CN104405712B - A kind of passenger-cargo switching valve - Google Patents
A kind of passenger-cargo switching valve Download PDFInfo
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- CN104405712B CN104405712B CN201410686796.0A CN201410686796A CN104405712B CN 104405712 B CN104405712 B CN 104405712B CN 201410686796 A CN201410686796 A CN 201410686796A CN 104405712 B CN104405712 B CN 104405712B
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- valve
- chamber
- inflation
- exhaust
- switching valve
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
- Lift Valve (AREA)
Abstract
The invention discloses a kind of passenger-cargo switching valve, including valve body and valve gap, shifter, exhaust changeover valve, inflation switching valve, two-stage control valve and exhaust portion it is provided with in described valve body, five chambers of A, B, C, D, E it are divided in described valve body, its middle chamber A connects control valve and leads to checking cylinder to checking cylinder gas fill port, chamber B, and cavity C leads to train pipe, chamber D connects brake cylinder exhaust path, and chamber E leads to air.The present invention is connected with control valve by flange, the row's ambient air passage alleviated by checking cylinder introduces switching valve and carries out flux control, two-stage control valve is set simultaneously checking cylinder gas fill port in control valve is carried out flux control, and make corresponding switching valve open or close by shifter, realize vehicle switching between passenger vehicle position and lorry position, thus the time obtaining different inflation, alleviating, brake, with the utilization needs under satisfied different operating modes.
Description
Technical field
The invention belongs to rolling stock technology field, particularly to a kind of passenger-cargo switching valve.
Background technology
Must hang together with existing size passenger/cargo for the quick lorry of current 160km/h, the use requirement that effect propety mates with existing size passenger/cargo, existing passenger-cargo switching valve cannot directly apply on it, and existing passenger-cargo switching valve structure is complicated, integrated level is poor, it is impossible to the recent technological advances demand of suitable solution valve.
Summary of the invention
It is an object of the invention to: for the problem of above-mentioned existence, it is provided that a kind of can be according to the operation demand of different operating modes, it is thus achieved that different inflation, alleviation, passenger-cargo switching valve of braking time.
nullThe technical scheme is that and be achieved in that: a kind of passenger-cargo switching valve，Including valve body and valve gap，It is characterized in that: in described valve body, be provided with shifter、Exhaust changeover valve、Inflation switching valve、Two-stage control valve and exhaust portion，It is divided into A in described valve body、B、C、D、Five chambers of E，Its middle chamber A connects control valve to checking cylinder gas fill port，Chamber B leads to checking cylinder，Cavity C leads to train pipe，Chamber D connects brake cylinder exhaust path，Chamber E leads to air，Chamber D and chamber E is separated by described exhaust changeover valve in off position completely，And in open mode, chamber D and chamber E is turned on，Chamber A and chamber B is separated by described inflation switching valve in off position completely，And in open mode, chamber A and chamber B is turned on，Described shifter is for controlling exhaust changeover valve and the opening and closing of inflation switching valve，Described chamber D and chamber E connects by contracting is stifled；
When passenger vehicle position, described exhaust changeover valve and inflation switching valve are opened simultaneously；When lorry position, described exhaust changeover valve and inflation switching valve simultaneously close off, and can only pass through two-stage control valve during inflation, can only be through the stifled slow aerofluxus of contracting during aerofluxus.
Passenger-cargo switching valve of the present invention, its described shifter includes change lever and camshaft, controlling exhaust changeover valve and the opening and closing of inflation switching valve in one end of described camshaft is placed in valve body and by rotating, its other end is connected with the change lever being arranged on outside valve body.
Passenger-cargo switching valve of the present invention, it is provided with alignment pin on described camshaft, described valve body is provided with and the locating slot of alignment pin corresponding matching, in described valve body, on camshaft, it is socketed with back-moving spring, described back-moving spring one end is resisted against at the ledge structure of camshaft, its other end is resisted against on spring base, and described spring base is fixed on inside check ring, and described check ring is fixed on valve body.
Passenger-cargo switching valve of the present invention, its described exhaust changeover valve includes exhaust jacking rod, venting check valve and venting check valve spring, described venting check valve is connected with exhaust jacking rod upper end, described exhaust jacking rod lower end and shifter corresponding matching, when lorry position, the valve seat that described venting check valve is close on valve body under the effect of venting check valve spring, closes the path of chamber D to chamber E；Described inflation switching valve includes inflating push rod, charging check valve and charging check valve spring, described charging check valve is connected with inflation push rod upper end, described inflation push rod lower end and shifter corresponding matching, when lorry position, the valve seat that described charging check valve is close on valve body under the effect of charging check valve spring, closes the path of chamber A to chamber B.
The present invention is connected with control valve by flange, the row's ambient air passage alleviated by checking cylinder introduces switching valve and carries out flux control, two-stage control valve is set simultaneously checking cylinder gas fill port in control valve is carried out flux control, and make corresponding switching valve open or close by shifter, realize vehicle switching between passenger vehicle position and lorry position, thus the time obtaining different inflation, alleviating, brake, with the utilization needs under satisfied different operating modes.Present invention employs Highgrade integration technology, in less space, be integrated with the braking technologies such as visitor, goods shifter, two-stage control, two gas circuit controls, be adapted to visitor, lorry different comfortable property needs.
Accompanying drawing explanation
Fig. 1 and Fig. 2 is the sectional view of the present invention.
Fig. 3 is the structural representation that in the present invention, alignment pin coordinates with locating slot.
Labelling in figure: 1 is valve body, 2 is valve gap, and 3 is shifter, and 4 is exhaust changeover valve, 4a is exhaust jacking rod, and 4b is venting check valve, and 4c is venting check valve spring, and 5 is inflation switching valve, 5a is inflation push rod, and 5b is charging check valve, and 5c is charging check valve spring, and 6 is two-stage control valve, 7 is exhaust portion, and 8 is change lever, and 9 is camshaft, 10 is alignment pin, and 11 is locating slot, and 12 is back-moving spring, 13 is spring base, and 14 is check ring, and 15 is stifled for contracting.
Detailed description of the invention
Below in conjunction with the accompanying drawings, the present invention is described in detail.
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
As illustrated in fig. 1 and 2, a kind of passenger-cargo switching valve, including valve body 1 and valve gap 2, in described valve body 1, it is provided with shifter 3, exhaust changeover valve 4, inflation switching valve 5, two-stage control valve 6 and exhaust portion 7.Described exhaust changeover valve 4 includes that exhaust jacking rod 4a, venting check valve 4b and venting check valve spring 4c, described venting check valve 4b and exhaust jacking rod 4a upper end are connected, described exhaust jacking rod 4a lower end and shifter 3 corresponding matching；Described inflation switching valve 5 includes that inflating push rod 5a, charging check valve 5b and charging check valve spring 5c, described charging check valve 5b is connected with inflation push rod 5a upper end, described inflation push rod 5a lower end and shifter 3 corresponding matching.
It is divided into A in described valve body 1, B, C, D, five chambers of E, its middle chamber A connects control valve to checking cylinder gas fill port, chamber B leads to checking cylinder, cavity C leads to train pipe, chamber D connects brake cylinder exhaust path, chamber E leads to air, chamber D and chamber E is separated by described exhaust changeover valve 4 in off position completely, and in open mode, chamber D and chamber E is turned on, chamber A and chamber B is separated by described inflation switching valve 5 in off position completely, and in open mode, chamber A and chamber B is turned on, described shifter 3 is for controlling exhaust changeover valve 4 and the opening and closing of inflation switching valve 5, described chamber D and chamber E is connected by contracting stifled 15.
When passenger vehicle position, described exhaust changeover valve 4 and inflation switching valve 5 are opened by jack-up at the effect lower push rod of shifter simultaneously, chamber A connects with chamber B, chamber D connects with chamber E, i.e. opened big flux path, thus obtained the charge, exhaust of big flux so that it is inflate, alleviate, braking time faster, it is applicable to clipper transport lorry needs, is equivalent to the requirement of passenger vehicle；When lorry position, described venting check valve 4b is close to the valve seat on valve body 1 under the effect of venting check valve spring 4c, close the path of chamber D to chamber E, described charging check valve 5b is close to the valve seat on valve body 1 under the effect of charging check valve spring 5c, close the path of chamber A to chamber B, the most described exhaust changeover valve 4 and inflation switching valve 5 simultaneously close off, two-stage control valve 6 can only be passed through during inflation, can only be through the stifled 15 slow aerofluxuss of contracting during aerofluxus, make it inflate, alleviate, braking time slower, it is adaptable to long freight train traffic requirements.
Wherein, described shifter 3 includes change lever 8 and camshaft 9, exhaust changeover valve 4 and the opening and closing of inflation switching valve 5 is controlled in one end of described camshaft 9 is placed in valve body 1 and by rotating, its other end is connected with the change lever 8 being arranged on outside valve body 1, described change lever is connected with camshaft by screw, it is provided with locking pad in junction, camshaft synchronous rotary can be made by rotating change lever, so that it controls exhaust changeover valve and the opening and closing of inflation switching valve；As shown in Figure 3, described camshaft 9 is provided with alignment pin 10, described valve body 1 is provided with and the locating slot 11 of alignment pin 10 corresponding matching, in described valve body 1, back-moving spring 12 it is socketed with on camshaft 9, described back-moving spring 12 one end is resisted against at the ledge structure of camshaft 9, its other end is resisted against on spring base 13, described spring base 13 is fixed on inside check ring 14, described check ring 14 is fixed on valve body 1, wherein the effect of back-moving spring is to ensure that alignment pin is attached on valve body and in correspondence position is fixed on locating slot, the effect of locating slot is to ensure that after pulling out change lever and could rotate, prevent maloperation, check ring is used for fixing spring base, also ensure that the displacement pulling out change lever simultaneously.
Passenger-cargo switching valve simple in construction of the present invention, integrated level are high, adapt to the up-to-date demand of current main-stream control valve, are mainly used in rail truck conversion under different operating conditions between passenger vehicle and lorry, with adapt to passenger-cargo carriage different fill aerofluxus and braking time requirement.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all any amendment, equivalent and improvement etc. made within the spirit and principles in the present invention, should be included within the scope of the present invention.
Claims (3)
- null1. a passenger-cargo switching valve，Including valve body (1) and valve gap (2)，It is characterized in that: in described valve body (1), be provided with shifter (3)、Exhaust changeover valve (4)、Inflation switching valve (5)、Two-stage control valve (6) and exhaust portion (7)，Described valve body is divided into A in (1)、B、C、D、Five chambers of E，Its middle chamber A connects control valve to checking cylinder gas fill port，Chamber B leads to checking cylinder，Cavity C leads to train pipe，Chamber D connects brake cylinder exhaust path，Chamber E leads to air，Chamber D and chamber E is separated by described exhaust changeover valve (4) in off position completely，And in open mode, chamber D and chamber E is turned on，Chamber A and chamber B is separated by described inflation switching valve (5) in off position completely，And in open mode, chamber A and chamber B is turned on，Described shifter (3) is used for controlling exhaust changeover valve (4) and the opening and closing of inflation switching valve (5)，Described chamber D and chamber E is connected by contracting stifled (15)；When passenger vehicle position, described exhaust changeover valve (4) and inflation switching valve (5) are opened simultaneously；When lorry position, described exhaust changeover valve (4) and inflation switching valve (5) simultaneously close off, and can only pass through two-stage control valve (6) during inflation, can only be through contracting stifled (15) slowly aerofluxus during aerofluxus；Described shifter (3) includes change lever (8) and camshaft (9), controlling exhaust changeover valve (4) and the opening and closing of inflation switching valve (5) in one end of described camshaft (9) is placed in valve body (1) and by rotating, its other end is connected with being arranged on valve body (1) change lever (8) outward.
- Passenger-cargo switching valve the most according to claim 1, it is characterized in that: on described camshaft (9), be provided with alignment pin (10), described valve body (1) is provided with the locating slot (11) with alignment pin (10) corresponding matching, in described valve body (1), back-moving spring (12) it is socketed with on camshaft (9), described back-moving spring (12) one end is resisted against at the ledge structure of camshaft (9), its other end is resisted against on spring base (13), described spring base (13) is fixed on check ring (14) inner side, described check ring (14) is fixed on valve body (1).
- Passenger-cargo switching valve the most according to claim 1 and 2, it is characterized in that: described exhaust changeover valve (4) includes exhaust jacking rod (4a), venting check valve (4b) and venting check valve spring (4c), described venting check valve (4b) is connected with exhaust jacking rod (4a) upper end, described exhaust jacking rod (4a) lower end and shifter (3) corresponding matching, when lorry position, described venting check valve (4b) is close to the valve seat on valve body (1) under the effect of venting check valve spring (4c), closes the path of chamber D to chamber E；Described inflation switching valve (5) includes inflating push rod (5a), charging check valve (5b) and charging check valve spring (5c), described charging check valve (5b) is connected with inflation push rod (5a) upper end, described inflation push rod (5a) lower end and shifter (3) corresponding matching, when lorry position, described charging check valve (5b) is close to the valve seat on valve body (1) under the effect of charging check valve spring (5c), closes the path of chamber A to chamber B.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410686796.0A CN104405712B (en) | 2014-11-26 | 2014-11-26 | A kind of passenger-cargo switching valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410686796.0A CN104405712B (en) | 2014-11-26 | 2014-11-26 | A kind of passenger-cargo switching valve |
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| Publication Number | Publication Date |
|---|---|
| CN104405712A CN104405712A (en) | 2015-03-11 |
| CN104405712B true CN104405712B (en) | 2016-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410686796.0A Active CN104405712B (en) | 2014-11-26 | 2014-11-26 | A kind of passenger-cargo switching valve |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106051213B (en) * | 2016-07-27 | 2018-01-30 | 眉山中车制动科技股份有限公司 | A kind of rolling stock alleviation adjustment valve |
| CN113738725B (en) * | 2021-09-08 | 2024-02-02 | 中国航空工业集团公司西安飞机设计研究所 | Airflow direction control valve and aircraft cabin cover opening and closing control mechanism thereof |
| CN113803312B (en) * | 2021-09-24 | 2022-04-29 | 眉山中车制动科技股份有限公司 | Conversion device, brake system and train |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4030424A1 (en) * | 1990-09-26 | 1992-04-02 | Bosch Gmbh Robert | PRESSURE LIMIT VALVE, IN PARTICULAR FOR HYDRAULIC VEHICLE BRAKE SYSTEMS |
| DE4232586A1 (en) * | 1992-09-23 | 1994-03-24 | Mannesmann Ag | Switching valve with regulation of output pressure - has inlet valve stage that closes when output pressure exceeds reference with vent valve stage opening to control pressure |
| DE19718098C2 (en) * | 1997-04-29 | 2001-11-22 | Knorr Bremse Systeme | Braking system for rail vehicles |
| CN201002603Y (en) * | 2006-12-12 | 2008-01-09 | 中国南车集团眉山车辆厂 | Braking controller for railway vehicle |
| CN201100278Y (en) * | 2007-06-29 | 2008-08-13 | 南车株洲电力机车有限公司 | Engine manual control three-position and five-pass conversion valve |
| CN103470816B (en) * | 2013-09-16 | 2015-09-09 | 四川制动科技股份有限公司 | A kind of quick Control Valves for Freight Cars visitor/goods switching mechanism |
| CN204267409U (en) * | 2014-11-26 | 2015-04-15 | 四川制动科技股份有限公司 | A kind of passenger-cargo changing valve |
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2014
- 2014-11-26 CN CN201410686796.0A patent/CN104405712B/en active Active
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| CN104405712A (en) | 2015-03-11 |
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Address after: Three road 620010 Meishan province Sichuan City Dongpo District of Meishan science and Technology Industrial Park No. 68 Applicant after: Meisha Zhongke Brake Technology Co., Ltd. Address before: Three road 620010 Meishan province Sichuan City Dongpo District of Meishan science and Technology Industrial Park No. 68 Applicant before: Sichuan Brake Science and Technology Co. Ltd. |
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