CN203442222U - Passenger/cargo conversion mechanism of control valve of fast freight vehicle - Google Patents
Passenger/cargo conversion mechanism of control valve of fast freight vehicle Download PDFInfo
- Publication number
- CN203442222U CN203442222U CN201320572224.0U CN201320572224U CN203442222U CN 203442222 U CN203442222 U CN 203442222U CN 201320572224 U CN201320572224 U CN 201320572224U CN 203442222 U CN203442222 U CN 203442222U
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- valve
- conversion
- changing
- transaxle
- sandwich
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Abstract
The utility model discloses a passenger/cargo conversion mechanism of a control valve of a fast freight vehicle. The passenger/cargo conversion mechanism comprises a main valve lower cover assembly, wherein an inflation conversion valve, a brake conversion valve, a relieving conversion valve and a conversion shaft are arranged in the main valve lower cover assembly. The inflation conversion valve, the brake conversion valve and the relieving conversion valve are arranged in the main valve lower cover assembly, the conversion shaft is rotated to control opening and closing of corresponding core valves in the three conversion valves, so that changes of inflation, braking and relieving performance of the control valve of the fast freight vehicle are achieved, and the purpose that the control valve can guarantee performance of a special train and also can be used in cooperation with an existing freight vehicle is achieved. The passenger/cargo conversion mechanism is ingenious in structure, obvious in effect, and capable of achieving the purpose that the fast freight vehicle is suitable for various work conditions.
Description
Technical field
The utility model relates to the switching mechanism of a kind of quick Control Valves for Freight Cars visitor/goods.
Background technique
At present the quick lorry of China railways and general wagon to the performances such as control valve inflation, braking and alleviation require differently, and in practice, there will be the operating mode of quick lorry and general wagon shuffling.The quick Control Valves for Freight Cars of this utilization working condition requirement can meet requirement that the performance requirement of quick lorry special train can meet again general wagon performance so that both shufflings.
Model utility content
Goal of the invention of the present utility model is: for the problem of above-mentioned existence, provide a kind of performance that can make quick Control Valves for Freight Cars can guarantee that special train uses can adapt to again visitor/goods switching mechanism of using with existing lorry shuffling.
The technical solution of the utility model is achieved in that the switching mechanism of a kind of quick Control Valves for Freight Cars visitor/goods, comprise that main valve lower cover forms, it is characterized in that: within described main valve lower cover forms, be provided with inflation changing valve, braking changing valve, alleviate changing valve and transaxle, described inflation changing valve, braking changing valve and alleviation changing valve comprise respectively sandwich valve and changing valve push rod, described sandwich valve under the effect of conversion valve spring, be pressed on main valve lower cover form on valve port, described changing valve push rod falls within on transaxle, described changing valve push rod overcoat seal ring, on described transaxle, be provided with the conversion groove coordinating with transaxle end, when lorry position, described changing valve push rod end is positioned at the conversion groove of transaxle, sandwich valve is separated the upper and lower both sides of sandwich valve completely under the effect of conversion valve spring, sandwich valve downside path and original inflation, braking, alleviating path is communicated with, when passenger vehicle position, described sandwich valve overcomes the pressure of conversion valve spring under the effect of transaxle, sandwich valve is backed down, make sandwich valve upper and lower sides path form respectively inflation in parallel, braking, alleviate path.
Quick Control Valves for Freight Cars visitor/goods described in the utility model switching mechanism, changes the end face that valve spring one end is resisted against sandwich valve described in it, its other end is resisted against on the changing valve spring abutment being installed on main valve lower cover composition.
Quick Control Valves for Freight Cars visitor/goods described in the utility model switching mechanism, described in it, transaxle one end is connected with transfer handle, by rotating transfer handle, changing valve is switched in lorry position and passenger vehicle position, the positioning means while being provided with transfer handle in lorry position and passenger vehicle position on described main valve lower cover forms.
Quick Control Valves for Freight Cars visitor/goods described in the utility model switching mechanism, described in it, positioning means comprises that being placed in main valve lower cover forms positioning rod and the jumper spring in mounting groove, at described transfer handle attachment face, be provided with the guiding fan groove corresponding with positioning rod, at described guiding fan groove two ends, be respectively arranged with lorry position locating slot and passenger vehicle position locating slot, described jumper spring one end is resisted against mounting groove inwall, its the other end is resisted against positioning rod end face, when described positioning rod and lorry position locating slot are at once, the changing valve push rod end of three changing valves lays respectively in the conversion groove that transaxle is corresponding, three sandwich valves all cut out, three path blockades in parallel, when described positioning rod and passenger vehicle position locating slot are at once, the changing valve push rod of three changing valves backs down corresponding sandwich valve, and three alternate paths are opened.
Quick Control Valves for Freight Cars visitor/goods described in the utility model switching mechanism, it is provided with back-up ring at the described transaxle the other end, on described main valve lower cover forms, a side that back-up ring is set on transaxle is provided with dust cover.
The utility model by arranging inflation changing valve, braking changing valve and alleviating changing valve within main valve lower cover forms, utilize the rotation of transaxle to control the switching of corresponding sandwich valve in three changing valves, thereby realize the variation of quick Control Valves for Freight Cars inflation, braking and mitigation performance, reach the performance that a kind of control valve can guarantee that special train uses and can adapt to again the object of using with existing lorry shuffling.The utility model structure is ingenious, and effect is remarkable, has realized a kind of object of product adaptation various working.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model when lorry position.
Fig. 2 is the structural representation of the utility model when passenger vehicle position.
Mark in figure: 1 for main valve lower cover forms, and 2 is transaxle, and 3 is sandwich valve, and 4 is changing valve push rod, 5 is conversion valve spring, 6 conversion grooves, 7 is seal ring, and 8 is changing valve spring abutment, and 9 is transfer handle, 10 is positioning rod, and 11 is jumper spring, and 12 is back-up ring, and 13 is dust cover.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail.
In order to make the purpose of this utility model, technological scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
As illustrated in fig. 1 and 2, the switching mechanism of a kind of quick Control Valves for Freight Cars visitor/goods, comprise that main valve lower cover forms 1, at described main valve lower cover, form in 1 and be provided with inflation changing valve, braking changing valve, alleviate changing valve and transaxle 2, described inflation changing valve, braking changing valve and alleviation changing valve comprise respectively sandwich valve 3 and changing valve push rod 4, described sandwich valve 3 is pressed on main valve lower cover and forms on 1 interior valve port under the effect of conversion valve spring 5, the other end of described conversion valve spring is resisted against on the changing valve spring abutment 8 being installed on main valve lower cover composition 1, described changing valve push rod 4 falls within on transaxle 2, described changing valve push rod 4 overcoat seal rings 7, on described transaxle 2, be provided with the conversion groove 6 coordinating with transaxle 2 ends, when lorry position, described changing valve push rod 4 ends are positioned at the conversion groove 6 of transaxle 2, sandwich valve 3 both sides is separated sandwich valve completely Shang Xia 3 under the effect of conversion valve spring 5, sandwich valve 3 downside paths and original inflation, braking, alleviating path is communicated with, when passenger vehicle position, described sandwich valve 3 overcomes the pressure of conversion valve spring 5 under the effect of transaxle 2, sandwich valve 3 is backed down, make sandwich valve 3 upper and lower sides paths form respectively inflation in parallel, braking, alleviate path.
Wherein, described transaxle 2 one end are connected with transfer handle 9, by rotating transfer handle 9, changing valve is switched in lorry position and passenger vehicle position, positioning means while being provided with transfer handle 9 in lorry position and passenger vehicle position on described main valve lower cover composition 1, described positioning means comprises that being placed in main valve lower cover forms positioning rod 10 and the jumper spring 11 in 1 mounting groove, at described transfer handle 9 attachment faces, be provided with the guiding fan groove corresponding with positioning rod 10, at described guiding fan groove two ends, be respectively arranged with lorry position locating slot and passenger vehicle position locating slot, described jumper spring 11 one end are resisted against mounting groove inwall, its the other end is resisted against positioning rod 10 end faces, at described transaxle 2 the other ends, be provided with back-up ring 12, at described main valve lower cover, form on 1, the side that back-up ring 12 is set on transaxle 2 is provided with dust cover 13.
When described positioning rod 10 with lorry position locating slot at once, changing valve push rod 4 ends of three changing valves lay respectively in the conversion groove 6 of transaxle 2 correspondences, three sandwich valves 3 all cut out, three path blockades in parallel, and control valve meets railway general wagon and uses requirement; When described positioning rod 10 with passenger vehicle position locating slot at once, the changing valve push rod 4 of three changing valves backs down corresponding sandwich valve 3, three alternate paths are opened, control valve meets the quick lorry of railway and uses requirement.The utility model structure is ingenious, and effect is remarkable, has realized a kind of object of product adaptation various working.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (5)
1. quick Control Valves for Freight Cars visitor/goods switching mechanism, comprise that main valve lower cover forms (1), it is characterized in that: within described main valve lower cover forms (1), be provided with inflation changing valve, braking changing valve, alleviate changing valve and transaxle (2), described inflation changing valve, braking changing valve and alleviation changing valve comprise respectively sandwich valve (3) and changing valve push rod (4), described sandwich valve (3) is pressed on main valve lower cover and forms in (1) on valve port under the effect of conversion valve spring (5), described changing valve push rod (4) falls within on transaxle (2), described changing valve push rod (4) overcoat seal ring (7), on described transaxle (2), be provided with the conversion groove (6) coordinating with transaxle (2) end, when lorry position, described changing valve push rod (4) end is positioned at the conversion groove (6) of transaxle (2), sandwich valve (3) is separated the upper and lower both sides of sandwich valve (3) completely under the effect of conversion valve spring (5), sandwich valve (3) downside path and original inflation, braking, alleviating path is communicated with, when passenger vehicle position, described sandwich valve (3) overcomes the pressure of conversion valve spring (5) under the effect of transaxle (2), sandwich valve (3) is backed down, make sandwich valve (3) upper and lower sides path form respectively inflation in parallel, braking, alleviate path.
2. quick Control Valves for Freight Cars visitor/goods according to claim 1 switching mechanism, it is characterized in that: described conversion valve spring (5) one end is resisted against the end face of sandwich valve (3), its other end is resisted against on the changing valve spring abutment (8) being installed on main valve lower cover composition (1).
3. quick Control Valves for Freight Cars visitor/goods according to claim 1 and 2 switching mechanism, it is characterized in that: described transaxle (2) one end is connected with transfer handle (9), by rotating transfer handle (9), changing valve is switched in lorry position and passenger vehicle position, the positioning means while being provided with transfer handle (9) in lorry position and passenger vehicle position on described main valve lower cover composition (1).
4. quick Control Valves for Freight Cars visitor/goods according to claim 3 switching mechanism, it is characterized in that: described positioning means comprises that being placed in main valve lower cover forms positioning rod (10) and the jumper spring (11) in (1) mounting groove, at described transfer handle (9) attachment face, be provided with the guiding fan groove corresponding with positioning rod (10), at described guiding fan groove two ends, be respectively arranged with lorry position locating slot and passenger vehicle position locating slot, described jumper spring (11) one end is resisted against mounting groove inwall, its the other end is resisted against positioning rod (10) end face, when described positioning rod (10) and lorry position locating slot are at once, changing valve push rod (4) end of three changing valves lays respectively in the conversion groove (6) that transaxle (2) is corresponding, three sandwich valves (3) all cut out, three path blockades in parallel, when described positioning rod (10) and passenger vehicle position locating slot are at once, the changing valve push rod (4) of three changing valves backs down corresponding sandwich valve (3), and three alternate paths are opened.
5. quick Control Valves for Freight Cars visitor/goods according to claim 4 switching mechanism, it is characterized in that: at described transaxle (2) the other end, be provided with back-up ring (12), a side that form at described main valve lower cover that (1) is upper, back-up ring (12) is set on transaxle (2) is provided with dust cover (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320572224.0U CN203442222U (en) | 2013-09-16 | 2013-09-16 | Passenger/cargo conversion mechanism of control valve of fast freight vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320572224.0U CN203442222U (en) | 2013-09-16 | 2013-09-16 | Passenger/cargo conversion mechanism of control valve of fast freight vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203442222U true CN203442222U (en) | 2014-02-19 |
Family
ID=50093279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320572224.0U Withdrawn - After Issue CN203442222U (en) | 2013-09-16 | 2013-09-16 | Passenger/cargo conversion mechanism of control valve of fast freight vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203442222U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103470816A (en) * | 2013-09-16 | 2013-12-25 | 四川制动科技股份有限公司 | Passenger /goods switching mechanism of control valve of quick truck |
| CN104482245A (en) * | 2014-12-09 | 2015-04-01 | 四川制动科技股份有限公司 | Quick-common conversion mechanism for railway braking valve |
-
2013
- 2013-09-16 CN CN201320572224.0U patent/CN203442222U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103470816A (en) * | 2013-09-16 | 2013-12-25 | 四川制动科技股份有限公司 | Passenger /goods switching mechanism of control valve of quick truck |
| CN104482245A (en) * | 2014-12-09 | 2015-04-01 | 四川制动科技股份有限公司 | Quick-common conversion mechanism for railway braking valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140219 Effective date of abandoning: 20150909 |
|
| RGAV | Abandon patent right to avoid regrant |