CN201544949U - Vehicle-used hemispherical angle cock with elastic handlebar - Google Patents
Vehicle-used hemispherical angle cock with elastic handlebar Download PDFInfo
- Publication number
- CN201544949U CN201544949U CN2009202122845U CN200920212284U CN201544949U CN 201544949 U CN201544949 U CN 201544949U CN 2009202122845 U CN2009202122845 U CN 2009202122845U CN 200920212284 U CN200920212284 U CN 200920212284U CN 201544949 U CN201544949 U CN 201544949U
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- CN
- China
- Prior art keywords
- handgrip
- hole
- locating support
- valve body
- sheet 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a vehicle-used hemispherical angle cock with an elastic handle, which includes a valve body combination structure, a handlebar combination structure, a connector and a hemispherical valve core, wherein the handle combination structure includes a handlebar, a positioning support, a blade spring and a rotating shaft; an air inlet is formed at the front end of the valve body combination structure through the connector, and an air outlet is formed at the tail end; a pin hole and a shaft hole are formed on the positioning support, the blade spring is arranged on the positioning support, the front part of the blade spring is arc-shaped, a through hole is formed at the rear part of the straight-shaped blade spring, the pin hole and the shaft hole are formed on the handle, the handle is arranged on the blade spring, the pin hole of the shaft corresponds to the through hole of the blade spring and the shaft hole of the positioning support, the pin hole of the handle corresponds to the pin hole of the positioning support, the front part of the blade spring wraps the periphery of the pin hole of the handle, and the rotating shaft penetrates the pin holes to connect the positioning support with the handle; and the handle combination structure is mounted at the upper end of a valve body combination structure through a hemispherical valve core. The utility model can ensure the angle cock, can keep perfect positioning and locking in the switching position, and avoids the misoperation of the angle cock caused by an outer force.
Description
Technical field
The utility model relates to the angle cock in the railway rolling stock brake system.
Background technology
Railroad train braking is to provide pressurized air by locomotive, is transported to every joint railway carriage through airduct, by controlling compressed-air actuated charging and discharging, controls finally that foundation brake rigging realizes.Angle cock promptly is the valve that is used for connecting with switch locomotive and vehicle airduct, the structure of existing angle cock is as follows: referring to Fig. 1, angle cock comprises valve body combination mechanism 1, handgrip 2, connector 3, locating support 4 and attaching parts 111, and wherein valve body combination mechanism 1 comprises valve body 101, cam chair 102, flat gasket 103, blow off valve 104, valve spring 105, valve body lower cover 106, packing seal 107, rubber valve 108, exhaust valve seat 109 and dome-type valve rod 112.Valve body 101 is main bodys, and cam chair 102 is installed in valve body 101 tops, and the groove in the cam chair 102 is straight pin 110 drive dome-type valve rods 112 the moving up and down when the switch position that is used to control dome-type valve rod 112.Exhaust valve seat 109 is installed in the bottom of cam chair 102, is equipped with flat gasket 103 and blow off valve 104 on the dome-type valve rod 112, and when angle cock was in out, the sealing of fitting of blow off valve 104 and exhaust valve seat 109 made exhausr port 12 no leaks on valve body 101 tops.Valve spring 105 is installed in dome-type valve rod 112 bottoms, is used to promote dome-type valve rod 112 upward movements, and valve body lower cover 106 and packing seal 107 are mounting hole and the sutaining valve springs 105 that are used for sealed valve body 101 bottoms.Valve body 101 front ends link to each other with connector 3 by rubber valve 108, the front end of connector 3 has admission port 10, and admission port 10 joins with locomotive brake master gas circuit pipe, when angle cock is in close stance, rubber valve 108 is fitted with dome-type valve rod 112 spheres and is sealed, and promptly closes admission port 10.Valve body 101 rear ends have air extractor duct 11, and promptly valve body combination mechanism 1 rear end has air extractor duct 11, and air extractor duct 11 joins with the external pressure flexible pipe, and admission port 10 communicates with air extractor duct 11.The screw thread and the step on dome-type valve rod 112 tops are used for assembling and positioning support 4, it is the upper end that locating support 4 is arranged on valve body combination mechanism 1, handgrip 2 is arranged on the locating support 4, and handgrip 2, locating support 4 is connected with valve body combination mechanism 1 upper end by attaching parts 111.
The reliability of angle cock has determined the safety of rolling stock operation.Guaranteeing that the angle cock switch puts defensive position in place accurately locating and lock, do not make the handgrip misoperation because of locomotive operation vibration or other external force effect, prevent from that angle cock is unexpected to turn-off or open, is the basic function of angle cock necessity.
For guarantee angle cock handle like clockwork switch put in place and lock, existing angle cock handle positioning and locking method has two kinds: first kind is that handgrip adopts different hole tolerances with the connection pin-and-hole of locating support, handgrip can be rotated up and down flexibly, the deadweight of armrest handle is fallen after the handgrip switch puts in place, make handgrip snap into journal stirrup place, valve body location position and lock, but the vibration during because of locomotive operation, handgrip may take place to takeoff handgrip and valve body location journal stirrup is broken away from, produce misoperation, at this moment the brake system of train can be malfunctioning, thereby influence traffic safety.Second kind to be handgrip prevent that with the resistance that axis hole adopts less hole tolerance to add the spring pivot pin to increase handgrip and elastic axis of being connected of locating support the accident of handgrip from lifting the misoperation with handgrip.This positioning and locking method needs manpower that handgrip is pressed downwardly onto on the positioning and locking face after each switch puts in place, because the randomness of human element can't guarantee to press down and can both put in place at every turn in practical operation.And this positioning and locking method is because handgrip is often operated, and after long-time use, the handgrip axis hole will wear and tear, handgrip and the shock damping action between the elastic axis after the wearing and tearing can lose efficacy, the situation that first kind of positioning and locking method will occur can cause the handgrip misoperation, has influence on traffic safety.
The utility model content
The purpose of this utility model is to provide a kind of locomotive elasticity handgrip dome-type angle cock, and this angle cock can guarantee that angle cock handle remains good position and lock in switch bit, avoids angle cock handle to cause misoperation because of the external force effect.
The utility model is achieved in that
A kind of locomotive elasticity handgrip dome-type angle cock, comprise the valve body combination mechanism, handgrip, connector and locating support, valve body combination mechanism front end links to each other with connector, the connector front end has admission port, valve body combination mechanism rear end has air extractor duct, admission port communicates with air extractor duct, locating support is arranged on valve body combination mechanism upper end, have pin-and-hole and axis hole on the locating support from front to back, handgrip is arranged on the locating support, the handgrip first half has pin-and-hole and axis hole, and the pin-and-hole on the handgrip is corresponding with pin-and-hole and axis hole position on the locating support respectively with axis hole, and the handgrip latter half bends downwards; Described angle cock also comprises the sheet spring, rotating shaft and dome-type spool, wherein said handgrip, locating support and sheet spring, the handgrip combination mechanism is formed in rotating shaft, sheet spring first half K/UP is circular-arc, sheet spring latter half is flat, sheet spring latter half surface has through hole, the sheet spring is arranged on the locating support, and sheet spring latter half contacts with locating support, through hole on the sheet spring is corresponding with the axis hole on the locating support, the handgrip first half is placed on the sheet spring, through hole on axis hole on the handgrip and the sheet spring, axis hole position on the locating support is corresponding, pin-and-hole on the handgrip is corresponding with the pin-and-hole on the locating support, and sheet spring first half is wrapped in the periphery of handgrip pin-and-hole, and the pin-and-hole that rotating shaft is passed on the locating support links to each other locating support with pin-and-hole on the handgrip with handgrip; Described handgrip combination mechanism is arranged on valve body combination mechanism upper end, and the dome-type spool passes the upper end that axis hole, the through hole on the sheet spring and the axis hole on the locating support on the handgrip is installed in the handgrip combination mechanism valve body combination mechanism successively.
Described angle cock also comprises jam nut, and jam nut is sleeved on the dome-type spool, and jam nut is arranged on the handgrip first half.
The utility model is the improvement to existing angle cock, on the basis of existing angle cock, sheet spring, rotating shaft, dome-type spool and jam nut have been increased, wherein the handgrip combination mechanism is formed in handgrip, locating support and sheet spring, rotating shaft, and the handgrip combination mechanism is installed on the valve body combination mechanism by the dome-type spool.When the utility model carries out switching manipulation, lift handgrip earlier, valve body journal stirrup and handgrip journal stirrup are thrown off.Unclamp after handgrip pulled out the position, handgrip presses down and puts in place under the elastic force effect of sheet spring, makes right journal stirrup of handgrip and valve body right side journal stirrup applying position and lock; If when closing the utility model, unclamp after handgrip pulled off-position, handgrip presses down and puts in place under the effect of sheet spring, makes handgrip left side journal stirrup and valve body front journal applying position and lock.This on-off mode can effectively prevent the handgrip generation misoperation of takeofing in driving.Simultaneously, jam nut can be locked connecting of handgrip combination mechanism and dome-type spool, thereby reaches locking effect.The utility model can guarantee that angle cock handle remains good position and lock in switch bit, avoids angle cock handle to cause misoperation because of the external force effect.
Description of drawings
Fig. 1 is the structural representation of existing angle cock;
Fig. 2 is the structural representation of the utility model locomotive with elasticity handgrip dome-type angle cock;
Fig. 3 is the birds-eye view of Fig. 2;
Fig. 4 is the structural representation of sheet spring;
Fig. 5 is the birds-eye view of Fig. 4;
Fig. 6 is the structural representation of locating support;
Fig. 7 is the birds-eye view of Fig. 6;
Fig. 8 is the structural representation of handgrip;
Fig. 9 is the birds-eye view of Fig. 8.
Among the figure: 1 valve body combination mechanism, 101 valve bodies, 102 cam chairs, 103 flat gaskets, 104 blows off valve, 105 valve springs, 106 valve body lower covers, 107 packing seals, 108 rubber valves, 109 exhaust valve seats, 110 straight pins, 111 attaching partss, 112 dome-type valve rods, 2 handgrips, 201 handgrip pin-and-holes, 202 handgrip axis holes, 3 connectors, 4 locating supports, 401 locating support pin-and-holes, 402 locating support axis holes, 5 springs, 501 through holes, 6 rotating shafts, 7 handgrip combination mechanisms, 8 dome-type spools, 9 jam nuts, 10 admission ports, 11 air extractor ducts, 12 exhausr ports, 13 handgrips left side journal stirrup, the right journal stirrup of 14 handgrips, 15 valve body front journals, the right journal stirrup of 16 valve bodies.
The specific embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Referring to Fig. 2, Fig. 3, a kind of locomotive elasticity handgrip dome-type angle cock, comprise valve body combination mechanism 1, handgrip combination mechanism 7, connector 3, dome-type spool 8 and jam nut 9, wherein valve body combination mechanism 1 comprises valve body 101, cam chair 102, flat gasket 103, blow off valve 104, valve spring 105, valve body lower cover 106, packing seal 107, rubber valve 108, exhaust valve seat 109 and dome-type valve rod 112, valve body combination mechanism 1 is a prior art, referring to Fig. 1; Handgrip combination mechanism 7 comprises handgrip 2, locating support 4, sheet spring 5 and rotating shaft 6.
Valve body combination mechanism 1 front end links to each other with connector 3, and connector 3 can compress rubber valve 108, has admission port 10 at connector 3 front ends, and admission port 10 joins with locomotive brake master gas circuit pipe; Valve body combination mechanism 1 rear end has air extractor duct 11, and admission port 10 communicates with air extractor duct 11, and air extractor duct 11 connects the external pressure flexible pipe and link to each other with the angle cock exit end at two ends, railway locomotive compartment, and the like connect into the braking control system of permutation railway locomotive.
Locating support 4 is arranged on valve body combination mechanism 1 upper end, has pin-and-hole 401 and axis hole 402 on the locating support 4 from front to back, referring to Fig. 6 and Fig. 7.
The utility model is applied to the railway locomotive pneumatic control system, especially is applied to the braking control system and the pneumatic control system of electric locomotive, diesel locomotive, its operation pressure condition≤1MPa, and operational temperature conditions is between-50 ℃～50 ℃.When locomotive head separates with the motor car, close angle cock, this moment, the dome-type spool 8 of angle cock was opened exhausr port 12 when closing admission port 10, make air extractor duct 11 and the residual air in the carriage brake system trunk line discharge decompression, be convenient to unload and compartment bonded assembly pressure hose by exhausr port 12.
When the utility model need carry out switching manipulation, lift handgrip 2 earlier, valve body journal stirrup and handgrip journal stirrup are thrown off.Unclamp after handgrip 2 pulled out the position, handgrip 2 presses down and puts in place under the elastic force effect of sheet spring 5, makes right journal stirrup 14 of handgrip and the right journal stirrup 16 applying position and locks of valve body, prevents that handgrip 2 from turning to off-position or malfunction.If need close the utility model the time, unclamp after handgrip 2 pulled off-position, handgrip 2 presses down and puts in place under the effect of sheet spring 5, makes handgrip left side journal stirrup 13 and valve body front journal 15 applying position and locks, prevents from that handgrip 2 from takeofing to turn to out position or malfunction in driving.
The utility model can guarantee that angle cock handle remains good position and lock in switch bit, avoids angle cock handle to cause misoperation because of the external force effect.
Claims (2)
1. a locomotive is with elasticity handgrip dome-type angle cock, comprise the valve body combination mechanism, handgrip, connector and locating support, valve body combination mechanism front end links to each other with connector, the connector front end has admission port, valve body combination mechanism rear end has air extractor duct, admission port communicates with air extractor duct, locating support is arranged on valve body combination mechanism upper end, have pin-and-hole and axis hole on the locating support from front to back, handgrip is arranged on the locating support, the handgrip first half has pin-and-hole and axis hole, and the pin-and-hole on the handgrip is corresponding with pin-and-hole and axis hole position on the locating support respectively with axis hole, and the handgrip latter half bends downwards;
It is characterized in that: described angle cock also comprises the sheet spring, rotating shaft and dome-type spool, wherein said handgrip, locating support and sheet spring, the handgrip combination mechanism is formed in rotating shaft, sheet spring first half K/UP is circular-arc, sheet spring latter half is flat, sheet spring latter half surface has through hole, the sheet spring is arranged on the locating support, and sheet spring latter half contacts with locating support, through hole on the sheet spring is corresponding with the axis hole on the locating support, the handgrip first half is placed on the sheet spring, through hole on axis hole on the handgrip and the sheet spring, axis hole position on the locating support is corresponding, pin-and-hole on the handgrip is corresponding with the pin-and-hole on the locating support, and sheet spring first half is wrapped in the periphery of handgrip pin-and-hole, and the pin-and-hole that rotating shaft is passed on the locating support links to each other locating support with pin-and-hole on the handgrip with handgrip;
Described handgrip combination mechanism is arranged on valve body combination mechanism upper end, and the dome-type spool passes the upper end that axis hole, the through hole on the sheet spring and the axis hole on the locating support on the handgrip is installed in the handgrip combination mechanism valve body combination mechanism successively.
2. locomotive according to claim 1 elasticity handgrip dome-type angle cock, it is characterized in that: described angle cock also comprises jam nut, jam nut is sleeved on the dome-type spool, and jam nut is arranged on the handgrip first half.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202122845U CN201544949U (en) | 2009-11-12 | 2009-11-12 | Vehicle-used hemispherical angle cock with elastic handlebar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202122845U CN201544949U (en) | 2009-11-12 | 2009-11-12 | Vehicle-used hemispherical angle cock with elastic handlebar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201544949U true CN201544949U (en) | 2010-08-11 |
Family
ID=42600112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202122845U Expired - Fee Related CN201544949U (en) | 2009-11-12 | 2009-11-12 | Vehicle-used hemispherical angle cock with elastic handlebar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201544949U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102717814A (en) * | 2012-06-30 | 2012-10-10 | 中国北车集团大连机车车辆有限公司 | Locomotive cock |
| CN103481907A (en) * | 2013-09-27 | 2014-01-01 | 齐齐哈尔轨道交通装备有限责任公司 | Detachable handle for railway freight car |
| CN104309633A (en) * | 2014-10-16 | 2015-01-28 | 四川制动科技股份有限公司 | Angle cock with self-ventilation function |
-
2009
- 2009-11-12 CN CN2009202122845U patent/CN201544949U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102717814A (en) * | 2012-06-30 | 2012-10-10 | 中国北车集团大连机车车辆有限公司 | Locomotive cock |
| CN103481907A (en) * | 2013-09-27 | 2014-01-01 | 齐齐哈尔轨道交通装备有限责任公司 | Detachable handle for railway freight car |
| CN104309633A (en) * | 2014-10-16 | 2015-01-28 | 四川制动科技股份有限公司 | Angle cock with self-ventilation function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100811 Termination date: 20131112 |