CN104879526B - A kind of valve and oil supply system - Google Patents
A kind of valve and oil supply system Download PDFInfo
- Publication number
- CN104879526B CN104879526B CN201510242020.4A CN201510242020A CN104879526B CN 104879526 B CN104879526 B CN 104879526B CN 201510242020 A CN201510242020 A CN 201510242020A CN 104879526 B CN104879526 B CN 104879526B
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- Prior art keywords
- valve
- oil
- valve body
- oil inlet
- fuel tank
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
- F16K11/04—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only lift valves
- F16K11/044—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only lift valves with movable valve members positioned between valve seats
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
- F02M37/0011—Constructional details; Manufacturing or assembly of elements of fuel systems; Materials therefor
- F02M37/0023—Valves in the fuel supply and return system
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0263—Construction of housing; Use of materials therefor of lift valves multiple way valves
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Safety Valves (AREA)
- Check Valves (AREA)
Abstract
The invention provides a kind of valve and oil supply system.Wherein, the valve includes:Valve body, wherein:Valve body is provided with the first oil inlet, the second oil inlet and oil-out, and oil-out is placed between the first oil inlet and the second oil inlet, also, the first oil inlet and the second oil inlet are connected with oil-out.It can be seen that, because the first oil inlet and the second oil inlet are connected with oil-out, and oil-out is placed between the first oil inlet and the second oil inlet, therefore no matter under which kind of operating mode, fluid successfully can enter inside valve body from the first oil inlet and/or the second oil inlet, then flowed to through the runner inside valve body at oil-out, flowed into again from oil-out in the oil supply system of vehicle, enable the abundant oil suction of oil pump of oil supply system, avoid due to oil pump can not oil suction or oil suction it is insufficient and cause the flame-out of engine, the final normal work that preferably ensure that engine and vehicle.
Description
Technical field
The present invention relates to technical field of vehicle, in particular to a kind of valve and oil supply system.
Background technology
In general, the oil inlet pipe and oil return pipe in the oil supply system of existing vehicle all directly go deep into tank bottoms, so as to
Oil-feed and oil return process are completed, but oil inlet pipe and oil return pipe have following defect using this kind of set-up mode:When the oil in fuel tank
When amount is in climbing or descending and the relatively large gradient less than a certain amount of, vehicle, the fuel oil in fuel tank can be to the side of fuel tank
Tilt, be so likely to result in fuel sucking pipe and then can not cause oil pump can not be from oil with fuel contacts or insufficient contact
Oil suction or oil suction are insufficient in case, ultimately result in engine and stop working suddenly, do not only exist more serious potential safety hazard, and
The life-span of vehicle can be influenceed.
The content of the invention
The present invention provides a kind of valve and oil supply system, it is intended to solves the oil inlet in existing oil supply system in some works
The problem of being easily separated under condition with the fluid in fuel tank, and then causing engine to stop working suddenly.
On the one hand, the invention provides a kind of valve, including:Valve body, wherein:Valve body is provided with the first oil-feed
Mouth, the second oil inlet and oil-out, oil-out are arranged between the first oil inlet and the second oil inlet, also, the first oil inlet
It is connected with the second oil inlet with oil-out.
Further, in above-mentioned valve, valve body includes:The center valve body of both ends open, also, the side of center valve body
Wall offers oil-out;First valve component, the first end of center valve body is connected to, also, the first valve component is provided with
One oil inlet;Second valve component, the second end of center valve body is connected to, also, the second valve component is provided with the second oil-feed
Mouthful.
Further, above-mentioned valve also includes:Inertia ball;Wherein, inertia ball is slidably disposed in center valve body;The
One valve component is used for when inertia ball slides to the second valve component direction, blocks the company between the first oil inlet and oil-out
It is logical;Second valve component is used for when inertia ball slides to the first valve component direction, block the second oil inlet and oil-out it
Between connection.
Further, in above-mentioned valve, the first valve component includes:First end cap, the first valve body and the first core assembly,
First valve body is the hollow shell of both ends open, and the first oil inlet is opened in the first end cap;Wherein, the first end of the first valve body with
The first end of center valve body is connected, and the second end of the first valve body is provided with the first end cap, and the first core assembly is used in inertia
Ball to the direction of the second valve component slide when, block the connection between the first oil inlet and oil-out;And/or second valve body
Component includes:Second end cap, the second valve body and the second core assembly, the second valve body are the hollow shell of both ends open, and second enters
Hydraulic fluid port is opened in the second end cap, wherein, the first end of the second valve body is connected with the second end of center valve body, and the of the second valve body
Two ends are provided with the second end cap;Second core assembly is used for when inertia ball slides to the first valve component direction, blocks second
Connection between oil inlet and oil-out.
Further, in above-mentioned valve, the first core assembly includes:First valve element, the first return spring, the second return bullet
Spring and the first valve seat, the first oil-through hole is offered on the first valve element, first through hole is offered on the first valve seat;Wherein, the first valve
Core is slidably disposed in the first valve body, and the first valve seat is fixedly installed in the first valve body and/or center valve body and is placed in the
Between one valve element and inertia ball;The first end of first valve element is connected by the first return spring with inertia ball, the first valve element
Second end is connected by the second return spring with the first end cap;The first end of first valve element, which is provided with, to be used for and first through hole phase
The first closure part coordinated;And/or second core assembly include:Second valve element, the 3rd return spring, the 4th return spring and
Second valve seat, the second oil-through hole is offered on the second valve element, the second through hole is offered on the second valve seat;Wherein:Second valve element can
It is slidingly arranged in the second valve body, the second valve seat is fixedly installed in the second valve body and/or center valve body and is placed in the second valve
Between core and inertia ball;The first end of second valve element is connected by the 3rd return spring with inertia ball, and the second of the second valve element
End is connected by the 4th return spring with the second end cap;The first end of second valve element is provided with for being engaged with the second through hole
The second closure part.
Further, in above-mentioned valve, first through hole is bellmouth, and the outer wall of the first closure part is to be engaged with bellmouth
Taper surface;And/or second through hole be bellmouth, the outer wall of the second closure part is the taper surface that bellmouth is engaged.
Further, in above-mentioned valve, circumference of first oil-through hole along the first valve element is uniformly distributed;And/or second is excessively oily
Circumference of the hole along the second valve element is uniformly distributed.
Further, in above-mentioned valve, the quantity of oil-out is two, and two oil-outs are set along the axial direction of center valve body
Put, also, two oil-outs are respectively close to the both ends of center valve body;Inertia ball offers the 3rd oil-through hole.
The invention provides a kind of valve, the valve includes:Valve body, wherein:Valve body is provided with the first oil-feed
Mouth, the second oil inlet and oil-out, oil-out are arranged between the first oil inlet and the second oil inlet, also, the first oil inlet
It is connected with the second oil inlet with oil-out.As can be seen that due to the first oil inlet and the second oil inlet with oil-out phase
Connection, and oil-out is arranged between the first oil inlet and the second oil inlet, therefore no matter under which kind of operating mode, fluid can be suitable
Sharply enter from the first oil inlet and/or the second oil inlet inside valve body, then flowed to through the runner inside valve body
At oil-out, then from oil-out flow into vehicle oil supply system in, enable the abundant oil suction of oil pump of oil supply system, avoid due to
Oil pump can not oil suction or oil suction it is insufficient and cause the flame-out of engine, finally preferably ensure that engine and vehicle just
Often work.
On the other hand, present invention also offers a kind of oil supply system, the oil supply system to include:Power set, in-line,
Return line and fuel tank, power set, in-line, return line and fuel tank form closed circuit, in addition to above-mentioned valve;Its
In:Valve is arranged in fuel tank, also, the oil inlet of valve is connected with fuel tank, and the oil-out of valve is connected with in-line
It is logical.
Further, above-mentioned oil supply system also includes:Bypass line and the by-passing valve being arranged on bypass line;Wherein,
The first end of bypass line is connected with fuel tank, and the second end of bypass line is connected with in-line.
Further, above-mentioned oil supply system also includes:First fuel sucking pipe and the second fuel sucking pipe, wherein:First fuel sucking pipe
First end is connected with the first oil inlet, and the second end of the first fuel sucking pipe is placed in tank bottoms;The first end of second fuel sucking pipe with
Second oil inlet is connected, and the second end of the second fuel sucking pipe is placed in tank bottoms.
Because valve has above-mentioned technique effect, therefore the oil supply system with the valve is also with corresponding technique effect.
Brief description of the drawings
Fig. 1 is the structural representation of valve provided in an embodiment of the present invention;
Fig. 2 is operating diagram of the valve provided in an embodiment of the present invention when vehicle is in level road traveling;
Fig. 3 is operating diagram of the valve provided in an embodiment of the present invention when vehicle is in upward slope state;
Fig. 4 is operating diagram of the valve provided in an embodiment of the present invention when vehicle is in descending state;
Fig. 5 is operating diagram of the valve provided in an embodiment of the present invention when vehicle is in anxious acceleration mode;
Fig. 6 is operating diagram of the valve provided in an embodiment of the present invention when vehicle is in anxious deceleration regime;
Fig. 7 is the structural representation of oil supply system provided in an embodiment of the present invention.
Embodiment
With reference to Figure of description, the embodiment of valve provided in an embodiment of the present invention and oil supply system is entered
Row explanation.
Valve embodiments:
Referring to Fig. 1, a kind of preferred structure of valve provided in an embodiment of the present invention is shown in figure.As shown in figure 1, this reality
Applying example includes:Valve body 100, wherein:Valve body 100 is provided with the first oil inlet 32, the second oil inlet 42 and oil-out
11, oil-out 11 is placed between the first oil inlet 32 and the second oil inlet 42, also, the first oil inlet 32 and the second oil inlet 42
It is connected with oil-out 11.When it is implemented, the first oil inlet 32 can be arranged at the first end of valve body 100 (in Fig. 1
Shown left end), the second oil inlet 42 can be arranged at the second end (right-hand member shown in Fig. 1) of valve body 100, oil-out
11 can be arranged at the side wall of valve body body 100, and the quantity of the first oil inlet 32 and the second oil inlet 42 can be one, two
Individual or multiple, particular number can determine according to actual conditions, and the present embodiment does not do any restriction to this.
As can be seen that in the present embodiment, because the first oil inlet 32 and the second oil inlet 42 are connected with oil-out 11,
And oil-out 11 is placed between the first oil inlet 32 and the second oil inlet 42, under this kind of arrangement, no matter in which kind of operating mode
Under, such as valve tilts to the left or to the right, fluid successfully can enter from the first oil inlet 32 and/or the second oil inlet 42
In valve body 100, then flowed to through the runner inside valve body 100 at oil-out 11, then vehicle is flowed into from oil-out 11
Oil supply system in, enable the abundant oil suction of oil pump of oil supply system, avoid due to oil pump can not oil suction or oil suction it is insufficient
And cause the abnormal misfire of engine, so as to preferably ensure that the normal work of engine and vehicle.
In the present embodiment, valve body 100 can include:Center valve body 1, the first valve component and the second valve component.
Wherein, center valve body 1 can be the hollow housing of both ends open, and the side wall of center valve body 1 offers oil-out 11.Center valve body
1 first end (left end shown in Fig. 1) is connected with the first valve component, and the second end of center valve body 1 is (shown in Fig. 1
Right-hand member) it is connected with the second valve component.Between first valve component and center valve body 1, and the second valve component and centre
Can be threaded connection between valve body 1, or other connected modes well-known to those skilled in the art, the present embodiment pair
This does not do any restriction.The junction of first valve component and center valve body 1 can install sealing gasket 31, to strengthen sealing
Energy.Similarly, the junction of the second valve component and center valve body 1 can also install sealing gasket 41, be sealed also for enhancing
Performance.The both ends of center valve body 1 can be respectively arranged with shoulder, and the shoulder of the first end of center valve body 1 can be to the He of sealing gasket 31
First valve component is positioned, and similarly, the shoulder at the end of center valve body 1 second can be to the valve component of sealing gasket 41 and second
Positioned.
As can be seen that when valve body 100 is using said structure, the structure of valve is relatively simple, and mounts and dismounts
Process is also more convenient, with more convenient the inside of valve body 100 can be cleared up, advantageously ensure that valve is located always
In preferable working condition.
Further, the present embodiment can also include:Inertia ball 2;Wherein, inertia ball 2 is slidably disposed in intermediate valve
In body 1, specifically, inertia ball 2 can be arranged in center valve body 1 by way of spring connection.First valve component is used for
When inertia ball 2 slides to the direction of the second valve component, the connection between the first oil inlet 32 and oil-out 11 is blocked;Second
Valve component is used for when inertia ball 2 slides to the direction of the first valve component, block the second oil inlet 42 and oil-out 11 it
Between connection.
As shown in Fig. 2 when specifically installing, the valve can be installed in the fuel tank 8 of the oil supply system of vehicle.When fuel tank 8
When tilting to the right (for position shown in Fig. 2), inertia ball 2 can be under gravity to the second valve component
Direction is slided, and now, the first valve component can control and disconnected state is between the first oil inlet 32 and oil-out 11, the
Two valve components can control the state for still keeping connecting between the second oil inlet 42 and oil-out 11.Due to the fluid in fuel tank 8
The main lower right for being gathered in fuel tank 8, so when, the second oil inlet 42 can the abundant oil suction from fuel tank 8, and the first oil inlet
32 will not contact with fluid, and inertia ball 2 has blocked the connection between the first oil inlet 32 and oil-out 11, so when air can not
Entered from the first oil inlet 32 in in-line 6, ensure that being smoothed out for oil-absorbing process.Similarly, when fuel tank 8 to the left lower section
When tilting (for position shown in Fig. 2), inertia ball 2 can be slided to the direction of the first valve component under gravity
It is dynamic, at this moment in not connected state between the second oil inlet 42 and oil-out 11, and between the first oil inlet 32 and oil-out 11
Connected state is still kept, because the fluid in now fuel tank 8 is mainly gathered in the lower left of fuel tank 8, therefore the first oil inlet 32 can
With the abundant oil suction from fuel tank 8, and the second oil inlet 42 is difficult to contact with fluid, inertia ball 2 blocked the second oil inlet 42 with
Connection between oil-out 11, so now air will not be entered in in-line 6 from the second oil inlet 42, equally it ensure that
Oil-absorbing process is smoothed out.As can be seen that in the present embodiment, no matter fuel tank 8 tilts towards which direction, i.e., inertia ball 2 to
The direction for the first valve component or the second valve component is slided, and valve successfully can absorb fluid from fuel tank 8.With
Prior art is compared, and the present embodiment will not cause the fuel oil of vehicle to be supplied and interrupt suddenly because vehicle is in some operating modes, and
And no matter under which kind of operating mode, air can not enter valve internal by oil inlet, and the oil suction efficiency to valve causes shadow
Ring, so as to ensure that fluid in time, is fully supplied, finally further ensure the normal work of engine and vehicle.
With continued reference to Fig. 1, the preferred structure of the first valve component in the valve body that the present embodiment provides is shown in figure.Such as figure
Shown in 1, the first valve component can include:First end cap 33, the first valve body 34 and the first core assembly.Wherein, the first valve body
34 can be the hollow shell of both ends open, and the first oil inlet 32 can be opened in the first end cap 33;The first of first valve body 34
End (right-hand member shown in Fig. 1) is connected with the first end of center valve body 1, the second end (left side shown in Fig. 1 of the first valve body 34
End) the first end cap 33 is installed;First core assembly is used to, when inertia ball 2 slides to the direction of the second valve component, block
Connection between first oil inlet 32 and oil-out 11.When first valve component uses said structure, the structure of valve is simple, system
Make conveniently.
It should be noted that when inertia ball 2 is in the middle position of position as shown in Figure 1, i.e. center valve body 1,
A part for first core assembly is placed in the first valve body 34, and another part is placed in center valve body 1, when inertia ball is to the first valve
When the direction of body component slides into position as shown in Figure 4, the first core assembly is integrally all placed in the first valve body 34.
Further, the preferred structure of the first core assembly of the present embodiment offer is provided in Fig. 1.As shown in figure 1,
First core assembly can include:First valve element 35, the first return spring 37, the second return spring 36 and the first valve seat 38.Its
In, the first valve element 35 offers the first oil-through hole 351, and the first valve seat 38 offers first through hole 381;Wherein, the first valve element 35
It is slidably disposed in the first valve body 34, the first valve seat 38 is fixedly installed in the first valve body 34 and/or center valve body 1 and put
Between the first valve element 35 and inertia ball 2;The first end (right-hand member shown in Fig. 1) of first valve element 35 passes through the first return spring
37 are connected with inertia ball 2, and the second end (left end shown in Fig. 1) of the first valve element 35 passes through the second return spring 36 and first
End cap 33 is connected.The first end of first valve element 35 is provided with the first closure part 352 for being engaged with first through hole 381.
When first core assembly uses said structure, the structure of valve is simple, easily manufactured.
Preferably, first through hole 381 can be bellmouth, and correspondingly, the outer wall of the first closure part 352 can be and taper
The taper surface that hole is engaged, can so be slided into the first valve element 35 makes the first closure part 352 be plugged in first through hole 381
When, ensure good seal between the outer wall of the first valve element 35 and the inwall of the first valve seat 38, prevent air from passing through the first valve element 35
Outer wall and the first valve seat 38 inwall between gap enter center valve body 1 in, eventually affect oil pump oil-absorbing process and
The normal work of engine.
Preferably, the first oil-through hole 351 can be along the axially arranged of the first valve element 35, and can be along the first valve element 35
Circumferentially it is uniformly distributed.So, when fluid enters in valve from the first oil inlet 32 and flows through the first oil-through hole 351, the first valve
The stress of core 35 is more uniform, and the flow velocity of fluid is relatively stable.
As shown in figure 1, in the various embodiments described above, the second valve component can also include:Second end cap 43, the second valve body 44
With the second core assembly, wherein, the second valve body 44 can also be the hollow shell of both ends open, and the second oil inlet 42 can open up
In the second end cap 43, the first end (left end shown in Fig. 1) of the second valve body 44 is connected with the second end of center valve body 1, the
The second end (right-hand member shown in Fig. 1) of two valve bodies 44 is provided with the second end cap 43;Second core assembly be used for inertia ball 2 to
When first valve component direction is slided, the connection between the second oil inlet 42 and oil-out 11 is blocked.Second valve component uses
During said structure, the structure of valve is also fairly simple, and manufacture is also more convenient.
It should be noted that when inertia ball 2 is in the middle position of position as shown in Figure 1, i.e. center valve body 1,
A part for second core assembly is placed in the second valve body 44, and another part is placed in center valve body 1, when inertia ball is to the second valve
When the direction of body component slides into position as shown in Figure 3, the second core assembly is all placed in the second valve body 44.
Further, with continued reference to Fig. 1, the preferred structure of the second core assembly is also show in figure.As shown in figure 1, the
Two core assemblies include:Second valve element 45, the 3rd return spring 47, the 4th return spring 46 and the second valve seat 48.Wherein, second
Valve element 45 offers the second oil-through hole 451, and the second valve seat 48 offers the second through hole 481;Wherein:Second valve element 45 is slideably
It is arranged in the second valve body 44, the second valve seat 48 is fixedly installed in the second valve body 44 and/or center valve body 1 and is placed in the second valve
Between core 45 and inertia ball 2;The first end (left end shown in Fig. 1) of second valve element 45 passes through the 3rd return spring 47 and inertia
Ball 2 is connected, and the second end (right-hand member shown in Fig. 1) of the second valve element 45 passes through the 4th return spring 46 and the phase of the second end cap 43
Connection;The first end of second valve element 45 is provided with the second closure part 452 for being engaged with the second through hole 481.Second valve element
When component uses said structure, the structure of valve is also fairly simple, and manufacture is also more convenient.
Preferably, the second through hole 481 can also be bellmouth, correspondingly, the outer wall of the second closure part 452 can also be with
The taper surface that bellmouth is engaged, can so be slided into the second valve element 45 makes the second closure part 452 be plugged in the second through hole
When in 481, ensure good seal between the outer wall of the second valve element 45 and the inwall of the second valve seat 48, prevent air from passing through the second valve
Gap between the inwall of the outer wall of core 45 and the second valve seat 48 enters in center valve body 1, eventually affects the oil suction of oil pump
The normal work of journey and engine.
Preferably, the second oil-through hole 451 can also be along the axially arranged of the second valve element 45, and can be along the second valve element 45
Circumference be uniformly distributed.So, when fluid enters in valve from the second oil inlet 42 and flows through the second oil-through hole 451, second
Also more uniformly, the flow velocity of fluid is also relatively stable for the stress of valve element 45.
It should be noted that in above-described embodiment, the first valve body 34, the three of 1 and second valve body of center valve body 44 can also
It is integrally formed, to simplify the installation process of valve.
It should be noted that inertia ball 2 is respectively between the first valve element 35 and the second valve element 45, the first valve element 35 and first
Spring connection between end cap 33, between the second valve element 45 and the second end cap 43 can also be by well-known to those skilled in the art
Other flexible members are replaced, and the present embodiment does not do any restriction to this.
As shown in figure 1, in the present embodiment, the both ends of inertia ball 2 can be respectively arranged with the company of first connecting portion 21 and second
Socket part 22;First connecting portion 21 and second connecting portion 22 can be the boss for being convexly equipped in the outer wall both ends of inertia ball 1 respectively, certainly,
The other structures that first connecting portion 21 and second connecting portion 22 can also be well known to those skilled in the art, the present embodiment is to this
Any restriction is not done.When it is implemented, first end (right-hand member shown in Fig. 1) connection of the first return spring 37 and being sheathed on the
One connecting portion 21, the first end (left end shown in Fig. 1) of the 3rd return spring 47 connect and are sheathed on second connecting portion 22, this
Sample can make the installation of the first return spring 37 and the 3rd return spring 47 more reliable.
In the present embodiment, the quantity of oil-out 11 can be two, and axial direction of two oil-outs 11 along center valve body 1 is side by side
Set, also, two oil-outs 11 are respectively close to the both ends of center valve body 1.Inertia ball 2 offers the 3rd oil-through hole 23, preferably
Ground, the 3rd oil-through hole 23 can be along the axially arranged of inertia ball 2, and now, two oil-outs can pass through the 3rd oil-through hole 23
It is connected.So, no matter fluid enters inside center valve body 1 from which of two oil inlets, fluid not only can from
That oil-out that the oil inlet of actual oil suction is close is flowed into in-line 6, and fluid can also first pass through the 3rd oil-through hole 23,
Being flowed into again by another oil-out in in-line 6, two oil-outs 11 can be the oil pump feed of oil supply system simultaneously, therefore
The fuel feeding efficiency of valve will be improved to some extent, final further so as to further ensure the ample supply of fluid
It ensure that the normal work of engine and vehicle.
The course of work of the valve provided below the present embodiment under various different operating modes is described in detail:
As shown in Fig. 2 when vehicle is at the uniform velocity travelling on level road, inertia ball 2 can be in the first return spring 37 and the
The middle position of its initial position, i.e. center valve body 1 is under the collective effect of the initial tension of spring of three return springs 47, at this moment
First valve component and the second valve component are in horizontality, the first oil inlet 32 and the second oil inlet 42 while and fuel tank
8 are connected, therefore fluid can enter valve inner by the first oil inlet 32 and the second oil inlet 42 simultaneously, then through oil-out
11 flow into the in-line 6 of oil supply system, provide fuel oil for engine to prevent engine from stopping working suddenly and then have influence on car
Normal use.
As shown in figure 3, when vehicle is in upward slope state (travel direction of vehicle is as shown by arrow A), fuel tank 8 can to the right
Inclined downward (for position shown in Fig. 2), at this moment, the fluid in fuel tank 8 all concentrate on the lower right of fuel tank 8, oil
Liquid can enter in valve from the second oil inlet 42, and the lower left of fuel tank 8 does not have fuel oil, all air, the first oil inlet 32
In air.At this moment, inertia ball 2 can slide to the right under gravity, with the slip of inertia ball 2, first
Return spring 37 will be in extended state, and the 3rd return spring 47 is then in compressive state, and the first valve element 35 is in gravity and first
Slided to the right under the collective effect for the pulling force that return spring 37 applies, the second valve element 45 is in gravity and the 3rd return spring 47
Slided to the right under the collective effect of the thrust of application.First valve element 35 slides to close to the direction of the first valve seat 38, and the
Two valve elements 45 then slide to the direction away from the second valve seat 48, finally, when the envelope that the first valve element 35 is moved on the first valve element 35
Stifled portion is plugged at the first through hole on the first valve seat 38, i.e. when the taper surface of closure part seals up bellmouth, the first valve element
35 stop sliding, and now the oil supply loop of the first valve component is cut off, when the air in fuel tank 8 is from the on the first end cap 33
One oil inlet 32 enters inside the first valve body 34, be then passed through the first oil-through hole 351 flow into the first valve element 35 and the first valve seat 38 it
Between when, air, which cannot be introduced into the inside of center valve body 1 and pass through the oil-out 11 of the side wall of center valve body 1, flows into the oil-feed of oil supply system
In pipeline 6, being smoothed out for oil-absorbing process ensure that.For the oil supply loop of the second valve component, the fluid in fuel tank 8
Enter from the second oil inlet 42 on the second end cap 43 inside the second valve body 44, be then passed through the second oil-through hole 451 and flow into the second valve
Between the valve seat 48 of core 45 and second, be then passed through the second through hole on the second valve seat 48 flow into the valve seat 48 of inertia ball 2 and second it
Between.Due to offering two oil-outs 11 in the side wall of center valve body 1, a part of fluid directly from close to the second valve seat 48 that
Individual oil-out is flowed into the in-line 6 of oil supply system, and some fluid can pass through the on inertia ball 2 the 3rd to cross hydraulic fluid port 23
Flow between the valve seat 38 of inertia ball 2 and first, then flow into oil supply system by that oil-out close to the first valve seat 38
In in-line 6, the oil mass for having abundance preferably to ensure engine is supplied.To sum up, oil is caused when vehicle is in upward slope state
When case 8 tilts, fluid can enter in the in-line 6 of oil supply system from the second oil inlet 42 covered by fluid, and air
It can not then be entered by the first oil inlet 32 in air in the in-line 6 of oil supply system, so as to ensure that the valve
Door can provide enough fuel oils for engine in this condition, ensure the normal work of engine.
As shown in figure 4, when vehicle is in descending state (travel direction of vehicle is as shown by arrow A), fuel tank 8 can to the left
Lower section (for position shown in Fig. 2) tilts, and at this moment, the fluid in fuel tank 8 all concentrates on the lower left of fuel tank 8, oil
Liquid can enter in valve from the first oil inlet 32, and the lower right of fuel tank 8 does not have fuel oil, all air, the second oil inlet 42
In air.At this moment, inertia ball 2 can lower section be slided to the left under gravity, with the slip of inertia ball 2, first
Return spring 37 will be in compressive state, and the 3rd return spring 47 is then in extended state, and the first valve element 35 is in gravity and first
Lower section is slided to the left under the collective effect for the thrust that return spring 37 applies, and the second valve element 45 is in gravity and the 3rd return spring 47
Lower section is slided to the left under the collective effect of the pulling force of application.First valve element 35 slides to the direction away from the first valve seat 38, and the
Two valve elements 45 then slide to close to the direction of the second valve seat 48, finally, when the envelope that the second valve element 45 is moved on the second valve element 45
Stifled portion is plugged in the second through hole on the second valve seat 48, i.e. when the taper surface of closure part seals up bellmouth, the second valve element
45 stop sliding, and now the oil supply loop of the second valve component is cut off, even if the air in fuel tank 8 is from the second end cap 43
First oil inlet 42 enters inside the second valve body 44, is then passed through the second oil-through hole 451 and flows into the second valve element 45 and the second valve seat 48
Between, it also cannot be introduced into the oil inlet pipe of the inside of center valve body 1 and the inflow oil supply system of oil-out 11 for passing through the side wall of center valve body 1
In road 6, so as to ensure that being smoothed out for oil-absorbing process.For the oil supply loop of the first valve component, the oil in fuel tank 8
Liquid enters inside the first valve body 34 from the first oil inlet 32 on the first end cap 33, is then passed through the first oil-through hole 351 and flows into first
Between the valve seat 38 of valve element 35 and first, the first through hole being then passed through on the first valve seat 38 flows into the valve seat 38 of inertia ball 2 and first
Between.Due to offering two oil-outs 11 in the side wall of center valve body 1, a part of fluid is directly from close to the first valve seat 38
That oil-out is flowed into the in-line 6 of oil supply system, and some fluid can pass through the on inertia ball 2 the 3rd to cross hydraulic fluid port
23 flow between the valve seat 48 of inertia ball 2 and second, then flow into oil supply system by that oil-out close to the second valve seat 48
In-line 6 in, with preferably ensure engine have abundance oil mass supply.To sum up, cause when vehicle is in descending state
When fuel tank 8 tilts, fluid can enter in the in-line 6 of oil supply system from the first oil inlet 32 covered by fluid, and empty
Gas can not then be entered in the in-line 6 of oil supply system by the second oil inlet 42 in air, so as to ensure that this
Valve can provide enough fuel oils for engine in this condition, ensure the normal work of engine.
As shown in figure 5, when vehicle is in anxious acceleration mode (travel direction of vehicle is as shown by arrow A), the meeting of inertia ball 2
Because the effect of inertia is moved to the direction of the second valve element 45, when the specific work process and vehicle driving up of this operating mode lower valve
Working condition is similar, and specific work process will not be repeated here with reference to the explanation to upward slope process.
As shown in fig. 6, when vehicle is in anxious deceleration regime (travel direction of vehicle is as shown by arrow A), the meeting of inertia ball 2
Because the effect of inertia is moved to the direction of the first valve element 35, the specific work process of this operating mode lower valve with during vehicle descending
Working condition is similar, and specific work process will not be repeated here with reference to the explanation to descending process.
When vehicle is in the road conditions jolted, inertia ball 2 can reciprocatingly slide left and right in the presence of inertia force, whole valve
The working condition of first valve component and the second valve component can constantly be adjusted according to the slip of inertia ball 2, its specific works
Process is referred to course of work when vehicle driving up and descending, will not be repeated here.When inertia force disappears, inertia ball
2 can be returned to its initial position in the presence of the spring-return power of the first return spring 37 and the 3rd return spring 47.This reality
Apply in example, can by the weight of reasonable selection inertia ball 2, the rigidity of the first return spring 37 and the 3rd return spring 47, with
And the stroke of inertia ball 2 ensures that valve remains to normal oil suction under this operating mode.
When vehicle is returned to water by upward slope state, descending state, anxious acceleration mode or anxious deceleration regime, road conditions of jolting traveling
When flat road surface at the uniform velocity travels, inertia ball 2 can return to it under the effect of the return of the first return spring 37 and the 3rd return spring 47
Initial position, the first valve element 35 can return to its initial bit under the collective effect of the first return spring 37 and the second return spring 36
Put, similarly, it is initial that the second valve element 45 also can return to its under the collective effect of the 3rd return spring 47 and the 4th return spring 46
Position, now, the first oil inlet 32 and the second oil inlet 42 can normal oil suctions.
To sum up, the valve that the present embodiment provides can ensure that the oil supply system of vehicle can normally be inhaled under various operating modes
Oil, ensure the normal work of engine and vehicle, also, the valve mechanism is simple, and it is easy to use, largely improve oil
The dischargeable capacity of case.
Oil supply system embodiment:
Referring to Fig. 7, a kind of preferred structure of oil supply system provided in an embodiment of the present invention is shown in Fig. 7, the fuel feeding system
System includes:Power set 5, in-line 6, return line 7, fuel tank 8 and above-mentioned valve, wherein:The specific implementation process of valve
With reference to described above, the present embodiment does not do any restriction to this.
Because valve has above-mentioned technique effect, therefore the oil supply system with above-mentioned valve is also imitated with corresponding technology
Fruit, it will not be repeated here.
In the present embodiment, power set 5, in-line 6, return line 7 and fuel tank 8 form closed circuit, and valve is set
In in fuel tank 8, it is preferred that valve can be arranged at the bottom of fuel tank 8 with preferably oil suction.In the present embodiment, the oil inlet of valve
It is connected with fuel tank 8, the oil-out 11 of valve is connected with in-line 6.
The present embodiment can also include:Bypass line 9 and the by-passing valve 10 being arranged on bypass line 9;Wherein, bypass pipe
The first end (the lower-left end shown in Fig. 7) on road 9 is connected with fuel tank 8, the second end (upper right shown in Fig. 7 of bypass line 9
End) it is connected with in-line 6.In the present embodiment, the first end of bypass line 9 can be provided with coarse filter, to improve oil suction
Quality.For the oil supply system, when valve normal work, by-passing valve 10 is generally in closed mode, still, once on
State valve and be in blocked state, it is possible to open by-passing valve 10, at this moment the can of bypass line 9 functions to, bypass line 9
Fluid can be absorbed from fuel tank 8, and the fluid is transported in the in-line 6 of oil supply system, to ensure engine just
Often work.
The present embodiment can also include:First fuel sucking pipe 81 and the second fuel sucking pipe 82, wherein:The first of first fuel sucking pipe 81
End (upper right side shown in Fig. 7) is connected with the first oil inlet 32, the second end (left side shown in Fig. 7 of the first fuel sucking pipe 81
Lower end) bottom of fuel tank 8 is placed in, specifically, the first fuel sucking pipe 81 can be to manage always, also, the axis and valve of the straight tube
Horizontal axis between there may be certain angle so that the second end of the first fuel sucking pipe 81 is more easy to be absorbed in fuel tank 8
Fluid;The first end (left upper end shown in Fig. 7) of second fuel sucking pipe 82 is connected with the second oil inlet 42, the second fuel sucking pipe 82
The second end (bottom righthand side shown in Fig. 7) be placed in the bottom of fuel tank 8, specifically, the second fuel sucking pipe 82 can also be a straight tube,
Also, there may also be certain angle between the axis of the straight tube and the horizontal axis of valve, so that the second fuel sucking pipe 82
Second end is easier the fluid being absorbed in fuel tank 8.When it is implemented, the first fuel sucking pipe 81 and the second fuel sucking pipe 82 can lead to
The bottom that support is fixed on fuel tank 8 is crossed, certainly, the first fuel sucking pipe 81 and the second fuel sucking pipe 82 can also pass through people in the art
Other modes known to member are fixed, and can specifically be determined according to actual conditions, the present embodiment does not do any restriction to this.
As can be seen that because the second end of the first fuel sucking pipe 81 and the second end of the second fuel sucking pipe 82 are placed in fuel tank 8
Bottom, so, when fluid amount is less in fuel tank 8 or vehicle is in some operating modes and causes the liquid level of fluid in fuel tank 8 to tilt,
First oil inlet pipe 81 and the second oil inlet pipe 82 fully contact with fluid and the possibility of abundant oil suction will be larger from fuel tank 8,
So as to the abundant oil suction of oil pump energy being further ensured that in power set 5, the final normally travel for ensureing vehicle.
In the present embodiment, the second end of the second end of the first fuel sucking pipe 81 and the second fuel sucking pipe 82 can also be provided with coarse filtration
Device.So, before fluid enters valve from fuel tank 8 by the first fuel sucking pipe 81 and the second fuel sucking pipe 82, first carried out together
The process of filtering, be advantageous to improve oil suction quality.
It should be noted that the angle between the axis of the first fuel sucking pipe 81 and the axis of valve, and the second fuel sucking pipe
The specific value of angle between 82 axis and the axis of valve can determine according to actual conditions, the present embodiment to this not
Do any restriction.
Continue as shown in fig. 7, the present embodiment can also include:It is fuel oil feeding port 83, oil float 84, oil discharge screw 85, logical
Gas port 86, fuel level gauge 87, wire harness 88, coarse filter 61 and fine cleaner 62, wherein:Fuel oil feeding port 83 can be arranged at fuel tank 8
Roof;One end of oil float 84 is connected with fuel tank 8, and the other end of oil float 84 is connected by wire harness 88 with fuel level gauge 87,
Oil float 84, wire harness 88 and the three of fuel level gauge 87 are used cooperatively, and can with more convenient monitor the surplus of fluid in fuel tank 8.
When amount of fuel deficiency in fuel tank 8, can by fuel oil feeding port 83 into fuel tank 8 fuel up, to ensure in fuel tank 8
Sufficient fuel oil can be stored always.Oil discharge screw 85 can be installed on the bottom wall of fuel tank 8, when need release fuel tank 8 in
During fluid, directly screw oil discharge screw 85 and disassemble oil discharge screw 85 from fuel tank 8.Coarse filter 61 and fine cleaner
62 can be set in turn on in-line 6, in order to be filtered again to the fluid for flowing through in-line 6, so as to enter one
Step improves oil quality.Blow vent 86 can be arranged in fuel tank cap, produced for shedding inside fuel tank 8 due to long-time fuel feeding
Raw negative pressure.
To sum up, the oil supply system that the present embodiment provides no matter under which kind of operating mode can smooth oil suction, so as to being engine
Sufficient fuel oil supply, the final normal work for ensureing engine and vehicle are provided.
The embodiments of the present invention are for illustration only, do not represent the quality of embodiment.
Obviously, those skilled in the art can carry out the essence of various changes and modification without departing from the present invention to the present invention
God and scope.So, if these modifications and variations of the present invention belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising including these changes and modification.
Claims (11)
- A kind of 1. valve, it is characterised in that including:Valve body (100), the valve body (100) are arranged at fuel tank internal, Wherein, the valve body (100) is provided with the first oil inlet (32), the second oil inlet (42) and oil-out (11), it is described go out Hydraulic fluid port (11) is arranged between first oil inlet (32) and second oil inlet (42), also, first oil inlet (32) it is connected with second oil inlet (42) with the oil-out (11), first oil inlet (32) and described second The quantity of oil inlet (42) is respectively at least one.
- 2. valve as claimed in claim 1, it is characterised in that the valve body (100) includes:The center valve body (1) of both ends open, also, the side wall of the center valve body (1) offers oil-out (11);First valve component, the first end of the center valve body (1) is connected to, also, first valve component is set State the first oil inlet (32);Second valve component, the second end of the center valve body (1) is connected to, also, second valve component is set State the second oil inlet (42).
- 3. valve as claimed in claim 2, it is characterised in that also include:Inertia ball (2);Wherein,The inertia ball (2) is slidably disposed in the center valve body (1);First valve component is used for when the inertia ball (2) slides to the second valve component direction, described in blocking Connection between first oil inlet (32) and the oil-out (11);Second valve component is used for when the inertia ball (2) slides to the first valve component direction, described in blocking Connection between second oil inlet (42) and the oil-out (11).
- 4. valve as claimed in claim 3, it is characterised in thatFirst valve component includes:First end cap (33), the first valve body (34) and the first core assembly, first valve body (34) it is opened in first end cap (33) for the hollow shell of both ends open, first oil inlet (32);Wherein, described The first end of one valve body (34) is connected with the first end of the center valve body (1), the second end peace of first valve body (34) Equipped with first end cap (33);First core assembly is used in the inertia ball (2) to the second valve component side To when sliding, the connection between first oil inlet (32) and the oil-out (11) is blocked;And/orSecond valve component includes:Second end cap (43), the second valve body (44) and the second core assembly, second valve body (44) it is opened in second end cap (43) for the hollow shell of both ends open, second oil inlet (42);Wherein, described The first end of two valve bodies (44) is connected with the second end of the center valve body (1), the second end peace of second valve body (44) Equipped with second end cap (43);Second core assembly is used in the inertia ball (2) to the first valve component side To when sliding, the connection between second oil inlet (42) and the oil-out (11) is blocked.
- 5. valve as claimed in claim 4, it is characterised in thatFirst core assembly includes:First valve element (35), the first return spring (37), the second return spring (36) and first Valve seat (38), first valve element (35) offer the first oil-through hole (351), and first valve seat (38) offers first through hole (381);Wherein, first valve element (35) is slidably disposed in first valve body (34), first valve seat (38) Be fixedly installed in first valve body (34) and/or the center valve body (1) and be placed in first valve element (35) with it is described Between inertia ball (2);The first end of first valve element (35) passes through first return spring (37) and the inertia ball (2) It is connected, the second end of first valve element (35) is connected by second return spring (36) with first end cap (33) Connect;The first end of first valve element (35) is provided with the first closure part for being engaged with the first through hole (381) (352);And/orSecond core assembly includes:Second valve element (45), the 3rd return spring (47), the 4th return spring (46) and second Valve seat (48), second valve element (45) offer the second oil-through hole (451), and second valve seat (48) offers the second through hole (481);Wherein:Second valve element (45) is slidably disposed in second valve body (44), second valve seat (48) It is fixedly installed in second valve body (44) and/or the center valve body (1) and is placed in second valve element (45) and described Between inertia ball (2);The first end of second valve element (45) passes through the 3rd return spring (47) and the inertia ball (2) It is connected, the second end of second valve element (45) is connected by the 4th return spring (46) with second end cap (43) Connect;The first end of second valve element (45) is provided with the second closure part for being engaged with second through hole (481) (452)。
- 6. valve as claimed in claim 5, it is characterised in thatThe first through hole (381) is bellmouth, and the outer wall of first closure part (352) is engaged with the bellmouth Taper surface;And/orSecond through hole (481) is bellmouth, and the outer wall of second closure part (452) is engaged with the bellmouth Taper surface.
- 7. valve as claimed in claim 5, it is characterised in thatCircumference of first oil-through hole (351) along first valve element (35) is uniformly distributed;And/orCircumference of second oil-through hole (451) along second valve element (45) is uniformly distributed.
- 8. such as the valve any one of claim 3-7, it is characterised in that the quantity of the oil-out (11) is two, Two oil-outs (11) along the axially arranged of the center valve body (1), also, two oil-outs (11) respectively close to The both ends of the center valve body (1);The inertia ball (2) offers the 3rd oil-through hole (23).
- 9. a kind of oil supply system, including:Power set (5), in-line (6), return line (7) and fuel tank (8), the power Device (5), the in-line (6), the return line (7) and the fuel tank (8) form closed circuit, it is characterised in that Also include the valve as any one of claim 1-8;Wherein:The valve is arranged in the fuel tank (8), also, the oil inlet of the valve is connected with the fuel tank (8), described The oil-out (11) of valve is connected with the in-line (6).
- 10. oil supply system as claimed in claim 9, it is characterised in that also include:Bypass line (9) and it is arranged at the side By-passing valve (10) on siphunculus road (9);Wherein,The first end of the bypass line (9) is connected with the fuel tank (8), the second end of the bypass line (9) with it is described In-line (6) is connected.
- 11. oil supply system as claimed in claim 9, it is characterised in that also include:First fuel sucking pipe (81) and the second fuel sucking pipe (82), wherein:The first end of first fuel sucking pipe (81) is connected with first oil inlet (32), first fuel sucking pipe (81) Second end is placed in the fuel tank (8) bottom;The first end of second fuel sucking pipe (82) is connected with second oil inlet (42), second fuel sucking pipe (82) Second end is placed in the fuel tank (8) bottom.
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CN106949283A (en) * | 2017-03-29 | 2017-07-14 | 贵阳小河区天筑精密液压件厂 | A kind of split pilot valve |
CN109398075B (en) * | 2018-10-22 | 2020-07-28 | 武汉腾索科技有限公司 | Method and apparatus for controlling a vent valve of a fuel tank |
CN112901383A (en) * | 2021-03-24 | 2021-06-04 | 安徽江淮汽车集团股份有限公司 | Automatic switching control system and method for oil supply oil way and vehicle |
CN112983593A (en) * | 2021-03-26 | 2021-06-18 | 重庆骐速科技有限公司 | Oil pan system automatically adapting to inclination of engine |
CN113459802A (en) * | 2021-08-05 | 2021-10-01 | 安徽江淮汽车集团股份有限公司 | Device for maintaining oil supply stability during ascending and descending of low liquid level in oil tank |
CN114435118A (en) * | 2022-01-19 | 2022-05-06 | 重庆和金汽车配件有限公司 | Oil supply system with stable oil supply |
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CN1215008A (en) * | 1997-10-22 | 1999-04-28 | 王文彪 | Hydraulic brake booster for vehicle |
CN100532821C (en) * | 2007-04-13 | 2009-08-26 | 浙江吉利汽车研究院有限公司 | Horizontal fuel pump |
CN101372931B (en) * | 2008-04-07 | 2010-12-08 | 吴淑文 | Universal oil supply device |
CN201416500Y (en) * | 2009-04-01 | 2010-03-03 | 奇瑞汽车股份有限公司 | Oil tank embedded electric fuel oil pump with distal end oil suction point |
CN201650527U (en) * | 2010-02-12 | 2010-11-24 | 常州市罗本三晶机械有限公司 | Oil supply device of internal combustion engine |
CN201730715U (en) * | 2010-05-27 | 2011-02-02 | 力帆实业(集团)股份有限公司 | Oil feed line for engines |
CN201696191U (en) * | 2010-06-10 | 2011-01-05 | 安徽江淮汽车股份有限公司 | Fuel oil supply device of light-duty truck |
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