CN107978469A - Travel switch - Google Patents

Travel switch Download PDF

Info

Publication number
CN107978469A
CN107978469A CN201610939376.8A CN201610939376A CN107978469A CN 107978469 A CN107978469 A CN 107978469A CN 201610939376 A CN201610939376 A CN 201610939376A CN 107978469 A CN107978469 A CN 107978469A
Authority
CN
China
Prior art keywords
push plate
revolving part
arm
moving contact
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.)
Granted
Application number
CN201610939376.8A
Other languages
Chinese (zh)
Other versions
CN107978469B (en
Inventor
陈安环
郭峰
牟鑫鑫
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZHEJIANG ZHENGTAI MACHINE TOOL ELECTRICAL MANUFACTURING CO LTD
Zhejiang Chint Electrics Co Ltd
Original Assignee
ZHEJIANG ZHENGTAI MACHINE TOOL ELECTRICAL MANUFACTURING CO LTD
Zhejiang Chint Electrics Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by ZHEJIANG ZHENGTAI MACHINE TOOL ELECTRICAL MANUFACTURING CO LTD, Zhejiang Chint Electrics Co Ltd filed Critical ZHEJIANG ZHENGTAI MACHINE TOOL ELECTRICAL MANUFACTURING CO LTD
Priority to CN201610939376.8A priority Critical patent/CN107978469B/en
Publication of CN107978469A publication Critical patent/CN107978469A/en
Application granted granted Critical
Publication of CN107978469B publication Critical patent/CN107978469B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00Mechanisms for operating contacts
    • H01H3/02Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
    • H01H3/16Operating 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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00Mechanisms for operating contacts
    • H01H3/32Driving mechanisms, i.e. for transmitting driving force to the contacts
    • H01H3/46Driving 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 connected by elastic component with push plate, the disjunction mechanism includes the revolving part being pivoted in pedestal, push plate can drive moving contact to be contacted with static contact, after moving contact is contacted with static contact, push plate can continue to move to static contact direction and drive the revolving part of disjunction mechanism to make moving contact away from static contact, moving contact disjunction is driven by the revolving part of disjunction mechanism, after push plate drives moving contact to be contacted with static contact, push plate can also continue to move to static contact direction when necessary and drive the revolving part of disjunction mechanism to make moving contact away from static contact, being capable of effectively disjunction and switching circuit, contact is avoided due to being bonded, melting welding and fail.

Description

Travel switch
Technical field
The present invention relates to Low Voltage Electrical Apparatus, more particularly to a kind of travel switch.
Background technology
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 Precalculated position, when the module impact stroke switch on mechanical moving element, the contact action of travel switch, realizes cutting for circuit Change.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 controlling switch gate, automatic opening and closing door it is spacing, carriage upper and lower Position limitation protection.
Existing travel switch would generally be bonded due to contact, melting welding and can not normally disjunction, switching circuit, such case The lower control system that can cause to be made of travel switch fails.
The content of the invention
The defects of it is an object of the invention to overcome the prior art, there is provided a kind of stroke simple in structure, that reliability is high is opened Close.
To achieve the above object, present invention employs following technical solution:
A kind of travel switch, it includes pedestal, push plate, moving contact, static contact and disjunction mechanism, and moving contact passes through elastic component It is connected 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 away from static contact.
Optionally, the push plate includes the second of the first promote-side coordinated with operating mechanism and the cooperation of another and moving contact Promote-side, the second promote-side are equipped with the push arm coordinated 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 coordinate, one end of the other end and top arm connects, and the other end and the moving contact of top arm coordinate.
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 the resetting spring for being used to avoid push plate and push plate.
Optionally, the length of the top arm is more than the width of side arm, and the angle between top arm and side arm is obtuse angle.
Optionally, the push arm is formed from the second promote-side end of push plate to pedestal extension, is equipped with pedestal with pushing away The push arm groove 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 more than the first promote-side, is set on pedestal There is the push plate guide groove coordinated push plate.
Optionally, the swivelling chute for accommodating revolving part is equipped with the pedestal, revolving part is pivoted on rotation by side shaft On turn trough side wall, revolving part one end coordinates with moving contact, and the other end coordinates with push plate.
Optionally, the push plate and revolving part are separately positioned on the both sides of moving contact, and static contact is arranged on moving contact and rotation Turn between part.
Optionally, one end is equipped with two static contacts in the pedestal, and the other end is equipped with two the second static contacts, two stationary contacts Head and two the second static contacts are arranged at intervals into corner and surround a cross-shaped cavity, are provided with and push away on the longitudinal direction of cross-shaped cavity Plate, resetting spring and revolving part, push plate one end are connected with resetting spring, and revolving part is arranged on above resetting spring, and cross is empty Move tactile bridge the wink for being horizontally installed with moving contact of chamber, push plate is connect by elastic component with moving tactile bridging wink;Tactile bridge both ends are moved in wink Both sides are equipped with movable contact.
The travel switch of the present 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 when necessary and drive the revolving part of disjunction mechanism to make to touch Head away from static contact, can effectively disjunction and switching circuit, avoid contact due to occurring being bonded, melting welding and fail.
Brief description of the drawings
Fig. 1 is the structure 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 structure diagram of the push plate of travel switch of the present invention;
Fig. 5 is the structure 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 structure 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 structure diagram of the pedestal of travel switch of the present invention;
Figure 12 is another structure diagram of the pedestal of travel switch of the present invention;
Figure 13 is another structure diagram of the pedestal of travel switch of the present invention;
Figure 14 is the structure diagram of the base of travel switch of the present invention.
Embodiment
The embodiment provided below in conjunction with attached drawing 1 to 14, further illustrates the specific embodiment party of the travel switch of the present invention Formula.The travel switch of the present invention is not limited to the following description.
As shown in Figs. 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 connected 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 its one end coordinates with moving contact 102, and the other end coordinates with push plate 101, Push plate 101 can move to static contact 103 and drive moving contact 102 to be contacted with static contact 103 under external force 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 away from 103 disjunction circuit of static contact, passes through matching somebody with somebody for disjunction mechanism 1 and push plate 101 Conjunction can be forced moving contact 102 and 103 disjunction of static contact, avoid contact from travel switch is failed due to bonding or melting welding.
One end of the push plate 101 is connected with operating mechanism 110, and the other end is connected by resetting spring 107 and pedestal 100 Connecing, push plate 101 is moved 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 The excess of stroke coordinates, while push plate 101 can start to act on disjunction mechanism 1, disjunction mechanism 1 is promoted moving contact 102 away from static contact 103.Certainly, push plate 101 can also be made with disjunction mechanism 1 again after moving contact 102 coordinates a distance with 103 excess of stroke of static contact 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 its one end coordinates with moving contact 102, separately One end coordinates with push plate 101.With reference to 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, and one end of side arm 111 is with pushing away Plate 101 coordinates, and the other end is connected with one end of top arm 112, and the other end and the moving contact 102 of top arm 112 coordinate, and push plate 101 can To promote side arm 111 side arm 111 is rotated around side shaft 113 and drive top arm 112 to swing, top arm 112 can push away in swing It is dynamic to pull moving contact 102 away 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 with the side that two side arms 111 are away from each other, The avoiding space for the resetting spring 107 for being used to avoid 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.With reference to shown in Fig. 6-7, the length of the top arm 112 is more 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 actual knot Structure changes the numerical value of angle between top arm 112 and side arm 111, in order to revolving part 11 moving contact 102 can be driven to act.Described The side wall of pedestal 100 is equipped with the spring groove 109 (Figure 12) of the "U" shaped structure coordinated with resetting spring 107, resetting spring 107 are arranged between two side arms 111, and revolving part 11 to resetting spring 107 can rectify a deviation spacing.This is revolving part of the present invention 11 preferred embodiment, it is simple in structure easy to the installation and cooperation between push plate 101, moving contact 102 and resetting spring 107 It is compact.Certainly, revolving part 11 can also use other structures.
As shown in figure 4, the push plate 101 include with operating mechanism 110 coordinate the first promote-side 1011 and it is another with it is dynamic The second promote-side 1012 that contact 102 coordinates, the second promote-side 1012 is equipped with to push away with what the revolving part 11 of disjunction mechanism 1 coordinated Arm 1013, push arm 1013 can be by promoting 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 to be formed, the bottom of pedestal 100 be equipped with The push arm groove 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 Stably coordinate under the guiding of push arm groove 1014, push plate 101 is T-shaped structure, and the width of second promote-side 1012 is more than First promote-side 1011, pedestal 100 are equipped with the push plate guide groove 1015 coordinated push plate 101, and push arm groove 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 both 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 Opposite side be additionally provided with the second static contact 108, operating mechanism 110 pushes directly on push plate 101 and promotes revolving part by push plate 101 11, it is compact-sized easy for installation.Revolving part 11 can certainly be arranged on to the side identical with push plate 101, push plate 101 continues It is advanced through revolving part 11 and rotates pulling moving contact 102, such a respective outer side edges is complex.Static contact in the present embodiment 103 for two and are separately positioned on the both sides of revolving part 11, and the second static contact 108 is two and is separately positioned on push plate 101 Both sides, the both ends of moving contact 102 are extended between 103 and second static contact 108 of static contact.
Specifically, one end is equipped with two static contacts 103 in pedestal 100, the other end is equipped with two the second static contacts 108, Two static contacts 103 and two the second static contacts 108 are arranged at intervals into corner surrounds a cross-shaped cavity, cross-shaped cavity Vertical be upwardly formed push plate guide groove 1015, push arm groove 1014 and swivelling chute 12, cross-shaped cavity is transversely formed moving contact 102 Move the space that tactile bridge 301 moves wink.Push plate 101, resetting spring 107 and revolving part 11 are installed on the longitudinal direction of cross-shaped cavity, 101 one end of push plate is connected with resetting spring 107, and revolving part 11 is arranged on the top of resetting spring 107, the horizontal peace of cross-shaped cavity Move tactile bridge 301 wink equipped with moving contact 102, push plate 101 is connected by elastic component 104 with moving tactile bridge 4 wink;Tactile 4 liang of bridge is moved in wink The both sides at end are equipped with movable contact.
As shown in Fig. 2, Fig. 8, Fig. 9, the structure of contact terminal of travel switch of the invention includes pedestal 100, push plate 101, moves and touch First 102 and static contact 103, push plate 101 be connected by elastic component 104 with moving tactile bridge 301 wink of moving contact 102, push plate 101 can be with Drive is moved tactile bridge 301 wink and is coordinated with 103 excess of stroke of static contact;The elastic component 104 is symmetricly set on 101 both sides of push plate including two Independent elasticity of flexure piece 310, elasticity of flexure piece 310 is the parabola banded structure that forms of metal stamping, each bends bullet Property piece 310 into arcuate, including sequentially connected first parabolic segment 311, the second parabolic segment 312 and the 3rd parabolic segment 313, First parabolic segment 311 is connected with push plate 101, and the 3rd parabolic segment 313 is connected with moving tactile bridge 301 wink, the second parabolic segment 312 It is connected between the first parabolic segment 311 and the 3rd parabolic segment 313, the parabola angle of the first parabolic segment 311 is less than the The parabola angle of three parabolic segments 313, the parabola angle of the 3rd parabolic segment 313 are less than the throwing of the second parabolic segment 312 Thing wire clamp angle.Preferably, the parabola angle of the first parabolic segment 311 is 30 °, the parabola angle of the second parabolic segment 312 For 60 °, the parabola angle of the 3rd parabolic segment 313 is 45 °.
Second parabolic segment 312 is distinguished to 101 curving of push plate, the first parabolic segment 311 and the 3rd parabolic segment 313 To the interior lateral bend of the second parabolic segment 312, second parabolic segment 312 is arranged on the side for moving tactile bridge 301 wink, and first throws 311 and the 3rd parabolic segment 313 of thing line segment is arranged on the opposite side for moving tactile bridge 301 wink, 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 is through moving tactile 301 and first parabolic segment 311 of bridge wink Connected with the 3rd parabolic segment 313.The parabola angle of linking arm 314 is 60 °.
With reference to shown in Fig. 8, the elastic component 104 is the parabola banded structure that metal stamping forms, and moves tactile bridge in the wink 301 both ends are equipped with silver point 305, and middle part is equipped with the straight slot 306 that push plate 101 passes through, one end and the straight slot 306 of elastic component 104 Side wall connects, and the other end is connected with push plate 101.Wherein the parabola angle spring leaf angle of elastic component 104 is according to putter action Stroke, contact pressure are set, and are preferably 30 °, 45 °, 60 °, it is ensured that while operating sensitivity, spring leaf has larger Power, contact have enough contacts.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, be capable of the sensitivity of lift stroke switch.
Move that tactile bridge 301 is rectangular or irregular shape, the both ends for moving tactile bridge 301 wink are equipped with silver point the wink in the present embodiment 305, the middle part that tactile bridge 301 is moved in wink is equipped with the straight slot 306 that push plate 101 passes through, and push plate 101 is tactile through moving in wink for moving contact 102 Bridge 301 is simultaneously connected by elastic component 104 with moving tactile bridge 301 wink, and the both sides of one end of elastic component 104 respectively with push plate 101 are connected, The other end moves tactile bridge 301 with wink and is connected respectively.
Further, the opposite two side walls of the straight slot 306 are equipped with and tilt touching for extension to moving tactile 301 side of bridge wink Bridge fixed plate 307, touches bridge fixed plate 307 and is equipped with the tactile bridge fixing groove (not shown) for being used for fixing elastic component 104, fixed 307 inclined angle of plate is engaged with the curved angle in 104 end of elastic component, and with reference to Figure 10, the fixed plate 307 is consolidated in tactile bridge The both sides for determining groove are equipped with tactile bridge fixed block 308, and the branch coordinated with fixing groove and fixed block 308 is equipped with the end of elastic component 104 Foot 309.
As one embodiment of the present invention, the push plate 101 includes push rod 302 and pushing block 303,303 one end of pushing block It is connected with operating mechanism 110, the other end is connected with one end of push rod 302, and the other end of push rod 302 is through moving tactile bridge 301 wink simultaneously It is connected by resetting spring 107 with pedestal 100, the second fixing groove 304 for being used for fixing elastic component 104 is equipped with push rod 302.
Further, one end of the push rod 302 is equipped with the limited block 3021 coordinated with pushing block 303, is set on pushing block 303 There is the limiting slot (not shown) coordinated with limited block 3021, be equipped with the other end of push rod 302 and coordinate with resetting spring 107 Spring block 3022, resetting spring 107 is sleeved on spring block 3022 and withstands on 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, travel switch of the invention further includes the base 600 coordinated with pedestal 100, and pedestal 100 is pacified The base seat groove 604 for installation pedestal 100 is equipped with base 600, in base 600,100 side wall of pedestal is equipped with multiple installations Groove 601, the installation convex block 602 coordinated with 601 transition of mounting groove is equipped with base seat groove 604, and not only positioning accuracy is high, vibration resistance It is good, efficiency of assembling can also be improved, reduce production cost.
At least provided with three mounting grooves set on 100 3 adjacent walls of pedestal into triangle on the pedestal 100 601, be equipped with base seat groove 604 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, positive stop lug boss are equipped with mounting groove 601 605, positive stop lug boss 605 is arranged in mounting groove 601 is less than mounting groove close to the top side of pedestal 100, the height of positive stop lug boss 605 601 depth.
As illustrated by figs. 12-13, one end is equipped with two junction blocks 606 in the pedestal 100, and the other end is equipped with two junction blocks 606, four junction blocks 606 are arranged at intervals into corner and surround a cross-shaped cavity, in the bottom side of pedestal 100 and junction block 606 Cooperation position be equipped with terminal screw 607 coordinate hex screw hole 608;The side wall of the junction block 606, which is equipped with, to be 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 assembling of seat 100.
Above content is that a further detailed description of the present invention in conjunction with specific preferred embodiments, it is impossible to is assert The specific implementation of the present invention is confined to these explanations.For general technical staff of the technical field of the invention, On the premise of not departing from present inventive concept, some simple deduction or replace can also be made, should all be considered as belonging to the present invention's Protection domain.

Claims (10)

  1. A kind of 1. 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 connected by elastic component (104) with push plate (101), and the disjunction mechanism (1) includes pivot Turn the revolving part (11) being installed in pedestal (100), push plate (101) can drive moving contact (102) to be connect with static contact (103) Touch, 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) away from static contact (103).
  2. 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) and another the second promote-side (1012) coordinated with moving contact (102) coordinated, the second promote-side (1012) it is equipped with the push arm (1013) coordinated with revolving part (11).
  3. 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) coordinate, the other end is connected with the one end of top arm (112), and the other end and the moving contact (102) of top arm (112) coordinate.
  4. 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) and is used to avoid push plate (101) and the resetting spring (107) of push plate (101) avoiding space.
  5. 5. travel switch according to claim 4, it is characterised in that:The length of the top arm (112) is more than side arm (111) Width, the angle between top arm (112) and side arm (111) is obtuse angle.
  6. 6. travel switch according to claim 3, it is characterised in that:The push arm (1013) is by the second of push plate (101) Promote-side (1012) end is formed to pedestal (100) extension, is equipped with and push arm (1013) and revolving part (11) in pedestal (100) The push arm groove (1014) that is slidably matched of side arm (111).
  7. 7. travel switch according to claim 3, it is characterised in that:The push plate (101) is T-shaped structure, described second The width of promote-side (1012) is more than the first promote-side (1011), and pedestal (100) is equipped with the push plate coordinated push plate (101) and leads To groove (1015).
  8. 8. travel switch according to claim 1, it is characterised in that:It is equipped with the pedestal (100) and accommodates 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 coordinates with moving contact (102), and the other end coordinates with push plate (101).
  9. 9. travel switch according to claim 1, it is characterised in that:The push plate (101) and revolving part (11) are set respectively Put and be arranged in the both sides of moving contact (102), static contact (103) between moving contact (102) and revolving part (11).
  10. 10. travel switch according to claim 1, it is characterised in that:The interior one end of the pedestal (100) is equipped with two stationary contacts Head (103), the other end be equipped with two the second static contacts (108), two static contacts (103) and two the second static contacts (108) into Corner is arranged at intervals and surrounds a cross-shaped cavity, and push plate (101), resetting spring are provided with the longitudinal direction of cross-shaped cavity (107) it is connected with revolving part (11), push plate (101) one end with resetting spring (107), revolving part (11) is arranged on resetting spring (107) top, cross-shaped cavity be horizontally installed with moving contact (102) move tactile bridge (301) wink, push plate (101) passes through elasticity Part (104) is connected with moving tactile bridge (4) wink;The both sides that tactile bridge (4) both ends are moved in wink are equipped with movable contact.
CN201610939376.8A 2016-10-25 2016-10-25 Travel switch Active CN107978469B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610939376.8A CN107978469B (en) 2016-10-25 2016-10-25 Travel switch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610939376.8A CN107978469B (en) 2016-10-25 2016-10-25 Travel switch

Publications (2)

Publication Number Publication Date
CN107978469A true CN107978469A (en) 2018-05-01
CN107978469B CN107978469B (en) 2019-09-17

Family

ID=62004070

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610939376.8A Active CN107978469B (en) 2016-10-25 2016-10-25 Travel switch

Country Status (1)

Country Link
CN (1) CN107978469B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Citations (7)

* Cited by examiner, † Cited by third party
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
US20140374224A1 (en) * 2012-01-13 2014-12-25 Omron Corporation 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
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

Patent Citations (7)

* Cited by examiner, † Cited by third party
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
US20140374224A1 (en) * 2012-01-13 2014-12-25 Omron Corporation Limit switch
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Also Published As

Publication number Publication date
CN107978469B (en) 2019-09-17

Similar Documents

Publication Publication Date Title
CN206293298U (en) Travel switch
KR102003150B1 (en) Auxiliary return magnetic proximity switch
CN107978469A (en) Travel switch
CN104269293B (en) A kind of universal seclector with magnetic quenching function
CN204178981U (en) A kind of sensitive switch with forcing separation function
KR102007113B1 (en) Auxiliary Magnetic Proximity Switch
CN204088123U (en) A kind of universal seclector with magnetic quenching function
CN206293297U (en) The structure of contact terminal of travel switch
CN206236559U (en) Travel switch
CN104319146B (en) Single breakpoint quick-action assistant switch
CN106158515B (en) A kind of high voltage direct current relay with microswitch
CN201933436U (en) Novel movement device of channel gate
CN207233606U (en) A kind of stroke indication sensor
CN210339991U (en) Direct-push reset type elevator speed limiter
CN208014624U (en) High voltage direct current relay with microswitch
CN205502977U (en) Garage door is met to hinder and is returned anti -pinch device
CN204102775U (en) A kind of single-break quick action type auxiliary switch
CN110217667B (en) Direct-push reset elevator speed limiter
CN208721695U (en) The counting device of sample analyser and the sample analyser of automatic sampling
CN203178296U (en) Full-automatic sample extracting device
CN201417680Y (en) Spinning contact switch
CN206639703U (en) One kind electrically connects reliable elevator contact switch
CN205564549U (en) Conventional circuit -breaker's auxiliary switch
CN110634691B (en) Travel limit stop, travel limit device and equipment with travel limit device
CN209071212U (en) A kind of disconnecting switch conducting rod turnover device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant