for flexible circuitry, or flexible and hard combined circuit board, when circuit board 20 is flexible and hard combined circuit board, Flexible and hard combined circuit board is located at the bottom of supporting plate 10, now, and the switch 30 is still located at circuit board 20, that is, switchs 30 located at soft On hard combined circuit board, the switch stretches out from the hollow space of supporting plate 10 and scissor 40, with being fastened on scissor 40 The lower surface of keycap 50 contact.When pressing down on keycap 50, keycap 50 drives the upper pin 41 of scissor 40 descending, scissor 40 The upper bottom surface of pin 41 is pressed on the upper contact site 631 of elastic component 60, during pushing, the work of the lever arm 63 of elastic component 60 in pressure Rotated, continued traveling downwardly after the lower rake 632 on lever arm 63 is contacted with the top surface of leftover bits and pieces 42 on scissor 40 with lower distortion When, the lever arm 63 of elastic component 60 upper pin 41 and get a foothold 42 extruding force under move inwards, be on elastic component 60 on connect Contact portion 631 and the contact site of upper pin 41 are displaced outwardly, when upper contact site 631 completely disengages from upper 41 side of pin, elastic component 60 Quickly rebounded under elastic force effect, impact the inner surface of keycap 50, produce sound.

Described above, preferred embodiment only of the present utility model not makees any formal to the utility model Limitation；The those of ordinary skill of all industry can be shown in by specification accompanying drawing and described above and swimmingly implement this practicality It is new；But, all those skilled in the art are not being departed from the range of technical solutions of the utility model, using above institute The technology contents of announcement and the equivalent variations of a little variation, modification and evolution made, are equivalence enforcement of the present utility model Example；Meanwhile, the changes of all any equivalent variations made according to substantial technological of the present utility model to above example, modification with Develop etc., still fall within the protection domain of the technical solution of the utility model.

Claims (10)

1. a kind of have the slight keyboard for impacting sound, it is characterised in that including：

One bottom deck assembly, the bottom deck assembly includes circuit board and supporting plate；

Multiple buttons, the button is on the bottom plate；Each button is sequentially provided with from top to bottom：

One keycap；

One scissor, the top of the scissor contacts connection with keycap, and the bottom of the scissor is connected with supporting plate；

One switch being connected with circuit board, the switch is thin film switch or fine motion mechanical switch；

One elastic component, the elastic component is placed in the scissor, and the upper contact site of the elastic component and the upper pin of scissor connect Touch, the bottom of the elastic component is fixed in the supporting plate on slight keyboard, the upper contact site of the elastic component and scissor Upper pin contact, during pushing, the lower rake of elastic component is contacted with the leftover bits and pieces of scissor, in upper pin and the extruding force got a foothold Under, elastic component is gradually moved inwards, until elastic component is when completely disengaging from pin, elastic component in the presence of elastic force it is quick rebound to Upper impact keycap sends impact sound.

2. according to claim 1 have the slight keyboard for impacting sound, it is characterised in that：The elastic component is by spring wire Or shell fragment is made, the elastic component is located at the hollow bulb in scissor.

3. according to claim 1 or 2 have the slight keyboard for impacting sound, it is characterised in that：The elastic component is located at Between the upper pin of scissor and leftover bits and pieces, the elastic component includes fixed arm and lever arm, and the fixed arm is located at bottom, and fixed On the supporting plate, the lever arm is located at top, and the end of the fixed arm is connected by inclined linking arm with lever arm, institute Lever arm is stated positioned at the end of linking arm or at a certain distance from linking arm end, the lever arm is provided with one comprising upper The V-structure of contact site and lower rake.

4. according to claim 3 have the slight keyboard for impacting sound, it is characterised in that：The fixed arm is put for level Put, the supporting plate is provided with the first locating dowel and the second locating dowel for being used for fixing elastic component.

5. according to claim 4 have the slight keyboard for impacting sound, it is characterised in that：The elastic component is by spring wire It is made, the lever arm is located at the end of linking arm, the lever arm includes upper contact site and lower rake, the upper contact site It is horizontally disposed, the lower rake is obliquely installed from top to bottom, from outside to inside, the end of the fixed arm, which is provided with, to be used to fix Retainer ring on the supporting plate, first locating dowel is engaged with the retainer ring of fixed arm end, second locating dowel with One end that fixed arm is connected with linking arm is engaged.

6. according to claim 5 have the slight keyboard for impacting sound, it is characterised in that：The bottom of the lever arm is set There is the bottom level section parallel with upper contact site, the lower surface of the bottom level section is located at the top at the top of fixed arm.

7. according to claim 6 have the slight keyboard for impacting sound, it is characterised in that：The elastic component is by shell fragment system Into the fixed arm is provided with two or more fixing holes, and first locating dowel and the second locating dowel are respectively with consolidating The fixing hole determined on arm is in mating connection.

8. according to claim 7 have the slight keyboard for impacting sound, it is characterised in that：Corner position in the supporting plate Put the angle for being respectively provided with fixed blade pin.

9. according to claim 8 have the slight keyboard for impacting sound, it is characterised in that：The circuit board is flexible wires Road plate, the circuit board is located in supporting plate.

10. according to claim 8 have the slight keyboard for impacting sound, it is characterised in that：The circuit board is soft or hard Combined circuit board, the circuit board is located at supporting plate bottom.