CN210509320U - Vehicle lubricating system - Google Patents
Vehicle lubricating system Download PDFInfo
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- CN210509320U CN210509320U CN201921082504.7U CN201921082504U CN210509320U CN 210509320 U CN210509320 U CN 210509320U CN 201921082504 U CN201921082504 U CN 201921082504U CN 210509320 U CN210509320 U CN 210509320U
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Abstract
The utility model discloses a vehicle lubricating system, a serial communication port, include: the system comprises an oil injection control system, an oil pump and a high-pressure oil injection system; the fuel injection control system includes: the piston cooling nozzle oil duct, the electric control cooling oil nozzle and the electromagnetic control valve; the electric control cooling oil nozzle and the electromagnetic control valve are both arranged on the piston cooling nozzle oil duct; the oil pump includes: the oil cooling system comprises a main oil duct, an oil outlet, a feedback oil duct and a feedback machine oil port, wherein the main oil duct is respectively communicated with the oil outlet and the feedback oil duct; the high pressure fuel injection system includes: high-pressure fuel pump and fuel sprayer, high-pressure fuel pump includes: the oil suction port is communicated with the oil duct of the piston cooling nozzle, and the oil injection port is communicated with the oil injection nozzle.
Description
Technical Field
The utility model relates to an automobile manufacturing technical field, in particular to vehicle lubricating system.
Background
The lubricating system is an important lubricating component of the vehicle and mainly plays roles in lubricating, cleaning, cooling, sealing, corrosion prevention, hydraulic pressure and shock absorption and buffering. A typical lubrication system consists of: the oil-water separator comprises an oil pan, an oil pump, a nozzle oil duct, a high-pressure oil injection system, a filter and an oil cooler. The oil pump usually adopts a fixed-displacement oil pump, the required quantity of the engine at low speed is taken as a design basis, the common flow of the oil pump is almost linearly increased along with the change of the rotating speed, the output oil quantity is excessive at high speed, and an oil pressure limiting valve is adopted to discharge redundant oil, so the oil pump of the traditional lubricating system has the defect of engine power consumption waste. The piston cooling nozzle on the nozzle oil duct is opened and closed only by oil pressure control nozzle, and can not restrict oil injection to the piston cooling nozzle under the low-load working condition, and the piston can appear the condition of overcooling, so the nozzle oil duct of the traditional lubricating system has the defects of influencing oil consumption and being unfavorable for emission. The basic function of a high pressure fuel injection system is to continuously provide high pressure fuel to the engine injectors, so that reliable stability and long service life are necessary. The high-pressure oil pump in the traditional lubricating system usually drives an oil pump tappet to do reciprocating motion by a driving cam, and the contact pressure of the driving cam and the oil pump tappet is very high, so that the high-pressure oil pump has the defects of easily causing engine noise and serious mechanical loss and influencing the reliability of the whole machine.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem of the prior art, the embodiment of the utility model provides a vehicle lubricating system. The technical scheme is as follows:
a vehicle lubrication system comprising: the system comprises an oil injection control system, an oil pump and a high-pressure oil injection system;
the fuel injection control system includes: the piston cooling nozzle oil duct, the electric control cooling oil nozzle and the electromagnetic control valve; the electric control cooling oil nozzle and the electromagnetic control valve are both arranged on the piston cooling nozzle oil duct;
the oil pump includes: the oil cooling system comprises a main oil duct, an oil outlet, a feedback oil duct and a feedback machine oil port, wherein the main oil duct is respectively communicated with the oil outlet and the feedback oil duct;
the high-pressure fuel injection system comprises: high-pressure fuel pump and fuel sprayer, the high-pressure fuel pump includes: the oil suction port is communicated with the oil duct of the piston cooling nozzle, and the oil injection port is communicated with the oil injection nozzle.
Further, the vehicle lubrication system further includes: the oil cooler is communicated with the filter and the piston cooling nozzle oil duct.
Further, an oil pressure sensor is arranged between the oil cooler and the piston cooling nozzle oil passage.
Further, the high-pressure fuel injection system further comprises: the device comprises an air inlet camshaft, an air exhaust camshaft, a driving cam, a driving tappet and a vacuum pump; the air inlet cam shaft and one end of the air inlet cam shaft are provided with the driving cam, the other end of the air inlet cam shaft is provided with an air inlet central control valve, one end of the air outlet cam shaft is provided with the vacuum pump, and the other end of the air outlet cam shaft is provided with an air outlet central control valve.
Further, the oil injection nozzle is pressed on a cylinder cover of an engine cylinder, and the oil injection nozzle is arranged in a manner of aligning to the contact position of the driving cam and the driving tappet.
The embodiment of the utility model provides a beneficial effect that technical scheme brought is:
1. the utility model discloses a vehicle lubricating system controls the feedback machine oil pressure of the machine oil pump through the proportional solenoid valve, so that the machine oil pump realizes stepless adjustment of the discharge capacity, and can adjust the output oil quantity according to the actual lubricating requirement of each rotating speed of the engine, thereby saving oil consumption;
2. the utility model discloses oil spout control system adopts solenoid valve control to adopt automatically controlled cooling fuel sprayer oil spout, and cold start or low-load are to close piston cooling nozzle oil duct or automatically controlled cooling fuel sprayer, open when high load or high water temperature, the oil consumption of saving;
3. the utility model discloses increase the fuel sprayer in the nozzle department of high pressure fuel pump, realize the lubrication and the cooling to drive cam and drive tappet contact surface, prolong the life of high pressure fuel pump.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a vehicle lubrication system provided by an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of an oil injection control system according to an embodiment of the present invention;
fig. 3 is a schematic diagram of an oil pump structure provided by an embodiment of the present invention;
FIG. 4 is a schematic cross-sectional view of an oil pump A-A provided in an embodiment of the present invention;
fig. 5 is a schematic diagram of an oil pump outlet and a feedback oil port provided by an embodiment of the present invention;
fig. 6 is a schematic cross-sectional view of a portion of a high-pressure fuel pump of a high-pressure fuel injection system according to an embodiment of the present invention.
In the figure: 1. an oil injection control system; 2. an oil pump; 3. a high pressure fuel injection system; 4. a filter; 5. an oil cooler; 6. an engine cylinder head; 1.1, cooling a nozzle oil duct by a piston; 1.2, electrically controlling the cooling oil nozzle; 1.3, an electromagnetic control valve; 1.4, an engine oil pressure sensor; 2.1, a driving component; 2.2, an oil transportation channel; 2.1.1, a sliding block; 2.1.2, rotor; 2.2.1 main oil gallery; 2.2.2, an oil outlet; 2.2.3, a feedback oil channel; 2.2.4, a feedback oil port; 2.2.5, proportional electromagnetic valve; 3.1, a high-pressure fuel pump; 3.2, an oil nozzle; 3.3, an air inlet camshaft; 3.4, an exhaust camshaft; 3.5, driving a cam; 3.6, driving a tappet; 3.7, a vacuum pump; 3.8, an air inlet central control valve; 3.9, an exhaust central control valve; 6.1 and an oil return port.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the following description will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1, a vehicle lubrication system includes: an oil pan (not shown), an oil injection control system 1, an oil pump 2, a high-pressure oil injection system 3, a filter 4 and an oil cooler 5. The oil pump, the high-pressure oil injection system and the oil cooler are all connected with the oil injection control system, and the filter is connected with the oil pump and the oil cooler.
As shown in fig. 2, the fuel injection control system 1 includes: a piston cooling nozzle oil duct 1.1, an electric control cooling oil nozzle 1.2 and an electromagnetic control valve 1.3; the electric control cooling oil nozzle is arranged on the piston cooling nozzle oil duct, and the electromagnetic control valve is arranged on the piston cooling nozzle oil duct. The engine oil cooler is connected with the piston cooling nozzle oil duct, and an engine oil pressure sensor is arranged between the engine oil cooler and the piston cooling nozzle oil duct.
As shown in fig. 3 and 4, the oil pump 2 includes: the driving assembly 2.1 and the oil conveying passage 2.2 are driven by the driving assembly to control the transmission of engine oil in the oil conveying passage, so that the pumping action is realized. The oil transportation way includes: the oil return device comprises a main oil gallery 2.2.1, an oil outlet 2.2.2, a feedback oil gallery 2.2.3 and a feedback engine oil port 2.2.4, wherein the main oil gallery is communicated with the feedback oil gallery, the main oil gallery is communicated with the oil outlet, and the feedback oil gallery is communicated with the feedback engine oil port. The oil outlet is communicated with the filter, and the oil port of the feedback machine is communicated with the oil duct of the piston cooling nozzle. A PCJ proportional solenoid valve 2.2.5 is arranged on the feedback oil duct to control the opening and closing of the oil duct, so that the oil injection of the piston cooling nozzle is controlled. The proportional solenoid valve controls the pressure of feedback engine oil from the main oil duct, pushes the sliding block 2.1.1 in the driving assembly to move, continuously changes the eccentricity between the sliding block and the rotor 2.1.2, changes the displacement of the engine oil pump in real time, and adjusts the output oil quantity.
As shown in fig. 5 and 6, the high-pressure fuel injection system 3 includes: the high-pressure fuel pump 3.1, the fuel sprayer 3.2, the air inlet camshaft 3.3, the exhaust camshaft 3.4, the driving cam 3.5, the driving tappet 3.3 and the vacuum pump 3.7. The high pressure fuel pump includes: an oil suction port (not shown) which is communicated with the oil passage of the piston cooling nozzle, and an oil injection port (not shown) which is communicated with an oil injection nozzle which is pressed on the cylinder head 6 of the engine. The air inlet cam shaft and one end are provided with a driving cam, the other end is provided with an air inlet central control valve 3.8, one end of the exhaust cam shaft is provided with a vacuum pump, and the other end is provided with an exhaust central control valve 3.9. The driving cam drives the driving tappet to reciprocate through rotation. The oil nozzle aims at the contact position of the driving tappet and the driving cam, high-pressure lubricating oil is sprayed to the contact position of the driving tappet and the driving cam, and the lubricating oil returns to the oil sump through an oil return port 6.1 on the cylinder cover, so that the circulating cooling and lubricating processes of the whole lubricating system are realized. In the embodiment, the oil nozzle is pressed on the cylinder cover of the engine cylinder, an additional high-pressure pump seat is not needed, and the structure is compact.
The embodiment of the utility model provides a beneficial effect that technical scheme brought is:
1. the utility model discloses a vehicle lubricating system controls the feedback machine oil pressure of the machine oil pump through the proportional solenoid valve, so that the machine oil pump realizes stepless adjustment of the discharge capacity, and can adjust the output oil quantity according to the actual lubricating requirement of each rotating speed of the engine, thereby saving oil consumption;
2. the utility model discloses oil spout control system adopts solenoid valve control to adopt automatically controlled cooling fuel sprayer oil spout, and cold start or low-load are to close piston cooling nozzle oil duct or automatically controlled cooling fuel sprayer, open when high load or high water temperature, the oil consumption of saving;
3. the utility model discloses increase the fuel sprayer in the nozzle department of high pressure fuel pump, realize the lubrication and the cooling to drive cam and drive tappet contact surface, prolong the life of high pressure fuel pump.
Above-mentioned all optional technical scheme can adopt arbitrary combination to form the optional embodiment of this utility model, and the repeated description is no longer given here.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (5)
1. A vehicle lubrication system, comprising: the system comprises an oil injection control system, an oil pump and a high-pressure oil injection system;
the fuel injection control system includes: the piston cooling nozzle oil duct, the electric control cooling oil nozzle and the electromagnetic control valve; the electric control cooling oil nozzle and the electromagnetic control valve are both arranged on the piston cooling nozzle oil duct;
the oil pump includes: the oil cooling system comprises a main oil duct, an oil outlet, a feedback oil duct and a feedback machine oil port, wherein the main oil duct is respectively communicated with the oil outlet and the feedback oil duct;
the high-pressure fuel injection system comprises: high-pressure fuel pump and fuel sprayer, the high-pressure fuel pump includes: the oil suction port is communicated with the oil duct of the piston cooling nozzle, and the oil injection port is communicated with the oil injection nozzle.
2. A vehicle lubrication system as claimed in claim 1, further comprising: the oil cooler is communicated with the filter and the piston cooling nozzle oil duct.
3. A vehicle lubrication system as claimed in claim 2, wherein an oil pressure sensor is provided between the oil cooler and the piston cooling nozzle gallery.
4. The vehicle lubrication system of claim 1, wherein said high pressure fuel injection system further comprises: the device comprises an air inlet camshaft, an air exhaust camshaft, a driving cam, a driving tappet and a vacuum pump; the air inlet cam shaft and one end of the air inlet cam shaft are provided with the driving cam, the other end of the air inlet cam shaft is provided with an air inlet central control valve, one end of the air outlet cam shaft is provided with the vacuum pump, and the other end of the air outlet cam shaft is provided with an air outlet central control valve.
5. The vehicle lubrication system of claim 4, wherein said fuel injector is press-fit onto a cylinder head of an engine cylinder, said fuel injector being positioned in alignment with a contact location of said drive cam with said drive lifter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921082504.7U CN210509320U (en) | 2019-07-11 | 2019-07-11 | Vehicle lubricating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921082504.7U CN210509320U (en) | 2019-07-11 | 2019-07-11 | Vehicle lubricating system |
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| Publication Number | Publication Date |
|---|---|
| CN210509320U true CN210509320U (en) | 2020-05-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921082504.7U Active CN210509320U (en) | 2019-07-11 | 2019-07-11 | Vehicle lubricating system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113719332A (en) * | 2020-05-25 | 2021-11-30 | 比亚迪股份有限公司 | Engine lubricating system and engine |
| WO2023005538A1 (en) * | 2021-07-28 | 2023-02-02 | 奇瑞汽车股份有限公司 | Engine lubrication system and engine |
-
2019
- 2019-07-11 CN CN201921082504.7U patent/CN210509320U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113719332A (en) * | 2020-05-25 | 2021-11-30 | 比亚迪股份有限公司 | Engine lubricating system and engine |
| WO2023005538A1 (en) * | 2021-07-28 | 2023-02-02 | 奇瑞汽车股份有限公司 | Engine lubrication system and engine |
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