CN106969251A - A kind of flow divider and its hydraulic system of lubrication for vehicle - Google Patents

A kind of flow divider and its hydraulic system of lubrication for vehicle Download PDF

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Publication number
CN106969251A
CN106969251A CN201710170013.7A CN201710170013A CN106969251A CN 106969251 A CN106969251 A CN 106969251A CN 201710170013 A CN201710170013 A CN 201710170013A CN 106969251 A CN106969251 A CN 106969251A
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CN
China
Prior art keywords
sleeve member
flow divider
lubricating oil
moving member
lubrication
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201710170013.7A
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Chinese (zh)
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CN106969251B (en
Inventor
邱志凌
王瑞平
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Ningbo Shangzhongxia Automatic Transmission Co Ltd
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Ningbo Shangzhongxia Automatic Transmission Co Ltd
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Priority to CN201710170013.7A priority Critical patent/CN106969251B/en
Publication of CN106969251A publication Critical patent/CN106969251A/en
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Classifications

    • 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
    • F16N—LUBRICATING
    • F16N23/00—Special adaptations of check valves
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D13/00—Friction clutches
    • F16D13/58—Details
    • F16D13/74—Features relating to lubrication
    • 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
    • F16N—LUBRICATING
    • F16N7/00—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated
    • F16N7/38—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated with a separate pump; Central lubrication systems
    • F16N7/385—Central lubrication systems
    • 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
    • F16N—LUBRICATING
    • F16N2210/00—Applications
    • F16N2210/18—Electric motors
    • 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
    • F16N—LUBRICATING
    • F16N2280/00—Valves
    • F16N2280/04—Variable-flow or proportional valves

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Details Of Gearings (AREA)

Abstract

The invention provides a kind of flow divider and its hydraulic system of lubrication for vehicle gear box, it is related to hydraulic means.Flow divider includes：Valve body, it is internally formed breakthrough part, and one end of the breakthrough part is entrance, and the other end is and exported；Plurality of passages, respectively with the entrance and the outlet, for making lubricating oil be circulated to the lubricant oil way of the driving member；Moving member, is installed in the breakthrough part, and by the mobile part closing made in a plurality of passage or path, the movement of the moving member is in response to the lubricating oil pressure towards the driving member；And elastic component, being installed at the moving member can promote its movement to reset, and the pressure of the lubricating oil can be more than the elastic force of the elastic component.On the one hand manufacture installation cost is reduced；On the other hand, the consumption to the vehicle energy itself is reduced as far as possible.

Description

A kind of flow divider and its hydraulic system of lubrication for vehicle
Technical field
The present invention relates to hydraulic means, more particularly to a kind of flow divider and its hydraulic system of lubrication for vehicle.
Background technology
Motor vehicle driven by mixed power is fast-developing because of its energy-conserving and environment-protective characteristic.Existing motor vehicle driven by mixed power is mostly by internal combustion engine With motor combination drive.Only can be driven in the case of city and short distance by motor, it is long-distance in the case of can be driven by internal combustion engine, Can simultaneously it be driven with internal combustion engine and motor when climbing or needing fast starting.Multiple hybrid-power control technology improves car Dynamic characteristics, reduce engine displacement, reduce fuel consumption and waste gas discharge.
At present, the hybrid power gearbox of motor vehicle driven by mixed power is the installation driving member group on the basis of conventional gearbox Into.
Double clutch gearboxes are a kind of automobile gearboxes with fastest developing speed in recent years.Its existing manual transmission it is efficient Rate, has outside the unremitting power output and comfortableness of automatic gear-box again；It is one kind of modern hybrid vehicle gearbox Preferred structure.
The double clutch gearboxes of existing combination drive are to double clutch cooling, lubrication by an electric lubricating oil pump.For To additional driving member lubrication, the method generally taken in the prior art is：I) grease pump is installed to drive to electricity Dynamic component lubricates；Ii) increase an electric hydraulic control valve, controlled to supply the profit of driving member according to driving member lubricating requirement Slip-stream amount；Iii the flow of the grease pump of former gearbox) is increased, pump discharge is diverted to driving member profit by fixed proportion It is sliding.The above-mentioned i of measure) and ii) not only increase cost, and need to redesign gearbox control so that the research and development of input Design is more.Above-mentioned measure iii) the new larger electric oil pump of exploitation is required, and more motor power (output)s are expended, reduction is whole Gearbox efficiency.
The content of the invention
It is an object of the present invention to provide a kind of shunting for motor vehicle driven by mixed power gearbox lubrication hydraulic system Valve, oil pump flow is distributed to driving member lubrication by different proportion according to vehicle driving patterns, is not increasing existing oil by it The purpose that effectively lubricating and radiating are carried out to driving member is reached in the case of pumpage.
The present invention one is further objective is that the lubricating oil system cost of hybrid power double clutch gearbox will be reduced.
The present invention another further objective is that to reduce the lubricating oil system work of hybrid power double clutch gearbox To the energy resource consumption of itself of its vehicle during work.
Especially, the invention provides a kind of flow divider for vehicle, the vehicle is with double clutch gearbox Electric drive motor vehicle driven by mixed power, the flow divider be used for adjust flows to the double clutch it is corresponding to the gearbox electricity drive Flow of lubrication between dynamic component, the flow divider is installed on towards at the lubricant oil way of the driving member,
The flow divider includes：
Valve body, it is internally formed breakthrough part, and one end of the breakthrough part is entrance, and the other end is and exported；
Plurality of passages, respectively with the entrance and the outlet, for making lubricating oil be circulated to the electric drive portion The lubricant oil way of part；
Moving member, is installed in the breakthrough part, is closed or logical by the mobile part made in a plurality of passage Road, the movement of the moving member is in response to the lubricating oil pressure towards the driving member；And
Elastic component, being installed at the moving member can promote its movement to reset, and the pressure of the lubricating oil can More than the elastic force of the elastic component；
Wherein, when the lubricating oil pressure is more than the elastic force of the elastic component, the moving member is pushed away by the lubricating oil It is dynamic to be closed the part in a plurality of passage, and another part in a plurality of passage keeps path；Or,
When the lubricating oil pressure is less than the elastic force of the elastic component, the moving member is made many by the resilient element urges A part in passage described in bar is recovered and keeps path.
Further, the flow divider also has sleeve member, for limiting the moving member inside it along the set The axial reciprocating movement of barrier part, the sleeve member is installed in the breakthrough part, the breakthrough part of the flow divider porch The outer wall of inwall and the sleeve member end is provided with cavity, and the lubricating oil can enter one end of the sleeve member to cause It can be promoted inside axial movement of the moving member along the sleeve member, the other end of the sleeve member and the insertion The outlet in portion is connected；
The plurality of passages is the multiple first through hole for being opened in sleeve member side wall, and the plurality of passages is at least two Group is set, and described at least two groups are sequentially set along the moving direction of the moving member, and the plurality of passages can be by the set It is connected inside the barrier part other end with the breakthrough part at the cavity,
The moving member is cylindrical member, and it is engaged with the sleeve member；
Preferably, plurality of passages described in every group is set around the circumference of the sleeve member；
Preferably, the plurality of passages is in two groups of settings, and one group in described two groups is a first through hole, and in leaning on The nearly sleeve member other end is set, and another group in described two groups first leads to for two around what the sleeve member circumference was opened up Hole, and set in away from the sleeve member other end.
Further, the flow divider also has
Inlet baffle, is moved for limiting the moving member in the sleeve member, and it is installed on described sleeve member one end Place, the inlet baffle is offered for making the lubricating oil enter its second internal through hole outside described sleeve member one end； And
Outlet damper, is moved, it is another that it is installed on the sleeve member for limiting the moving member in the sleeve member At end, the outlet damper is offered for making the threeway of the sleeve member other end and the outlet of the flow divider Hole；
End at the close sleeve member other end of the moving member is set with the sleeve member inwall in spacing, with So that another part when the moving member is fitted with the sleeve member other end in the plurality of passages remains in that path；
Preferably, the elastic component is spring part, and it is connected with the moving member and the sleeve member other end；
Preferably, the moving member is multi-diameter shaft, the diameter of the moving member by the sleeve member other end towards institute Increase successively on the direction for stating sleeve member one end, and the moving member is with three sections of trunk portion；
Preferably, described sleeve member one end is set towards the entrance, in order to which the lubricating oil rapidly enters the set In barrier part one end.
Further, the breakthrough part positioned at the porch is the shoulder hole with three sections of different-diameters, its diameter Successively decreased successively towards the outlet by the entrance, the sleeve member and the interlude in the shoulder hole of three sections of different-diameters It is engaged；
The inlet baffle and the valve body riveting of the porch are fixed.
Further, the driving member includes motor, multiple teeth for transmitting the motor power Wheel and multiple bearings that frictional force in the motor dynamic process is transmitted for reducing the multiple gear.
In addition, present invention also offers a kind of hydraulic system of lubrication with the flow divider, the hydraulic system of lubrication Have
Oil sump, for providing lubricating oil for the system；
The pump housing, for driving the lubricating oil to enter in the double clutch and in the driving member, and is adjusted Into the flow of lubrication in the system, pump housing entrance is connected with the oil sump, pump housing outlet respectively with it is described double Clutch and the driving member are connected；And
The flow divider, the flow of lubrication between the double clutch and the driving member is flowed to for regulation, It is installed on the pump housing and drives the lubricating oil to enter at the interconnecting part of the driving member.
Further, the pump housing is to pacify at electric hydraulic pump, the interconnecting part between the oil sump and the pump housing Equipped with oil suction filter, cooler and force feed filter are sequentially installed with by the connectivity part of the pump housing to the double clutch.
Further, the flow divider is pipe head-like structure, and is installed on the exit of the pump housing or the speed change Outside the casing of case,
Preferably, the flow divider is L shape pipe head-like structures, and the breakthrough part is L shape pipelines；
Preferably, the flow divider is connected through a screw thread mode and is installed on the exit of the pump housing or the gearbox Casing outside.
Further, the action response for the flow of lubrication that the pump housing increase enters in the system becomes in described Lubrication during fast case gearshift or in the engine driving and the double clutch of the vehicle and in the driving member When the temperature of oil is higher than setting value.
Further, the gearbox is seven grades of electric drive hybrid power gearboxes with double clutch.
The present invention flow divider and its hydraulic system of lubrication realize in said process, only need to be by adjusting the profit in the system Oil flow, makes full use of the principle of " area of passage does not change, flow velocity increase, fluid pressure increase " in hydrodynamics, and Realized in combination with elastic component, plurality of passages and moving member and the flow of lubrication for flowing to driving member controlled, it is proposed that Different from another brand-new scheme of prior art.The movement of moving member in response to the lubricating oil pressure towards driving member, Automatically adjusting for the flow of lubrication to flowing to driving member is realized, relative to complicated regulative mode of the prior art, one Aspect greatly reduces manufacture installation cost, while reducing the R ＆ D design to the complicated regulative mode；On the other hand, During regulation flows to the flow of lubrication of driving member, the consumption to the vehicle energy itself is reduced as far as possible, so that It furthermore achieved that energy-conserving and environment-protective.
According to the accompanying drawings to the detailed description of the specific embodiment of the invention, those skilled in the art will be brighter Above-mentioned and other purposes, the advantages and features of the present invention.
Brief description of the drawings
Some specific embodiments of the present invention are described in detail by way of example, and not by way of limitation with reference to the accompanying drawings hereinafter. Identical reference denotes same or similar part or part in accompanying drawing.It should be appreciated by those skilled in the art that these What accompanying drawing was not necessarily drawn to scale.In accompanying drawing：
Fig. 1 is the schematic cross sectional views of the flow divider according to an embodiment of the invention；
Fig. 2 is the schematic diagram with the hydraulic system of lubrication of the flow divider shown in Fig. 1；
Fig. 3 is the distribution relation curve table of the flow of lubrication of the flow divider.
Embodiment
Fig. 1 is the schematic cross sectional views of the flow divider according to an embodiment of the invention.Fig. 2 is with shown in Fig. 1 The schematic diagram of the hydraulic system of lubrication of the flow divider.Referring to Fig. 2, the flow divider 5 for motor vehicle driven by mixed power, which is installed on, to be had The gearbox of double clutch 4 it is interior.Flow divider 5 is used to distribute the lubricating oil stream flowed between double clutch 4 and driving member 2 Amount.Flow divider 5 is installed on towards at the lubricant oil way of driving member 2.Gearbox can be seven grades with double clutch 4 Electric drive hybrid power gearbox.
Illustrated based on Fig. 2, the hydraulic system of lubrication with flow divider 5 can include：Oil sump 11 and the pump housing 13. Oil sump 11 is used to provide lubricating oil for system.The pump housing 13 is used to drive lubricating oil to enter in double clutch 4 and driving member 2 In, and adjust the flow of lubrication into system.Its entrance is connected with oil sump 11, its export respectively with double clutch 4 with And driving member 2 is connected.Flow divider 5 is installed on the driving lubricating oil of the pump housing 13 and entered at the interconnecting part of driving member 2.
Illustrated based on Fig. 1, flow divider 5 can include：Moving member 54, elastic component 55 and plurality of passages 51.It is many Bar passage 51 is used for the lubricant oil way for making lubricating oil be circulated to driving member 2.Plurality of passages 51 enters with flow divider 5 respectively Mouth and outlet.Elastic component 55 can promote the moving member 54 of flow divider 5 to move reset, and the pressure of lubricating oil can be big In the elastic force of elastic component 55.Moving member 54 is installed in breakthrough part 52, can make in plurality of passages 51 a part closing or Path.The movement of moving member 54 is in response to the lubricating oil pressure towards driving member 2.When lubricating oil pressure is more than elastic component 55 Elastic force when, moving member 54 is promoted by lubricating oil is closed the part in plurality of passages 51, and another in plurality of passages 51 A part keeps path；When lubricating oil pressure is less than the elastic force of elastic component 55, moving member 54 is made a plurality of by the promotion of elastic component 55 Recover and keep path in the part that is closed in passage 51.
Illustrate, its implementation procedure can be, when vehicle is driven using motor, moisten continuing with Fig. 1 Lubricating oil is circulated to driving member 2 by flow divider 5 (referring to Fig. 2).Now lubricating oil pressure is less than the elastic force of elastic component 55, bullet Property part 55 make flow divider 5 moving member 54 keep reset state.Referring to Fig. 2, when double clutch 4 be operated or gearbox in When temperature is too high, the pump housing 13 increases the flow of lubrication to system, because the outlet oil duct of the pump housing 13 has certain flow resistance, when Its outlet pressure can also increase during 13 flow increase of the pump housing.So that the lubricating oil pressure increase of driving member 2 is flowed to, referring to figure 1, when lubricating oil pressure is more than the elastic force of elastic component 55, moving member 54 is promoted by lubricating oil makes the part in plurality of passages 51 It is closed, and another part in plurality of passages 51 keeps path, referring to Fig. 2, so as to reduce the lubrication towards driving member 2 Oily flow, and flow of lubrication of the increase towards double clutch 4 simultaneously.Realize and effectively lubricating cooling is carried out to double clutch 4 Effect.
Referring to Fig. 1, and realize in said process, only need to make full use of stream by adjusting the flow of lubrication in the system The principle of " area of passage does not change, flow velocity increase, fluid pressure increase " in mechanics, and in combination with elastic component 55, many Bar passage 51 and moving member 54, which are realized, to be controlled the flow of lubrication for flowing to driving member 2 (referring to Fig. 2), it is proposed that different In another brand-new scheme of prior art.The movement of moving member 54 is realized to flowing to electric drive in response to fuel pump outlet pressure The flow of lubrication of part 2 is automatically adjusted, and relative to complicated regulative mode of the prior art, the flow divider reduces manufacture Installation cost, while reducing the R ＆ D design to the complicated regulative mode；On the other hand, electric drive portion is flowed in regulation During the flow of lubrication of part 2, do not increase oil pump capacity, reduce the consumption of the transmission oil pump energy itself, so that real Energy-conserving and environment-protective are showed.
Illustrated continuing with Fig. 1, further, flow divider 5 can also have valve body 56, sleeve member 57 and a plurality of Passage 51.The inside of valve body 56 has breakthrough part 52.Breakthrough part 52 goes out for making lubricating oil flow to it by the entrance of flow divider 5 Mouthful.The insertion two ends of breakthrough part 52 are respectively entrance and the outlet of flow divider 5, wherein, one end of installation set barrier part 57 is entrance, Then the other end is outlet.Sleeve member 57 is moved for limits compression aspect 54 inside it along the axial reciprocating of sleeve member 57.Set Barrier part 57 is installed in breakthrough part 52.Between the inwall of breakthrough part 52 of the porch of flow divider 5 and the outer wall of the end of sleeve member 57 Cavity is set.Lubricating oil can enter one end of sleeve member 57 to allow it to promote axle of the moving member 54 along sleeve member 57 To motion.It is connected inside the other end of sleeve member 57 with the outlet of breakthrough part 52.In the present embodiment, one end in sleeve member 57 Refer to the arrival end close to breakthrough part 52, then the other end refers to that end corresponding thereto.
Illustrated continuing with Fig. 1, plurality of passages 51 can be the multiple first through hole for being opened in the side wall of sleeve member 57. Plurality of passages 51 is at least two groups settings.At least two groups moving directions for sequentially moving along part 54 are set.Plurality of passages 51 can Will be connected inside the other end of sleeve member 57 with the breakthrough part 52 at cavity.Moving member 54 can be cylindrical member, itself and sleeve Part 57 is engaged.
In a unshowned embodiment of Figure of description, every group of plurality of passages 51 is set around the circumference of sleeve member 57 Put.
Preferably, flow divider 5 is L shape pipe head-like structures, and breakthrough part 52 is L shape pipelines.
Preferably, flow divider 5 is connected through a screw thread mode and is installed on outside the casing of the exit of the pump housing 13 or gearbox.
Illustrated continuing with Fig. 1, it is preferable that plurality of passages 51 can be in two groups of settings, and one group in two groups is one Individual first through hole, and set in close to the other end of sleeve member 57.Another group in two groups surrounds the circumference of sleeve member 57 for two The first through hole opened up.And set in away from the other end of sleeve member 57.Preferably, elastic component 55 is spring part, itself and movement Part 54 and the other end of sleeve member 57 are connected.
Its implementation procedure can be that, when lubricating oil pressure is less than the elastic force of elastic component 55, elastic component 55 makes moving member 54 exist The inside of the end of sleeve member 57 is held in sleeve member 57.Lubricating oil enters by entrance and in the outer wall of sleeve member 57 and insertion Multiple passages 51 are flowed through at cavity between portion 52, then are flowed to inside the other end of sleeve member 57 to outlet.When double clutch 4 is carried out When work or speed change the temperature inside the box are too high, the pump housing 13 increases the flow of lubrication to system so that lubricating oil pressure is more than bullet Property part 55 elastic force when, moving member 54 is promoted by lubricating oil, and to moving at the other end of sleeve member 57, is made at least two groups extremely Few one group of plurality of passages 51 is closed, and one group of plurality of passages 51 at least two groups keeps path.In the present embodiment, 51B envelopes Close, 51A keeps path.So as to reduce the flow of lubrication towards driving member 2, and double clutch 4 is led in increase simultaneously Flow of lubrication.Realize the effect that effectively lubricating cooling is carried out to double clutch 4.
And realize in said process, sleeve member 57, passage 51 are to be opened in the through hole of the side wall of sleeve member 57, and elastic component 55 be spring part, and moving member is cylindrical member, with simple in construction, the characteristics of being easy to manufacture and install.Hence in so that point Stream valve greatly facilitates its design improvement, and follow-up manufacture assembling while flow automatic regulation is realized.So as to significantly Reduce cost.
Illustrated continuing with Fig. 1, further, flow divider 5 also has inlet baffle 58 and outlet damper 53.Enter Mouth baffle plate 58 is moved for limits compression aspect 54 in sleeve member 57, and it is installed on the end of sleeve member 57.Inlet baffle 58 is opened Provided with for making lubricating oil enter its second internal through hole 581 outside the one end of sleeve member 57.Outlet damper 53 is used to limit shifting Moving part 54 is moved in sleeve member 57, and it is installed at the other end of sleeve member 57.Outlet damper 53 is offered for making sleeve member The third through-hole 531 of 57 other ends and the outlet of flow divider 5.End at the other end of close sleeve member 57 of moving member 54 Set with the inwall of sleeve member 57 in spacing, it is another in plurality of passages 51 during make it that moving member 54 is fitted with the other end of sleeve member 57 A part remains in that path.That is, the 51B closings in plurality of passages 51,51A keeps path.
Wherein, the label 19 in accompanying drawing 1 is the casing of gearbox, and label 18 is the lubricant oil way towards double clutch 4.
Preferably, moving member 54 is multi-diameter shaft, the diameter of moving member 54 by the other end of sleeve member 57 towards sleeve member 57 Increase successively on the direction of one end, and moving member 54 is with three sections of trunk portion.
Preferably, the one end of sleeve member 57 is set towards entrance, in order to which lubricating oil is rapidly entered in the one end of sleeve member 57.Need It should be noted that moving member 54 can be valve element.
Inlet baffle 58 and outlet damper 53 are real respectively by the second through hole 581 and third through-hole 531 that open up thereon The one end of sleeve member 57 can be entered by having showed limits compression aspect 54 to move in sleeve member 57, and lubricating oil being effectively ensured simultaneously Place simultaneously promotes moving member 54 to move, and moving member 54 is when being moved to the other end of sleeve member 57 and being fitted with it, plurality of passages 51 In another part remain in that path.
Illustrated continuing with Fig. 1, further, the breakthrough part 52 positioned at porch is with three sections of different-diameters Shoulder hole, its diameter is successively decreased successively by entrance towards outlet, the interlude in the shoulder hole of sleeve member 57 and three sections of different-diameters It is engaged；
Inlet baffle 58 and the riveting of valve body 56 of porch are fixed.
Due to shoulder hole self structure so that it is easy to position sleeve member 57, so as to facilitate sleeve member 57 installation is fixed, and accurate positioning.And the convenient processing and manufacturing of shoulder hole.
Illustrated with reference to Fig. 2, further, driving member 2 includes motor, for transmitting motor power Multiple gears and multiple bearings for reducing frictional force in multiple gears transmission motor dynamic processes.Lubricating oil is passed through Cross tie point 21 and flow to multiple gears, lubricating oil flows to multiple bearings by the second branch road 22.
Proceed explanation with reference to Fig. 2, further, in the system, the pump housing 13 is electric hydraulic pump.Positioned at oil sump 11 with Oil suction filter is installed at the interconnecting part between the pump housing 13.Cooling is sequentially installed with by the connectivity part of the pump housing 13 to double clutch 4 Device and force feed filter.
Proceed explanation with reference to Fig. 2, further, in the system, flow divider 5 is pipe head-like structure, and is installed on pump Outside the exit of body 13 or the casing of gearbox.
Proceed explanation with reference to Fig. 2, further, in the system, the lubricating oil stream that the increase of the pump housing 13 enters in system The action response of amount is when gearbox shifting or in the engine driving and double clutch 4 of vehicle and in driving member 2 Lubricating oil temperature be higher than setting value when.
Illustrated with reference to Fig. 3, when vehicle is driven by motor, whole gearbox need not too big lubricating oil stream Amount (is generally less than 3L/min), but driving member 2 may need up to 1.5L/min flow of lubrication.At this moment the pump housing 13 is pressed Power is low, and moving member 54 is parked in right position in the presence of elastic component 55.The lubricating oil that the pump housing 13 is exported is through a plurality of on sleeve member 57 Passage 51 flows to driving member 2.The area of passage of plurality of passages 51 can make the lubrication flow Q of driving member 2hReach the pump housing 13 flow QpPredetermined ratio k1, i.e.,：
Qh=k1Qp Qp＜ Qo
k1It is the lubrication large shunt ratio of driving member 2, generally 0.2~0.5.
QoIt is the proportion switch pump discharge of flow divider 5, that is, flows to the flow of double clutch 4, generally 3~10L/ min。
In gearbox shifting, or vehicle is by engine driving and during Lubricating Oil Temperature superelevation, the friction plate of double clutch 4 Larger flow (generally higher than 10L/min) is needed to cool down.Gear box control unit can the increase flow of lubrication of the order pump housing 13. Because the outlet of the pump housing 13 oil duct has certain flow resistance, when 13 flow increase of the pump housing, its outlet pressure can also increase.The pump housing 13 After pressure rise, as shown in figure 1, the lubricating oil pressure for acting on the right-hand member of moving member 54 overcomes the elastic force of elastic component 55, make shifting Moving part 54 is moved to left.As shown in figure 1, the moving member 54 for moving to left position closes a part for plurality of passages 51, plurality of passages is only stayed 51 another part is to driving member 2 for flowing.Due to keeping the reduction of path in plurality of passages 51, driving member 2 is supplied Flow greatly reduce (be generally less than 0.3L/min), most of flow of lubrication is distributed into double clutch 4, it is ensured that not The situation double clutch 4 of the increase power of the pump housing 13 has enough lubrications, cooling flow.
The area of passage of plurality of passages 51 can make the lubrication flow Q of driving member 2hReach pump discharge QpPredetermined ratio k2, i.e.,
Qh=k2Qp Qp＞ Qo
Wherein, k2It is the small shunt ratio of lubrication of driving member 2, generally 0.03~0.1.
The shunt ratio switching pump discharge Q of the flow divider 5oAbout 6L/min.When the flow of the pump housing 13 is less than QoWhen, shunting The lubricating oil output flow of about 22% pump housing 13 is given mixed dynamic component by valve 5.And when the lubricating oil output flow of the pump housing 13 is big In QoWhen, about 3% lubricating oil output flow is only given driving member 2 by flow divider 5, double clutch 4 is obtained about 97% Lubricating oil output flow so that ensure its cooling, lubrication.
In summary, flow divider can automatically select the profit for being supplied to driving member 2 according to the flow or pressure of the pump housing 13 Oil flow Qh.Double clutch is met in the case where not increasing the flow of the pump housing 13 and the respective maximum of mixed dynamic component will for stream Ask.The power loss that the increase flow of the pump housing 13 is brought is avoided, unnecessary electric control element is also saved.
In accompanying drawing 2, label 21 and 22 can also be hydraulic throttle hole, moisten for adjusting between multiple bearings and multiple gears Oil flow is distributed.
So far, although those skilled in the art will appreciate that detailed herein show that 3 go out and describe the multiple of the present invention to show Example property embodiment, still, still can be direct according to present disclosure without departing from the spirit and scope of the present invention It is determined that or deriving many other variations or modifications for meeting the principle of the invention.Therefore, the scope of the present invention is understood that and recognized It is set to and covers other all these variations or modifications.

Claims (10)

1. a kind of flow divider for vehicle, the vehicle is the electric drive motor vehicle driven by mixed power with double clutch gearbox, The flow divider is used to adjust the lubricating oil stream flowed between double clutch driving member corresponding to the gearbox Amount, the flow divider is installed on towards at the lubricant oil way of the driving member,
The flow divider includes：
Valve body, it is internally formed breakthrough part, and one end of the breakthrough part is entrance, and the other end is and exported；
Plurality of passages, respectively with the entrance and the outlet, for making lubricating oil be circulated to the driving member Lubricant oil way；
Moving member, is installed in the breakthrough part, passes through the mobile part closing made in a plurality of passage or path, institute The movement of moving member is stated in response to the lubricating oil pressure towards the driving member；And
Elastic component, being installed at the moving member can promote its movement to reset, and the pressure of the lubricating oil can be more than The elastic force of the elastic component；
Wherein, when the lubricating oil pressure is more than the elastic force of the elastic component, the moving member is promoted by the lubricating oil to be made A part in a plurality of passage is closed, and another part in a plurality of passage keeps path；Or,
When the lubricating oil pressure is less than the elastic force of the elastic component, the moving member makes a plurality of institute by the resilient element urges The part in passage is stated to recover and keep path.
2. flow divider according to claim 1, it is characterised in that the flow divider also has sleeve member, for limiting State moving member to move along the axial reciprocating of the sleeve member inside it, the sleeve member is installed in the breakthrough part, institute The outer wall of the breakthrough part inwall and the sleeve member end of stating flow divider porch is provided with cavity, and the lubricating oil can Into one end of the sleeve member with so as to promote axial movement of the moving member along the sleeve member, the set It is connected inside the other end of barrier part with the outlet of the breakthrough part；
The plurality of passages is the multiple first through hole for being opened in sleeve member side wall, and the plurality of passages is set at least two groups Put, described at least two groups are sequentially set along the moving direction of the moving member, and the plurality of passages can be by the sleeve member It is connected inside the other end with the breakthrough part at the cavity,
The moving member is cylindrical member, and it is engaged with the sleeve member；
Preferably, plurality of passages described in every group is set around the circumference of the sleeve member；
Preferably, the plurality of passages is in two groups of settings, and one group in described two groups is a first through hole, and in close to institute It is two first through hole opened up around the sleeve member circumference to state another group in the setting of the sleeve member other end, described two groups, And set in away from the sleeve member other end.
3. flow divider according to claim 2, it is characterised in that the flow divider also has
Inlet baffle, is moved for limiting the moving member in the sleeve member, and it is installed on the sleeve member end, institute Inlet baffle is stated to offer for making the lubricating oil enter its second internal through hole outside described sleeve member one end；And
Outlet damper, is moved for limiting the moving member in the sleeve member, and it is installed at the sleeve member other end, The outlet damper is offered for making the third through-hole of the sleeve member other end and the outlet of the flow divider；
End at the close sleeve member other end of the moving member is set with the sleeve member inwall in spacing, to cause Another part when moving member is fitted with the sleeve member other end in the plurality of passages remains in that path；
Preferably, the elastic component is spring part, and it is connected with the moving member and the sleeve member other end；
Preferably, the moving member is multi-diameter shaft, the diameter of the moving member by the sleeve member other end towards the set Increase successively on the direction of barrier part one end, and the moving member is with three sections of trunk portion；
Preferably, described sleeve member one end is set towards the entrance, in order to which the lubricating oil rapidly enters the sleeve member In one end.
4. the flow divider according to Claims 2 or 3, it is characterised in that the breakthrough part positioned at the porch is tool Have the shoulder hole of three sections of different-diameters, its diameter by the entrance towards it is described outlet successively decrease successively, the sleeve member with it is described Interlude in the shoulder hole of three sections of different-diameters is engaged；
The inlet baffle and the valve body riveting of the porch are fixed.
5. flow divider according to any one of claim 1 to 4, it is characterised in that the driving member includes driving Motor, multiple gears for transmitting the motor power and for reducing the multiple gear transmission driving electricity Multiple bearings of frictional force during mechanomotive force.
6. a kind of hydraulic system of lubrication with flow divider any one of claim 1 to 5, the hydraulic system of lubrication tool Have
Oil sump, for providing lubricating oil for the system；
The pump housing, for driving the lubricating oil to enter in the double clutch and in the driving member, and adjusts entrance The flow of lubrication in the system, pump housing entrance is connected with the oil sump, pump housing outlet respectively with described pair of clutch Device and the driving member are connected；And
The flow divider, the flow of lubrication between the double clutch and the driving member is flowed to for regulation, and it is pacified The lubricating oil is driven to enter at the interconnecting part of the driving member loaded on the pump housing.
7. hydraulic system of lubrication according to claim 6, it is characterised in that the pump housing is electric hydraulic pump, positioned at institute State and oil suction filter is installed at the interconnecting part between oil sump and the pump housing, by the connectivity part of the pump housing to the double clutch It is sequentially installed with cooler and force feed filter.
8. the hydraulic system of lubrication according to claim 6 or 7, it is characterised in that the flow divider is pipe head-like structure, and Outside the casing for being installed on the exit of the pump housing or the gearbox,
Preferably, the flow divider is L shape pipe head-like structures, and the breakthrough part is L shape pipelines；
Preferably, the flow divider is connected through a screw thread mode and is installed on the exit of the pump housing or the case of the gearbox In vitro.
9. the hydraulic system of lubrication according to any one of claim 6 to 8, it is characterised in that the pump housing increase enters The action response of the flow of lubrication in the system when gearbox shifting or the vehicle engine drive When being higher than setting value with the temperature of the lubricating oil in the driving member in dynamic and described double clutch.
10. the hydraulic system of lubrication according to any one of claim 6 to 9, it is characterised in that the gearbox be with Seven grades of electric drive hybrid power gearboxes of double clutch.
CN201710170013.7A 2017-03-21 2017-03-21 A kind of flow divider and its hydraulic system of lubrication for vehicle Active CN106969251B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110566596A (en) * 2018-06-06 2019-12-13 博格华纳公司 Clutch system and transmission comprising same

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2921796A1 (en) * 1978-05-30 1979-12-06 Sundstrand Corp DELAY VALVE FOR A HYDRAULIC CIRCUIT
US4621544A (en) * 1984-06-28 1986-11-11 Tran-Saver, Inc. Adjustable fully automatic vacuum modulator control for automatic transmission having a vacuum modulator
EP0295466A2 (en) * 1987-06-13 1988-12-21 Messerschmitt-Bölkow-Blohm Gesellschaft mit beschränkter Haftung Valve for controlling the oil temperature of a drive mechanism
CN2234535Y (en) * 1995-02-21 1996-09-04 陈志坚 Piston type flow divider valve
CN1462843A (en) * 2003-06-17 2003-12-24 浙江大学 Steady flow valve
JP2004183818A (en) * 2002-12-04 2004-07-02 Shimadzu Corp Flow control valve
US20080066462A1 (en) * 2006-09-20 2008-03-20 Wong Albert C Vehicular hydraulic system with pressure dump valve
CN103591283A (en) * 2012-08-14 2014-02-19 腓特烈斯港齿轮工厂股份公司 Device for providing the oil supply of a secondary circuit of a transmission of a hybrid driveline of a motor vehicle
CN204284571U (en) * 2014-08-27 2015-04-22 盛瑞传动股份有限公司 A kind of flow control valve
CN105909770A (en) * 2016-06-17 2016-08-31 福士汽车零部件（济南）有限公司 Flow control device for lubricating system of dual-clutch transmission

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2921796A1 (en) * 1978-05-30 1979-12-06 Sundstrand Corp DELAY VALVE FOR A HYDRAULIC CIRCUIT
US4621544A (en) * 1984-06-28 1986-11-11 Tran-Saver, Inc. Adjustable fully automatic vacuum modulator control for automatic transmission having a vacuum modulator
EP0295466A2 (en) * 1987-06-13 1988-12-21 Messerschmitt-Bölkow-Blohm Gesellschaft mit beschränkter Haftung Valve for controlling the oil temperature of a drive mechanism
CN2234535Y (en) * 1995-02-21 1996-09-04 陈志坚 Piston type flow divider valve
JP2004183818A (en) * 2002-12-04 2004-07-02 Shimadzu Corp Flow control valve
CN1462843A (en) * 2003-06-17 2003-12-24 浙江大学 Steady flow valve
US20080066462A1 (en) * 2006-09-20 2008-03-20 Wong Albert C Vehicular hydraulic system with pressure dump valve
CN103591283A (en) * 2012-08-14 2014-02-19 腓特烈斯港齿轮工厂股份公司 Device for providing the oil supply of a secondary circuit of a transmission of a hybrid driveline of a motor vehicle
CN204284571U (en) * 2014-08-27 2015-04-22 盛瑞传动股份有限公司 A kind of flow control valve
CN105909770A (en) * 2016-06-17 2016-08-31 福士汽车零部件（济南）有限公司 Flow control device for lubricating system of dual-clutch transmission

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110566596A (en) * 2018-06-06 2019-12-13 博格华纳公司 Clutch system and transmission comprising same

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