CN101592074B - Front end cover assembly for integrated lubrication cooling power pump of engine - Google Patents
Front end cover assembly for integrated lubrication cooling power pump of engine Download PDFInfo
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- CN101592074B CN101592074B CN2009101042091A CN200910104209A CN101592074B CN 101592074 B CN101592074 B CN 101592074B CN 2009101042091 A CN2009101042091 A CN 2009101042091A CN 200910104209 A CN200910104209 A CN 200910104209A CN 101592074 B CN101592074 B CN 101592074B
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- pump
- mounting groove
- front cover
- pump mounting
- lubricant pump
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Abstract
The invention discloses a front end cover assembly for an integrated lubrication cooling power pump of an engine, which comprises a front end cover, a cooling water pump and a lubricating oil pump, wherein a lubricating pump mounting slot is arranged in the circumferential direction of the lubricating oil pump on the periphery of a cylinder crank shaft hole on the front end cover, an inner rotor and an outer rotor of the lubricating oil pump are arranged in the lubricating pump mounting slot, an outer cover covers outside the lubricating pump mounting slot, and gaps are reserved among the lubricating pump mounting slot, the outer cover and the inner rotor and the outer rotor; and the front end cover is also provided with a mounting base of the cooling water pump, and the cooling water pump is arranged on the mounting base of the cooling water pump. The front end cover assembly for the integrated lubrication cooling power pump of the engine has a compact structure, saves materials and reduces the cost.
Description
Technical field
The invention belongs to technical field of engines, specifically, particularly relate to a kind of integrated form front end cover assembly that covers lubricated kinetic pump of assembling and cooling kinetic pump at motor head.
Background technique
The effect of automotive engine lubrication kinetic pump is to improve engine oil pressure, machine oil is pressed deliver to the rubbing surface of moving element by lubrication system forcibly, and machine oil is circulated in lubrication system, to guarantee the good lubrication of motor.
Lubricated kinetic pump is to drive internal rotor work by bent axle, when engine operation, internal rotor rotates and drives external rotor and rotates in the same way with bent axle, inner and outer rotors begins to break away from gradually engagement when forwarding the filler opening place to, and the space that both form along sense of rotation increases gradually, produce certain degree of vacuum, machine oil is sucked from filler opening, and along with the continuation rotation of rotor, just the machine oil that the wheel between cog is deposited is taken to oil outlet, at close oil outlet place, in, reduce gradually in the space of external rotor engagement, and fluid is squeezed, and pressure raises, fluid is sent to the motor oil duct lubrication system from the oil outlet of machine oil kinetic pump, in, external rotor meshes again.
Motor car engine cooling kinetic pump is to utilize impeller rotation in the pump chamber, is cyclically-varying, forms hydraulic pressure cooling water is delivered to each workpiece by cooling system, and cooling liquid is circulated in system, to guarantee the good cooling of motor.The cooling kinetic pump is by the crank pulley rotation work, behind the engine start, rotates by belt pulley, the rotation of drive water pump vane, because the rotation of impeller, liquid wherein is along with blade rotates together, under action of centrifugal force, flying away from impeller outwards penetrates, the liquid speed in the pump case explosion chamber that penetrates is slack-off gradually, and pressure increases gradually, and the liquid of being discharged by impeller passes through delivery chamber, most of speed can convert the pressure energy to, discharges from pump discharge pipe then.At this moment, owing to liquid forms the vacuum low-pressure district that does not only have air but also do not have liquid around being thrown toward, under the effect of low pressure, liquid is pressed into the import of impeller in the engine-cooling system in the blade center.Along with the continuous rotation of the pump housing, so the impeller that is rotating just constantly sucks and drain continuously, thereby, the water delivery function of realization water pump.
Traditional main following points of motor defective:
1, traditional engine lubrication kinetic pump is that the external motor head that is assemblied in covers, and this kind mechanism oil leakage is serious, and required manufactured materials is many;
2, traditional engine cooling kinetic pump is to be placed on the engine cylinder-body, and this kind mounting type requisite space is big, and not compact;
3, the lubricated kinetic pump of conventional engines machine is when rotor enters engagement, and the machine oil of between cog produces very big pressure because volume diminishes, and machine oil is compressed, but the compressibility of fluid is very little, thereby oil pressure sharply raises, and therefore oil pump is subjected to additional load so that damages; In addition, when sealed volume increases, vibration and the noise that vacuum causes oil pump will be formed.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of engine lubrication kinetic pump and cooling kinetic pump is integrated in the integrated form front end cover assembly that motor head covers.
Technological scheme of the present invention is as follows: design a kind of front end cover assembly for integrated lubrication cooling power pump of engine, comprise front cover, cooling waterpump and lubricating pump, its main points are:
The hoop of the peripheral lubricating pump of the cylinder body crankshaft hole on described front cover is provided with the lubricant pump mounting groove, the low outer ring of described lubricant pump mounting groove inner ring height, in this lubricant pump mounting groove, be provided with wheel hub, described wheel hub is divided into low-pressure cavity and hyperbaric chamber with described lubricant pump mounting groove, in described lubricant pump mounting groove, internal rotor and external rotor are housed, described internal rotor and external rotor engagement, at described lubricant pump mounting groove external application enclosing cover lid dress, described lubricant pump mounting groove and enclosing cover and in, gapped between the external rotor, on described front cover, be provided with oil inlet hole and oil outlet, described oil inlet hole communicates with described low-pressure cavity, and described oil outlet communicates with hyperbaric chamber;
On described front cover, also be provided with the cooling waterpump fitting seat, simultaneously, on described front cover, be provided with the water intake and the water outlet that communicate with this cooling waterpump fitting seat, described cooling waterpump is installed on this cooling waterpump fitting seat, and the pump leaf of described cooling waterpump is over against water outlet, and the other pump chamber of pump leaf communicates with water intake.
The cylinder body crankshaft hole hoop of the present invention on front cover is provided with the lubricant pump mounting groove, directly independently lubricated kinetic pump is arranged in the lubricant pump mounting groove on this front cover with traditional being arranged separately in, in the described front cover of built-in installation, become a constituent element of described front cover; The present invention also is provided with the cooling waterpump fitting seat on front cover, conventional mounting is directly installed on the described front cover at the cooling waterpump on the engine cylinder-body.Based on above-mentioned design, the lubricious pump pump chamber part of the present invention is an one with front cover, and is gapped between the oil pump inner chamber of front cover and pump cover and the inside and outside rotor, is combined into a complete built-in lubricated kinetic pump by screw pump cover and pump chamber housing, inner and outer rotors.Its advantage is a compact structure, saves material, reduces cost; Be reduced to one-time positioning by the second positioning installation, reduced difficulty of processing, install reliably, can thoroughly solve the pollution problem of external lubricant pump leakage of oil environment.
On described front cover, be provided with pressure relief vent, described pressure relief vent upper end communicates with described hyperbaric chamber, this pressure relief vent middle part communicates with low-pressure cavity, and this pressure relief vent lower end mouth is positioned at described front cover drain pan, and in this pressure relief vent lower end mouth, plug screw is housed and seals, in this plug screw upper end spring is housed, is provided with the pressure limiting spool in the upper end of spring.So design is after the engine oil pressure in the lubrication system is too high, under the effect of oil pressure, the pressure-relief valve support promotes pressure spring and moves downward, when pressure-relief valve support upper end moves to when making that hyperbaric chamber and low-pressure cavity communicate, high pressure oil is back to low-pressure cavity, thereby arrives the repeatedly use of lubricant oil, and the volumetric efficiency of lubricated kinetic pump when release improved more than 20% than traditional release, the lubrication oil supply time when having shortened motor and raising speed suddenly, improved motor working life.
Described pressure limiting spool bottom radially is provided with circular shrinkage hole, and the pressure limiting spool bottom below this circular shrinkage hole is the taper boss, and described spring upper end is stuck on this taper boss, so installs more reliable.
Described oil inlet hole is positioned at the left bottom of described lubricant pump mounting groove, and described oil outlet is positioned at the upper right of this lubricant pump mounting groove, and described pressure relief vent is positioned at the right-hand of described lubricant pump mounting groove, so the project organization compact and reasonable.
Described lubricant pump mounting groove and cooling waterpump fitting seat lay respectively at the both sides of front cover, and described lubricant pump mounting groove is positioned at the bottom of front cover, and described cooling waterpump fitting seat is positioned at the front cover upper left quarter.
Be circumferentially with the cylinder body mounting hole at above-mentioned lubricant pump mounting groove, being provided with the cylinder body mounting hole can be installed in the present invention on the engine cylinder-body.
Beneficial effect:
1, the present invention is as a whole with engine oil pump assembly, water pump complement and the design of motor head lid that originally be independent of respectively outside the motor, reduce the material of single automobile engine oil pump assembly, the water pump complement pump housing, dwindle free-standing engine oil pump assembly and water pump complement and occupy the confined space between motor and the outer type, make the structure of whole motor compact more, and economical with materials, reduce production costs;
When 2, the present invention worked: when inside and outside rotor entered engagement, the machine oil of between cog produced very big pressure because volume diminishes, and machine oil is compressed, because the compressibility of fluid is very little, thereby oil pressure sharply raises, and therefore oil pump is subjected to additional load so that damages; In addition, when sealed volume increases, vibration and the noise that vacuum causes oil pump will be formed.Therefore design has pressure relief vent on front cover, and when gear teeth meshing, the machine oil total pressure of pressure relief vent upper end surpasses the pretightening force of spring, backs down the pressure-relief valve support and allows a part of oil be back in the low-pressure cavity, sends into oil discharge passage via inside and outside rotor rotation again.So promptly can reach the purpose of release, also can reach and reduce vibration and noise;
3, the present invention adopts cover cap to make up built-in mode to be connected with motor, has been changed into built-inly by the external of original lubrication cooling power pump with the motor car engine connecting mode, has avoided the influence of oil seepage to environment effectively.Simultaneously location and install reliably on motor guarantees the steadiness that is connected between product and the motor well, improves the dynamic impact to lubricated cooling kinetic pump assembly that product causes because of motor frequent starting and rotation speed change.
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 rear view of Fig. 1.
Meaning of each numbering is in the above-mentioned accompanying drawing: 1. front cover, 2. cooling waterpump, 3. cylinder body crankshaft hole, 4. wheel hub, 5. low-pressure cavity, 6. hyperbaric chamber, 7. internal rotor, 8. external rotor, 9. enclosing cover, 10. oil inlet hole, 11. oil outlets, 12. cooling waterpump fitting seats, 13. water intake, 14. water outlets, 15. pressure relief vents, 16. plug screw, 17. springs, 18. pressure limiting spools, 18a. shrinkage pool, 18b. boss, 19. cylinder body mounting holes.
Embodiment:
The present invention is further illustrated below in conjunction with accompanying drawing.
See also Fig. 1, Fig. 2 and Fig. 3: shown in front end cover assembly for integrated lubrication cooling power pump of engine, by front cover 1, cooling waterpump 2, lubricating pump is formed, the hoop of the cylinder body crankshaft hole 3 peripheral lubricating pumps on described front cover 1 is provided with the lubricant pump mounting groove, the low outer ring of described lubricant pump mounting groove inner ring height, in this lubricant pump mounting groove, be provided with wheel hub 4, described wheel hub 4 is divided into low-pressure cavity 5 and hyperbaric chamber 6 with described lubricant pump mounting groove, internal rotor 7 and external rotor 8 are housed in described lubricant pump mounting groove, described internal rotor 7 and external rotor 8 engagements, at described lubricant pump mounting groove external application enclosing cover 9 lid dresses, described lubricant pump mounting groove and enclosing cover 9 with in, external rotor 7, gapped between 8, on described front cover 1, be provided with oil inlet hole 10 and oil outlet 11, described oil inlet hole 10 communicates with described low-pressure cavity 5, and described oil outlet 11 communicates with hyperbaric chamber 6;
On described front cover 1, also be provided with cooling waterpump fitting seat 12, simultaneously, on described front cover 1, be provided with the water intake 13 and the water outlet 14 that communicate with this cooling waterpump fitting seat 12, described cooling waterpump 2 is installed on this cooling waterpump fitting seat 12, and the pump leaf of described cooling waterpump 2 is over against water outlet 13, and the other pump chamber of pump leaf communicates with water intake 14.
In Fig. 1, it can also be seen that: on described front cover 1, be provided with pressure relief vent 15, described pressure relief vent 15 upper ends communicate with described hyperbaric chamber 6, these pressure relief vent 15 middle parts communicate with low-pressure cavity 5, and these pressure relief vent 15 lower end mouth are positioned at described front cover 1 drain pan, and in these pressure relief vent 15 lower end mouth, plug screw 16 is housed and seals, in these plug screw 16 upper ends spring 17 is housed, be provided with pressure limiting spool 18 in the upper end of spring 17, described pressure limiting spool 18 bottoms radially are provided with circular shrinkage hole 18a, pressure limiting spool 18 bottoms below this circular shrinkage hole 18a are taper boss 18b, and described spring 17 upper ends are stuck on this taper boss 18b.
Described oil inlet hole 10 is positioned at the left bottom of described lubricant pump mounting groove, and described oil outlet 11 is positioned at the upper right of this lubricant pump mounting groove, and described pressure relief vent 15 is positioned at the right-hand of described lubricant pump mounting groove.
Please participate in Fig. 1: described lubricant pump mounting groove and cooling waterpump fitting seat 12 lay respectively at the both sides of front cover 1, and described lubricant pump mounting groove is positioned at the bottom of front cover 1, and described cooling waterpump fitting seat 12 is positioned at front cover 1 upper left quarter; Be circumferentially with cylinder body mounting hole 19 at described lubricant pump mounting groove.
Claims (6)
1. a front end cover assembly for integrated lubrication cooling power pump of engine comprises front cover (1), cooling waterpump (2) and lubricating pump, it is characterized in that:
The hoop of the peripheral lubricating pump of cylinder body crankshaft hole (3) on described front cover (1) is provided with the lubricant pump mounting groove, the low outer ring of described lubricant pump mounting groove inner ring height, in this lubricant pump mounting groove, be provided with wheel hub (4), described wheel hub (4) is divided into low-pressure cavity (5) and hyperbaric chamber (6) with described lubricant pump mounting groove, internal rotor (7) and external rotor (8) are housed in described lubricant pump mounting groove, described internal rotor (7) and external rotor (8) engagement, at described lubricant pump mounting groove external application enclosing cover (9) lid dress, described lubricant pump mounting groove and enclosing cover (9) with in, external rotor (7,8) gapped between, on described front cover (1), be provided with oil inlet hole (10) and oil outlet (11), described oil inlet hole (10) communicates with described low-pressure cavity (5), and described oil outlet (11) communicates with hyperbaric chamber (6);
On described front cover (1), also be provided with cooling waterpump fitting seat (12), simultaneously, on described front cover (1), be provided with the water intake (13) and the water outlet (14) that communicate with this cooling waterpump fitting seat (12), described cooling waterpump (2) is installed on this cooling waterpump fitting seat (12), and the pump leaf of described cooling waterpump (2) is over against water outlet (13), and the other pump chamber of pump leaf communicates with water intake (14).
2. front end cover assembly for integrated lubrication cooling power pump of engine according to claim 1, it is characterized in that: on described front cover (1), be provided with pressure relief vent (15), described pressure relief vent (15) upper end communicates with described hyperbaric chamber (6), this pressure relief vent (15) middle part communicates with low-pressure cavity (5), and this pressure relief vent (15) lower end mouth is positioned at described front cover (1) drain pan, and in this pressure relief vent (15) lower end mouth, plug screw (16) is housed and seals, in this plug screw (16) upper end spring (17) is housed, is provided with pressure limiting spool (18) in the upper end of spring (17).
3. front end cover assembly for integrated lubrication cooling power pump of engine according to claim 2, it is characterized in that: described pressure limiting spool (18) bottom radially is provided with circular shrinkage hole (18a), pressure limiting spool (18) bottom in this circular shrinkage hole (18a) below is taper boss (18b), and described spring (17) upper end is stuck on this taper boss (18b).
4. front end cover assembly for integrated lubrication cooling power pump of engine according to claim 1 and 2, it is characterized in that: described oil inlet hole (10) is positioned at the left bottom of described lubricant pump mounting groove, described oil outlet (11) is positioned at the upper right of this lubricant pump mounting groove, and described pressure relief vent (15) is positioned at the right-hand of described lubricant pump mounting groove.
5. front end cover assembly for integrated lubrication cooling power pump of engine according to claim 1, it is characterized in that: described lubricant pump mounting groove and cooling waterpump fitting seat (12) lay respectively at the both sides of front cover (1), described lubricant pump mounting groove is positioned at the bottom of front cover (1), and described cooling waterpump fitting seat (12) is positioned at front cover (1) upper left quarter.
6. front end cover assembly for integrated lubrication cooling power pump of engine according to claim 1 is characterized in that: be circumferentially with cylinder body mounting hole (19) at described lubricant pump mounting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101042091A CN101592074B (en) | 2009-06-30 | 2009-06-30 | Front end cover assembly for integrated lubrication cooling power pump of engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101042091A CN101592074B (en) | 2009-06-30 | 2009-06-30 | Front end cover assembly for integrated lubrication cooling power pump of engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101592074A CN101592074A (en) | 2009-12-02 |
| CN101592074B true CN101592074B (en) | 2011-01-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101042091A Expired - Fee Related CN101592074B (en) | 2009-06-30 | 2009-06-30 | Front end cover assembly for integrated lubrication cooling power pump of engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101592074B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8601997B2 (en) * | 2010-05-17 | 2013-12-10 | GM Global Technology Operations LLC | Water pump with integrated oil cooler |
| CN102345500B (en) * | 2010-07-30 | 2013-09-11 | 上汽通用五菱汽车股份有限公司 | Circulation loop for engine cooling system |
| CN102345501B (en) * | 2010-07-30 | 2013-05-08 | 上汽通用五菱汽车股份有限公司 | Engine-cooling system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4231690A1 (en) * | 1992-09-22 | 1994-03-24 | Walter Schopf | Tuner gear pump with outer gear rotor in housing - has outer rotor fixing, bearing, and positioning members providing movement freedom and positioning for outer rotor |
| CN1280246A (en) * | 1999-06-23 | 2001-01-17 | 同轴泵有限公司 | Improvenment of IC engine pump casing |
| US6394059B2 (en) * | 2000-01-26 | 2002-05-28 | International Engine Intellectual Property Company, L.L.C. | Front module housing |
| CN201461031U (en) * | 2009-06-30 | 2010-05-12 | 重庆海通投资集团有限公司 | Front end cap assembly of integrated lubricating cooling power pump of engine |
-
2009
- 2009-06-30 CN CN2009101042091A patent/CN101592074B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4231690A1 (en) * | 1992-09-22 | 1994-03-24 | Walter Schopf | Tuner gear pump with outer gear rotor in housing - has outer rotor fixing, bearing, and positioning members providing movement freedom and positioning for outer rotor |
| CN1280246A (en) * | 1999-06-23 | 2001-01-17 | 同轴泵有限公司 | Improvenment of IC engine pump casing |
| US6394059B2 (en) * | 2000-01-26 | 2002-05-28 | International Engine Intellectual Property Company, L.L.C. | Front module housing |
| CN201461031U (en) * | 2009-06-30 | 2010-05-12 | 重庆海通投资集团有限公司 | Front end cap assembly of integrated lubricating cooling power pump of engine |
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| Publication number | Publication date |
|---|---|
| CN101592074A (en) | 2009-12-02 |
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Application publication date: 20091202 Assignee: Chongqing Haixu Electromechanical Manufacturing Co., Ltd. Assignor: Chongqing Haitong Investment Group Co., Ltd. Contract record no.: 2015500000027 Denomination of invention: Front end cover assembly for integrated lubrication cooling power pump of engine Granted publication date: 20110105 License type: Exclusive License Record date: 20150615 |
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| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110105 Termination date: 20180630 |
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| CF01 | Termination of patent right due to non-payment of annual fee |