CN105240558A - Air control valve with active lubrication structure - Google Patents
Air control valve with active lubrication structure Download PDFInfo
- Publication number
- CN105240558A CN105240558A CN201510790546.6A CN201510790546A CN105240558A CN 105240558 A CN105240558 A CN 105240558A CN 201510790546 A CN201510790546 A CN 201510790546A CN 105240558 A CN105240558 A CN 105240558A
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- China
- Prior art keywords
- valve
- oil
- graduating
- guiding
- guiding valve
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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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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
- F16K3/36—Features relating to lubrication
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Driven Valves (AREA)
- Portable Nailing Machines And Staplers (AREA)
Abstract
The invention discloses an air control valve with an active lubrication structure. The air control valve with the active lubrication structure comprises a main piston rod, a slide valve, a slide valve sleeve and a graduating valve, wherein an oil storage chamber is arranged inside the main piston rod, lubricating oil is stored inside the oil storage chamber, the chamber above the liquid level of the lubricating oil inside the oil storage chamber is composed of a single-way valve arranged on the main piston rod and is communicated with the chamber of the slide valve, an oil way communicated with the working surfaces of the graduating valve and the slide valve is arranged inside the graduating valve, an oil way communicated with the working surfaces of the slide valve and the slide valve is arranged inside the slide valve, the oil way inside the graduating valve is communicated with the oil way inside the slide valve, and the bottom of the oil storage chamber is communicated with the oil way inside the graduating valve through an oil way pipe. According to the air control valve with the active lubrication structure, provided by the invention, pressured air inside the chamber of the slide valve is used for sending lubricating oil inside the oil storage chamber to all the working surfaces through the oil ways inside the slide valve and the graduating valve, so that the working surfaces of the graduating valve, the slide valve and the graduating valve sleeve are all kept to be in an excellent lubricating state, and the probability of mutual strain is effectively reduced, therefore, the service life of a slide valve pair is prolonged.
Description
Technical field
The invention belongs to valve body structure technical field, particularly a kind of air shut-off valve with active lubrication structure.
Background technique
Existing 120 valves exist in utilization that the guiding valve pair caused because of insufficient lubrication is peeled off, spot corrosion produces valve face and pulls, causes leakage event, have had a strong impact on 120 valve performance stability, have shortened its repair cycle and working life.According to statistics, because of guiding valve pair peel off, pull caused sew that fault accounts for that 120 valves use fault sums about 70%.
Summary of the invention
The object of the invention is to: for above-mentioned Problems existing, provide a kind of wearing and tearing can effectively avoided between control valve guiding valve pair, the air shut-off valve with active lubrication structure increased the service life.
Technological scheme of the present invention is achieved in that a kind of air shut-off valve with active lubrication structure, comprise main piston rod, guiding valve, slide valve buckle and graduating valve, it is characterized in that: in described main piston rod, be provided with shoe cream room, lubricant oil is stored in described shoe cream room, in described shoe cream room, the chamber of lubricant oil ullage consists of and guiding valve chamber the one-way valve be arranged on main piston rod, the oil circuit being communicated with graduating valve and guiding valve working surface is provided with in described graduating valve, the oil circuit being communicated with guiding valve and slide valve buckle working surface is provided with in described guiding valve, oil circuit in described graduating valve is communicated with the oil circuit in guiding valve, be communicated with the oil circuit in graduating valve by oil-way pipe bottom described shoe cream room, when control valve starts to inflate, the pressure air of guiding valve chamber consists of the shoe cream room entered in main piston rod one-way valve, after lubricant oil pressurized in described shoe cream room, flow into the oil circuit in graduating valve through oil-way pipe and arrive the working surface of graduating valve and guiding valve, the working surface of guiding valve and slide valve buckle is arrived again by the oil circuit in guiding valve.
The air shut-off valve with active lubrication structure of the present invention, described in it, one-way valve composition comprises duckbill rubber one way valve, and the pressure air of described guiding valve chamber enters into the chamber of lubricant oil ullage in shoe cream room by duckbill rubber one way valve.
The air shut-off valve with active lubrication structure of the present invention, the joint of oil-way pipe described in it and main piston rod adopts radial seal structure, and the joint of described oil-way pipe and graduating valve adopts end face seal structure.
The air shut-off valve with active lubrication structure of the present invention, the oil circuit in graduating valve described in it is by being arranged on the oil groove on graduating valve end face and the oil circuit in guiding valve is linked up.
The air shut-off valve with active lubrication structure of the present invention, the width of graduating valve described in it is 16mm, and the face width of described guiding valve and graduating valve corresponding matching is 16mm.
The air shut-off valve with active lubrication structure of the present invention, it is provided with some oil outlets of linking up with oil circuit in guiding valve on the working surface of described guiding valve and slide valve buckle, described oil outlet covers the working surface of whole guiding valve and does not interfere with other gas circuits, and the oil outlet on described graduating valve and guiding valve working surface is not interfered with other gas circuits.
The present invention by arrange in guiding valve and graduating valve for linking up the shoe cream room arranged in the oil circuit of each working surface and main piston rod, utilize the pressure air of piston chamber indoor that the oil circuit of the lubricant oil in shoe cream room in guiding valve and graduating valve is delivered to each working surface, allow the lubricating status that the working surface of graduating valve, guiding valve and slide valve buckle remains good, effectively reduce the probability pulled mutually, thus extend the working life of guiding valve pair.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Mark in figure: 1 is main piston rod, and 2 is guiding valve, and 3 is slide valve buckle, and 4 is graduating valve, and 5 is shoe cream room, 6 is one-way valve composition, and 7 is oil-way pipe.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in detail.
In order to make object of the present invention, technological scheme and advantage clearly understand, 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, be not intended to limit the present invention.
As shown in Figure 1, a kind of air shut-off valve with active lubrication structure, comprise main piston rod 1, guiding valve 2, slide valve buckle 3 and graduating valve 4, shoe cream room 5 is provided with in described main piston rod 1, lubricant oil is stored in described shoe cream room 5, in described shoe cream room 5, the chamber of lubricant oil ullage forms 6 and guiding valve chamber by the one-way valve be arranged on main piston rod 1, described one-way valve composition 6 comprises duckbill rubber one way valve, the oil circuit being communicated with graduating valve 4 and guiding valve 2 working surface is provided with in described graduating valve 4, the oil circuit being communicated with guiding valve 2 and slide valve buckle 3 working surface is provided with in described guiding valve 2, oil circuit in described graduating valve 4 is communicated with the oil circuit in guiding valve 2 by the oil groove be arranged on graduating valve 4 end face, be communicated with the oil circuit in graduating valve 4 by oil-way pipe 7 bottom described shoe cream room 5, described oil-way pipe 7 adopts radial seal structure with the joint of main piston rod 1, described oil-way pipe 7 adopts end face seal structure with the joint of graduating valve 4, the width of wherein said graduating valve 4 is 16mm, described guiding valve 2 is 16mm with the face width of graduating valve 4 corresponding matching, described guiding valve 2 with the working surface of slide valve buckle 3 are provided with some oil outlets of linking up with oil circuit in guiding valve 2, described oil outlet covers the working surface of whole guiding valve 2 and does not interfere with other gas circuits, described graduating valve 4 is not interfered with other gas circuits with the oil outlet on guiding valve 2 working surface.
When control valve starts to inflate, the chamber of lubricant oil ullage in the pressure air of guiding valve chamber enters into main piston rod 1 shoe cream room 5 by duckbill rubber one way valve, after lubricant oil pressurized in described shoe cream room 5, flow into the oil circuit in graduating valve 4 through oil-way pipe 7 and arrive the working surface of graduating valve 4 and guiding valve 2, then being arrived the working surface of guiding valve 2 and slide valve buckle 3 by the oil circuit in guiding valve 2.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. one kind has the air shut-off valve of active lubrication structure, comprise main piston rod (1), guiding valve (2), slide valve buckle (3) and graduating valve (4), it is characterized in that: in described main piston rod (1), be provided with shoe cream room (5), lubricant oil is stored in described shoe cream room (5), the chamber of the interior lubricant oil ullage of described shoe cream room (5) forms (6) and guiding valve chamber by the one-way valve be arranged on main piston rod (1), the oil circuit being communicated with graduating valve (4) and guiding valve (2) working surface is provided with in described graduating valve (4), the oil circuit being communicated with guiding valve (2) and slide valve buckle (3) working surface is provided with in described guiding valve (2), oil circuit in described graduating valve (4) is communicated with the oil circuit in guiding valve (2), described shoe cream room (5) bottom is communicated with the oil circuit in graduating valve (4) by oil-way pipe (7), when control valve starts to inflate, the pressure air of guiding valve chamber enters into the shoe cream room (5) in main piston rod (1) by one-way valve composition (6), after lubricant oil pressurized in described shoe cream room (5), flow into the oil circuit in graduating valve (4) through oil-way pipe (7) and arrive the working surface of graduating valve (4) and guiding valve (2), the working surface of guiding valve (2) and slide valve buckle (3) is arrived again by the oil circuit in guiding valve (2).
2. the air shut-off valve with active lubrication structure according to claim 1, it is characterized in that: described one-way valve composition (6) comprises duckbill rubber one way valve, and the pressure air of described guiding valve chamber enters into the chamber of the interior lubricant oil ullage of shoe cream room (5) by duckbill rubber one way valve.
3. the air shut-off valve with active lubrication structure according to claim 1, it is characterized in that: described oil-way pipe (7) adopts radial seal structure with the joint of main piston rod (1), described oil-way pipe (7) adopts end face seal structure with the joint of graduating valve (4).
4. the air shut-off valve with active lubrication structure according to claim 1, is characterized in that: the oil circuit in described graduating valve (4) is by being arranged on the oil groove on graduating valve (4) end face and the oil circuit in guiding valve (2) is linked up.
5. the air shut-off valve with active lubrication structure according to claim 1, is characterized in that: the width of described graduating valve (4) is 16mm, and described guiding valve (2) is 16mm with the face width of graduating valve (4) corresponding matching.
6. the air shut-off valve with active lubrication structure as claimed in any of claims 1 to 5, it is characterized in that: on the working surface of described guiding valve (2) with slide valve buckle (3), be provided with some oil outlets of linking up with oil circuit in guiding valve (2), described oil outlet covers the working surface of whole guiding valve (2) and does not interfere with other gas circuits, and described graduating valve (4) is not interfered with other gas circuits with the oil outlet on guiding valve (2) working surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510790546.6A CN105240558B (en) | 2015-11-17 | 2015-11-17 | A kind of air shut-off valve with active lubrication structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510790546.6A CN105240558B (en) | 2015-11-17 | 2015-11-17 | A kind of air shut-off valve with active lubrication structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105240558A true CN105240558A (en) | 2016-01-13 |
| CN105240558B CN105240558B (en) | 2017-07-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510790546.6A Active CN105240558B (en) | 2015-11-17 | 2015-11-17 | A kind of air shut-off valve with active lubrication structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105240558B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105972296A (en) * | 2016-07-14 | 2016-09-28 | 成都海瑞斯轨道交通设备有限公司 | Main piston rod, air control valve and lubricating method for slide valve pair |
| CN110547960A (en) * | 2019-10-17 | 2019-12-10 | 苏州尚领医疗科技有限公司 | Cardio-pulmonary resuscitation pressing device capable of transmitting X rays |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5303987A (en) * | 1993-07-12 | 1994-04-19 | Westinghouse Air Brake Company | Empty/load changeover valve for railway car |
| CN201970991U (en) * | 2011-04-14 | 2011-09-14 | 北京南车时代机车车辆机械有限公司 | Air control valve and air brake |
| EP2778485A1 (en) * | 2013-03-13 | 2014-09-17 | Kohler Mira Limited | Valve |
| CN104192161A (en) * | 2014-09-24 | 2014-12-10 | 四川制动科技股份有限公司 | Railway brake valve with automatic lubricating oil circulating function |
| CN205278425U (en) * | 2015-11-17 | 2016-06-01 | 四川制动科技股份有限公司 | Air control valve with initiative lubricating structure |
-
2015
- 2015-11-17 CN CN201510790546.6A patent/CN105240558B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5303987A (en) * | 1993-07-12 | 1994-04-19 | Westinghouse Air Brake Company | Empty/load changeover valve for railway car |
| CN201970991U (en) * | 2011-04-14 | 2011-09-14 | 北京南车时代机车车辆机械有限公司 | Air control valve and air brake |
| EP2778485A1 (en) * | 2013-03-13 | 2014-09-17 | Kohler Mira Limited | Valve |
| CN104192161A (en) * | 2014-09-24 | 2014-12-10 | 四川制动科技股份有限公司 | Railway brake valve with automatic lubricating oil circulating function |
| CN205278425U (en) * | 2015-11-17 | 2016-06-01 | 四川制动科技股份有限公司 | Air control valve with initiative lubricating structure |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105972296A (en) * | 2016-07-14 | 2016-09-28 | 成都海瑞斯轨道交通设备有限公司 | Main piston rod, air control valve and lubricating method for slide valve pair |
| CN105972296B (en) * | 2016-07-14 | 2018-07-06 | 成都海瑞斯轨道交通设备有限公司 | A kind of lubricating method of main piston rod, air shut-off valve and guiding valve pair |
| CN110547960A (en) * | 2019-10-17 | 2019-12-10 | 苏州尚领医疗科技有限公司 | Cardio-pulmonary resuscitation pressing device capable of transmitting X rays |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105240558B (en) | 2017-07-28 |
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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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