CN202391508U - Novel oil pressure relief valve - Google Patents
Novel oil pressure relief valve Download PDFInfo
- Publication number
- CN202391508U CN202391508U CN2011205509096U CN201120550909U CN202391508U CN 202391508 U CN202391508 U CN 202391508U CN 2011205509096 U CN2011205509096 U CN 2011205509096U CN 201120550909 U CN201120550909 U CN 201120550909U CN 202391508 U CN202391508 U CN 202391508U
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- Prior art keywords
- oil
- valve
- main
- pressure
- screw rod
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- Expired - Lifetime
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- 238000005461 lubrication Methods 0.000 claims abstract description 20
- 238000013016 damping Methods 0.000 claims abstract description 6
- 239000003305 oil spill Substances 0.000 abstract 3
- 239000003921 oil Substances 0.000 description 112
- 239000010705 motor oil Substances 0.000 description 25
- 239000010721 machine oil Substances 0.000 description 13
- 230000000694 effects Effects 0.000 description 8
- 230000001276 controlling effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- -1 this Substances 0.000 description 1
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- Safety Valves (AREA)
Abstract
The utility model belongs to the technical field of engines, and particularly relates to a novel oil pressure relief valve which comprises a main spool, a main valve spring, a pilot valve, a pilot valve spring, an oil spill channel, an adjustment shaft and an adjustment shaft spring, wherein an oil cavity is formed in the hollow main spool, and the main spool is arranged in a valve seat; the upper end of the main spool is connected with the inner wall of the valve seat through the main valve spring, and the lower end of the main spool is provided with a main valve port; the main valve port is provided with a screw, and the screw is provided with a damping hole; the oil cavity is communicated with the main valve port, the pilot valve and the adjustment shaft through an oil duct, and the pilot valve is arranged between the oil spill channel and the oil cavity; and the oil spill channel is communicated with an oil pan of an engine lubrication system, and the adjustment shaft is communicated with the main oil duct of the engine lubrication system through a joint. The object of the utility model is to solve the problem that the oil pressure of the main duct can not be controlled by a pressure limiting valve of an oil pump in the existing engine lubrication system.
Description
Technical field
The utility model belongs to technical field of engines, is specifically related to the new oil pressure relief valve.
Background technique
Lubrication system is the principal organ that guarantees normal working of engine, and it constantly carries the machine oil of cleaning to the friction surface of each part of motor, to reduce the surface friction drag and the wearing and tearing of part; Simultaneously, the machine oil that flows can be taken away fricative heat of part and the fallen metal fillings of wearing and tearing mill, destroys matching gap and causes adverse consequences to prevent the rising of part temperature, avoids the abrasive wear of part; In addition, because machine oil has certain lubricant viscosity and suction-operated, so can play the effect of sealing.
In the lubrication system of motor, the control of engine oil pressure is very crucial, and its normal operation to motor plays important effect.Have only the oil pump pressure-limit valve in the existing lubrication system mostly, its structure is very simple, still; It can only with oil pump pump pressure control in certain safety range, and the machine oil that pumps through cooling, filter to arrive main oil gallery, during the pressure of machine oil some variations can take place; When the engine oil pressure of main oil gallery is too high; The oil pump pressure-limit valve is just powerless, and this makes the engine oil pressure of main oil gallery can't reach safety value, and this infringement to motor is very big.
The model utility content
The purpose of the utility model: in order to solve the problem of the uncontrollable main oil gallery engine oil pressure that oil pump pressure-limit valve in the available engine lubrication system occurs, and propose the new oil pressure relief valve.
The technological scheme of the utility model: the new oil pressure relief valve wherein, comprises main valve plug, main spool spring, pilot valve, pilot valve spring, oil spilling passage, adjusting axle and adjusting axle spring; Described main valve plug hollow forms oil pocket; Described main valve plug is arranged in the valve seat, and its upper end is connected with valve base inner wall through main spool spring, and its lower end offers primary valve; Described primary valve is provided with screw, and described screw is provided with damping hole; Described oil pocket is communicated with through oil duct with primary valve, pilot valve and adjusting axle; Described pilot valve is arranged between oil spilling passage and the oil pocket, and described oil spilling passage is communicated with the oil sump of engine lubrication system; Described adjusting axle is communicated with the main oil gallery of engine lubrication system through joint.
The new oil pressure relief valve of the utility model; Owing to be provided with main valve plug, main spool spring, pilot valve, pilot valve spring, oil spilling passage, adjusting axle and adjusting axle spring specially, so when the engine oil pressure that pumps when oil pump was higher, the machine oil in the oil pocket flowed out from primary valve; And to the bigger pressure of pilot valve generation; Make pilot valve overcome the pressure of pilot valve spring, valve open, thus the oil spilling passage is communicated with oil pocket; Part oil is through in the oil spilling channel flow oil return drain pan, thereby realization is to the control of oil pump oil pressure; In addition, when the engine oil pressure in the main oil gallery is higher, will produce bigger pressure to adjusting axle; The pressure that makes adjusting axle overcome the adjusting axle spring produces and moves, thereby the oil spilling passage is communicated with oil pocket, like this; Part machine oil will flow back in the oil sump from the oil spilling passage, thereby realizes the control to the main oil gallery engine oil pressure, such structural design; Not only easy to use, and simple in structure, the most important thing is; It not only can be controlled the oil pressure of oil pump, can also control the oil pressure of main oil gallery, thereby avoid the problem of the uncontrollable main oil gallery engine oil pressure that the oil pump pressure-limit valve of available engine lubrication system occurs.
Further, also comprise the adjusting screw rod cover; Be provided with adjusting screw rod in the described adjusting screw rod cover, and described adjusting screw rod is connected with the adjusting screw rod thread die cutting; Described adjusting screw rod is arranged with swivel nut outward.
The new oil pressure relief valve of the utility model is owing to also comprise the adjusting screw rod cover; Be provided with adjusting screw rod in the adjusting screw rod cover, and adjusting screw rod is connected with the adjusting screw rod thread die cutting; Adjusting screw rod is arranged with swivel nut outward, so for different motors, can adjust the degree of tightness of adjusting screw rod as required; To change the pressure of adjusting axle spring; Thereby the oil pressure to main oil gallery is different is controlled, and such structural design makes the safety valve have the function of quantitative control; Can be applicable to different motors, have bigger application value.
Description of drawings
Fig. 1 is embodiment's the structural representation of the new oil pressure relief valve of the utility model;
Fig. 2 is the sectional view of B-B among Fig. 1;
Fig. 3 is the linkage structure schematic representation of new oil pressure relief valve in engine lubrication system of the utility model.
Embodiment
Like Fig. 1, Fig. 2 and shown in Figure 3, the utility model provides the new oil pressure relief valve, wherein, comprises main valve plug 2, main spool spring 3, pilot valve 6, pilot valve spring 7, oil spilling passage 8, adjusting axle 11, adjusting axle spring 16 and adjusting screw rod cover 17; Main valve plug 2 hollows form oil pocket 1; Main valve plug 2 is arranged in the valve seat 10, and its upper end is connected with valve seat 10 inwalls through main spool spring 3, and its lower end offers primary valve 4; Primary valve 4 is provided with screw 9, and screw 9 is provided with damping hole 5; Oil pocket 1 and primary valve 4, pilot valve 6 and adjusting axle 11 are communicated with through oil duct; Pilot valve 6 is arranged between oil spilling passage 8 and the oil pocket 1, and oil spilling passage 8 is communicated with the oil sump 13 of engine lubrication system; Adjusting axle 11 is communicated with the main oil gallery 14 of engine lubrication system through joint 12; Be provided with adjusting screw rod 18 in the adjusting screw rod cover 17, and adjusting screw rod 18 is threaded with adjusting screw rod cover 17; The adjusting screw rod 18 outer swivel nuts 19 that are arranged with.
The effect that in fact the described safety valve of present embodiment has two aspects, on the one hand, for the original oil pump 15 of engine lubrication system; Its pressure that pumps machine oil also receives the control of this engine oil pressure safety valve except the control that receives the oil pump pressure-limit valve, detailed process is: the engine oil pressure that pumps when oil pump 15 hour; The engine oil pressure that flows out through primary valve 4 in the oil pocket 1 is less; Pilot valve 6 receives less pressure, and pilot valve 6 is closed, before not reaching the force value that pilot valve 6 opens; The pressure of main valve plug 2 upper and lower ends equates that promptly main valve plug 2 is close to the least significant end of valve seat 10 under the effect of main spool spring 3; When the engine oil pressure that pumps when oil pump 15 was higher, the engine oil pressure that flows out through primary valve 4 in the oil pocket 1 was bigger, and pilot valve 6 is produced bigger pressure; When force value that this pressure is opened greater than pilot valve 6, pilot valve 6 overcomes the pressure of pilot valve spring 7, valve open; Like this, oil spilling passage 8 is communicated with oil pocket 1, and part machine oil flows back in the oil sump 13 through oil spilling passage 8; At this moment, because the throttling action of damping hole 5, the pressure of main valve plug 2 upper ends is less than the pressure of lower end; This effect that makes main valve plug 2 overcome main spool spring 3 is upwards takeoff; This has just quickened overflowing fast of high-pressure oil, and like this, the engine oil pressure that oil pump 15 pumps has obtained better controlled.
On the other hand; When the engine oil pressure in the main oil gallery 14 was low, the pressure that acts on the adjusting axle 11 was less, and this makes the pressure of adjusting axle 11 suffered machine oil less than the pressure of adjusting axle spring 16; Cause oil spilling passage 8 to be obstructed; At this moment, the pressure of main valve plug 2 upper and lower ends equates that promptly main valve plug 2 is close to the least significant end of valve seat 10 under the effect of main spool spring 3; When the engine oil pressure in the main oil gallery 14 was higher, the pressure that acts on the adjusting axle 11 was bigger, and this makes adjusting axle 11 overcome the pressure of adjusting axle spring 16; Move thereby produce, at this moment, oil spilling passage 8 is communicated with oil pocket 1; Part machine oil will flow back to from oil spilling passage 8 in the oil sump 13, at this moment, because the throttling action of damping hole 5; The pressure of main valve plug 2 upper ends is less than the pressure of lower end, and this effect that makes main valve plug 2 overcome main spool spring 3 is upwards takeoff, and this has just quickened overflowing fast of high-pressure oil; Like this, engine oil pressure has just obtained the control of this engine oil pressure safety valve well in the main oil gallery 14.
In addition, for different motors, the demand of its oil pressure is different, and the oil pressure of main oil gallery 14 requires also different, and the setting of adjusting screw rod 18 makes the safety valve have the function of quantitative control.When motor needs the oil pressure of main oil gallery 14 to hang down, then take off swivel nut 19, the degree of tightness of adjustment adjusting screw rod 18; Make pine of adjusting screw rod 18, thereby the pressure that adjusting axle spring 16 is produced is less, when the oil pressure of main oil gallery 14 reaches this lower controlling value; Adjusting axle 11 overcomes the pressure of adjusting axle spring 16, moves thereby produce, at this moment; Oil spilling passage 8 is communicated with oil pocket 1, and part machine oil will flow back in the oil sump 13 from oil spilling passage 8, thereby realizes the control of main oil gallery 14 oil pressure; When motor needs the oil pressure of main oil gallery 14 higher, then take off swivel nut 19, the degree of tightness of adjustment adjusting screw rod 18; Make adjusting screw rod 18 tighter, thereby the pressure that adjusting axle spring 16 is produced is bigger, when the oil pressure of main oil gallery 14 reaches this higher controlling value; Adjusting axle 11 overcomes the pressure of adjusting axle spring 16, moves thereby produce, at this moment; Oil spilling passage 8 is communicated with oil pocket 1, and part machine oil will flow back in the oil sump 13 from oil spilling passage 8, thereby realizes the control of main oil gallery 14 oil pressure.Such structural design makes the safety valve to adjust as required, thereby is applicable in the different motors to have bigger application value.
The structural design of this engine oil pressure safety valve is very simple; Use also very convenient; The most important thing is; It not only can be controlled the oil pressure of oil pump 15, can also control the oil pressure of main oil gallery 14, thereby avoid the problem of uncontrollable main oil gallery 14 engine oil pressures that the oil pump pressure-limit valve of available engine lubrication system occurs.
It is to be noted; This engine oil pressure safety valve is actually an oil pressure regulating controller that on the basis of available engine lubrication system, increases, and promptly this engine oil pressure safety valve is connected in parallel in the engine lubrication system, in fact; The engine oil pressure that oil pump 15 pumps receives the dual control of oil pump pressure-limit valve and this engine oil pressure safety valve; Compare with existing lubrication system, adopted the engine operation of this engine oil pressure safety valve more stable, and long service life.
Above-described only is the preferred implementation of the utility model; Should be understood that for a person skilled in the art; Under the prerequisite that does not break away from the utility model structure, can also make some distortion and improvement, these can not influence effect and practical applicability that the utility model is implemented.
Claims (2)
1. the new oil pressure relief valve is characterized in that: comprise main valve plug (2), main spool spring (3), pilot valve (6), pilot valve spring (7), oil spilling passage (8), adjusting axle (11) and adjusting axle spring (16); Described main valve plug (2) hollow forms oil pocket (1); Described main valve plug (2) is arranged in the valve seat (10), and its upper end is connected with valve seat (10) inwall through main spool spring (3), and its lower end offers primary valve (4); Described primary valve (4) is provided with screw (9), and described screw (9) is provided with damping hole (5); Described oil pocket (1) is communicated with through oil duct with primary valve (4), pilot valve (6) and adjusting axle (11); Described pilot valve (6) is arranged between oil spilling passage (8) and the oil pocket (1), and described oil spilling passage (8) is communicated with the oil sump of engine lubrication system; Described adjusting axle (11) is communicated with the main oil gallery of engine lubrication system through joint (12).
2. new oil pressure relief valve according to claim 1 is characterized in that: also comprise adjusting screw rod cover (17); Be provided with adjusting screw rod (18) in the described adjusting screw rod cover (17), and described adjusting screw rod (18) is threaded with adjusting screw rod cover (17); The outer swivel nut (19) that is arranged with of described adjusting screw rod (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205509096U CN202391508U (en) | 2011-12-26 | 2011-12-26 | Novel oil pressure relief valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205509096U CN202391508U (en) | 2011-12-26 | 2011-12-26 | Novel oil pressure relief valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202391508U true CN202391508U (en) | 2012-08-22 |
Family
ID=46666438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205509096U Expired - Lifetime CN202391508U (en) | 2011-12-26 | 2011-12-26 | Novel oil pressure relief valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202391508U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103133080A (en) * | 2013-02-16 | 2013-06-05 | 洛阳拖拉机研究所有限公司 | Relief valve of engine oil pump and lubricating system thereof |
| CN106194317A (en) * | 2015-04-30 | 2016-12-07 | 内蒙古欧意德发动机有限公司 | Pressure limiting valve |
| CN107956533A (en) * | 2017-12-14 | 2018-04-24 | 潍柴动力股份有限公司 | A kind of engine with flow control valve |
| CN110486132A (en) * | 2017-08-29 | 2019-11-22 | 熵零技术逻辑工程院集团股份有限公司 | A kind of changeable phases pilot valve |
| CN117419193A (en) * | 2023-12-18 | 2024-01-19 | 四川省简阳市川力机械制造有限责任公司 | Safety valve |
-
2011
- 2011-12-26 CN CN2011205509096U patent/CN202391508U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103133080A (en) * | 2013-02-16 | 2013-06-05 | 洛阳拖拉机研究所有限公司 | Relief valve of engine oil pump and lubricating system thereof |
| CN106194317A (en) * | 2015-04-30 | 2016-12-07 | 内蒙古欧意德发动机有限公司 | Pressure limiting valve |
| CN110486132A (en) * | 2017-08-29 | 2019-11-22 | 熵零技术逻辑工程院集团股份有限公司 | A kind of changeable phases pilot valve |
| CN107956533A (en) * | 2017-12-14 | 2018-04-24 | 潍柴动力股份有限公司 | A kind of engine with flow control valve |
| CN107956533B (en) * | 2017-12-14 | 2024-04-16 | 潍柴动力股份有限公司 | Engine with flow regulating valve |
| CN117419193A (en) * | 2023-12-18 | 2024-01-19 | 四川省简阳市川力机械制造有限责任公司 | Safety valve |
| CN117419193B (en) * | 2023-12-18 | 2024-03-08 | 四川省简阳市川力机械制造有限责任公司 | Safety 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 | ||
| CP02 | Change in the address of a patent holder |
Address after: 401260 Phoenix Lake Industrial Park, Yongchuan Industrial Park, Chongqing Patentee after: Chongqing Googol Engine-Tech Co., Ltd. Address before: 401260 Fenghuang Lake Industrial Park, Yongchuan Industrial Zone, Chongqing Patentee before: Chongqing Googol Engine-Tech Co., Ltd. |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Novel oil pressure relief valve Effective date of registration: 20140217 Granted publication date: 20120822 Pledgee: Dongguan rural commercial bank Limited by Share Ltd Dalang branch Pledgor: Chongqing Kirk Engine Technology Co., Ltd.|Guangdong Kang Ling Power Technology Co., Ltd. Registration number: 2014440000002 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20150416 Granted publication date: 20120822 Pledgee: Dongguan rural commercial bank Limited by Share Ltd Dalang branch Pledgor: Chongqing Kirk Engine Technology Co., Ltd.|Guangdong Kang Ling Power Technology Co., Ltd. Registration number: 2014440000002 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Novel oil pressure relief valve Effective date of registration: 20150422 Granted publication date: 20120822 Pledgee: Dongguan rural commercial bank Limited by Share Ltd Dalang branch Pledgor: Guangdong Kang Ling Power Technology Co., Ltd.|Chongqing Kirk Engine Technology Co., Ltd. Registration number: 2015990000299 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20160427 Granted publication date: 20120822 Pledgee: Dongguan rural commercial bank Limited by Share Ltd Dalang branch Pledgor: Guangdong Kang Ling Power Technology Co., Ltd.|Chongqing Kirk Engine Technology Co., Ltd. Registration number: 2015990000299 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Novel oil pressure relief valve Effective date of registration: 20160427 Granted publication date: 20120822 Pledgee: Dongguan rural commercial bank Limited by Share Ltd Dalang branch Pledgor: Guangdong Kang Ling Power Technology Co., Ltd.|Chongqing Kirk Engine Technology Co., Ltd. Registration number: 2016990000340 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 401260 Fenghuang Lake Industrial Park, Yongchuan Industrial Park, Chongqing Patentee after: Chongqing Pangu Power Technology Co.,Ltd. Address before: 401260 Fenghuang Lake Industrial Park, Yongchuan Industrial Park, Chongqing Patentee before: CHONGQING GOOGOL ENGINE-TECH Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120822 |