CN106081071A - A kind of Novel electric door trip cam trigger mechanism - Google Patents
A kind of Novel electric door trip cam trigger mechanism Download PDFInfo
- Publication number
- CN106081071A CN106081071A CN201610384657.1A CN201610384657A CN106081071A CN 106081071 A CN106081071 A CN 106081071A CN 201610384657 A CN201610384657 A CN 201610384657A CN 106081071 A CN106081071 A CN 106081071A
- Authority
- CN
- China
- Prior art keywords
- depression bar
- electric switch
- locking key
- switch
- cam
- 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
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C25/00—Alighting gear
- B64C25/02—Undercarriages
- B64C25/08—Undercarriages non-fixed, e.g. jettisonable
- B64C25/10—Undercarriages non-fixed, e.g. jettisonable retractable, foldable, or the like
- B64C25/18—Operating mechanisms
- B64C25/26—Control or locking systems therefor
-
- 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
- H01H3/42—Driving mechanisms, i.e. for transmitting driving force to the contacts using cam or eccentric
Abstract
A kind of Novel electric door trip cam trigger mechanism that the present invention provides, including switch, extension spring, piston rod, pressurized strut of unblanking, lock housing, locking key, electric switch depression bar and electric switch support；Switch is fixedly mounted on electric switch support, and electric switch depression bar one end is connected with lock housing by bolt, and the other end is connected with described electric switch support by extension spring；The electric switch depression bar other end is also equipped with electric switch briquetting, and electric switch briquetting is positioned at below switch, is used for triggering switch；One depression bar roller is installed in the middle part of electric switch depression bar, for locking key below depression bar roller, a locking key cam it is provided with at locking key rotating shaft, locking key cam coordinates with depression bar roller, is transmitted the power transmitted from locking key to depression bar roller by locking key cam, drives electric switch briquetting to trigger switch, trigger process electric switch depression bar is the most reliable, the speed of electric switch depression bar is under extension spring cushioning effect, to switch without impact, switch service life is greatly improved.
Description
Technical field
The invention belongs to undercarriage technical field, be specifically related to a kind of Novel electric door trip cam trigger mechanism.
Background technology
In Aircraft landing gear system, the latch hook being arranged on housing construction is by the lock ring hook on undercarriage moving link
Live, thus moving link is fixed on desired location.The form that this is undercarriage down lock and uplock, cabin door lock is conventional,
Ask undercarriage and hatch door that mechanical lock can be utilized automatically to be locked in and receive upper and extended position.Meanwhile, undercarriage instruction system is just
Often work is the most important, needs accurately to provide the signal of telecommunication to feed back to related system, to show whether undercarriage and hatch door are located
Put down or locking state in safety.Therefore micro-switch switch is widely used in indicating the shape of locking and unblank of mechanical lock mechanism
State.
In general, mechanical lock unlocking mechanism is by lock housing, latch hook, locking key, pressurized strut of unblanking, stretching spring, rocking arm, electric switch
The micro-switch switches of depression bar and instruction etc. form, and electric switch depression bar is typically and locking key rocking arm is installed together.When unblanking, live
Stopper rod stretches out promotion locking key, and the electric switch depression bar pressing on locking key band motion rocker arm triggers microswitch.
Owing to locking key and electric switch depression bar are installed as one, therefore electric switch depression bar trigger process speed is suitable with piston rod speed,
The most this electric switch triggering mode makes switch impact relatively big, affects switch life.
Summary of the invention
To be solved by this invention is existing electric switch depression bar trigger process, and switch impact is big affects the life-span
Technical problem, it is provided that a kind of Novel electric door trip cam trigger mechanism, in order to improve switch when mechanical lock mechanism is unblanked
Impact.
In order to solve the technical problem of the present invention, the present invention is achieved by the following technical solutions: a kind of novel electric switch
Switch cam trigger mechanism, including switch 1, extension spring 2, piston rod 3, pressurized strut 4 of unblanking, lock housing 5, locking key 6, electric switch depression bar
7 and electric switch support 8；Described switch 1 is fixedly mounted on electric switch support 8, and bolt and lock are passed through in described electric switch depression bar 7 one end
Shell 5 connects, and the other end is connected with described electric switch support 8 by described extension spring 2；Described electric switch depression bar 7 other end is also equipped with electricity
Door briquetting 13, described electric switch briquetting 13 is positioned at below switch 1, is used for triggering switch 1；In the middle part of described electric switch depression bar 7
One depression bar roller 12 is installed, for locking key 6 below described depression bar roller 12, at described locking key 6 rotating shaft, is provided with a locking key cam
61, described locking key cam 61 coordinates with depression bar roller 12, is transmitted to depression bar roller 12 by locking key cam 61 and transmits from locking key 6
Power, drive electric switch briquetting 7 to trigger switch 1, trigger process electric switch depression bar 7 is the most reliable, and the speed of electric switch depression bar 7 is being drawn
Under spring 2 cushioning effect, to switch 1 without impact, switch 1 service life is greatly improved.
Preferably, described electric switch depression bar 7 termination is provided with the boss of band circular hole, and described extension spring 2 one end is through described boss
Circular hole is connected with described electric switch depression bar 7, and described extension spring 2 other end is fixedly connected on electric switch support 8.
Preferably, described electric switch depression bar 7 and described locking key 6 are separated, at locking key 6 rotating shaft, increases locking key cam 61 tie
Structure, simultaneously in order to ensure the reliability that electric switch depression bar 7 works, described electric switch depression bar 7 one end connects electric switch support 8 by extension spring 2,
Extension spring 2 is so that electric switch depression bar 7 remains at initial position under locking state and will not rotate.
Preferably, described locking key 6 is provided with band oilhole axle 10 and band oil groove lining 11, described band oilhole axle 10 and band oil groove
Lining 11, through locking key 6 endoporus, is installed by nut and pad, described lock housing 5, electric switch support 8 and locking key 6 is connected to one
Rise.
Preferably, at the rotating shaft of described locking key cam 61, increase pump nozzle 9, by band oilhole axle 10 and band oil groove lining 11,
It is lubricated at locking key cam 61 rotating shaft.
Preferably, described band oilhole axle 10 carries out locking by nut and spring washer.
Preferably, described electric switch depression bar 7 is provided with rotating shaft 14, and described depression bar roller 12 is installed on electric switch pressure by rotating shaft 14
In the middle of bar 7, described rotating shaft 14 end split pin is insured.
Compared with prior art, the present invention obtains and provides the benefit that:
A kind of Novel electric door trip cam trigger mechanism disclosed by the invention, separates electric switch depression bar and locking key, in locking key rotating shaft
Place increases locking key cam structure, and simultaneously in order to ensure the reliability that depression bar works, electric switch depression bar one end connects electric switch by extension spring
Support, extension spring is so that electric switch depression bar remains at initial position under locking state and will not rotate.For ensureing to trigger electricity
The power of door trip, installs a depression bar roller and locking key cam engagement in the middle of electric switch depression bar, the depression bar other end installs electric switch briquetting.
Transmitted the power transmitted from locking key by locking key cam to depression bar roller, drive electric switch briquetting to trigger switch, trigger process
Electric switch depression bar is steadily reliable, and the speed of electric switch depression bar, under extension spring cushioning effect, to switch without impact, can be greatly improved electricity
Door trip service life；A kind of Novel electric door trip cam trigger mechanism disclosed by the invention, effectively reduces fault rate, improves electricity
The reliability of door switch mechanism and maintainability, be greatly improved switch service life.
Accompanying drawing explanation
Fig. 1 is present configuration schematic diagram.
Fig. 2 is the cam trigger mechanism schematic diagram that Fig. 1 conceals pressurized strut of unblanking.
Fig. 3 is Figure 1A-A cross sectional view.
Fig. 4 is Figure 1B direction view.
Reference: 1, switch；2, extension spring；3, piston rod；4, unblank pressurized strut；5, lock housing；6, locking key；61, lock
Key cam；7, electric switch depression bar；8, electric switch support；9, pump nozzle；10, band oilhole axle；11, band oil lining；12, depression bar roller；13、
Electric switch briquetting；14, rotating shaft；15, depression bar rotating shaft.
Specific embodiments
Below in conjunction with the accompanying drawings, embodiment is described in detail.
See accompanying drawing 1 to accompanying drawing 4, a kind of Novel electric door trip cam trigger mechanism, including switch 1, extension spring 2, live
Stopper rod 3, pressurized strut 4 of unblanking, lock housing 5, locking key 6, electric switch depression bar 7 and electric switch support 8；Described switch 1 is fixedly mounted on electricity
On door bracket 8, described electric switch depression bar 7 one end is connected with lock housing 5 by bolt, and the other end is by described extension spring 2 and described electric switch
Support 8 connects；Described electric switch depression bar 7 other end is also equipped with electric switch briquetting 13, and described electric switch briquetting 13 is positioned at switch 1 time
Side, is used for triggering switch 1；One depression bar roller 12 is installed in the middle part of described electric switch depression bar 7, below described depression bar roller 12 is
Locking key 6, is provided with a locking key cam 61 at described locking key 6 rotating shaft, described locking key cam 61 coordinates with depression bar roller 12, by lock
Key cam 61 transmits the power transmitted from locking key 6 to depression bar roller 12, drives electric switch briquetting 7 to trigger switch 1, trigger process
Electric switch depression bar 7 is the most reliable, and the speed of electric switch depression bar 7, under extension spring 2 cushioning effect, to switch 1 without impact, is greatly improved
Switch 1 service life.
Further, described electric switch depression bar 7 termination is provided with the boss of band circular hole, and described extension spring 2 one end passes described boss
Circular hole be connected with described electric switch depression bar 7, described extension spring 2 other end is fixedly connected on electric switch support 8.
Further, described electric switch depression bar 7 and described locking key 6 are separated, at locking key 6 rotating shaft, increases locking key cam 61 tie
Structure, simultaneously in order to ensure the reliability that electric switch depression bar 7 works, described electric switch depression bar 7 one end connects electric switch support 8 by extension spring 2,
Extension spring 2 is so that electric switch depression bar 7 remains at initial position under locking state and will not rotate.
Further, described locking key 6 is provided with band oilhole axle 10 and band oil groove lining 11, described band oilhole axle 10 and band oil
Slot liner set 11, through locking key 6 endoporus, is installed by nut and pad, described lock housing 5, electric switch support 8 and locking key 6 is connected to one
Rise.
Further, pump nozzle 9 is increased at the rotating shaft of described locking key cam 61, by band oilhole axle 10 and band oil groove lining
11, it is lubricated at locking key cam 61 rotating shaft.
Further, described band oilhole axle 10 carries out locking by nut and spring washer.
Further, described electric switch depression bar 7 is provided with rotating shaft 14, and described depression bar roller 12 is installed on electric switch by rotating shaft 14
In the middle of depression bar 7, described rotating shaft 14 end split pin is insured.
When mechanical lock mechanism is unblanked, pressurized strut 4 of unblanking is under hydraulic oil effect, and piston rod 3 stretches out, and promotes locking key 6, lock
Key 6 rotates around band oilhole axle 10, drives locking key cam 61 to rotate, and locking key cam 61 connects with the depression bar roller 12 on electric switch depression bar 7
Touching and it up promoted, electric switch depression bar 7 rotates around depression bar rotating shaft 15, drives electric switch briquetting 13 to trigger electric switch and moves pass 1.Wherein electricity
Door depression bar 7 one end is connected with extension spring 2, and extension spring 2 other end is connected with electric switch support 9.Door depression bar 7 remains under locking state
Will not rotate at initial position.In order to ensure locking key cam 61 functional reliability, at locking key cam 61 rotating shaft, increase note
Oil nozzle 9, by band oilhole axle 10 and band oil groove lining 11, is lubricated at locking key cam 61 rotating shaft, and band oilhole axle 10 passes through
Nut and spring washer carry out locking；Depression bar roller 12 is installed in the middle of electric switch depression bar 7 by rotating shaft 14, and is entered by split pin
Row insurance.
Listed above is only one of specific embodiment of the present invention.It is clear that the invention is not restricted to above example, also may be used
There to be many similar reshapings.Those of ordinary skill in the art can directly derive from present disclosure or associate
All deformation, are all considered as invention which is intended to be protected.
Claims (6)
1. a Novel electric door trip cam trigger mechanism, it is characterised in that: include switch (1), extension spring (2), piston rod
(3), unblank pressurized strut (4), lock housing (5), locking key (6), electric switch depression bar (7) and electric switch support (8)；Described switch (1) is solid
Dingan County is contained on electric switch support (8), and described electric switch depression bar (7) one end is connected with lock housing (5) by bolt, and the other end is by described
Extension spring (2) is connected with described electric switch support (8)；Described electric switch depression bar (7) other end is also equipped with electric switch briquetting (13), described electricity
Door briquetting (13) is positioned at switch (1) lower section；A depression bar roller (12), described pressure are installed in described electric switch depression bar (7) middle part
Bar roller (12) lower section for locking key (6), is provided with a locking key cam (61) at described locking key (6) rotating shaft, described cam (61) with
Depression bar roller (12) coordinates.
2. a kind of Novel electric door trip cam trigger mechanism as claimed in claim 1, it is characterised in that: described electric switch depression bar
(7) termination is provided with the boss of band circular hole, and described extension spring (2) one end connects through the circular hole of described boss with described electric switch depression bar (7)
Connecing, described extension spring (2) other end is fixedly connected on electric switch support (8).
3. a kind of Novel electric door trip cam trigger mechanism as claimed in claim 1, it is characterised in that: in described locking key (6)
It is provided with band oilhole axle (10) and band oil groove lining (11), described band oilhole axle (10) and band oil groove lining (11) through locking key (6)
Endoporus, is installed by nut and pad, described lock housing (5), electric switch support (8) and locking key (6) is linked together.
4. a kind of Novel electric door trip cam trigger mechanism as claimed in claim 3, it is characterised in that: described locking key cam
(61) pump nozzle (9) is increased at rotating shaft, by band oilhole axle (10) and band oil groove lining (11), at locking key cam (61) rotating shaft
It is lubricated.
5. a kind of Novel electric door trip cam trigger mechanism as claimed in claim 4, it is characterised in that: described band oilhole axle
(10) carry out locking by nut and spring washer.
6. a kind of Novel electric door trip cam trigger mechanism as claimed in claim 1, it is characterised in that: described electric switch depression bar
(7) being provided with rotating shaft (14), described depression bar roller (12) is installed in the middle of electric switch depression bar (7) by rotating shaft (14), described rotating shaft
(14) end split pin is insured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610384657.1A CN106081071B (en) | 2016-06-02 | 2016-06-02 | A kind of novel switch cam trigger mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610384657.1A CN106081071B (en) | 2016-06-02 | 2016-06-02 | A kind of novel switch cam trigger mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106081071A true CN106081071A (en) | 2016-11-09 |
| CN106081071B CN106081071B (en) | 2018-11-27 |
Family
ID=57448108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610384657.1A Active CN106081071B (en) | 2016-06-02 | 2016-06-02 | A kind of novel switch cam trigger mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106081071B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109533299A (en) * | 2018-11-30 | 2019-03-29 | 四川腾盾科技有限公司 | A kind of trigger mechanism of unmanned plane undercarriage wheel load switch |
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| GB1535206A (en) * | 1976-10-25 | 1978-12-13 | Westinghouse Brake & Signal | Rail vehicle trip switch devices |
| CN201745745U (en) * | 2010-07-20 | 2011-02-16 | 中国航空工业集团公司西安飞机设计研究所 | Strut lock mechanism in landing position of airplane landing gear |
| CN102417033A (en) * | 2010-09-28 | 2012-04-18 | 林登贝格利勃海尔-航空股份有限公司 | Locking system and switching device for a locking system |
| CN102442429A (en) * | 2011-12-13 | 2012-05-09 | 江西洪都航空工业集团有限责任公司 | Uplock of retractable arrester hook |
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| CN204433026U (en) * | 2014-12-19 | 2015-07-01 | 成都飞机设计研究所 | A kind of hatch door is received and is put in place and lock detection device |
| CN105398568A (en) * | 2015-11-27 | 2016-03-16 | 中国航空工业集团公司沈阳飞机设计研究所 | Undercarriage locking mechanism |
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2016
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| GB1535206A (en) * | 1976-10-25 | 1978-12-13 | Westinghouse Brake & Signal | Rail vehicle trip switch devices |
| CN201745745U (en) * | 2010-07-20 | 2011-02-16 | 中国航空工业集团公司西安飞机设计研究所 | Strut lock mechanism in landing position of airplane landing gear |
| CN102417033A (en) * | 2010-09-28 | 2012-04-18 | 林登贝格利勃海尔-航空股份有限公司 | Locking system and switching device for a locking system |
| CN102442429A (en) * | 2011-12-13 | 2012-05-09 | 江西洪都航空工业集团有限责任公司 | Uplock of retractable arrester hook |
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| CN204433026U (en) * | 2014-12-19 | 2015-07-01 | 成都飞机设计研究所 | A kind of hatch door is received and is put in place and lock detection device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109533299A (en) * | 2018-11-30 | 2019-03-29 | 四川腾盾科技有限公司 | A kind of trigger mechanism of unmanned plane undercarriage wheel load switch |
| CN109533299B (en) * | 2018-11-30 | 2024-03-22 | 四川腾盾科技有限公司 | Trigger mechanism of unmanned aerial vehicle undercarriage wheel load switch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106081071B (en) | 2018-11-27 |
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