CN102003244A - Three-helical gear oil pump - Google Patents
Three-helical gear oil pump Download PDFInfo
- Publication number
- CN102003244A CN102003244A CN 201010582139 CN201010582139A CN102003244A CN 102003244 A CN102003244 A CN 102003244A CN 201010582139 CN201010582139 CN 201010582139 CN 201010582139 A CN201010582139 A CN 201010582139A CN 102003244 A CN102003244 A CN 102003244A
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- oil
- pump
- gear shaft
- shaft
- driving gear
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Abstract
The invention discloses a three-helical gear oil pump, which comprises a pump body 1, a pump cover 2, a driving gear shaft 3, a medium gear shaft 4, a driven gear shaft 5, a driving gear 6, an idle gear 7, an idle gear shaft 8 and a cylindrical roller bearing 9, wherein the driving gear shaft 3 is arranged in a shaft hole of the pump body 1 and the pump cover 2; the outer end of the driving gear shaft 3 is provided with the driving gear 6; the medium gear shaft 4 is arranged in a shaft hole at the middle position of the pump body 1 and the pump cover 2; the driven gear shaft 5 is arranged in a driven shaft hole at the other end of the pump body and the pump cover; the idle gear shaft 8 is arranged in the cylindrical roller bearing 9 in an idle gear shaft hole, and the outer end of the shaft is provided with the idle gear 7; and the idle gear 7 and the driving gear drive three gears of the oil pump to be responsible for normal rotation of the oil pump and supply of stable-pressure lubricating oil to an engine. The three-helical gear oil pump improves the lubricating property of the engine, reduces the noise of gear transmission and fluctuation of oil pressure, improves the stability and safety of the oil pressure, and prolongs the service life of the engine.
Description
Technical field
The present invention relates to a kind of engine gear formula oil pump, particularly a kind of three helical gear oil pump.
Background technique
Existing a kind of speedup expands the improved motor of energy, need to improve oil flow rate and lubricating efficiency, and the oil pump of existing two gears all exists oil flow rate little, the deficiency that lubricating efficiency is low, can not satisfy the lubricating requirement that this speedup expands the improved motor of energy, influence the performance of normal working of engine and power.
Summary of the invention
The objective of the invention is to overcome the above-mentioned deficiency of prior art, and provide a kind of oil flow rate big, the three helical gear oil pump that lubricating efficiency is high satisfy the lubricating requirement that this speedup expands the improved motor of energy.
Technological scheme of the present invention is: a kind of three helical gear oil pump comprise the pump housing, pump cover, driving gear shaft, intermediate gear shaft, driven gear shaft, driving gear, idle gear, idler shaft and cylinder rolling bearing; The pump housing is provided with and is used for installing driving gear shaft, intermediate gear shaft, driven gear shaft and idle pulley axis hole vestibule; Pump cover fastens and is installed on the pump housing, and its housing is provided with the axis hole of driving gear shaft, intermediate gear shaft and driven gear shaft, and driving gear shaft is installed in the axis hole of the pump housing and pump cover outer end, and the outer end of driving gear shaft is equipped with driving gear; Intermediate gear shaft is installed in the axis hole of the pump housing and pump cover intermediate portion; driven gear shaft is installed in the driven axis hole of the pump housing and the pump cover the other end; idler shaft is installed in the cylinder rolling bearing hole in the idle pulley axis hole; idle gear is equipped with in the outer end of axle; drive three oil pump gears by idle gear and driving gear, bear the normal rotation of oil pump and the function of supplying steady pressure lubricant oil to motor.
The further technological scheme of the present invention is: also be provided with first on the pump housing junction plane and go out oil pocket and second and go out oil pocket, the oil input channel that pump housing inside is provided with filler opening and is communicated with it, its oil input channel divides two-way logical oil, one the tunnel leads to first oil suction chamber, and the second the tunnel detours to second oil suction chamber of gear trailing flank through oil input channel; Pump cover top also is provided with first and goes out oil pocket, second and go out oil pocket and be used to be communicated with first to go out the tunnel type oil road that oil pocket and second goes out oil pocket, and oil road goes out oil pocket and second with first and goes out oil pocket and be connected the back bending and detour to oil outlet and motor master oil and lead to logical.
The present invention further technological scheme is: what pump housing junction plane was set first goes out on oil pocket and the pump cover set first and goes out oil pocket to direct-connected logical, and what the pump housing 1 was set second goes out oil pocket and go out oil pocket with pump cover second and lead to direct-connected.
The present invention is owing to adopt the innovation structure of three mutual transmissions of gear, make these three gears become two formed two pumps oil of two pairs of gears passages, oil flow rate is doubled, the greasy property and the lubrication effect of motor have been improved, reduce the fluctuation of gear-driven noise and oil pressure, improved the stability and the Security of engine oil pressure; Simultaneously, the present invention is owing to adopt gear and the overall structure of axle, reduced to connect the operation that cooperates processing, assembling and produce man-hour, improved the Security and the reliability of gear shaft transmission and running, prolonged the working life of motor.
Below in conjunction with the drawings and specific embodiments detailed content of the present invention is further described.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the A-A sectional view of Fig. 1;
Fig. 3 is the B-B sectional view of Fig. 1.
Embodiment
As Figure 1-3: a kind of three helical gear oil pump comprise the pump housing 1, pump cover 2, driving gear shaft 3, intermediate gear shaft 4, driven gear shaft 5, driving gear 6, idle gear 7, idler shaft 8 and cylinder rolling bearing 9; The pump housing 1 junction plane is provided with first and goes out oil pocket 11 and second and go out oil pocket 14, the oil input channel 15 that the pump housing 1 inside is provided with filler opening 16 and is communicated with it, 15 fens logical oil of two-way of its oil input channel, one the tunnel leads to first oil suction chamber 12, the second the tunnel detours to second oil suction chamber 13 of gear trailing flank through oil input channel 15, also is provided with on the pump housing 1 and is used for installing driving gear shaft 3, intermediate gear shaft 4, driven gear shaft 5 and idle pulley axis hole 8 vestibules; Pump cover 2 fastens and is installed on the pump housing 1, its housing is provided with the axis hole of driving gear shaft 3, intermediate gear shaft 4 and driven gear shaft 5, pump cover 2 tops also are provided with first and go out oil pocket 21, second and go out oil pocket 23 and be used to be communicated with first to go out the tunnel type oil road 22 that oil pocket 21 and second goes out oil pocket 23, and oil road 22 goes out oil pocket 21 and second with first and goes out oil pocket 23 and be connected the back bending and detour to oil outlet 24 and motor master oil and lead to logical; What the pump housing 1 junction plane was set first goes out on oil pocket 11 and the pump cover 2 set first to go out 21 pairs of oil pockets direct-connected logical, and what the pump housing 1 was set second goes out oil pocket 14 and pump cover 2 second to go out 23 pairs of oil pockets direct-connected logical; Driving gear shaft 3 is installed in the axis hole of the pump housing 1 and pump cover 2 outer ends, and the outer end of driving gear shaft 3 is equipped with driving gear 6; Intermediate gear shaft 4 is installed in the axis hole of the pump housing 1 and pump cover 2 intermediate portions; driven gear shaft 5 is installed in the driven axis hole of the pump housing 1 and pump cover 2 the other ends; idler shaft 8 is installed in the cylinder rolling bearing hole 9 in the idle pulley axis hole; idle gear 7 is equipped with in the outer end of axle; drive three oil pump gears by idle gear 7 and driving gear 6, bear the normal rotation of oil pump and the function of supplying steady pressure lubricant oil to motor.
The present invention carries the working procedure of lubricant oil to be when engine rotation: when motor drives the oil pump rotation, lubricant oil sucks the filler opening 16 of the pump housing 1 by Oil sucking device, be divided into two-way after importing the oil input channel 15 that the pump housing 1 bottom surface is provided with immediately, one the tunnel is transported to first oil suction chamber 12 of driving gear shaft 3 and intermediate gear shaft 4 with lubricant oil, and the tooth cavity by driving gear and intermediate gear is sent to first with oil pump and goes out oil pocket 11,21; The second road lubricant oil then passes through oil input channel 15 around second oil suction chamber 13 to another side intermediate gear shaft 4 and driven gear shaft 5, by the tooth cavity of intermediate gear and driven gear oil pump is delivered to second and go out oil pocket 14,23, after four lubricant oil that go out in oil pocket 11,21 and 14,23 compile the tunnel type oil road 22 that enters on the pump cover 2, be transported to the motor main oil gallery again through oil outlet 24 again, for the lubricated usefulness of each movement parts.
Claims (3)
1. a helical gear oil pump is characterized in that comprising the pump housing, pump cover, driving gear shaft, intermediate gear shaft, driven gear shaft, driving gear, idle gear, idler shaft and cylinder rolling bearing; The pump housing is provided with and is used for installing driving gear shaft, intermediate gear shaft, driven gear shaft and idle pulley axis hole vestibule; Pump cover fastens and is installed on the pump housing, and its housing is provided with the axis hole of driving gear shaft, intermediate gear shaft and driven gear shaft, and driving gear shaft is installed in the axis hole of the pump housing and pump cover outer end, and the outer end of driving gear shaft is equipped with driving gear; Intermediate gear shaft is installed in the axis hole of the pump housing and pump cover intermediate portion; driven gear shaft is installed in the driven axis hole of the pump housing and the pump cover the other end; idler shaft is installed in the cylinder rolling bearing hole in the idle pulley axis hole; idle gear is equipped with in the outer end of axle; drive three oil pump gears by idle gear and driving gear, bear the normal rotation of oil pump and the function of supplying steady pressure lubricant oil to motor.
2. three helical gear oil pump according to claim 1, it is characterized in that also being provided with on the pump housing junction plane first goes out oil pocket and second and goes out oil pocket, the oil input channel that pump housing inside is provided with filler opening and is communicated with it, its oil input channel divides two-way logical oil, one the tunnel leads to first oil suction chamber, and the second the tunnel detours to second oil suction chamber of gear trailing flank through oil input channel; Pump cover top also is provided with first and goes out oil pocket, second and go out oil pocket and be used to be communicated with first to go out the tunnel type oil road that oil pocket and second goes out oil pocket, and oil road goes out oil pocket and second with first and goes out oil pocket and be connected the back bending and detour to oil outlet and motor master oil and lead to logical.
3. three helical gear oil pump according to claim 1 and 2 is characterized in that set first the going out on oil pocket and the pump cover set first and go out oil pocket to direct-connected logical of pump housing junction plane, and what the pump housing 1 was set second goes out oil pocket and go out oil pocket with pump cover second and lead to direct-connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010582139 CN102003244A (en) | 2010-11-27 | 2010-11-27 | Three-helical gear oil pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010582139 CN102003244A (en) | 2010-11-27 | 2010-11-27 | Three-helical gear oil pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102003244A true CN102003244A (en) | 2011-04-06 |
Family
ID=43810906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010582139 Pending CN102003244A (en) | 2010-11-27 | 2010-11-27 | Three-helical gear oil pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102003244A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102818106A (en) * | 2012-08-30 | 2012-12-12 | 浙江平柴泵业有限公司 | One-inlet two-outlet double-connection oil pump |
| CN103470939A (en) * | 2013-09-16 | 2013-12-25 | 安徽华菱汽车有限公司 | Lubricating oil system and gear type engine oil pump thereof |
| CN104180144A (en) * | 2014-08-12 | 2014-12-03 | 广西玉柴机器股份有限公司 | Oil pump assembly of engine |
| CN104976498A (en) * | 2015-07-13 | 2015-10-14 | 常州市宏硕电子有限公司 | Combined fuel pump |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB982542A (en) * | 1961-03-06 | 1965-02-03 | Ass Elect Ind | Improvements in lubricating liquid feed arrangements |
| GB2161861A (en) * | 1984-07-18 | 1986-01-22 | Sundstrand Corp | Gear pump in a lubrication scavenge system |
| US4629405A (en) * | 1979-08-10 | 1986-12-16 | Hoechst Aktiengesellschaft | Gear pump having an automatic lubricator |
| JPH0552106A (en) * | 1991-08-21 | 1993-03-02 | Suzuki Motor Corp | Oil pump device of four cycle engine |
| JPH11247765A (en) * | 1998-02-27 | 1999-09-14 | Unisia Jecs Corp | Compound gear pump and hydraulic circuit of engine |
| DE10140066A1 (en) * | 2001-08-16 | 2003-02-27 | Volkswagen Ag | Gear pump used for supplying lubricating oil to an internal combustion engine comprises a volume-changing shifting unit, drive gear meshing with first gear and further driven gear so that one of the gears is arranged between the others |
| CN201582105U (en) * | 2009-11-25 | 2010-09-15 | 湖南机油泵股份有限公司 | Gear type oil pump with annular oil guide slot |
| CN202065029U (en) * | 2010-11-27 | 2011-12-07 | 湖南机油泵股份有限公司 | Oil pump with three helical gears |
-
2010
- 2010-11-27 CN CN 201010582139 patent/CN102003244A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB982542A (en) * | 1961-03-06 | 1965-02-03 | Ass Elect Ind | Improvements in lubricating liquid feed arrangements |
| US4629405A (en) * | 1979-08-10 | 1986-12-16 | Hoechst Aktiengesellschaft | Gear pump having an automatic lubricator |
| GB2161861A (en) * | 1984-07-18 | 1986-01-22 | Sundstrand Corp | Gear pump in a lubrication scavenge system |
| JPH0552106A (en) * | 1991-08-21 | 1993-03-02 | Suzuki Motor Corp | Oil pump device of four cycle engine |
| JPH11247765A (en) * | 1998-02-27 | 1999-09-14 | Unisia Jecs Corp | Compound gear pump and hydraulic circuit of engine |
| DE10140066A1 (en) * | 2001-08-16 | 2003-02-27 | Volkswagen Ag | Gear pump used for supplying lubricating oil to an internal combustion engine comprises a volume-changing shifting unit, drive gear meshing with first gear and further driven gear so that one of the gears is arranged between the others |
| CN201582105U (en) * | 2009-11-25 | 2010-09-15 | 湖南机油泵股份有限公司 | Gear type oil pump with annular oil guide slot |
| CN202065029U (en) * | 2010-11-27 | 2011-12-07 | 湖南机油泵股份有限公司 | Oil pump with three helical gears |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102818106A (en) * | 2012-08-30 | 2012-12-12 | 浙江平柴泵业有限公司 | One-inlet two-outlet double-connection oil pump |
| CN103470939A (en) * | 2013-09-16 | 2013-12-25 | 安徽华菱汽车有限公司 | Lubricating oil system and gear type engine oil pump thereof |
| CN104180144A (en) * | 2014-08-12 | 2014-12-03 | 广西玉柴机器股份有限公司 | Oil pump assembly of engine |
| CN104976498A (en) * | 2015-07-13 | 2015-10-14 | 常州市宏硕电子有限公司 | Combined fuel pump |
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| PB01 | Publication | ||
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| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20110406 |