CN209145856U - Double clutch automatic speed changing case oil pump - Google Patents

Double clutch automatic speed changing case oil pump Download PDF

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Publication number
CN209145856U
CN209145856U CN201821980931.2U CN201821980931U CN209145856U CN 209145856 U CN209145856 U CN 209145856U CN 201821980931 U CN201821980931 U CN 201821980931U CN 209145856 U CN209145856 U CN 209145856U
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oil
shell
cavity
oil pump
blade
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CN201821980931.2U
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Chinese (zh)
Inventor
包振庆
周勇
张本柱
周召祥
彭灿
蒋帅
成怡
陈可
魏东
李林
钱宗行
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Chongqing Qingshan Industry Co Ltd
Chongqing Tsingshan Industrial Co Ltd
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Chongqing Qingshan Industry Co Ltd
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Abstract

The utility model relates to a kind of double clutch automatic speed changing case oil pumps, shell including oil pump, end cap, shell is equipped with oil inlet, oil outlet, oil return opening, the inner cavity of shell is divided into low pressure oil sucting cavity and high pressure oil-discharging cavity by the workpiece being arranged, oil inlet, oil return opening and low pressure oil sucting cavity are connected, oil outlet and high pressure oil-discharging cavity are connected, shell right end is equipped with first, second range piston cylinder, the piston of first range piston cylinder is for connecting the first gear lever, the piston of second range piston cylinder is for connecting the second gear lever, first range piston cylinder is equipped with the first hydraulic oil-through-hole, second range piston cylinder is equipped with the second hydraulic oil-through-hole, end cap is fastened on shell left side, sealing ring is installed between shell and end cap, end cap supports a drive shaft by bearing, the circumferentially fixed driving gear in drive shaft left end, drive shaft right end It protrudes into housing cavity and shell is supported on by bearing, drive shaft is fixedly connected with the oil suction for realizing oil pump, pressure oil with the revolving part of workpiece.

Description

Double clutch automatic speed changing case oil pump
Technical field
The utility model relates to automobile gearbox field, in particular to a kind of double clutch automatic speed changing case oil pump.
Background technique
Oil pump is one of the ost important components in double clutch automatic speed changing case, it is not only the dynamic of automatic gear-box hydraulic system Power source can provide hydraulic oil for components such as range pistons, also have and provide lubrication use for components such as clutch, gear, bearings The effect of oil.Currently, guaranteeing the comfort of shift, the more cloth of double clutch automatic speed changing case range piston to meet NVH performance requirement It sets on the cabinet of gearbox.But it is this that range piston is fully disposed in the axial direction that will increase gearbox on the cabinet of gearbox Size affects the integral layout of auto parts so that gearbox the space occupied is big.Moreover, because of the shape of gear box Complexity, meeting after range piston is arranged on gear box considerably increase so that the shape of gear box is more complicated The difficulty of processing of gear box.
Summary of the invention
The purpose of this utility model is in view of the deficiencies of the prior art, to provide a kind of double clutch automatic speed changing case oil pump, should The shell of oil pump is equipped with range piston hole, installs range piston by the range piston hole, reduces gear box Axial dimension reduces the difficulty of processing of mission case.
The technical solution of the utility model is: a kind of double clutch automatic speed changing case oil pump, it is characterised in that: including oil pump Shell, end cap, the shell are equipped with oil inlet, oil outlet, oil return opening, and the inner cavity of the shell is separated by the workpiece being arranged For low pressure oil sucting cavity and high pressure oil-discharging cavity, the oil inlet, oil return opening and low pressure oil sucting cavity are connected, the oil outlet and high pressure Oil pocket is connected, and the shell right end is equipped with the first range piston cylinder, the second range piston cylinder, the work of the first range piston cylinder Plug is for connecting the first gear lever, and the piston of the second range piston cylinder is for connecting the second gear lever, first shift Piston cylinder is equipped with the first hydraulic oil-through-hole, and the second range piston cylinder is equipped with the second hydraulic oil-through-hole, and the end cap is logical It crosses to be bolted and is fixed on shell left side, sealing ring is installed between the shell and end cap, the end cap passes through bearing branch A drive shaft, the circumferentially fixed driving gear in drive shaft left end are held, the right end of the drive shaft protrudes into housing cavity and passes through Bearing is supported on shell, and the drive shaft is fixedly connected with the oil suction for realizing oil pump, pressure oil with the revolving part of workpiece.
The workpiece includes revolving part, left valve plate, right valve plate, stator, and the revolving part is blade rotor, should Blade rotor is located in the inner hole of stator, and the blade rotor excircle is uniformly provided with multiple blade mounting grooves, each blade installation Trench bottom is respectively equipped with oil groove, and blade, the blade and stator of the blade rotor are sliding combined in each blade mounting groove There are freedom of motion between inner headed face, between left valve plate, right valve plate, the left side is matched for the blade rotor and stator Flow table, stator, right valve plate, which are located in the inner cavity of shell, to be fixedly connected by positioning pin with end cap, and the right valve plate passes through oil Road is connected to oil outlet.
The inner hole of the stator is made of symmetrical four arcs and four sections of easement curves, the blade rotor and fixed Son is concentric, and often rotate a circle oil pump suction, oil extraction of blade rotor is made to form double acting oil pump twice.
The housing cavity is ladder vestibule, and the bigger diameter end of the ladder vestibule is low pressure oil sucting cavity, and miner diameter end is high pressure Oil pocket.
The miner diameter end of the ladder vestibule is equipped with an axial boss, and the center of circle of the axial boss is equipped with for supporting drive shaft Axis hole.
The workpiece includes revolving part, driven gear, and the revolving part is driving gear, the driving gear with from Moving gear engagement, the driven gear is by a shaft support in shell.
The workpiece includes revolving part, outer rotor, and the revolving part is internal rotor, and the internal rotor is eccentrically set on In outer rotor.
The oil inlet of the shell is equipped with an oil absorption filter.
It is pressed with cylinder sleeve respectively in the first range piston cylinder, the second range piston cylinder.
Oil sealing is installed, the oil sealing is located at the left side of drive shaft left end bearing between the drive shaft and end cap.
By adopting the above technical scheme: shell, end cap including oil pump, the shell are equipped with oil inlet, oil outlet, oil return Mouthful, the inner cavity of the shell is divided into low pressure oil sucting cavity and high pressure oil-discharging cavity, the oil inlet, oil return by the workpiece being arranged Mouthful connected with low pressure oil sucting cavity, the oil outlet and high pressure oil-discharging cavity are connected, the shell right end be equipped with the first range piston cylinder, Second range piston cylinder, the piston of the first range piston cylinder is for connecting the first gear lever, the second range piston cylinder Piston for connect the second gear lever, the first range piston cylinder be equipped with the first hydraulic oil-through-hole, it is described second shift Piston cylinder is equipped with the second hydraulic oil-through-hole, and the end cap, which is bolted, is fixed on shell left side, the shell and end Sealing ring is installed, the end cap supports a drive shaft, the circumferentially fixed driving in drive shaft left end by bearing between lid Gear, the right end of the drive shaft protrude into housing cavity and are supported on shell, the rotation of the drive shaft and workpiece by bearing Turn part and is fixedly connected with the oil suction for realizing oil pump, pressure oil.When work, the driving gear engaged in the oil pump with clutch gear can band Dynamic drive shaft rotation, the drive shaft of rotation will drive the oil suction and high pressure of the revolving part rotation realization oil pump low pressure oil sucting cavity The pressure oil of oil pocket.Oil liquid is sucked into the low pressure being connected with oil inlet from oil inlet by the workpiece of housing cavity by oil pump In oil sucting cavity, then by oil duct oil liquid is transferred in the high pressure oil-discharging cavity of inner cavity, it is final through with high pressure oil-discharging cavity connects out Hydraulic fluid port drains into gear box hydraulic module, thus completes fuel feeding.Meanwhile extra oil liquid can be discharged to oil return in hydraulic module Mouthful, oil liquid can be turned again in low pressure oil sucting cavity through oil return opening and be recycled.And the shell of the oil pump is equipped with shift Piston cylinder, the piston of range piston cylinder is for driving the gear lever connecting with piston to realize gear shift operation.Gearbox in this way Range piston can not have to be arranged on gear box, not only reduce the axial dimension of gear box, be conducive to vapour The integral layout of vehicle part, while the shape complexity of gear box is also reduced, reduce the difficult processing of mission case Degree.
The workpiece includes revolving part, left valve plate, right valve plate, stator, and the revolving part is blade rotor, should Blade rotor is located in the inner hole of stator, and the blade rotor excircle is uniformly provided with multiple blade mounting grooves, each blade installation Trench bottom is respectively equipped with oil groove, and blade, the blade and stator of the blade rotor are sliding combined in each blade mounting groove There are freedom of motion between inner headed face, between left valve plate, right valve plate, the left side is matched for the blade rotor and stator Flow table, stator, right valve plate, which are located in the inner cavity of shell, to be fixedly connected by positioning pin with end cap, and the right valve plate passes through oil Road is connected to oil outlet.When drive shaft driving blade rotor rotates in stator inner hole, the blade installed on blade rotor is in oil Under the action of slot mesohigh oil, it is forced to generate radially sliding along blade mounting groove with the varying aperture of stator inner hole, by This forms the variation of oil liquid pressure in stator inner hole.The oil sucking window being arranged in low pressure oil area and valve plate in stator inner hole Corresponding, the low pressure oil sucting cavity of oil sucking window and housing cavity is connected to form oil suction, high pressure oil area and valve plate in stator inner hole The oil extraction window of upper setting is corresponding, and the high pressure oil-discharging cavity of oil extraction window and housing cavity is connected to form pressure oil.This workpiece Oil pump not only has high volumetric efficiency, and movement is also steady, noise is small.
The inner hole of the stator is made of symmetrical four arcs and four sections of easement curves, the blade rotor and fixed Son is concentric, and often rotate a circle oil pump suction, oil extraction of blade rotor is made to form double acting oil pump twice.The flow of double acting oil pump Uniformity is good, and the radial hydraulic pressure that blade rotor is received also more balances.
The housing cavity is ladder vestibule, and the bigger diameter end of the ladder vestibule is low pressure oil sucting cavity, and miner diameter end is high pressure Oil pocket.Not only the processing is simple for ladder vestibule, also facilitates intracavitary workpiece installation.The miner diameter end of the ladder vestibule is equipped with One axial boss, the center of circle of the axial boss are equipped with the axis hole for supporting drive shaft.The axial boss not only facilitates driving The installation of axis also facilitates the sealing of high pressure oil-discharging cavity, and sealing ring is arranged between axial boss and right valve plate, ensure that The volumetric efficiency of oil pump.
Or the workpiece includes revolving part, driven gear, the revolving part is driving gear, the driving gear It is engaged with driven gear, the driven gear is by a shaft support in shell.The working part structure being consequently formed is simple, this The oil pump maintenance of workpiece also facilitates, and the service life of oil pump is also grown.
Or the workpiece includes revolving part, outer rotor, the revolving part is internal rotor, and the internal rotor bias is set It sets in outer rotor.The workpiece being consequently formed is not only simple in structure, and size and quality are also small.
The oil inlet of the shell is equipped with an oil absorption filter.Oil absorption filter is mainly used for filtering at oil inlet from oil The oil liquid sucked in case filters out the impurity in oil liquid to play the role of protecting oil pump.
It is pressed with cylinder sleeve respectively in the first range piston cylinder, the second range piston cylinder.Cylinder sleeve can increase shift and live The rigidity of plug cylinder guarantees the requirement of the roughness and related geometric tolerance of the range piston inside wall of cylinder.
Oil sealing is installed, the oil sealing is located at the left side of drive shaft left end bearing between the drive shaft and end cap.The oil Envelope is mainly used for preventing oil liquid from revealing in fit clearance between drive shaft and end cap.
The shell of this double clutch automatic speed changing case oil pump is equipped with range piston cylinder, and the piston of range piston cylinder is used for and changes Bar is connected and fixed, and the range piston of such gearbox can not have to be arranged on gear box, not only reduces speed change The axial dimension of box body, is conducive to the integral layout of auto parts, while also reducing the shape complexity of gear box, Reduce the difficulty of processing of mission case.
The utility model is described in further detail with specific embodiment with reference to the accompanying drawings of the specification.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model;
Fig. 2 is the structural schematic diagram inside oil pump;
Fig. 3 is the schematic diagram of oily pump driver gear and clutch gear cooperation;
Fig. 4 is cooperation schematic diagram of the oil pump in gearbox.
In attached drawing, 2 be the first gear lever, and 3 be the second gear lever, and 4 be oil absorption filter, and 5 be clutch, and 6 be clutch Gear, 7 be oil outlet, and 8 be the first hydraulic oil-through-hole, and 9 be the first range piston cylinder, and 10 be the second hydraulic oil-through-hole, and 11 are back Hydraulic fluid port, 12 be the second range piston cylinder, and 13 be oil inlet, and 15 be axial boss, and 16 be low pressure oil sucting cavity, and 17 be right valve plate, 18 be high pressure oil-discharging cavity, and 19 be shell, and 20 be the first cylinder sleeve, and 23 be the second cylinder sleeve, and 25 be sealing ring, and 26 be end cap, and 27 be drive Moving gear, 28 be left valve plate, and 30 be oil sealing, and 31 be drive shaft, and 32 be blade rotor, and 33 be blade, and 34 be stator.
Specific embodiment
Embodiment one, referring to Fig. 1 to Fig. 4, a kind of double clutch automatic speed changing case oil pump, shell 19, end cap including oil pump 26, the shell 19 is equipped with oil inlet 13, oil outlet 7, oil return opening 11.The oil inlet 13 is equipped with an oil absorption filter 4, inhales Oil strainer 4 is mainly used for filtering the oil liquid sucked from fuel tank at oil inlet 13, filters out the impurity in oil liquid to play protection The effect of oil pump.The inner cavity of the shell 19 is divided into low pressure oil sucting cavity 16 and high pressure oil-discharging cavity 18 by the workpiece being arranged, The oil inlet 13, oil return opening 11 and low pressure oil sucting cavity 16 are connected, and the oil outlet 7 is connected with high pressure oil-discharging cavity 18, thus shape At the oil supply gallery of the oil pump.19 right end of shell is equipped with the first range piston cylinder 9, the second range piston cylinder 12, and described the It is pressed with the first cylinder sleeve 20 in one range piston cylinder 9, is pressed with the second cylinder sleeve 23 in the second range piston cylinder 12.Cylinder sleeve energy The rigidity for enough increasing range piston cylinder guarantees the requirement of the roughness and related geometric tolerance of the range piston inside wall of cylinder.Described The piston of one range piston cylinder 9 is for connecting the first gear lever 2, and the piston of the second range piston cylinder 12 is for connecting second Gear lever 3, thus the first gear lever 2 can be controlled by the first range piston cylinder 9 and be driven, and the second gear lever 3 of gearbox is just It can be controlled and be driven by the second range piston cylinder 12.The first range piston cylinder 9 is equipped with the first hydraulic oil-through-hole 8, described Second range piston cylinder 12 is equipped with the second hydraulic oil-through-hole 10.The first hydraulic oil-through-hole 8, the second hydraulic oil-through-hole 10, Oil return opening 11 is connected by oil pipe and gear box hydraulic module respectively, and the first range piston cylinder 9, the second range piston cylinder 12 are by becoming Fast case hydraulic module control.And assemble for convenience, the first hydraulic oil-through-hole 8, the second hydraulic oil-through-hole 10, oil return opening 11 are in flat It goes and is arranged perpendicular to the mounting surface of gear box hydraulic module.The end cap 26, which is bolted, is fixed on 19 left end of shell Face, is equipped with sealing ring 25 between the shell 19 and end cap 26, sealing ring 25 ensure that having between end cap 26 and shell 19 Effect sealing, it is therefore prevented that oil liquid leaks, and improves volumetric efficiency.The end cap 26 supports a drive shaft 31, the drive by bearing Oil sealing 30 is installed, the oil sealing 30 is located at the left side of 31 left end bearing of drive shaft, oil sealing master between moving axis 31 and end cap 26 It is used to prevent oil liquid from revealing in fit clearance between drive shaft 31 and end cap 26.31 left end of drive shaft circumferentially fixed one Drive gear 27,6 engaged transmission of clutch gear of the driving gear 27 and clutch 5.The right end of the drive shaft 31 protrudes into 19 inner cavity of shell is supported on shell 19 by bearing, and the drive shaft 31 is fixedly connected with realization oil pump with the revolving part of workpiece Oil suction, pressure oil.The workpiece includes revolving part, left valve plate 28, right valve plate 17, stator 34, and the revolving part is Blade rotor 32, the blade rotor 32 are located in the inner hole of stator 34.32 excircle of blade rotor is uniformly provided with multiple leaves Piece mounting groove, each blade installation trench bottom are respectively equipped with oil groove, which is connected by right valve plate 17 with high pressure oil-discharging cavity 18, It is sliding combined with blade 33 in each blade mounting groove, is stayed between 34 inner headed face of blade 33 and stator of the blade rotor 32 There is freedom of motion.The blade rotor 32 and stator 34 are between left valve plate 28, right valve plate 17, the left valve plate 28, stator 34, right valve plate 17, which are located in the inner cavity of shell 19, is fixedly connected by positioning pin with end cap 26, the right valve plate 17 oil extraction window is connected to by oil duct with oil outlet 7.When 31 driving blade rotor 32 of drive shaft rotates in 34 inner hole of stator, The blade 33 installed on blade rotor 32 is forced under the action of oil groove mesohigh is oily with the varying aperture of 34 inner hole of stator Radially sliding along blade mounting groove is generated, the variation of oil liquid pressure in 34 inner hole of stator is thus formed.In 34 inner hole of stator Low pressure oil area and left and right valve plate on the oil sucking window that is arranged it is corresponding, the low pressure oil sucting cavity of oil sucking window and 19 inner cavity of shell 16 connections form oil suction, and the oil extraction window being arranged on the high pressure oil area in 34 inner hole of stator and right valve plate 17 is corresponding, oil extraction window Mouth and the connection of high pressure oil-discharging cavity 18 of 19 inner cavity of shell form pressure oil.The oil pump of this workpiece not only has high volumetric efficiency, Its movement is also steady, noise is small.The inner hole of the stator 34 is made of symmetrical four arcs and four sections of easement curves, institute It states blade rotor 32 and stator 34 is concentric, often rotate a circle oil pump suction, the oil extraction of blade rotor 32 is made to form double acting twice Oil pump, right valve plate 17 are set there are two the identical oil extraction window of size and shape.The discharge uniformity of double acting oil pump is good, blade The radial hydraulic pressure that rotor 32 is received also more balances.19 inner cavity of shell is ladder vestibule, and the ladder vestibule is rounded, major diameter End is low pressure oil sucting cavity 16, and miner diameter end is high pressure oil-discharging cavity 18.Not only the processing is simple for ladder vestibule, also facilitates intracavitary work Component installation.The miner diameter end of the ladder vestibule is equipped with an axial boss 15, and the center of circle of the axial boss 15 is equipped with for supporting The axis hole of drive shaft 31.The axial boss 15 not only facilitates the installation of drive shaft, also facilitates the sealing of high pressure oil-discharging cavity 18, Sealing ring is set between axial boss 15 and right valve plate 17, ensure that the volumetric efficiency of oil pump.The right valve plate 17 Right side be against the intermediate step of ladder vestibule and the shaft shoulder that axial boss 15 is arranged on, the installation for workpiece is fixed Position.Sealing ring is equipped between right 17 right side of valve plate and ladder vestibule intermediate step, by low pressure oil sucting cavity 16 and high pressure oil extraction Chamber 18 is effectively spaced apart, and sealing ring is also provided between right 17 right side of valve plate and the shaft shoulder of axial boss 15, for preventing high pressure Oil is revealed by the fit clearance between right valve plate 17 and drive shaft 31.
Embodiment two, basic structure is the same as example 1, the difference is that, the workpiece includes rotation Part, driven gear, the revolving part are driving gear, and the driving gear is engaged with driven gear, and the driven gear passes through One shaft support is in shell 19.The driven gear is fixedly connected with shaft, and shaft is supported on shell 19 by bearing.Thus shape At working part structure it is simple, the maintenance of the oil pump of this workpiece also facilitates, and the service life of oil pump is also grown.Driving gear with The inner cavity of shell 19 is divided into low pressure oil sucting cavity 16 and high pressure oil-discharging cavity 18 by driven gear, and oil liquid separates when engaging from two gears The low pressure oil sucting cavity 16 of side sucks, and the high pressure oil-discharging cavity 18 when engaging from two gears in conjunction with side extrudes.
Embodiment two, basic structure is the same as example 1, the difference is that, the workpiece includes rotation Part, outer rotor, the revolving part are internal rotor, and the internal rotor is eccentrically set in outer rotor.Oil liquid is from 19 inner cavity of shell Low pressure oil sucting cavity 16 between internal rotor and outer rotor sucks, and the high pressure oil-discharging cavity 18 between internal rotor and outer rotor extrudes. The workpiece being consequently formed is not only simple in structure, and size and quality are also small.
Oil pump is bolted on gearbox, when work, the driving gear that is engaged in the oil pump with clutch gear 6 27 will drive the rotation of drive shaft 31, and the drive shaft 31 of rotation will drive revolving part rotation to realize the oil pump low pressure oil sucting cavity 16 The pressure oil of oil suction and high pressure oil-discharging cavity 18.Oil pump by the workpiece of 19 inner cavity of shell by oil liquid from oil inlet 13 be sucked into In the low pressure oil sucting cavity 16 that oil inlet 13 is connected, then by oil duct oil liquid is transferred in the high pressure oil-discharging cavity 18 of inner cavity, most The oil outlet 7 through connecting with high pressure oil-discharging cavity 18 drains into gear box hydraulic module eventually, thus completes fuel feeding.Meanwhile fluid die Extra oil liquid can be discharged to oil return opening 11 in block, and oil liquid can be turned again in low pressure oil sucting cavity 16 through oil return opening 11 and be recycled It utilizes.And the shell 19 of the oil pump is equipped with the first range piston cylinder 9, the second range piston cylinder 12, the work of range piston cylinder Plug is for driving the gear lever connecting with piston to realize gear shift operation.The range piston of gearbox in this way can be partly or completely On full setting oil pump, the axial dimension of gear box is not only reduced, is conducive to the integral layout of auto parts, while also subtracting The small shape complexity of gear box, reduces the difficulty of processing of mission case.

Claims (10)

1. a kind of double clutch automatic speed changing case oil pump, it is characterised in that: shell (19), end cap (26) including oil pump, the shell Body (19) is equipped with oil inlet (13), oil outlet (7), oil return opening (11), and the inner cavity of the shell (19) is by the workpiece that is arranged It is divided into low pressure oil sucting cavity (16) and high pressure oil-discharging cavity (18), the oil inlet (13), oil return opening (11) and low pressure oil sucting cavity (16) it connects, the oil outlet (7) and high pressure oil-discharging cavity (18) are connected, and shell (19) right end is equipped with the first range piston cylinder (9), the second range piston cylinder (12), the piston of the first range piston cylinder (9) are described for connecting the first gear lever (2) For the piston of second range piston cylinder (12) for connecting the second gear lever (3), the first range piston cylinder (9) is equipped with first Hydraulic oil-through-hole (8), the second range piston cylinder (12) are equipped with the second hydraulic oil-through-hole (10), and the end cap (26) passes through It is bolted and is fixed on shell (19) left side, be equipped with sealing ring (25) between the shell (19) and end cap (26), it is described End cap (26) supports a drive shaft (31) by bearing, circumferentially fixed driving gear (27) in drive shaft (31) left end, institute The right end for stating drive shaft (31) protrudes into shell (19) inner cavity and is supported on shell (19) by bearing, the drive shaft (31) and work The revolving part of component is fixedly connected with the oil suction for realizing oil pump, pressure oil.
2. double clutch automatic speed changing case oil pump according to claim 1, it is characterised in that: the workpiece includes rotation Part, left valve plate (28), right valve plate (17), stator (34), the revolving part are blade rotor (32), the blade rotor (32) In the inner hole of stator (34), blade rotor (32) excircle is uniformly provided with multiple blade mounting grooves, each blade installation Trench bottom is respectively equipped with oil groove, is sliding combined in each blade mounting groove blade (33), the leaf of the blade rotor (32) There are freedom of motion, the blade rotor (32) and stators (34) to be located at left flow between piece (33) and stator (34) inner headed face Between disk (28), right valve plate (17), the left valve plate (28), stator (34), right valve plate (17) are located at shell (19) It is fixedly connected by positioning pin with end cap (26) in inner cavity, the right valve plate (17) is connected to by oil duct with oil outlet (7).
3. double clutch automatic speed changing case oil pump according to claim 2, it is characterised in that: the inner hole of the stator (34) by Symmetrical four arcs and four sections of easement curves are constituted, and the blade rotor (32) and stator (34) are concentric, make blade Often rotate a circle oil pump suction, oil extraction of rotor (32) forms double acting oil pump twice.
4. double clutch automatic speed changing case oil pump according to claim 2, it is characterised in that: shell (19) inner cavity is rank Terraced vestibule, the bigger diameter end of the ladder vestibule are low pressure oil sucting cavity (16), and miner diameter end is high pressure oil-discharging cavity (18).
5. double clutch automatic speed changing case oil pump according to claim 4, it is characterised in that: the miner diameter end of the ladder vestibule Equipped with an axial boss (15), the center of circle of the axial boss (15) is equipped with the axis hole for supporting drive shaft (31).
6. double clutch automatic speed changing case oil pump according to claim 1, it is characterised in that: the workpiece includes rotation Part, driven gear, the revolving part are driving gear, and the driving gear is engaged with driven gear, and the driven gear passes through One shaft support is in shell (19).
7. double clutch automatic speed changing case oil pump according to claim 1, it is characterised in that: the workpiece includes rotation Part, outer rotor, the revolving part are internal rotor, and the internal rotor is eccentrically set in outer rotor.
8. double clutch automatic speed changing case oil pump according to claim 1, it is characterised in that: the oil inlet of the shell (19) (13) oil absorption filter (4) are installed.
9. double clutch automatic speed changing case oil pump according to claim 1, it is characterised in that: the first range piston cylinder (9), it is pressed with cylinder sleeve respectively in the second range piston cylinder (12).
10. double clutch automatic speed changing case oil pump according to claim 1, it is characterised in that: the drive shaft (31) and end It is equipped with oil sealing (30) between lid (26), the oil sealing (30) is located at the left side of drive shaft (31) left end bearing.
CN201821980931.2U 2018-11-29 2018-11-29 Double clutch automatic speed changing case oil pump Active CN209145856U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821980931.2U CN209145856U (en) 2018-11-29 2018-11-29 Double clutch automatic speed changing case oil pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821980931.2U CN209145856U (en) 2018-11-29 2018-11-29 Double clutch automatic speed changing case oil pump

Publications (1)

Publication Number Publication Date
CN209145856U true CN209145856U (en) 2019-07-23

Family

ID=67288280

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821980931.2U Active CN209145856U (en) 2018-11-29 2018-11-29 Double clutch automatic speed changing case oil pump

Country Status (1)

Country Link
CN (1) CN209145856U (en)

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