CN102269026A - Oil way over-pressure protection device of engine - Google Patents
Oil way over-pressure protection device of engine Download PDFInfo
- Publication number
- CN102269026A CN102269026A CN2010101917594A CN201010191759A CN102269026A CN 102269026 A CN102269026 A CN 102269026A CN 2010101917594 A CN2010101917594 A CN 2010101917594A CN 201010191759 A CN201010191759 A CN 201010191759A CN 102269026 A CN102269026 A CN 102269026A
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- pressure
- engine
- oil duct
- oil
- protective device
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- Lubrication Of Internal Combustion Engines (AREA)
- Safety Valves (AREA)
Abstract
The invention discloses an oil way over-pressure protection device of an engine. A pressure relief device is arranged on a main oil way of the engine. When the pressure of the main oil way of the engine is beyond a preset value, high-pressure oil jacks to open a steel ball tightly pressed by a spring and is leaked, therefore the purpose of reducing the pressure of the oil way is achieved. According to the invention, the low-temperature starting performance of the engine is improved; simultaneously, the influence of engine oil foam to the engine is reduced; pressure control is simple and precise and is easy to realize; and furthermore, the device is simple in structure and easy to assemble.
Description
Technical field
The present invention relates to a kind of overvoltage protective device of hydrodynamic pressure, especially the oil duct overvoltage protective device used of motorcycle or full-region vehicle motor.
Background technique
Motorcycle is all-terrain vehicle especially, because relatively poor road conditions are prone to the machine oil foam breakdown and cause the oil leab instantaneous pressure to raise unusually in the engine operation process.When cold-starting because the machine oil low temperature viscosity increases, the situation that the lubricating oil duct pressure anomaly raises can appear also.
Oil duct pressure is crossed conference and is caused motor oil duct cavitation pitting, and each sealed member lost efficacy, and bears pressure above filter thin oil and cause secondary filter to lose efficacy, and causes problems such as unnecessary engine power loss and each lubricating parts inordinate wear.
Summary of the invention
In order to solve the problem of a series of destruction that motor oil duct overpressure causes motor, the invention provides a kind of oil duct pressure protective device.This device can be opened pressure relief valve when oil duct pressure is higher than limit value (according to the motor difference, setting value is also inequality), to reduce oil duct pressure.
The technological scheme that the present invention solves its technical problem employing is: a pressure relief device is set on the motor main oil gallery.Be connected with the motor main oil gallery by high-pressure oil duct, the precompression of spring is blocked and is configured in the other end employing one of high-pressure oil duct by the steel ball of spring compression.When motor main oil gallery pressure surpassed predetermined value, the steel ball that high pressure oil backs down with spring compression leaked, and reaches the purpose that reduces oil duct pressure.When assembling, control the pressure limit value of oil duct by the impacting force of Regulation spring limit stoper.
The invention has the beneficial effects as follows:
Pressure control is simple, accurate, realizes easily,
Improve the cold starting performance of motor, reduce of the influence of machine oil foam simultaneously motor,
Simple in structure, be easy to assembling.
Four, description of drawings
Below in conjunction with accompanying drawing invention is further specified.
Fig. 1 is a structural drawing of the present invention.
Five, embodiment
In example shown in Figure 1, a kind of oil duct overvoltage protective device of motor is provided with a pressure relief device on motor main oil gallery (6).
Pressure relief device comprises release housing (1), steel ball (2), spring (3), position limit socket (4) and draining hole (7); Release housing (1) is connected by screw thread (5) with motor main oil gallery (6); Described position limit socket (4) is nut or back-up ring or block.When position limit socket (4) adopts adjusting nut, can also control oil duct by adjusting nut and unload pressure pressure.
When oil pressure does not surpass the limit value of setting,, block the duct that is connected with high-pressure oil duct by the spring compression steel ball.
When oil pressure surpassed the limit value of setting, high pressure oil backed down with spring (3) and is pressed on the interior steel ball (2) of release housing (1), and main oil gallery communicates with the external world high pressure oil is leaked via the draining hole (7) in the release housing (1), and oil duct pressure is reduced.
Compress the assembling precompression that position limit socket (4) comes Regulation spring (3) by rotation, the overload protection pressure of control pressure-relief valve.
Claims (5)
1. the oil duct overvoltage protective device of a motor comprises motor main oil gallery (6), it is characterized in that: on described motor main oil gallery (6) pressure relief device is set.
2. the oil duct overvoltage protective device of a kind of motor according to claim 1; it is characterized in that: described pressure relief device; comprise release housing (1), steel ball (2), spring (3), position limit socket (4) and draining hole (7); compress the assembling precompression that position limit socket (4) comes Regulation spring (3) by rotation, the overload protection pressure of control pressure-relief valve.
3. the oil duct overvoltage protective device of a kind of motor according to claim 2, it is characterized in that: described release housing (1) is connected by screw thread (5) with motor main oil gallery (6).
4. according to the oil duct overvoltage protective device of claim 2 or 3 described a kind of motors, it is characterized in that: described position limit socket (4) is nut or back-up ring or block.
5. the oil duct overvoltage protective device of a kind of motor according to claim 4 is characterized in that: when described position limit socket (4) adopts adjusting nut, can control oil duct by adjusting nut and unload pressure pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101917594A CN102269026A (en) | 2010-06-04 | 2010-06-04 | Oil way over-pressure protection device of engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101917594A CN102269026A (en) | 2010-06-04 | 2010-06-04 | Oil way over-pressure protection device of engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102269026A true CN102269026A (en) | 2011-12-07 |
Family
ID=45051450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101917594A Pending CN102269026A (en) | 2010-06-04 | 2010-06-04 | Oil way over-pressure protection device of engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102269026A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107642385A (en) * | 2016-07-20 | 2018-01-30 | 马自达汽车株式会社 | The fluid supply apparatus of engine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0711926A (en) * | 1993-06-25 | 1995-01-13 | Kubota Corp | Pressure adjuster for lubrication oil of engine |
| CN2786286Y (en) * | 2005-02-25 | 2006-06-07 | 南京金城机械有限公司 | Oil pressure controller for gasoline engine |
| CN201165890Y (en) * | 2008-01-30 | 2008-12-17 | 中南控股集团有限公司 | Diesel engine lubricating system |
| FR2917803A1 (en) * | 2007-06-22 | 2008-12-26 | Peugeot Citroen Automobiles Sa | CLOSURE SYSTEM OF SEALING |
| CN101603609A (en) * | 2009-05-06 | 2009-12-16 | 杭州千岛湖陆行泵业有限公司 | The split type pressure-limit valve of a kind of oil pump |
-
2010
- 2010-06-04 CN CN2010101917594A patent/CN102269026A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0711926A (en) * | 1993-06-25 | 1995-01-13 | Kubota Corp | Pressure adjuster for lubrication oil of engine |
| CN2786286Y (en) * | 2005-02-25 | 2006-06-07 | 南京金城机械有限公司 | Oil pressure controller for gasoline engine |
| FR2917803A1 (en) * | 2007-06-22 | 2008-12-26 | Peugeot Citroen Automobiles Sa | CLOSURE SYSTEM OF SEALING |
| CN201165890Y (en) * | 2008-01-30 | 2008-12-17 | 中南控股集团有限公司 | Diesel engine lubricating system |
| CN101603609A (en) * | 2009-05-06 | 2009-12-16 | 杭州千岛湖陆行泵业有限公司 | The split type pressure-limit valve of a kind of oil pump |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107642385A (en) * | 2016-07-20 | 2018-01-30 | 马自达汽车株式会社 | The fluid supply apparatus of engine |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20111207 |