CN105261493B - Small travel switch - Google Patents
Small travel switch Download PDFInfo
- Publication number
- CN105261493B CN105261493B CN201510689737.3A CN201510689737A CN105261493B CN 105261493 B CN105261493 B CN 105261493B CN 201510689737 A CN201510689737 A CN 201510689737A CN 105261493 B CN105261493 B CN 105261493B
- Authority
- CN
- China
- Prior art keywords
- contact
- reducing sleeve
- axle
- installed part
- spring
- 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
- H01H3/00—Mechanisms for operating contacts
- H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
- H01H3/24—Power arrangements internal to the switch for operating the driving mechanism using pneumatic or hydraulic actuator
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/58—Electric connections to or between contacts; Terminals
- H01H1/5844—Electric connections to or between contacts; Terminals making use of wire-gripping clips or springs
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/02—Bases, casings, or covers
- H01H9/04—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Switches Operated By Changes In Physical Conditions (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The invention discloses a small limit switch, comprising a connector, an outer sleeve, an adapter sleeve, a fastener, a shaft, a contact mounting element, contacts, a reed mounting element, contact springs, a ball, a spring, an adjusting screw, a handle, seal rings and a fixed end cap. The adapter sleeve is in threaded connection with the outer sleeve, the outer sleeve and the connector are in flange mount disc connection, and the adapter sleeve and the fastener are also in flange mount disc connection. The contact mounting element is plastic-molded onto the shaft, and the reed mounting element is fixed in the adapter sleeve through the fixed end cap. The shaft is limited through the ball, the spring and the adjusting screw. The handle is fixed on the shaft, the seal rings are disposed respectively between the shaft and the adapter sleeve and between the adapter sleeve and the fastener, and an air inlet is disposed in the fastener. The invention effectively controls the catapulting of an aircraft seat, and when the internal air pressure of a gas pipe of the seat is greater than 2MPa, a switch is turned off to allow the aircraft seat to catapult. The invention has the advantages of simple structure, stable performance, high reliability, easy operation and high anti-electromagnetic interference capability.
Description
Technical field
The invention belongs to lifesaving Switch product, especially offer one kind are applied to be played inside Aircraft Ejection Seat and send
A kind of small-sized travel switch of ejection escape instruction effect.
Background technology
Ejector seat is the seat of pilot, in case of emergency pilot can be bounced off into aircraft and make it safe
The aviation life support equipment in land.The pop instruction of seat needs travel switch to send, accordingly, it is desirable to a kind of stable performance,
The high travel switch of reliability.
The content of the invention
It is an object of the invention to provide a kind of small-sized travel switch, its working method is pneumatic control mode, works as aircraft
During generation emergency, the switching of the gas pressure controlling switch by discharging inside seat, so that seat is ejected.
The technical scheme is that：A kind of small-sized travel switch, including：Connector 1, outer sleeve 2, reducing sleeve 3, fixation
Part 4, axle 5, contact installed part 6, contact 7, reed installed part 8, contact spring 9, ball 10, spring 11, adjusting screw 12, handle
13rd, sealing ring 14, fixed end cap 15；
The top of the reducing sleeve 3 is located at the inside of outer sleeve 2 and is threaded connection with outer sleeve 2, the bottom of the reducing sleeve 3
Inside fixture 4, dish-type is installed using flange between the outer sleeve 2 and connector 1, between reducing sleeve 3 and fixture 4
Formula is threaded connection；
The axle 5, contact installed part 6, contact 7, reed installed part 8, contact spring 9 are described to touch inside reducing sleeve 3
On axle 5, the contact 7 is arranged on contact installed part 6 the point plastic compression of installed part 6, and the contact spring 9 is installed installed in reed
On part 8, the reed installed part 8 is fixed on inside reducing sleeve 3 by fixed end cap 15, and the contact spring 9 is arranged in groups, often
Two one end of contact spring 9 of group are connected with same contact 7, and the other end is connected by wire with the contact of connector 1；
The corresponding groove of upper and lower two groups of horizontal directions is opened up on the axle 5, the groove size matches with ball 10, institute
State and the corresponding adjusting screw 12 of two horizontal directions is fixed with reducing sleeve 3, the axle 5 is by ball 10, spring 11, adjustment spiral shell
Nail 12 carries out spacing；
The reducing sleeve 3 and fixture 4 are provided with corresponding bar hole, and the handle 13 is fixed on axle 5 through bar hole,
Sealing ring 14 is provided between the axle 5 and reducing sleeve 3, between reducing sleeve 3 and fixture 4, the fixture 4 is provided with air admission hole
16。
The cover plate 17 for covering bar hole and handle 13 is installed on the reducing sleeve 3 and fixture 4.
Model JY27472T08F35SN of the connector 1.
The quantity of the contact spring 9 is two groups totally 4, and the quantity of the contact 7 is 2, and every group of contact spring 9 is tactile with one
Point 7 is connected.
The present invention has following beneficial effect：
The present invention effectively realizes the ejection of control aircraft seat, by the prison to aircraft seat inside Gas Pipe air pressure
Survey, when seat Gas Pipe air pressure inside is more than 2MPa, switch off so that aircraft seat is ejected.Present configuration is simple,
Stable performance, reliability are high, easy to operate, anti-electromagnetic interference capability is strong.
Description of the drawings
Fig. 1 is the outline drawing of the present invention；
Fig. 2 is the front view of the present invention；
Fig. 3 is the right view of the present invention；
Fig. 4 is the front sectional view of the present invention；
Fig. 5 is the side view cutaway drawing of the present invention；
Fig. 6 is connector contact electrical schematic diagram of the present invention；
In figure：1st, connector；2nd, outer sleeve；3rd, reducing sleeve；4th, fixture；5th, axle；6th, contact installed part；7th, contact；8、
Reed installed part；9th, contact spring；10th, ball；11st, spring；12nd, adjusting screw；13rd, handle；14th, sealing ring；15th, fixing end
Lid；16th, air admission hole；17th, cover plate.
Specific embodiment
Describe the present invention with reference to the accompanying drawings and examples.
As shown in figures 1 to 6, a kind of small-sized travel switch, including：Connector 1, outer sleeve 2, reducing sleeve 3, fixture 4, axle
5th, contact installed part 6, contact 7, reed installed part 8, contact spring 9, ball 10, spring 11, adjusting screw 12, handle 13, close
Seal 14, fixed end cap 15.
The top of reducing sleeve 3 is threaded connection located at the inside of outer sleeve 2 and with outer sleeve 2, and the bottom of reducing sleeve 3 is located at fixation
Inside part 4, connected by screw thread using flange mounting disc pattern between outer sleeve 2 and connector 1, between reducing sleeve 3 and fixture 4
Connect, installation dimension can be reduced using flange mounting disc type of attachment, with connector form export cause product installation and after
Continuous maintenance work is workable；Fixture 4 is provided with installing hole, for the fixation of product.
Axle 5, contact installed part 6, contact 7, reed installed part 8, contact spring 9 are located inside reducing sleeve 3, contact installed part
On axle 5, contact 7 is arranged on contact installed part 66 plastic compressions, and contact spring 9 is arranged on reed installed part 8, reed installed part
8 are fixed on inside reducing sleeve 3 by fixed end cap 15, and contact spring 9 is arranged in groups, per group of two one end of contact spring 9 with it is same
One contact 7 connects, and the other end is connected by wire with the contact of connector 1；
The corresponding groove of upper and lower two groups of horizontal directions is opened up on axle 5, groove size matches with ball 10, on reducing sleeve 3
The corresponding adjusting screw 12 of two horizontal directions is fixed with, axle 5 carries out spacing by ball 10, spring 11, adjusting screw 12；
Reducing sleeve 3 and fixture 4 are provided with corresponding bar hole, and handle 13 is fixed on axle 5 through bar hole, axle 5 with turn
It is provided with sealing ring 14 between female connector 3, between reducing sleeve 3 and fixture 4, fixture 4 is provided with air admission hole 16, reducing sleeve 3 and solid
Determine the cover plate 17 for covering bar hole and handle 13 is installed on part 4.
The quantity of contact spring 9 is two groups totally 4 in the present embodiment, and the quantity of contact 7 is 2, every group of contact spring 9 and one
Contact 7 is connected.Model JY27472T08F35SN of connector 1, there is 6 contact points, and " 1 " point of connector is normal with " 2 " point
Close, " 4 " point is normally closed with " 5 " point, it is null point that " 3 " are put with " 6 " point, switch " 1 " point and the disconnection of " 2 " point after switching, " 4 " put and " 5 "
Point disconnects.
Outer sleeve 2 is added by the machine of aluminium alloy 6061 and forms, and piece surface does black anodizing process after processing, increases product
The abilities such as salt spray resistance, wet-heat resisting, resistance to mould.Part one end is the flange mounting disc of 4 M3, for fixed connection device 1, the other end
For the screw thread of M24 × 2, for being connected with reducing sleeve 3, part cavities interior part is used to store the contact with connector 1 of contact spring 9
The wire of body connection.
Reducing sleeve 3 is added by the machine of aluminium alloy 6061 and forms, and piece surface does black anodizing process after processing, increases product
The abilities such as salt spray resistance, wet-heat resisting, resistance to mould.
Fixture 4 is added by the machine of aluminium alloy 6061 and forms, and piece surface does black anodizing process after processing, increases product
The abilities such as salt spray resistance, wet-heat resisting, resistance to mould.The installing hole of 2 Φ 4.2 of fixture 4 is used to install product.Fixture 4 with turn
Female connector 3 is connected by flange mounting disc, and contact portion is sealed by O-ring seal 14.
Axle 5 is added by stainless steel machine and forms, and machine adds rear surface to do Passivation Treatment, and contact installed part 6 is by insulating properties and intensity
Comprehensive stronger glass fibre reinforced phenolic moulding compound inlays plastic compression on axle 5, it is ensured that intensity and insulating properties, and contact 7 is copper
Silk machine adds and forms, and machine adds rear surface to do gold-plated process.
Contact spring 9 is that the beryllium-bronze panel beating band by thickness for 0.3mm is formed, and beryllium bronze band elasticity and electric conductivity are fine,
Qualitative process is done after panel beating, then surface gold-plating, increase the wearability of contact surface, improve product service life.Reed installed part 8
Formed by the comprehensive stronger glass fibre reinforced phenolic moulding compound plastic compression of insulating properties and intensity, its intensity is high, good insulating.Connect
Contact surface epoxy glue embedding after tactile reed 9 and the cooperation of reed installed part 8, it is ensured that its is solid and reliable.Contact spring 9 and spring
It is fixed in inside reducing sleeve 3 by fixed end cap 15 after piece installed part 8 and the cooperation of reducing sleeve 3.
Ball 10, spring 11 and adjusting screw 12 are used for spacing, the forward and backward position of restriction conversion.
Handle 13 adds for stainless steel machine and forms, and machine adds rear surface to do Passivation Treatment, and its effect is instruction, position limitation protection, extensive
It is multiple.Because product surface cannot see its internal state, product working status can clearly be found out by the present position of handle 13,
After switch conversion, can be recovered to original state by handle 13.
The material of sealing ring 14 is nitrile rubber, and it is mainly characterized by low temperature resistant, -55 DEG C～85 DEG C of satisfaction, and sealing ring 14 is made
Be ensure interiors of products sealing.
A kind of small-sized travel switch of the present invention belongs to lifesaving Switch product, and the trip switch application is in aircraft bullet
Penetrate inside seat play a part of ejection escape instruction send.The working method of this kind of travel switch is pneumatic control mode, its
Principle is：Applied on the axle of switch by the pressure not less than 2MPa so that switch switches to disconnection by conducting.The product
Appearance and size is 95mm × 41mm × 40mm (length × width × height) (including socket).The switch is frame for movement switch, switch
Conversion power size can be adjusted by the adjusting screw 12 of product, by the groove double limitation on handle 13 and axle 5, so should
Travel switch reliability is high, is resetted by stirring handle 13 and will switch, and easy to operate, switch surface adopts all-metal closing machine
Structure, anti-electromagnetic interference capability is strong, can under the conditions of -55 DEG C～70 DEG C steady operation, the product can bear 6 direction 30g impacts
Acceleration, vibration meets GJB 150A related requests.
Above-described embodiment technology design only to illustrate the invention and feature, its object is to allow person skilled in the art
Scholar will appreciate that present disclosure and implement according to this, can not be limited the scope of the invention with this.It is all according to the present invention
Equivalence changes or modification that Spirit Essence is made, all should be included within the scope of the present invention.
Claims (4)
1. a kind of small-sized travel switch, it is characterised in that include：Connector (1), outer sleeve (2), reducing sleeve (3), fixture
(4), axle (5), contact installed part (6), contact (7), reed installed part (8), contact spring (9), ball (10), spring (11),
Adjusting screw (12), handle (13), sealing ring (14), fixed end cap (15)；
Reducing sleeve (3) top is internal located at outer sleeve (2) and is threaded connection with outer sleeve (2), the reducing sleeve (3)
Bottom is internal located at fixture (4), adopts between the outer sleeve (2) and connector (1), between reducing sleeve (3) and fixture (4)
It is threaded connection with flange mounting disc pattern；
The axle (5), contact installed part (6), contact (7), reed installed part (8), contact spring (9) are in reducing sleeve (3)
Portion, contact installed part (6) plastic compression on axle (5), the contact (7) on contact installed part (6), the contact spring
On reed installed part (8), the reed installed part (8) is fixed in reducing sleeve (3) piece (9) by fixed end cap (15)
Portion, the contact spring (9) is arranged in groups, and per group of two contact spring (9) one end are connected with same contact (7), two per group
Contact spring (9) other end is connected by wire with the contact of connector (1)；
The corresponding groove of upper and lower two groups of horizontal directions is opened up on the axle (5), the groove size matches with ball (10), institute
State and the corresponding adjusting screw (12) of two horizontal directions is fixed with reducing sleeve (3), the axle (5) is by ball (10), spring
(11), adjusting screw (12) carries out spacing；
The reducing sleeve (3) and fixture (4) are provided with corresponding bar hole, and the handle (13) is fixed on axle through bar hole
(5) on, sealing ring (14) is provided between the axle (5) and reducing sleeve (3), between reducing sleeve (3) and fixture (4), it is described solid
Determine part (4) and be provided with air admission hole (16).
2. according to a kind of small-sized travel switch described in claim 1, it is characterised in that the reducing sleeve (3) and fixture (4)
On the cover plate (17) for covering bar hole and handle (13) is installed.
3. according to a kind of small-sized travel switch described in claim 1, it is characterised in that the model of the connector (1)
JY27472T08F35SN。
4. according to a kind of small-sized travel switch described in claim 3, it is characterised in that contact spring (9) quantity is two
Group totally 4, contact (7) quantity is 2, and every group of contact spring (9) is connected with a contact (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510689737.3A CN105261493B (en) | 2015-10-22 | 2015-10-22 | Small travel switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510689737.3A CN105261493B (en) | 2015-10-22 | 2015-10-22 | Small travel switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105261493A CN105261493A (en) | 2016-01-20 |
| CN105261493B true CN105261493B (en) | 2017-05-10 |
Family
ID=55101134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510689737.3A Active CN105261493B (en) | 2015-10-22 | 2015-10-22 | Small travel switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105261493B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107665780B (en) * | 2017-11-06 | 2019-12-03 | 山东博恩电气有限公司 | Hardware blocking device for phase-change switch permanent-magnet operating mechanism |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3201490C2 (en) * | 1982-01-20 | 1985-08-22 | Leopold Kostal GmbH & Co KG, 5880 Lüdenscheid | Electric switch |
| CN104129505B (en) * | 2014-07-25 | 2016-04-27 | 沈阳兴华航空电器有限责任公司 | A kind of travel switch |
| CN205140785U (en) * | 2015-10-22 | 2016-04-06 | 沈阳兴华航空电器有限责任公司 | Small -size travel switch |
-
2015
- 2015-10-22 CN CN201510689737.3A patent/CN105261493B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105261493A (en) | 2016-01-20 |
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| GR01 | Patent grant |