CN106992086B - A kind of rotary type micro limit switch - Google Patents
A kind of rotary type micro limit switch Download PDFInfo
- Publication number
- CN106992086B CN106992086B CN201710413250.1A CN201710413250A CN106992086B CN 106992086 B CN106992086 B CN 106992086B CN 201710413250 A CN201710413250 A CN 201710413250A CN 106992086 B CN106992086 B CN 106992086B
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- Prior art keywords
- component
- movable
- block
- contact spring
- connector
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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
- H01H13/50—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member
- H01H13/52—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member the contact returning to its original state immediately upon removal of operating force, e.g. bell-push switch
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/50—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/58—Electric connections to or between contacts; Terminals
- H01H1/5866—Electric connections to or between contacts; Terminals characterised by the use of a plug and socket connector
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
Abstract
The invention discloses a kind of rotary type micro limit switch, including pedestal, the first movable component, the second movable component and the movable contact spring component mutually to link set on the chassis interior, the both ends of second movable component are born against on the first movable component and movable contact spring component, first movable component move along its axis and drive and its against second movable component one end swing, the second movable component pushes movable contact spring component to rotate around itself and the fulcrum of connector or adapter.Rotary type micro limit switch of the invention, since rotating block can turn an angle in motion bar, rotating block boss is contacted with shell side boss can be improved switch motion parameter, dynamic balance position occur with the second movable component can be prior to forming dynamic balance between the second movable component and movable contact spring component, dynamic balance occur when can effectively prevent contact assemblies rotation leads to switch circuit breaking or upper scintillation, so that rotary type micro limit switch is sensitiveer, safe and reliable.
Description
Technical field
The present invention relates to a kind of switches, and in particular to a kind of micro limit switch.
Background technique
Microswitch is that have small contact separation and snap-action mechanism, and it is dynamic to carry out switch with defined stroke and defined power
The contact mechanism of work, is covered with shell, outside have a kind of switch of frizzen because contact spacing of its switch is smaller,
Therefore named microswitch.Outer mechanical force is acted on power on movement reed by actuated element (push-piece, button, lever, idler wheel etc.),
When act reed be displaced to critical point when generate snap action, make act reed end movable contact and fixed contact quick-make or
It disconnects.After the active force on actuated element is removed, movement reed generates counteragent power, when actuated element reverse stroke reaches
After the movement critical point of reed, counteragent is instantaneously completed.The contact spacing of microswitch is small, actuating length is short, it is small to press power,
On-off is rapid.The movement speed of its movable contact is unrelated with actuated element movement speed.
Traditional microswitch includes shell, panel, normally opened connector, normally closed connector, public connector and normally opened
The dynamic slide plate switched between patch piece and normally closed connector drives the single elastic slice or Single spring of dynamic slide plate movement, at present on the market
The microswitch used is unable to satisfy many Industry code requirements, Bu Neng because there are many defects for the limitation of its own structure
The more demanding occasion of safety coefficient or field use, and Market breadth is low.Specific defect is some as follows:
(1) it cannot achieve the pressure separation between sound contact, not meeting Industry code requirements, switch safety coefficient is low,
It cannot use in the occasion, such as elevator etc. for thering are security fields to require；
(2) elastic force is generated by the deformation of metal list elastic slice or Single spring tension and realizes switching, it is critical in switch jump
Position, can exist contact from it is normally closed be switched to it is normally opened during will appear balance, so as to cause switch can exist it is normally opened or normally closed
Poor contact causes switching signal scintillation occur between connector all no powers or sound contact, causes equipment that can not make
With, such as domestic ice maker etc.；
(3) microswitch structure size itself is small, causes conductive metal sheet sectional area small, unbearable larger current,
It needs the use occasion of larger current to be easy for burning, for example the gardens electric tool of lithium battery is housed.
It would therefore be highly desirable to solve the above problems.
Summary of the invention
Goal of the invention: switching process can be solved the object of the present invention is to provide one kind and is led because there is dynamic balance state
Double elastic slice fine motions limit that poor contact causes switching signal scintillation occur between the no power or sound contact of cause is general
Switch.
Technical solution: a kind of rotary type micro limit switch of the present invention, including pedestal are set to the chassis interior
The first movable component, the second movable component and the movable contact spring component mutually to link, several connectors being interspersed on the pedestal,
The both ends of second movable component are born against on the first movable component and movable contact spring component, first movable component edge
Its move axially and drive and its against second movable component one end swing, the second movable component other end is around itself and movable contact spring
Component is swung against place, and the second movable component pushes movable contact spring component to rotate around it with the fulcrum of connector or adapter, is moved
The contact of contact assemblies and then relative to connector contact or separate.
The movable contact spring component include the first supporting element, rotary moveable block and the second supporting element, first supporting element and
Second supporting element clamps rotary moveable block, and the first supporting element and the second supporting element end junction be equipped with for fixed and
Connect the contact of connector.
First movable component includes motion bar and the reset spring connected below, and the motion bar is equipped with perforation
Holding tank, what is rotated in the holding tank is equipped with for the rotating block against the second movable component.
Holding tank is stretched out at the both ends of the rotating block, and described rotating block one end is equipped with the gap for accommodating main elastic slice end,
Its other end is equipped with the convex block for being resisted against susceptor surface, if the susceptor surface is compatible with convex block against locating to be equipped with convex block
Dry lug boss, during motion bar drives rotating block to move down, several lug bosses of susceptor surface touch convex block, and then make
Rotating block rotation.
Second movable component includes that main elastic slice, auxiliary elastic slice and swinging block, the auxiliary elastic slice are nested in main elastic slice
Knee and fixation, the both ends of the main elastic slice are connected to rotating block and swinging block, and the main elastic slice runs through swinging block, pendulum
Motion block is resisted against the knee of rotary moveable block, and two opposite faces of the swinging block and rotary moveable block are compatible profile
Face.
The pedestal is also rotatably connected to the second separation block, and second separation block one end, which extends to, can be resisted against to moving down
Lower section, the other end extend to the first supporting element lower position that can be resisted against movable contact spring component at dynamic motion bar protrusion position
Place lower section.
The base rotation is connected with the first separation block, and first separation block one end, which extends to be resisted against, to move up
Motion bar protrusion position at top, the other end, which extends to, can be resisted against at the first supporting element top position of movable contact spring component
Top.
Several connectors are the normally opened connector being interspersed on the pedestal and common end connector or normally closed patch
Part and common end connector or normally opened connector, common end connector and normally closed connector.
The base side is equipped with the cover board covered.
The main elastic slice and auxiliary elastic slice are arc-shaped bend resilient metal member.
Working principle: during the first movable component moves along its axis, drive and its against the second movable component put
It is dynamic, during the second movable component is swung, movable contact spring component is pushed to do around the fulcrum of itself and common end connector or adapter
Rotary motion changes the contact of movable contact spring component and the relative position of normally opened connector or normally closed connector, to realize switch
It is powered or powers off.
The utility model has the advantages that rotary type micro limit switch of the invention, the driving mechanism of (1) using elastic slice component as switch
It generates elastic force and realizes switching, and in handoff procedure, the arc contact surface and movable contact spring of swinging block on the second movable component
Pressure is generated between rotary moveable block groove surface in component to act on movable contact spring component, avoids movable contact spring component from normally closed turn
To it is normally opened or it is normally opened go to normally closed when instantaneously there is dynamic balance and generate minor rotation and occurring flashing or circut breaking；
(2) the second movable component using double elastic piece structures effectively prevents single elasticity member in switch use process in the present invention
Phenomena such as elastic element aging that part is be easy to cause, elastic force decaying leads to malfunctioning switch, poor contact；The swinging block is threaded through master
And can be free to slide along main elastic slice on elastic slice, which plays certain guiding role；
(3) rotating block is equipped in the present invention in the holding tank of the motion bar of the first movable component, is connect when motion bar is depressed into
When nearly switch movable contact piece component triggering critical point, rotating block reaches critical point prior to main elastic slice and movable contact spring component with main elastic slice,
Rotating block rotates moment and the second component forms angle, so that comprising main elastic slice, assisting the elastic parts of elastic slice and dynamic touching
Piece component generates inclined thrust, and triggering movable contact spring component rotation, also equalization point occur during avoidable switching causes out
Pass occurs no power or scintillation in critical point；
(4) several lug bosses set on the convex block and pedestal in the present invention on rotating block can be effectively reduced by contacting
Switch triggering point location point parameter.
(5) double elastic slice fine motion limit universal switches separate block using normally closed first and realize switching process in the present invention
The contact of middle movable contact spring component is separated with pressure of the normally opened connector contact point between, recycles normally opened second to separate block real
The contact of movable contact spring component is separated with the pressure between normally closed connector during existing switching, two-way separated structure maximum limit
The safety coefficient for improving switch of degree, meets safety switch industry use demand；
(6) energization of movable contact spring component can be used that energization sectional area is big to be greater than common microswitch in the present invention, can be with
Bear larger current.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is schematic diagram of internal structure of the invention；
Fig. 3 is the part A partial enlargement diagram of Fig. 2 of the present invention；
Fig. 4 is the connection schematic diagram of the first movable component of the invention, the second movable component and movable contact spring component.
Fig. 5 is the explosive view of motion bar of the invention；
Fig. 6 is the explosive view of the second movable component of the invention；
Fig. 7 is the assembling figure of the second movable component of the invention；
Fig. 8 is the explosive view of movable contact spring component of the invention.
Specific embodiment
Technical solution of the present invention is described in detail below, but protection scope of the present invention is not limited to the implementation
Example.
As shown in Figures 1 to 8, a kind of rotary type micro limit switch of the invention, including pedestal 1 are set to inside pedestal 1
The first movable component, the second movable component and the movable contact spring component mutually to link, the connector being interspersed on pedestal 1, second is living
The both ends of dynamic component are born against in the mistake that on the first movable component and movable contact spring component, the first movable component is moved along its axis
Driven in journey and its against second movable component one end swing, the second movable component other end is around its supporting with movable contact spring component
It is swung by place, the second movable component pushes movable contact spring component to rotate around it with the fulcrum of connector or adapter, several connectors
Combination for normally opened connector 2 and common end connector 3 or normally closed connector 4 and common end connector 3 or normally opened can connect
Plug-in unit 2, common end connector 3 and normally closed connector 4, correspondingly, the contact 5 of movable contact spring component contacts in turn or connects far from normally opened
Plug-in unit 2, contact or separate normally closed connector 4, contact or separate normally opened connector 2 or normally closed connector 4, movable contact spring component include
First supporting element 6, rotary moveable block 7 and the second supporting element 8, the first supporting element 6 and the second supporting element 8 press from both sides rotary moveable block 7
It holds, rotary motion block 7 can do low-angle between the first supporting element 6 and the second supporting element 8 and be freely rotated, and the first supporting element
6 are equipped with the contact 5 for fixing and connecting connector with 8 end junction of the second supporting element, and the first movable component includes living
Lever 9 and the reset spring 10 connected below, it is preferred that reset spring 10 is equipped with a pair, and the first movable component top is equipped with
The feeler lever of pedestal is stretched out, the holding tank 11 of perforation is additionally provided on motion bar 9, what is rotated in holding tank 11 is equipped with for against second
The rotating block 12 of movable component, 1 side of pedestal are equipped with the cover board 13 that is covered, and the second movable component includes main elastic slice 14, auxiliary
Elastic slice 15 and swinging block 16 are helped, main elastic slice 14 and auxiliary elastic slice 15 are arc-shaped bend resilient metal member, preferably copper, assist bullet
Piece 15 is nested in main 14 knee of elastic slice and fixation, and the both ends of main elastic slice 14 are connected to rotating block 12 and swinging block 16, main
Elastic slice 14 runs through swinging block 16, and swinging block 16 is resisted against the groove knee of rotary moveable block 7, and the swinging block 16 is lived with rotation
Two opposite faces of motion block 7 are compatible contoured surface, and holding tank 11 is stretched out at the both ends of rotating block 12, and 12 one end of rotating block is equipped with
The gap 22 of main 14 end of elastic slice is accommodated, the other end is equipped with the convex block 17 for being resisted against 1 surface of pedestal, 1 surface of pedestal and convex block
17 are equipped with several lug bosses 18 compatible with convex block 17 against place, during motion bar 9 drives rotating block 12 to move down, bottom
Several lug bosses 18 on 1 surface of seat touch convex block 17, and then rotate rotating block 12, and pedestal 1 is rotatably connected to the first separation
Block 19, first separation 19 one end of block extends to top at 20 positions that can be resisted against 9 protrusion of motion bar moved up, another
End, which extends to, can be resisted against at 6 top position of the first supporting element of movable contact spring component top, and pedestal 1 is also rotatably connected to second point
From block 21, second separation 21 one end of block, which extends to, can be resisted against lower section at 20 position of protrusion of the motion bar 9 moved down, another
One end, which extends to, can be resisted against below 6 lower position of the first supporting element of movable contact spring component.
In use, in the initial state, preferably, connector includes normally opened connector 2, common end connector 3 and often
Connector 4 is closed, movable contact spring component under the effect of the second movable component pressure, protect by the contact 5 of movable contact spring component and normally closed connector 4
Contact condition is held, while movable contact spring component is kept in contact and leads to common end connector 3 under the effect of the second movable component pressure
Fulcrum connection is crossed, the first movable component prolongs it under external force and axially moves down, the reset spring 10 of the first movable component
Compressive deformation, while the convex block 17 of the rotating block 12 on motion bar 9 and several lug bosses 18 on 1 surface of pedestal are against convex block 17
It is moved to 18 edge of lug boss to be blocked, so that rotating block 12 rotates, when the second movable component is swung to and is moved
When contact assemblies are in critical localisation, the rotating block 12 of the second movable component just touches lug boss 18, so that the second activity
The main elastic slice 14 of component and auxiliary elastic slice 15 while elastic potential energy is put aside to maximum, rotating block 12 rotate simultaneously drives it is second living
Dynamic component moment rotates down, and moment forms angle between movable contact spring component and the second movable component, movable contact spring component by
The effect of upper power and moment rotates, above contact 5 and normally opened connector 2 against normally closed connector 4 powers off at this time, normally opened to connect
Plug-in unit 2 is connected, and the continuation of the first movable component moves down, and 9 protrusion 20 of motion bar separates block 21 against the second separation block with second
21 rotations, in the case of movable contact spring component occurs once in a while without up clockwise rotation, the second separation block 21 can be strong at this time
System separates movable contact spring component with normally closed connector 4, when motion bar 9 is in the case where reset spring 10 acts on back in motion process, the
Close to when being in critical localisation with movable contact spring component, the rotating block 12 of the second movable component just touches convex one movable component again
Portion 18 is played, so that the main elastic slice 14 of the second movable component and auxiliary elastic slice 15 be while elastic potential energy is put aside to maximum, second
Movable component moment is rotated up, between movable contact spring component and the second movable component moment formed angle, movable contact spring component by
Downward force acts on and moment rotates with normally closed connector 4 against normally closed connector 4 is powered at this time, and normally opened connector 2 powers off, and lives
9 protrusion 20 of lever separates block 19 against the second separation block 19 rotates, when movable contact spring component occurs once in a while without past subinverse with first
In the case of hour hands rotary motion, the first separation block 19 can be forced to separate movable contact spring component with normally opened connector 2 at this time, this rotation
Formula micro limit switch manner of execution is to be done and revolved around the fulcrum of itself and common end connector 3 using rotary type movable contact spring component
Transhipment is dynamic, the connecting and disconnecting of Lai Shixian limit switch, and the first supporting element 6 and the second supporting element 8 clamp rotary moveable block 7, the
One supporting element 6 and the second supporting element 8 are fixed together by contact 5, and rotary moveable block 7 is in the first supporting element 6 and the second support
Movement is rotated freely as low-angle between part 8, since rotating block 12 can turn an angle in motion bar 9, due to main elastic slice
Interaction between interaction force between 14 and swinging block 16 and movable contact spring component, with movable block 12 and movable contact spring component
Power is not overlapped, avoid movable contact spring component from it is normally closed go to it is normally opened or it is normally opened go to normally closed when instantaneously there is dynamic balance and generate small turn
It is dynamic and occur flashing or circut breaking, so that rotary type micro limit switch is sensitiveer, safe and reliable.It is described in detail above
The preferred embodiment of the present invention, still, the present invention is not limited to the specific details in the above embodiment, in skill of the invention
In art conception range, a variety of equivalents can be carried out to technical solution of the present invention, these equivalents belong to the present invention
Protection scope.It is further to note that specific technical features described in the above specific embodiments, not
In contradictory situation, it can be combined in any appropriate way.In order to avoid unnecessary repetition, the present invention is to various
No further explanation will be given for possible combination.
Claims (10)
1. a kind of rotary type micro limit switch, it is characterised in that: including pedestal, mutually to link set on the chassis interior
One movable component, the second movable component and movable contact spring component, several connectors being interspersed on the pedestal, second activity
The both ends of component are born against on the first movable component and movable contact spring component, and first movable component moves along its axis simultaneously
Drive and its against second movable component one end swing, the second movable component other end around its with movable contact spring component against place
It swings, the second movable component pushes movable contact spring component to rotate around it with the fulcrum of connector or adapter, the touching of movable contact spring component
Point so relative to connector contact or it is separate；The movable contact spring component has rotary moveable block, the second movable component packet
It includes main elastic slice, auxiliary elastic slice and swinging block, the auxiliary elastic slice both ends and is connected to main elastic slice and swinging block respectively；The main elastic slice
One end be connected to the first movable component, the other end of main elastic slice runs through swinging block, and swinging block is resisted against the curved of rotary moveable block
At song, two opposite faces of the swinging block and rotary moveable block are compatible contoured surface.
2. rotary type micro limit switch according to claim 1, it is characterised in that: the movable contact spring component further includes
One supporting element and the second supporting element, first supporting element and the second supporting element clamp rotary moveable block, and the first supporting element
The contact for fixing and connecting connector is equipped with the second supporting element end junction.
3. rotary type micro limit switch according to claim 1, it is characterised in that: first movable component includes living
Lever and the reset spring connected below, the motion bar are equipped with the holding tank of perforation, and what is rotated in the holding tank sets
Have for the rotating block against the second movable component.
4. rotary type micro limit switch according to claim 3, it is characterised in that: the both ends of the rotating block are stretched out
Holding tank, described rotating block one end are equipped with the gap for accommodating main elastic slice end, and the other end is equipped with and is resisted against the convex of susceptor surface
Block, the susceptor surface are equipped with several lug bosses compatible with convex block against place with convex block, and motion bar drives rotating block downward
In moving process, several lug bosses of susceptor surface touch convex block, and then rotate rotating block.
5. rotary type micro limit switch according to claim 1, it is characterised in that: the auxiliary elastic slice is nested in main bullet
Piece knee and fixation.
6. rotary type micro limit switch according to claim 1 or 3, it is characterised in that: the pedestal is also rotatablely connected
There is the second separation block, second separation block one end, which extends to, can be resisted against lower section at the motion bar protrusion position moved down,
Its other end, which extends to, can be resisted against below the first supporting element lower position of movable contact spring component.
7. rotary type micro limit switch according to claim 6, it is characterised in that: the base rotation is connected with first
Block is separated, first separation block one end, which extends to, can be resisted against top at the motion bar protrusion position moved up, another
End, which extends to, can be resisted against top at the first supporting element top position of movable contact spring component.
8. rotary type micro limit switch according to claim 1, it is characterised in that: several connectors are to be interspersed in
Normally opened connector and common end connector or normally closed connector and common end connector or normally opened connector on the pedestal,
Common end connector and normally closed connector.
9. rotary type micro limit switch according to claim 1, it is characterised in that: the base side, which is equipped with, to be covered
The cover board of lid.
10. rotary type micro limit switch according to claim 1, it is characterised in that: the main elastic slice and auxiliary elastic slice
For arc-shaped bend resilient metal member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710413250.1A CN106992086B (en) | 2017-06-05 | 2017-06-05 | A kind of rotary type micro limit switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710413250.1A CN106992086B (en) | 2017-06-05 | 2017-06-05 | A kind of rotary type micro limit switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106992086A CN106992086A (en) | 2017-07-28 |
| CN106992086B true CN106992086B (en) | 2019-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710413250.1A Active CN106992086B (en) | 2017-06-05 | 2017-06-05 | A kind of rotary type micro limit switch |
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| Country | Link |
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| CN (1) | CN106992086B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI814129B (en) * | 2020-11-13 | 2023-09-01 | 日商Ｉｄｅｃ股份有限公司 | Micro Switch |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107749363B (en) * | 2017-12-04 | 2020-10-02 | 漳州聚安美电气科技有限公司 | Micro switch |
| CN108198705B (en) * | 2018-01-12 | 2019-11-08 | 平高集团有限公司 | Duckbilled contact and the switchgear for using the contact |
| CN109001512A (en) * | 2018-09-20 | 2018-12-14 | 苏州工业园区斯博自动化控制设备有限公司 | A kind of electric-power metering ammeter quick replacement device |
| CN113539727B (en) * | 2021-07-20 | 2024-04-12 | 宁波公牛电器有限公司 | Rocker driving piece and rocker switch |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2203555A (en) * | 1939-03-09 | 1940-06-04 | Gen Electric | Electric switch |
| DE1892288U (en) * | 1964-03-07 | 1964-05-06 | Rau Swf Autozubehoer | SWITCH. |
| US3337703A (en) * | 1965-08-30 | 1967-08-22 | Matsushita Electric Works Ltd | Snap switch with movable contacts on biased rocking plate |
| JPS5760503Y2 (en) * | 1977-04-23 | 1982-12-23 | ||
| JP3757090B2 (en) * | 1999-11-26 | 2006-03-22 | 佐鳥エス・テック株式会社 | DC current switch |
-
2017
- 2017-06-05 CN CN201710413250.1A patent/CN106992086B/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI814129B (en) * | 2020-11-13 | 2023-09-01 | 日商Ｉｄｅｃ股份有限公司 | Micro Switch |
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| CN106992086A (en) | 2017-07-28 |
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