CN107768163B - Press-key structure - Google Patents
Press-key structure Download PDFInfo
- Publication number
- CN107768163B CN107768163B CN201710883338.XA CN201710883338A CN107768163B CN 107768163 B CN107768163 B CN 107768163B CN 201710883338 A CN201710883338 A CN 201710883338A CN 107768163 B CN107768163 B CN 107768163B
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- China
- Prior art keywords
- keycap
- balance bar
- galianconism
- bottom plate
- long
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/02—Details
- H01H13/12—Movable parts; Contacts mounted thereon
- H01H13/20—Driving mechanisms
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
- H01H13/84—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard characterised by ergonomic functions, e.g. for miniature keyboards; characterised by operational sensory functions, e.g. sound feedback
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
- H01H3/12—Push-buttons
- H01H3/122—Push-buttons with enlarged actuating area, e.g. of the elongated bar-type; Stabilising means therefor
Landscapes
- Push-Button Switches (AREA)
Abstract
The invention discloses a kind of press-key structures, generate component and two balance bars comprising bottom plate, keycap, elevating mechanism, restoring force.The elevating mechanism is connected between the bottom plate and the keycap so that the keycap can be moved up and down relative to the bottom plate.The restoring force generates component and is set between the bottom plate and the keycap.Each balance bar is connected between the bottom plate and the keycap and the structure that is in U-shape, the balance bar has long-armed and galianconism in its two sides, the long-armed of two balance bar generates component setting adjacent to the restoring force than galianconism, so that the amount of moving down at position can be greater than the amount of moving down at the keycap two sides position among the keycap when pushing the keycap.The present invention utilizes two asymmetrical balance bars of structure, so that when pushing keycap, no matter user presses that position of the keycap, and the amount of moving down at the relatively intermediate position of keycap is greater than the amount of moving down at two sides position, and then solves the problems, such as that the two sides for only pressing space bar keycap but can not trigger switch.
Description
Technical field
The present invention relates to a kind of press-key structure, a kind of especially press-key structure with balance bar.
Background technique
General key usually only supports keycap using single scissors foot support, and keycap then can phase through thus scissor bracket
Bottom plate is moved up and down.When keycap is longer, such as the space bar of keyboard, it will use two or more scissors foot supports
Common support keycap, keycap are then moved up and down via these scissors foot supports relative to bottom plate.However, respectively being cut in space bar
Knife foot support independence actuation, when user presses the two sides position of keycap, keycap can not be pushed horizontally, but on the bias
It pushes.And general push switch is generally disposed at the lower section at position among keycap, aforementioned space bar keycap pushes pole on the bias can
The amount of moving down at position among keycap can be made to be not enough to trigger switch, cause the secondary pressing operation failure.To this problem, key at present
Key in disk with longer keycap, which is pressed, is commonly configured with a balance bar, is connected between keycap and bottom plate, whole to increase keycap
The smoothness that body moves up and down, to improve the phenomenon that aforementioned space bar keycap pushes on the bias.However, being used in longer keycap
Balance bar also has longer length in principle, this will be so that balance bar itself also can have deflection because of two sides unbalance stress
The phenomenon that actuation, so that the improvement that aforementioned space bar keycap pushes on the bias is limited.In addition, general key using plantation rubber it is prominent with
Screen resilience needed for keycap is provided.In space bar, prominent plantation rubber is usually that corresponding keycap middle part position is set to two scissors
It is set between keycap and bottom plate between foot support and in a manner of precompressed, therefore intermediate position protuberance is integrally presented in keycap, so that
When user presses the two sides position of keycap, when the position that keycap is depressed by a user has reached its extreme lower position, in keycap
Between position still be not up to its extreme lower position, that is, keycap among position can not generate enough amounts of moving down with trigger switch, cause
The secondary pressing operation failure.The balance bar of space bar is previously used for because having longer length, rigidity has often been not enough to
Overcome the problems, such as entirely aforementioned keycap because plantation rubber it is prominent caused by in-between position protuberance.In addition, scissors foot support and balance bar with
Cooperation between keycap and bottom plate there are fit tolerance or gap so that the assembling and actuation of key are smooth, but this fit tolerance or
Gap makes foregoing problems more shape serious.Therefore, in the key at present with longer keycap, though often there is user to press keycap
But can not trigger switch situation (such as only press space bar keycap two sides), cause user input puzzlement.
Summary of the invention
In view of the problems in prior art, the present invention provides a kind of press-key structure, asymmetrical flat using two structures
Weigh rod piece, is connected between keycap and bottom plate, so that the amount of moving down at the relatively intermediate position of keycap is greater than two sides when pushing keycap
The amount of moving down at position.
To solve the above-mentioned problems, the present invention proposes a kind of press-key structure, includes: bottom plate, keycap, elevating mechanism, reply
Power generates component, the first balance bar and the second balance bar.Keycap is set on the bottom plate；Elevating mechanism is connected to this
Between bottom plate and the keycap, enable the keycap by the elevating mechanism to move up and down relative to the bottom plate；Restoring force generates
Component is set between the bottom plate and the keycap；First balance bar includes that first connecting rod, the first galianconism and first are long-armed, should
First galianconism and the first long-armed ends for being connected to the first connecting rod, the knot so that first balance bar is in U-shape
Structure, first balance bar are pivotally connected with the first connecting rod and the keycap, and the free end of first galianconism is rotatably and can
It is slidably coupled to the bottom plate, which rotatably and is slidably attached to the bottom plate, this first
Long-armed generate with the restoring force is less than first galianconism at a distance from restoring force generation inter-module at a distance from inter-module；Second is flat
The rod piece that weighs includes the second connecting rod, the second galianconism and second long-armed, second galianconism and this second long-armed be connected to this and second connect
The ends of extension bar, the structure so that second balance bar is in U-shape, second balance bar is with second connecting rod and is somebody's turn to do
Keycap pivot joint, the free end of second galianconism rotatably and are slidably attached to the bottom plate, the second long-armed freedom
End rotatably and is slidably attached to the bottom plate, this second long-armed generates that be less than at a distance from inter-module should with the restoring force
Second galianconism and the restoring force generate at a distance from inter-module, this first it is long-armed and this second it is long-armed be located at first galianconism and this
Between two galianconism.
As optional technical solution, the keycap is in long strip and has length direction and width direction, first balance
Rod piece and second balance bar are arranged in the two sides of restoring force generation component in the length direction.
As optional technical solution, the first connecting rod and second connecting rod are articulated in the keycap in the width direction
Two sides or same side.
As optional technical solution, which further includes third balance bar and the 4th balance bar, should
Third balance bar and first balance bar are relatively arranged between the keycap and the bottom plate, which includes the
Three connecting rods, third galianconism and third are long-armed, the third galianconism and third is long-armed is connected to opposite the two of the third connecting rod
End, the structure so that the third balance bar is in U-shape, the third balance bar are pivotally connected with the third connecting rod and the keycap, should
The free end of third galianconism rotatably and is slidably attached to the bottom plate, and the long-armed free end of the third is rotatably
And it is slidably attached to the bottom plate；4th balance bar and second balance bar are relatively arranged on the keycap and the bottom plate
Between, the 4th balance bar includes the 4th connecting rod, the 4th galianconism and the 4th long-armed, the 4th galianconism and the 4th long-armed company
Be connected to the ends of the 4th connecting rod the structure so that the 4th balance bar is in U-shape, the 4th balance bar with this
Four connecting rods and the keycap are pivotally connected, and the free end of the 4th galianconism rotatably and is slidably attached to the bottom plate, this
Four long-armed free ends rotatably and are slidably attached to the bottom plate.
As optional technical solution, the third balance bar is identical as the structure of first balance bar, the Siping City
The rod piece that weighs is identical as the structure of second balance bar.
As optional technical solution, first balance bar is identical as the structure of second balance bar.
As optional technical solution, which generates the lower section that component is located at the keycap centre.
As optional technical solution, which further includes switch, which is set to restoring force generation
Below component, wherein the restoring force generates component and dashes forward for Elastic Circular, and when the keycap is mobile towards the bottom plate, which squeezes should
Restoring force generates component to trigger the switch.
As optional technical solution, the first connecting rod, first galianconism and this is first long-armed non-coplanar.
As optional technical solution, the keycap is in long strip and has length direction and width direction, first balance
Bar and second balancing pole are staggered in the length direction.
Relative to prior art, press-key structure of the invention utilizes two asymmetrical balance bars of structure, so that under
When pressing keycap, no matter user presses that position of the keycap, and the amount of moving down at the relatively intermediate position of keycap is greater than two sides position
The amount of moving down, and then effectively solve the problems, such as that the two sides that space bar keycap is only pressed in prior art but can not trigger switch.
Below in conjunction with the drawings and specific embodiments, the present invention will be described in detail, but not as a limitation of the invention.
Detailed description of the invention
Fig. 1 is the schematic diagram to be exploded according to the press-key structure part of one embodiment of the invention.
Fig. 2 is the explosive view of the press-key structure of Fig. 1.
Fig. 3 is that the press-key structure of Fig. 1 removes the top view of its keycap and elevating mechanism.
Fig. 4 is the configuration schematic diagram of the first balance bar and the second balance bar according to another embodiment in Fig. 3.
Fig. 5 is the configuration schematic diagram of the first balance bar and the second balance bar according to another embodiment in Fig. 3.
Fig. 6 is the configuration schematic diagram of the first balance bar and the second balance bar according to another embodiment in Fig. 3.
Fig. 7 is the configuration schematic diagram of the first balance bar and the second balance bar according to another embodiment in Fig. 3.
Fig. 8 is the side view of the first balance bar of Fig. 1.
Fig. 9 is the schematic diagram to be exploded according to the press-key structure part of another embodiment of the present invention.
Figure 10 is that the press-key structure of Fig. 9 removes the top view of its keycap and elevating mechanism.
Figure 11 is the configuration schematic diagram of the first balance bar and the second balance bar according to another embodiment in Figure 10.
Specific embodiment
The explanation of following embodiment is to can be used to the particular implementation of implementation to illustrate the present invention with reference to additional schema
Example.The direction term that the present invention is previously mentioned, such as "upper", "lower", "front", "rear", "left", "right", " side " etc. are only references
The direction of annexed drawings.Therefore, the direction term used is to illustrate and understand the present invention, rather than to limit the present invention.
In the examples below, in various figures, same section is to be given the same reference numerals.
Fig. 1 is please referred to Fig. 2.The press-key structure 1 of an embodiment according to the present invention includes bottom plate 10, keycap 12, lifting
Mechanism 14, restoring force generate component 16, the first balance bar 18, the second balance bar 20 and film circuit board 22.Keycap 12 is set
It is placed on bottom plate 10.Elevating mechanism 14 is connected between bottom plate 10 and keycap 10, enables keycap 10 through elevating mechanism 14
To be moved up and down relative to bottom plate 10.Restoring force generates component 16 and is set between bottom plate 10 and keycap 12, when keycap 10 is pressed
After pressure, restoring force, which generates component 16, to apply a restoring force to keycap 12, to drive keycap 12 to return to original position, i.e., keycap 12 not by
The location of when pressing.First balance bar 18 and the second balance bar 20 are respectively connected between bottom plate 10 and keycap 10,
To enhance the mutual gearing between each position of keycap 10.Film circuit board 22 is stacked and placed on bottom plate 10 and includes switch 222 (to have
Hachure circle is shown in Fig. 2), when keycap 12 is pressed, switch 222 can be triggered.
Wherein, in this present embodiment, elevating mechanism 14 includes two scissors foot supports, to simplify drawing, scissors foot support
Rectangular block is found expression in figure, and (it includes in principle for scissors foot support implementation that CONSTRUCTED SPECIFICATION can be often used by general key
Two brackets being mutually pivotally connected, each bracket are connected between bottom plate 10 and keycap 12), it does not repeat separately.In addition, bottom plate 10
And the corresponding elevating mechanism 14 of keycap 12, comprising connection structure to connect with elevating mechanism 14, to simplify drawing, aforementioned connection is tied
Structure (and the hollow out formed for the exposing of 10 connection structure of bottom plate of film circuit board 22) is not illustrated in figure, is tied
Structure details can refer to the general key with scissors foot support, not repeat separately.But the present invention is not limited；Such as in other
It is used to support keycap in key and the supporting structure for providing keycap up and down motion also may replace scissors foot support above-mentioned.
In addition, in this present embodiment, restoring force generates component 16 and dashes forward for Elastic Circular, energy flexible deformation simultaneously generates rebound
Power is usually made with rubber material.Restoring force generates component 16 and is set on film circuit board 22 to inductive switch 222, so that working as
When keycap 12 is mobile towards bottom plate 10 by pressed by external force, keycap 12 can squeeze restoring force and generate component 16 so that restoring force generates
16 trigger switch 222 of component.When the external force disappears, the restoring force of flexible deformation generates screen resilience caused by component 16
As the restoring force for being applied to keycap 12, to drive keycap 12 to return to original position.But the present invention is not limited；Such as restoring force
Component 16 is generated with spring implementation, and is downwardly extending protrusion in 12 lower surface of keycap, protrudes into the spring hollow space,
To the trigger switch 222 when the spring is compressed.In addition, restoring force generates component 16 usually with precompressed in practical operation
Mode is arranged, so that restoring force generates component 16 always upwards tight against keycap 12, the corresponding restoring force of keycap 12 is caused to generate component
16 position may swell upwards, but invention is not limited thereto.For example, restoring force generates, component 16 is non-to be set in a manner of precompressed
It sets；At this point, the corresponding restoring force of keycap 12 generates will not be grand upwards on the place principle of component 16 when keycap 12 is not pressed
It rises.
In addition, in this present embodiment, switch 222 is realized by film circuit board 22, film circuit board 22 its usually by three
Layer transparent sheet is stacked to be formed, wherein upper and lower transparent sheet forms conducting wire thereon, and intermediate transparent sheet provides this and leads
The insulation of electric line, the conducting wire form switch 22；But invention is not limited thereto, such as switch 222 is with stand-alone assembly (example
Such as touch switch) implementation, it is solderable to be connected on printed circuit board (being stacked and placed on bottom plate 10) or be directly arranged at bottom plate 10 simultaneously separately
Outside with the electric connection of electric wire implementation.
Referring to Fig. 3, wherein being represented by dotted lines the profile of keycap 12 in Fig. 3.In this present embodiment, the first balance
Rod piece 18 includes first connecting rod 182, the first galianconism 184 and first long-armed 186, and the first galianconism 184 and first long-armed 186 is distinguished
It is connected to 182 ends 182a, 182b of first connecting rod, so that the substantially u-shaped structure of the first balance bar 18.First is flat
The rod piece 18 that weighs is pivotally connected with first connecting rod 182 and keycap 12, and the free end 184a of the first galianconism 184 is rotatably and slidably
Ground is connected to bottom plate 10, and first long-armed 186 free end 186a rotatably and is slidably attached to bottom plate 10.In first
On the extending direction of connecting rod 182, first long-armed 186 with restoring force generate component 16 between distance Ld1 less than the first galianconism 184
The distance Sd1 between restoring force generation component 16, as shown in Figure 3；Therefore, the first long-armed 186 to the first galianconism, 184 arm is neighbouring returns
Multiple power generates component 16 and is arranged.Wherein, there is the corresponding first connecting rod 182 of keycap 12 pin-jointed structure 122 (to be illustrated in hidden line
In Fig. 1 and Fig. 2), with two C-shaped hooks, hook handles first connecting rod 182, and first connecting rod 182 can be via pin-jointed structure
122 rotate relative to keycap 12.The corresponding free end 184a of bottom plate 10 has a sliding slot 102a, and free end 184a is with L shape knot
Structure rotatably and is slidably disposed in sliding slot 102a；The corresponding free end 186a of bottom plate 10 has sliding slot 102b, freely
End 186a rotatably and is slidably disposed in sliding slot 102b with L-shaped structure.Aforementioned sliding slot 102a, 102b are from thin
The hollow out of membrane circuit board 22 is exposed.Whereby, when the first balance bar 18 due to keycap 12 is pressed towards bottom plate 10 rotate when, because
Be greater than the length of the first galianconism 184 for first long-armed 186 length, thus first long-armed 186 with the connection of first connecting rod 182
The amount of moving down at place can be greater than the amount of moving down of the first galianconism 184 and the junction of first connecting rod 182；In other words, keycap 12 at this time
Corresponding first long-armed 186 can be greater than keycap 12 corresponding first with the amount of moving down of 12 part of keycap of 182 junction of first connecting rod
The amount of moving down of the part of galianconism 184 and 182 junction of first connecting rod.Therefore, for the visual angle of Fig. 3, even if user presses
The left side of keycap 12, the part that the corresponding restoring force of keycap 12 generates component 16 remains to generate enough amounts of moving down to be squeezed back with effective
Multiple power generates component 16 with trigger switch 222.
Second balance bar 20 includes the second connecting rod 202, the second galianconism 204 and second long-armed 206, the second galianconism 204
And second long-armed 206 be connected to 202 ends 202a, 202b of the second connecting rod, so that the second balance bar 20 is substantially in U
Shape structure.Second balance bar 20 is pivotally connected with the second connecting rod 202 with keycap 12, and the free end 204a of the second galianconism 204 can
Rotatably and it is slidably attached to bottom plate 10, second long-armed 206 free end 206a rotatably and is slidably connected
To bottom plate 10.In on the extending direction of the second connecting rod 202, second long-armed 206 with restoring force generate component 16 between distance Ld2
Distance Sd2 between component 16 is generated less than the second galianconism 204 and restoring force, as shown in Figure 3；Therefore, second long-armed 206 to the second
204 arm of galianconism generates component 16 adjacent to restoring force and is arranged.Wherein, likewise, corresponding second connecting rod 202 of keycap 12 has pivot joint
Structure 124 (is illustrated in Fig. 1 and Fig. 2) with hidden line, and with two C-shaped hooks, hook handles the second connecting rod 202, and second connects
Extension bar 202 can be rotated via pin-jointed structure 124 relative to keycap 12.The corresponding free end 204a of bottom plate 10 has sliding slot 104a,
Free end 204a rotatably and is slidably disposed in sliding slot 104a with L-shaped structure；Bottom plate 10 corresponds to free end
There is 206a sliding slot 104b, free end 206a rotatably and to be slidably disposed in sliding slot 104b with L-shaped structure.Before
Sliding slot 104a, 104b is stated to expose from the hollow out of film circuit board 22.Whereby, when the second balance bar 20 because keycap 12 is pressed
And towards bottom plate 10 rotate when because second long-armed 206 length be greater than the second galianconism 204 length, second long-armed 206
Moving down for the second galianconism 204 and the junction of the second connecting rod 202 can be greater than with the amount of moving down of the junction of the second connecting rod 202
Amount；In other words, the amount of moving down of 12 part of keycap of keycap 12 corresponding second long-armed 206 and 202 junction of the second connecting rod at this time
The amount of moving down of the part of corresponding second galianconism 204 of keycap 12 and 202 junction of the second connecting rod can be greater than.Therefore, with the view of Fig. 3
For angle, even if user presses the right side of keycap 12, the part that the corresponding restoring force of keycap 12 generates component 16 remains to generate enough
The amount of moving down with effectively squeeze restoring force generate component 16 with trigger switch 222.In this present embodiment, first long-armed 186 and
Two long-armed 206 between the first galianconism 184 and the second galianconism 204, therefore, in principle no matter user press keycap 12 which
One position is also restrained by the first balance bar 18 and the second balance bar 20 while keycap 12 moves down, is driven, makes
Obtaining the part that the corresponding restoring force of keycap 12 generates component 16 can generate enough amounts of moving down effectively to squeeze restoring force generation group
Part 16 is with trigger switch 222.
In addition, in this present embodiment, keycap 12 (such as press-key structure 1 is space bar) in long strip and there is length direction
12a and width direction 12b.As shown in figure 3, the first balance bar 18 and the second balance bar 20 are arranged in length direction 12a
Restoring force generates the two sides of component 16, and first connecting rod 182 and the second connecting rod 202 are articulated in keycap in width direction 12b
12 two sides.This configuration facilitates the structure that the first balance bar 18 and the second balance bar 20 provide balance to keycap 12 and arrests
Beam, but invention is not limited thereto.For example, as shown in figure 4, first connecting rod 182 and the second connecting rod 202 are in width direction
12b is articulated in the same side of keycap 12, this configuration remains to make keycap 12 when being pressed, the corresponding restoring force generation group of keycap 12
The part of part 16 can generate enough amounts of moving down effectively to squeeze restoring force and generate component 16 with trigger switch 222.In addition, in this
In embodiment, the first balance bar 18 and the second balance bar 20 are separately positioned in restoring force in length direction 12a and generate component
16 two sides, but invention is not limited thereto.For example, as shown in figure 5, the first balance bar 18 and the second balance bar 20 are in length
Degree direction 12a is staggered, this configuration also can make keycap 12 when being pressed, and the corresponding restoring force of keycap 12 generates the portion of component 16
Enough amounts of moving down can be generated by dividing.In addition, in this present embodiment, 20 structure phase of the first balance bar 18 and the second balance bar
Together, but invention is not limited thereto.For example, as shown in fig. 6, the first balance bar 18 and the second balance bar 20 structure are different,
This configuration also can make keycap 12 when being pressed, and the part that the corresponding restoring force of keycap 12 generates component 16 can generate enough move down
Amount.In addition, in this present embodiment, the first galianconism 184 and the second galianconism 204 are adjacent to keycap 12 in the two sides of length direction 12a
Setting, and the first balance bar 18 and 20 structure of the second balance bar are identical, so that restoring force generates 16 essence of component and is located at key
The lower section in 12 centre of cap, but invention is not limited thereto.For example, even if restoring force generates component, 16 essence is located at keycap 12
The lower section in centre, through the first galianconism 184 and the non-neighbouring keycap 12 of the second galianconism 204 in the side of length direction 12a
Setting, i.e. the first balance bar 18 and 20 structure of the second balance bar can be different.In another example as shown in fig. 7, even if restoring force produces
Raw 16 essence of component be located at the lower section in 12 centre of keycap and the first galianconism 184 and the neighbouring keycap 12 of the second galianconism 204 in
The side of length direction 12a is arranged, and staggeredly sets through the first balance bar 18 and the second balance bar 20 in length direction 12a
It sets, the first balance bar 18 and 20 structure of the second balance bar also can be different.It, can be according to being described above in practical operation, first is flat
Weighing apparatus rod piece 18 and the second balance bar 20, which can be changed, dissolves different configurations, does not repeat separately.
In addition, each figure shows that the length of the first galianconism 184 and first long-armed 186 is only illustrated, in practical operation, first is short
The length of arm 184 and first long-armed 186 can pass through the position of first galianconism of the correspondence of keycap 12 184 and first long-armed 186 for having
Effect trigger switch 222 needed for the amount of moving down and determine.If such as the intermediate position (phase of keycap 12 of corresponding embodiment shown in FIG. 1
When the position for generating component 16, first long-armed 186 in corresponding restoring force) need to move down 2.00mm begin can effective trigger switch 222, and
When the amount of moving down that 12 left side position of keycap (position for being equivalent to corresponding first galianconism 184) is allowed is 1.80mm, first is long-armed
186 length may be designed as 2.00/1.80 times of the length more than or equal to the first galianconism 184.Also, and if considering practical operation
For keycap 12 caused by the fit tolerance of each inter-module of middle press-key structure 1 when side is pressed, other positions of keycap 12 are not
When can make problem (i.e. keycap 12, which cannot keep, horizontally moves down) of the movement of same amount, first long-armed 186 length is short to first
The multiple of the length of arm 184 may be designed as significantly greater than 2.00/1.80 times, to compensate this amount of moving down difference.It is set in actual product
In meter, the Design of length of the first long-armed 186 and first galianconism 184 can be obtained after simply attempting suitable based on aforementioned principle
Suitable length value.Mentioned length design principle is also applicable to the Design of length of the second galianconism 204 and second long-armed 206, no longer
It repeats.
In addition, and refering to the side view of the first balance bar 18 shown in Fig. 8, first connecting rod 182, first can be observed
Galianconism 184 and the first long-armed 186 non-coplanar, keycap 12 that this structure substantially still keeps horizontality to be arranged suitable for entirety.Principle
On, the first galianconism 184 and first long-armed 186 length difference can make the different positions of keycap 12 generate different displacements
Effect, be not limited so that the first galianconism 184 and first long-armed 186 are coplanar.In addition, in this present embodiment, the first galianconism 184 and
One long-armed 186 is each perpendicular to first connecting rod 182.
It includes that (i.e. the first balance bar 18 and second is flat for two balance bars that foregoing embodiments, which are based on press-key structure 1,
Weighing apparatus rod piece 20) and illustrate, but invention is not limited thereto.Please refer to Fig. 9 and Figure 10.Press-key structure shown in Fig. 93 with by bond
1 structure of structure is roughly the same, therefore press-key structure 3 continues to use the component symbol of press-key structure 1, therefore other explanations about press-key structure 3
The related description for seeing the component of identical name in press-key structure 1, does not repeat separately.Press-key structure 3 is main poor with press-key structure 1
It is different to be that press-key structure 3 further includes third balance bar 24 and the 4th balance bar 26, third balance bar 24 and first
Balance bar 18 is relatively arranged between keycap 12 and bottom plate 10, and third balance bar 24 is short comprising third connecting rod 242, third
Arm 244 and third long-armed 246, third galianconism 244 and third long-armed 246 are connected to the ends of third connecting rod 242, make
The substantially u-shaped structure of third balance bar 24 is obtained, third balance bar 24 is pivotally connected with third connecting rod 242 and keycap 12, third
The free end 244a of galianconism 244 rotatably and is slidably attached to bottom plate 10, the free end 246a of third long-armed 246
Rotatably and it is slidably attached to bottom plate 10.In this present embodiment, third balance bar 24 and the first balance bar 18
Structure is identical, therefore other explanations about third balance bar 24 see the related description of the first balance bar 18, do not go to live in the household of one's in-laws on getting married separately
It states.
4th balance bar 26 and the second balance bar 20 are relatively arranged between keycap 12 and bottom plate 10, the 4th balancing pole
Part 26 includes the 4th connecting rod 262, the 4th galianconism 264 and the 4th long-armed 266, and the 4th galianconism 264 and the 4th long-armed 266 is connected to
The ends of 4th connecting rod 262, so that the substantially u-shaped structure of the 4th balance bar 26, the 4th balance bar 26 is with
Four connecting rods 262 are pivotally connected with keycap 12, and the free end 264a of the 4th galianconism 264 rotatably and is slidably attached to bottom plate
10, the 4th long-armed 266 free end 266a rotatably and are slidably attached to bottom plate 10.In this present embodiment, the 4th
Balance bar 26 is identical as the structure of the second balance bar 20, therefore other explanations about the 4th balance bar 26 see second
The related description of balance bar 20, does not repeat separately.
In this present embodiment, restoring force generates the lower section that 16 essence of component is located at 12 centre of keycap, the first balancing pole
Part 18, the second balance bar 20, third balance bar 24 and 26 structure of the 4th balance bar are identical and arranged symmetrically, but the present invention
It is not limited.In practical operation, the first balance bar 18, the second balance bar 20, third balance bar 24 and the 4th balance
Rod piece 26 can also cooperate actual product and take different configurations, as shown in figure 11.It is balanced about the first balance bar 18, second
The variation of the other configurations of rod piece 20, third balance bar 24 and the 4th balance bar 26, can be based on previously for press-key structure 1
In the first balance bar 18 and the second balance bar 20 setting variation and realize, do not repeat separately.
Press-key structure of the invention, using two asymmetrical balance bars of structure, so that no matter making when pushing keycap
User presses that position of the keycap, and the amount of moving down at the relatively intermediate position of keycap is greater than the amount of moving down at two sides position, and then effectively
Solve the problems, such as that the two sides that space bar keycap is only pressed in prior art but can not trigger switch.
By the above detailed description of preferred embodiments, it is intended to more clearly describe feature and spirit of the invention,
And not protection scope of the present invention is limited with above-mentioned disclosed preferred embodiment.On the contrary, its purpose
It is intended to cover various changes and has being arranged in the scope of protection of the claims of the invention to be applied of equality.Cause
This, the applied scope of protection of the claims of the present invention should illustrate the most wide explanation of work according to above-mentioned, to cause it
Cover the arrangement of all possible change and tool equality.
Claims (9)
1. a kind of press-key structure, it is characterised in that include:
Bottom plate；
Keycap is set on the bottom plate；
Elevating mechanism is connected between the bottom plate and the keycap, enables the keycap by the elevating mechanism relative to the bottom
Plate moves up and down；
Restoring force generates component, is set between the bottom plate and the keycap；
First balance bar includes first connecting rod, the first galianconism and first long-armed, first galianconism and first long-armed connection
To the ends of the first connecting rod the structure so that first balance bar is in U-shape, first balance bar with this first
Connecting rod and the keycap are pivotally connected, and the free end of first galianconism rotatably and is slidably attached to the bottom plate, this first
Long-armed free end rotatably and is slidably attached to the bottom plate, this first long-armed generates inter-module with the restoring force
Distance is less than first galianconism and generates at a distance from inter-module with the restoring force；And second balance bar, comprising the second connecting rod,
Second galianconism and second long-armed, second galianconism and second long-armed ends for being connected to second connecting rod, so that
Second balance bar is in U-shape structure, which is pivotally connected with second connecting rod and the keycap, second galianconism
Free end rotatably and is slidably attached to the bottom plate, and the second long-armed free end is rotatably and slideably
It is connected to the bottom plate, which is less than second galianconism and restoring force generation at a distance from inter-module
The distance of inter-module, this is first long-armed and this is second long-armed between first galianconism and second galianconism；
Wherein, the keycap is in long strip and has length direction and width direction, first balance bar and second balancing pole
Part is arranged in the two sides that the restoring force generates component in the length direction.
2. press-key structure according to claim 1, it is characterised in that: the first connecting rod and second connecting rod are in the width
Degree direction is articulated in the two sides or same side of the keycap.
3. press-key structure according to claim 1, it is characterised in that: the press-key structure further includes third balance bar
And the 4th balance bar, the third balance bar and first balance bar are relatively arranged between the keycap and the bottom plate, it should
Third balance bar includes that third connecting rod, third galianconism and third are long-armed, the third galianconism and third is long-armed is connected to this
The ends of third connecting rod, the structure so that the third balance bar is in U-shape, the third balance bar is with third connection
Bar and the keycap are pivotally connected, and the free end of the third galianconism rotatably and is slidably attached to the bottom plate, and the third is long-armed
Free end rotatably and be slidably attached to the bottom plate；The second balance bar is opposite sets with this for 4th balance bar
It being placed between the keycap and the bottom plate, the 4th balance bar includes that the 4th connecting rod, the 4th galianconism and the 4th are long-armed, and the 4th
Galianconism and the 4th long-armed ends for being connected to the 4th connecting rod, the structure so that the 4th balance bar is in U-shape should
4th balance bar is pivotally connected with the 4th connecting rod and the keycap, and the free end of the 4th galianconism is rotatably and slideably
It is connected to the bottom plate, the 4th long-armed free end rotatably and is slidably attached to the bottom plate.
4. press-key structure according to claim 3, it is characterised in that: the third balance bar and first balance bar
Structure is identical, and the 4th balance bar is identical as the structure of second balance bar.
5. press-key structure according to claim 1, it is characterised in that: first balance bar and second balance bar
Structure is identical.
6. press-key structure according to claim 1, it is characterised in that: the restoring force generates component and is located at the keycap central part
The lower section of position.
7. press-key structure according to claim 1, it is characterised in that: the press-key structure further includes switch, the switch
It is set to the restoring force to generate below component, wherein it is prominent for Elastic Circular to generate component for the restoring force, when the keycap is towards the bottom plate
When mobile, which squeezes the restoring force and generates component to trigger the switch.
8. press-key structure according to claim 1, it is characterised in that: the first connecting rod, first galianconism and this first
It is long-armed non-coplanar.
9. press-key structure according to claim 1, it is characterised in that: the keycap is in long strip and has length direction and width
Direction is spent, first balancing pole and second balancing pole are staggered in the length direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710883338.XA CN107768163B (en) | 2017-09-26 | 2017-09-26 | Press-key structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710883338.XA CN107768163B (en) | 2017-09-26 | 2017-09-26 | Press-key structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107768163A CN107768163A (en) | 2018-03-06 |
| CN107768163B true CN107768163B (en) | 2019-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710883338.XA Active CN107768163B (en) | 2017-09-26 | 2017-09-26 | Press-key structure |
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| CN (1) | CN107768163B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114267553A (en) * | 2020-09-16 | 2022-04-01 | 重庆达方电子有限公司 | Push-button |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM400024U (en) * | 2010-10-22 | 2011-03-11 | Darfon Electronics Corp | Longitudinal keyswitch and keyboard |
| CN204464129U (en) * | 2015-01-26 | 2015-07-08 | 群光电子(苏州)有限公司 | Button |
| CN106328412A (en) * | 2015-06-23 | 2017-01-11 | 致伸科技股份有限公司 | Keyboard module and key |
| CN105609354A (en) * | 2015-09-02 | 2016-05-25 | 袁建平 | Balancing lever setting method for magnetic keyboard |
| CN206505840U (en) * | 2017-01-24 | 2017-09-19 | 江苏传艺科技股份有限公司 | Balanced structure for keyboard long keying |
| CN107134387A (en) * | 2017-06-13 | 2017-09-05 | 苏州达方电子有限公司 | A kind of keyboard |
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2017
- 2017-09-26 CN CN201710883338.XA patent/CN107768163B/en active Active
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| Publication number | Publication date |
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| CN107768163A (en) | 2018-03-06 |
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