CN106979048B

CN106979048B - Oil pan of automobile engine

Info

Publication number: CN106979048B
Application number: CN201710103475.7A
Authority: CN
Inventors: 方立锋; 蔡炳芳; 饶聪超; 茅锦鑫
Original assignee: Shentong Technology Group Co Ltd
Current assignee: Shentong Technology Group Co Ltd
Priority date: 2017-02-24
Filing date: 2017-02-24
Publication date: 2022-09-13
Anticipated expiration: 2037-02-24
Also published as: CN106979048A

Abstract

The invention provides an oil pan of an automobile engine, and relates to an oil pan. The oil pan oil-liquid distribution device solves the problem that in the prior art, oil liquid in an oil pan is unevenly distributed due to the fact that the vehicle inclines, so that a crankshaft is unevenly sputtered, and lubrication is uneven. The automobile engine oil pan comprises a shell and is characterized in that oil nozzles facing an engine crankshaft are arranged on the side wall of the shell on two sides of the engine crankshaft, the oil nozzles are communicated with an oil outlet of an oil pump, an oil suction pipe of the oil pump is communicated with the bottom of the oil pan, and pressure sensors for detecting the pressure of lubricating oil in the oil pan are distributed at the bottom of the oil pan. The invention utilizes the active oil injection device controlled by the pump to ensure that the parts at the bottom of the engine can still be lubricated more uniformly according to the change of oil in the oil pan, thereby reducing the abrasion of the parts.

Description

Oil pan of automobile engine

Technical Field

The invention belongs to the technical field of automobiles, and relates to an oil pan of an automobile engine.

Background

The oil pan is the lower half of the crankcase, also known as the lower crankcase. The oil sump has the functions of sealing the crankcase as the shell of the oil sump, preventing impurities from entering, collecting and storing lubricating oil flowing back from each friction surface of the diesel engine, dissipating partial heat, preventing the lubricating oil from being oxidized, simultaneously leading part of the lubricating oil entering the oil sump when the crankshaft rotates to splash the lubricating oil, and being favorable for lubricating all parts around the crankshaft. The lubricating method is simple, but the lubricating oil in the oil pan can be unevenly distributed in the oil pan along with the inclination of a vehicle, so that the uneven sputtering of a crankshaft is caused, the lubrication is uneven, and the influence on the abrasion of parts of the engine is large after a long time, for example, in a long-time up-slope or down-slope state, the liquid in the oil pan can be concentrated at one end.

In addition, the oil in the oil pan needs to be filtered, the existing oil filter generally filters impurities through a filter element, when filter paper is used for a period of time, the filter paper can be gradually blocked by the impurities in the oil to lose oil filtering and oil supplying functions, in order to ensure smooth oil supply, most of the oil filters are provided with a bypass valve structure, when the filter element is blocked, the bypass valve can be opened under the action of oil pressure, unfiltered oil is directly supplied, so that the engine can be ensured to maintain normal operation in emergency, but large-particle impurities accumulated in the filter and not attached to the filter paper before enter the engine, the engine can be seriously abraded, and the impurities are most in scrap iron and the abrasion to the engine is the largest. In addition, when the filter paper has more impurities, the bypass valve is opened.

Disclosure of Invention

The invention aims to solve the problems in the prior art, and provides an automobile engine oil sump which can still ensure good lubrication of engine bottom parts when a vehicle inclines.

The purpose of the invention can be realized by the following technical scheme: the utility model provides an automobile engine oil pan, includes the casing, is provided with the fuel sprayer towards engine crankshaft on the casing lateral wall of engine crankshaft both sides, fuel sprayer and oil pump oil-out UNICOM, the pipeline and oil pan bottom UNICOM, bottom distribution has the pressure sensor who detects the interior lubricating oil pressure of oil pan in the oil pan. When the automobile inclines, the pressure at the position with less liquid is reduced, the approximate distribution condition of the liquid can be obtained through the detection of the pressure sensor, and then the corresponding oil injection nozzle is controlled to inject lubricating oil to the parts above the crankshaft and the like with less oil. The heater is arranged on the pipeline so as to heat the lubricating oil in cold weather, and the lubricating effect is facilitated. An oil filter for filtering oil is arranged on a pipeline, and comprises a filter shell and a filter element assembly arranged in the shell, wherein an oil inlet is arranged on the top surface of the filter shell corresponding to the outer side of an upper port of the filter element assembly, a bypass valve is arranged on a lower port of the filter element assembly, a base support is covered on the lower port of the filter element assembly and comprises a bypass valve positioning barrel extending into a middle hole of the filter element assembly, the lower port of the bypass valve positioning barrel extends outwards along the lower port of the filter element assembly to form a support ring, the edge of the support ring extends outwards and downwards to form a plurality of support legs, the support legs are elastically abutted against the bottom surface of the filter shell, the bypass valve is fixedly arranged on the bottom surface of the bypass valve positioning barrel in a penetrating manner, a dirt collecting cavity is arranged at the bottom of the filter shell, the dirt collecting cavity is communicated with an inner cavity of the filter shell through the oil inlet, and a dirt sucking disc is arranged below the dirt collecting cavity, be provided with magnet in the soil pick-up dish, soil pick-up dish avris is provided with the pivot that passes dirty chamber casing of collection, and the pivot is connected with control motor, and dirty chamber bottom of collection is provided with the dirty dish of collection, is provided with magnet in the dirty dish of collection, is connected with the lifter below the dirty dish of collection, and the solenoid valve is connected to the lifter. The solenoid valve can control the sewage collecting disc to ascend to be close to the sewage sucking disc so as to adsorb more impurities from the sewage sucking disc.

In foretell automobile engine oil bottom case, respectively be provided with an oil nozzle on the casing lateral wall of engine crankshaft both sides, two oil nozzles set up relatively promptly, these two oil nozzles respectively with the oil inlet UNICOM of same two-way oil pump. When the automobile inclines to one side, the liquid level at one side is higher than that of the oil spray nozzle, and the oil pump sucks oil from the oil spray nozzle at the side and sprays out from the oil spray nozzle at the other side.

In the oil pan of the automobile engine, the oil suction manifold communicated with the bottom of the oil pan is arranged on the pipeline communicated between the oil spray nozzle and the bidirectional oil pump, and the one-way valve is arranged on the pipeline between the opening of the oil suction manifold and the oil spray nozzle, so that the oil can be discharged from the nozzle but can not be sucked.

In the oil pan of the automobile engine, two or more than two oil nozzles are arranged on the side wall of the shell at two sides of the engine crankshaft, the oil nozzles are uniformly distributed on the side wall along the direction of the engine crankshaft, at the same time, an oil suction opening corresponding to the oil nozzle is arranged at the bottom of the oil pan, the oil nozzle and the oil suction opening are both communicated with the same oil pump, the oil nozzle is provided with a control valve for controlling the opening and closing of the oil nozzle, so as to control the injection of the oil nozzle at the lower part of the liquid level, a cover body is arranged on the oil suction port, the edge of the cover body is hinged with the edge of the oil suction port, a hauling rope is connected on the cover body, a floating body is connected on the hauling rope, when the liquid level at the lower part is higher, the floating body rises to pull the cover body to open, therefore, oil enters, the oil suction port at the lower part of the liquid level is blocked by the cover body, and the cover body preferably has certain flexibility, so that the oil suction port can be blocked more hermetically under the action of the suction force of the pump.

In the oil pan of the automobile engine, the cover body is connected with the oil suction opening through the spring, and when the liquid level is low, the return spring enables the cover body to block the oil suction opening.

In the oil pan of the automobile engine, a displacement sensor for collecting the movement of the valve core is arranged between the lower end of the valve core of the bypass valve and the bottom of the dirt collecting cavity. So as to be used for reporting to the police, or remind the driver in time to change the filter core, avoid long-time to lose the wearing and tearing that the fuel feeding leads to relevant part.

In the oil pan of the automobile engine, the return spring of the valve core is made of shape memory alloy, and when the set critical temperature is exceeded, the spring deforms and extends to close the bypass valve.

In the oil pan of the automobile engine, the bottom of the dirt collecting cavity is conical so that impurities can enter the dirt collecting cavity more conveniently.

In the oil pan of the automobile engine, the magnet in the dirt absorbing plate is an electromagnet. The magnetic force of the electromagnet is controlled so as to control the adsorption force of the impurities on the sewage sucking disc. For example, when the dirt-suction disc is faced downward, the magnetic force of the dirt-suction disc may be lost so that the foreign substances fall down.

In the oil pan of the automobile engine, the magnet in the dirt absorbing plate is a magnet with Curie temperature of 130 ℃. When the temperature exceeds 130 ℃, the engine works, the viscosity of the engine oil is reduced, and the engine oil can smoothly pass through the filter paper. This is that dirt absorbing disc magnet loses magnetism, and motor control dirt absorbing disc upset makes impurity fall on the collection dirt dish.

In the automobile engine oil pan, the magnetic ring capable of moving up and down along the flow channel is arranged in the engine oil flow channel in the magnetic core, the brush is arranged at the edge of the magnetic ring, the magnetic ring is enabled to move in the flow channel under the condition that liquid flows or the magnet of the dirt absorbing disc overturns or the magnetic force changes, the brush can clean the liquid inlet hole in the wall of the flow channel along with the adsorbed scrap iron, and oil can enter the oil well.

Compared with the prior art, this automobile engine oil pan has following advantage:

the invention utilizes the active oil injection device controlled by the pump to ensure that the parts at the bottom of the engine can still be lubricated more uniformly according to the change of oil in the oil pan, thereby reducing the abrasion of the parts and prolonging the service life of the parts. The invention has simple structure, convenient operation and low cost. Through the dirty chamber of collection that sets up collection iron fillings impurity in oil cleaner bottom for iron gets into the dirty chamber of collection when the inoperative machine oil cooling of engine, reduces the impurity that machine oil got into the engine through the bypass valve.

Drawings

FIG. 1 is a schematic structural diagram of the first embodiment;

FIG. 2 is a schematic structural view of the second embodiment;

FIG. 3 is a schematic structural view of the third embodiment;

FIG. 4 is a schematic structural view of a return spring type cover;

FIG. 5 is a schematic structural view of the present invention;

FIG. 6 is a schematic view of the catch basin in a raised condition;

FIG. 7 is a schematic view of the shape memory alloy spring in a state where the filter paper is not tightened;

FIG. 8 is a schematic view showing a state in which the shape memory alloy spring tightens the filter paper.

In the figure, a filter shell 1, filter paper 2, a filter element assembly 3, a valve core 4, a base support 5, a return spring 6, a dirt absorbing disc 7, a displacement sensor 8, a control motor 9, a dirt collecting disc 10, a lifting rod 11, an electromagnetic valve 12, a dirt collecting cavity 13, an oil inlet 14, a magnetic ring 15, a shape memory alloy spring 16, an oil pan shell 1a, an oil nozzle 2a, an oil pump 3a, a sensor 4a, an oil absorbing manifold 5a, a pipeline 6a, a one-way valve 7a, an engine crankshaft 8a, an oil suction port 9a, a control valve 10a, a cover body 11a, a traction rope 12a, a floating body 13a and a return spring 14 a.

Detailed Description

The following are specific embodiments of the present invention, and the technical solutions of the present invention are further described with reference to the drawings, but the present invention is not limited to these embodiments.

Example one

As shown in figure 1, the automobile engine oil pan comprises an oil pan shell 1a, oil nozzles 2a facing the engine crankshaft are arranged on the side walls of the shell on two sides of the engine crankshaft, the oil nozzles are communicated with an oil outlet of an oil pump 3a, an oil suction pipe of the oil pump is communicated with the bottom of the oil pan, and pressure sensors 4a for detecting the pressure of lubricating oil in the oil pan are distributed on the bottom in the oil pan. When the automobile inclines, the pressure at the position with less liquid is reduced, the approximate distribution condition of the liquid can be obtained through the detection of the pressure sensor, and then the corresponding oil spray nozzle is controlled to spray lubricating oil to the crankshaft and other parts above the position with less oil. The pipeline is provided with the heater, and if a resistance heating wire can be arranged in the pipeline, the lubricating oil can be heated in cold weather, and the lubricating effect is facilitated.

An oil filter for filtering oil is arranged on an oil suction pipeline of the oil pump, and comprises a filter shell 1 and a filter element assembly 3 arranged in the shell, wherein an oil inlet is formed in the top surface of the filter shell corresponding to the outer side of an upper port of the filter element assembly, and a bypass valve is arranged on a lower port of the filter element assembly, as shown in fig. 5 and 6. The filter element assembly lower port upper shield is equipped with base support 5, and base support is including extending to the downthehole bypass valve location bucket of filter element assembly, and the lower port of bypass valve location bucket extends outward along the lower port of filter element assembly and forms the support ring, and the border of support ring outwards downwardly extending forms a plurality of supporting legs again, and supporting legs elasticity butt is on the bottom surface of filter casing, and the bypass valve runs through to be fixed on the bottom surface of bypass valve location bucket. The bottom of the filter shell is provided with a dirt collecting cavity for collecting impurities, the dirt collecting cavity 13 is communicated with an inner cavity of the filter shell through an oil inlet 14, the oil inlet is a tapered opening with a large upper part and a small lower part, so that the impurities are easy to enter and difficult to exit, the magazines can enter the dirt collecting cavity, a dirt absorbing disc 7 is arranged below the oil inlet in the dirt collecting cavity, a magnet is arranged in the dirt absorbing disc, so that iron precipitates and is adsorbed on the dirt absorbing disc when engine oil which does not work cools down, a rotating shaft penetrating through the dirt collecting cavity shell is arranged on the side of the dirt absorbing disc, the rotating shaft is connected with a control motor 9, the dirt absorbing disc is controlled to turn by rotating the motor, the disc surface adsorbed with the impurities faces downwards, the impurities fall down and fall on the dirt collecting disc 10 arranged at the bottom of the dirt collecting cavity, and the magnet is arranged in the dirt collecting disc and used for adsorbing the impurities falling down on the dirt absorbing disc. The lower part of the sewage collecting disc is connected with a lifting rod 11 which is connected with an electromagnetic valve 12. The solenoid valve can control the sewage collecting disc to ascend to be close to the sewage sucking disc so as to adsorb more impurities from the sewage sucking disc.

Furthermore, a displacement sensor 8, such as a travel switch, for collecting the movement of the valve core is arranged between the lower end of the valve core 4 of the bypass valve and the bottom of the dirt collecting cavity. So as to be used for reporting to the police, or remind the driver in time to change the filter core, avoid long-time to lose the wearing and tearing that the fuel feeding leads to relevant part.

Further, the return spring 6 of the valve core is made of a two-way shape memory alloy, when the set critical temperature is exceeded, the spring deforms and extends to enable the bypass valve to be closed, and when the temperature is reduced, the spring shortens to enable the bypass valve to be opened, so that when an automobile is started, enough emulsified oil is not provided for the engine in time.

Furthermore, the bottom of the dirt collecting cavity is conical so that impurities can conveniently enter the dirt collecting cavity.

Further, the magnet in the dirt absorption disc is a magnet with Curie temperature of 130 degrees. When the temperature exceeds 130 ℃, the engine works, the viscosity of the engine oil is reduced, and the engine oil can smoothly pass through the filter paper. This is that dirt absorbing disc magnet loses magnetism, and motor control dirt absorbing disc upset makes impurity fall on the collection dirt dish.

Further, as shown in fig. 7 and 8, a shape memory alloy spring 16 is wound on the filter paper 2 of the core, one end of the spring is fixed at the end of the core, the other end of the spring is a free end, when the temperature is higher than a preset critical temperature, the spring is radially reduced, and the filter paper is tightened, so that the contact between the filter paper is tighter, and smaller impurities are filtered.

Furthermore, a magnetic ring 15 capable of moving up and down along the flow channel is arranged in the engine oil flow channel in the magnetic core, brushes are arranged on the edges of the magnetic ring, the magnetic ring can move in the flow channel under the condition that liquid flows or the magnet of the dirt absorbing disc overturns or the magnetic force changes, the brushes can well absorb scrap iron, and the brushes can clean a liquid inlet hole in the wall of the flow channel, so that oil can enter the oil inlet hole conveniently.

Example two

As shown in fig. 2, the side walls of the housing on both sides of the engine crankshaft are respectively provided with an oil injection nozzle, that is, two oil injection nozzles are arranged oppositely, and the two oil injection nozzles are respectively communicated with the oil inlet of the same two-way oil pump. When the automobile inclines to one side, the liquid level at one side is higher than that of the oil spray nozzle, and the oil pump sucks oil from the oil spray nozzle at the side and sprays out from the oil spray nozzle at the other side.

An oil suction manifold 5a communicated with the bottom of an oil pan is arranged on a pipeline communicated between the oil spray nozzle and the bidirectional oil pump, and a one-way valve 7a is arranged on a pipeline 6a between the opening of the oil suction manifold and the oil spray nozzle, so that the oil spray nozzle can discharge oil but cannot suck the oil.

EXAMPLE III

As shown in fig. 3, two or more oil nozzles are arranged on the side walls of the housing on both sides of the engine crankshaft 8a, the oil nozzles are uniformly arranged on the side walls along the engine crankshaft direction, at the same time, an oil suction port 9a corresponding to the oil nozzle is arranged at the bottom of the oil pan, the oil nozzle and the oil suction port are both communicated with the same oil pump, the oil nozzle is provided with a control valve 10a for controlling the opening and closing of the oil nozzle, so as to control the injection of the oil nozzle at the lower part of the liquid level, a cover body 11a is arranged on the oil suction port, the edge of the cover body is hinged with the edge of the oil suction port, a hauling rope 12a is connected on the cover body, a floating body 13a is connected on the hauling rope, when the liquid level at the position is higher, the floating body rises to pull the cover body to open, therefore, oil enters, the oil suction port at the lower part of the liquid level is blocked by the cover body, and the cover body preferably has certain flexibility, so that the oil suction port can be blocked more hermetically under the action of the suction force of the pump. As shown in fig. 4, the cover and the suction opening may be connected by a return spring 14a, which closes the suction opening when the liquid level is low.

Example four

Different from the first embodiment, the magnet in the dirt absorbing disc is an electromagnet. The magnetic force of the electromagnet is controlled so as to control the adsorption force of the impurities on the sewage sucking disc. For example, when the dirt-suction disc is faced downward, the magnetic force of the dirt-suction disc may be lost so that the foreign substances fall down.

Although some terms are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to the spirit of the present invention.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Claims

1. An oil pan of an automobile engine comprises a shell and is characterized in that oil nozzles facing the engine crankshaft are arranged on the side wall of the shell on two sides of the engine crankshaft, the oil nozzles are communicated with an oil outlet of an oil pump through a pipeline, the pipeline is communicated with the bottom of the oil pan, a pressure sensor for detecting the pressure of lubricating oil in the oil pan is distributed at the bottom in the oil pan, a heater is arranged on the pipeline, an oil filter for filtering the oil is arranged on the pipeline, the oil filter comprises a filter shell and a filter element assembly arranged in the shell, an oil inlet is arranged on the top surface of the filter shell corresponding to the outer side of an upper port of the filter element assembly, a bypass valve is arranged on a lower port of the filter element assembly, a base support is covered on the lower port of the filter element assembly and comprises a bypass valve positioning barrel extending into a middle hole of the filter element assembly, and the lower port of the bypass valve positioning barrel extends outwards along the lower port of the filter element assembly to form a support ring, the edge of the support ring extends outwards and downwards to form a plurality of support legs, the support legs are elastically abutted against the bottom surface of the filter shell, the bypass valve is fixedly penetrated on the bottom surface of the bypass valve positioning barrel, a sewage collection cavity is formed in the bottom of the filter shell and is communicated with the inner cavity of the filter shell through an oil inlet, a sewage suction disc is arranged below the oil inlet in the sewage collection cavity, a magnet is arranged in the sewage suction disc, a rotating shaft penetrating through the sewage collection cavity shell is arranged at the side of the sewage suction disc, the rotating shaft is connected with a control motor, a sewage collection disc is arranged at the bottom of the sewage collection cavity, the magnet is arranged in the sewage collection disc, a lifting rod is connected below the sewage collection disc, and the lifting rod is connected with an electromagnetic valve; a displacement sensor for collecting the movement of the valve core is arranged between the lower end of the valve core of the bypass valve and the bottom of the sewage collecting cavity; the return spring of the valve core is made of shape memory alloy, and when the set critical temperature is exceeded, the spring deforms to close the bypass valve.

2. The vehicle engine oil pan of claim 1, wherein the side walls of the housing on either side of the engine crankshaft are each provided with an oil jet which is in communication with an oil inlet of the same bi-directional oil pump.

3. The automobile engine oil pan according to claim 2, characterized in that a pipeline communicating between the oil jet and the bidirectional oil pump is provided with an oil suction manifold communicating with the bottom of the oil pan, and a pipeline between the opening of the oil suction manifold and the oil jet is provided with a one-way valve, so that the nozzle can discharge oil but cannot suck oil.

4. The automobile engine oil pan according to claim 1, characterized in that two or more than two oil nozzles are arranged on the side wall of the housing on both sides of the engine crankshaft, the oil nozzles are uniformly arranged on the side wall along the engine crankshaft direction, oil suction ports corresponding to the oil nozzles are arranged at the bottom of the oil pan, the oil nozzles and the oil suction ports are communicated with the same oil pump, the oil nozzles are provided with control valves for controlling the opening and closing of the oil nozzles, a cover body is arranged on the oil suction ports, the edge of the cover body is hinged with the edge of the oil suction ports, a hauling rope is connected to the cover body, and a floating body is connected to the hauling rope.

5. The automobile engine oil pan according to claim 4, characterized in that the cover and the oil suction port are connected by a spring.

6. The automotive engine oil pan of claim 1, characterized in that the sump cavity floor is conical.

7. The automobile engine oil pan of claim 1, wherein the magnet in the dirt suction disc is an electromagnet, and the magnet in the dirt suction disc is a magnet with a Curie temperature of 130 degrees.