CN107978469B - Travel switch - Google Patents
Travel switch Download PDFInfo
- Publication number
- CN107978469B CN107978469B CN201610939376.8A CN201610939376A CN107978469B CN 107978469 B CN107978469 B CN 107978469B CN 201610939376 A CN201610939376 A CN 201610939376A CN 107978469 B CN107978469 B CN 107978469B
- Authority
- CN
- China
- Prior art keywords
- push plate
- revolving part
- contact
- arm
- moving contact
- 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.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
- H01H3/16—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch adapted for actuation at a limit or other predetermined position in the path of a body, the relative movement of switch and body being primarily for a purpose other than the actuation of the switch, e.g. for a door switch, a limit switch, a floor-levelling switch of a lift
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
- H01H3/46—Driving mechanisms, i.e. for transmitting driving force to the contacts using rod or lever linkage, e.g. toggle
Landscapes
- Push-Button Switches (AREA)
Abstract
A kind of travel switch, it includes pedestal, push plate, moving contact, static contact and disjunction mechanism, moving contact is connect by elastic component with push plate, the disjunction mechanism includes the revolving part being pivoted in pedestal, push plate can drive moving contact to contact with static contact, after moving contact is contacted with static contact, push plate can continue to move to static contact direction and the revolving part of disjunction mechanism is driven to make moving contact far from static contact, moving contact disjunction is driven by the revolving part of disjunction mechanism, after push plate drives moving contact to contact with static contact, push plate can also continue to move to static contact direction if necessary and the revolving part of disjunction mechanism driven to make moving contact far from static contact, it being capable of effectively disjunction and switching circuit, avoid contact due to being bonded, melting welding and fail.
Description
Technical field
The present invention relates to Low Voltage Electrical Apparatus, more particularly to a kind of travel switch.
Background technique
Travel switch is to make its contact action using the collision of mechanical moving element to realize connection or disjunction control circuit
Low current master control electrical apparatus, be normally used for limit mechanical movement position or stroke, make movable machinery by certain position or row
Journey is automatically stopped, counter motion, variable motion or automatic back and forth movement etc..In actual use, travel switch may be mounted at
Predetermined position, when the module impact stroke switch on mechanical moving element, the contact of travel switch is acted, and realizes cutting for circuit
It changes.Travel switch is widely used in all kinds of lathes and hoisting machinery, to control its stroke, carry out terminal position limitation protection.In elevator
Control circuit in, also using travel switch come the speed of control switch gate, the limit of automatic opening and closing door, carriage it is upper and lower
Position limitation protection.
Existing travel switch would generally be bonded due to contact, melting welding and can not normal disjunction, switching circuit, such case
Under will lead to the control system failure being made of travel switch.
Summary of the invention
It is an object of the invention to overcome the deficiencies of existing technologies, provide that a kind of structure is simple, stroke of high reliablity is opened
It closes.
To achieve the above object, present invention employs following technical solutions:
A kind of travel switch comprising pedestal, push plate, moving contact, static contact and disjunction mechanism, moving contact pass through elastic component
It is connect with push plate, the disjunction mechanism includes the revolving part being pivoted in pedestal, and push plate can drive moving contact and stationary contact
Head contact, after moving contact is contacted with static contact, push plate can continue that the rotation of disjunction mechanism is moved and driven to static contact direction
Part makes moving contact far from static contact.
Optionally, the push plate includes second cooperated with the first promote-side of operating mechanism cooperation and another and moving contact
Promote-side, the second promote-side are equipped with the push arm cooperated with revolving part.
Optionally, the revolving part includes side arm and top arm, and side arm is equipped with the side shaft being pivotally connected with pedestal, side arm
One end and push plate cooperate, one end of the other end and top arm connects, and the other end and moving contact of top arm cooperate.
Optionally, the revolving part includes two side arms, and top arm is connected between two side arms, between side arm and top arm
Form the avoiding space for avoiding the reset spring of push plate and push plate.
Optionally, the length of the top arm is greater than the width of side arm, and the angle between top arm and side arm is obtuse angle.
Optionally, the push arm is extended from the second promote-side end of push plate to pedestal, is equipped with and is pushed away in pedestal
The push arm slot that the side arm of arm and revolving part is slidably matched.
Optionally, the push plate is T-shaped structure, and the width of second promote-side is greater than the first promote-side, sets on pedestal
There is the push plate guide groove with push plate cooperation.
Optionally, the swivelling chute for accommodating revolving part is equipped in the pedestal, revolving part is pivoted on rotation by side shaft
On turn trough side wall, revolving part one end and moving contact cooperate, and the other end and push plate cooperate.
Optionally, the push plate and revolving part are separately positioned on the two sides of moving contact, and static contact is arranged in moving contact and rotation
Turn between part.
Optionally, one end is set there are two static contact in the pedestal, and the other end sets that there are two the second static contact, two stationary contacts
Head and two the second static contacts are arranged at four angular spacings surrounds a cross-shaped cavity, is equipped with and pushes away on the longitudinal direction of cross-shaped cavity
Plate, reset spring and revolving part, push plate one end are connect with reset spring, and revolving part is arranged above reset spring, and cross is empty
Move touching bridge the wink for being horizontally installed with moving contact of chamber, push plate is connect by elastic component and wink dynamic touching bridging;Moving touching bridge both ends wink
Two sides are equipped with movable contact.
Travel switch of the invention drives moving contact disjunction by the revolving part of disjunction mechanism, push plate drive moving contact with it is quiet
After contact, push plate can also continue to move to static contact direction if necessary and the revolving part of disjunction mechanism driven to make touching
Head far from static contact, can effectively disjunction and switching circuit, avoid contact due to occur bonding, melting welding and fail.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of travel switch of the present invention;
Fig. 2 is the partial structural diagram of travel switch of the present invention;
Fig. 3 is the partial structural diagram of travel switch of the present invention;
Fig. 4 is the structural schematic diagram of the push plate of travel switch of the present invention;
Fig. 5 is the structural schematic diagram of the revolving part of travel switch of the present invention;
Fig. 6 is the side view of the revolving part of travel switch of the present invention;
Fig. 7 is the front view of the revolving part of travel switch of the present invention;
Fig. 8 is the structural schematic diagram of the structure of contact terminal of travel switch of the present invention;
Fig. 9 is the front view of the structure of contact terminal of travel switch of the present invention;
Figure 10 is the partial enlarged view of Fig. 8;
Figure 11 is the structural schematic diagram of the pedestal of travel switch of the present invention;
Figure 12 is another structural schematic diagram of the pedestal of travel switch of the present invention;
Figure 13 is another structural schematic diagram of the pedestal of travel switch of the present invention;
Figure 14 is the structural schematic diagram of the pedestal of travel switch of the present invention.
Specific embodiment
Below in conjunction with the embodiment that attached drawing 1 to 14 provides, the specific embodiment party of travel switch of the invention is further illustrated
Formula.Travel switch of the invention is not limited to the following description.
As shown in Figure 1-3, travel switch of the invention includes pedestal 100, push plate 101, moving contact 102,103 and of static contact
Disjunction mechanism 1, moving contact 103 are connect by elastic component 104 with push plate 101, and the disjunction mechanism 1 includes being pivoted on pedestal
Revolving part 11 in 100, revolving part 11 are lever construction, and one end and moving contact 102 cooperate, and the other end and push plate 101 cooperate,
Push plate 101, which can move under external force to static contact 103 and moving contact 102 is driven to contact with static contact 103, realizes circuit
Conversion, after moving contact 102 is contacted with static contact 103, push plate 101 can continue to move to 103 direction of static contact and drive point
The revolving part 11 of breaking mechanism 1 makes moving contact 102 far from 103 disjunction circuit of static contact, passes through matching for disjunction mechanism 1 and push plate 101
Conjunction can be forced to avoid contact from making travel switch fail due to bonding or melting welding moving contact 102 and 103 disjunction of static contact.
One end of the push plate 101 is connect with operating mechanism 110, and the other end is connected by reset spring 107 and pedestal 100
It connecing, push plate 101 moves under the driving of operating mechanism 110 to static contact 103, after moving contact 102 is contacted with static contact 103,
Push plate 101 can continue to move to static contact 103 under the driving of operating mechanism 110, at this time moving contact 102 and static contact 103
Excess of stroke cooperation, while push plate 101 can start to act on disjunction mechanism 1, and disjunction mechanism 1 is made to push moving contact 102 far from static contact
103.Certainly, push plate 101 can also be made with disjunction mechanism 1 again after moving contact 102 and 103 excess of stroke of static contact cooperate a distance
With.
Embodiment as shown in Figure 4, is equipped with the swivelling chute 12 for accommodating revolving part 11 in pedestal 100, and revolving part 11 passes through
Side shaft 113 is pivoted on 12 side wall of swivelling chute, and revolving part 11 is lever construction, and one end and moving contact 102 cooperate, separately
One end and push plate 101 cooperate.In conjunction with Fig. 5, a kind of preferred embodiment of revolving part 11, the revolving part 11 includes 111 He of side arm
Top arm 112, side arm 111 are equipped with the side shaft 113 being pivotally connected with the swivelling chute 12 of pedestal 100, one end of side arm 111 with push away
Plate 101 cooperates, and the other end is connect with one end of top arm 112, and the other end and moving contact 102 of top arm 112 cooperate, and push plate 101 can
To push side arm 111 to rotate side arm 111 around side shaft 113 and top arm 112 is driven to swing, top arm 112 can push away in swing
It is dynamic that moving contact 102 can also be pulled far from static contact 103.Revolving part 11 in the present embodiment includes two side arms 111, top arm
112 are connected between two side arms 111, and side shaft 113 respectively symmetrically is equipped on the side that two side arms 111 are away from each other,
The avoiding space for avoiding the reset spring 107 of push plate 101 and push plate 101 is formed between side arm 111 and top arm 112, into one
Step, the top arm 112 is equipped with escape groove 114.In conjunction with shown in Fig. 6-7, the length of the top arm 112 is greater than side arm 111
Width, top arm 112 is obliquely installed, and the angle between top arm 112 and side arm 111 is obtuse angle, naturally it is also possible to according to practical knot
Structure changes the numerical value of angle between top arm 112 and side arm 111, moving contact 102 can be driven to act in order to revolving part 11.Described
The side wall of pedestal 100 is equipped with the spring groove 109 (Figure 12) of the "U" shaped structure cooperated with reset spring 107, reset spring
107 are arranged between two side arms 111, and revolving part 11 can carry out correction limit to reset spring 107.This is revolving part of the present invention
11 preferred embodiment, convenient for the installation and cooperation between push plate 101, moving contact 102 and reset spring 107, structure is simple
It is compact.Certainly, revolving part 11 can also be using other structures.
As shown in figure 4, the push plate 101 include with operating mechanism 110 cooperate the first promote-side 1011 and it is another with it is dynamic
The second promote-side 1012 that contact 102 cooperates, the second promote-side 1012 is equipped with to push away with what the revolving part 11 of disjunction mechanism 1 cooperated
Arm 1013, push arm 1013 can be by pushing the side wall 111 of revolving part 11, and the push arm 1013 in the present embodiment is two, described
Push arm 1013 is extended from 1012 end of the second promote-side of push plate 101 to pedestal 100, the bottom of pedestal 100 be equipped with
The push arm slot 1014 (Figure 11) that the side arm 111 of push arm 1013 and revolving part 11 is slidably matched, push arm 1013 and revolving part 11 can be with
Steadily cooperate under the guidance of push arm slot 1014, push plate 101 is T-shaped structure, and the width of second promote-side 1012 is greater than
First promote-side 1011, pedestal 100 are equipped with the push plate guide groove 1015 cooperated with push plate 101, and push arm slot 1014, which is connected to, to be pushed away
Between side wall where plate guide groove 1015 and spring groove 109.
As shown in figure 3, push plate 101 and revolving part 11 are separately positioned on the two sides of moving contact 102, static contact in the present embodiment
103 are arranged between moving contact 102 and revolving part 11, positioned at moving contact 102 close to the side of revolving part 11, in moving contact 102
The other side be additionally provided with the second static contact 108, operating mechanism 110 pushes directly on push plate 101 and pushes revolving part by push plate 101
11, it is compact-sized easy for installation.Revolving part 11 can certainly be arranged in side identical with push plate 101, push plate 101 continues
It is advanced through the rotation of revolving part 11 and pulls moving contact 102, such structure cooperation is complex.Static contact in the present embodiment
103 are two and are separately positioned on the two sides of revolving part 11, and the second static contact 108 is two and is separately positioned on push plate 101
Two sides, the both ends of moving contact 102 extend between static contact 103 and the second static contact 108.
Specifically, one end is set there are two static contact 103 in pedestal 100, the other end is set there are two the second static contact 108,
Two static contacts 103 and two the second static contacts 108 are arranged at four angular spacings surrounds a cross-shaped cavity, cross-shaped cavity
Vertical be upwardly formed push plate guide groove 1015, push arm slot 1014 and swivelling chute 12, cross-shaped cavity is transversely formed moving contact 102
The space of wink dynamic touching bridge 301 movement.Push plate 101, reset spring 107 and revolving part 11 are installed on the longitudinal direction of cross-shaped cavity,
101 one end of push plate is connect with reset spring 107, and revolving part 11 is arranged above reset spring 107, the lateral peace of cross-shaped cavity
Move touching bridge 301 wink equipped with moving contact 102, push plate 101 is connect by elastic component 104 with wink dynamic touching bridge 4;In wink dynamic 4 liang of bridge of touching
The two sides at end are equipped with movable contact.
As shown in Fig. 2, Fig. 8, Fig. 9, the structure of contact terminal of the travel switch of the utility model include pedestal 100, push plate 101,
Moving contact 102 and static contact 103, push plate 101 are connect by elastic component 104 with the wink of moving contact 102 dynamic touching bridge 301, push plate 101
Wink dynamic touching bridge 301 and 103 excess of stroke of static contact can be driven to cooperate;The elastic component 104 includes two and is symmetricly set on push plate 101
The independent elasticity of flexure piece 310 of two sides, elasticity of flexure piece 310 is parabola banded structure made of metal stamping, each curved
Bent elastic piece 310 is at arcuate, including sequentially connected first parabolic segment 311, the second parabolic segment 312 and third parabolic segment
313, the first parabolic segment 311 is connect with push plate 101, and third parabolic segment 313 is connect with wink dynamic touching bridge 301, the second parabola
Section 312 is connected between the first parabolic segment 311 and third parabolic segment 313, and the parabola angle of the first parabolic segment 311 is small
In the parabola angle of third parabolic segment 313, the parabola angle of third parabolic segment 313 is less than the second parabolic segment 312
Parabola angle.Preferably, the parabola angle of the first parabolic segment 311 is 30 °, the parabola of the second parabolic segment 312
Angle is 60 °, and the parabola angle of third parabolic segment 313 is 45 °.
Second parabolic segment 312 is distinguished to 101 curving of push plate, the first parabolic segment 311 and third parabolic segment 313
To the interior lateral bend of the second parabolic segment 312, the side of wink dynamic touching bridge 301 is arranged in second parabolic segment 312, and first throws
The other side of wink dynamic touching bridge 301 is arranged in object line segment 311 and third parabolic segment 313, is at the both ends of the second parabolic segment 312
Two linking arms 314, two linking arms 314 are symmetrical arranged, and linking arm 314 passes through wink dynamic touching bridge 301 and the first parabolic segment 311
It is connected with third parabolic segment 313.The parabola angle of linking arm 314 is 60 °.
As shown in connection with fig. 8, the elastic component 104 is parabola banded structure made of metal stamping, moves touching bridge the wink
301 both ends are equipped with silver point 305, and middle part is equipped with the through slot 306 that push plate 101 passes through, one end and the through slot 306 of elastic component 104
Side wall connection, the other end are connect with push plate 101.Wherein the parabola angle spring leaf angle of elastic component 104 is according to putter action
Stroke, the setting of contact pressure, preferably 30 °, 45 °, 60 °, it is ensured that while operating sensitivity, spring leaf has larger
Power, contact have enough contact pressures.Material is preferably beryllium-bronze, can also have wear-resisting, low temperature resistant, nothing in order to punch forming
The characteristics of magnetic, high electric conductivity, it is able to ascend the sensitivity of travel switch.
Wink dynamic touching bridge 301 in the present embodiment is in rectangle or irregular shape, and wink, the dynamic both ends for touching bridge 301 were equipped with silver point
305, it is equipped with the through slot 306 that push plate 101 passes through at the middle part for moving touching bridge 301 wink, the wink that push plate 101 passes through moving contact 102, which is moved, touches
Bridge 301 is simultaneously connect by elastic component 104 with wink dynamic touching bridge 301, and one end of elastic component 104 is connect with the two sides of push plate 101 respectively,
The other end is connect with wink dynamic touching bridge 301 respectively.
Further, the opposite two side walls of the through slot 306 are equipped with the touching extended to wink dynamic touching 301 side of bridge inclination
Bridge fixed plate 307, touching bridge fixed plate 307 is equipped with the touching bridge fixing groove (not shown) for fixing elastic component 104, fixed
The inclined angle of plate 307 is matched with the curved angle in 104 end of elastic component, and in conjunction with Figure 10, the fixed plate 307 is solid in touching bridge
The two sides for determining slot are equipped with touching bridge fixed block 308, and the branch cooperated with fixing groove and fixed block 308 is equipped in the end of elastic component 104
Foot 309.
As a kind of embodiment of the utility model, the push plate 101 includes push rod 302 and pushing block 303, pushing block 303
One end is connect with operating mechanism 110, and the other end is connect with one end of push rod 302, and the other end of push rod 302 passes through wink dynamic touching bridge
301 and connect with pedestal 100 by reset spring 107, equipped with the second fixation for fixing elastic component 104 on push rod 302
Slot 304.
Further, one end of the push rod 302 is equipped with the limited block 3021 cooperated with pushing block 303, sets on pushing block 303
There is the limiting slot (not shown) cooperated with limited block 3021, is equipped in the other end of push rod 302 and cooperates with reset spring 107
Spring block 3022,107 sets of reset spring withstand on spring block 3022 and by end on the end face of push rod 302, and push rod 302 is excellent
Choosing uses phenolaldehyde moulding compound or metalwork, and not only light weight can also be resistant to high temperature.
As illustrated in figs. 13-14, the travel switch of the utility model further includes the pedestal 600 cooperated with pedestal 100, pedestal
100 are mounted in pedestal 600, and the base seat groove 604 for installation pedestal 100 is equipped in pedestal 600, and 100 side wall of pedestal is equipped with more
A mounting groove 601 is equipped with the installation convex block 602 with 601 transition fit of mounting groove in base seat groove 604, and not only positioning accuracy is high, anti-
Vibration property is good, can also improve assembly efficiency, reduce production cost.
At least provided with three mounting grooves being arranged on 100 3 adjacent walls of pedestal at triangle on the pedestal 100
601, set in base seat groove 604 there are three match with mounting groove 601 and installation convex block 602, the mounting groove 601 is in Step-edge Junction
Structure, the upper/lower terminal of mounting groove 601 are separately positioned on the top side of pedestal 100, bottom side, are equipped with positive stop lug boss in mounting groove 601
605, the top side in mounting groove 601 close to pedestal 100 is arranged in positive stop lug boss 605, and the height of positive stop lug boss 605 is less than mounting groove
601 depth.
As illustrated by figs. 12-13, one end is set there are two junction block 606 in the pedestal 100, and the other end sets that there are two junction blocks
606, four junction blocks 606 surround a cross-shaped cavity at the setting of four angular spacings, bottom side and junction block 606 in pedestal 100
Cooperation position be equipped with the hex screw hole 608 that cooperates with terminal screw 607;The side wall of the junction block 606 is equipped with and is used for
The contact fixing groove 609 of fixed static contact 103, is equipped with locating slot 611 at the angle of the bottom side of pedestal 100 four, can be in order to base
The assembly of seat 100.
The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be said that
Specific implementation of the invention is only limited to these instructions.For those of ordinary skill in the art to which the present invention belongs, exist
Under the premise of not departing from present inventive concept, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to of the invention
Protection scope.
Claims (10)
1. a kind of travel switch, it is characterised in that: including pedestal (100), push plate (101), moving contact (102), static contact (103)
With disjunction mechanism (1), moving contact (103) is connect by elastic component (104) with push plate (101), and the disjunction mechanism (1) includes pivot
Turn the revolving part (11) being mounted in pedestal (100), push plate (101) can drive moving contact (102) to connect with static contact (103)
Touching, after moving contact (102) is contacted with static contact (103), push plate (101) can continue to move and drive to static contact (103) direction
The revolving part (11) of dynamic disjunction mechanism (1) makes moving contact (102) far from static contact (103), and the revolving part (11) is lever knot
Structure, one end and moving contact (102) cooperate, and the other end and push plate (101) cooperate.
2. travel switch according to claim 1, it is characterised in that: the push plate (101) includes and operating mechanism (110)
The first promote-side (1011) of cooperation and another the second promote-side (1012) with moving contact (102) cooperation, the second promote-side
(1012) it is equipped with the push arm (1013) cooperated with revolving part (11).
3. travel switch according to claim 1, it is characterised in that: the revolving part (11) includes side arm (111) and top
Arm (112), side arm (111) are equipped with the side shaft (113) being pivotally connected with pedestal (100), one end of side arm (111) and push plate
(101) cooperate, the other end is connect with the one end of top arm (112), and the other end of top arm (112) and moving contact (102) cooperate.
4. travel switch according to claim 1, it is characterised in that: the revolving part (11) includes two side arms (111),
Top arm (112) is connected between two side arms (111), is formed between side arm (111) and top arm (112) for avoiding push plate
(101) and the avoiding space of the reset spring (107) of push plate (101).
5. travel switch according to claim 4, it is characterised in that: the length of the top arm (112) is greater than side arm (111)
Width, the angle between top arm (112) and side arm (111) is obtuse angle.
6. travel switch according to claim 2, it is characterised in that: the push arm (1013) is by the second of push plate (101)
Promote-side (1012) end extends to pedestal (100), is equipped with and push arm (1013) and revolving part (11) in pedestal (100)
The push arm slot (1014) that is slidably matched of side arm (111).
7. travel switch according to claim 2, it is characterised in that: the push plate (101) be T-shaped structure, described second
The width of promote-side (1012) is greater than the first promote-side (1011), and pedestal (100) is equipped with the push plate cooperated with push plate (101) and leads
To slot (1015).
8. travel switch according to claim 1, it is characterised in that: be equipped in the pedestal (100) and accommodate revolving part
(11) swivelling chute (12), revolving part (11) are pivoted on swivelling chute (12) side wall by side shaft (113), revolving part
(11) one end and moving contact (102) cooperate, and the other end and push plate (101) cooperate.
9. travel switch according to claim 1, it is characterised in that: the push plate (101) and revolving part (11) are set respectively
The two sides in moving contact (102) are set, static contact (103) is arranged between moving contact (102) and revolving part (11).
10. travel switch according to claim 1, it is characterised in that: the interior one end of the pedestal (100) is set there are two stationary contact
Head (103), the other end set there are two the second static contact (108), two static contacts (103) and two the second static contacts (108) at
The setting of four angular spacings surrounds a cross-shaped cavity, and push plate (101), reset spring are equipped on the longitudinal direction of cross-shaped cavity
(107) it is connect with revolving part (11), push plate (101) one end with reset spring (107), revolving part (11) is arranged in reset spring
(107) wink for being horizontally installed with moving contact (102) of top, cross-shaped cavity moves touching bridge (301), and push plate (101) passes through elasticity
Part (104) is connect with wink dynamic touching bridge (4);In wink, the two sides at dynamic touching bridge (4) both ends are equipped with movable contact.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610939376.8A CN107978469B (en) | 2016-10-25 | 2016-10-25 | Travel switch |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610939376.8A CN107978469B (en) | 2016-10-25 | 2016-10-25 | Travel switch |
Publications (2)
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CN107978469A CN107978469A (en) | 2018-05-01 |
CN107978469B true CN107978469B (en) | 2019-09-17 |
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ID=62004070
Family Applications (1)
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CN201610939376.8A Active CN107978469B (en) | 2016-10-25 | 2016-10-25 | Travel switch |
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CN (1) | CN107978469B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108682588A (en) * | 2018-07-05 | 2018-10-19 | 上海良信电器股份有限公司 | A kind of contact system of switch element |
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US4347415A (en) * | 1980-02-06 | 1982-08-31 | General Electric Company | Electric quick-break switch with forced opening of the contacts |
EP0329847A1 (en) * | 1988-02-24 | 1989-08-30 | Schaltbau Gesellschaft mbH | Snap switch element |
CN204966310U (en) * | 2015-08-26 | 2016-01-13 | 浙江正泰电器股份有限公司 | Two -way action switch |
CN105609332A (en) * | 2014-11-19 | 2016-05-25 | 欧姆龙株式会社 | Limit switch |
CN205564550U (en) * | 2016-03-14 | 2016-09-07 | 浙江正泰电器股份有限公司 | Moving contact mechanism and isolator |
CN206293298U (en) * | 2016-10-25 | 2017-06-30 | 浙江正泰电器股份有限公司 | Travel switch |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5935334B2 (en) * | 2012-01-13 | 2016-06-15 | オムロン株式会社 | Limit switch |
-
2016
- 2016-10-25 CN CN201610939376.8A patent/CN107978469B/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4347415A (en) * | 1980-02-06 | 1982-08-31 | General Electric Company | Electric quick-break switch with forced opening of the contacts |
EP0329847A1 (en) * | 1988-02-24 | 1989-08-30 | Schaltbau Gesellschaft mbH | Snap switch element |
CN105609332A (en) * | 2014-11-19 | 2016-05-25 | 欧姆龙株式会社 | Limit switch |
CN204966310U (en) * | 2015-08-26 | 2016-01-13 | 浙江正泰电器股份有限公司 | Two -way action switch |
CN205564550U (en) * | 2016-03-14 | 2016-09-07 | 浙江正泰电器股份有限公司 | Moving contact mechanism and isolator |
CN206293298U (en) * | 2016-10-25 | 2017-06-30 | 浙江正泰电器股份有限公司 | Travel switch |
Also Published As
Publication number | Publication date |
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CN107978469A (en) | 2018-05-01 |
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