CN2427413Y - Emergency braking valve - Google Patents
Emergency braking valve Download PDFInfo
- Publication number
- CN2427413Y CN2427413Y CN 00223662 CN00223662U CN2427413Y CN 2427413 Y CN2427413 Y CN 2427413Y CN 00223662 CN00223662 CN 00223662 CN 00223662 U CN00223662 U CN 00223662U CN 2427413 Y CN2427413 Y CN 2427413Y
- Authority
- CN
- China
- Prior art keywords
- valve
- valve body
- brake pipe
- blast main
- brake
- 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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- Valves And Accessory Devices For Braking Systems (AREA)
Abstract
The utility model provides an emergency brake valve which belongs to the brake technical field of passenger trains in railway vehicles, and effectively solves the problems of separate installation sites of a pressure gauge and the emergency brake valve and reduction of valve opening force. The utility model is characterized in that a valve body comprises two interfaces respectively connected with a main blast line and a brake cylinder; an eccentric pull ring is arranged around a pressure gauge of the main blast line; the bottom of the pull ring is provided with a fulcrum and a resistance arm passing the fulcrum and connected with a valve core. The upper part of the valve body is provided with standard interfaces for the installation of the pressure gauge of the brake cylinder and the pressure gauge of the main blast line. The utility model is mainly used for emergency brake of passenger trains.
Description
The utility model relates to rolling stock braking technology field, particularly the braking technology field of railway passenger train.
Employed emergency brake valve on the passenger train during now China uses, be continued to use decades old product, in the safe operation that guarantees passenger train, once and played an important role.Nowadays, along with the raising of living standards of the people, people also have corresponding raising to the requirement of the traveling comfort of passenger vehicle.The performance of equipment on the car except strict demand as before, is also required the interior decorating and fitting of passenger vehicle more attractive in appearance, is suitable for.The oldfashioned emergency brake valve is compared with modern equipment in the car, seems very not coordinate.The oldfashioned emergency brake valve is only joined a compression indicator, and compression indicator and emergency brake valve separate, and all leads to brake pipe.Need out two holes during installation on wallboard, respectively setting pressure table and emergency brake valve make the installation process more complicated.The oldfashioned emergency brake valve adopts direct air draft, and the required pressure of valve port is bigger, though relatively simple for structure, its required open force is bigger.And the bus attendant on the passenger vehicle mostly is the women, strength a little less than, this just gives him, and they bring difficulty in operation.Use two airducts on the part passenger vehicle now, logical respectively brake pipe and blast main, this requirement of incompatibility of oldfashioned emergency brake valve.According to the rolling stock maintenance instruction, to the necessary annual test of compression indicator, need during annual test compression indicator is pulled down verification, after the verification, compression indicator is difficult for resetting when mounted, has destroyed overall appearance in the compartment.
The purpose of this utility model provides a kind of emergency brake valve, and it and compression indicator are combined into one, and has solved the problem that compression indicator and emergency brake valve installation site disperse and reduce the valve port crack force effectively.
The purpose of this utility model can be realized by following technical scheme: emergency brake valve adopts the balance cock principle of leaking informaton, mainly by setting pressure table and manometric valve body and assembly thereof, vent valve, be installed in panel frame and back cover in the compartment, parts such as draw ring are formed, described valve body is threaded with brake pipe, compression indicator is connected with brake pipe with blast main respectively with compression indicator, it is characterized in that valve body passes through the elbow lower end and is connected with brake pipe, the axis and the brake activation valve valve axis of described valve body lower portion brake pipe connecting interface have a segment distance in the horizontal direction, and the horizon of brake pipe connecting interface and blast main connecting interface horizon have a segment distance in vertical direction.The bottom of rebound has an interface to lead to blast main, back cover is fixed on the cab wall inboard, panel frame embeds the cab wall outside, an eccentric draw ring is arranged around blast main is manometric, draw ring lower edge horizontal direction has a bearing pin to be connected with the resistance arm of valve body both sides, there is a fixed pin shaft to be connected in the middle of the resistance arm with valve body, resistance arm rotates around this bearing pin, the other end of resistance arm also has a bearing pin, this bearing pin is connected with piston, a standard interface that the Brake pipe pressure table is installed is arranged at valve body top, the end that seating spring is housed with the valve body top that this interface communicates contacts with the lower surface of valve seat, the other end is at the bottom of the chamber, C chamber on piston top, the salient of valve seat has a spring perch of placing spring, the top of spring is near the lower surface of spool, and thimble and spool are affixed, has an aperture to connect the C chamber in the inside of piston and vent valve respectively and communicates up and down and with brake pipe with the A chamber; The A chamber leads to brake pipe, and the aperture of the pressure air of brake pipe in the middle of vent valve and piston arrives the C chamber on piston top, and the B chamber leads to atmosphere.The payload space in C chamber is big slightly than the A chamber, and the power of like this piston being pressed to the spring of valve port together with vent valve can be less.The strength that required startup is leaked informaton is less, is convenient to operation, the sealing property and the service life of also having improved emergency valve widely.Respectively there is an axially extending bore at piston and vent valve middle part, and these two holes communicate, and they are interconnected the C chamber on piston top and the A chamber of vent valve bottom.The A chamber leads to brake pipe, and the aperture of the pressure air of brake pipe in the middle of vent valve and piston arrives the C chamber on piston top, and is logical with the Brake pipe pressure epiphase.The payload space in C chamber is big slightly than the A chamber, when the C cavity pressure arrives level pressure, will press to valve port to piston together with vent valve, adds the power of upper spring, can realize the sealing of valve port preferably.The strength of required startup vent valve is less, is convenient to operation, the sealing property and the service life of also having improved emergency valve widely.When vent valve is opened, the pressure air of brake pipe by the A chamber through B chamber exhaust to atmosphere.There is one the manometric standard interface of blast main is installed on valve body rebound top, the spool that is located on the spring is equipped with in the inside that communicates with this interface, the upper end and the valve seat of thimble are affixed, lower end and spool are affixed, have secret tunnel that the cavity of spool bottom is connected with the interface of logical blast main in rebound inside.
When loading onto the blast main compression indicator, the bossing of blast main compression indicator lower end is depressed thimble, and thimble turns down spool, opens the valve port below the valve seat, and the blast main compression indicator is communicated with the interface of logical blast main.Brake pipe pressure table and blast main compression indicator and emergency brake valve are combined into an integral body, can operate when airduct has pressure during the maintenance compression indicator.When needing maintenance, take off the blast main compression indicator after, spool is pressed to the valve port below the valve seat under the effect of spring, valve port can SELF CL, thereby does not need to lead on the gas circuit of emergency brake valve at brake pipe to install Sai Men additional again.The principle of the accessory structure of Brake pipe pressure table is identical therewith, similar.Emergency brake valve is divided into panel and emergency brake valve is formed two parts, only need open a square hole during installation on wallboard and get final product.Facilitate installation like this, also relatively cleaner and tidier in appearance.The movable security door that has an organism glass to make in the described panel frame, the top of the vertical inboard of panel frame respectively have the domatic chute of a band.The manometric installation site of blast main is in the front lower place of Brake pipe pressure table.
The advantage that the utility model is compared with the emergency brake valve in the present use.
(1) accurate positioning, easy for installation, aesthetic in appearance;
(2) owing to blast main compression indicator, Brake pipe pressure table and valve body combination together, reduced the volume of emergency brake valve, save the space.
(3) actuating pressure of enforcement emergency braking is little, is convenient to operation, the sealing property and the service life of having improved emergency valve.
Can when pressure is arranged, operate during (4) owing to the maintenance compression indicator, not need on the gas circuit of emergency brake valve, to install Sai Men additional, can avoid because of the problem that the plug door causes is set at brake pipe.
(5) two kinds of situations of single tube gas circuit and two-tube gas circuit have been taken into account simultaneously.
Description of drawings of the present utility model is as follows:
Fig. 1 for of the present utility model not with the side sectional view of protective cover and panel;
Fig. 2 for of the present utility model not with the front view of protective cover and panel;
Fig. 3 is the front view of zone face plate of the present utility model;
Fig. 4 is the lateral plan of band protective cover of the present utility model and panel.
Below in conjunction with accompanying drawing the utility model is further described:
Emergency brake valve adopts the balance cock principle of leaking informaton, it is mainly by the valve body 14 and the assembly thereof of setting pressure table 1 and compression indicator 2, vent valve 12, be installed in panel frame 24 and back cover 26 in the compartment, draw ring 3 parts such as grade are formed, described valve body 14 is threaded with brake pipe, compression indicator 1 is connected with brake pipe with blast main respectively with compression indicator 2, valve body 14 is connected with brake pipe by elbow 11 lower ends, the axis and the brake activation valve valve axis of described valve body 14 bottom brake pipe connecting interfaces have a segment distance in the horizontal direction, and the horizon of brake pipe connecting interface and blast main connecting interface horizon have a segment distance in vertical direction.The bottom of rebound 10 has an interface to lead to blast main, back cover 26 is fixed on the cab wall inboard, panel frame 24 embeds the cab wall outside, an eccentric draw ring 3 is arranged around the blast main compression indicator 2, draw ring 3 lower edge horizontal directions have a bearing pin to be connected with the resistance arm of valve body 14 both sides, there is a fixed pin shaft to be connected in the middle of the resistance arm with valve body 14, resistance arm rotates around this bearing pin, the other end of resistance arm also has a bearing pin, this bearing pin is connected with piston 15, the standard interface 23 of an installation Brake pipe pressure table 1 that is made of pressing plate 5 is arranged at valve body 14 tops, and valve seat 21 is equipped with on valve body 14 tops that communicate with this interface.One end of spring 16 contacts with the lower surface of valve seat 21, the other end is at the bottom of the chamber, C chamber on piston 15 tops, the salient of valve seat 21 has a spring perch 19 of placing spring 17, the top of spring 17 is near the lower surface of spool 18, thimble 20 is affixed with spool 18, has an aperture to connect the C chamber in the inside of piston 15 and vent valve 12 respectively and communicates up and down and with brake pipe with the A chamber; Vent valve 12 has valve pocket 13 with piston 15 junctions, and respectively there is an axially extending bore at piston 15 and vent valve 12 middle parts, and these two holes communicate, and they are interconnected the C chamber on piston 15 tops and the A chamber of vent valve 12 bottoms.The A chamber leads to brake pipe, and the aperture of the pressure air of brake pipe in the middle of vent valve 12 and piston 15 arrives the C chamber on piston 15 tops, communicates with Brake pipe pressure table 1.The payload space in C chamber is big slightly than the A chamber, when the C cavity pressure arrives level pressure, will press to valve port to piston 15 together with vent valve 12, adds the power of upper spring, can realize the sealing of valve port preferably.Like this piston 15 being pressed to the power of the spring 17 of valve port together with vent valve 12 can be less.The strength of required startup vent valve is less, is convenient to operation, the sealing property and the service life of also having improved emergency valve widely.When vent valve is opened, the pressure air of brake pipe by the A chamber through B chamber exhaust to atmosphere.A standard interface 4 that blast main compression indicator 2 is installed is arranged on valve body rebound 10 tops, the spool 9 that is located on the spring 8 is equipped with in the inside that communicates with this interface, the upper end of thimble 7 and valve seat 6 are affixed, lower end and spool 9 are affixed, have secret tunnel that the cavity of spool 9 bottoms is connected with the interface of logical blast main in rebound 10 inside.
When loading onto blast main compression indicator 2, the bossing of blast main compression indicator 2 lower ends is depressed thimble, and thimble turns down spool 9, opens the valve port below the valve seat 6, and blast main compression indicator 2 is communicated with the interface of logical blast main.Brake pipe pressure table 1 and blast main compression indicator 2 are combined into an integral body with emergency brake valve, can operate when airduct has pressure during the maintenance compression indicator.When needing maintenance, take off blast main compression indicator 2 after, spool 9 is pressed to the valve port valve seat 6 below under the effect of spring 8, valve port can SELF CL, thereby does not need to lead on the gas circuit of emergency brake valve at brake pipe to install Sai Men additional again.The principle of the accessory structure of Brake pipe pressure table 1 is identical therewith, similar.Emergency brake valve is divided into panel frame 24 and emergency braking valve body assembly two parts, only need open a square hole during installation on wallboard and get final product.Facilitate installation like this, also relatively cleaner and tidier in appearance.The movable security door 25 that has an organism glass to make in the described panel frame 24, the top of the vertical inboard of panel frame 24 respectively have the domatic chute of a band.The installation site of blast main compression indicator 2 is in the front lower place of Brake pipe pressure table 1.
Claims (4)
1, a kind of emergency brake valve, mainly by the valve body (14) and the assembly thereof of setting pressure table (1) and compression indicator (2), vent valve (12), be installed in panel frame (24) and back cover (26) in the compartment, draw ring parts such as (3) are formed, described valve body (14) is threaded with brake pipe, compression indicator (1) is connected with brake pipe with blast main respectively with compression indicator (2), it is characterized in that valve body (14) is connected with brake pipe by elbow (11) lower end, the bottom of rebound (10) has an interface to lead to blast main, back cover (26) is fixed on the cab wall inboard, panel frame (24) embeds the cab wall outside, an eccentric draw ring (3) is arranged around the blast main compression indicator (2), draw ring (3) lower edge horizontal direction has a bearing pin to be connected with the resistance arm of valve body (14) both sides, there is a fixed pin shaft to be connected in the middle of the resistance arm with valve body (14), resistance arm rotates around this bearing pin, the other end of resistance arm also has a bearing pin, this bearing pin is connected with piston (15), a standard interface (23) that Brake pipe pressure table (1) is installed is arranged at valve body (14) top, the end that valve seat (21) spring (16) is housed with valve body (14) top that this interface communicates contacts with the lower surface of valve seat (21), the other end is at the bottom of the chamber, C chamber on piston (15) top, the salient of valve seat (21) has a spring perch (19) of placing spring (17), the top of spring (17) is near the lower surface of spool (18), thimble (20) is affixed with spool, has an aperture to connect the C chamber in the inside of piston (15) and vent valve (12) respectively and communicates up and down and with brake pipe with the A chamber; A standard interface (4) that blast main compression indicator 2 is installed is arranged on valve body rebound (10) top, the spool (9) that is located on the spring (8) is equipped with in the inside that communicates with this interface, the upper end of thimble (7) and valve seat (6) are affixed, lower end and spool (9) are affixed, have secret tunnel that the cavity of spool (9) bottom is connected with the interface of logical blast main in rebound (10) inside.
2, a kind of emergency brake valve according to claim 1 is characterized in that the movable security door (25) that has an organism glass to make in the described panel frame (24), and the domatic chute of a band is respectively arranged at the top of the vertical inboard of panel frame (24).
3, a kind of emergency brake valve according to claim 1, the axis and the brake activation valve valve axis that it is characterized in that described valve body lower portion brake pipe connecting interface have a segment distance in the horizontal direction, and the horizon of brake pipe connecting interface and blast main connecting interface horizon have a segment distance in vertical direction.
4, a kind of emergency brake valve according to claim 1 is characterized in that the installation site of blast main compression indicator (2) is in the front lower place of Brake pipe pressure table (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00223662 CN2427413Y (en) | 2000-07-11 | 2000-07-11 | Emergency braking valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00223662 CN2427413Y (en) | 2000-07-11 | 2000-07-11 | Emergency braking valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2427413Y true CN2427413Y (en) | 2001-04-25 |
Family
ID=33588175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00223662 Expired - Fee Related CN2427413Y (en) | 2000-07-11 | 2000-07-11 | Emergency braking valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2427413Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104154310A (en) * | 2014-07-09 | 2014-11-19 | 宁波亚德客自动化工业有限公司 | Connecting structure of pressure regulating valve body and pressure gage |
| CN107472231A (en) * | 2017-09-11 | 2017-12-15 | 眉山中车制动科技股份有限公司 | A kind of nested type one-way valve structures for vehicle automatic regulating apparatus |
-
2000
- 2000-07-11 CN CN 00223662 patent/CN2427413Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104154310A (en) * | 2014-07-09 | 2014-11-19 | 宁波亚德客自动化工业有限公司 | Connecting structure of pressure regulating valve body and pressure gage |
| CN104154310B (en) * | 2014-07-09 | 2016-06-29 | 宁波亚德客自动化工业有限公司 | A kind of pressure regulator valve body and manometric attachment structure |
| CN107472231A (en) * | 2017-09-11 | 2017-12-15 | 眉山中车制动科技股份有限公司 | A kind of nested type one-way valve structures for vehicle automatic regulating apparatus |
| CN107472231B (en) * | 2017-09-11 | 2023-08-08 | 眉山中车制动科技股份有限公司 | Nested one-way valve structure for automatic vehicle adjusting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |