CN202250533U - High-pressure oil pump and vacuum pump drive assembly of engine - Google Patents
High-pressure oil pump and vacuum pump drive assembly of engine Download PDFInfo
- Publication number
- CN202250533U CN202250533U CN2011203225649U CN201120322564U CN202250533U CN 202250533 U CN202250533 U CN 202250533U CN 2011203225649 U CN2011203225649 U CN 2011203225649U CN 201120322564 U CN201120322564 U CN 201120322564U CN 202250533 U CN202250533 U CN 202250533U
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- engine
- pump
- pressure oil
- vacuum pump
- oil pump
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Abstract
The utility model discloses a high-pressure oil pump and vacuum pump drive assembly of an engine, consisting of a high-pressure oil pump, a vacuum pump, a drive sprocket, a chain, a drive shaft and a pump base. After an improvement, the high-pressure oil pump and the vacuum pump are integrated and installed on the pump base and arranged at the left front part of an engine cylinder body; and the drive sprocket is located at the headmost end and forms a transmission pair together with the chain which is driven by a crankshaft sprocket. The high-pressure oil pump and vacuum pump drive assembly in the utility model has a compact and stable structure and facilitates arrangement and loading of the engine at an engine cabinet of a vehicle body; the engine crankshaft provides a drive force which reduces the camshaft load and minimizes the gas distribution phase error of the engine; the assembly is integrally arranged at the left front part of the motor cylinder body, such that the height of the engine is reduced and vehicle running security is increased; the drive sprocket and the engine oil pump are driven by one same chain, such that the number of parts and components is reduced and the manufacturing cost is reduced.
Description
Technical field
The utility model relates to a kind of driving mechanism, is particularly useful for the driving of engine high pressure oil pump and vacuum pump, belongs to technical field of internal combustion engines.
Background technique
The Hyundai Motor motor generally adopts exhaust turbine pressuring technology to promote power character; But the structure characteristic of turbosupercharged engine; Make the automobile brake force aid system get the vacuum difficulty, therefore need on the exhaust gas turbocharge motor, install vacuum pump additional from intake manifold.At present, have turbo charged in-cylinder direct injection petrol engine, mostly gasoline high pressure oil pump and vacuum pump are installed on cylinder cap and the cylinder head cover; By camshaft actuated, this arrangement machine volume is excessive, and it is compact that structure is owed; Poor stability influences the layout of motor in the cabin; Because the camshaft load increases, and camshaft is prone to produce deformation, the engines distribution phase error is strengthened simultaneously, cause the complete machine power performance to descend.
The model utility content
The purpose of the utility model is to having the disadvantage that turbo charged in-cylinder direct injection petrol engine high pressure oil pump and vacuum pump are arranged and driving mode exists at present, compact structure, connection and reasonable arrangement is provided and can reduces a kind of engine high pressure oil pump and the vacuum pump driving assembly that camshaft is loaded.
The said problem of the utility model realizes with following technical proposals:
A kind of engine high pressure oil pump and vacuum pump drive assembly; Comprise high pressure oil pump, vacuum pump, driving sprocket wheel, chain, live axle and pump seat in the formation; Its specialization is that said high pressure oil pump and vacuum pump are integrated to be installed on the pump seat, is arranged in the left front position of engine cylinder-body; Said driving sprocket wheel is positioned at foremost, forms transmission with the chain that is driven by crankshaft sprocket.
Above-mentioned engine high pressure oil pump and vacuum pump drive assembly; Said live axle is a hollow-core construction; Be integrated with the vacuum pump exhaust port on it, front end and driving sprocket wheel are located, are fastenedly connected through seam, and the centre is provided with four-boss breaker cam; Said four-boss breaker cam and high pressure oil pump rocker arm body are formed transmission, are provided with the opening slot that corresponding mechanism with vacuum pump connects in the rear end of live axle.
Above-mentioned engine high pressure oil pump and vacuum pump drive assembly, and said pump seat is provided with oil leab, are sleeved on the live axle outside, adopt the seam location between pump seat and the cylinder body, and are fixedly connected through fastening piece.
The utility model mesohigh oil pump and vacuum pump adopt integrated arrangement, and compact structure is stable, is convenient to motor and in the car body cabin, arranges and carry; By engine crankshaft driving force is provided, has reduced the camshaft load, reduced the engines distribution phase error.This assembly integral is arranged in the left front position of engine cylinder-body, has reduced the motor height, makes driver's seat open, has improved the Security of vehicle driving; Shared same the chain drive-belt of driving sprocket wheel and engine oil pump driving wheel reduced component number, reduced manufacture cost.
Description of drawings
Below in conjunction with accompanying drawing the utility model is described further.
Fig. 1 is the external structure schematic representation of the utility model;
Fig. 2 is the internal structure schematic representation of the utility model;
Fig. 3 is the drive system schematic representation of the utility model;
Fig. 4 is the live axle structural representation of the utility model.
Each label is among the figure: 1, high pressure oil pump, 2, vacuum pump, 3, pump seat, 4, driving sprocket wheel, 5, live axle, 6, nut, 7, exhaust port, 8, opening slot, 9, four-boss breaker cam, 10, crankshaft sprocket, 11, chain, 12, oil leab, 13, the oil pump driving wheel.
Embodiment
Referring to Fig. 1, Fig. 2, Fig. 3; The utility model comprises high pressure oil pump 1, vacuum pump 2, driving sprocket wheel 4, chain 11, live axle 5 and pump seat 3 in constituting; Said high pressure oil pump 1 and vacuum pump 2 integrated being installed on the pump seat 3; Be arranged in the left front position of engine cylinder-body, said driving sprocket wheel 4 is positioned at foremost, forms transmission with the chain 11 that is driven by crankshaft sprocket 10.
Referring to Fig. 2, Fig. 4; Live axle 5 during the utility model constitutes is a hollow-core construction; Be integrated with vacuum pump exhaust port 7 on it, front end is located, by nut 6 driving sprocket wheel 4 is fastenedly connected through seam, and the centre is provided with four-boss breaker cam 9; Said four-boss breaker cam 9 is formed transmission with the high pressure oil pump rocker arm body, is provided with the opening slot 8 that corresponding mechanism with vacuum pump connects in the rear end of live axle 5.
Referring to Fig. 1, Fig. 3, the pump seat during the utility model constitutes is provided with oil leab 12, is sleeved on live axle 5 outsides, adopts the seam location between pump seat 3 and the cylinder block, and is fixedly connected through fastening piece.
Referring to Fig. 1～Fig. 4, the assembly in the utility model is arranged in the left front position of engine cylinder-body, can make full use of this space, place, and it is compact more that complete machine is arranged, is beneficial to maintenance; Adopt the seam location between pump seat 3 and the cylinder body, and be bolted on the cylinder body through four, like this, pump seat 3 is accurate with the cylinder body installing and locating, and reliability is high; Pump seat 3 is provided with oil leab 12, can be high pressure oil pump 1, vacuum pump 2 fuel feeding, guarantees the proper functioning of two component; High pressure oil pump 1 and vacuum pump 2 integrated being installed on the pump seat 3 adopt same live axle 5 to drive, and can significantly improve the compactedness that high pressure oil pump 1 and vacuum pump 2 are arranged; Driving sprocket wheel 4 adopts the seams location equipped with live axle 5, and is fastened on the front end of live axle 5 through nut 6, like this, makes driving sprocket wheel 4 assemblings simple, accurate positioning, and reliability improves; Drive driving sprocket wheels 4 by crankshaft sprocket 10 through chain 11, the problem that the port timing error of having avoided being caused by camshaft actuated strengthens, stability that drives simultaneously and reliability improve, and adopt the chain drive mode, have saved the space; Engine high pressure oil pump and vacuum pump drive the driving sprocket wheel 4 and engine oil pump driving wheel 13 shared same chain drive-belts 11 of assembly, avoid because of problems such as cost that the single chaining bar of each train causes, space waste; The opening slot 8 that live axle 5 rear ends are provided with is used for connecting and driving vacuum pump 2, and the four-boss breaker cam 9 that is provided with between wherein cooperates with the rocker arm body of high pressure oil pump and drives high pressure oil pump 1 realization fuel oil and pressurize; Live axle 5 integral body are hollow-core construction, are integrated with vacuum pump exhaust port 7 on it, and are simple in structure, save the space, the normal exhaust when guaranteeing vacuum pump 2 work.
Claims (3)
1. engine high pressure oil pump and vacuum pump drive assembly; Comprise high pressure oil pump (1), vacuum pump (2), driving sprocket wheel (4), chain (11), live axle (5) and pump seat (3) in the formation; It is characterized in that said high pressure oil pump (1) is installed on the pump seat (3) with vacuum pump (2) is integrated, integral arrangement is at the left front position of engine cylinder-body; Said driving sprocket wheel (4) is positioned at foremost, forms transmission with the chain (11) that is driven by crankshaft sprocket (10).
2. engine high pressure oil pump according to claim 1 and vacuum pump drive assembly; It is characterized in that said live axle (5) is a hollow-core construction, be integrated with vacuum pump exhaust port (7) on it; Front end adopts the seam location, through nut (6) driving sprocket wheel (4) is fastenedly connected; The centre is provided with four-boss breaker cam (9), and said four-boss breaker cam (9) is formed transmission with the high pressure oil pump rocker arm body, is provided with the opening slot (8) that corresponding mechanism with vacuum pump connects in the rear end of live axle (5).
3. engine high pressure oil pump according to claim 1 and 2 and vacuum pump drive assembly; It is characterized in that said pump seat is provided with oil leab (12), be sleeved on live axle (5) outside; Adopt the seam location between pump seat (3) and the cylinder block, and be fixedly connected through fastening piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203225649U CN202250533U (en) | 2011-08-31 | 2011-08-31 | High-pressure oil pump and vacuum pump drive assembly of engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203225649U CN202250533U (en) | 2011-08-31 | 2011-08-31 | High-pressure oil pump and vacuum pump drive assembly of engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202250533U true CN202250533U (en) | 2012-05-30 |
Family
ID=46111788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203225649U Expired - Lifetime CN202250533U (en) | 2011-08-31 | 2011-08-31 | High-pressure oil pump and vacuum pump drive assembly of engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202250533U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102900519A (en) * | 2012-09-24 | 2013-01-30 | 长城汽车股份有限公司 | Integrated structure of oil pump and vacuum pump of automobile engine |
| CN103670856A (en) * | 2012-09-25 | 2014-03-26 | 重庆长安汽车股份有限公司 | Installation base of high-pressure oil pump of engine |
| CN104632373A (en) * | 2013-11-07 | 2015-05-20 | 悦马塑料技术有限公司 | Pump device with a vacuum pump and a lubrication pump |
| CN113006993A (en) * | 2021-03-24 | 2021-06-22 | 重庆长安汽车股份有限公司 | High pressure fuel pump driving structure |
-
2011
- 2011-08-31 CN CN2011203225649U patent/CN202250533U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102900519A (en) * | 2012-09-24 | 2013-01-30 | 长城汽车股份有限公司 | Integrated structure of oil pump and vacuum pump of automobile engine |
| CN102900519B (en) * | 2012-09-24 | 2015-08-26 | 长城汽车股份有限公司 | A kind of automobile engine oil pump and vacuum pump integrated morphology |
| CN103670856A (en) * | 2012-09-25 | 2014-03-26 | 重庆长安汽车股份有限公司 | Installation base of high-pressure oil pump of engine |
| CN104632373A (en) * | 2013-11-07 | 2015-05-20 | 悦马塑料技术有限公司 | Pump device with a vacuum pump and a lubrication pump |
| US10119541B2 (en) | 2013-11-07 | 2018-11-06 | Joma-Polytec Gmbh | Pump device with a vacuum pump and a lubrication pump |
| CN104632373B (en) * | 2013-11-07 | 2019-05-28 | 悦马塑料技术有限公司 | It is arranged with the pump of vacuum pump and lubricant pump |
| CN113006993A (en) * | 2021-03-24 | 2021-06-22 | 重庆长安汽车股份有限公司 | High pressure fuel pump driving structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120530 |
|
| CX01 | Expiry of patent term |