CN201907497U - Bidirectional check valve meeting AAR (association of American railroads) standards - Google Patents
Bidirectional check valve meeting AAR (association of American railroads) standards Download PDFInfo
- Publication number
- CN201907497U CN201907497U CN 201020617181 CN201020617181U CN201907497U CN 201907497 U CN201907497 U CN 201907497U CN 201020617181 CN201020617181 CN 201020617181 CN 201020617181 U CN201020617181 U CN 201020617181U CN 201907497 U CN201907497 U CN 201907497U
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- CN
- China
- Prior art keywords
- check valve
- bidirectional check
- standards
- association
- utility
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- 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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Abstract
The utility model discloses a bidirectional check valve, which is applicable to a railway wagon air brake system meeting AAR (association of American railroads) standards and is used with the same. The bidirectional check valve is connected with compressed air passage device among a train pipe, a distribution valve and a brake cylinder, the end with higher pressure, of the bidirectional check valve, is communicated with the brake cylinder automatically according to pressure on two sides of the distribution valve and the train pipe after operation is performed in a driver control room, so that pressure in the brake cylinder is controlled to brake or release a train.
Description
Technical field
The utility model relates to a kind of dual way check valve, is applicable to the railway truck Pneumatic brake systems of the supporting AAR of meeting standard.
Background technology
Common dual way check valve can not be according to distributing valve place and row Vehicle Management Section both sides pressure size, because the defective of structure technology feature can not be connected big end of pressure and brake cylinder automatically.Assembly ﹠Disassembly is all very not easy on the vehicle; The probability that is out of order is also just high.
Summary of the invention
The utility model relates to a kind of dual way check valve, is applicable to the railway truck Pneumatic brake systems of the supporting AAR of meeting standard.After the operation of driver's control cabin, this dual way check valve can be connected big end of pressure and brake cylinder automatically according to distributing valve place and row Vehicle Management Section both sides pressure size.Thereby the control brake in-cylinder pressure is braked or is alleviated train.
This products characteristics:
1)Install simple:
This control cock volume is little, and is in light weight, less than 3kg,, easy and simple to handle, there is not special fastening requirement.Assembly ﹠Disassembly is all very easy on the vehicle.
2) simple and reliable:
This brake activation valve is simple in structure, and the probability that is out of order also just reduces.Have simultaneously from dynamic characteristic, guarantee that each reliable in action is effective.
Description of drawings
The utility model will illustrate by example and with reference to the mode of accompanying drawing, wherein:
Fig. 1 is the utility model product structure principle schematic.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is done detailed explanation.
In order to make the purpose of this utility model, technical scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
The utility model relates to a kind of dual way check valve, is applicable to the railway truck Pneumatic brake systems of the supporting AAR of meeting standard.The supporting AAR standard that meets the railway truck Pneumatic brake systems of this dual way check valve, its by with train pipe, distributing valve, brake cylinder between the pressure air lane device be connected, after the operation of driver's control cabin, this dual way check valve can be connected big end of pressure and brake cylinder automatically according to distributing valve place and row Vehicle Management Section both sides pressure size.Thereby the control brake in-cylinder pressure is braked or is alleviated train.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (2)
1. dual way check valve is characterized in that: the supporting AAR standard that meets the railway truck Pneumatic brake systems of this dual way check valve, its by with train pipe, distributing valve, brake cylinder between the pressure air lane device be connected.
2. dual way check valve according to claim 1 is characterized in that: this dual way check valve weight is less than or equal to 3kg.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020617181 CN201907497U (en) | 2010-11-22 | 2010-11-22 | Bidirectional check valve meeting AAR (association of American railroads) standards |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020617181 CN201907497U (en) | 2010-11-22 | 2010-11-22 | Bidirectional check valve meeting AAR (association of American railroads) standards |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201907497U true CN201907497U (en) | 2011-07-27 |
Family
ID=44299706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020617181 Expired - Lifetime CN201907497U (en) | 2010-11-22 | 2010-11-22 | Bidirectional check valve meeting AAR (association of American railroads) standards |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201907497U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105292095A (en) * | 2015-11-24 | 2016-02-03 | 天津机辆轨道交通装备有限责任公司 | Check valve of train brake distribution valve |
-
2010
- 2010-11-22 CN CN 201020617181 patent/CN201907497U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105292095A (en) * | 2015-11-24 | 2016-02-03 | 天津机辆轨道交通装备有限责任公司 | Check valve of train brake distribution valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 620010 Sichuan city of Meishan province Sichuan Meishan science and Technology Industrial Park Road business center room 206 Patentee after: Meisha Zhongke Brake Technology Co., Ltd. Address before: 620010 Sichuan city of Meishan province Sichuan Meishan science and Technology Industrial Park Road business center room 206 Patentee before: Sichuan Brake Science and Technology Co. Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20110727 |
|
| CX01 | Expiry of patent term |