CN109545600A - Mechanical key structure - Google Patents
Mechanical key structure Download PDFInfo
- Publication number
- CN109545600A CN109545600A CN201710867640.6A CN201710867640A CN109545600A CN 109545600 A CN109545600 A CN 109545600A CN 201710867640 A CN201710867640 A CN 201710867640A CN 109545600 A CN109545600 A CN 109545600A
- Authority
- CN
- China
- Prior art keywords
- trigger switch
- frame
- button cap
- support plate
- key structure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- 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
- H01H13/702—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 with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches
- H01H13/705—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 with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches characterised by construction, mounting or arrangement of operating parts, e.g. push-buttons or keys
Abstract
The invention discloses a kind of mechanical key structures, including support plate, trigger switch, button cap and flexible element.Trigger switch is located at the top of support plate, and button cap is located at the top of trigger switch, can receive external force and pushes against trigger switch.Flexible element is set on an inner surface of button cap, and can be contacted with trigger switch and deformation occurs.When flexible element and trigger switch contact, trigger switch is partially protruded into the flexible element that deformation occurs, to limit the sliding of trigger switch.Therefore, mechanical key structure, which can provide better, presses feel.
Description
Technical field
The present invention relates to a kind of press-key structures, more particularly to about the press-key structure using scissor connecting element.
Background technique
Common computer peripheral input unit includes mouse, keyboard and trace ball etc., and wherein keyboard can directly key in text
Word and symbol give computer, therefore the attention quite by user and input unit manufacturer.Wherein, relatively conventional is one
Kind includes the keyboard of scissor connecting element.
Will be illustrated next include scissor connecting element keyboard framework, by taking the press-key structure in keyboard as an example for
It is bright.Referring to Fig. 1, it is the diagrammatic cross-sectional side elevation of existing press-key structure.Existing press-key structure 1 includes button cap 11, scissors
Formula connecting element 12, elastic rubbery body 13, film switch circuit 14 and bottom plate 15, and bottom plate 15 to carry button cap 11,
Scissor connecting element 12, elastic rubbery body 13 and film switch circuit 14.Wherein scissor connecting element 12 is to connect
Bottom plate 15 and button cap 11.
Film switch circuit 14 has plural press-button contact (not shown in the figures).Press-button contact output when being triggered
Corresponding push button signalling.Elastic rubbery body 13 is set on film switch circuit 14 and an elastic rubbery body 13 corresponds to one
A press-button contact, when elastic rubbery body 13 is touched, deformation occurs and presses in film switch circuit 14 for elastic rubbery body 13
Corresponding press-button contact and generate push button signalling.
Scissor connecting element 12 is between bottom plate 15 and button cap 11 and is separately connected the two.Scissor connection member
Part 12 includes the first frame 121 and the second frame 122.The first end of first frame 121 is connected to button cap 11, and the first frame
The second end of frame 121 is then connected to bottom plate 15.Elastic rubbery body 13 is surround by scissor connecting element 12.In addition, the first frame
121 include the first button cap jack-post 1211 and the first bottom plate jack-post 1212.First frame 121 passes through the first button cap jack-post
1211 and be connected to button cap 11, and be connected to bottom plate 15 using the first bottom plate jack-post 1212.And the second frame 122 and
One frame 121 combines, and the first end of the second frame 122 is connected to bottom plate 15, the second end of the second frame 122 be then connected to by
Keycap 11.Wherein, the second frame 122 includes the second button cap jack-post 1221 and the second bottom plate jack-post 1222.Second frame 122
It is connected to button cap 11 by its second button cap jack-post 1221, and is connected to bottom plate using the second bottom plate jack-post 1222
15。
The operation situation that existing press-key structure 1 is pressed by user will be illustrated next.In Fig. 1, when user presses key
When cap 11,11 stress of button cap and pushing against scissor connecting element 12 makes its movement, therefore button cap 11 can be past relative to bottom plate 15
Lower movement and press corresponding elastic rubbery body 13.At this point, deformation occurs and presses film switch circuit for elastic rubbery body 13
14 to trigger the press-button contact of film switch circuit 14, so that film switch circuit 14 exports corresponding push button signalling.And work as
User stops when pressing button cap 11, the no longer stress of button cap 11 and stop pressing elastic rubbery body 13 so that elastic rubber
Body 13 restores to the original state in response to its elasticity, while providing elastic restoring force up, therefore button cap 11 is pushed back touched
Position before.
In addition to it is above-mentioned use the keyboard of scissor connecting element other than, existing further includes having mechanical key structure
Keyboard.Referring to Fig. 2, it is the structural blast schematic diagram of existing machinery formula press-key structure.Existing machinery formula press-key structure 2 includes
Button cap 21, scissor connecting element 22, trigger switch 23, circuit board 24 and bottom plate 25, and bottom plate 25 can be by scissor
Connecting element 22 and be connected to button cap 21.Circuit board 24 is set to the lower section of bottom plate 25, can carry trigger switch 23 and with
Trigger switch 23 is electrically connected, and trigger switch 23 passes through bottom plate 25 and scissor connecting element 22 and connects with button cap 21
Touching.After above-mentioned each element combines, each element of press-key structure 2 is sequentially button cap 21, scissor connecting element from top to bottom
22, bottom plate 25 and circuit board 24, and trigger switch 23 is set between button cap 21 and circuit board 24.Wherein, existing machinery
Formula press-key structure 2 replaces elastic rubbery body 13 and film switch circuit 14 with trigger switch 23 and circuit board 24.
Since the sound of collision can be issued when trigger switch 23 is triggered by button cap 21, user can be given and pressed really
Feedback sense, therefore trigger switch 23 is liked by certain users.However, when pressing button cap 21, trigger switch 23
Internal metal material and plastic material collision, so that existing machinery formula press-key structure 2 can be given, user is stiff to be pressed
Feel.In addition, during existing machinery formula press-key structure 2 operates, feelings that the upper half of trigger switch 23 can be slided
Shape, can further influence existing machinery formula press-key structure 2 presses feel, and reduces its collision sound.
The mechanical key structure for pressing feel can be improved therefore, it is necessary to one kind.
Summary of the invention
The mechanical key structure for pressing feel can be improved the purpose of the present invention is to provide one kind.
In a preferred embodiment, the present invention provides a kind of mechanical key structure, including a support plate, a triggering are opened
Pass, a button cap and a flexible element.The trigger switch is located at the top of the support plate, to be touched in response to an external force
Hair, and the button cap is located at the top of the trigger switch, pushes against the trigger switch to receive the external force.The flexible element is set
It is placed on an inner surface of the button cap, and can be contacted with the trigger switch and deformation occurs；Wherein, when the flexible element and this
When trigger switch contacts, which is partially protruded into the flexible element that deformation occurs, to limit the cunning of the trigger switch
It is dynamic.
In a preferred embodiment, the present invention also provides a kind of mechanical key structure, including a support plate, a triggering are opened
Pass and a button cap.The trigger switch is located at the top of the support plate, to be triggered in response to an external force.The button cap position
In the trigger switch top and contacted with the trigger switch, push against the trigger switch to receive the external force.Wherein, this is pressed
Keycap has a recessed portion, is set on an inner surface of the button cap, and can contact with the trigger switch, and the trigger switch
It partially protrudes into the recessed portion, to limit the sliding of the trigger switch.
In short, mechanical key structure setting of the present invention corresponds to the flexible material of bump portion in button cap and triggering
Between switch, alternatively, corresponding to the recessed portion of bump portion in setting on the inner surface of button cap, to limit the salient point of trigger switch
Portion can only vertically move in the range of flexible material or recessed portion, therefore can improve the situation that trigger switch is slided.Therefore,
Mechanical key structure of the present invention, which can provide, good presses feel.
Detailed description of the invention
Fig. 1 is the diagrammatic cross-sectional side elevation of existing press-key structure.
Fig. 2 is the structural decomposition diagram of existing machinery formula press-key structure.
Fig. 3 is structural decomposition diagram of the mechanical key structure of the present invention in the first preferred embodiment.
Fig. 4 is mechanical key structure of the present invention partial structurtes diagrammatic cross-sectional side elevation in the first preferred embodiment.
Fig. 5 is structural decomposition diagram of the mechanical key structure of the present invention in the second preferred embodiment.
Fig. 6 is partial structurtes decomposition diagram of the mechanical key structure of the present invention in the second preferred embodiment.
Fig. 7 is mechanical key structure of the present invention partial structurtes diagrammatic cross-sectional side elevation in the first preferred embodiment.
[symbol description]
1 press-key structure, 2,3,4 mechanical key structure
11, the scissor connecting element of 21,31,41 button cap 12,22,32,42
13 elastic rubbery body, 14 film switch circuit
15,25 bottom plate, 23,33,43 trigger switch
24,34,44 circuit board, 35,45,55 support plate
36 flexible element, 121,321,421 first frame
122, the inner surface of 322,422 second frames 311,412 button caps
331 bump portion, 351 support plate aperture
411 recessed portion, 1,211 first button cap jack-post
1212 first bottom plate jack-post, 1,221 second button cap jack-post
1222 second bottom plate jack-posts 3211,4211 frame apertures
Specific embodiment
The present invention, which provides one kind, can improve the mechanical key structure for pressing feel, to solve prior art problem.It please join
Fig. 3 is read, is structural decomposition diagram of the mechanical key structure of the present invention in the first preferred embodiment.Mechanical key knot
Structure 3 includes button cap 31, scissor connecting element 32, trigger switch 33, circuit board 34, support plate 35 and flexible element 36,
Trigger switch 33 is located at the top of support plate 35, can be triggered in response to an external force, to generate a push button signalling, triggering
Switch 33 has bump portion 331, is set on the top of trigger switch 331.Button cap 31 is located at the upper of trigger switch 33
Side, and can be moved up and down relative to support plate 35, it can receive external force and push against trigger switch 33.Support plate 35 has support
Plate aperture 351 corresponds to trigger switch 331, and passes through for trigger switch 331.Circuit board 34 is set under support plate 35
Side and it is electrically connected at trigger switch 33, wherein when trigger switch 33 is triggered, push button signalling that trigger switch 33 is exported
It is transferred to circuit board 34.In this preferred embodiment, circuit board 34 is printed circuit board (PCB).
Scissor connecting element 32 is connected to button cap 31 and support plate 35, and it includes the first frame 321 and
Two frames 322.The first end of first frame 321 is connected to button cap 31, and the second end of the first frame 321 is connected to support plate
35, and the first frame 321 has frame aperture 3211 so that trigger switch 331 may pass through frame aperture 3211 and respectively with it is soft
Property element 36 and circuit board 34 contact.Second frame 322 is combined with the first frame 321, and can be relative to the first frame 321
It swings, the first end of the second frame 322 is connected to support plate 35, and the second end of the second frame 322 is then connected to button cap 31.
Please refer to Fig. 3 and Fig. 4, Fig. 4 is mechanical key structure of the present invention part in the first preferred embodiment
Structural profile schematic side view.Flexible element 36 is set on the inner surface 311 of button cap 31, and can be with trigger switch 33
Bump portion 331 contacts and deformation occurs.Wherein, when flexible element 36 and trigger switch 33 contact, the salient point of trigger switch 33
Portion 331 protrudes into the flexible element 36 that deformation occurs, to limit the sliding situation of trigger switch 33.Wherein, flexible element 36
Size is slightly larger than the size of bump portion 331.In this preferred embodiment, flexible element 36 is made with rubber material or sponge material
At, and flexible element 36 is fixed on the inner surface 311 of button cap 31 with adhesion system.
Please refer to Fig. 3 and Fig. 4, mechanical key structure 3 of the present invention is exerted a force the operation situation that presses by user
It is as follows: when user presses button cap 31,31 stress of button cap and pushing against scissor connecting element 32 down makes its actuation, therefore
Button cap 31 can move down relative to support plate 35, so that the flexible element 36 being located on the inner surface 311 of button cap 31 can
Press the bump portion 331 of trigger switch 33.At this point, trigger switch 33 is triggered and output key signal is to circuit board 34.Wherein,
The collision (not shown in the figures) of the metallic resilient material (not shown in the figures) and plastic material of the inside of trigger switch 33, with
Generate collision sound.When user stops pressing button cap 31, the no longer stress of button cap 31 presses the stopping of flexible element 36
Trigger switch 33, therefore the metallic resilient material inside trigger switch 33 can restore to the original state in response to its elasticity, while provide up
Pushing force, button cap 31 therefore and be pushed back the position before not pressing.
During button cap 31 moves down, the bump portion 331 of trigger switch 33 supports flexible material 36, makes soft
Deformation occurs and accommodates bump portion 331 in wherein for material 36, and trigger switch 33 thus can be limited by flexible material 36 only can be into
The movement of row vertical direction, and improve the situation that trigger switch 33 is slided.In addition, the softness due to flexible material 36 is special
Property, can mitigate it is stiff brought by trigger switch 33 press feel, and help improvement and press feel.
In addition, the present invention also provides from the second preferred embodiment of the above-mentioned different practices.Please refer to Fig. 5 and figure
6, Fig. 5 be structural decomposition diagram of the mechanical key structure of the present invention in the second preferred embodiment, and Fig. 6 is machine of the present invention
Partial structurtes decomposition diagram of the tool formula press-key structure in the second preferred embodiment.Mechanical key structure 4 includes button cap
41, scissor connecting element 42, trigger switch 43, circuit board 44 and support plate 45, scissor connecting element 42 include first
Frame 421 and the second frame 422, and the first frame 421 has frame aperture 4211.Trigger switch 43 has bump portion 431,
And support plate 45 has the support plate aperture 451 corresponding to trigger switch 43.The structure and function of each element of press-key structure 4
It is generally identical as aforementioned preferred embodiment, and something in common repeats no more.The press-key structure 4 of this preferred embodiment and it is aforementioned compared with
The difference of good embodiment has two, first, and the not set flexible element of press-key structure 4 is in wherein.Second, the knot of button cap 41
Structure.
The structure of button cap 41 will be illustrated next.Please refer to Fig. 5, Fig. 6 and Fig. 7, Fig. 7 is that the present invention mechanically presses
Bond structure partial structurtes diagrammatic cross-sectional side elevation in the first preferred embodiment.It can be seen that by Fig. 6 and Fig. 7, button cap 41 has
There is recessed portion 411, be set on the inner surface 412 of button cap 41, and can be contacted with trigger switch 43, and trigger switch 43
Bump portion 431 protrudes into recessed portion 411, to limit the sliding situation of trigger switch 43.
The operation situation that mechanical key structure 4 of the present invention is pressed by user's force is as follows: when user presses key
When cap 41,41 stress of button cap and pushing against scissor connecting element 42 down makes its actuation, therefore button cap 41 can be relative to support
Plate 45 moves down, while making the recessed portion 411 on the inner surface 412 of button cap 41 that can press the convex of trigger switch 43
Point portion 431.At this point, trigger switch 43 is triggered and output key signal is to circuit board 44.Wherein, the inside of trigger switch 43
Metallic resilient material (not shown in the figures) and plastic material it is (not shown in the figures) collision, to generate collision sound.When
User stops when pressing button cap 41, the no longer stress of button cap 41 and stop pressing trigger switch 43 so that trigger switch 43
Internal metallic resilient material restores to the original state in response to its elasticity, while providing pushing force up, button cap 41 therefore and by
Push back the position before not pressing.
During button cap 41 moves down, the bump portion 431 of trigger switch 43 protrudes into the recessed portion of button cap 41
411, the shifting of vertical direction can be carried out in wherein, thus can limiting trigger switch 43 only by so that recessed portion 411 is accommodated bump portion 431
It is dynamic, and improve the situation that trigger switch 43 is slided.Wherein, mutual of the size of the size Yu bump portion 431 of recessed portion 411
Match.
As described above, mechanical key structure setting of the present invention correspond to bump portion flexible material in button cap with
And between trigger switch, alternatively, corresponding to the recessed portion of bump portion in setting on the inner surface of button cap, to limit trigger switch
Bump portion can only be vertically moved in the range of flexible material or recessed portion, therefore the feelings that trigger switch is slided can be improved
Shape.Therefore, mechanical key structure of the present invention, which can provide, good presses feel.
The foregoing is merely presently preferred embodiments of the present invention, the claim being not intended to limit the invention, thus it is all its
It is intended to be limited solely by the claim of this case without departing from the lower equivalent change or modification completed of spirit disclosed in this invention
It is interior.
Claims (10)
1. a kind of mechanical key structure characterized by comprising
One support plate；
One trigger switch, positioned at the top of the support plate, to be triggered in response to an external force；
One button cap pushes against the trigger switch to receive the external force positioned at the top of the trigger switch；And
One flexible element is set on an inner surface of the button cap, and can be contacted with the trigger switch and deformation occurs；Its
In, when the flexible element is contacted with the trigger switch, which is partially protruded into the flexible element that deformation occurs, with
Limit the sliding of the trigger switch.
2. mechanical key structure as described in claim 1, further includes:
One scissor connecting element is connected to the button cap and the support plate, comprising:
One first frame, a first end of first frame are connected to the button cap, and the second end connection of first frame
In the support plate；And
One second frame, in conjunction with first frame, and can be relative to first frame stroke, a first end of second frame
It is connected to the support plate, and a second end of second frame is connected to the button cap；And
One circuit board is set to the lower section of the support plate and is electrically connected at the trigger switch；Wherein, when the trigger switch is touched
When hair, which exports a push button signalling to the circuit board.
3. mechanical key structure as claimed in claim 2, wherein first frame has a frame aperture, which opens
Close across the frame aperture and respectively with the flexible element and the circuit board contacts.
4. mechanical key structure as described in claim 1, wherein the trigger switch has a bump portion, is set to the touching
A top of switch is sent out, which protrudes into the flexible element that deformation occurs, to limit the sliding of the trigger switch.
5. mechanical key structure as described in claim 1, wherein the flexible element is fixed on the button cap with adhesion system
The inner surface on.
6. a kind of mechanical key structure characterized by comprising
One support plate；
One trigger switch, positioned at the top of the support plate, to be triggered in response to an external force；And
One button cap, positioned at the trigger switch top and contacted with the trigger switch, push against the touching to receive the external force
Hair switch；Wherein, which has a recessed portion, is set on an inner surface of the button cap, and can be with the trigger switch
Contact, and the trigger switch partially protrudes into the recessed portion, to limit the sliding of the trigger switch.
7. mechanical key structure as claimed in claim 6, further includes:
One scissor connecting element is connected to the button cap and the support plate, comprising:
One first frame, a first end of first frame are connected to the button cap, and the second end connection of first frame
In the support plate；And
One second frame, in conjunction with first frame, and can be relative to first frame stroke, a first end of second frame
It is connected to the support plate, and a second end of second frame is connected to the button cap；And
One circuit board is set to the lower section of the support plate and is electrically connected at the trigger switch；Wherein, when the trigger switch is touched
When hair, which exports a push button signalling to the circuit board.
8. mechanical key structure as claimed in claim 7, wherein first frame has a frame aperture, which opens
Close across the frame aperture and respectively with the button cap and the circuit board contacts.
9. mechanical key structure as claimed in claim 7, wherein the support plate has a support plate aperture, makes the triggering
Switch is electrically connected at the circuit board across the support plate aperture.
10. mechanical key structure as claimed in claim 6, wherein the trigger switch has a bump portion, is set to the touching
A top of switch is sent out, which protrudes into the recessed portion, to limit the sliding of the trigger switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710867640.6A CN109545600A (en) | 2017-09-22 | 2017-09-22 | Mechanical key structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710867640.6A CN109545600A (en) | 2017-09-22 | 2017-09-22 | Mechanical key structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109545600A true CN109545600A (en) | 2019-03-29 |
Family
ID=65830755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710867640.6A Pending CN109545600A (en) | 2017-09-22 | 2017-09-22 | Mechanical key structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109545600A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201622961U (en) * | 2009-12-31 | 2010-11-03 | 新巨企业股份有限公司 | Pressing structure of thinned keyboard |
| JP2011233464A (en) * | 2010-04-30 | 2011-11-17 | Mitsubishi Electric Corp | Push button device of electronic equipment |
| US20110308925A1 (en) * | 2010-06-18 | 2011-12-22 | Kitahara Takahisa | Push switch |
| CN202275757U (en) * | 2011-10-31 | 2012-06-13 | 群光电子股份有限公司 | Keystroke structure of keyboard |
| CN105761990A (en) * | 2016-04-12 | 2016-07-13 | 苏州达方电子有限公司 | Press key structure |
-
2017
- 2017-09-22 CN CN201710867640.6A patent/CN109545600A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201622961U (en) * | 2009-12-31 | 2010-11-03 | 新巨企业股份有限公司 | Pressing structure of thinned keyboard |
| JP2011233464A (en) * | 2010-04-30 | 2011-11-17 | Mitsubishi Electric Corp | Push button device of electronic equipment |
| US20110308925A1 (en) * | 2010-06-18 | 2011-12-22 | Kitahara Takahisa | Push switch |
| CN202275757U (en) * | 2011-10-31 | 2012-06-13 | 群光电子股份有限公司 | Keystroke structure of keyboard |
| CN105761990A (en) * | 2016-04-12 | 2016-07-13 | 苏州达方电子有限公司 | Press key structure |
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Application publication date: 20190329 |
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