CN2497049Y - Diesel engine safety-operation control valve - Google Patents
Diesel engine safety-operation control valve Download PDFInfo
- Publication number
- CN2497049Y CN2497049Y CN 01261580 CN01261580U CN2497049Y CN 2497049 Y CN2497049 Y CN 2497049Y CN 01261580 CN01261580 CN 01261580 CN 01261580 U CN01261580 U CN 01261580U CN 2497049 Y CN2497049 Y CN 2497049Y
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- CN
- China
- Prior art keywords
- oil
- valve
- valve rod
- oil inlet
- valve body
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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.)
- Expired - Fee Related
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- Output Control And Ontrol Of Special Type Engine (AREA)
- Valve Device For Special Equipments (AREA)
Abstract
The utility model provides a safe running control valve for the diesel engine, and relates to an internal-combustion engine lubricant pressure device. The valve body is arranged with an oil inlet, one end of the valve body is arranged with an electromagnetism valve, a valve rod is arranged in the valve body, a returning spring is sleeved on the valve rod, one end of the valve connects with the electromagnetism valve core, the other end of the valve body is arranged with an oil storage cavity, an oil outlet and an oil discharging hole are arranged on the oil storage cavity. An oil inlet passage is arranged in the center of the other end of the valve rod, an oil inlet passage oil inlet hole and an oil storage cavity oil inlet hole are arranged on the valve rod to communicate with the oil inlet passage, the oil inlet passage end of the valve rod is provided with an oil storage cavity oil sealing convex tray and movable oil seal of the oil discharging hole. Since one end center of the valve rod is provided with the oil inlet passage, and adopts the oil storage cavity oil sealing convex tray and the movable oil seal of the oil discharging hole to control the in-out and the pressure unloading of the engine oil, the processing precision of the valve body and the valve rod is low, and the machining charge is low. Since the machining precision of the valve body and the valve rod is low, the assembly clearance between the valve body and the valve rod is loose, and the feculence in the engine oil cannot block the valve rod, the motion sensitivity of the valve rod is high, and the safe running of the diesel engine is protected, as well as the utility model is suitable for various diesel engines.
Description
Technical field the utility model relates to the internal combustion engine lubricant pressure unit, says it is a kind of diesel engine safe handling control valve in detail.
We know background technique, and driving etc. appears that engine oil pressure is lower than authorized pressure value, water temperature and the oil temperature is too high, in internal combustion engine operation, and easily ablate bent axle and bearing shell cause damage.Therefore; the diesel engine that power is bigger is equiped with electric control device mostly; electric control device attachment security running control valve; the safe handling control valve is connected with the machine oil low pressure automatic stop device that is installed in high pressure oil pump control rack one end; adopt and cut off machine oil controller oil low pressure automatic stop device; promote control rack and stop to supply with fuel oil, diesel engine is shut down automatically, protection diesel engine running safety.Existing diesel engine safe handling control valve, be on valve body, to be provided with filler opening and oil outlet, valve body one end is provided with solenoid valve, be provided with valve rod in the valve body, suit return spring on the valve rod, valve rod one end connects electromagnetic valve core, the other end is provided with plunger, plunger is provided with annular oil groove, and filler opening inserts the machine oil system, and oil outlet inserts machine oil low pressure automatic stop device, engine oil pressure is in the authorized pressure value, machine oil is through filler opening, annular oil groove on the plunger, oil outlet inserts machine oil low pressure automatic stop device, and control machine oil low pressure automatic stop device is supplied with fuel oil, and diesel engine is run well; Occur that engine oil pressure is lower than that authorized pressure value, water temperature and oil temperature are too high, driving etc.; electric control device is connected solenoid valve drive valve rod and is moved; annular oil groove displacement on the plunger; plunger closes filler opening and oil outlet cuts off engine oil supplying; machine oil low pressure automatic stop device promotes the high pressure oil pump control rack and stops to supply with fuel oil; diesel engine shuts down automatically, protection diesel engine running safety.This diesel engine safe handling control valve, owing to be provided with valve rod in the valve body, valve rod is provided with plunger, adopts plunger shutoff machine oil, valve body and plunger machining accuracy height, the fit up gap is tight, the processing charges height; Because valve body and plunger machining accuracy height, the fit up gap is tight, and the dirt in the machine oil influences the sensitivity of valve rod, and the sensitivity of valve rod is low, and the dirt in the machine oil can block valve rod sometimes, makes valve rod move malfunctioning causing damage.
The technical problem that summary of the invention the utility model solves is to overcome and adopt plunger shutoff machine oil, valve body and plunger machining accuracy height, processing charges height; Valve body and plunger fit up gap are tight, and the dirt in the machine oil influences the sensitivity of valve rod, and the sensitivity of valve rod is low, and the dirt in the machine oil can block valve rod sometimes, and it is malfunctioning that valve rod is moved, damnous problem.
The technical solution of the utility model is, valve body is provided with filler opening, valve body one end is provided with solenoid valve, be provided with valve rod in the valve body, suit return spring on the valve rod, valve rod one end connects electromagnetic valve core, its main structure characteristics are, the valve body the other end is provided with shoe cream room, shoe cream room is provided with oil outlet and unloads oilhole, and valve rod the other end center is provided with oil inlet passage, and valve rod is provided with oil inlet passage oil inlet hole and shoe cream room oil inlet hole, be connected with oil inlet passage, oil inlet passage one end of valve rod is provided with the protruding dish of shoe cream room oil sealing and unloads the movable oil sealing of oilhole.
The beneficial effects of the utility model are, because turnover and release that valve rod one end center is provided with oil inlet passage and adopts the protruding dish of shoe cream room oil sealing and unload the movable oil sealing control of oilhole machine oil, valve body and valve rod machining accuracy are low, and processing charges is low; Because valve body and valve rod machining accuracy are low, valve body and valve rod fit up gap are loose, and the dirt in the machine oil can not block valve rod, and valve rod motion sensitivity height can effectively be protected the diesel engine safe handling.The utility model is applicable to various diesel engines.
Appended drawings is a kind of schematic representation of the present utility model, also is a kind of schematic representation of mode of execution.
As shown in the figure, valve body 15 is provided with filler opening 6, and valve body 15 1 ends are provided with solenoid valve 12, are provided with valve rod 11 in the valve body 15, suit return spring 10 on the valve rod 11, and return spring 10 can be sleeved on the valve rod 11 through spring seat 9, and valve rod 11 1 ends connect electromagnetic valve core 13.For preventing that machine oil along valve rod 11 outside seepages, is provided with oil sealing 16 on the valve body 15 of return spring 10 1 ends.The valve body 15 of solenoid valve 12 1 sides is provided with nut 14, and nut 14 can lean return spring 10 on spring seat 9, can adjust the spring-back force of return spring 10.Valve body 15 the other ends are provided with shoe cream room 19, shoe cream room 19 is provided with oil outlet 20 and unloads oilhole 1, valve rod 11 the other end centers are provided with oil inlet passage 8, valve rod 11 is provided with oil inlet passage oil inlet hole 7 and shoe cream room oil inlet hole 3, be connected with oil inlet passage 8, machine oil enters oil inlet passage 8 through filler opening 6, oil inlet passage oil inlet hole 7, enters shoe cream room 19 through shoe cream room oil inlet hole 3, enter machine oil low pressure automatic stop device through oil outlet 20, perhaps discharge release through unloading oilhole 1.Unimpeded for making machine oil enter oil inlet passage 8, the filler opening 6 of valve body 15 is provided with annular oil groove 17, also can be provided with annular oil groove 17 on the oil inlet passage oil inlet hole 7 of valve rod 11.Oil inlet passage 8 one ends of valve rod 11 are provided with the protruding dish of shoe cream room oil sealing 23 and unload the movable oil sealing 24 of oilhole, and shoe cream room oil inlet hole 3 can be closed or open to the protruding dish 23 of shoe cream room oil sealing, unload the movable oil sealing 24 of oilhole and can close or open and unload oilhole 1.The protruding dish 23 of shoe cream room oil sealing can be made integral body with valve rod 11, and the protruding dish 23 of shoe cream room oil sealing also can adopt oil resistant rubber to make oil sealing and be fastened on the valve rod 11.Corresponding in the shoe cream room 19 with the protruding dish of shoe cream room oil sealing 23, be provided with fixedly oil sealing 18, make the protruding dish 23 shutoff machine oil of shoe cream room oil sealing tighter.Valve body 15 inserts the machine oil system through fuel inlet fitting 4, inserts machine oil low pressure automatic stop device through delivery connection 22, and shoe cream room 19 inserts fuel tank through offloading joint 2, and solenoid valve 12 inserts electric control device through lead.Engine oil pressure is in the authorized pressure value, valve rod 11 is under the effect of return spring 10, drive the protruding dish 23 of shoe cream room oil sealing and open shoe cream room oil inlet hole 3, unloading the movable oil sealing 24 of oilhole closes and unloads oilhole 1, the oil inlet hole 5 of machine oil on fuel inlet fitting 4, filler opening 6 on the valve body 15, oil inlet passage oil inlet hole 7 on the valve rod 11 enters oil inlet passage 8, enter shoe cream room 19 through shoe cream room oil inlet hole 3, through oil outlet 20, oil outlet 21 on the delivery connection 22 enters machine oil low pressure automatic stop device, and diesel engine runs well; Engine oil pressure occurs and be lower than the authorized pressure value; water temperature and oil temperature are too high; driving etc.; electric control device is connected solenoid valve 12; attracting electromagnetic valve core 13 to drive valve rod 11 moves; spring seat 9 compression retracteding position springs 10; drive the protruding dish 23 of shoe cream room oil sealing and close shoe cream room oil inlet hole 3; unloading the movable oil sealing 24 of oilhole opens and unloads oilhole 1 in the offloading joints 2; the oil outlet 21 of machine oil on delivery connection 22 in the machine oil low pressure automatic stop device; machine oil in oil outlet 20 on the shoe cream room 19 and the shoe cream room 19; the oilhole 1 that unloads in offloading joint 2 enters the fuel tank release; machine oil low pressure automatic stop device promotes the high pressure oil pump control rack and stops to supply with fuel oil; diesel engine shuts down automatically, protection diesel engine running safety.
Claims (4)
1, a kind of diesel engine safe handling control valve, valve body is provided with filler opening, valve body one end is provided with solenoid valve, be provided with valve rod in the valve body, suit return spring on the valve rod, valve rod one end connects electromagnetic valve core, it is characterized in that: the valve body the other end is provided with shoe cream room, shoe cream room is provided with oil outlet and unloads oilhole, valve rod the other end center is provided with oil inlet passage, valve rod is provided with oil inlet passage oil inlet hole and shoe cream room oil inlet hole, is connected with oil inlet passage, and oil inlet passage one end of valve rod is provided with the protruding dish of shoe cream room oil sealing and unloads the movable oil sealing of oilhole.
2, diesel engine safe handling control valve according to claim 1, it is characterized in that: the filler opening of said valve body is provided with annular oil groove.
3, diesel engine safe handling control valve according to claim 1, it is characterized in that: the oil inlet passage oil inlet hole of said valve rod is provided with annular oil groove.
4, diesel engine safe handling control valve according to claim 1 is characterized in that: corresponding in the said shoe cream room with the protruding dish of shoe cream room oil sealing, be provided with fixedly oil sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01261580 CN2497049Y (en) | 2001-09-07 | 2001-09-07 | Diesel engine safety-operation control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01261580 CN2497049Y (en) | 2001-09-07 | 2001-09-07 | Diesel engine safety-operation control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2497049Y true CN2497049Y (en) | 2002-06-26 |
Family
ID=33669497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01261580 Expired - Fee Related CN2497049Y (en) | 2001-09-07 | 2001-09-07 | Diesel engine safety-operation control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2497049Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1314885C (en) * | 2004-02-26 | 2007-05-09 | 江苏江淮动力股份有限公司 | Assembly of pressure adjustable and anti oil pumping cylinder cap and cowling |
| CN105240555A (en) * | 2015-11-02 | 2016-01-13 | 苏州市淞舜五金有限公司 | Fixing lubricating valve rod |
| CN114483690A (en) * | 2021-12-28 | 2022-05-13 | 托肯恒山科技（广州）有限公司 | Integrated module device for hydraulic oil circuit of oiling machine |
-
2001
- 2001-09-07 CN CN 01261580 patent/CN2497049Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1314885C (en) * | 2004-02-26 | 2007-05-09 | 江苏江淮动力股份有限公司 | Assembly of pressure adjustable and anti oil pumping cylinder cap and cowling |
| CN105240555A (en) * | 2015-11-02 | 2016-01-13 | 苏州市淞舜五金有限公司 | Fixing lubricating valve rod |
| CN114483690A (en) * | 2021-12-28 | 2022-05-13 | 托肯恒山科技（广州）有限公司 | Integrated module device for hydraulic oil circuit of oiling machine |
| CN114483690B (en) * | 2021-12-28 | 2023-12-19 | 托肯恒山科技（广州）有限公司 | Integrated module device of oiling machine hydraulic oil circuit integral type |
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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 |