CN109950079A - A kind of resistor-type conducting stroke turnable keys - Google Patents
A kind of resistor-type conducting stroke turnable keys Download PDFInfo
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- CN109950079A CN109950079A CN201910213485.5A CN201910213485A CN109950079A CN 109950079 A CN109950079 A CN 109950079A CN 201910213485 A CN201910213485 A CN 201910213485A CN 109950079 A CN109950079 A CN 109950079A
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- keyseat
- key axis
- stroke
- movable contact
- static terminal
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Abstract
The present invention discloses a kind of resistor-type conducting stroke turnable keys, including keyseat, key axis and upper cover；Keyseat and upper cover snap connection and are assembled into shell, accommodation groove processed on shell, and key axis is located in accommodation groove and key axis stretches out affixed with keycap after accommodation groove and upper cover, set spring in the central spindle of key axis；The side of matching key axis sets movable contact spring and static terminal in accommodation groove, movable contact spring and static terminal are electrically connected with pcb board, arc conducting portion processed on movable contact spring, the starting point and static terminal of arc conducting portion connect, and conducting stroke is defined as at a distance from the starting point for the contact spacing arc conducting portion that arc conducting portion is connected with static terminal movable contact；Arc conducting portion is pushed when key axis is vertically movable to be connected with static terminal and increases or reduces conducting stroke, increase or reduce the resistance between movable contact spring and static terminal, key conducting when one of them matches in the resistance threshold that the resistance be connected corresponding to stroke between movable contact spring and static terminal is connected with multiple keys of setting.
Description
Technical field
The present invention relates to technical field of electronic products, stroke turnable keys are connected in especially a kind of resistor-type.
Background technique
As people's life constantly improves, the use of computer is more more and more universal in society, has become people
Essential a kind of article in life.For keyboard as the essential input equipment of computer, function and type are also more next
More, keyboard is a kind of using frequent computer peripheral, and operating characteristics is obtained with the continuous innovation of technology
Promotion gradually, from machinery to photoelectricity, from photoelectricity to optics, from wired to wireless, the unfailing performance of keyboard and functional more next
Better.
A kind of mechanical keyboard of Chinese patent switch (patent No.: 201320172454.8) discloses a kind of mechanical keyboard and opens
It closes, it includes keyseat, handle and upper cover, has a cavity in keyseat, and bottom end is convexly equipped with positioning column in keyseat, is arranged on positioning column
There is locating slot, connection is by a reset spring on locating slot, and reset spring one end is connect with positioning column, and the other end is connect with handle,
Upper cover and keyseat fasten to form a cavity, be provided in cavity static contact and it is dynamic touch contact, quiet contact chip includes being integrally formed
Weldment and contact, moving contacting plate includes fixing piece and weldment, the welding of the weldment and moving contacting plate of quiet contact chip
Part is stretched out from the two through hole being arranged on keyseat is passed through in inner cavity.
What above-mentioned 201320172454.8 patent disclosed belong in existing more conventional mechanical keyboard, and the key of existing market
What disk switch was all made of be that contact is connected with contact and the tactile keyboard that constitutes switchs, it is existing in keyboard switch and contact
Deficiency existing for the keyboard switch of formula is: existing keyboard switch can only be single conducting, that is, can only be conducting and
Two groups of states are disconnected, conducting cannot be eaten more, keyboard entry function is single, and experience sense is not strong in this way, will cause；Meanwhile it is existing
Keyboard switch conducting most of stroke be it is fixed, stroke or the conducting of multiple spot stroke of key conducting cannot be set.
Summary of the invention
The technical issues of solution of the invention is that it is tight to provide a kind of structure for above-mentioned existing defect in the prior art
Gather, contact good, stability is good, key conducting stroke can be set or the resistor-type conducting stroke of multiple spot stroke conducting it is adjustable by
Key.
According to the first aspect of the invention, a kind of technical solution that the present invention takes is as follows: a kind of resistor-type conducting stroke
Turnable keys, including keyseat, key axis and upper cover；The keyseat and upper cover snap connection and are assembled into shell, make on the shell
There is the accommodation groove for holding embedding key axis, the key axis is movably embedded in accommodation groove and after key axis top stretching accommodation groove and upper cover
Affixed with keycap, the central spindle of key axis movable can also be stretched out through keyseat with the pcb board for being located at keyseat bottom end, be covered in the central spindle of key axis
If the spring being flexibly connected with keyseat；The side of matching key axis sets movable contact spring and static terminal in accommodation groove, the movable contact spring and quiet
Terminal is electrically connected with pcb board, and the arc conducting portion for connecting with static terminal, the arc are formed on the movable contact spring
The starting point and static terminal of conducting portion connect, the contact spacing arc that the arc conducting portion is connect with static terminal movable contact
The distance of the starting point of shape conducting portion is defined as conducting stroke；The arc conducting portion pushed when key axis is vertically movable with it is quiet
Termination contact connects and increases or reduces the conducting stroke, and matching makes the resistance between movable contact spring and static terminal increase or subtract
Multiple electricity that are small, and being connected in the resistance be connected corresponding to stroke between movable contact spring and static terminal with the key of setting
One of them key conducting when matching of resistance threshold value.
It is further described as to above-mentioned technical proposal:
In the above-mentioned technical solutions, four side of keyseat is formed with several catching grooves, the close key in each catching groove
Be formed with button platform at seat apical position, four side of upper cover be formed in position with the buckle that matches in number with catching groove, often
One buckle is embedded in catching groove and makes its hook and matched button platform hasp, matches the keyseat and the upper cover latch connects
It connects.
In the above-mentioned technical solutions, the keyseat fovea superior is formed with lower groove, and the upper cover is formed with the through slot of the upper cover of perforation,
When the keyseat and the upper cover snap connection, the lower groove, which is docked and matched with through slot, constitutes the accommodation groove；Under described
It is formed with guide groove on the two sidewalls of groove, is formed with the guide part to match in structure with guide groove on the outside of the key axis, it is described
Guide part is inlayed and in guide groove, matches the key axis and be movably embedded in the accommodation groove.
In the above-mentioned technical solutions, the through slot inner sidewall is also formed with guide and limit slot, the guide part activity embedded in
It is in the guide and limit slot matched and vertically movable along guide and limit slot, the key axis vertical upward movement, the guide and limit can be made
Slot is also used to limit the stroke of key axis vertical upward movement.
In the above-mentioned technical solutions, the lower groove bottom end is also convex is formed with positioning guide column, and the spring one end is led with positioning
Column connection, the other end, which protrudes into, to be made the positioning hole in positioning guide column and connect with keyseat, and the spring is perpendicular for providing key axis
To the damping of rebound；The positioning guide column has the first through hole of perforation keyseat, and the key axis activity is assemblied in the accommodation groove
When interior, the central spindle of the key axis can be stretched out along the first through hole, and the central spindle for matching key axis movable can also run through keyseat and be located at
The pcb board of keyseat bottom end stretches out.
In the above-mentioned technical solutions, the movable contact spring includes integrally formed first pin, the first noumenon, the first connection
Portion, second connecting portion and the arc conducting portion, first pin extend vertically downwards from the first noumenon and vertically pass through
It is electrically connected after wearing keyseat with pcb board, the first connecting portion is extended to from the other end elasticity circular arc bending of the first noumenon
Parallel with the first noumenon, the second connecting portion vertically first connecting portion setting, the arc conducting portion is then from described the
Two interconnecting piece end elasticity extend obliquely downward；The static terminal is located at the first noumenon on setting position and arc is connected
Between portion, and the static terminal includes integrally formed terminal pins and ontology, the terminal pins from the ontology vertically to
Lower extension is simultaneously vertically connect after keyseat with pcb board；The ontology is " ┴ " font ontology, and the ontology is to be connected with arc
The contact portion of portion's movable contact connection.
In the above-mentioned technical solutions, the static terminal is metal static terminal, and the movable contact spring is metal movable contact spring, the bullet
Spring is pressure spring.
In the above-mentioned technical solutions, key axis top is formed with cross plug, is formed on the keycap and protrudes out downwards
Connecting column, the connecting column fovea superior are formed with cross slot, and the cross plug is caught in the cross slot, and matching makes
The keycap and the key axis connection.
In the above-mentioned technical solutions, the keyseat is plastic cement keyseat, the upper cover is plastic upper cover, and the key axis is plastic cement
Key axis, the keycap are plastic cement keycap.
Compared with prior art, the beneficial effects of the present invention are: resistor-type conducting stroke turnable keys of the invention are logical
The arc conducting portion that setting can be connect with static terminal movable contact on movable contact spring is crossed, is contacted by arc conducting portion with static terminal
The distance of connection, namely stroke is connected and determines the resistance between movable contact spring and static terminal, when arc conducting portion connects with static terminal
The conducting stroke of connection is touched, that is, the resistance between movable contact spring and static terminal and the key conducting resistance threshold value of setting match
When matching key conducting；When work pressing, key axis moves vertically downwards and leads arc conducting portion with what static terminal connected
Current Cheng Bianhua (resistance variations) set turn-on condition by setting multiple conducting strokes, and then set key and stroke is connected,
Key of the invention can set stroke or the conducting of multiple spot stroke of the key conducting of the input unit with key, solve common
The problem of fixed conducting stroke of key and single are connected；Meanwhile of the invention press-key structure is compact and stability is good.
Detailed description of the invention
Fig. 1 is the perspective view of the present embodiment resistor-type conducting stroke turnable keys；
Fig. 2 is the exploded view of the present embodiment resistor-type conducting stroke turnable keys；
Fig. 3 is the topology view of the keyseat of the present embodiment resistor-type conducting stroke turnable keys；
Fig. 4 is the topology view of the upper cover of the present embodiment resistor-type conducting stroke turnable keys；
Fig. 5 is the topology view of the movable contact spring of the present embodiment；
Fig. 6 is the sectional view of the present embodiment resistor-type conducting stroke turnable keys.
Specific embodiment
The invention will now be described in further detail with reference to the accompanying drawings.
It is exemplary by reference to the embodiment that attached drawing describes, it is intended to for explaining the application, and should not be understood as pair
The limitation of the application.In the description of the present application, it is to be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ",
" width ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside",
The orientation or positional relationship of the instructions such as " clockwise ", " counterclockwise " be based on the orientation or positional relationship shown in the drawings, be only for
Convenient for description the application and simplify description, rather than the device or element of indication or suggestion meaning there must be specific side
Position is constructed and operated in a specific orientation, therefore should not be understood as the limitation to the application.In addition, term " first ", " second "
It is used for description purposes only, is not understood to indicate or imply relative importance or implicitly indicates indicated technical characteristic
Quantity.Thus, define " first ", the feature of " second " can explicitly or implicitly include one or more spy
Sign.In the description of the present application, " several ", the meaning of " plurality " is two or more, unless otherwise clearly specific
It limits.Unless otherwise clearly defined and limited, in this application, the arts such as term " installation ", " connected ", " connection ", " fixation "
Language shall be understood in a broad sense, such as, it may be a fixed connection, may be a detachable connection, or be integrally connected；It can be machinery
Connection, is also possible to be electrically connected；It can be directly connected, two elements can also be can be indirectly connected through an intermediary
Internal connection.For the ordinary skill in the art, above-mentioned term can be understood in the application as the case may be
In concrete meaning.Unless otherwise clearly defined and limited, in this application, fisrt feature the "upper" of second feature or it
"lower" may include that the first and second features directly contact, and also may include that the first and second features are not direct contacts but lead to
Cross the other characterisation contact between them.And fisrt feature includes above the second feature " above ", " above " and " above "
One feature is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.First is special
Sign includes fisrt feature right above second feature and oblique upper under the second feature " below ", " below " and " below ", or only
Indicate that first feature horizontal height is less than second feature
A kind of attached drawing 1-6 example specific embodiment of the invention, with reference to attached drawing 1-6, a kind of resistor-type conducting stroke can
Key is adjusted, it includes keyseat 1, key axis 2 and upper cover 3；The keyseat 1 snaps connection and is assembled into shell with the upper cover 3, practical
In, keyseat 1 is fixed in fixed plate 9, and the accommodation groove 001 for holding embedding key axis 2,2 activity of key axis are formed on the shell
It is embedded in the accommodation groove 001 and affixed with keycap 4 after 2 top of the key axis stretching accommodation groove 001 and upper cover 3；Institute
The side for stating matching key axis 2 in accommodation groove 001 sets movable contact spring 7 and static terminal 8, the movable contact spring 7 and static terminal 8 with pcb board 6
Electrical connection, in practice, the pin of the movable contact spring 7 and static terminal 8 is welded on pcb board 6, is formed on the movable contact spring 7
Arc conducting portion 71 for being connected with static terminal 8, the starting point of the arc conducting portion 71 and 8 company of contact of static terminal
It connects, (front end far from starting point connects with static terminal 8 for the contact that the arc conducting portion 71 is connect with 8 movable contact of static terminal
The point of touching) spacing arc conducting portion 71 starting point distance be defined as conducting stroke, it should be noted that, in practice, rise
Initial point is the point of arc conducting portion 71 and the initial contact connection of static terminal 8, and contact is then that arc conducting portion 71 is contacted with static terminal 8
Real-time contact, which can change, 7 He of movable contact spring of key in the present embodiment with key axis 2 and axle center 21
Static terminal 8 remains contact connectio, the conducting of key be according to the conducting stroke between movable contact spring 7 and static terminal 8 and
The resistance sizes of decision and determine；The arc conducting portion 71 is pushed and 8 company of contact of static terminal when key axis 2 is vertically movable
It connects and the conducting stroke is made to increase (moving vertically downwards) or reduce and (spring back vertically upward), matching makes movable contact spring 7 and static side
Resistance between son 8 increases or reduces, and in the resistance be connected corresponding to stroke between movable contact spring 7 and static terminal 8
One of them key conducting when matching of the multiple resistance thresholds be connected with the key of setting；When pressing work, wherein, the axis
Core 21 is vertically movable to be acted on arc conducting portion 71, and the stroke for connecting arc conducting portion 71 and static terminal 8 away from
Change from (contact area), to make the equivalent resistance between movable contact spring 7 and static terminal 8 change therewith, when movable contact spring 7 and static side
Resistance conducting resistance corresponding with the function of setting between son 8 matches, then corresponding to respond corresponding function key entry, works as release
When key axis 2, key axis 2 provides 5 decrement of spring to the power that key axis 2 is sprung back vertically upward during moving down；It needs to illustrate
When, can be as needed on same key according to pressing stroke when the key of the present embodiment is assemblied in keyboard and when in use
And different functions is set, such as, it is respectively arc conducting portion 71 that first function, the second function and third function, which is set separately,
The conductive journey of passing through that hinders with static terminal 8 is respectively 2mm, 4mm and 5mm (control section detecting movable contact spring 7 and static terminal 8 of keyboard
Between), when pressing down on key and moving down central spindle 21 and stroke 2mm be connected then to respond the first function, continue to press downwards
Key conducting stroke is respectively 4mm and 5mm, then corresponds to the second function of response and third function；It certainly, in practice can also be according to pressing
It presses stroke (conducting stroke) and sets multiple functions, the functionality and user experience of key so can be enhanced.
With reference to attached drawing 1-6, in the present embodiment, 1 four side of keyseat is formed with several catching grooves 101, each catching groove
Be formed with button platform 102 in 101 at 1 apical position of keyseat, 3 four side of upper cover be formed in position in number with
The buckle 301 that catching groove 101 matches, each buckle 301 are embedded in catching groove 101 and make its hook 302 and matched button
102 hasp of platform matches the keyseat 1 and snaps connection with the upper cover 3.
With reference to attached drawing 1-6, in the present embodiment, 1 fovea superior of keyseat is formed with lower groove 103, and the upper cover 3 is formed with perforation
Upper cover 3 through slot 303, when the keyseat 1 is snapped connection with the upper cover 3, the lower groove 103 docks simultaneously with through slot 303
Matching constitutes the accommodation groove 001；It is formed with guide groove 104 on the two sidewalls of the lower groove 103, is formed on the outside of the key axis 2
The guide part 22 to match in structure with guide groove 104, the guide part 22 are inlayed in guide groove 104, and the key is matched
Axis 2 is movably embedded in the accommodation groove 001；With reference to attached drawing 2-6, in the present embodiment, 303 inner sidewall of through slot is also formed with
Guide and limit slot 304,22 activity of guide part are in matched guide and limit slot 304 and vertical along guide and limit slot 304
It is mobile, 2 vertical upward movement of key axis can be made, the guide and limit slot 304 is also used to limit 2 vertical upward movement of key axis
Stroke, that is, key axis 2 can be moved up along guide and limit slot 304, but 304 top of guide and limit slot is closed, thus be worked as
When key axis 2 is moved upward to setting position, can be directed to limiting slot 304 limit and in vertical upward movement；With reference to attached drawing 2-
5, in the present embodiment, 103 bottom end of lower groove is also convex to be formed with positioning guide column 105, and described 5 one end of spring and central spindle 21 connect
It connects, in practice to be set in central spindle 21, the other end is protruded into the location hole (attached drawing is unlabeled) made in positioning guide column 105 simultaneously
It is connect with keyseat 1, the spring 5 is for providing the damping that key axis 2 is vertically sprung back；The positioning guide column 105 has perforation keyseat 1
First through hole 106, when 2 activity of key axis is assemblied in the accommodation groove 001, the central spindle 21 of the key axis 2 can be along described
First through hole 106 is stretched out, and the central spindle 21 for matching key axis 2 movable can also be stretched through keyseat 1 with the pcb board 6 for being located at 1 bottom end of keyseat
In practice, out, by making central spindle 21 stretch out and retract along first through hole 106, matching, which makes key axis 2 in a vertical direction, to be had enough
Stroke and it is vertically movable, matching carry out button operation.
With reference to attached drawing 1-6, in the present embodiment, the movable contact spring 7 includes integrally formed first pin 72, the first noumenon
73, first connecting portion 74, second connecting portion 75 and the arc conducting portion 71, first pin 72 is from the first noumenon 73
Extend vertically downwards and be electrically connected after vertically running through keyseat 1 with pcb board 6, the first connecting portion 74 is from the first noumenon 73
Other end elasticity circular arc bending extend to, the second connecting portion 75 vertical first connecting portion parallel with the first noumenon 73
74 settings, the arc conducting portion 71 are then extended obliquely downward from the 75 end elasticity of second connecting portion；The static terminal 8 exists
It is arranged on position between the first noumenon 73 and arc conducting portion 71, and the static terminal 8 includes integrally formed end
Sub- pin 81 and ontology 82, the terminal pins 81 extend vertically downwards from the ontology 82 and vertically after the keyseat 1 with PCB
Plate 6 connects；The ontology 82 is " ┴ " font ontology, and the ontology 82 is the contact connected with 71 movable contact of arc conducting portion
Portion；In the present embodiment, the static terminal 8 is metal static terminal, and the movable contact spring 7 is metal movable contact spring, and the spring 5 is pressure
Spring.
With reference to attached drawing 1-6, in the present embodiment, 2 top of key axis is formed with cross plug 24, makes on the keycap 4
There is the connecting column 41 protruded out downwards, 41 fovea superior of connecting column is formed with cross slot 42, and the cross plug 24 is caught in institute
It states in cross slot 42, matching connect the keycap 4 with the key axis 2；In the present embodiment, the keyseat 1 is plastic cement
Keyseat, the upper cover 3 are plastic upper cover, and the key axis 2 is plastic key axis, and the keycap 4 is plastic cement keycap.
It is not intended to limit the scope of the present invention above, all technical spirits according to the present invention are to above implementation
Any modification, equivalent variations and modification made by example, in the range of the technical solution for still falling within the utility model.
Claims (9)
1. stroke turnable keys are connected in a kind of resistor-type, it is characterised in that, including keyseat, key axis and upper cover；The keyseat with it is upper
Cover latch connects and is assembled into shell, and the accommodation groove for holding embedding key axis is formed on the shell, and the key axis is movably embedded in accommodating
Affixed with keycap after in slot and key axis top stretching accommodation groove and upper cover, the central spindle of key axis movable can also run through keyseat and set
Pcb board in keyseat bottom end stretches out, and is arranged the spring being flexibly connected with keyseat in the central spindle of key axis；Matching key axis in accommodation groove
Side sets movable contact spring and static terminal, and the movable contact spring and static terminal are electrically connected with pcb board, be formed on the movable contact spring for
The arc conducting portion that static terminal connects, the starting point and static terminal of the arc conducting portion connect, and the arc is led
Conducting stroke is defined as at a distance from the starting point for the contact spacing arc conducting portion that logical portion is connected with static terminal movable contact；It is described
Arc conducting portion is pushed when key axis is vertically movable to be connected with static terminal and increases or reduces the conducting stroke,
With increasing or reducing the resistance between movable contact spring and static terminal, and movable contact spring and static side corresponding to the conducting stroke
One of them key conducting when matching of the resistance threshold that resistance between son is connected with multiple keys of setting.
2. stroke turnable keys are connected in a kind of resistor-type according to claim 1, it is characterised in that, four side of keyseat
Several catching grooves are formed with, are formed with button platform at the keyseat apical position in each catching groove, four side of upper cover is formed with
In position with the buckle that matches in number with catching groove, each buckle be embedded in catching groove and make its hook with it is matched
Platform hasp is detained, the keyseat is matched and is snapped connection with the upper cover.
3. stroke turnable keys are connected in a kind of resistor-type according to claim 2, it is characterised in that, the keyseat fovea superior system
There is lower groove, the upper cover is formed with the through slot of the upper cover of perforation, when the keyseat and the upper cover snap connection, the lower groove
It docks and matches with through slot and constitute the accommodation groove；Guide groove, system on the outside of the key axis are formed on the two sidewalls of the lower groove
There is the guide part to match in structure with guide groove, the guide part is inlayed and in guide groove, matches the key axis activity edge
In the accommodation groove.
4. stroke turnable keys are connected in a kind of resistor-type according to claim 3, it is characterised in that, the through slot inner sidewall
It is also formed with guide and limit slot, the guide part activity is in matched guide and limit slot and vertically movable along guide and limit slot,
It can make the key axis vertical upward movement, the guide and limit slot is also used to limit the stroke of key axis vertical upward movement.
5. stroke turnable keys are connected in a kind of resistor-type according to claim 4, it is characterised in that, the lower groove bottom end
Also convex to be formed with positioning guide column, the spring one end is connect with central spindle, and the other end protrudes into positioning hole of the system in positioning guide column simultaneously
It is connect with keyseat, the spring is for providing the damping that key axis is vertically sprung back；The positioning guide column has the first of perforation keyseat
Through-hole, when the key axis activity is assemblied in the accommodation groove, the central spindle of the key axis can be stretched out along the first through hole, matching
The central spindle of key axis movable can also be stretched out through keyseat with the pcb board for being located at keyseat bottom end.
6. stroke turnable keys are connected in a kind of resistor-type according to any one of claims 1 to 5, it is characterised in that, it is described
Movable contact spring includes integrally formed first pin, the first noumenon, first connecting portion, second connecting portion and the arc conducting portion,
First pin extends vertically downwards from the first noumenon and is vertically electrically connected after keyseat with pcb board, described first
Interconnecting piece extended to from the other end elasticity circular arc bending of the first noumenon it is parallel with the first noumenon, the second connecting portion hang down
The straight first connecting portion setting, then from the second connecting portion end, elasticity extends obliquely downward the arc conducting portion；Institute
Static terminal is stated on setting position between the first noumenon and arc conducting portion, and the static terminal includes being integrally formed
Terminal pins and ontology, the terminal pins extend vertically downwards from the ontology and vertically connect after the keyseat with pcb board
It connects；The ontology is " ┴ " font ontology, and the ontology is the contact portion connecting with arc conducting portion movable contact.
7. stroke turnable keys are connected in a kind of resistor-type according to claim 6, it is characterised in that, the static terminal is gold
Belong to static terminal, the movable contact spring is metal movable contact spring, and the spring is pressure spring.
8. stroke turnable keys are connected in a kind of resistor-type according to claim 7, it is characterised in that, the key axis top system
There is cross plug, the connecting column protruded out downwards is formed on the keycap, the connecting column fovea superior is formed with cross slot, described
Cross plug is caught in the cross slot, and matching makes the keycap and the key axis connection.
9. stroke turnable keys are connected in a kind of resistor-type according to claim 8, it is characterised in that, the keyseat is plastic cement
Keyseat, the upper cover are plastic upper cover, and the key axis is plastic key axis, and the keycap is plastic cement keycap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910213485.5A CN109950079B (en) | 2019-03-20 | 2019-03-20 | Resistance type key with adjustable conduction stroke |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910213485.5A CN109950079B (en) | 2019-03-20 | 2019-03-20 | Resistance type key with adjustable conduction stroke |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109950079A true CN109950079A (en) | 2019-06-28 |
| CN109950079B CN109950079B (en) | 2020-08-28 |
Family
ID=67010287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910213485.5A Active CN109950079B (en) | 2019-03-20 | 2019-03-20 | Resistance type key with adjustable conduction stroke |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109950079B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110364382A (en) * | 2019-07-01 | 2019-10-22 | 深圳市恒怡多精彩科技有限公司 | A kind of induction mechanical keyboard of freely adjustable stroke |
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|---|---|---|---|---|
| US5278557A (en) * | 1991-02-19 | 1994-01-11 | Key Tronic Corporation | Cursor movement control key and electronic computer keyboard for computers having a video display |
| CN203150445U (en) * | 2013-01-31 | 2013-08-21 | 东莞市凯华电子有限公司 | Key switch with lamp |
| CN108878199A (en) * | 2018-07-24 | 2018-11-23 | 柳州长虹航天技术有限公司 | A kind of pressing multiconductor division current buffering switch |
| CN109036914A (en) * | 2018-07-02 | 2018-12-18 | 东莞市凯华电子有限公司 | A kind of key switch of changeable pressing reaction speed |
| CN109378241A (en) * | 2018-12-24 | 2019-02-22 | 东莞市热动电子科技有限公司 | A kind of mechanical keyboard switch of double-contact |
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2019
- 2019-03-20 CN CN201910213485.5A patent/CN109950079B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5278557A (en) * | 1991-02-19 | 1994-01-11 | Key Tronic Corporation | Cursor movement control key and electronic computer keyboard for computers having a video display |
| CN203150445U (en) * | 2013-01-31 | 2013-08-21 | 东莞市凯华电子有限公司 | Key switch with lamp |
| CN109036914A (en) * | 2018-07-02 | 2018-12-18 | 东莞市凯华电子有限公司 | A kind of key switch of changeable pressing reaction speed |
| CN108878199A (en) * | 2018-07-24 | 2018-11-23 | 柳州长虹航天技术有限公司 | A kind of pressing multiconductor division current buffering switch |
| CN109378241A (en) * | 2018-12-24 | 2019-02-22 | 东莞市热动电子科技有限公司 | A kind of mechanical keyboard switch of double-contact |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110364382A (en) * | 2019-07-01 | 2019-10-22 | 深圳市恒怡多精彩科技有限公司 | A kind of induction mechanical keyboard of freely adjustable stroke |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109950079B (en) | 2020-08-28 |
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Denomination of invention: A resistance type on stroke adjustable key Effective date of registration: 20210901 Granted publication date: 20200828 Pledgee: China Co. truction Bank Corp Dongguan branch Pledgor: DONGGUAN REDONG ELECTRONIC TECHNOLOGY Co.,Ltd. Registration number: Y2021980008756 |