CN107747628A - A kind of automatic transmission hydraulic valve assembly - Google Patents
A kind of automatic transmission hydraulic valve assembly Download PDFInfo
- Publication number
- CN107747628A CN107747628A CN201711045928.1A CN201711045928A CN107747628A CN 107747628 A CN107747628 A CN 107747628A CN 201711045928 A CN201711045928 A CN 201711045928A CN 107747628 A CN107747628 A CN 107747628A
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- China
- Prior art keywords
- valve
- control module
- gearshift
- control
- oil circuit
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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
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/0003—Arrangement or mounting of elements of the control apparatus, e.g. valve assemblies or snapfittings of valves; Arrangements of the control unit on or in the transmission gearbox
- F16H61/0009—Hydraulic control units for transmission control, e.g. assembly of valve plates or valve units
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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
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/0021—Generation or control of line pressure
- F16H61/0025—Supply of control fluid; Pumps therefore
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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
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/0021—Generation or control of line pressure
- F16H2061/0034—Accumulators for fluid pressure supply; Control thereof
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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
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/0021—Generation or control of line pressure
- F16H2061/0037—Generation or control of line pressure characterised by controlled fluid supply to lubrication circuits of the gearing
Abstract
The invention provides a kind of automatic transmission hydraulic valve assembly, the hydraulic valve assembly is arranged in the valve body cavity of case of transmission, it is and separate with transmission shaft toothed portion, the hydraulic valve assembly includes upper valve body, central dividing plate and the lower valve body being sequentially connected by connector, and the oilhole communicated with the oil circuit on the upper valve body and the lower valve body is provided with the central dividing plate；Accumulator, motor, the first gearshift control module, pressure control module, flow-control module and the second gearshift control module are provided with the upper valve body, electrodynamic pump is provided with the lower valve body.The hydraulic valve assembly of the present invention can ensure low leakage, hydraulic power utilization rate height and easy cleaning.
Description
Technical field
The present invention relates to a kind of hydraulic valve assembly, more particularly to a kind of automatic transmission hydraulic valve assembly.
Background technology
Existing automatic transmission hydraulic valve assembly generally include valve body, demarcation strip, pilot solenoid valve, guiding valve, spring,
Wire harness and other annexes.The working method of hydraulic valve assembly is the letter that pilot solenoid valve is sent according to transmission control unit
Number, the position of pilot controlled slide valve, so as to adjust the pressure of oil circuit, the flow direction and flow of hydraulic oil are controlled, is realized to clutch
Engagement, gear switching and the control of cooling and lubricating oil mass, such design cause to control hydraulic fluid leak larger；It is existing automatic
The hydraulic power of transmission pressure valve body assembly is provided by driven by engine mechanical oil pump, and such design causes mechanical oil pump defeated
Outflow is much larger than valve body assembly demand volume, causes very big pump oil loss；Other existing automatic transmission hydraulic valve
The control oil circuit and transmission shaft tooth cooling and lubricating of body assembly are same oil sources, the more difficult control of cleannes, easily cause the stifled of guiding valve
Plug and damage.
The content of the invention
For above-mentioned technical problem, the present invention provides a kind of automatic transmission hydraulic valve assembly, the hydraulic valve assembly
Low leakage, hydraulic power utilization rate height and easy cleaning can be ensured.
The technical solution adopted by the present invention is：
The embodiment of the present invention provides a kind of automatic transmission hydraulic valve assembly, and the hydraulic valve assembly is arranged on speed change
In the valve body cavity of device housing, and separate with transmission shaft toothed portion, the hydraulic valve assembly include by connector according to
Upper valve body, central dividing plate and the lower valve body of secondary connection, it is provided with and the upper valve body and the lower valve body on the central dividing plate
On the oilhole that communicates of oil circuit；Accumulator, motor, the first gearshift control module, Stress control mould are provided with the upper valve body
Block, flow-control module and the second gearshift control module, the accumulator and the motor are arranged on the centre of the upper valve body
Position, the first gearshift control module and the pressure control module are arranged on the leftward position of the upper valve body, the stream
Amount control module and the second gearshift control module are arranged on the right positions of the upper valve body；It is provided with the lower valve body
Electrodynamic pump, the electrodynamic pump rotates with the rotation of the motor, for the oil of the valve body cavity to be sucked into the storage
Can device；The first gearshift control module includes the first gearshift control module valve pocket and installed in the described first gearshift control module
The first gearshift control magnetic valve in valve pocket, the oil from the first oil sources sequentially enter described first through Stress control oil circuit of shifting gears
Control module of shifting gears valve pocket, the first gearshift control magnetic valve and the first gearshift control oil circuit, to perform corresponding gearshift behaviour
Make；The second gearshift control module includes the second gearshift control module valve pocket and installed in the described second gearshift control module valve
The second gearshift control magnetic valve in set, the oil from the first oil sources sequentially enter described second through Stress control oil circuit of shifting gears and changed
Control module valve pocket, the second gearshift control magnetic valve and the second gearshift control oil circuit are kept off, to perform corresponding gear shift operation；
The pressure control module includes pressure control module valve pocket and the Stress control in the pressure control module valve pocket
Magnetic valve, accumulator outlet oil circuit of the oil from the first oil sources through being formed in the lower valve body sequentially enter the pressure control
Molding block valve pocket, the electromagnetic pressure control valve, clutch control oil and gearshift Stress control oil circuit, to perform clutch
The regulation of handover operation and gearshift pressure；The flow-control module includes flow-control module valve pocket and installed in the flow
Flow control electromagnetic valve in control module valve pocket, the oil from the second oil sources go out through forming the cooler on the upper valve body
Mouthful oil circuit flows into flow-control module valve pocket, flow control electromagnetic valve and lubrication control stream successively, with perform lubrication from
Clutch and axle tooth.
Alternatively, the first gearshift control magnetic valve, the second gearshift control magnetic valve, the electromagnetic pressure control
Valve and the flow control electromagnetic valve are direct-acting electromagnetic valve.
Alternatively, the first gearshift control module includes the first gearshift control module valve pocket, two or five gear gearshift control electricity
Magnet valve and parking control magnetic valve, two or the five gear gearshift control magnetic valve and parking control magnetic valve are inserted into described first and changed
Keep off in control module valve pocket, the first gearshift control oil circuit includes two or five gear oil circuits and parking oil circuit；The first gearshift control
One end of the shared P mouths of molding block valve pocket controls the P mouths of magnetic valve simultaneously with described 25 gear gearshift control magnetic valves and parking
Communicate, the other end communicates with gearshift Stress control oil circuit, the independent A mouths of the first gearshift control module valve pocket, one end of B mouths
Communicated respectively with A mouths, the B mouths of described 25 gear gearshift control magnetic valves and parking control magnetic valve, the other end and two or five gear oil
Road, parking oil circuit communicate respectively.
Alternatively, the second gearshift control module includes the second gearshift control module valve pocket, one or three gear gearshift control electricity
Magnet valve and four gear gearshift control magnetic valves, two gearshift control magnetic valves are inserted into the second gearshift control module valve pocket,
The second gearshift control oil circuit includes one or three gear oil circuits and four gear oil circuits；The shared P of the second gearshift control module valve pocket
Mouthful one end control the P mouths of magnetic valves to communicate simultaneously with two gearshifts, the other end communicates with Stress control oil circuit of shifting gears, described the
The independent A mouths of two gearshift control module valve pockets, one end of B mouths communicate respectively with A mouths, the B mouths of two gearshift control magnetic valves, separately
One end communicates respectively with one or three gear oil circuits, four gear oil circuits.
Alternatively, the pressure control module includes pressure control module valve pocket, C0 clutch control ratio pressure electromagnetism
Valve, C2 clutch control ratio pressures magnetic valve, C1 clutch control ratio pressure magnetic valves and gearshift Stress control ratio pressure
Power magnetic valve, four ratio pressure magnetic valves are inserted into the pressure control module valve pocket, the clutch control oil bag
Include C0 clutch control oils, C1 clutch control oils and C2 clutch control oils；The pressure control module valve pocket
The one end for sharing P mouths communicates simultaneously with the P mouths of four ratio pressure magnetic valves, and the other end communicates with accumulator outlet oil circuit, institute
The one end for stating the independent A mouths of pressure control module valve pocket communicates respectively with the A mouths of four ratio pressure magnetic valves, and the other end is with changing
Gear Stress control oil circuit, C0 clutch control oils, C1 clutch control oils and C2 clutch control oils communicate respectively.
Alternatively, the flow-control module includes flow-control module valve pocket, C1 clutch lubrication proportional flow electromagnetism
Valve, C2 clutch lubrication proportional flows magnetic valve, axle tooth lubrication ratio flow solenoid valve and C0 clutch lubrications proportional flow electricity
Magnet valve, four proportional flow magnetic valves are inserted into the flow-control module valve pocket, it is described lubrication control oil circuit include C0 from
Clutch lubricant passage way, C1 clutch lubrications oil circuit, C2 clutch lubrications oil circuit and axle tooth lubricant passage way；The flow-control module
One end of the shared P mouths of valve pocket communicates simultaneously with the P mouths of four proportional flow magnetic valves, the other end and cooler outlet oil circuit phase
Logical, one end of the independent A mouths of the flow-control module valve pocket communicates respectively with the A mouths of four proportional flow magnetic valves, another
End communicates respectively with C0 clutch lubrications oil circuit, C1 clutch lubrications oil circuit, C2 clutch lubrications oil circuit and axle tooth lubricant passage way.
Alternatively, the accumulator is piston accumulator；The entrance of the accumulator is with forming on the upper valve body
Accumulator entrance oil circuit communicate, the accumulator outlet with formed in the lower valve body accumulator outlet oil circuit phase
It is logical.
Alternatively, the input shaft of the electrodynamic pump is connected with the output shaft axis weight merga pass shaft coupling of the motor,
The entrance and exit of the electrodynamic pump is respectively with forming the electronic pump intake oil circuit in the lower valve body and being formed in the upper valve
Electronic pump discharge oil circuit on body communicates.
Alternatively, unloading valve in parallel on the electronic pump discharge oil circuit.
Alternatively, pressure sensor and cleaner are additionally provided with the upper valve body；The oil filled port of the pressure sensor
Communicated with pressure sensor oil circuit；The cleaner is connected by sealing ring with lower valve body, and the oilhole through central dividing plate is consolidated
It is scheduled on the upper valve body, the entrance of the cleaner communicates with electronic pump discharge oil circuit, and outlet exports oil circuit phase with cleaner
It is logical.
Automatic transmission hydraulic valve assembly provided in an embodiment of the present invention, valve body assembly is individually designed out, it is divided into
Upper valve body, central dividing plate and lower valve body three parts, machining are easier, and assembling is simpler, it is possible to increase the cleannes of oil sources, subtracts
The risk of small magnetic valve damage, extends valve body assembly service life.Further, since there is provided the accumulation of energy that can store oil
Device so that electrodynamic pump energy discontinuous operation, hydraulic power is provided on demand, substantially increases hydraulic power utilization rate.
Brief description of the drawings
Fig. 1 is a kind of automatic transmission hydraulic valve assembly structure schematic diagram provided by the invention；
Fig. 2 is valve body assembly top view shown in Fig. 1；
Fig. 3 is motor shown in Fig. 1 and electrodynamic pump attachment structure schematic diagram；
Fig. 4 is valve body assembly totality oil duct schematic diagram shown in Fig. 1；
Fig. 5 is the gearshift control oil duct schematic diagram of valve body assembly shown in Fig. 1；
Fig. 6 is valve body assembly clutch control oil duct schematic diagram shown in Fig. 1；
Fig. 7 is valve body assembly oil leab schematic diagram shown in Fig. 1；
Fig. 8 is valve body assembly shown in Fig. 1 and case of transmission attachment structure schematic diagram.
(description of reference numerals)
1st, upper valve body；2nd, central dividing plate；3rd, lower valve body；4th, accumulator；5th, motor；6th, electrodynamic pump；
7th, the first gearshift control module；8th, pressure control module；9th, flow-control module；
10th, the second gearshift control module；11st, flow-control module valve pocket；
12nd, the second gearshift control module valve pocket；13rd, pressure control module valve pocket；
14th, the first gearshift control module valve pocket；15th, C1 clutch lubrications proportional flow magnetic valve；
16th, C2 clutch lubrications proportional flow magnetic valve；17th, axle tooth lubrication ratio flow solenoid valve；
18th, C0 clutch lubrications proportional flow magnetic valve；19th, one or three gear gearshift control magnetic valve；
20th, four gear gearshift control magnetic valve；21st, C0 clutch controls ratio pressure magnetic valve；
22nd, C2 clutch controls ratio pressure magnetic valve；23rd, C1 clutch controls ratio pressure magnetic valve；
24th, gearshift Stress control ratio pressure magnetic valve；25th, two or five gear gearshift control magnetic valve；
26th, parking control magnetic valve；27th, pressure sensor；28th, shaft coupling；29th, unloading valve；
30th, check valve；31st, cleaner；32nd, electronic pump intake oil circuit；33rd, electronic pump discharge oil circuit；
34th, cleaner outlet oil circuit；35th, accumulator entrance oil circuit；36th, accumulator entrance；
37th, accumulator exports；38th, accumulator outlet oil circuit；39th, gearshift Stress control oil circuit；
40th, two or five gear oil circuit；41st, parking oil circuit；42nd, one or three gear oil circuit；43rd, four gear oil circuit；
44th, C0 clutch control oils；45th, C1 clutch control oils；
46th, C2 clutch control oils；47th, pressure sensor oil circuit；48th, cooler entrance oil circuit；
49th, cooler outlet oil circuit；50th, C0 clutch lubrications oil circuit；51st, C1 clutch lubrications oil circuit；
52nd, C2 clutch lubrications oil circuit；53rd, axle tooth lubricant passage way；54th, case of transmission；
55th, valve body side cover.
Embodiment
To make the technical problem to be solved in the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing and tool
Body embodiment is described in detail.
Fig. 1 is a kind of automatic transmission hydraulic valve assembly structure schematic diagram provided by the invention；Fig. 2 is valve shown in Fig. 1
Body assembly top view；Fig. 3 is motor shown in Fig. 1 and electrodynamic pump attachment structure schematic diagram；Fig. 4 is that valve body assembly shown in Fig. 1 is overall
Oil duct schematic diagram；Fig. 5 is the gearshift control oil duct schematic diagram of valve body assembly shown in Fig. 1；Fig. 6 is valve body assembly clutch shown in Fig. 1
Control oil duct schematic diagram；Fig. 7 is valve body assembly oil leab schematic diagram shown in Fig. 1；Fig. 8 is valve body assembly and speed change shown in Fig. 1
Device casing connecting structure schematic diagram.
As shown in Figures 1 to 8, the embodiment of the present invention provides a kind of automatic transmission hydraulic valve assembly, the hydraulic valve
Body assembly is arranged in the valve body cavity of case of transmission 54, and separate with transmission shaft toothed portion, valve body assembly control oil
Sealed between way outlet and case of transmission oil-passage inlet with sealing ring, valve body side cover 55 is connected with bolt with case of transmission 54.
The hydraulic valve assembly includes upper valve body 1, central dividing plate 2 and the lower valve body 3 being sequentially connected by connector, the middle interval
The oilhole communicated with the oil circuit in the upper valve body 1 and the lower valve body 3 is provided with plate 2；Storage is provided with the upper valve body 1
Can device 4, the gearshift of motor 5, first control module 7, pressure control module 8, the gearshift control module of flow-control module 9 and second
10, the accumulator 4 and the motor 5 are arranged on the centre position of the upper valve body, the first gearshift control module 7 and institute
State the leftward position that pressure control module 8 is arranged on the upper valve body 1, the flow-control module 9 and the second gearshift control
Molding block 10 is arranged on the right positions of the upper valve body；Electrodynamic pump 6 is provided with the lower valve body 3, the electrodynamic pump 6 is with institute
State the rotation of motor 5 and rotate together, for the oil of the valve body cavity to be sucked into the accumulator；The first gearshift control
Module 7 includes the first gearshift control module valve pocket 14 and the first gearshift in the described first gearshift control module valve pocket 14
Magnetic valve is controlled, the oil from the first oil sources sequentially enters the first gearshift control module valve through Stress control oil circuit 39 of shifting gears
Set 14, the first gearshift control magnetic valve and the first gearshift control oil circuit, to perform corresponding gear shift operation；Described second changes
Keeping off control module 10 includes the second gearshift control module valve pocket 12 and in the described second gearshift control module valve pocket 12
Second gearshift control magnetic valve, the oil from the first oil sources sequentially enter second gearshift through Stress control oil circuit 39 of shifting gears and controlled
12 sets of modular valve, the second gearshift control magnetic valve and the second gearshift control oil circuit processed, to perform corresponding gear shift operation；Institute
Stating pressure control module 8 includes pressure control module valve pocket 13 and the pressure control in the pressure control module valve pocket 13
Magnetic valve processed, accumulator outlet oil circuit 38 of the oil from the first oil sources through being formed in the lower valve body sequentially enter the pressure
Power control module valve pocket 13, the electromagnetic pressure control valve, clutch control oil and gearshift Stress control oil circuit, with perform from
The handover operation of clutch and gearshift pressure regulation；The flow-control module 9 includes flow-control module valve pocket 11 and is arranged on
Flow control electromagnetic valve in the flow-control module valve pocket 11, the oil from the second oil sources is through forming on the upper valve body
Cooler outlet oil circuit flow into successively flow-control module valve pocket 11, flow control electromagnetic valve and lubrication control stream, to hold
Row lubrication clutch and axle tooth.So, the control oil circuit and speed changer of automatic transmission hydraulic valve assembly of the invention
Axle tooth cooling and lubricating is different oil sources, so, it is possible to be easily controlled cleannes and cannot be easily caused the blocking and damage of guiding valve.
In the present invention, it is sequentially connected between upper valve body 1, central dividing plate 2 and lower valve body 3 by bolt.The accumulator 4
It can be piston accumulator, be connected by screw thread with upper valve body 1, as shown in figure 4, the entrance 36 of the accumulator 4 is with forming
Accumulator entrance oil circuit 35 on the upper valve body communicates, and the outlet 37 of the accumulator is with forming the storage in the lower valve body
Energy device outlet oil circuit 38 communicates.Motor 5 is connected by bolt with the flange face on upper valve body 1, and electrodynamic pump 6 passes through bolt and lower valve
Flange face connection on body 3, as shown in Figure 3 and Figure 4, the input shaft of electrodynamic pump 6 and the output shaft axis of motor 5 weight merga pass shaft coupling
Device 28 connects, and the inlet port of electrodynamic pump 6 communicates with electronic pump intake oil circuit 32, electronic pump discharge oil circuit 33 respectively, such as Fig. 4 institutes
Show, electronic pump intake oil circuit 32 is formed in lower valve body 3, and electronic pump discharge oil circuit 33 is formed on upper valve body 1.Described electronic
Unloading valve 29 in parallel on pump discharge oil circuit 33, to play oil pressure relief protective effect.Voltage pump 6 in the present invention is high-pressure pump,
For sucking hydraulic oil.
In one exemplary embodiment of the invention, the first gearshift control magnetic valve, the second gearshift control
Magnetic valve, the electromagnetic pressure control valve and the flow control electromagnetic valve are direct-acting electromagnetic valve, can reduce hydraulic oil and let out
Leakage, improve control accuracy.
Specifically, in the present invention, as shown in Figure 2 and Figure 5, the first gearshift control module 7 is located at the top of upper valve body 1
The upper left corner, it is connected by bolt with the left side vertical plate of upper valve body 1, including the first gearshift control module valve pocket 14,25 keeps off gearshift control
Magnetic valve 25 processed and parking control magnetic valve 26, two or the five gear gearshift control magnetic valve 25 and parking control magnetic valve 26 insert
In the described first gearshift control module valve pocket 14, the first gearshift control oil circuit includes two or five gear oil circuits 40 and parking oil circuit
41；One end of the shared P mouths of the first gearshift control module valve pocket and described 25 gear gearshift control magnetic valves 25 and parking
The P mouths of control magnetic valve 26 communicate simultaneously, and the other end communicates with gearshift Stress control oil circuit 39, the first gearshift control module
The independent A mouths of valve pocket 14, one end of B mouths and the A mouths of described 25 gear gearshift control magnetic valves 25 and parking control magnetic valve 26,
B mouths communicate respectively, and the other end communicates respectively with two or five gear oil circuits 40, parking oil circuit 41.As shown in figure 5, two or the five gear shapes of oil circuit 40
Into the portion that on upper valve body 1, gearshift Stress control oil circuit 39 and parking oil circuit 41 communicate with the first gearshift control module valve pocket 14
Divide on upper valve body 1, remainder is located in lower valve body 3.So, the gearshift performed by the first gearshift control module 7 is grasped
Work includes two or five gear gearshifts and parking operation.
The second gearshift control module 10 is located at the top lower right corner of upper valve body 1, passes through bolt and the right side riser of upper valve body 1
Connection, including the second gearshift control module valve pocket 12,1 keep off the gearshift control gear gearshift control magnetic valve 20 of magnetic valve 19 and four,
Two gearshift control magnetic valves are inserted into the second gearshift control module valve pocket 12, and the second gearshift control oil circuit includes
One or three gear oil circuits 42 and four keep off oil circuit 43；One end of the shared P mouths of the second gearshift control module valve pocket 12 and two gearshifts
The P mouths of control magnetic valve communicate simultaneously, and the other end communicates with gearshift Stress control oil circuit 39, the second gearshift control module valve
The independent A mouths of set 12, one end of B mouths communicate respectively with A mouths, the B mouths of two gearshift control magnetic valves, the other end and one or three gear oil
Road 42, four keeps off oil circuit 43 and communicated respectively.As shown in figure 5, one or three gear oil circuits 42 and four keep off the gearshift control module of oil circuit 43 and second
The part that valve pocket 12 communicates is located on upper valve body 1, and remainder is located in lower valve body 3.So, the second gearshift control module is passed through
10 gear shift operations performed include one or three gears, four gear gear shift operations.
The pressure control module 8 is located at the top lower left corner of upper valve body 1, is connected by bolt with the left side vertical plate of upper valve body 1,
Including pressure control module valve pocket 13, C0 clutch control ratio pressures magnetic valve 21, C2 clutch control ratio pressure electromagnetism
Valve 22, C1 clutch control ratio pressures magnetic valve 23 and gearshift Stress control ratio pressure magnetic valve 24, four ratio pressures
Magnetic valve is inserted into the pressure control module valve pocket, the clutch control oil include C0 clutch control oils 44,
C1 clutch control oils 45 and C2 clutch control oils 46；One end of the shared P mouths of the pressure control module valve pocket with
The P mouths of four ratio pressure magnetic valves communicate simultaneously, and the other end communicates with accumulator outlet oil circuit 38, the pressure control module
One end of the independent A mouths of valve pocket communicates respectively with the A mouths of four ratio pressure magnetic valves, the other end and gearshift Stress control oil circuit
39th, C0 clutch control oils 44, C1 clutch control oils 45 and C2 clutch control oils 46 communicate respectively, C0 clutches
Control oil circuit 44, C1 clutch control oils 45 and C2 clutch control oils 46 respectively with C0 clutches, C1 clutches and C2
Clutch is connected.As shown in fig. 6, C0 clutch control oils 44, C1 clutch control oils 45 and C2 clutch controls oil
Road 46 is formed on upper valve body 1.
The flow-control module 9 is located at the top upper right corner of upper valve body 1, is connected by bolt with the right side riser of upper valve body 1,
Including flow-control module valve pocket 11, C1 clutch lubrication proportional flows magnetic valve 15, C2 clutch lubrication proportional flow electromagnetism
Valve 16, axle tooth lubrication ratio flow solenoid valve 17 and C0 clutch lubrication proportional flows magnetic valve 18, four proportional flow electromagnetism
Valve is inserted into the flow-control module valve pocket, and the lubrication control oil circuit includes C0 clutch lubrications oil circuit 50, C1 clutches
Device lubricant passage way 51, C2 clutch lubrications oil circuit 52 and axle tooth lubricant passage way 53；The shared P of the flow-control module valve pocket 11
One end of mouth communicates simultaneously with the P mouths of four proportional flow magnetic valves, and the other end communicates with cooler outlet oil circuit 49, the stream
One end of the independent A mouths of amount control module valve pocket 11 communicates respectively with the A mouths of four proportional flow magnetic valves, the other end and difference
C0 clutch lubrications oil circuit 50, C1 clutch lubrications oil circuit 51, C2 clutch lubrications oil circuit 52 and axle tooth lubricant passage way 53 are distinguished
Communicate.As shown in fig. 7, C0 clutch lubrications oil circuit 50, C1 clutch lubrications oil circuit 51, C2 clutch lubrications oil circuit 52 and axle tooth
The part that lubricant passage way 53 communicates with flow-control module valve pocket 11 is located on upper valve body 1, and remainder is located in lower valve body 3.
Further, pressure sensor 27 and cleaner 31 are additionally provided with the upper valve body 1.As shown in figures 1 to 6,
The pressure sensor 27 is located at the top of upper valve body 1, is connected by screw thread with upper valve body 1, its oil filled port and pressure sensor oil
Road 47 is communicated, as shown in fig. 6, the part of pressure sensor oil circuit 47 is formed on upper valve body 1, a part is formed in lower valve body 3
On；The cleaner 31 is located above lower valve body, is connected by sealing ring with lower valve body, the oilhole through central dividing plate 2 passes through
Cavity on upper valve body 1 is fixed, and the entrance of cleaner 31 communicates with electronic pump discharge oil circuit 33, outlet and cleaner outlet oil circuit
34 communicate, as shown in fig. 6, the initial segment of cleaner outlet oil circuit 34 is located in lower valve body 3, latter end is located on upper valve body 1.
The function of automatic transmission hydraulic valve assembly provided in an embodiment of the present invention is according to transmission control unit
Switching, the engagement of three clutches and the cooling and lubricating of axle tooth-like clutch of order control gear.Below in conjunction with accompanying drawing 5 to Fig. 7
These functions are introduced.
First, illustrate how valve body assembly realizes the switching of gear with reference to Fig. 5.As shown in figure 5, receiving gear switching
Order when, the driving electric pump 6 of motor 5 operates, and electrodynamic pump 6 is through the electronic oil suction out of valve body cavity of pump intake oil circuit 32, hydraulic oil
Enter cleaner 31 from the outlet of electrodynamic pump 6 by electronic pump discharge oil circuit 33, hydraulic oil passes through through cleaner outlet oil circuit 34
Check valve 30, accumulator entrance oil circuit 35 enter accumulator 4, and accumulator 4 makes working connection pressure keep constant after being full of hydraulic oil
And certain oil mass is provided as emergency power supply, it is possible to achieve electrodynamic pump discontinuous operation, reduce energy consumption, hydraulic oil is through accumulator
Outlet oil circuit 38 enters the P mouth phases that pressure control module valve pocket 13 shares P mouths and Stress control ratio pressure magnetic valve 24 of shifting gears
Logical, gearshift Stress control ratio pressure magnetic valve 24 acts, and hydraulic oil passes through pressure of shifting gears from the A mouths of ratio pressure magnetic valve 24
Oil circuit 39 is controlled to enter the shared P mouths of gearshift control module A valve pockets 14 and gearshift control module B valve pockets 12, so as to be changed with four
The P mouths of gear control magnetic valve 19,20,25,26 communicate；When needing a gear or three gears, one or three gear gearshift control magnetic valves 19 are dynamic
Make, its A mouth or B mouths are opened, and hydraulic oil enters gearshift by one or three gear oil circuits 42, and piston completes the switching of a gear or three gears；When
When needing two gears or five gears, two or five gear gearshift control magnetic valves 25 are acted, and its A mouth or B mouths are opened, and hydraulic oil passes through two or five and keeps off oil
Road 40 enters gearshift, and piston completes the switching of two gears or five gears；When needing four gears, four gear gearshift control magnetic valves 20 act,
Its A mouth or B mouths are opened, and hydraulic oil enters range piston by four gear oil circuits 43 and completes four switchings kept off；When needing parking, stay
Car control magnetic valve 26 is acted, and its A mouth or B mouths are opened, hydraulic oil by parking oil circuit 41 enter range piston complete parking or
Parking unlocks.
Then, illustrate how valve body assembly realizes the switching of clutch with reference to Fig. 6.Receiving clutch switching command
When, the driving electric pump 6 of motor 5 operates, and electrodynamic pump 6 is through the electronic oil suction out of valve body cavity of pump intake oil circuit 32, and hydraulic oil is from electronic
The outlet of pump 6 enters cleaner 31 by electronic pump discharge oil circuit 33, and hydraulic oil passes through check valve through cleaner outlet oil circuit 34
30th, accumulator entrance oil circuit 35 enters accumulator 4, and accumulator 4 makes working connection pressure keep constant and provided after being full of hydraulic oil
Certain oil mass is as emergency power supply, it is possible to achieve electrodynamic pump discontinuous operation, reduces energy consumption, hydraulic oil exports oil through accumulator
Road 38 enters pressure control module valve pocket 13 and shares P mouths and C0 clutch control ratio pressures magnetic valve 21, C2 clutch controls
The P mouths of ratio pressure magnetic valve 22 and C1 clutch control ratio pressures magnetic valve 23 communicate, when C0 clutches need engagement,
C0 clutch control ratio pressures magnetic valve 21 acts, A mouths open, hydraulic oil by C0 clutch control oils 44 enter C0 from
Clutch chamber completes engagement, while hydraulic oil communicates the prison for realizing pressure by pressure sensor oil circuit 47 with pressure sensor 27
Survey；When C1 clutches need engagement, C1 clutch control ratio pressures magnetic valve 23 is acted, and A mouths are opened, and hydraulic oil passes through C1
Clutch control oil 45 enters C1 clutch cavities and completes engagement, while hydraulic oil is passed by pressure sensor oil circuit 47 and pressure
Sensor 27 communicates the monitoring for realizing pressure；When C2 clutches need engagement, C2 clutch control ratio pressures magnetic valve 22 is dynamic
Make, A mouths are opened, and hydraulic oil enters C2 clutch cavities by C2 clutch control oils 46 and completes engagement, while hydraulic oil passes through
Pressure sensor oil circuit 47 communicates the monitoring for realizing pressure with pressure sensor 27.
Finally, illustrate how valve body assembly is realized to clutch and axle tooth lubrication with reference to Fig. 7.Ordered when receiving lubrication
When, low pressure oil enters from the low-pressure electric pump that case of transmission is installed through forming the cooler entrance oil circuit 48 on upper valve body 1
In the cooler of housing installation, flow-control module valve pocket 11 is entered by cooler outlet oil circuit 49 through overcooled low pressure oil
Share P mouths and C1 clutch lubrication proportional flows magnetic valve 15, C2 clutch lubrication proportional flows magnetic valve 16, axle tooth lubrication ratio
The P mouths of example flow solenoid valve 17 and C0 clutch lubrication proportional flows magnetic valve 18 communicate, when C0 clutches need lubrication, C0
Clutch lubrication proportional flow magnetic valve 18 is acted, and A mouths are opened, and low pressure oil enters C0 clutches through C0 clutch lubrications oil circuit 50
Lubricating cavity；When C1 clutches need lubrication, C1 clutch lubrication proportional flows magnetic valve 15 is acted, and A mouths are opened, low pressure oil warp
C1 clutch lubrications oil circuit 51 enters C1 clutch lubrication chambers；When C2 clutches need lubrication, C2 clutch lubrication ratio streams
Amount magnetic valve 16 is acted, and A mouths are opened, and low pressure oil enters C2 clutch lubrication chambers through C2 clutch lubrications oil circuit 52；When axle tooth needs
When lubricating, axle tooth lubrication ratio flow solenoid valve 17 is acted, and A mouths are opened, and low pressure oil warp beam tooth lubricant passage way 53 enters axle tooth
Chamber.
Embodiment described above, it is only the embodiment of the present invention, to illustrate technical scheme, rather than
It is limited, protection scope of the present invention is not limited thereto, although having been carried out in detail to the present invention with reference to the foregoing embodiments
Illustrate, it will be understood by those within the art that：Any one skilled in the art the invention discloses
In technical scope, it can still modify to the technical scheme described in previous embodiment or can readily occur in change, or
Person carries out equivalent substitution to which part technical characteristic；And these modifications, change or replacement, do not make appropriate technical solution
Essence departs from the spirit and scope of technical scheme of the embodiment of the present invention, should all be included within the scope of the present invention.Therefore,
Protection scope of the present invention described should be defined by scope of the claims.
Claims (10)
1. a kind of automatic transmission hydraulic valve assembly, it is characterised in that the hydraulic valve assembly is arranged on case of transmission
Valve body cavity in, and separate with transmission shaft toothed portion, the hydraulic valve assembly includes being sequentially connected by connector
Upper valve body, central dividing plate and lower valve body, be provided with and the oil on the upper valve body and the lower valve body on the central dividing plate
The oilhole that road communicates；Accumulator, motor, the first gearshift control module, pressure control module, flow are provided with the upper valve body
Control module and the second gearshift control module, the accumulator and the motor are arranged on the centre position of the upper valve body, institute
State the first gearshift control module and the pressure control module is arranged on the leftward position of the upper valve body, the flow controls mould
Block and the second gearshift control module are arranged on the right positions of the upper valve body；Electrodynamic pump is provided with the lower valve body,
The electrodynamic pump rotates with the rotation of the motor, for the oil of the valve body cavity to be sucked into the accumulator；
The first gearshift control module includes the first gearshift control module valve pocket and installed in the described first gearshift control module
The first gearshift control magnetic valve in valve pocket, the oil from the first oil sources sequentially enter described first through Stress control oil circuit of shifting gears
Control module of shifting gears valve pocket, the first gearshift control magnetic valve and the first gearshift control oil circuit, to perform corresponding gearshift behaviour
Make；
The second gearshift control module includes the second gearshift control module valve pocket and installed in the described second gearshift control module
The second gearshift control magnetic valve in valve pocket, the oil from the first oil sources sequentially enter described second through Stress control oil circuit of shifting gears
Control module of shifting gears valve pocket, the second gearshift control magnetic valve and the second gearshift control oil circuit, to perform corresponding gearshift behaviour
Make；
The pressure control module includes pressure control module valve pocket and the pressure in the pressure control module valve pocket
Magnetic valve is controlled, accumulator outlet oil circuit of the oil from the first oil sources through being formed in the lower valve body sequentially enters the pressure
Power control module valve pocket, the electromagnetic pressure control valve, clutch control oil and gearshift Stress control oil circuit, to perform clutch
The handover operation of device and the regulation of gearshift pressure；
The flow-control module includes flow-control module valve pocket and the flow in the flow-control module valve pocket
Magnetic valve is controlled, the oil from the second oil sources flows into flow control successively through forming the cooler outlet oil circuit on the upper valve body
Molding block valve pocket, flow control electromagnetic valve and lubrication control stream, to perform lubrication clutch and axle tooth.
2. automatic transmission hydraulic valve assembly according to claim 1, it is characterised in that the first gearshift control electricity
It is direct drive type electro that magnet valve, second gearshift, which control magnetic valve, the electromagnetic pressure control valve and the flow control electromagnetic valve,
Magnet valve.
3. automatic transmission hydraulic valve assembly according to claim 2, it is characterised in that the first gearshift control mould
Block includes the first gearshift control module valve pocket, two or five gear gearshift control magnetic valves and parking control magnetic valve, and two or five gear changes
Gear control magnetic valve and parking control magnetic valve are inserted into the first gearshift control module valve pocket, the first gearshift control
Oil circuit includes two or five gear oil circuits and parking oil circuit；
One end of the shared P mouths of the first gearshift control module valve pocket and described 25 gear gearshift control magnetic valves and parking control
The P mouths of magnetic valve processed communicate simultaneously, and the other end communicates with gearshift Stress control oil circuit, the first gearshift control module valve pocket
Independent A mouths, one end of B mouths communicate respectively with A mouths, the B mouths of described 25 gear gearshift control magnetic valves and parking control magnetic valve,
The other end communicates respectively with two or five gear oil circuits, parking oil circuit.
4. automatic transmission hydraulic valve assembly according to claim 2, it is characterised in that the second gearshift control mould
Block includes the second gearshift control module valve pocket, one or three gear gearshift control magnetic valves and four gear gearshift control magnetic valves, two gearshifts
Control magnetic valve is inserted into the second gearshift control module valve pocket, and the second gearshift control oil circuit includes one or three gear oil circuits
With four gear oil circuits；
One end of the shared P mouths of the second gearshift control module valve pocket communicates simultaneously with the P mouths of two gearshift control magnetic valves,
The other end communicates with gearshift Stress control oil circuit, the independent A mouths of the second gearshift control module valve pocket, one end and two of B mouths
A mouths, the B mouths of individual gearshift control magnetic valve communicate respectively, and the other end communicates respectively with one or three gear oil circuits, four gear oil circuits.
5. automatic transmission hydraulic valve assembly according to claim 2, it is characterised in that the pressure control module bag
Include pressure control module valve pocket, C0 clutch control ratio pressures magnetic valve, C2 clutch control ratio pressures magnetic valve, C1 from
Clutch controls ratio pressure solenoid valve and gearshift Stress control ratio pressure magnetic valve, and four ratio pressure magnetic valves are inserted into institute
State in pressure control module valve pocket, the clutch control oil includes C0 clutch control oils, C1 clutch control oils
With C2 clutch control oils；
One end of the shared P mouths of the pressure control module valve pocket communicates simultaneously with the P mouths of four ratio pressure magnetic valves, another
End communicates with accumulator outlet oil circuit, one end and the four ratio pressure electromagnetism of the independent A mouths of the pressure control module valve pocket
The A mouths of valve communicate respectively, the other end and gearshift Stress control oil circuit, C0 clutch control oils, C1 clutch control oils and
C2 clutch control oils communicate respectively.
6. automatic transmission hydraulic valve assembly according to claim 2, it is characterised in that the flow-control module bag
Include flow-control module valve pocket, C1 clutch lubrication proportional flows magnetic valve, C2 clutch lubrication proportional flows magnetic valve, axle tooth
Lubrication ratio flow solenoid valve and C0 clutch lubrication proportional flow magnetic valves, four proportional flow magnetic valves are inserted into the stream
Measure in control module valve pocket, the lubrication control oil circuit includes C0 clutch lubrications oil circuit, C1 clutch lubrications oil circuit, C2 clutches
Device lubricant passage way and axle tooth lubricant passage way；
One end of the shared P mouths of the flow-control module valve pocket communicates simultaneously with the P mouths of four proportional flow magnetic valves, another
End communicates with cooler outlet oil circuit, one end and the four proportional flow electromagnetism of the independent A mouths of the flow-control module valve pocket
The A mouths of valve communicate respectively, the other end and C0 clutch lubrications oil circuit, C1 clutch lubrications oil circuit, C2 clutch lubrications oil circuit and
Axle tooth lubricant passage way communicates respectively.
7. automatic transmission hydraulic valve assembly according to claim 1, it is characterised in that the accumulator is piston type
Accumulator；
The entrance of the accumulator communicates with forming the accumulator entrance oil circuit on the upper valve body, the outlet of the accumulator
Communicated with the accumulator outlet oil circuit formed in the lower valve body.
8. automatic transmission hydraulic valve assembly according to claim 1, it is characterised in that the input shaft of the electrodynamic pump
It is connected with the output shaft axis weight merga pass shaft coupling of the motor, the entrance and exit of the electrodynamic pump is respectively with forming institute
The electronic pump discharge oil circuit stated the electronic pump intake oil circuit in lower valve body and formed on the upper valve body communicates.
9. automatic transmission hydraulic valve assembly according to claim 8, it is characterised in that the electronic pump discharge oil circuit
Upper unloading valve in parallel.
10. automatic transmission hydraulic valve assembly according to claim 1, it is characterised in that also set on the upper valve body
It is equipped with pressure sensor and cleaner；
The oil filled port of the pressure sensor communicates with pressure sensor oil circuit；The cleaner is connected by sealing ring and lower valve body
Connect, be fixed on through the oilhole of central dividing plate on the upper valve body, the entrance of the cleaner and electronic pump discharge oil circuit phase
Logical, outlet communicates with cleaner outlet oil circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711045928.1A CN107747628B (en) | 2017-10-31 | 2017-10-31 | Automatic derailleur hydraulic valve body assembly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711045928.1A CN107747628B (en) | 2017-10-31 | 2017-10-31 | Automatic derailleur hydraulic valve body assembly |
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| CN107747628A true CN107747628A (en) | 2018-03-02 |
| CN107747628B CN107747628B (en) | 2023-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711045928.1A Active CN107747628B (en) | 2017-10-31 | 2017-10-31 | Automatic derailleur hydraulic valve body assembly |
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| CN114439904A (en) * | 2022-01-29 | 2022-05-06 | 重庆长安汽车股份有限公司 | Automobile speed changer |
| WO2023110802A1 (en) * | 2021-12-14 | 2023-06-22 | Fte Automotive Gmbh | Gear-change selector module |
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| Publication number | Publication date |
|---|---|
| CN107747628B (en) | 2023-05-05 |
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