CN109649485A - A kind of Vehicular electric hydraulic power-assisted steering pump assembly - Google Patents
A kind of Vehicular electric hydraulic power-assisted steering pump assembly Download PDFInfo
- Publication number
- CN109649485A CN109649485A CN201910036399.1A CN201910036399A CN109649485A CN 109649485 A CN109649485 A CN 109649485A CN 201910036399 A CN201910036399 A CN 201910036399A CN 109649485 A CN109649485 A CN 109649485A
- Authority
- CN
- China
- Prior art keywords
- oil
- pump
- motor
- pump housing
- cover
- 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
Links
- 239000003921 oil Substances 0.000 claims description 157
- 239000000446 fuel Substances 0.000 claims description 19
- 238000009434 installation Methods 0.000 claims description 10
- 239000010720 hydraulic oil Substances 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 3
- 230000001154 acute effect Effects 0.000 claims description 2
- 230000000630 rising effect Effects 0.000 claims 1
- 230000000712 assembly Effects 0.000 abstract 1
- 238000000429 assembly Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D5/00—Power-assisted or power-driven steering
- B62D5/06—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
- B62D5/10—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle characterised by type of power unit
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C11/00—Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C14/00—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
Abstract
The present invention relates to a kind of Vehicular electric hydraulic power-assisted steering pump assemblies, including the motor, oil tank and hydraulic pump integrated, control assembly are equipped between the motor and the oil tank, the motor includes body and motor shaft;The hydraulic pump includes the pump housing, pump cover and pump shaft, the pump housing successively includes pump housing main body, pump housing connection end cap and valve body mounting portion from front to back, the front end of the pump housing main body is connect with pump cover, the pump housing main body and pump cover are arranged inside the oil tank, pump housing connection end cap is connect with the rear end of the oil tank, and the rear end of the valve body mounting portion is fixedly connected with the motor front end cover;The motor shaft is connect by connector sleeve with the pump shaft, and the rear end of the valve body mounting portion is fixedly connected with the motor front end cover;The control assembly is mounted on motor front end cover;Motor, oil tank and hydraulic pump integrate, and control assembly is mounted on the drive end bearing bracket of motor, exterior space are saved, so that complete machine structure is more compact.
Description
Technical field
The present invention relates to a kind of steering pump assembly, in particular to a kind of Vehicular electric hydraulic power-assisted steering pump assembly.
Background technique
In at present, motorbus, the electric hydraulic power-assisted steering pump assembly used on Medium or severe type truck, or from difference
Supplier there purchase motor, control assembly, vane pump pump head respectively, then it is assembled, controller and motor
Assembling generally requires more conducting wire, adapter is electrically connected, in addition oil tank need to want separately installed, and the inside for occupying automobile is empty
Between it is larger, process is cumbersome, be unfavorable for reduce production cost, shorten the production cycle.
As shown in figure 9, the oil outlet in existing steering pump on common double-acting vane pump is laterally arranged, and slide valve
Mounting hole 5-232 is longitudinally disposed, and the both ends of pressure oilhole 5-233 must be respectively communicated with the slide valve mounting hole 5-232
With the oil outlet close to the part in outside, cause the length of the pressure oilhole 5-233 larger, generally in 50mm or so, and
The diameter of pressure oilhole 5-233 only has 3-4mm, and belongs to non-planar drilling, more demanding for factory process, in process
Easily there are scrap products, and this hole machined belongs to the rear end of manufacturing procedure, once scrap the process that its front end is casted into processing
It is wasted, consuming is high, is unfavorable for reducing production cost.
Summary of the invention
The present invention in view of the deficiency of the prior art, provides one kind and occupies little space, is modularization, flexible automobile-used
Electric hydraulic power-assisted steering pump assembly.
The technical scheme to solve the above technical problems is that a kind of Vehicular electric hydraulic power-assisted steering pump assembly,
Including the motor, oil tank and hydraulic pump integrated, control assembly, the electricity are equipped between the motor and the oil tank
Machine includes body and motor shaft, and the body includes back end cover for motor, motor front end cover and is set to the back end cover for motor and electricity
Shell between machine drive end bearing bracket, the motor shaft and the shell are coaxially disposed;
The hydraulic pump includes the pump housing, pump cover and pump shaft, and the pump housing successively includes pump housing main body, pump housing company from front to back
End cap and valve body mounting portion are connect, the front end of the pump housing main body is connect with pump cover, and the pump housing main body and pump cover are arranged described
Inside oil tank, the pump housing connection end cap is connect with the rear end of the oil tank, the rear end of the valve body mounting portion and the motor
Drive end bearing bracket is fixedly connected;
The front end of the motor shaft is connect by connector sleeve with the rear end of the pump shaft, the rear end of the valve body mounting portion and
The motor front end cover is fixedly connected;
The control assembly is mounted on motor front end cover.
The beneficial effects of the present invention are: motor, oil tank and hydraulic pump integrate, before control assembly is mounted on motor
It on end cap, does not need individually to do support, exterior space is saved, so that complete machine structure is more compact;And motor shaft passes through with pump shaft
Connector sleeve connection, does not need complicated shaft coupling, and structure is simple.
Further, the motor further includes rotor and motor stator, and the rotor is mounted on the motor shaft
On, the motor stator is fixed in the inner walls.
Further, the pump housing main body is equipped with installation cavity, is equipped with cylinder block of hydraulic pumps and hydraulic pump stator in the installation cavity,
The cylinder block of hydraulic pumps is mounted on the pump shaft, and the hydraulic pump stator is set in the installation cavity of pump housing main body.
Further, oil distribution casing is additionally provided in the installation cavity, the oil distribution casing is mounted on the pump shaft, and described with oil
Disk is set to the cylinder block of hydraulic pumps rear end.
Further, the pump housing main body is additionally provided with fuel feed hole, and the fuel feed hole is connected to the inlet port on oil distribution casing, hydraulic
Oil is sucked through inlet port, after blade rotates, is discharged from the press oil port of oil distribution casing.
Further, the valve body mounting portion is equipped with pressure oil cavity, oil outlet and slide valve mounting hole, the slide valve mounting hole
Central axis and the oil outlet central axis between angle be acute angle.
Further, the oil inlet end of the pressure oil cavity is connected to the press oil port, and the oil outlet of the pressure oil cavity passes through
Throttle orifice is connected to the oil outlet, and the throttle orifice and the oil outlet are coaxially disposed, and the diameter of the throttle orifice is less than
The diameter of the oil outlet, the oil outlet of the pressure oil cavity are also connected to the slide valve mounting hole, the slide valve mounting hole and
Pressure oilhole is equipped between the oil outlet, the both ends of the pressure oilhole are respectively communicated with the slide valve mounting hole and described fuel-displaced
The outside in hole.
Further, slide valve is installed in the slide valve mounting hole.
Further, the angle between the slide valve mounting hole central axis and the oil outlet central axis be 15 °-
Between 45 °;The length of the pressure oilhole is between 10-20mm.
Beneficial effect using above-mentioned further technical solution is: the length of pressure oilhole can be greatly reduced, so that pressure
Power oilhole is easy to process, can greatly improve yields, reduces manufacturing cost.
Further, the oil tank includes oil tank ontology, and the oil tank ontology is equipped with oil fuel tube and oil return pipe, the oiling
Pipe and the oil return pipe and the oil tank ontology are in integral structure, and the oil fuel tube includes protrude from the oil tank ontology the
One arc convex and oiling connector set on first arc convex one end, the oil return pipe include protruding from the oil tank
Second arc convex of ontology and oil return connector set on second arc convex one end.
Further, the oiling connector protrudes from the oil tank ontology, and the oiling connector is circle, the note
Dismountable nut is additionally provided on oily connector.
Beneficial effect using above-mentioned further technical solution is: oiling connector with oiling spray gun for connecting, oiling
Connector will protrude from oil tank outer body, be convenient for artificial oiling in this way, when needing oiling, manually unscrew nut, carry out oiling,
Nut is screwed on after oiling.
Further, the oil tank ontology includes circle tube tank body and the preceding cover set on the circle tube tank body front end,
The rear end of the circle tube tank body is fixedly connected with the pump housing connection end cap;
First arc convex and second arc convex are in integral structure with the preceding cover, and the oiling connects
Interface and the oil return connector protrude from the outer wall of the circle tube tank body.
Beneficial effect using above-mentioned further technical solution is: oil fuel tube and oil return pipe are generally suspended in the prior art
The outside of oil tank, occupancy is larger, and oil fuel tube and oil return pipe occupy the volume of a part of oil tank in the present invention, reduces pipeline to outside
The occupancy in space, while increasing the dischargeable capacity of oil tank.
Further, the oil tank ontology includes circle tube tank body and sets the preceding tank with the circle tube tank body front end respectively
Lid, the rear end of the circle tube tank body is fixedly connected with the pump housing connection end cap;First arc convex and the preceding tank
Lid is in integral structure, and second arc convex and the circle tube tank body are in integral structure, and second arc convex is set
In the lower section of the circle tube tank body.
Beneficial effect using above-mentioned further technical solution is: oil return pipe is set to the lower section of oil tank ontology, when changing oil,
The hydraulic oil in oil tank can be made to be discharged to greatest extent.
Further, the central axis upright of the central axis of the oiling connector and the circle tube tank body, described time
The centerline axis parallel of the central axis of oily connector and the circle tube tank body.
Further, filter is additionally provided in the oil fuel tube.
Detailed description of the invention
Fig. 1 is the schematic perspective view of embodiment 1 in the present invention;
Fig. 2 is in Fig. 1 along the diagrammatic cross-section of the vertical plane of motor axial direction;
Fig. 3 is the oil tank of embodiment 1 and the assembly structure diagram of hydraulic pump in the present invention;
Fig. 4 is the cross-sectional view of oil tank and hydraulic pump along the vertical plane of pump shaft axial direction of embodiment 1 in the present invention;
Fig. 5 be Fig. 4 in along A-A to cross-sectional view;
Fig. 6 is the cross-sectional view in Fig. 4 along B-B direction;
Fig. 7 be Fig. 6 in along C-C to cross-sectional view;
Fig. 8 be Fig. 4 in along D-D to cross-sectional view;
Fig. 9 is the structural schematic diagram of slide valve mounting hole and oil outlet and its pressure oilhole in the prior art;
Figure 10 is the schematic perspective view of embodiment 2 in the present invention;
In the accompanying drawings, list of designations represented by each label is as follows: 1, motor, 1-1, body, 1-11, shell, 1-
12, back end cover for motor, 1-13, motor front end cover, 1-2, motor shaft, 1-3, rotor, 1-4, motor stator;
2, oil tank, 2-1, oil tank ontology, 2-11, preceding cover, 2-12, circle tube tank body, 2-2, oil fuel tube, 2-21, first
Arc convex, 2-22, oiling connector, 2-23, nut, 2-3, oil return pipe, 2-31, the second arc convex, 2-32, oil return connection
Mouthful, 2-4, filter;
3, control assembly;
4, slide valve;
5, hydraulic pump, 5-1, pump cover, 5-2, the pump housing, 5-21, pump housing main body, 5-211, oil inlet, 5-22, pump housing connecting pin
Lid, 5-23, valve body mounting portion, 5-231, throttle orifice, 5-232, slide valve mounting hole, 5-2321, step macropore, 5-233, pressure oil
5-6, hole, 5-234, oil outlet, 5-235, pressure oil cavity, 5-3, pump shaft, 5-4, cylinder block of hydraulic pumps, 5-5, hydraulic pump stator match
Food tray, 5-61, oil distribution casing inlet port, 5-62, oil distribution casing press oil port;
6, connector sleeve.
Specific embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the invention.
Embodiment 1
As Figure 1-Figure 8, a kind of Vehicular electric hydraulic power-assisted steering pump assembly, including motor 1, oil tank 2 and hydraulic pump
5, control assembly 3 is equipped between the motor 1 and the oil tank 2, the motor 1 includes body 1-1 and motor shaft 1-2, institute
State body 1-1 include back end cover for motor 1-12, motor front end cover 1-13 and be set to the back end cover for motor 1-12 and motor front end
Cover shell 1-11, the motor shaft 1-2 and the shell 1-11 coaxial arrangement between 1-13;
The hydraulic pump 5 is double-acting vane pump, and the hydraulic pump 5 includes pump housing 5-2, pump cover 5-1 and pump shaft 5-3, institute
Stating pump housing 5-2 from front to back successively includes installing in pump housing main body 5-21, the pump housing connection end cap 5-22 and valve body of integral structure
The front end of portion 5-23, the pump housing main body 5-21 are connect with pump cover 5-1, and the pump housing main body 5-21 and pump cover 5-1 are arranged in institute
It states inside oil tank 3, the pump housing connection end cap 5-22 is connect with the rear end of the oil tank 3, the valve body mounting portion and 5-23 institute
State motor front end cover 1-13 connection;
The front end of the motor shaft 1-2 is connect by connector sleeve 6 with the rear end of the pump shaft 5-3, the valve body mounting portion
The rear end of 5-23 is fixedly connected with the motor front end cover;
The connector sleeve 6 uses insulating materials;
The control assembly 3 is mounted on motor front end cover 1-13, and the control assembly includes terminal plate and control
Panel.
The motor 1 further includes that rotor 1-3 and motor stator 1-4, the rotor 1-3 are mounted on the motor
On axis 1-2, the motor stator 1-4 is fixed on the shell 1-11 inner wall.
The pump housing main body 5-21 is equipped with installation cavity, is equipped with cylinder block of hydraulic pumps 5-4 and hydraulic pump stator in the installation cavity
5-5, the cylinder block of hydraulic pumps 5-4 are mounted on the pump shaft 5-3, and the hydraulic pump stator 5-5 is fixed on pump cover.
Oil distribution casing 5-6 is additionally provided in the installation cavity, the oil distribution casing 5-6 is mounted on the pump shaft 5-3, and described is matched
Food tray 5-6 is set to the rear end the cylinder block of hydraulic pumps 5-4.
Fuel feed hole is additionally provided on the pump housing main body 5-2, the inlet port 5-61 on the fuel feed hole and oil distribution casing 5-6 connects
Logical, hydraulic oil is sucked through inlet port 5-61, after blade rotates, is discharged from the press oil port 5-62 of oil distribution casing 5-6.
The valve body mounting portion 5-23 is equipped with pressure oil cavity 5-235, oil outlet 5-234 and slide valve mounting hole 5-232, institute
It states and slide valve 4 is installed in slide valve mounting hole 5-232, the central axis and the oil outlet 5-234 of the slide valve mounting hole 5-232
Central axis between angle be between 15 ° -45 °.
The oil inlet end of the pressure oil cavity 5-235 is connected to the press oil port, and the oil outlet of the pressure oil cavity 5-235 is logical
It crosses throttle orifice 5-231 to be connected to the oil outlet 5-234, the throttle orifice 5-231 and the oil outlet are coaxially disposed, and described
The diameter of throttle orifice 5-231 be less than the oil outlet 5-234 diameter, the oil outlet of the pressure oil cavity 5-235 also with it is described
Slide valve mounting hole 5-232 connection, the slide valve mounting hole 5-232 include mounting hole ontology and be set to the mounting hole body exterior
Step macropore 5-2321 is equipped with pressure oilhole 5- between the step macropore 5-2321 and the outside of the oil outlet 5-234
233, the length of the pressure oilhole 5-233 is between 10-20mm.
The oil tank 2 includes oil tank ontology 2-1, and the oil tank ontology 2-1 is equipped with oil fuel tube 2-2 and oil return pipe 2-3, institute
The oil fuel tube 2-2 and oil return pipe 2-3 and the oil tank ontology 2-1 are stated in integral structure, and the oil fuel tube 2-2 includes protrusion
In the first arc convex 2-21 of the oil tank ontology 2-1 and oiling connector set on described one end first arc convex 2-21
2-22, the oil return pipe 2-3 include protruding from the second arc convex 2-31 of the oil tank ontology 2-1 and set on second arc
The oil return connector 2-32 of the one end shape protrusion 2-31.
The oil tank ontology 2-1 includes circle tube tank body 2-12 and sets respectively and the front end the circle tube tank body 2-12
Preceding cover 2-11, the rear end of the circle tube tank body 2-12 are fixedly connected with the pump housing connection end cap 5-22;
The first arc convex 2-21 and the second arc convex 2-31 is with the preceding cover 2-11 in one knot
Structure, the oiling connector 2-22 and the oil return connector 2-32 protrude from the outer wall of the circle tube tank body 2-12;
The oiling connector 2-22 and the oil return connector 2-32 are cylindrical, and the oiling connector 2-22
Axis it is vertical with the axis of the oil return connector 2-32, dismountable nut 2-23 is additionally provided on the oiling connector.
Filter 2-4 is additionally provided in the oil fuel tube 2-2.
Embodiment 2
As shown in Figure 10, it is with the difference of embodiment 1 place: the first arc convex 2-21 and preceding cover 2-
11 be in integral structure, and the second arc convex 2-31 and the circle tube tank body 2-12 are in integral structure, and second arc
Shape protrusion 2-31 is set to the lower section of the circle tube tank body 2-12;The central axis and the cylinder of the oiling connector 2-22
In the central axis upright of shape tank body 2-12, the central axis of the oil return connector 2-32 and the circle tube tank body 2-12
Mandrel line is parallel.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of Vehicular electric hydraulic power-assisted steering pump assembly, which is characterized in that including motor, oil tank and hydraulic pump, the electricity
Control assembly is equipped between machine and the oil tank, the motor includes body and motor shaft, and the body includes motor rear end
Lid, motor front end cover and the shell between the back end cover for motor and motor front end cover, the motor shaft and the shell
Coaxial arrangement;
The hydraulic pump includes the pump housing, pump cover and pump shaft, and the pump housing successively includes pump housing main body, pump housing connecting pin from front to back
Lid and valve body mounting portion, the front end of the pump housing main body are connect with pump cover, and the pump housing main body and pump cover are arranged in the oil tank
Inside, the pump housing connection end cap are connect with the rear end of the oil tank, the rear end of the valve body mounting portion and the motor front end
Lid is fixedly connected;
The front end of the motor shaft is connect with the rear end of the pump shaft, the rear end of the valve body mounting portion and the motor front end cover
It is fixedly connected;
The control assembly is mounted on motor front end cover.
2. Vehicular electric hydraulic power-assisted steering pump assembly according to claim 1, which is characterized in that the pump housing main body is set
There is installation cavity, is equipped with cylinder block of hydraulic pumps and hydraulic pump stator in the installation cavity, the cylinder block of hydraulic pumps is mounted on the pump shaft
On, the hydraulic pump stator is fixed on the pump cover.
3. Vehicular electric hydraulic power-assisted steering pump assembly according to claim 2, which is characterized in that in the installation cavity also
Equipped with oil distribution casing, the oil distribution casing is mounted on the pump shaft, and the oil distribution casing is set to the cylinder block of hydraulic pumps rear end.
4. Vehicular electric hydraulic power-assisted steering pump assembly according to claim 3, which is characterized in that in the pump housing main body
It is additionally provided with fuel feed hole, the fuel feed hole is connected to the inlet port on oil distribution casing, and hydraulic oil is sucked through inlet port, is rotated through blade
Afterwards, it is discharged from the press oil port of oil distribution casing.
5. Vehicular electric hydraulic power-assisted steering pump assembly according to claim 4, which is characterized in that the valve body mounting portion
It is equipped with pressure oil cavity, oil outlet and slide valve mounting hole, the slide valve mounting hole central axis and the oil outlet central axis
Between angle be acute angle.
6. Vehicular electric hydraulic power-assisted steering pump assembly according to claim 5, which is characterized in that the pressure oil cavity
Oil inlet end is connected to the press oil port, and the oil outlet of the pressure oil cavity is connected to by throttle orifice with the oil outlet, the section
Discharge orifice and the oil outlet are coaxially disposed, and the diameter of the throttle orifice is less than the diameter of the oil outlet, the pressure oil cavity
Oil outlet be also connected to the slide valve mounting hole, between the slide valve mounting hole and the oil outlet be equipped with pressure oilhole, institute
The both ends for stating pressure oilhole are respectively communicated with the outside of the slide valve mounting hole and the oil outlet.
7. Vehicular electric hydraulic power-assisted steering pump assembly according to claim 5, which is characterized in that the slide valve mounting hole
Angle between central axis and the oil outlet central axis is between 15 ° -45 °;The length of the pressure oilhole is in 10-
Between 20mm.
8. Vehicular electric hydraulic power-assisted steering pump assembly according to claim 1-7, which is characterized in that the oil
Tank includes oil tank ontology, and the oil tank ontology is equipped with oil fuel tube and oil return pipe, the oil fuel tube and the oil return pipe with it is described
Oil tank ontology is in integral structure, and the oil fuel tube includes protruding from the first arc convex of the oil tank ontology and being set to described
The oiling connector of first arc convex one end, the oil return pipe include protrude from the oil tank ontology the second arc convex and
Oil return connector set on second arc convex one end.
9. Vehicular electric hydraulic power-assisted steering pump assembly according to claim 8, which is characterized in that the oil tank ontology packet
Include circle tube tank body and set the preceding cover with the circle tube tank body front end respectively, the rear end of the circle tube tank body with it is described
Pump housing connection end cap is fixedly connected;First arc convex and second arc convex are with the preceding cover in one knot
Structure, the oiling connector and the oil return connector protrude from the outer wall of the circle tube tank body.
10. Vehicular electric hydraulic power-assisted steering pump assembly according to claim 8, which is characterized in that the oil tank ontology
The preceding cover with the circle tube tank body front end, the rear end of the circle tube tank body and institute are set including circle tube tank body and respectively
Pump housing connection end cap is stated to be fixedly connected;First arc convex and the preceding cover are in integral structure, and second arc is convex
Rising with the circle tube tank body is in integral structure, and second arc convex is set to the lower section of the circle tube tank body.
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CN201910036399.1A CN109649485B (en) | 2019-01-15 | 2019-01-15 | Electric hydraulic power-assisted steering pump assembly for vehicle |
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CN201910036399.1A CN109649485B (en) | 2019-01-15 | 2019-01-15 | Electric hydraulic power-assisted steering pump assembly for vehicle |
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CN109649485B CN109649485B (en) | 2024-04-09 |
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JP2000104675A (en) * | 1998-09-28 | 2000-04-11 | Kayaba Ind Co Ltd | Variable displacement vane pump |
US6280150B1 (en) * | 1997-09-18 | 2001-08-28 | Jidosha Kiki Co., Ltd. | Variable displacement pump |
CN102536802A (en) * | 2011-12-29 | 2012-07-04 | 全兴精工集团有限公司 | Power steering pump |
CN105818856A (en) * | 2016-05-20 | 2016-08-03 | 阜新德尔汽车部件股份有限公司 | Electric hydraulic pump for automotive electronically-controlled hydraulic power-assisted steering |
CN107091227A (en) * | 2017-05-17 | 2017-08-25 | 奇瑞汽车股份有限公司 | A kind of steering pump, hydraulic power-assist steering system and automobile |
CN109154302A (en) * | 2016-06-20 | 2019-01-04 | 皮尔伯格泵技术有限责任公司 | Electric fluid pump for motor vehicle |
CN209454839U (en) * | 2019-01-15 | 2019-10-01 | 烟台利通液压技术有限公司 | A kind of Vehicular electric hydraulic power-assisted steering pump assembly |
-
2019
- 2019-01-15 CN CN201910036399.1A patent/CN109649485B/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6280150B1 (en) * | 1997-09-18 | 2001-08-28 | Jidosha Kiki Co., Ltd. | Variable displacement pump |
JP2000104675A (en) * | 1998-09-28 | 2000-04-11 | Kayaba Ind Co Ltd | Variable displacement vane pump |
CN102536802A (en) * | 2011-12-29 | 2012-07-04 | 全兴精工集团有限公司 | Power steering pump |
CN105818856A (en) * | 2016-05-20 | 2016-08-03 | 阜新德尔汽车部件股份有限公司 | Electric hydraulic pump for automotive electronically-controlled hydraulic power-assisted steering |
CN109154302A (en) * | 2016-06-20 | 2019-01-04 | 皮尔伯格泵技术有限责任公司 | Electric fluid pump for motor vehicle |
CN107091227A (en) * | 2017-05-17 | 2017-08-25 | 奇瑞汽车股份有限公司 | A kind of steering pump, hydraulic power-assist steering system and automobile |
CN209454839U (en) * | 2019-01-15 | 2019-10-01 | 烟台利通液压技术有限公司 | A kind of Vehicular electric hydraulic power-assisted steering pump assembly |
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CN109649485B (en) | 2024-04-09 |
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