阅读说明：本技术 车辆的燃油转换阀以及车辆 (Fuel conversion valve of vehicle and vehicle ) 是由 常鑫鹏 郭俊婷 邴宏图 贺明贤 于 2021-08-25 设计创作，主要内容包括：本发明公开了一种车辆的燃油转换阀以及车辆,车辆的燃油转换阀包括：阀壳,阀壳设置有主油口、副油口和供油口；驱动组件；转换组件,转换组件包括：第一传动轴和转换球,第一传动轴与驱动组件传动连接,转换球设置于第一传动轴,转换球设置有转换油道,主油口和副油口通过转换油道选择性地与供油口相连通,转换油道的直径为d,d满足关系式：d≥10mm。油液内部存在的杂质都可以从油孔通过,避免杂质卡滞在油孔处,进而使油液无法正常通过转换油道。高标号的油液和低标号的油液均通入到阀壳中,可以减少燃油转换阀的数量,使燃油转换阀的装配更加便捷。另外,通过驱动组件的驱动,不需要驾驶员下车手动操作进行油液切换,提升油液切换的便捷性。(The invention discloses a fuel change-over valve of a vehicle and the vehicle, the fuel change-over valve of the vehicle includes: the oil supply valve comprises a valve shell, a valve body and a valve core, wherein the valve shell is provided with a main oil port, an auxiliary oil port and an oil supply port; a drive assembly; a conversion assembly, the conversion assembly comprising: first transmission shaft and conversion ball, first transmission shaft is connected with the drive assembly transmission, and the conversion ball sets up in first transmission shaft, and the conversion ball is provided with the conversion oil duct, and main oil mouth and vice hydraulic fluid port are linked together through the conversion oil duct selectively with supplying the oil mouth, and the diameter of conversion oil duct is d, and d satisfies the relational expression: d is more than or equal to 10 mm. The inside impurity that exists of fluid can all follow the oilhole and pass through, avoids the impurity card to stagnate in oilhole department, and then makes fluid normally pass through the conversion oil duct. The fluid of high grade and the fluid of low grade all let in the valve casing in, can reduce the quantity of fuel change-over valve, make the assembly of fuel change-over valve more convenient. In addition, through drive assembly's drive, do not need the driver to get off manual operation and carry out fluid and switch, promote the convenience that fluid switched.)

1. A fuel switch valve for a vehicle, comprising:

the oil supply valve comprises a valve shell, a valve body and a valve core, wherein the valve shell is provided with a main oil port, an auxiliary oil port and an oil supply port;

a drive assembly disposed outside the valve housing;

a conversion assembly disposed within the valve housing, the conversion assembly comprising: first transmission shaft and conversion ball, first transmission shaft with the drive assembly transmission is connected, the conversion ball set up in first transmission shaft, the conversion ball is provided with the conversion oil duct, the main oil port with vice oil port passes through the conversion oil duct selectively with supply the oil port and be linked together, the diameter of conversion oil duct is d, and d satisfies the relational expression: d is more than or equal to 10 mm.

2. The fuel switch valve for a vehicle according to claim 1, wherein a main oil gallery communicating with the main oil port is provided in the valve housing, the main oil gallery being provided at a top of the switch ball, the fuel switch valve further comprising: and the auxiliary oil conducting piece is communicated with the auxiliary oil port and is arranged at the bottom of the conversion ball.

3. The fuel switch valve for a vehicle according to claim 2, further comprising: the annular supporting pad, the supporting pad set up in the top and the bottom of conversion ball, the supporting pad be provided with conversion ball matched with arc cooperation portion.

4. The fuel conversion valve for a vehicle according to claim 3, wherein an outer ring of the support pad is provided with a seal ring, and the seal ring is attached to the valve housing.

5. The fuel switch valve for a vehicle according to claim 1, wherein the main oil ports are two and include: main oil inlet and main oil return mouth, vice hydraulic fluid port is two and includes: vice oil inlet and vice oil return opening, the oil feed opening is two and includes: the oil supply device comprises an oil supply outlet and an oil supply inlet, wherein two conversion balls are arranged, one conversion ball is arranged between the main oil inlet, the auxiliary oil inlet and the oil supply outlet, and the other conversion ball is arranged between the main oil return port, the auxiliary oil return port and the oil supply inlet.

6. The fuel shift valve for a vehicle according to claim 5, wherein the shift assembly further comprises: and the second transmission shaft is connected between the two conversion balls.

7. The fuel shift valve for a vehicle according to claim 1, wherein the drive assembly includes: the driving piece is in transmission connection with the first transmission gear, and the second transmission gear is arranged on the first transmission shaft and in transmission connection with the first transmission gear.

8. The fuel shift valve for a vehicle according to claim 7, wherein the drive assembly further comprises: the shell is fixed on the valve shell, the driving piece and the circuit board are arranged in the shell, a first conductive contact group and a second conductive contact group are arranged on the second transmission gear, and the first conductive contact group and the second conductive contact group are respectively electrically connected with the circuit board.

9. The fuel changeover valve for a vehicle according to claim 8, wherein each of said first conductive contact set and said second conductive contact set comprises two conductive contacts, and an elastic member is provided between said conductive contacts and said second transmission gear.

10. A vehicle, characterized by comprising: a fuel switch valve for a vehicle as claimed in any one of claims 1 to 9.

Technical Field

The invention relates to the technical field of vehicles, in particular to a fuel conversion valve of a vehicle and the vehicle.

Background

In the related technology, the fuel change-over valves are basically two, namely a manual ball valve change-over valve and an electric piston type change-over valve, and are vehicle parts for switching a double-grade fuel system.

However, the manual ball valve switching valve has the following disadvantages: the manual ball valve change-over valve is internally of a ball valve structure, the number of the ball valves is 1, when fuel oil is required to be changed over, a vehicle needing to run stops in a safe area, and manual oil circuit switching is carried out by rotating a handle; 2 manual ball valve change-over valves are needed for each vehicle, so that the fuel oil change-over function can be met, and the manual ball valve change-over valves are difficult to fix on the vehicle frame and assemble; and thirdly, the upper part of the rotary handle of the manual ball valve conversion valve is fastened and fixed by a common nut, so that the handle is lost due to the fact that the looseness is easily generated during long-time vehicle running, and the problem that the handle cannot be switched or the switching is not in place easily occurs. The electric piston type change-over valve has the following defects: firstly, because the piston type structure is adopted, the piston rod moves up and down to seal or open the sealing ring and the oil duct, and the oil duct is closed or opened, so that the problem that the sealing ring and the oil duct are not tightly sealed exists, the oil duct is not completely converted, and the problem of mixing high-grade fuel oil and low-grade fuel oil occurs; secondly, because the piston moves up and down, the opening gap is 1-3mm, when impurities exist in fuel oil or a pipeline, when oil reaches the position of the piston, the impurities are accumulated at the position due to the undersize of the gap, so that the piston is blocked and the switching function cannot be completed.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides the fuel change-over valve of the vehicle, which can prevent impurities from being stuck at an oil hole, so that oil can normally pass through a change-over oil duct, the number of the fuel change-over valves can be reduced, the assembly of the fuel change-over valve is more convenient, and the convenience of oil change-over can be improved.

The invention further provides a vehicle.

A fuel switch valve of a vehicle according to the present invention includes: the oil supply valve comprises a valve shell, a valve body and a valve core, wherein the valve shell is provided with a main oil port, an auxiliary oil port and an oil supply port; a drive assembly disposed outside the valve housing; a conversion assembly disposed within the valve housing, the conversion assembly comprising: first transmission shaft and conversion ball, first transmission shaft with the drive assembly transmission is connected, the conversion ball set up in first transmission shaft, the conversion ball is provided with the conversion oil duct, the main oil port with vice oil port passes through the conversion oil duct selectively with supply the oil port and be linked together, the diameter of conversion oil duct is d, and d satisfies the relational expression: d is more than or equal to 10 mm.

According to the fuel oil conversion valve of the vehicle, the diameter of the conversion oil passage is not less than 10mm, impurities in oil can pass through the oil hole, and the impurities are prevented from being blocked at the oil hole, so that the impurities at the oil hole are accumulated, and the oil cannot normally pass through the conversion oil passage. And the fluid of high-grade and the fluid of low-grade all lets in the valve casing to discharge through valve casing selectivity, can reduce the quantity of fuel change-over valve, make the assembly of fuel change-over valve more convenient. In addition, through drive assembly's drive, can be in the driver's cabin change over switch, just need not stop the vehicle at safe region when switching fluid, then the driver manual operation twist grip that gets off the car carries out fluid switching to promote the convenience that fluid switched.

In some examples of the present invention, a main oil gallery communicating with the main oil port is provided in the valve housing, the main oil gallery being provided at a top of the switching ball, the fuel switching valve further including: and the auxiliary oil conducting piece is communicated with the auxiliary oil port and is arranged at the bottom of the conversion ball.

In some examples of the present invention, the fuel switching valve further comprises: the annular supporting pad, the supporting pad set up in the top and the bottom of conversion ball, the supporting pad be provided with conversion ball matched with arc cooperation portion.

In some examples of the invention, the outer ring of the support pad is provided with a sealing ring, and the sealing ring is attached to the valve housing.

In some examples of the invention, the main oil ports are two and include: main oil inlet and main oil return mouth, vice hydraulic fluid port is two and includes: vice oil inlet and vice oil return opening, the oil feed opening is two and includes: the oil supply device comprises an oil supply outlet and an oil supply inlet, wherein two conversion balls are arranged, one conversion ball is arranged between the main oil inlet, the auxiliary oil inlet and the oil supply outlet, and the other conversion ball is arranged between the main oil return port, the auxiliary oil return port and the oil supply inlet.

In some examples of the invention, the conversion component further comprises: and the second transmission shaft is connected between the two conversion balls.

In some examples of the invention, the drive assembly comprises: the driving piece is in transmission connection with the first transmission gear, and the second transmission gear is arranged on the first transmission shaft and in transmission connection with the first transmission gear.

In some examples of the invention, the drive assembly further comprises: the shell is fixed on the valve shell, the driving piece and the circuit board are arranged in the shell, a first conductive contact group and a second conductive contact group are arranged on the second transmission gear, and the first conductive contact group and the second conductive contact group are respectively electrically connected with the circuit board.

In some examples of the present invention, the first conductive contact group and the second conductive contact group each include two conductive contacts, and an elastic member is disposed between the conductive contacts and the second transmission gear.

The vehicle according to the present invention includes: the fuel switch valve for a vehicle described above.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural view of a fuel switch valve according to an embodiment of the present invention;

fig. 2 is an exploded view of a fuel switch valve according to an embodiment of the present invention;

FIG. 3 is a schematic view of the valve housing at a first angle;

FIG. 4 is a second angle schematic view of the valve housing;

FIG. 5 is a schematic structural view of the housing;

FIG. 6 is a schematic view of the connection of the transition assembly and the secondary oil gallery;

FIG. 7 is a schematic structural view of the first drive shaft;

FIG. 8 is a schematic structural view of a switching ball;

FIG. 9 is a schematic structural view of the second drive shaft;

FIG. 10 is a schematic structural view of the secondary oil lead-through;

FIG. 11 is a schematic view of a support pad construction;

FIG. 12 is a schematic view of the construction of the seal ring;

FIG. 13 is a schematic view of the connection of the drive assembly and the electronic control assembly at a first angle;

FIG. 14 is a schematic view of the connection of the drive assembly and the electronic control assembly at a first angle;

FIG. 15 is a schematic view of the second drive gear and circuit board;

FIG. 16 is a schematic structural view of a second transmission gear;

FIG. 17 is a schematic diagram of a conductive contact;

FIG. 18 is a schematic view of the construction of the tubing joint.

Reference numerals:

a fuel switch valve 1;

a valve housing 10; a main oil port 11; a main oil inlet 110; a main oil return port 111; an auxiliary oil port 12; a secondary oil inlet 120; a secondary oil return port 121; an oil supply port 13; an oil supply outlet 130; an oil supply inlet 131; the main oil gallery 14; a mounting groove 15; a fixing bolt 16; a closing plate 17; a closing plate bolt 18; a threaded female joint 19;

a drive assembly 20; a driver 21; a drive motor 210; a mounting frame 211; a motor shaft 212; a third transmission gear 213; a restraint post 214; a first transmission gear 22; a second transmission gear 23; a first set of conductive contacts 230; the second conductive contact group 231; a conductive contact 232; an elastic member 233; a sliding square hole 234; a boss contact 235; a limit buckle 236; reinforcing ribs 237; a retaining groove 238; a shaft hole 239; a housing 24; a harness interface 240; a mounting base 241; threaded mounting holes 242; a circuit board 25;

a conversion assembly 30; a first transmission shaft 31; a sealing groove 310; a switching ball 32; a notch 320; oil holes 321; the switching oil passage 33; a second drive shaft 34; a secondary oil conducting member 40; a through hole 41; a support pad 50; a fitting portion 51; a seal ring 52; a seal 60; an electronic control assembly 70; a harness joint 71; a joint bolt 710; a controller 72; an oil pipe joint 80; a threaded male fitting 81; a light pipe 82; and a boss 83.

Detailed Description

Embodiments of the present invention will be described in detail below, the embodiments described with reference to the drawings being illustrative, and the embodiments of the present invention will be described in detail below.

A fuel switch valve 1 of a vehicle according to an embodiment of the present invention will be described with reference to fig. 1 to 18.

As shown in fig. 1, 2 and 18, a fuel switch valve 1 of a vehicle according to an embodiment of the present invention includes: a valve housing 10, a drive assembly 20, and a conversion assembly 30. The valve casing 10 can be for casting the aluminium material, and the valve casing 10 can constitute the passageway of the fluid of fuel change-over valve 1, and fluid can be provided with screw thread box 19 on the valve casing 10 through the valve casing 10 in leading to the part that needs fluid, screw thread box 19 be used for being connected with outside oil pipe joint 80, and one side of oil pipe joint 80 is screw thread male joint 81, with screw thread box 19 swivelling joint, and screw thread box 19 all adopts built-in screw thread design moreover, and the screw thread male joint 81 of being convenient for like this and screw thread box 19 installation. Thread glue is paintd in the middle part of screw thread male joint 81, and the opposite side of screw thread male joint 81 is light pipe 82, and the middle part is provided with boss 83, mainly blocks with the quick connector of oil pipe and establishes the connection to make valve casing 10 and oil pipe intercommunication, fluid can let in valve casing 10 through oil pipe joint 80, also can discharge oil pipe through oil pipe joint 80. The driving assembly 20 mainly drives the switching assembly 30 to move the switching assembly 30, and the switching assembly 30 can communicate with different oil liquids to switch the oil discharged to each component.

As shown in fig. 3 and 4, the valve housing 10 is provided with a main port 11, an auxiliary port 12, and an oil supply port 13, and the main port 11, the auxiliary port 12, and the oil supply port 13 are all provided in the threaded female joint 19. The main oil port 11 can be used for introducing high-grade oil, the auxiliary oil port 12 can be used for introducing low-grade oil, and the oil supply port 13 can introduce the high-grade oil or the low-grade oil into a part needing the oil. So, can all let in the valve casing 10 with the fluid of high-grade oil and the fluid of low-grade to selectively discharge through valve casing 10, thereby can reduce the quantity of fuel change-over valve 1, it is more convenient to make the assembly.

As shown in fig. 2, the driving assembly 20 is disposed outside the valve housing 10, so that the driving assembly 20 does not occupy the space inside the valve housing 10, and the switching assembly 30 is engaged with the switching assembly 30 at the outside of the valve housing 10, and the switching assembly 30 is disposed inside the valve housing 10, so that the switching assembly 30 can be switched inside the valve housing 10, selectively allow high-grade oil and low-grade oil to enter the switching assembly 30, and then select a proper oil to be discharged from the fuel switching valve 1. And the valve housing 10 further includes: shrouding 17, shrouding 17 can be stainless steel for it is sealed fixed after the valve casing 10 is installed to conversion subassembly 30, prevents that fluid from leaking from valve casing 10, and shrouding 17 can seal fixedly through shrouding bolt 18.

As shown in fig. 6 to 8, the conversion assembly 30 includes: the first transmission shaft 31 is in transmission connection with the driving assembly 20, so that the driving assembly 20 can drive the first transmission shaft 31 to rotate, and the switching ball 32 is arranged on the first transmission shaft 31, so that the switching ball 32 can rotate along with the first transmission shaft 31, two oil holes 321 are formed in the switching ball 32, and the axes of the two oil holes 321 are preferably vertically arranged, that is, the two oil holes 321 are arranged on the switching ball 32 at 90 degrees. A switching oil passage 33 is formed between the two oil holes 321, the main oil hole 11 and the auxiliary oil hole 12 are selectively communicated with the oil supply port 13 through the switching oil passage 33, for example, when the auxiliary oil hole 12 supplies oil first, one of the two oil holes 321 is communicated with the auxiliary oil hole 12, and the other is communicated with the oil supply port 13, when the main oil hole 11 supplies oil, the switching ball 32 is rotated by a certain angle, preferably 90 °, by being driven by the driving assembly 20, so that the oil hole 321 communicated with the auxiliary oil hole 12 is rotated to the oil supply port 13 to be communicated with the oil supply port 13, and the oil hole 321 communicated with the oil supply port 13 is rotated to the main oil hole 11 to be communicated with the main oil hole 11, thereby completing switching between the main oil hole 11 and the auxiliary oil hole 12, and realizing that the main oil hole 11 and the auxiliary oil hole 12 are selectively communicated with the oil supply port 13 through the switching oil passage 33. And through drive assembly 20's drive, can be in the driver's cabin change over switch, just need not stop the vehicle at safe region when switching fluid, then the driver manual operation twist grip that gets off the car carries out fluid switching to promote the convenience that fluid switched.

As shown in fig. 6 to 8, the first transmission shaft 31 and the transfer ball 32 may be made of stainless steel, the surface roughness of the transfer ball 32 is less than 0.6, so that the transfer ball 32 can rotate conveniently, friction force when the transfer ball 32 rotates is reduced, the two oil holes 321 are disposed in the middle of the transfer ball 32, so that the two oil holes 321 are communicated with the main oil port 11, the auxiliary oil port 12 and the oil supply port 13, the transfer ball 32 is further provided with two notches 320, and one end of the first transmission shaft 31 may be tightly fitted in one of the notches 320, so that the first transmission shaft 31 can drive the transfer ball 32 to rotate together after rotating. One end of the first transmission shaft 31 is a rectangular column, the rectangular column is tightly matched with one notch 320 of the switching ball 32, one end of the first transmission shaft 31 is in transmission connection with the driving assembly 20, two sealing grooves 310 are arranged in the middle of the first transmission shaft 31, a sealing ring 52 can be arranged in each sealing groove 310, and the sealing ring 52 can play a certain sealing effect, so that when the first transmission shaft 31 rotates, oil can be prevented from leaking out of the valve shell 10 through the first transmission shaft 31, and the use reliability of the fuel switching valve 1 is influenced.

As shown in fig. 6 and 8, the diameter of the switching oil passage 33 is d, that is, the bore diameters of the two oil holes 321 are d, and d satisfies the relation: d is larger than or equal to 10mm, and it can be understood that when the aperture of the oil hole 321 is not smaller than 10mm, impurities existing inside the oil can pass through the oil hole 321 at present, and the oil is prevented from being blocked at the oil hole 321, so that the impurities at the oil hole 321 are accumulated, and the oil cannot normally pass through the switching oil passage 33. Certainly, the aperture of the oil hole 321 does not need to exceed 15mm, so that the volume of the conversion ball 32 can be reduced while the oil can normally pass through, and the occupied space of the conversion ball 32 can be reduced.

From this, change over oil duct 33's diameter is not less than 10mm, and the impurity that exists inside the fluid can all pass through from oilhole 321, avoids the impurity card to stagnate in oilhole 321 department to lead to the impurity of oilhole 321 department to pile up, and then make fluid normally pass through change over oil duct 33. And high-grade fluid and low-grade fluid all let in valve casing 10 to selectively discharge through valve casing 10, can reduce the quantity of fuel change-over valve 1, make the assembly of fuel change-over valve 1 more convenient. In addition, through the drive of drive assembly 20, can be in the driver's cabin change-over switch, just need not stop the vehicle at safe region when switching fluid, then the driver manual operation twist grip that gets off the car carries out fluid switching to promote the convenience that fluid switched.

As shown in fig. 3 and 6, a main oil gallery 14 communicating with the main oil port 11 is provided in the valve housing 10, the main oil gallery 14 is provided at the top of the switching ball 32, and the fuel switching valve 1 further includes: and an auxiliary oil lead-through 40 communicated with the auxiliary oil port 12, wherein the auxiliary oil lead-through 40 is arranged at the bottom of the conversion ball 32. The main oil gallery 14 communicated with the main oil port 11 is provided in the valve housing 10, so that high-grade oil may enter the main oil gallery 14 through the main oil port 11, and the main oil gallery 14 is provided at the top of the switching ball 32, so that the high-grade oil may enter the switching ball 32 through the top of the switching ball 32, and may be discharged to the oil supply port 13 from the switching ball 32.

As shown in fig. 10, the auxiliary oil conduction member 40 may be made of aluminum alloy, the middle portion is hollow, a plurality of through holes 41 are arranged on the peripheral side, one end is hollow, and a plurality of through holes 41, forming an oil passage, and the other end is provided with a sealing groove 310, a sealing ring 52 can be arranged in the sealing groove 310, the sealing ring 52 can play a certain sealing effect, thus preventing oil from leaking from the valve housing 10 through the auxiliary oil guide 40, thereby affecting the reliability of the use of the fuel conversion valve 1, the plurality of through holes 41 of the sub oil introduction member 40 communicate with the sub port 12, thus, the low-grade oil can enter the auxiliary oil conducting piece 40 through the auxiliary oil port 12 and the plurality of through holes 41, one end of the auxiliary oil conducting piece 40 arranged in a hollow manner is arranged at the bottom of the conversion ball 32, the low-grade oil can enter the conversion ball 32 through the hollow part, so that the oil can be discharged to the oil supply port 13 from the conversion ball 32.

Further, as shown in fig. 6 and 11, the fuel switch valve 1 further includes: annular supporting pad 50, supporting pad 50 set up in the top and the bottom of conversion ball 32, and supporting pad 50 is provided with and changes ball 32 matched with arc cooperation portion 51. Set up supporting pad 50 to the annular, and set up in the top and the bottom of conversion ball 32, conversion ball 32 like this when rotating, can relative supporting pad 50 rotate, and supporting pad 50 be provided with conversion ball 32 matched with arc cooperation portion 51, that is to say, cooperation portion 51 and conversion ball 32's appearance structure looks adaptation, can guarantee like this that conversion ball 32 sets up in supporting pad 50 more steadily, also laminate more with supporting pad 50 when rotating moreover, thereby make things convenient for the rotation of conversion ball 32. In addition, the supporting pad 50 can be made of an oil-resistant polymer material, so that the supporting pad 50 can be prevented from being corroded by oil, the service life is longer, and the oil is not stained with the oil, so that the oil cannot be wasted.

As shown in fig. 11 and 12, a seal ring 52 is provided on the outer ring of the support pad 50, and the seal ring 52 is attached to the inside of the valve housing 10. That is, the sealing groove 310 is formed on the outer circumferential side of the support pad 50, the sealing ring 52 may be formed in the sealing groove 310, and the sealing ring 52 may be attached to the valve housing 10, so that the sealing ring 52 may provide a certain sealing effect to prevent oil leakage, and the sealing ring 52 may be fixed to the valve housing 10.

Specifically, as shown in fig. 3 and 4, there are two main oil ports 11, and the main oil ports 11 include: the main oil inlet 110 and the main oil return port 111, the auxiliary oil port 12 is two, and the auxiliary oil port 12 includes: the auxiliary oil inlet 120 and the auxiliary oil return opening 121, the oil supply opening 13 is two, and the oil supply opening 13 includes: two oil supply outlets 130 and two oil supply inlets 131, and two switching balls 32, one switching ball 32 is disposed between the main oil inlet 110, the auxiliary oil inlet 120 and the oil supply outlet 130, and the other switching ball 32 is disposed between the main oil return opening 111, the auxiliary oil return opening 121 and the oil supply inlet 131.

That is to say, when the main oil port 11 is required to supply oil, high-grade oil firstly enters the fuel conversion valve 1 through the main oil inlet 110, one of the conversion balls 32 selectively communicates the main oil inlet 110 and the oil supply outlet 130, the high-grade oil is introduced into the component requiring oil through the oil supply outlet 130, of course, when the high-grade oil in each component is not completely burnt, the remaining high-grade oil returns to the fuel conversion valve 1 through the oil supply inlet 131, then the main oil return port 111 and the oil supply inlet 131 are selectively communicated through the other conversion ball 32, and the remaining high-grade oil finally returns to the oil tank of the high-grade oil through the main oil return port 111. When the oil supply of the auxiliary oil port 12 is needed, the low-grade oil enters the fuel oil conversion valve 1 through the auxiliary oil inlet 120, one of the conversion balls 32 is selectively communicated with the auxiliary oil inlet 120 and the oil supply outlet 130, the low-grade oil is introduced into the part needing the oil through the oil supply outlet 130, of course, when the low-grade oil in each part is not completely burnt, the remaining low-grade oil returns to the fuel oil conversion valve 1 through the oil supply inlet 131, then the other conversion ball 32 is selectively communicated with the auxiliary oil return port 121 and the oil supply inlet 131, and the remaining low-grade oil finally returns to the oil tank of the low-grade oil through the auxiliary oil return port 121. And main oil inlet 110, main oil return opening 111, vice oil inlet 120 and vice oil return opening 121 set up in one side of valve casing 10, and fuel feeding outlet 130 and fuel feeding inlet 131 set up in the opposite side of valve casing 10, so set up, the setting of valve casing 10 not only is convenient for, and the rotation and the intercommunication of the conversion ball 32 of also being convenient for to conversion ball 32 can carry out normal intercommunication as required.

In addition, as shown in fig. 6 and 9, the conversion assembly 30 further includes: a second transmission shaft 34, the second transmission shaft 34 being connected between the two switching balls 32. The second transmission shaft 34 can be stainless steel, both ends of the second transmission shaft 34 are rectangular columns, the rectangular columns can be respectively and tightly fitted in the notches 320 of the two conversion balls 32, so that the two conversion balls 32 can synchronously rotate, the main oil inlet 110 and the main oil return opening 111 of the main oil port 11, and the auxiliary oil inlet 120 and the auxiliary oil return opening 121 of the auxiliary oil port 12 can be switched simultaneously, and confusion caused by oil inlet and oil return of oil can be avoided. In addition, the middle part of the second transmission shaft 34 is provided with a sealing groove 310, a sealing ring 52 can be arranged in the sealing groove 310, and the sealing ring 52 can play a certain sealing effect, so that when the second transmission shaft 34 rotates, oil can be prevented from leaking from the valve housing 10 through the second transmission shaft 34, and the use reliability of the fuel oil conversion valve 1 is affected.

It should be noted that, as shown in fig. 6, 7, and 9 to 12, there may be a difference in radial dimensions of the sealing grooves 310 of the first transmission shaft 31, the second transmission shaft 34, the support pad 50, and the secondary oil guide 40, and accordingly, there may be a difference in radial dimensions of the first transmission shaft 31, the second transmission shaft 34, the support pad 50, and the sealing ring 52 of the secondary oil guide 40.

Alternatively, as shown in fig. 13 and 14, the driving assembly 20 includes: the driving device comprises a driving piece 21, a first transmission gear 22 and a second transmission gear 23, wherein the driving piece 21 is in transmission connection with the first transmission gear 22, the second transmission gear 23 is arranged on the first transmission shaft 31, and the second transmission gear 23 is in transmission connection with the first transmission gear 22. The driver 21 includes: the driving device comprises a driving motor 210 and a mounting frame 211, wherein a motor shaft 212 of the driving motor 210 penetrates through the mounting frame 211, and a third transmission gear 213 is arranged on one side of the motor shaft 212 on the mounting frame 211; the first transmission gear 22, the second transmission gear 23 and the third transmission gear 213 may be coaxial gear sets, the coaxial gear sets may rotate synchronously, the coaxial gear sets are disposed on the mounting frame 211, the driving motor 210 drives the third transmission gear 213 to rotate through the motor shaft 212, the third transmission gear 213 is in transmission connection with the first transmission gear 22 to drive the first transmission gear 22 to rotate, the second transmission gear 23 is in transmission connection with the first transmission gear 22, the first transmission gear 22 may drive the second transmission gear 23 to rotate, a shaft hole 239 is disposed on one side of the second transmission gear 23 close to the converting assembly 30, and the other end of the first transmission gear 31 may be tightly fitted into the shaft hole 239, so that the first transmission gear 31 may rotate together, and the main oil port 11 and the auxiliary oil port 12 may be selectively communicated with the oil supply port 13.

Furthermore, as shown in fig. 14, a limiting post 214 is disposed on a side of the mounting bracket 211 adjacent to the converting assembly 30, a limiting groove 238 is disposed on a side of the second transmission gear 23 adjacent to the converting assembly 30, and the limiting post 214 is fitted in the limiting groove 238, so that the limiting groove 238 can limit the limiting post 214, and the limiting post 214 can only rotate in the limiting groove 238 by a certain angle, so that the first transmission shaft 31 can only rotate by a corresponding angle, and the angle is preferably 90 °, and it can be ensured that the converting oil passage 33 can communicate with the main oil port 11, the auxiliary oil port 12 and the oil supply port 13 after the converting ball 32 rotates.

As shown in fig. 13-16, the exterior of the first transmission gear 22 may be made of plastic, and the middle portion of the first transmission gear 22 is provided with a plurality of reinforcing ribs 237, so that the overall structural strength of the first transmission gear 22 can be improved, and in addition, a stainless steel shaft sleeve can be added, and the first transmission gear 22 can be directly installed and matched with the motor shaft 212, so that the first transmission gear 22 and the driving motor 210 can synchronously rotate. The outside of the second transmission gear 23 can also be made of plastic, and the middle part of the second transmission gear 23 is also provided with a plurality of reinforcing ribs 237, so that the overall structural strength of the first transmission gear 22 can be improved, the second transmission gear 23 can rotate by being matched with the first transmission gear 22, and meanwhile, the torque can be increased, so that the fuel oil change-over valve 1 can be switched in place.

According to an alternative embodiment of the present invention, as shown in fig. 5, 15 and 16, the driving assembly 20 further comprises: the casing 24 and the circuit board 25, the casing 24 is fixed on the valve casing 10, the driving member 21 and the circuit board 25 are arranged in the casing 24, the second transmission gear 23 is provided with a first conductive contact group 230 and a second conductive contact group 231, and the first conductive contact group 230 and the second conductive contact group 231 are respectively and electrically connected with the circuit board 25. Fix shell 24 on valve casing 10, shell 24 can be through fixing bolt 16 and valve casing 10 fixed mounting, and fixing bolt 16 is a plurality of, sets up the both sides in the corresponding installation department of valve casing 10 and shell 24 respectively, can play locking effect like this. And the corresponding installation place of valve casing 10 and shell 24 is provided with mounting groove 15, and fuel change-over valve 1 still includes: the sealing member 60, the sealing member 60 is disposed at the mounting groove 15, the sealing member 60 can be used for sealing between the valve housing 10 and the housing 24, and the waterproof and dustproof grade is high. In addition, the housing 24 can be made of cast aluminum, the mounting base 241 is arranged outside the housing 24, and the mounting base 241 can be fixed to a support of a vehicle through a fastener, so that the fuel oil change-over valve 1 can be integrally fixed to the support of the vehicle, and the mounting base 241 is designed in a hollow manner, so that the weight can be reduced, and the mounting strength of the mounting base 241 can be improved.

The driving member 21 and the circuit board 25 are disposed in the casing 24, and the casing 24 can protect the driving member 21 and the circuit board 25 from being damaged by touching the driving member 21 and the circuit board 25 with a foreign object. The second transmission gear 23 is provided with a first conductive contact group 230 and a second conductive contact group 231, and when the second transmission gear 23 rotates to different positions, the first conductive contact group 230 and the second conductive contact group 231 are respectively electrically connected with the circuit board 25, so that the first conductive contact group 230 and the second conductive contact group 231 can form different loops with the circuit board 25, and the position of the second transmission gear 23 can be obtained.

Specifically, as shown in fig. 16 and 17, each of the first conductive contact group 230 and the second conductive contact group 231 includes two conductive contacts 232, and an elastic member 233 is provided between the conductive contacts 232 and the second transmission gear 23. The first conductive contact group 230 and the second conductive contact group 231 each include two conductive contacts 232, and a circuit can be formed by contacting the two conductive contacts 232 with the circuit board 25, so that the position of the second transmission gear 23 can be obtained. An elastic member 233 is provided between the conductive contact 232 and the second transmission gear 23, and the elastic member 233 exerts an elastic force so that the conductive contact 232 can slide on the circuit board 25. In addition, the conductive contact 232 can be made of aluminum, a C-shaped structure is adopted, two boss contacts 235 are arranged at one end of the conductive contact 232, the two boss contacts 235 are in sliding contact with the circuit board 25, the two boss contacts 235 can be arc-shaped, the circuit board 25 cannot be damaged when the two boss contacts 235 are in sliding contact with the circuit board 25, sliding square holes 234 are formed in two sides of the conductive contact 232, the second transmission gear 23 is provided with a limiting buckle 236, and the limiting buckle 236 is clamped in the sliding square holes 234, so that the conductive contact 232 can be prevented from falling off from the second transmission gear 23.

Alternatively, as shown in fig. 13 and 14, the fuel switch valve 1 further includes: electronic control assembly 70, electronic control assembly 70 includes: the wiring harness connector 71, the controller 72 and the circuit board 25, the wiring harness connector 71 is mainly connected with a wiring harness of a vehicle, and power and signal feedback are provided for the whole fuel conversion valve 1. The circuit board 25 is connected with the wire harness connector 71, position signals are provided for the controller 72 through different loops formed by the second transmission gears 23, the other side of the circuit board 25 is connected with the driving motor 210, power can be provided for the driving motor 210, and therefore the driving motor 210 can work normally. The controller 72 mainly provides signals for the fuel conversion valve 1 and plays a role of a control system, and the controller 72 can control the forward and reverse rotation of the driving motor 210 through the rotation position of the second transmission gear 23 provided by the circuit board 25, so that the switching between different oil liquids is realized.

In addition, as shown in fig. 1 and 5, the housing 24 further includes: wire harness interface 240, wire harness joint 71 is the design of square opening, inside is provided with sealed concave structure, the highly unanimous with the height of external installation face of the inside bulge, be provided with convex structure again in the sealed installation face, set up through whole concave structure and convex structure, two bulges are one little big, it is tighter to make sealed, waterproof dustproof grade is high, and be provided with a plurality of screw thread mounting holes 242 around wire harness interface 240, can correspond in a plurality of screw thread mounting holes 242 departments and be provided with a plurality of joint bolt 710, thereby can connect 71 to the wire harness and fix.

A vehicle according to an embodiment of the present invention includes: the fuel switch valve 1 of the vehicle described in the above embodiment.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.

In the description of the present invention, "the first feature" and "the second feature" may include one or more of the features. In the description of the present invention, "a plurality" means two or more. In the description of the present invention, the first feature being "on" or "under" the second feature may include the first and second features being in direct contact, and may also include the first and second features being in contact with each other not directly but through another feature therebetween. In the description of the invention, "above", "over" and "above" a first feature in a second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is higher in level than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.

While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.