CN212927967U

CN212927967U - Pressure regulating device and engine

Info

Publication number: CN212927967U
Application number: CN202021852109.5U
Authority: CN
Inventors: 何志良; 谷亚建; 何炎迎; 赵璐璐; 郭良锐; 吴庆先
Original assignee: Guangzhou Automobile Group Co Ltd
Current assignee: Guangzhou Automobile Group Co Ltd
Priority date: 2020-08-28
Filing date: 2020-08-28
Publication date: 2021-04-09
Anticipated expiration: 2030-08-28

Abstract

The utility model provides a pressure regulating device, including casing, machine oil entry and machine oil export, set up in the casing and adjust the oil duct, be provided with the oil duct control assembly of steerable regulation oil duct internal flow size in the regulation oil duct. The pressure adjusting device provided by the utility model can adjust the internal pressure of the oil cooler through the oil duct control assembly; when the pressure in the oil cooler is greater than the preset pressure value on the oil duct control assembly, the oil duct control assembly is opened, and the engine oil in the engine can flow back to the interior of the engine along with the adjusting oil duct of the pressure adjusting device, so that the internal pressure of the oil cooler is reduced; when the pressure in the oil cooler is smaller than or equal to the preset pressure value on the oil duct control assembly, the pressure adjusting device is closed, and the engine oil in the engine enters the oil cooler from the engine oil inlet of the pressure adjusting device. The utility model also provides an engine.

Description

Pressure regulating device and engine

Technical Field

The utility model belongs to the technical field of the engine technique and specifically relates to a pressure regulating device and engine are related to.

Background

The temperature of lubricating oil of an engine is generally controlled by an engine oil cooler, and the lubricating oil and cooling liquid exchange heat in the engine oil cooler, so that redundant heat on the whole vehicle is dissipated through the cooling liquid, the temperature is kept constant, and the highest temperature of the lubricating oil is controlled. In the heat engine stage, the temperature rising speed of the cooling liquid is greater than that of the lubricating oil, and the lubricating oil can be heated through the oil cooler, so that the oil consumption is reduced. In order to increase the power of the oil cooler at low load and low rotation speed, the fin density of the oil cooler of the elevator is generally adopted. However, as the fin density increases, the engine speed increases, the flow resistance of the oil cooler becomes very high, and the power becomes excessive, resulting in an abnormal operation of the lubrication system. How to realize the purpose of improving the power of the oil cooler under the working condition of low load and low rotating speed and keeping the pressure of the oil cooler to maintain constant normal operation under the working condition of high load and high rotating speed is a problem which needs to be solved urgently at present.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve present power for lifting machine oil cooler and promote fin density, and the shortcoming of the unable normal work of lubricating system that leads to provides a pressure regulating device.

The utility model provides a technical scheme that its technical problem adopted is: a pressure adjusting device comprises a shell, an engine oil inlet and an engine oil outlet which penetrate through the shell, and an adjusting oil duct which is arranged in the shell and is communicated with the engine oil inlet and the engine oil outlet, wherein an oil duct control assembly capable of controlling the flow in the adjusting oil duct is arranged in the adjusting oil duct.

Further, the oil duct control assembly comprises a first plug arranged in the adjusting oil duct, a valve body arranged at the engine oil inlet, and a return spring arranged between the first plug and the valve body.

Furthermore, the adjusting oil passage comprises a first oil passage and a second oil passage which are arranged in the shell and are communicated with each other, the first oil passage is communicated with the engine oil inlet, the second oil passage is communicated with the engine oil outlet, and the oil passage control assembly is arranged in the first oil passage.

Furthermore, a first opening is formed in the side face of the shell, the front end of the first oil duct is communicated with the engine oil inlet, the tail end of the first oil duct extends to the first opening of the shell, and a first plug of the oil duct control assembly is arranged at the first opening.

Furthermore, a second opening communicated with the second oil duct is formed in the first oil duct, a third opening is formed in the side face of the shell, the front end of the second oil duct is communicated with the third opening, and the tail end of the second oil duct extends to the second opening of the shell.

Specifically, a second plug for closing the second oil duct is arranged at the third opening, and the engine oil outlet is arranged between the second opening and the third opening.

Furthermore, a plurality of clearance holes are formed in the shell.

The utility model provides a pressure regulating device's beneficial effect lies in: an engine oil inlet and an engine oil outlet in the pressure regulating device are respectively communicated with an engine body and an engine oil cooler, a regulating oil duct is arranged between the engine oil inlet and the engine oil outlet, and an oil duct control assembly capable of controlling the flow in the regulating oil duct is arranged in the regulating oil duct, so that the internal pressure of the engine oil cooler can be regulated through the oil duct control assembly; when the pressure in the oil cooler is greater than the preset pressure value on the oil duct control assembly, the oil duct control assembly is opened, and the engine oil in the engine can flow back to the interior of the engine along with the adjusting oil duct of the pressure adjusting device, so that the internal pressure of the oil cooler is reduced; when the pressure in the oil cooler is smaller than or equal to the preset pressure value on the oil duct control assembly, the pressure adjusting device is closed, and the engine oil in the engine enters the oil cooler from the engine oil inlet of the pressure adjusting device.

The utility model also provides an engine, including the engine body, set up in the engine oil cooler that has the high density fin on the engine body and set up in the engine body with foretell pressure regulating device between the engine oil cooler, be provided with the first entry and the first export that can supply the machine oil business turn over on the engine body, be provided with the second entry and the second export that can supply the machine oil business turn over on the machine oil cooler, pressure regulating device the machine oil entry respectively with first export with the second entry intercommunication, the machine oil export respectively with first entry and second export intercommunication.

Furthermore, a plurality of mounting holes for connecting the oil cooler and the engine body are formed in a shell of the pressure adjusting device.

Furthermore, the pressure regulating device also comprises a pair of mounting gaskets which are respectively arranged at two sides of the pressure regulating device.

The utility model provides an engine's beneficial effect lies in: the engine body of the engine is provided with the engine oil cooler with the high-density fins, the temperature of lubricating oil can be quickly raised in a heat engine stage, so that the oil consumption of the engine is reduced, meanwhile, the pressure adjusting device is further arranged on the engine body, the internal pressure of the engine oil cooler can be automatically adjusted in the normal operation stage of the engine, the flowing loss of the lubricating oil with high rotating speed and heavy load is reduced, and the normal operation of the lubricating oil in the engine is ensured.

Drawings

Fig. 1 is a schematic perspective view of a pressure adjustment device provided by the present invention;

fig. 2 is a full sectional view of a pressure regulating device provided by the present invention;

fig. 3 is a schematic view of a three-dimensional exploded structure of an engine according to the present invention.

In the figure: 100-pressure adjusting device, 10-shell, 11-first opening, 12-third opening, 121-second plug, 13-clearance hole, 14-mounting hole, 20-engine oil inlet, 30-engine oil outlet, 40-dispensing oil duct, 41-first oil duct, 411-second opening, 42-second oil duct, 50-oil duct control component, 51-first plug, 52-valve body, 53-return spring, 200-engine, 210-engine body, 211-first inlet, 212-first outlet, 220-engine oil cooler and 230-mounting gasket.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The first embodiment is as follows:

referring to fig. 1-2, in order to provide a pressure regulating device 100 of the present invention, the pressure regulating device 100 is disposed on an engine 200 for use in pressure regulation of an oil cooler 220 disposed on the engine 200. In order to heat the oil in the engine by the coolant in the heat engine stage of the engine, so as to reduce the oil consumption of the engine 200, the engine 200 generally needs to be provided with an oil cooler 220 with high power. The oil cooler 220 can effectively reduce oil consumption in the heat engine stage of the engine 200, and generates a large resistance when the engine 200 normally operates, thereby affecting the normal operation of the engine oil in the engine 200. Therefore, the utility model provides a pressure regulating device 100 is setting up between engine body 210 and oil cooler 220 for adjust the inside oil pressure of oil cooler 220 in real time, thereby guarantee that oil cooler 220 and engine body 210 can all normally function under any operating mode.

Further, as shown in fig. 1, the present invention provides a pressure regulating device 100, which includes a housing 10, an oil inlet 20 and an oil outlet 30 penetrating through the housing 10, and a regulating oil passage 40 disposed in the housing 10 and communicating the oil inlet 20 and the oil outlet 30. The adjusting oil passage 40 of the pressure adjusting device 100 is used for pressure adjustment of the oil cooler 220 in the engine 200. When the pressure in the oil cooler 220 becomes excessive, the oil in the engine block 210 enters the adjusting oil passage 40 of the housing 10 through the oil inlet 20 and flows back into the engine block 210 through the adjusting oil passage 40, thereby depressurizing the oil cooler 220. When the pressure in the oil cooler 220 is less than or equal to the preset pressure value of the pressure adjusting device 100, the oil in the engine body 210 will pass through the oil inlet 20 and directly enter the oil cooler 220, and the oil in the engine body 210 is cooled by the oil cooler 220.

Further, as shown in fig. 2, the oil passage control assembly 50 is disposed in the regulating oil passage 40 of the pressure regulating device 100, and can control the flow rate in the regulating oil passage 40. The oil passage control assembly 50 is used to control the opening or closing of the adjusting oil passage 40 and adjust the amount of liquid flow in the adjusting oil passage 40. Specifically, the oil passage control assembly 50 includes a first plug 51 disposed in the regulation oil passage 40, a valve body 52 disposed at the oil inlet 20, and a return spring 53 disposed between the first plug 51 and the valve body 52. In the present embodiment, the valve body 52 in the oil passage control assembly 50 is a ball valve as shown in fig. 2. The valve body 52 may also be a plunger or the like for closing the gallery 40 and the oil inlet 20. The first plug 51 is an adjusting valve core, and the pressure value preset on the oil passage control assembly 50 can be adjusted by adjusting the first plug 51. The first plug 51 of the oil passage control assembly 50 can adjust the compression state of the return spring 53, and the greater the pressure applied by the first plug 51 to the return spring 53, the greater the pressure of the preset value set by the oil passage control assembly 50 on the pressure adjusting device 100. The pressure applied to the return spring 53 is a preset pressure value of the pressure regulating device 100.

Further, as shown in fig. 2, in the pressure adjusting apparatus 100 provided by the present invention, the adjusting oil passage 40 includes a first oil passage 41 and a second oil passage 42 which are disposed in the casing 10 and are communicated with each other, the first oil passage 41 is communicated with the engine oil inlet 20, the second oil passage 42 is communicated with the engine oil outlet 30, and the oil passage control assembly 50 is disposed in the first oil passage 41. The first oil passage 41 and the second oil passage 42 are disposed inside the housing 10 to communicate the oil inlet 20 and the oil outlet 30, and the oil passage control assembly 50 is disposed in the first oil passage 41 to open or close the oil inlet 20 and control the amount of oil flowing in the adjusting oil passage 40. In the present embodiment, the first oil passage 41 and the second oil passage 42 are arranged to intersect with each other, and the oil outlet 30 is provided in the middle section of the second oil passage 42.

Further, in this pressure adjusting device 100, a first opening 11 is provided in the side surface of the housing 10, the front end of the first oil passage 41 of the adjusting oil passages 40 communicates with the oil inlet 20, and the tip end of the first oil passage 41 extends to the first opening 11 of the housing 10. In the present embodiment, the pipe diameter of the joint of the first oil passage 41 and the oil inlet 20 is smaller than that of the first oil passage 41, and a trumpet-shaped opening is provided at the joint for abutting against the valve body 52 of the oil passage control assembly 50, so that the valve body 52 closes the joint. Specifically, the first plug 51 of the oil passage control assembly 50 is disposed at the first opening 11. The first oil channel 41 extends from the first opening 11 on the side surface of the housing 10 to the engine oil inlet 20, a threaded hole is formed in the first opening 11 for being in threaded connection with the first plug 51, and the pressure value of the return spring 53 in the oil channel control assembly 50 is adjusted by adjusting the screwing depth of the first plug 51.

Further, as shown in fig. 2, in the adjusting oil passage 40, the first oil passage 41 is provided with a second opening 411 communicating with the second oil passage 42, the side surface of the housing 10 is provided with a third opening 12, the front end of the second oil passage 42 communicates with the third opening 12, and the tail end of the second oil passage 42 extends to the second opening 411 of the housing 10. The second opening 411 is disposed at the middle section of the first oil passage 41, and the third opening 12 is an end portion of the connection line between the second opening 411 and the oil outlet 30 extending to the side of the housing 10. It is this second oil passage 42 that is machined from the side of the housing 10 up to the first oil passage 41, and the oil outlet 30 is located between the second opening 411 and the third opening 12.

Specifically, in the pressure adjusting device 100, a second plug 121 for closing the second oil passage 42 is provided at the third opening 12, and the oil outlet 30 is provided between the second opening 411 and the third opening 12. A threaded hole is formed at the second opening 411 for sealing connection with the second plug 121. The second plugs 121 are mainly configured to prevent the oil in the second oil passage 42 from overflowing from the side of the housing 10, so as to close the end of the second oil passage 42, and the oil in the second oil passage 42 can only flow out from the oil outlet 30.

Further, as shown in fig. 1 and 2, in the pressure adjusting apparatus 100 provided by the present invention, a plurality of clearance holes 13 are provided on the housing 10. The weight of the entire pressure adjusting apparatus 100 is reduced by the plurality of clearance holes 13.

The utility model provides a pressure regulating device 100 sets up between engine block 210 and oil cooler 220 for adjust the pressure of oil cooler 220 in the operation process. The oil inlet 20 and the oil outlet 30 of the pressure adjusting device 100 are respectively communicated with the engine body 210 and the oil cooler 220, the adjusting oil passage 40 is arranged between the oil inlet 20 and the oil outlet 30, and the oil passage control assembly 50 is arranged in the adjusting oil passage 40, so that the internal pressure of the oil cooler 220 can be adjusted through the oil passage control assembly 50; when the pressure inside the oil cooler 220 is greater than the preset pressure value on the oil passage control assembly 50, the oil passage control assembly 50 is opened, and the engine oil in the engine can flow back to the inside of the engine along with the regulating oil passage 40 of the pressure regulating device 100, so that the internal pressure of the oil cooler 220 is reduced; when the pressure inside the oil cooler 220 is less than or equal to the pressure value preset on the oil passage control assembly 50, the pressure regulating device 100 is closed, and the oil in the engine enters the oil cooler 220 through the oil inlet 20 of the pressure regulating device 100.

Example two:

as shown in fig. 3, the present invention further provides an engine 200, which includes an engine body 210, an oil cooler 220 disposed on the engine body 210 and having high-density fins, and the pressure regulating device 100 disposed between the engine body 210 and the oil cooler 220. In the engine 200, the pressure adjustment device 100 is arranged between the oil cooler 220 and the engine body 210, so that the oil cooler 220 arranged on the engine body 210 can be a cooler with high-density fins, the high-density fins can effectively improve the power of the oil cooler 220, and the oil cooler 220 heats the oil in the heat engine stage of the engine body 210, thereby achieving the purpose of reducing the oil consumption. In the warm-up stage, the engine body 210 is in a low-load low-rotation-speed operating state, the temperature rise speed of the coolant in the oil cooler 220 is greater than the temperature rise speed of the oil in the engine body 10, the pressure adjustment device 100 is turned off, and the oil in the whole engine body 210 can directly enter the oil cooler 220 to heat the oil in the engine body 210 through the oil cooler 220. When the engine 200 normally operates, the engine body 210 is in a high-load high-speed operating state, at this time, the high-density fins of the oil cooler 220 will bring greater resistance to the flow of the oil, the entry of the oil in the engine body 210 into the oil cooler 220 will cause the pressure in the oil cooler 220 to increase, the pressure adjusting device 100 is opened to operate after the pressure value in the oil cooler 220 is greater than the preset pressure value in the pressure adjusting device 100, and when the oil in the engine body 210 enters the pressure adjusting device 100, a part of the oil is shunted by the pressure adjusting device 100 into the adjusting oil passage 40 of the pressure adjusting device 100 and directly flows back into the engine body 210 through the adjusting oil passage 40, so as to reduce the pressure of the oil cooler 220.

Further, as shown in fig. 1, the housing 10 of the pressure adjusting apparatus 100 is provided with a plurality of mounting holes 14 for connecting the oil cooler 220 and the engine block 210. As shown in fig. 3, the oil cooler 220 is provided with a plurality of bolts fixedly connected to the engine body 210, and the bolts pass through the mounting holes 14 of the pressure adjustment device 100 to directly lock the pressure adjustment device 100 to the engine body 210, so as to fixedly connect the engine body 210, the oil cooler 220 and the pressure adjustment device 100 to each other.

Specifically, as shown in fig. 3, the engine body 210 is provided with a first inlet 212 and a first outlet 211 through which the engine oil can enter and exit, the oil cooler 220 is provided with a second inlet and a second outlet through which the engine oil can enter and exit, the engine oil inlet 20 of the pressure regulating device 100 is respectively communicated with the first outlet 211 and the second inlet, and the engine oil outlet 30 is respectively communicated with the first inlet 212 and the second outlet. The first outlet 211 of the engine body 210 is used for outputting the oil in the engine body 210 from the engine body 210 and entering the oil inlet 20 of the pressure regulating device 100. The second outlet 212 of the engine body 210 is used for returning the oil outputted from the oil outlet 30 of the pressure regulating device 100 to the engine body 210, or returning the oil cooled in the oil cooler 220 from the second outlet of the oil cooler 220 to the engine body 210 through the oil outlet 30. The engine 200 further includes a pair of mounting pads 230 disposed on both sides of the pressure regulating device 100, respectively. The mounting gasket 230 is disposed between the pressure control device 100 and the engine block 210 on one side, and between the pressure control device 100 and the oil cooler 220 on the other side.

Specifically, the oil inlet 20 in the pressure adjusting device 100 has one end communicating with the first outlet 211 in the engine block 210 and the other end communicating with the second inlet in the oil cooler 220. When the pressure regulating device 100 is closed, the first outlet 211 in the engine block 210 and the second inlet in the oil cooler 220 directly communicate through the oil inlet 20 in the pressure regulating device 100. When the pressure regulating device 100 is opened, a part of the oil in the first outlet 211 of the engine body 210 flows back into the pressure regulating device 100 through the oil inlet 20, and another part of the oil flows into the oil cooler 220 through the oil inlet 20.

Specifically, a pair of oil outlets 30 in the pressure regulating device 100 communicate with a first inlet 212 in the engine block 210, and the other end communicates with a second outlet in the oil cooler 220. When the pressure regulating device 100 is closed, the oil cooled in the oil cooler 210 directly flows out from the second outlet of the oil cooler 210 to the oil outlet 30 in the pressure regulating device 100, and directly enters the engine body 210 from the oil outlet 30, so that the oil flows back. When the pressure adjusting device 100 is opened, a part of the oil entering the adjusting oil passage 40 flows back into the engine block 210 through the oil outlet 30, and another part of the oil flowing through the oil cooler 220 also flows back into the engine block 210 through the oil outlet 30.

The utility model provides a pressure regulating device 100's working process: a certain pressure value is preset on the gallery control assembly 50 in the regulated gallery 40.

When the pressure value in the oil cooler 220 is greater than the preset pressure value on the oil passage control assembly 50, the pressure regulating device 100 is opened, that is, the valve body 52 in the regulating oil passage 40 moves towards the first plug 51 side, so as to open the regulating oil passage 40, and a part of the engine oil entering the engine oil inlet 20 enters the first oil passage 41 of the regulating oil passage 40, enters the second oil passage 42 through the first oil passage 41, and finally flows back to the engine body 210 through the engine oil outlet 30 on the second oil passage 42; another portion of the oil entering the oil inlet 20 enters the oil cooler 220 and passes through a second outlet of the oil cooler 220 into the oil outlet 30 and eventually returns to the engine block 210.

When the pressure value in the oil cooling area 220 is less than or equal to the preset pressure value on the oil passage control assembly 50, the pressure regulating device 100 is closed, that is, the valve body 52 in the regulating oil passage 40 is closely attached to the oil inlet 20, so that the regulating oil passage 40 is closed, and the oil entering the oil inlet 20 flows into the oil cooler 220, is discharged from the second outlet of the oil cooler 220, and flows back to the engine body 210 through the oil outlet 30.

The utility model provides an engine 200 is provided with the oil cooler 220 that has the high density fin on engine body 210, can promote the temperature of lubricating oil fast in the heat engine stage, thereby reduce the oil consumption of engine, still be provided with foretell pressure regulating device 100 on this engine body 210 simultaneously, can be used for in engine 200 normal operating stage, the internal pressure of automatically regulated oil cooler 220 reduces the high rotational speed, the loss of lubricating oil pressure flow of heavy load, guarantee the normal operating of lubricating oil in the engine inside.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The pressure adjusting device is characterized by comprising a shell, an engine oil inlet and an engine oil outlet which penetrate through the shell, and an adjusting oil duct which is arranged in the shell and is communicated with the engine oil inlet and the engine oil outlet, wherein an oil duct control assembly capable of controlling the flow in the adjusting oil duct is arranged in the adjusting oil duct.

2. The pressure regulating device of claim 1, wherein the oil gallery control assembly includes a first plug disposed within the regulating oil gallery, a valve body disposed at the oil inlet, and a return spring disposed between the first plug and the valve body.

3. The pressure regulating device of claim 2, wherein the regulating oil passage comprises a first oil passage and a second oil passage disposed in the housing in communication with each other, the first oil passage being in communication with the oil inlet, the second oil passage being in communication with the oil outlet, the oil passage control assembly being disposed within the first oil passage.

4. The pressure regulating device according to claim 3, wherein a first opening is formed in a side surface of the housing, a front end of the first oil passage is communicated with the engine oil inlet, a rear end of the first oil passage extends to the first opening of the housing, and a first plug of the oil passage control assembly is disposed at the first opening.

5. The pressure regulating device according to claim 3, wherein the first oil passage is provided with a second opening communicating with the second oil passage, a side surface of the housing is provided with a third opening, a front end of the second oil passage communicates with the third opening, and a rear end of the second oil passage extends to the second opening of the housing.

6. The pressure regulating device according to claim 5, wherein a second plug for closing the second oil passage is provided at the third opening, and the oil outlet is provided between the second opening and the third opening.

7. A pressure regulating device as claimed in claim 1, wherein the housing is provided with a plurality of clearance holes.

8. An engine comprising an engine body, an oil cooler having high-density fins provided on the engine body, and the pressure adjusting device according to any one of claims 1 to 7 provided between the engine body and the oil cooler, wherein the engine body is provided with a first outlet and a first inlet through which oil can enter and exit, the oil cooler is provided with a second inlet and a second outlet through which oil can enter and exit, the oil inlet of the pressure adjusting device is communicated with the first outlet and the second inlet, and the oil outlet is communicated with the first inlet and the second outlet, respectively.

9. An engine as set forth in claim 8, characterized in that the pressure adjusting means has a housing provided with a plurality of mounting holes for connecting the oil cooler and the engine block.

10. An engine as set forth in claim 8 further comprising a pair of mounting pads disposed on either side of said pressure regulating device.