CN219061800U - Oil-gas separator oil return device and car - Google Patents

Abstract

The utility model relates to the technical field of engines, in particular to an oil-gas separator oil return device and an automobile. The oil-gas separator oil return device of the utility model comprises: the oil separator is communicated with the strainer through an oil return pipe, and the oil pump is communicated with the strainer through an oil suction pipe. According to the oil-gas separator oil return device, the oil-gas separator and the strainer are communicated through the oil return pipe, the oil pump is communicated with the strainer through the oil suction pipe, the oil pump sucks engine oil through the strainer, the oil-gas separator is affected by negative pressure suction of the strainer, and engine oil is sucked into the strainer from the oil-gas separator. The utility model can reduce the height of the oil return pipe, greatly reduce the occurrence of the fault of the oil-gas separator caused by the increase of the pressure of the crankcase, improve the separation efficiency of the oil-gas separator and reduce the positive pressure of the crankcase generated by the oil-gas separator.

Description

Oil-gas separator oil return device and car

Technical Field

The utility model relates to the technical field of engines, in particular to an oil-gas separator oil return device and an automobile.

Background

At present, when an automobile engine works, part of gas in a combustion chamber can enter a crankcase along with the reciprocating motion of a piston, and the gas generally enters the combustion chamber again through a gas outlet of an oil-gas separator oil return device to participate in combustion. With the development of engine technology, the particle diameter of engine oil in a crankcase is greatly reduced compared with the prior art, and crankcase gas is easier to carry a large amount of engine oil particles to be discharged out of the crankcase, so that the phenomenon of high engine oil consumption is caused, the engine oil and waste gas can be separated by the oil-gas separator, and the problem of high engine oil consumption is solved.

The oil-gas separator in the prior art can limit the arrangement of the oil-gas separator on the premise of meeting the separation efficiency.

Disclosure of Invention

The utility model aims to at least solve the problem of arrangement of an oil-gas separator with the height limitation of an oil return pipe. The aim is achieved by the following technical scheme:

the first aspect of the present utility model provides an oil-gas separator oil return device, comprising:

an oil-gas separator;

the oil-gas separator is communicated with the strainer through an oil return pipe;

and the oil pump is communicated with the strainer through an oil suction pipe.

According to the oil-gas separator oil return device, the oil-gas separator and the strainer are communicated through the oil return pipe, the oil pump is communicated with the strainer through the oil suction pipe, the oil pump sucks engine oil through the strainer, the oil-gas separator is affected by negative pressure suction of the strainer, and engine oil is sucked into the strainer from the oil-gas separator. The utility model can reduce the height of the oil return pipe, greatly reduce the occurrence of the fault of the oil-gas separator caused by the increase of the pressure of the crankcase, improve the separation efficiency of the oil-gas separator and reduce the positive pressure of the crankcase generated by the oil-gas separator.

In addition, the oil-gas separator oil return device can also have the following additional technical characteristics:

in some embodiments of the utility model, a connector is provided on the strainer, and a portion of the oil return pipe is fixed in the connector.

In some embodiments of the utility model, a portion of the oil return tube is interference fit with the fitting.

In some embodiments of the present utility model, a pressure balance hole is formed on a side of the oil return pipe, which is close to the strainer.

In some embodiments of the utility model, the oil separator is fixed to the engine block by a first mounting bracket.

In some embodiments of the utility model, the oil suction pipe is fixed to the engine body by a second mounting bracket.

In some embodiments of the utility model, the oil return tube has a bend.

In some embodiments of the utility model, the strainer comprises a screen disposed opposite the inlet of the oil return tube.

In some embodiments of the utility model, the strainer is disposed in an oil pan, and the oil-gas separator is disposed above the oil pan in a vertical direction.

The second aspect of the utility model provides an automobile, comprising the oil-gas separator oil return device.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the utility model. Also, like reference numerals are used to designate like parts throughout the figures. In the drawings:

fig. 1 schematically shows a schematic structural view of an oil separator oil return device according to an embodiment of the present utility model;

fig. 2 schematically shows a partial structural schematic view of an oil separator oil return device according to an embodiment of the present utility model;

fig. 3 schematically shows a partial structural cross-sectional view of an oil separator oil return device according to an embodiment of the present utility model.

The reference numerals are as follows:

10 is an oil-gas separator, 11 is a first mounting frame;

20 is an oil return pipe, 201 is a pressure balance hole;

30 is a strainer, 301 is a strainer cover, 302 is a strainer, 31 is a second mounting bracket, 32 is an oil suction pipe, and 33 is a joint.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "includes," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order described or illustrated, unless an order of performance is explicitly stated. It should also be appreciated that additional or alternative steps may be used.

Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.

For ease of description, spatially relative terms, such as "inner," "outer," "lower," "below," "upper," "above," and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" or "over" the other elements or features. Thus, the example term "below … …" may include both upper and lower orientations. The device may be otherwise oriented (rotated 90 degrees or in other directions) and the spatial relative relationship descriptors used herein interpreted accordingly.

As shown in fig. 1 to 3, according to an embodiment of the present utility model, there is provided an oil separator oil return device including an oil separator 10, a strainer 30, and an oil pump, the oil separator 10 being in communication with the strainer 30 through an oil return pipe 20, the oil pump being in communication with the strainer 30 through an oil suction pipe 32.

In the oil-gas separator oil return device of the present embodiment, the oil-gas separator 10 and the strainer 30 are connected to each other through the oil return pipe 20, the oil pump is connected to the strainer 30 through the oil suction pipe 32, the oil pump sucks the oil through the strainer 30, the oil-gas separator 10 is affected by the suction of the strainer 30 under the negative pressure, and the oil is sucked from the oil-gas separator into the strainer 30. The utility model can reduce the height of the oil return pipe 20, greatly reduce the occurrence of the fault of the oil-gas separator 10 caused by the increase of the pressure of the crankcase, improve the separation efficiency of the oil-gas separator 10 and reduce the positive pressure of the crankcase generated by the oil-gas separator 10.

It will be appreciated that the strainer 30 is provided with a fitting 33, and that a portion of the return tube 20 is secured within the fitting 33. The joint 33 is made of rubber, and the joint 33 is fixed to the strainer cover 301 by vulcanization. Rubber materials are adopted because the rubber has the characteristics of no viscosity, difficult breakage, difficult dissolution in organic matters, thermoplasticity and the like. However, other materials such as engineering plastics, synthetic rubber, etc. in organic materials can also be used for the connector on the strainer.

Specifically, the joint 33 is provided on the strainer cover 301, and a part of the oil return pipe 20 is fixed in the joint 33. The connector 33 may be integrally designed with the strainer cover 301 or may be secured to the strainer cover 301.

Specifically, a part of the oil return pipe 20 is fixed in the joint 33 and is in interference fit with the joint 33, so that leakage of engine oil can be effectively prevented, and the separation efficiency of the oil-gas separator 10 is improved.

It can be appreciated that the oil return pipe 20 is provided with a pressure balance hole 201 at a side close to the strainer 30. The purpose of the pressure balance hole 201 is to avoid the gas sucked into the strainer 30 when the oil separator 10 separates less oil mist as much as possible. The pressure balance hole 201 is provided on the side close to the strainer 30 because the pressure balance hole 201 is closed when the oil mist separated by the oil separator 10 is large, the separated oil is supplied to the strainer 30, and the pressure balance hole 201 is opened when the oil mist separated by the oil separator 10 is small, and the internal pressure of the oil return pipe 20 is reduced.

Specifically, the oil return pipe 20 is provided with a check valve at the middle of the pressure balance hole 201 and the joint 33, so that the air is further prevented from being sucked into the strainer 30.

In some embodiments, the oil suction pipe 32 is fixed to the engine body through the second mounting frame 31, so that the oil suction pipe 32 is ensured not to shake, and the engine oil can be stably sucked, and at the same time, the strainer 30 is fixedly connected with the oil suction pipe 32, so that the strainer 30 can be fixed.

In some embodiments, the oil separator 10 is fixed to the engine body by the first mounting bracket 11, preventing the oil separator 10 from shaking.

In some embodiments, the oil return pipe 20 has a bent portion, and the pipe of the bent portion reduces the impact force of the oil return on the strainer 30, slows down the turbulence degree of the oil, and achieves the effect of controlling the oil mist.

Specifically, the strainer 30 includes a strainer 302, and the strainer 302 is disposed opposite to the inlet of the oil return pipe 20. The filter screen 302 can filter out larger impurities, and the opposite arrangement of the filter screen 302 and the inlet of the oil return pipe 20 can ensure that the engine oil can be sucked into the oil suction pipe 32 quickly and stably and the engine oil can not be turbulent in the strainer 30.

Specifically, the oil pump sucks the oil of the oil pan into the main oil passage through the strainer 30, and the lubrication effect is continued.

The embodiment also provides an automobile, which comprises the oil-gas separator oil return device.

The present utility model is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present utility model are intended to be included in the scope of the present utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims (10)

1. An oil and gas separator oil return device, characterized by comprising:

an oil-gas separator;

the oil-gas separator is communicated with the strainer through an oil return pipe;

and the oil pump is communicated with the strainer through an oil suction pipe.

2. The oil-gas separator oil return device according to claim 1, wherein a joint is provided on the strainer, and a part of the oil return pipe is fixed in the joint.

3. The oil and gas separator oil return apparatus of claim 2, wherein a portion of the oil return pipe is interference fit with the joint.

4. The oil-gas separator oil return device according to claim 1, wherein a pressure balance hole is formed in one side of the oil return pipe, which is close to the strainer.

5. The oil and gas separator oil return apparatus of claim 1, wherein the oil and gas separator is fixed to the engine body by a first mounting bracket.

6. The oil-gas separator oil return apparatus according to claim 1, wherein the oil suction pipe is fixed to the engine body by a second mounting bracket.

7. The oil-gas separator oil return apparatus according to claim 1, wherein the oil return pipe has a bent portion.

8. The oil-gas separator oil return device according to claim 1, wherein the strainer includes a strainer, and the strainer and the inlet of the oil return pipe are disposed opposite to each other.

9. The oil-gas separator oil return device according to claim 1, wherein the strainer is provided in an oil pan, and the oil-gas separator is provided above the oil pan in a vertical direction.

10. An automobile characterized by comprising the oil-gas separator oil return device according to any one of claims 1 to 9.

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