CN107146725A - A kind of sky in gearbox reverses gear construction of switch - Google Patents
A kind of sky in gearbox reverses gear construction of switch Download PDFInfo
- Publication number
- CN107146725A CN107146725A CN201710391395.6A CN201710391395A CN107146725A CN 107146725 A CN107146725 A CN 107146725A CN 201710391395 A CN201710391395 A CN 201710391395A CN 107146725 A CN107146725 A CN 107146725A
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- China
- Prior art keywords
- switch
- feeler lever
- spring
- contact
- chipware
- 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
-
- 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
- H01H13/04—Cases; Covers
- H01H13/06—Dustproof, splashproof, drip-proof, waterproof or flameproof casings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/40—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism comprising signals other than signals for actuating the final output mechanisms
- F16H63/42—Ratio indicator devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/40—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism comprising signals other than signals for actuating the final output mechanisms
- F16H63/50—Signals to an engine or motor
-
- 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
- H01H13/26—Snap-action arrangements depending upon deformation of elastic members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/40—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism comprising signals other than signals for actuating the final output mechanisms
- F16H63/42—Ratio indicator devices
- F16H2063/423—Range indicators for automatic transmissions, e.g. showing selected range or mode
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Push-Button Switches (AREA)
Abstract
A kind of sky in gearbox is reversed gear construction of switch, including housing and feeler lever, and the feeler lever is arranged in housing；The switch also includes switch chipware, the inside of the housing offers chipware installation plunger stage, feeler lever installation plunger stage is offered in the middle part of the bottom surface of the chipware installation plunger stage, feeler lever slide opening is offered in the middle part of the bottom surface of the feeler lever installation plunger stage, one end of the feeler lever and the spacing cooperation of feeler lever installation plunger stage, the other end and the feeler lever slide opening of the feeler lever are slidably matched；The lower end of the switch chipware and the top snap-fit of chipware installation plunger stage, the bottom surface of switch chipware pass sequentially through grease proofing diaphragm, the first sealing ring and the sealing of chipware installation plunger stage and coordinated.Not only sealing property is excellent by the design, effectively prevent fluid access switch, and durability is strong, reliability is high.
Description
Technical field
Reversed gear the present invention relates to the sky in the construction of switch in a kind of gearbox, more particularly to a kind of gearbox and switch knot
Structure, it is particularly applicable to improve the oil preventing performance of switch, improves the reliability of switch.
Background technology
Due to GB7258-2012《Motor vehicle safe and technical specification》It is middle regulation " using automatic transmission motor vehicle,
It should be ensured only when gearbox shifting device is kept off in parking by designing（" P " is kept off）Or neutral（" N " is kept off）Shi Fangke starts hair
Motivation [is kept off when having automatic start-stop function in driving（" D " is kept off）Also engine can be started]；Gearbox shifting device is changed to or passed through
Cross reverse gear shift（" R " is kept off）, and kept off by parking（" P " is kept off）, should be by the different directions of driver when position changes to other gears
Two action complete." therefore vehicle be only capable of starting in neutral, existing neutral position switch more use sealing ring enclosed switch push rod
Mode prevent inside the lubricating oil access switch in gearbox, but be due to sealing ring under the frequent promotion of push rod
Easily occur aging, cause seal failure, and then cause inside lubricating oil access switch, burn poor contact of contacts or short circuit
Erosion, causes neutral position switch to fail, causes vehicle not start, user can only ask the mode of trailer to repair vehicle, ties up
Accomplish this higher.
China Patent Publication No. is CN203796931U, and publication date is that in August, 2014 utility model patent of 27 days is disclosed
A kind of auto-manual transmission cars dry-reed neutral position switch, including it is plug assembly, spring, pressing plate, sealing ring, back-up ring, close
Packing, housing, push rod assembly and steel ball, wherein plug assembly include plug, inserted sheet I and inserted sheet II, inserted sheet I, inserted sheet II and insert
Head injection together, the bottom of the cylindric hollow cavity of step type of the housing be equipped with successively upwards steel ball, push rod assembly,
Spring, plug assembly, the top of housing and the side wall of plug assembly are riveted together, necking platform of the steel ball card in housing bottom
It is interior；The push rod assembly includes packing ring, magnet circle and push rod；There is a tongue tube to be placed in the range of the magnetic field induction of magnet circle, do
Extended end links together under inserted sheet in the upper and lower pin and plug assembly of reed pipe.Although the utility model has certain
Sealing effectiveness, but it still suffers from following defect：
The utility model seals push rod assembly using sealing ring, because the operating temperature of neutral position switch is in 150 degrees centigrades, compared with
At high temperature, frequently movable push bar, easily causes the aging of sealing ring to cause seal failure, causes lubricating oil to enter empty
Position switch in turn results in neutral position switch failure, causes vehicle not start.
The content of the invention
The purpose of the present invention is that there is provided a kind of sealing effectiveness the problem of overcoming the difference of sealing effectiveness present in prior art
Sky in good gearbox reverses gear construction of switch.
To realize object above, technical solution of the invention is：
A kind of sky in gearbox is reversed gear construction of switch, including housing and feeler lever, and the feeler lever is arranged in housing；
The switch also includes switch chipware, and the inside of the housing offers chipware installation plunger stage, the chipware installation plunger stage
Bottom surface in the middle part of offer feeler lever installation plunger stage, feeler lever slide opening is offered in the middle part of the bottom surface of the feeler lever installation plunger stage, it is described to touch
One end of bar and the spacing cooperation of feeler lever installation plunger stage, the other end and the feeler lever slide opening of the feeler lever are slidably matched；The switch core
The lower end of part and the top snap-fit of chipware installation plunger stage, the bottom surface of switch chipware pass sequentially through grease proofing diaphragm, the first sealing
Circle is sealed with chipware installation plunger stage to be coordinated.
The switch chipware includes switch cover and switch socket, and the top of the switch cover is connected with the bottom of switch socket
Connect, the bottom outer edge of the switch socket and the top snap-fit of chipware installation plunger stage, the bottom surface of the switch cover is successively
Sealed and coordinated by grease proofing diaphragm, the first sealing ring and chipware installation plunger stage；
Touching button groove is provided with the middle part of the switch cover, the bottom of the touching button groove is offered to be set in touching button hole, the touching button groove
Touching button is equipped with, bottom and the touching button hole of the touching button are slidably matched, the middle part of the touching button and the spacing cooperation in the bottom surface of touching button groove,
Metal movable contact spring is provided with the top of the touching button, the height of the touching button groove is more than the range of touching button；
It is provided with the middle part of the switch socket in spring mounting groove, the spring mounting groove and is provided with contact spring, it is described to touch
The bottom of flat spring and the top surface compression fit of metal movable contact spring, the top of the touching button with the bottom of contact spring is spacing matches somebody with somebody
Close, the both sides of the spring mounting groove are respectively arranged with a metallic plug, the bottom of the metallic plug is fixedly connected with quiet
Contact.
The section of the static contact is c-type, and the static contact includes upper stator, middle contact and lower contact, described solid
The middle part of stator is connected with metallic plug, and the sidepiece of fixed is vertical with the upper end of middle contact to be connected, it is described in touch
The lower end of piece is vertical with lower contact to be connected, and the metal movable contact spring is arranged between stator and lower contact, and the metal is moved
Contact is in contact with the lower contact of its both sides respectively.
Spring fixed hole is provided with the top of the touching button, one end of the contact spring is arranged at spring fixed hole, institute
The other end for stating contact spring is arranged in spring mounting groove.
The section of the static contact is L-type, and the static contact includes upper stator and contact, the middle part of fixed
It is connected with metallic plug, the sidepiece of fixed is vertical with the upper end of contact to be connected, the metal movable contact spring to contact
The distance of bottom is less than the range of touching button.
Spring fix bar is provided with the top of the touching button, one end of the contact spring is arranged in spring mounting groove,
The other end of the contact spring is sheathed in spring fix bar, and the bottom of contact spring is compressed with the top surface of metal movable contact spring matches somebody with somebody
Close.
The feeler lever includes slide bar, copper sheathing and feeler lever spring, and the copper sheathing passes through feeler lever spring and slide bar compression fit, institute
The one end and feeler lever slide opening for stating slide bar are slidably matched, the spacing cooperation of the other end of the slide bar and the bottom of copper sheathing, the slide bar
Top and the inwall of copper sheathing be slidably matched, the outer wall of the copper sheathing and the snug engagement of feeler lever installation plunger stage, the copper
The bottom of set and the bottom surface of copper sheathing feeler lever installation plunger stage are spacing to be coordinated, the bottom that the top surface of the copper sheathing passes through grease proofing diaphragm and touching button
Face pressure tight fit.
Seal groove, the sealing ring of underrun second of the switch socket are offered on the side wall of the chipware installation plunger stage
Seal and coordinate with seal groove.
The grease proofing diaphragm is biaxially oriented polyester film.
Compared with prior art, beneficial effects of the present invention are：
1st, the sky in a kind of gearbox of the invention, which reverses gear, encrypts the structure that seal compresses using diaphragm in construction of switch neutral is opened
Put capable sealing into, can effectively prevent fluid access switch chipware, cause switch failure, the design is in 150 celsius temperatures oil
Can continuously it be switched 1,000,000 times under immersion bubble environment.Therefore, the design sealing property oil, reliability height, good endurance.
2nd, the sky in a kind of gearbox of the invention, which reverses gear, passes through grease proofing diaphragm using feeler lever in construction of switch and promotes touching button to transport
It is dynamic, the both sides of grease proofing diaphragm are separated into two parts, liquid access switch chipware is prevented, while utilizing contact spring and feeler lever
The control stroke for controlling each part rational in infrastructure of spring, improves the durability of part.Therefore, the design structure design
Rationally, part durability is high.
What the 3rd, the sky in a kind of gearbox of the invention reversed gear that the structure of feeler lever in construction of switch can effectively improve switch can
By property, slide bar can realize the second-compressed of feeler lever stroke with the structure that copper sheathing is combined, and such structure is to be applicable to often
Contact switch is opened, normally-closed contact switch is equally applicable to, structure versatility is good, wide using scope, and due to feeler lever stroke
Compression, can effectively shorten the stroke of metal movable contact spring, improve the reliability of switch chipware.Therefore, the structure of the design feeler lever
Reasonable in design, versatility is good, and reliability is high.
4th, the sky in a kind of gearbox of the invention reverse gear switch chipware in construction of switch have normally opened contact switch with it is normally closed
Two kinds of different structures of contact switch, are effectively simplified the structure of transmission internal neutral and the switch shifting block that reverses gear, simplify change
The manufacturing process of fast case control lever shaft.Therefore, the design can realize normally opened and normally closed two kinds of contact structures, be effectively simplified speed change
The structure of case control lever shaft.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the structural representation of housing in Fig. 1.
Fig. 3 is embodiments of the invention 2.
Fig. 4 is embodiments of the invention 3.
In figure：Housing 1, chipware installation plunger stage 11, feeler lever installation plunger stage 12, feeler lever slide opening 13, seal groove 14, feeler lever 2, cunning
Bar 21, copper sheathing 22, feeler lever spring 23, switch chipware 3, switch cover 31, switch socket 32, touching button groove 33, touching button hole 34, touching button
35th, spring fixed hole 351, spring fix bar 352, metal movable contact spring 36, spring mounting groove 37, contact spring 38, metallic plug
39th, grease proofing diaphragm 4, the first sealing ring 41, the second sealing ring 42, static contact 5, upper stator 51, middle contact 52, lower contact 53,
Contact 54.
Embodiment
Below in conjunction with brief description of the drawings, the present invention is further detailed explanation with embodiment.
Referring to Fig. 1 to Fig. 4, the sky in a kind of gearbox reverses gear construction of switch, including housing 1 and feeler lever 2, the feeler lever 2
It is arranged in housing 1；
The switch also includes switch chipware 3, and the inside of the housing 1 offers chipware installation plunger stage 11, and the chipware is installed
Offered in the middle part of the bottom surface of heavy platform 11 and feeler lever cunning is offered in the middle part of feeler lever installation plunger stage 12, the bottom surface of the feeler lever installation plunger stage 12
Hole 13, one end and the spacing cooperation of feeler lever installation plunger stage 12 of the feeler lever 2, the other end and the feeler lever slide opening 13 of the feeler lever 2 are slided
It is dynamic to coordinate；The lower end of the switch chipware 3 and the top snap-fit of chipware installation plunger stage 11, switch the bottom surface of chipware 3 successively
Seal and coordinate with chipware installation plunger stage 11 by grease proofing diaphragm 4, the first sealing ring 41.
The switch chipware 3 includes switch cover 31 and switch socket 32, top and the switch socket 32 of the switch cover 31
Bottom be connected, the bottom outer edge of the switch socket 32 and the top snap-fit of chipware installation plunger stage 11 are described to open
The bottom surface for closing lid 31 passes sequentially through grease proofing diaphragm 4, the first sealing ring 41 and the sealing cooperation of chipware installation plunger stage 11；
The middle part of the switch cover 31 is provided with touching button groove 33, and the bottom of the touching button groove 33 offers touching button hole 34, described to touch
Touching button 35 is provided with button groove 33, bottom and the touching button hole 34 of the touching button 35 are slidably matched, the middle part of the touching button 35 is with touching
The bottom surface of button groove 33 is spacing to be coordinated, and the top of the touching button 35 is provided with metal movable contact spring 36, and the height of the touching button groove 33 is big
In the range of touching button 35；
The middle part of the switch socket 32 is provided with spring mounting groove 37, the spring mounting groove 37 and is provided with contact spring
38, the bottom of the contact spring 38 and the top surface compression fit of metal movable contact spring 36, top and the contact bullet of the touching button 35
The bottom of spring 38 is spacing to be coordinated, and the both sides of the spring mounting groove 37 are respectively arranged with a metallic plug 39, and the metal is inserted
First 39 bottom is fixedly connected with static contact 5.
The section of the static contact 5 is c-type, and the static contact 5 includes upper stator 51, middle contact 52 and lower contact 53,
The middle part of fixed 51 is connected with metallic plug 39, and the upper end of the sidepiece of fixed 51 and middle contact 52 is hung down
Direct-connected to connect, the lower end of the middle contact 52 is vertical with lower contact 53 to be connected, and the metal movable contact spring 36 is arranged at stator 51
Between lower contact 53, the metal movable contact spring 36 is in contact with the lower contact 53 of its both sides respectively.
The top of the touching button 35 is provided with spring fixed hole 351, and one end of the contact spring 38 is arranged at spring and consolidated
Determine hole 351, the other end of the contact spring 38 is arranged in spring mounting groove 37.
The section of the static contact 5 is L-type, and the static contact 5 includes upper stator 51 and contact 54, fixed
51 middle part is connected with metallic plug 39, and the sidepiece of fixed 51 is vertical with the upper end of contact 54 to be connected, the gold
Belong to the range that movable contact spring 36 is less than touching button 35 to the distance of the bottom of contact 54.
The top of the touching button 35 is provided with spring fix bar 352, and one end of the contact spring 38 is arranged at spring peace
In tankage 37, the other end of the contact spring 38 is sheathed in spring fix bar 352, and bottom and the metal of contact spring 38 are moved
The top surface compression fit of contact 36.
The feeler lever 2 includes slide bar 21, copper sheathing 22 and feeler lever spring 23, and the copper sheathing 22 passes through feeler lever spring 23 and slide bar
21 compression fits, one end and the feeler lever slide opening 13 of the slide bar 21 are slidably matched, the other end and the copper sheathing 22 of the slide bar 21
Bottom is spacing to be coordinated, and the top of the slide bar 21 and the inwall of copper sheathing 22 are slidably matched, and outer wall and the feeler lever of the copper sheathing 22 are pacified
The snug engagement of the heavy platform 12 of dress, the bottom of the copper sheathing 22 and the spacing cooperation in the bottom surface of copper sheathing feeler lever installation plunger stage 12, institute
The top surface for stating copper sheathing 22 passes through the bottom surface compression fit of grease proofing diaphragm 4 and touching button 35.
Seal groove 14, the underrun second of the switch socket 32 are offered on the side wall of the chipware installation plunger stage 11
Sealing ring 42 is sealed with seal groove 14 to be coordinated.
The grease proofing diaphragm 4 is biaxially oriented polyester film.
The principle of the present invention is described as follows：
The range of slide bar 21 is equal to the range of touching button 35 with slide bar 21 in the difference of the range of copper sheathing 22.
The design has passed through 1,000,000 long duration tests checking in test-bed.Endurancing requirement：Totally 100 ten thousand times, examination
Test circulation rate：0.4m/s.Wherein switch push rod part A is immersed in -40 DEG C of change-speed gearings oil, plus nominal load 5000 times；Open
Close in the change-speed gearing oil that push rod part A immerses 150 degrees Celsius, plus nominal load 49.5 ten thousand times；Switch the immersion of push rod part A
In 150 degrees Celsius of change-speed gearing oil, non-loaded 500,000 times.Require whether pilot switch break-make is normal in process of the test；Experiment
Full stroke power is not less than 22 newton, contact Ya Jiang≤0.1 volt afterwards, and meets remaining performance requirement.Sample warp after long duration test
Should be without oil leakage phenomenon after disassembling.
Embodiment 1：
Referring to Fig. 1 to Fig. 4, the sky in a kind of gearbox reverses gear construction of switch, including：Housing 1 and feeler lever 2, the feeler lever 2 are set
In in housing 1；The switch also includes switch chipware 3, and the inside of the housing 1 offers chipware installation plunger stage 11, the core
Offer and offered in the middle part of feeler lever installation plunger stage 12, the bottom surface of the feeler lever installation plunger stage 12 in the middle part of the bottom surface of part installation plunger stage 11
Feeler lever slide opening 13, one end and the spacing cooperation of feeler lever installation plunger stage 12 of the feeler lever 2, the other end and the feeler lever of the feeler lever 2 are slided
Hole 13 is slidably matched；The lower end of the switch chipware 3 and the top snap-fit of chipware installation plunger stage 11, switch the bottom of chipware 3
Face passes sequentially through grease proofing diaphragm 4, the first sealing ring 41 and seals and coordinate with chipware installation plunger stage 11；The switch chipware 3 includes opening
Lid 31 and switch socket 32 are closed, the top of the switch cover 31 is connected with the bottom of switch socket 32, the switch socket 32
Bottom outer edge and chipware installation plunger stage 11 top snap-fit, the bottom surface of the switch cover 31 passes sequentially through grease proofing diaphragm
4th, the first sealing ring 41 is sealed with chipware installation plunger stage 11 coordinates；The middle part of the switch cover 31 is provided with touching button groove 33, described
The bottom of touching button groove 33 offers and touching button 35 is provided with touching button hole 34, the touching button groove 33, and the bottom of the touching button 35 is with touching
Buttonhole 34 is slidably matched, and the middle part of the touching button 35 is set with the spacing cooperation in the bottom surface of touching button groove 33, the top of the touching button 35
There is metal movable contact spring 36, the height of the touching button groove 33 is more than the range of touching button 35；The middle part of the switch socket 32 is set
It is equipped with spring mounting groove 37, the spring mounting groove 37 and is provided with contact spring 38, bottom and the gold of the contact spring 38
Belong to the top surface compression fit of movable contact spring 36, the top of the touching button 35 and the spacing cooperation in the bottom of contact spring 38, the spring
The both sides of mounting groove 37 are respectively arranged with a metallic plug 39, and the bottom of the metallic plug 39 is fixedly connected with static contact 5；
The feeler lever 2 includes slide bar 21, copper sheathing 22 and feeler lever spring 23, and the copper sheathing 22 is compressed by feeler lever spring 23 with slide bar 21 matches somebody with somebody
Close, one end and the feeler lever slide opening 13 of the slide bar 21 are slidably matched, and the bottom of the other end and copper sheathing 22 of the slide bar 21 is spacing
Coordinate, the top of the slide bar 21 and the inwall of copper sheathing 22 are slidably matched, outer wall and the feeler lever installation plunger stage 12 of the copper sheathing 22
Snug engagement, the bottom of the copper sheathing 22 and the bottom surface of copper sheathing feeler lever installation plunger stage 12 are spacing to be coordinated, the copper sheathing 22
Top surface pass through the bottom surface compression fit of grease proofing diaphragm 4 and touching button 35；Offered on the side wall of the chipware installation plunger stage 11 close
Sealing groove 14, the second sealing ring of underrun 42 of the switch socket 32 is sealed with seal groove 14 to be coordinated；The grease proofing diaphragm 4 is
Biaxially oriented polyester film.
Embodiment 2：
Embodiment 2 is substantially the same manner as Example 1, and its difference is：
Referring to Fig. 3, the section of the static contact 5 is c-type, and the static contact 5 includes upper stator 51, middle contact 52 and lower contact
53, the middle part of fixed 51 is connected with metallic plug 39, and the sidepiece of fixed 51 is upper with middle contact 52
The vertical connection in end, the lower end of the middle contact 52 is vertical with lower contact 53 to be connected, and the metal movable contact spring 36 is arranged at fixation
Between piece 51 and lower contact 53, the metal movable contact spring 36 is in contact with the lower contact 53 of its both sides respectively；The touching button 35
Top is provided with spring fixed hole 351, and one end of the contact spring 38 is arranged at spring fixed hole 351, the contact spring
38 other end is arranged in spring mounting groove 37.
Embodiment 3：
Embodiment 3 is substantially the same manner as Example 2, and its difference is：
Referring to Fig. 4, the section of the static contact 5 is L-type, and the static contact 5 includes upper stator 51 and contact 54, described solid
The middle part of stator 51 is connected with metallic plug 39, and the sidepiece of fixed 51 is vertical with the upper end of contact 54 to be connected, institute
State the range that metal movable contact spring 36 is less than touching button 35 to the distance of the bottom of contact 54；The top of the touching button 35 is provided with bullet
Spring fix bar 352, one end of the contact spring 38 is arranged in spring mounting groove 37, the other end set of the contact spring 38
In spring fix bar 352, the bottom of contact spring 38 and the top surface compression fit of metal movable contact spring 36.
Claims (9)
- Construction of switch, including housing 1. the sky in a kind of gearbox reverses gear（1）And feeler lever（2）, the feeler lever（2）It is arranged at housing （1）It is interior, it is characterised in that：The switch also includes switch chipware（3）, the housing（1）Inside offer chipware installation plunger stage（11）, the core Part installation plunger stage（11）Bottom surface in the middle part of offer feeler lever installation plunger stage（12）, the feeler lever installation plunger stage（12）Bottom surface in the middle part of Offer feeler lever slide opening（13）, the feeler lever（2）One end and feeler lever installation plunger stage（12）It is spacing to coordinate, the feeler lever（2）'s The other end and feeler lever slide opening（13）It is slidably matched；The switch chipware（3）Lower end and chipware installation plunger stage（11）Top card Tight fit, switchs chipware（3）Bottom surface pass sequentially through grease proofing diaphragm（4）, the first sealing ring（41）With chipware installation plunger stage（11） Sealing coordinates.
- The construction of switch 2. sky in a kind of gearbox according to claim 1 reverses gear, it is characterised in that：The switch chipware（3）Including switch cover（31）And switch socket（32）, the switch cover（31）Top with switch insert Seat（32）Bottom be connected, the switch socket（32）Bottom outer edge and chipware installation plunger stage（11）Top card close-fitting Close, the switch cover（31）Bottom surface pass sequentially through grease proofing diaphragm（4）, the first sealing ring（41）With chipware installation plunger stage（11）It is close Envelope coordinates；The switch cover（31）Middle part be provided with touching button groove（33）, the touching button groove（33）Bottom offer touching button hole （34）, the touching button groove（33）Inside it is provided with touching button（35）, the touching button（35）Bottom and touching button hole（34）It is slidably matched, institute State touching button（35）Middle part and touching button groove（33）Bottom surface it is spacing coordinate, the touching button（35）Top be provided with metal movable contact spring （36）, the touching button groove（33）Height be more than touching button（35）Range；The switch socket（32）Middle part be provided with spring mounting groove（37）, the spring mounting groove（37）Inside it is provided with contact Spring（38）, the contact spring（38）Bottom and metal movable contact spring（36）Top surface compression fit, the touching button（35）'s Top and contact spring（38）Bottom it is spacing coordinate, the spring mounting groove（37）Both sides be respectively arranged with a metal insert Head（39）, the metallic plug（39）Bottom be fixedly connected with static contact（5）.
- The construction of switch 3. sky in a kind of gearbox according to claim 2 reverses gear, it is characterised in that：The static contact（5）Section be c-type, the static contact（5）Including upper stator（51）, middle contact（52）With lower contact （53）, fixed（51）Middle part and metallic plug（39）It is connected, fixed（51）Sidepiece with touch Piece（52）Upper end vertically connect, the middle contact（52）Lower end and lower contact（53）Vertical connection, the metal movable contact spring （36）It is arranged at stator（51）With lower contact（53）Between, the metal movable contact spring（36）Respectively with the lower contact of its both sides （53）It is in contact.
- The construction of switch 4. sky in a kind of gearbox according to claim 3 reverses gear, it is characterised in that：The touching button（35）Top be provided with spring fixed hole（351）, the contact spring（38）One end be arranged at spring Fixing hole（351）, the contact spring（38）The other end be arranged at spring mounting groove（37）It is interior.
- The construction of switch 5. sky in a kind of gearbox according to claim 2 reverses gear, it is characterised in that：The static contact（5）Section be L-type, the static contact（5）Including upper stator（51）And contact（54）, it is described solid Stator（51）Middle part and metallic plug（39）It is connected, fixed（51）Sidepiece and contact（54）Upper end it is vertical Connection, the metal movable contact spring（36）To contact（54）The distance of bottom is less than touching button（35）Range.
- The construction of switch 6. sky in a kind of gearbox according to claim 5 reverses gear, it is characterised in that：The touching button（35）Top be provided with spring fix bar（352）, the contact spring（38）One end be arranged at spring Mounting groove（37）It is interior, the contact spring（38）The other end be sheathed on spring fix bar（352）On, contact spring（38）Bottom Portion and metal movable contact spring（36）Top surface compression fit.
- The construction of switch 7. sky in a kind of gearbox according to any one in claim 2-6 reverses gear, it is characterised in that：The feeler lever（2）Including slide bar（21）, copper sheathing（22）With feeler lever spring（23）, the copper sheathing（22）Pass through feeler lever spring （23）With slide bar（21）Compression fit, the slide bar（21）One end and feeler lever slide opening（13）It is slidably matched, the slide bar（21） The other end and copper sheathing（22）Bottom it is spacing coordinate, the slide bar（21）Top and copper sheathing（22）Inwall be slidably matched, The copper sheathing（22）Outer wall and feeler lever installation plunger stage（12）Snug engagement, the copper sheathing（22）Bottom and copper sheathing touch Bar installation plunger stage（12）Bottom surface it is spacing coordinate, the copper sheathing（22）Top surface pass through grease proofing diaphragm（4）With touching button（35）Bottom Face pressure tight fit.
- The construction of switch 8. sky in a kind of gearbox according to claim 7 reverses gear, it is characterised in that：The chipware installation plunger stage（11）Side wall on offer seal groove（14）, the switch socket（32）Underrun Two sealing rings（42）With seal groove（14）Sealing coordinates.
- The construction of switch 9. sky in a kind of gearbox according to claim 7 reverses gear, it is characterised in that：The grease proofing diaphragm（4）For biaxially oriented polyester film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710391395.6A CN107146725A (en) | 2017-05-27 | 2017-05-27 | A kind of sky in gearbox reverses gear construction of switch |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710391395.6A CN107146725A (en) | 2017-05-27 | 2017-05-27 | A kind of sky in gearbox reverses gear construction of switch |
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| CN107146725A true CN107146725A (en) | 2017-09-08 |
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| CN201710391395.6A Pending CN107146725A (en) | 2017-05-27 | 2017-05-27 | A kind of sky in gearbox reverses gear construction of switch |
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| CN108320959A (en) * | 2018-01-10 | 2018-07-24 | 东风商用车有限公司 | It is a kind of secondary to start and halt switch |
| CN108565141A (en) * | 2018-06-08 | 2018-09-21 | 南通勇振机电有限公司 | A kind of elevator limit switch |
| CN114038695A (en) * | 2021-10-27 | 2022-02-11 | 安徽熹贾精密技术有限公司 | Novel waterproof ventilative back-up light switch sensor |
| CN114220685A (en) * | 2021-11-26 | 2022-03-22 | 陕西航空电气有限责任公司 | High-low gear switch of air pressure resistant structure for gearbox |
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| CN206806210U (en) * | 2017-05-27 | 2017-12-26 | 东风商用车有限公司 | A kind of empty reverse gear switch structure in gearbox |
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| CN114220685A (en) * | 2021-11-26 | 2022-03-22 | 陕西航空电气有限责任公司 | High-low gear switch of air pressure resistant structure for gearbox |
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Application publication date: 20170908 |