WO2019228311A1 - 电子油泵 - Google Patents

电子油泵 Download PDF

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Publication number
WO2019228311A1
WO2019228311A1 PCT/CN2019/088616 CN2019088616W WO2019228311A1 WO 2019228311 A1 WO2019228311 A1 WO 2019228311A1 CN 2019088616 W CN2019088616 W CN 2019088616W WO 2019228311 A1 WO2019228311 A1 WO 2019228311A1
Authority
WO
WIPO (PCT)
Prior art keywords
main body
support
body portion
oil pump
electronic oil
Prior art date
Application number
PCT/CN2019/088616
Other languages
English (en)
French (fr)
Inventor
殷炳玖
叶葳
孙泳锋
张凯
钱方旭
黄立阳
Original Assignee
杭州三花研究院有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 杭州三花研究院有限公司 filed Critical 杭州三花研究院有限公司
Priority to US17/050,176 priority Critical patent/US11746766B2/en
Priority to KR1020207032855A priority patent/KR102476853B1/ko
Priority to JP2020563646A priority patent/JP7111838B2/ja
Priority to EP19811115.5A priority patent/EP3770429B1/en
Publication of WO2019228311A1 publication Critical patent/WO2019228311A1/zh

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
    • F04B35/04—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
    • F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/06—Control using electricity
    • 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
    • F04C11/008—Enclosed motor pump units
    • 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
    • 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
    • F04C15/0057—Driving elements, brakes, couplings, transmission specially adapted for machines or pumps
    • F04C15/008—Prime movers
    • 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
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C2/10—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
    • F04C2/102—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member the two members rotating simultaneously around their respective axes
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/30—Structural association with control circuits or drive circuits
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/46—Fastening of windings on the stator or rotor structure
    • H02K3/52—Fastening salient pole windings or connections thereto
    • H02K3/521—Fastening salient pole windings or connections thereto applicable to stators only
    • H02K3/522—Fastening salient pole windings or connections thereto applicable to stators only for generally annular cores with salient poles
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
    • H02K5/225—Terminal boxes or connection arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • 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
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C2/10—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
    • 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
    • F04C2210/00—Fluid
    • F04C2210/14—Lubricant
    • 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
    • F04C2240/00—Components
    • F04C2240/20—Rotors
    • 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
    • F04C2240/00—Components
    • F04C2240/30—Casings or housings
    • 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
    • F04C2240/00—Components
    • F04C2240/40—Electric motor
    • 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
    • F04C2240/00—Components
    • F04C2240/80—Other components
    • F04C2240/803—Electric connectors or cables; Fittings therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2210/00—Working fluid
    • F05B2210/10—Kind or type
    • F05B2210/11—Kind or type liquid, i.e. incompressible
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K2203/00—Specific aspects not provided for in the other groups of this subclass relating to the windings
    • H02K2203/09—Machines characterised by wiring elements other than wires, e.g. bus rings, for connecting the winding terminations

Definitions

  • the present application relates to the field of vehicles, for example, to an electronic oil pump.
  • the electronic oil pump mainly provides a power source for at least one of a lubrication system and a cooling system of the vehicle.
  • the electronic oil pump includes a stator assembly and an electric control board. Generally, the stator assembly and the electric control board are electrically connected through a connection terminal.
  • the present application provides an electronic oil pump, which can help reduce the deformation of the connection terminal caused when the connection terminal is connected to the stator assembly and the electric control board, respectively.
  • An electronic oil pump a pump housing, the pump housing is provided with a pump inner cavity, the pump inner cavity includes a first cavity and a second cavity; a first rotor assembly disposed in the first cavity; a stator assembly and A second rotor assembly, the stator assembly and the second rotor assembly being disposed in the second cavity; an electric control board; a support member, the support member being at least partially disposed between the stator assembly and the electric control board
  • the support includes a main body portion including a first surface and a second surface, the first surface and the second surface being oppositely disposed; and a connection terminal through which the connection terminal passes.
  • connection terminal includes a main portion, a first connection portion, and a second connection portion, and the main portion is disposed between the first connection portion and the second connection portion
  • main portion is at least partially tightly fitted to the main body portion or the main portion is at least partially injection-molded and fixed to the main body portion
  • first connecting portion is at least partially extended from the main body portion
  • second connecting portion is at least partially Partly protrudes from the main body part
  • the first company At least partially connected with the stator assembly
  • the second connecting portion is at least partially electrically connected to the control board.
  • this part is at least partially tightly fitted with the main body of the support or fixed by injection molding, the circumferential direction of the connection terminal is supported, which is conducive to reducing the deformation of the connection terminal when the connection terminal is connected to the stator assembly and the electric control board, respectively.
  • FIG. 1 is a schematic cross-sectional structure diagram of a first embodiment of an electronic oil pump according to an embodiment
  • FIG. 2 is a front view of the electronic oil pump without the pump cover in FIG. 1;
  • FIG. 3 is a schematic view of a three-dimensional structure in one direction after the support member and the connection terminal in FIG. 1 are combined together;
  • FIG. 4 is a schematic view of the three-dimensional structure in another direction after the support member and the connection terminal are combined together in FIG. 1;
  • FIG. 5 is a front view of the supporting member and the connection terminal combined in FIG. 3 or FIG. 4;
  • Fig. 6 is a sectional view taken along the direction A-A of Fig. 5;
  • FIG. 7 is a schematic diagram of a three-dimensional structure of the connection terminal in FIG. 1 or FIG. 3 or FIG. 4 or FIG. 5 or FIG. 6; FIG.
  • FIG. 8 is a front view of the connection terminal in FIG. 7;
  • FIG. 9 is a schematic perspective view of the stator assembly in FIG. 1;
  • FIG. 10 is a cross-sectional view of a second embodiment of an electronic oil pump according to an embodiment
  • FIG. 11 is a schematic view of the three-dimensional structure in one direction after the support member and the connection terminal are combined together in FIG. 10;
  • FIG. 12 is a schematic view of the three-dimensional structure in another direction after the support member and the connection terminal are combined together in FIG. 10; FIG.
  • FIG. 13 is a front view of the support member and the connection terminal in FIG. 11 or FIG. 12 after being combined;
  • Fig. 14 is a sectional view taken along the B-B direction of Fig. 13;
  • 15 is a cross-sectional view of a third embodiment of an electronic oil pump according to an embodiment
  • 16 is a schematic view of a three-dimensional structure in one direction after the support member and the connection terminal in FIG. 15 are combined together;
  • 17 is a schematic view of the three-dimensional structure in another direction after the support member and the connection terminal in FIG. 15 are combined together;
  • FIG. 18 is a front view of the support member and the connection terminal in FIG. 16 or FIG. 17 combined;
  • FIG. 19 is a cross-sectional view taken along the C-C direction of FIG. 18;
  • FIG. 20 is a cross-sectional view of a fourth embodiment of an electronic oil pump according to an embodiment
  • FIG. 21 is a schematic view of the three-dimensional structure in one direction after the support member and the connection terminal are combined together in FIG. 20;
  • FIG. 22 is a schematic view of the three-dimensional structure in another direction after the support member and the connection terminal are combined together in FIG. 20;
  • FIG. 23 is a front view of the supporting member and the connection terminal in FIG. 21 or FIG. 22 after being combined together;
  • Fig. 24 is a sectional view taken along the D-D direction in Fig. 23.
  • the electronic oil pump in this embodiment can provide flowing power for a working medium in at least one of a vehicle lubrication system and a cooling system.
  • the electronic oil pump 100 includes a pump housing, a first rotor assembly 2, a stator assembly 4, a second rotor assembly 3, and an electric control board 6; the pump housing includes a pump cavity, the first rotor assembly 2, and the stator assembly 4 The second rotor assembly 3 and the electric control board 6 are placed in the pump cavity.
  • the pump cavity includes a first cavity 80 and a second cavity 90.
  • the first rotor assembly 2 is disposed in the first cavity 80.
  • the stator assembly 4 and the second rotor assembly 3 are disposed in the second cavity 90; the stator assembly 4 includes a stator iron core 41 and a coil 42; when the electronic oil pump 100 is operating, the electric control board 6 controls the current through the coil 42 of the stator assembly 4 according to a predetermined Changes in the regularity of the stator assembly 4 to control the stator assembly 4 to generate a varying excitation magnetic field.
  • the second rotor assembly 3 rotates under the action of the excitation magnetic field.
  • the second rotor assembly 3 can directly or indirectly drive the first rotor assembly 2 to rotate, and the first rotor assembly When 2 rotates, the volume of the hydraulic chamber in the first rotor assembly 2 changes, so that the working medium is pushed out to the outflow port to generate flowing power.
  • the pump casing includes a pump cover 1, a first casing 7, and a second casing 8, the pump cover 1 is fixedly connected to the first casing 7, and the first casing 7 and the second casing
  • the body 8 is fixedly connected; in this embodiment, the pump cover 1 and the first housing 7 are connected by screws or bolts.
  • This arrangement facilitates the disassembly and assembly of the electronic oil pump, thereby facilitating the maintenance of the first rotor assembly 2.
  • the pump cover 1 and the first casing 7 may also be connected by other methods, such as plugging or snapping; the first casing 7 and the second casing 8 are fixedly connected.
  • the first casing 7 is connected to the first casing 7
  • the second casing 8 is connected by screws or bolts. This arrangement makes it easier to disassemble and assemble the electronic oil pump.
  • the electronic control board 6 is disposed between the first casing 7 and the second casing 8 In the cavity, this also facilitates the maintenance of the electric control board 6, on the other hand, it can also make the connection between the first casing 7 and the second casing 8 more reliable, and the first casing 7 and the second casing 8 can also be By plugging, snapping or other connection methods.
  • the first rotor assembly 2 includes a first rotor 21 and a second rotor 22, the first rotor 21 includes a plurality of internal teeth, the second rotor 22 includes a plurality of external teeth, the internal teeth of the first rotor 21, and the second A hydraulic cavity 801 is formed between the outer teeth of the rotor 22.
  • the hydraulic cavity 801 is also part of the first cavity 80.
  • the first rotor 21 is sleeved on the outer periphery of the second rotor 22.
  • the electronic oil pump further includes an inlet 11 and an outlet 12. The working medium can enter the hydraulic chamber 801 through the inlet 11, and the working medium can leave the hydraulic chamber 801 through the outlet 12.
  • the first rotor 21 there is a certain eccentricity with the second rotor 22.
  • part of the external teeth of the second rotor 22 meshes with part of the internal teeth of the first rotor 21, thereby driving the first rotor 21 to rotate.
  • the inner volume of the hydraulic chamber 801 changes.
  • the first rotor assembly 2 is rotated from the starting point to an angle, the inside of the hydraulic chamber 801 is changed. The volume gradually increases to form a partial vacuum, and the working medium is sucked into the hydraulic chamber 801 from the inlet 11.
  • the electronic oil pump 100 further includes a pump shaft 9, and the pump shaft 9 can Drive part
  • the rotor assembly 2 rotates.
  • the pump shaft 9 can drive the second rotor 22 to rotate.
  • the first end of the pump shaft 9 is connected to the second rotor 22, and the second end of the pump shaft 9 is connected to the second rotor assembly 3.
  • the second rotor assembly 3 drives the second rotor 22 to rotate through the pump shaft 9, thereby realizing the rotation of the first rotor assembly 2, that is, the second rotor 22 and the first rotor 21 are driven by meshing the internal and external teeth.
  • the electronic oil pump 100 further includes a supporting member 5.
  • the supporting member 5 is at least partially disposed between the stator assembly 4 and the electric control board 6.
  • the stator assembly 4 is located on one side of the upper surface of the supporting member 5.
  • the control board 6 is located on one side of the lower surface of the support member 5; the electronic oil pump 100 includes connection terminals 10 that penetrate the upper and lower surfaces of the support member 5 and are fixedly connected to the support member 5.
  • connection terminal 10 The first end of the connection terminal 10 is connected to the stator assembly 4
  • the second end of the connection terminal 10 is connected to the electric control board 6; since the connection terminal 10 passes through at least part of the support 5 and is fixedly connected to the support 5, this is beneficial to prevent the connection terminal 10 from being separately connected to the stator assembly 4 and the electrical control
  • the board 6 is deformed when connected, which is beneficial to improving the reliability of the connection between the connection terminal 10 and the stator assembly 4 and the reliability of the connection between the connection terminal 10 and the electric control board 6.
  • the supporting member of the first embodiment is labeled as the supporting member 5 and the other numbers are not suffixed;
  • the support member of the embodiment is marked as a support member 5a, and the other numbers are added with a as a suffix;
  • the support member of the third embodiment is marked with a support 5b, and the other numbers are added with b as a suffix;
  • the support member of the fourth embodiment is marked
  • For the supporting member 5c c is used as a suffix for other reference numerals.
  • FIG. 1 is a schematic structural diagram of a first embodiment of an electronic oil pump
  • FIGS. 3 to 6 are schematic structural diagrams of a combination of a support member and a connection terminal in FIG. The support structure is described in detail.
  • the supporting member 5 includes a main body portion 50.
  • the main body portion 50 includes a first surface 501 and a second surface 502.
  • the first surface 501 and the second surface 502 are opposite to each other.
  • the main part 103 is at least partially tightly fitted to the main body part 50 of the support 5 or the main part 103 is at least partially injection-fixed to the main body part 50 of the support 5, that is, the main part 103 is at least partially embedded in the main body part in FIG. 50; this section 103 is at least partially fixedly connected to the main body portion 50 of the support member 5 in FIG. 6, the first connection portion 101 at least partially extends from the main body portion 50 of the support member 5, and the second connection portion 102 at least partially extends from the support member 5 1, the main body portion 50 is disposed between the electric control board 6 and the stator assembly 4.
  • the first connection portion 101 is at least partially connected to the stator assembly 4, and the second connection portion 102 is at least partially connected to the electric control plate 6.
  • the main portion 103 is partially embedded in the main body portion 50 of the support 5 and communicates with the main portion.
  • the part 50 is fixedly connected, so that the circumferential direction of part of the connection terminals 10 is supported, which is conducive to reducing the deformation of the connection terminals 10 caused when the connection terminals 10 are connected to the stator assembly 4 and the electric control board 6, and thus to improve the connection terminals. 10 Reliability of connection between the stator assembly 4 and the electric control board 6.
  • the material of the supporting member 5 is a non-metallic material.
  • the material of the supporting member 5 is plastic, so that the connection terminal 10 and the supporting member 5 can be insulated, thereby ensuring that the electronic oil pump is in operation. No conduction will be conducted through the support member 5.
  • the connection terminal 10 is used as an insert, and the connection terminal 10 and the support member 5 are integrally injection-molded.
  • FIG. 3 to FIG. 6 at least in part The main part 103 of the connection terminal 10 in FIG. 7 is fixed to the main body 50 of the support 5 by injection molding, so as to achieve a fixed connection between the connection terminal 10 and the support 5.
  • connection terminal 10 and the support 5 can also be processed to form two separate parts.
  • the connection terminal 10 is fixedly connected to the support 5 by other means such as tight fitting or bonding; referring to FIG. 6, at least one third of the connection terminals 10 are embedded in the support 5 and connected to the support 5. It is fixedly connected, so that part of the connection terminal 10 is supported in the circumferential direction, and on the other hand, the supporting area of the connection terminal 10 can be relatively increased, so that the connection terminal 10 is connected to the stator assembly 4 and the electric control board 6 in FIG. 1 respectively. Deformation decreases, and thus help improve the reliability of the connection between the connection terminals 6 and the connection terminal 10 and the reliability of control board 10 and electrically connected to the stator assembly 4.
  • connection terminal 10 is electrically connected to the stator assembly 4. This is helpful to ensure that the stator assembly 4 and the connection terminal 10 can fully contact each other, thereby helping to improve the electrical connection between the stator assembly 4 and the connection terminal 10. reliability.
  • the support 5 includes a first protruding portion 53 protruding from the first surface 501 of the main body portion 50 in a direction away from the first surface 501, and the first protruding portion 53 Spaced along the circumferential direction of the support 5, the connection terminals 10 pass through the first protrusion 53; the first protrusion 53 includes a groove 531, and the groove 531 extends from the upper surface 532 of the first protrusion 53 to the main body.
  • the direction of the first surface 501 of the portion 50 is recessed, the groove 531 does not penetrate the second surface 502 of the main body portion 50, the connection terminal 10 passes through the groove 531, and the outer periphery and the groove of the connection terminal 10 provided in the groove 531 There is a certain gap between the inner walls of 531, and the gap is filled with a sealant (not shown).
  • a sealant not shown.
  • the groove 531 is filled with a sealant, which is helpful to prevent the working medium from
  • the connection between the connection terminal 10 and the support 5 penetrates into the side where the electric control board 6 is located, so that there is It is beneficial to ensure that the performance of the electric control board 6 is not damaged; in this embodiment, the fixed connection is achieved by integrally injection-molding the support 5 and the connecting terminal 10, and then sealed by filling a sealant in the groove 531 to prevent Defects such as blowholes are caused during the injection molding process of the parts, so that the working medium penetrates to the side of the electrical control board 6 through the blowholes.
  • connection terminal 10 can also be directly injection-molded with the support 5 Sealing is achieved by fixing. At this time, it is not necessary to provide a groove 531 and fill a sealant in the groove 531 for sealing.
  • the height of the sealant after solidification is greater than or equal to the depth of the groove 531, that is, the sealant after the solidification should overflow the groove 531, which is helpful to fully ensure the sealability.
  • the support 5 is provided The first protruding portion 53 is formed, and the groove 531 is formed in the first protruding portion 53. In other embodiments, the first protruding portion 53 may not be provided according to the position of the connection terminal 10, but directly on the main body portion.
  • a groove 531 is directly formed on the first surface 501 of 50.
  • the supporting member 5 includes a plurality of first reinforcing ribs 54.
  • the first reinforcing ribs 54 are protruded from the first surface 501 of the main body portion 50 in a direction away from the first surface 501.
  • the supporting member 5 includes six first reinforcing ribs 54; the supporting member 5 includes a second protruding portion 55, and the second protruding portion 55 is protruded from the first surface 501 of the main body portion 50 in a direction away from the first surface 501.
  • the second protrusions 55 are disposed closer to the center of the support 5 than the first protrusions 53.
  • the first reinforcing ribs 54 are distributed in a circumferential array or space along the circumferential direction of the second protrusions 55.
  • a reinforcing rib 54 connects the first protruding portion 53 and the second protruding portion 55, which is conducive to improving the structural strength of the main body portion of the support member, thereby helping to prevent the main body portion 50 of the support member 5 from being deformed.
  • the first The two protrusions 55 are in a circular ring shape, and the second protrusions 55 are connected to one end of the first reinforcing rib 54.
  • the second protrusions 55 may be a closed structure composed of other polygons or Non-enclosed structure.
  • the supporting member 5 includes a positioning portion 56.
  • the positioning portion 56 is protruded from the first surface 501 of the main body portion 50 in a direction away from the first surface 501.
  • the distance between the end of the connection terminal 10 near the first surface 501 and the first surface 501 is a first distance H1
  • the vertical distance H0 between the positioning portion 56 and the first surface 501 is greater than the first distance H1.
  • the positioning The portion 56 is provided to facilitate the positioning of the support member 5 and the stator assembly 4 when assembling the support member 5 so as to prevent misalignment of the support member 5 during assembly.
  • the supporting member 5 includes two positioning portions 56, and the shape of the positioning portion 56 is cylindrical. Shape, in other embodiments, the shape of the positioning portion 56 may be a square or D shape, a circular ring, or other special structure.
  • the stator assembly 4 includes a stator core 41 and an insulating frame 43.
  • the stator core 41 is an injection-molded insert
  • the stator core 41 and the insulating frame 43 are integrally injection-molded
  • the insulating frame 43 includes a positioning hole. 44.
  • the number of positioning holes 44 corresponds to the number of positioning portions 56 of the supporting member. In conjunction with FIG. 1, when the supporting member 5 and the stator assembly 4 are assembled, the positioning holes 44 of the stator assembly 4 and the positioning portions 56 of the supporting member 5 are correspondingly matched.
  • the positioning portion 56 of the support member 5 is inserted into the positioning hole 44 of the stator assembly, thereby facilitating the positioning of the support member 5 and the stator assembly 4 during assembly, and preventing the mounting error of the support member 5.
  • the supporting member 5 includes a second reinforcing rib 57, and the second reinforcing rib 57 connects the positioning portion 56 and the first reinforcing rib 54, which is conducive to improving the structural strength of the positioning portion 56.
  • the second reinforcing rib 57 is protruded from the upper surface 541 of the first rib 54 to the upper surface 541 away from the first rib 54.
  • the supporting member 5 includes at least two third protruding portions 58.
  • the third protruding portions 58 are protruded from the second surface 502 of the main body portion 50 in a direction away from the second surface 502.
  • the protrusions 58 are spaced along the circumferential direction of the support 5.
  • the support 5 includes five third protrusions 58.
  • the third protrusions 58 can supply electricity in FIG. 1.
  • the control board 6 provides support; referring to FIG.
  • the vertical distance between the end of the connection terminal 10 near the second surface 502 and the second surface 502 is defined as a second distance H2, and the protrusion height of the third protrusion 58 is smaller than that of the first protrusion 502.
  • Two distances H2, in combination with FIG. 1, are set so that one end of the connection terminal 10 passes through the electric control board 6 in FIG. 1 first, and then supports the electric control board 6 in FIG. 1 through the third protrusion 58, thereby effectively
  • the third protrusion 58 is prevented from causing structural interference when the support 5 is assembled with the electric control board 6 in FIG. 1, so that the connection terminal 10 can be reliably connected with the electric control board 6 in FIG. 1.
  • the third protruding portion 58 includes a hollow portion 581, and the hollow portion 581 is hollowed from the upper end surface 5811 of the third protruding portion 58 to the second surface 502.
  • the weight of the support is beneficial to ensure that the wall thickness of the third raised portion 58 and the wall thickness of the support 5 do not differ too much, thereby helping to reduce the generation of air holes in the support 5 during the injection molding process or Deformation, etc.
  • the shape of the third convex portion 58 is U-shaped. In other embodiments, the shape of the third convex portion 58 may be cylindrical or square or D-shaped or circular or A combination of the above shapes.
  • the supporting member 5 includes a fourth protruding portion 59 that protrudes from the second surface 502 of the main body portion 50 in a direction away from the second surface 502.
  • the fourth protruding portion 59 59 is disposed closer to the center of the supporting member 5 than the third protruding portion 58.
  • the protruding height of the fourth protruding portion 59 is smaller than the second distance H2, which is beneficial to prevent the fourth protruding 59 from supporting the supporting member 5 and the electric control board. 6 Structural interference occurs during assembly, so that the connection terminal 10 can be reliably connected with the electric control board 6 in FIG. 1; in this embodiment, the fourth protruding portion 59 is formed at the center of the support 5.
  • the fourth raised portion 59 is completely formed in the center of the support 5.
  • all the fourth raised portions 59 formed within the processing error range are within the protection scope of the present application; with reference to FIG. 1,
  • the fourth raised portion 59 can provide support to the center side of the electric control board 6 in FIG. 1, which is beneficial to preventing the central control unit 6 from being deformed during the assembling process.
  • the supporting member 5 includes a groove 510, and the groove 510 is provided along the outer peripheral side wall of the supporting member 51.
  • the electronic oil pump 100 includes a sealing ring 70, and the sealing ring 70 is at least partially disposed in the groove 510. With reference to FIG. 1, this can prevent the working medium in the second cavity 90 from infiltrating the side of the electric control board 6 through the gap between the outer peripheral side wall of the support 5 and the inner peripheral side wall of the first housing 7.
  • FIG. 10 is a schematic structural diagram of a second embodiment of an electronic oil pump
  • FIGS. 11 to 14 are schematic structural diagrams of a support member in FIG. The structure is described in detail.
  • the supporting member 5 a includes a main body portion 50 a and a first end portion 51 a.
  • the first end portion 51 a is integrally formed with the main body portion 50 a.
  • the first end portion 51 a moves away from the first surface 501 a of the main body portion 50 a toward the first portion.
  • a surface 501a is protruded in a direction.
  • the inner peripheral side wall of the first end portion 51a and the first surface 501a of the main body portion 50a form a first hollow cavity 513a.
  • the first hollow cavity 513a is a part of the second cavity 90 in FIG. .
  • the first protrusions 53a and the first end portion 51a are integrally formed, and the first protrusions 53a are distributed along the circumferential direction of the support 5a.
  • the first protrusions 53a are integrally formed.
  • the portion 53a is protruded from the first surface 501a of the main body portion 50a in a direction away from the first surface 501a.
  • the first protrusion 53a is directed from the inner peripheral side wall 512a of the first end portion 51a.
  • the center axis of the support 5a is convexly provided.
  • the first end portion 51a further includes a top surface 511a, and an upper surface of the first protruding portion 53a is flush with the top surface 511a, which is convenient for processing; referring to FIG. 11, at least part of the first reinforcing rib 54a is connected
  • the inner peripheral side wall 512a of the first end portion 51a and the second reinforcing rib 55a are helpful for improving the structural strength of the first end portion 51a.
  • the supporting member 5a includes a first end portion 51a, and the first end portion 51a is integrally formed with the main body portion 50a.
  • the first end portion 51a By providing the first end portion 51a, when assembling the support 5a, the top surface 511a of the first end portion 51a can contact the stator assembly 4 to achieve the axial limit of the support 5; in this embodiment, the electronic oil pump
  • the first embodiment of the electronic oil pump and the support member which will not be described in detail here.
  • FIG. 15 is a schematic structural diagram of a third embodiment of the electronic oil pump
  • FIGS. 16 to 19 are structural schematic diagrams of the supporting member in FIG. 15. The structure is described in detail.
  • the supporting member 5b includes a main body portion 50b and a second end portion 52b.
  • the second end portion 52b is integrally formed with the main body portion 50b, and the second end portion 52b is formed from the second portion of the main body portion 50b.
  • the surface 502b is protruded away from the second surface 502b.
  • the inner peripheral side wall 521b of the second end portion 52b and the second surface 502b of the main body portion 50b form a second hollow cavity 522b.
  • the electric control board 6 is at least Partly located in the second hollow cavity 522b, which is beneficial to reduce the overall height of the electronic oil pump; referring to FIG. 17, in the axial direction of the support 5b, the third convex portion 58b is along the inner peripheral side wall of the second end portion 52b 521b is convexly provided from the second surface 502b of the main body portion.
  • the electronic oil pump 100 b includes a first casing 7 b and a second casing 8 b.
  • the second end portion 52 b is located between the first casing 7 b and the second casing 8 b.
  • the support 5 b is respectively connected to the first casing 7 b. Removable connection with the second casing 8b.
  • the support 5b is detachably connected with the first casing 7b and the second casing 8b through the second end portion 52b; the second end portion 52b includes a connection portion 522b
  • the connecting portion 522b is formed with a connecting hole 5221b, and the connecting hole 5221b is a through hole.
  • the second end portion 52b is detachably connected to the first casing 7b and the second casing 8b by screws or bolts, respectively. From the connection hole of the second case 8b, the connection hole of the second end portion 52b and the connection hole of the first case 7b are sequentially penetrated.
  • the supporting member 5b further includes a second end portion 52b, the second end portion 52b and the main body portion 50b are integrally formed, and the supporting member 5b passes through the second end
  • the portion 52b is detachably connected to the first casing 7b and the second casing 8b.
  • the support in this embodiment is connected to the first casing and the second casing. Removable connection by screws or bolts, this connection is simpler and more convenient for assembly; for other features of the electronic oil pump and support in this embodiment, please refer to the first embodiment of the electronic oil pump and support, here Not one by one.
  • FIG. 20 is a schematic structural diagram of a fourth embodiment of the electronic oil pump
  • FIG. 21 to FIG. 24 are structural schematic diagrams of the support member in FIG. The structure is described in detail.
  • the supporting member 5c includes a main body portion 50c, a first end portion 51c, and a second end portion 52c.
  • the main body portion 50c, the first end portion 51c, and the second end portion 52c are integrally formed.
  • the electronic oil pump 100c includes a first housing 7c and The second casing 8c and the second end portion 52c are located between the first casing 7c and the second casing 8c, and the support 5c is detachably connected to the first casing 7c and the second casing 8c.
  • the support 5c is detachably connected to the first casing 7c and the second casing 8c through the second end portion 52c.
  • the support 5c further includes a first end portion 51c and a second end portion 52c, a main body portion 50c, a first end portion 51c, and a second end
  • the portion 52c is integrally formed
  • the supporting member 5c is detachably connected to the first casing 7c and the second casing 8b through the second end portion 52c.
  • the support 51c in this embodiment is detachably connected to the first housing 7c and the second housing 8c by screws or bolts. The connection mode is simpler and easier to assemble.

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  • Engineering & Computer Science (AREA)
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  • General Engineering & Computer Science (AREA)
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  • Details And Applications Of Rotary Liquid Pumps (AREA)
  • Rotary Pumps (AREA)

Abstract

一种电子油泵（100）包括泵壳体，泵壳体设有泵内腔，泵内腔包括第一腔（80）和第二腔（90）；设置于第一腔（80）的第一转子组件（2）；定子组件（4）和第二转子组件（3），定子组件（4）和第二转子组件（3）设置于第二腔（90）；电控板（6）；支撑件（5），至少部分设置于定子组件（4）和电控板（6）之间；及连接端子（10）。该电子油泵（100）可减小连接端子（10）分别与定子组件（4）、电控板（6）连接时所造成的连接端子（10）的变形。

Description

电子油泵
本申请要求申请日为2018年5月28日、申请号为201810519275.4的中国专利申请的优先权，该申请的全部内容通过引用结合在本申请中。
技术领域
本申请涉及车辆领域，例如涉及一种电子油泵。
背景技术
车辆行业迅猛发展，随着车辆性能向着更安全、更可靠、更稳定、全自动智能化和环保节能方向发展，电子油泵被大量运用于车辆润滑系统和冷却系统中的至少一个之中，并能很好的满足市场的要求。
电子油泵主要为车辆的润滑系统和冷却系统中的至少一个提供动力源，电子油泵包括定子组件和电控板，通常定子组件和电控板通过连接端子电连接。
发明内容
本申请提供了一种电子油泵，能够有利于减小连接端子分别与定子组件、电控板连接时所造成的连接端子变形。
一种电子油泵，泵壳体，所述泵壳体设有泵内腔，所述泵内腔包括第一腔和第二腔；设置于所述第一腔的第一转子组件；定子组件和第二转子组件，所述定子组件和所述第二转子组件设置于所述第二腔；电控板；支撑件，所述支撑件至少部分设置于所述定子组件和所述电控板之间，所述支撑件包括主体部，所述主体部包括第一表面和第二表面，所述第一表面和所述第二表面相对设置；及连接端子，所述连接端子穿过所述主体部的所述第一表面和所述第二表面；所述连接端子包括本部、第一连接部以及第二连接部，所述本部设置于所述第一连接部与所述第二连接部之间，所述本部至少部分与所述主体部紧配或者所述本部至少部分与所述主体部注塑固定，所述第一连接部至少部分伸出所述主体部，所述第二连接部至少部分伸出所述主体部，所述第一连接部至少部分与所述定子组件连接，所述第二连接部至少部分与所述电控板连接。
由于本部至少部分与支撑件的主体部紧配或者注塑固定，这样使得连接端子的周向得到支撑，从而有利于减小连接端子分别与定子组件、电控板连接时所造成的连接端子变形。
附图说明
图1是一实施例提供的电子油泵的第一种实施方式的一个剖面结构示意图；
图2是图1中未装配泵盖的电子油泵的正视图；
图3是图1中支撑件和连接端子组合在一起后在一个方向上的立体结构示意图；
图4是图1中支撑件和连接端子组合在一起后在另一个方向上的立体结构示意图；
图5是图3或图4中支撑件和连接端子组合在一起的正视图；
图6是图5沿A-A方向的剖面图；
图7是图1或图3或图4或图5或图6中连接端子的立体结构示意图；
图8是图7中连接端子的正视图；
图9是图1中定子组件的立体结构示意图；
图10是一实施例提供的电子油泵的第二种实施方式的剖面图；
图11是图10中支撑件和连接端子组合在一起后在一个方向上的立体结构示意图；
图12是图10中支撑件和连接端子组合在一起后在另一个方向上的立体结构示意图；
图13是图11或图12中支撑件和连接端子组合在一起后的一个正视图；
图14是图13沿B-B方向的剖面图；
图15是一实施例提供的电子油泵的第三种实施方式的剖面图；
图16是图15中支撑件和连接端子组合在一起后在一个方向上的立体结构示意图；
图17是图15中支撑件和连接端子组合在一起后在另一个方向上的立体结构示意图；
图18是图16或图17中支撑件和连接端子组合在一起后的正视图；
图19是图18沿C-C方向的剖面图；
图20是一实施例提供的电子油泵的第四种实施方式的剖面图；
图21是图20中支撑件和连接端子组合在一起后在一个方向上的立体结构示意图；
图22是图20中支撑件和连接端子组合在一起后在另一个方向上的立体结构示意图；
图23是图21或图22中支撑件和连接端子组合在一起后的正视图；
图24是图23沿D-D方向的剖面图。
具体实施方式
本实施例中的电子油泵能够为车辆润滑系统和冷却系统中至少一个的工作介质提供流动的动力。
参见图1，电子油泵100包括泵壳体、第一转子组件2、定子组件4、第二转子组件3以及电控板6；泵壳体包括泵内腔，第一转子组件2、定子组件4、第二转子组件3以及电控板6置于泵内腔，本实施例中，泵内腔包括第一腔80和第二腔90，第一转子组件2设置于第一腔80，定子组件4及第二转子组件3设置于第二腔90；定子组件4包括定子铁芯41和线圈42，电子油泵100工作时，电控板6通过控制通过定子组件4的线圈42中的电流按照预定的规律变化，从而控制定子组件4产生变化的激励磁场，第二转子组件3在激励磁场的作用下转动，第二转子组件3能够直接或间接地带动第一转子组件2转动，第一转子组件2转动时，第一转子组件2内的液压腔的容积发生变化，使得工作介质被压出至出流口从而产生流动的动力。
参见图1，本实施例中，泵壳体包括泵盖1、第一壳体7和第二壳体8，泵盖1与第一壳体7固定连接，第一壳体7与第二壳体8固定连接；本实施例中，泵盖1与第一壳体7通过螺钉或螺栓连接，这样设置使电子油泵的拆装更加方便，从而有利于第一转子组件2的维修，当然泵盖1与第一壳体7也可以通过其他的方式连接，譬如插接或卡接等方式；第一壳体7与第二壳体8固定连接，在一实施例中，第一壳体7与第二壳体8通过螺钉或螺栓连接，这样设置一方面使电子油泵的拆装更加方便，本实施例中，由于电控板6设置于第一壳体7和第二壳体8之间的空腔内，这样还有利于电控板6的维修，另一方面还可以使第一壳体7与第二壳体8的连接更可靠，第一壳体7与第二壳体8也可以通过插接、卡接或等其他的连接方式。
参见图2，第一转子组件2包括第一转子21和第二转子22，第一转子21包括 多个内齿，第二转子22包括多个外齿，第一转子21的内齿和第二转子22的外齿之间形成有液压腔801，本实施例中，液压腔801也是第一腔80的一部分，本实施例中，第一转子21套设于第二转子22的外周。再参见图1，电子油泵还包括进流口11和出流口12，工作介质能够通过进流口11进入液压腔801，工作介质能够通过出流口12离开液压腔801；由于第一转子21与第二转子22之间存在一定的偏心距，第二转子22在转动时，第二转子22的部分外齿与第一转子21的部分内齿啮合，从而带动第一转子21转动，在第一转子21和第二转子22旋转一圈的过程中，液压腔801内容积发生变化，在一实施例中，当第一转子组件2从起始处转动到某一角度时，液压腔801内的容积逐渐增大从而形成局部真空，工作介质就从进流口11被吸入至液压腔801，当第一转子21和第二转子22继续转动时，原来充满工作介质的液压腔801容积逐渐减小，工作介质受到挤压，从而使得进入液压腔801内的工作介质被压出至出流口12从而产生流动的动力；本实施例中，电子油泵100还包括泵轴9，泵轴9能够带动部分第一转子组件2转动，本实施例中，泵轴9能够带动第二转子22转动，泵轴9的第一端与第二转子22连接，泵轴9的第二端与第二转子组件3连接，第二转子组件3通过泵轴9带动第二转子22转动，从而实现第一转子组件2的转动，即，第二转子22与第一转子21通过内外齿的啮合实现传动。
参见图1，电子油泵100还包括支撑件5，支撑件5至少部分设置于定子组件4和电控板6之间，本实施例中，定子组件4位于支撑件5上表面的一侧，电控板6位于支撑件5下表面的一侧；电子油泵100包括连接端子10，连接端子10贯穿支撑件5的上下表面并与支撑件5固定连接，连接端子10的第一端连接定子组件4，连接端子10的第二端连接电控板6；由于连接端子10穿过至少部分的支撑件5并与支撑件5固定连接，这样有利于防止连接端子10在分别与定子组件4及电控板6连接时产生变形，从而有利于提高连接端子10与定子组件4之间连接的可靠性及连接端子10与电控板6之间连接的可靠性。
以下将对支撑件的四种实施方式的结构进行阐述，为了方便描述两种实施方式的支撑件，第一种实施方式的支撑件标记为支撑件5，其他标号均不加后缀；第二种实施方式的支撑件标记为支撑件5a，其他标号均加a作为后缀；第三种实施方式的支撑件标记为支撑件5b，其他标号均加b作为后缀；第四种实施方式的支撑件标记为支撑件5c，其他标号均加c作为后缀。
参见图1，图1为电子油泵的第一种实施方式的结构示意图，图3至图6为图1 中支撑件与连接端子组合的一个结构示意图,以下将对电子油泵的第一种实施方式中的支撑件结构进行详细描述。
参见图3至图6，支撑件5包括主体部50，主体部50包括第一表面501和第二表面502，第一表面501和第二表面502相对设置，连接端子10贯穿主体部50的第一表面501和第二表面502；参见图7和图8，连接端子10包括本部103、第一连接部101以及第二连接部102，本部103设置于第一连接部101与第二连接部102之间，结合图6，本部103至少部分与支撑件5的主体部50紧配或者本部103至少部分与支撑件5的主体部50注塑固定，即本部103至少部分埋入图6中的主体部50；本部103至少部分与图6中支撑件5的主体部50固定连接，第一连接部101至少部分伸出支撑件5的主体部50，第二连接部102至少部分伸出支撑件5的主体部50，结合图1，主体部50设置于电控板6和定子组件4之间，第一连接部101至少部分连接定子组件4，第二连接部102至少部分连接电控板6；由于本部103部分埋入支撑件5的主体部50并与主体部50固定连接，这样使得部分连接端子10的周向得到支撑，从而有利于减小连接端子10与定子组件4、电控板6连接时所造成的连接端子10变形，进而有利于提高连接端子10与定子组件4、电控板6之间连接的可靠性。
参见图3至图6，支撑件5的材料为非金属材料，在一实施例中，支撑件5的材料为塑料，这样可以使连接端子10与支撑件5绝缘，从而保证电子油泵在工作时，不会通过支撑件5进行导电，本实施例中，以连接端子10为嵌件，连接端子10与支撑件5一体注塑成型，在一实施例中，参见图3至图6，至少有部分图7中的连接端子10的本部103与支撑件5的主体部50注塑固定，从而实现连接端子10与支撑件5的固定连接，当然连接端子10与支撑件5也可以分别加工形成两个单独的零部件后再通过紧配或粘接等其他方式实现连接端子10与支撑件5的固定连接；参见图6，至少有三分之一的连接端子10埋入支撑件5并与支撑件5固定连接，这样一方面使得部分连接端子10的周向得到支撑，另一方面可以相对增加连接端子10的支撑面积，从而使连接端子10分别与图1中的定子组件4、电控板6连接时减少变形，进而有利于提高连接端子10与定子组件4连接的可靠性及连接端子10与电控板6之间连接的可靠性。结合图1，至少有三分之一的连接端子10与定子组件4电连接,这样有利于保证定子组件4与连接端子10能够充分接触，从而有利于提高定子组件4与连接端子10电连接的可靠性。
参见图3和图6，支撑件5包括第一凸起部53，第一凸起部53自主体部50的第 一表面501向远离第一表面501的方向凸起，第一凸起部53沿着支撑件5的周向间隔分布，连接端子10穿过第一凸起部53；第一凸起部53包括凹槽531，凹槽531自第一凸起部53的上表面532向主体部50的第一表面501的方向凹陷设置，凹槽531未贯穿主体部50的第二表面502，连接端子10穿过凹槽531，设置于凹槽531内的连接端子10的外周与凹槽531的内壁之间具有一定的空隙，空隙内填充有密封胶(未图示)；结合图1，本实施例中的电子油泵100在工作时，第二腔90内有工作介质流入，这样有利于定子组件4的散热，为了防止工作介质从连接端子10与支撑件5的连接处渗入电控板6所在的一侧，因此在凹槽531内填充有密封胶，这样有利于防止工作介质从连接端子10与支撑件5的连接处渗入电控板6所在的一侧，从而有利于保证电控板6的性能不会被破坏；本实施例中，通过支撑5件与连接端子10的一体注塑成形实现固定连接，然后通过在凹槽531内填充密封胶进行密封，从而防止因零部件在注塑过程中产生气孔等缺陷从而使得工作介质通过气孔渗入至电控板6所在的一侧，在满足注塑不产生气孔等缺陷的前提下，连接端子10也可以与支撑件5直接注塑固定实现密封，此时不需要设置凹槽531以及在凹槽531内填充密封胶进行密封。本实施例中，密封胶凝固后的高度大于等于凹槽531的深度，即凝固后的密封胶要溢出凹槽531，这样有利于充分保证密封性；另外，本实施例中，支撑件5设置有第一凸起部53，凹槽531成形于第一凸起部53内，在其他实施例中，也可以根据连接端子10的位置不设置第一凸起部53，而是直接在主体部50的第一表面501上直接成形凹槽531。
参见图3和图5，支撑件5包括多个第一加强筋54，第一加强筋54自主体部50的第一表面501向远离第一表面501的方向凸起设置，本实施例中，支撑件5包括6个第一加强筋54；支撑件5包括第二凸起部55，第二凸起部55自主体部50的第一表面501向远离第一表面501的方向凸起设置，第二凸起部55比第一凸起部53更靠近支撑件5的中心设置，第一加强筋54沿着第二凸起部55的周向呈圆周阵列分布或间隔分布，至少部分的第一加强筋54连接第一凸起部53和第二凸起部55，这样有利于提高支撑件主体部的结构强度，从而有利于防止支撑件5的主体部50变形；本实施例中，第二凸起部55呈圆环形，且第二凸起部55与第一加强筋54的一端连接，在其他实施例中，第二凸起部55也可以为由其他多边形组成的封闭结构或非封闭结构。
参见图3，支撑件5包括定位部56，在支撑件5的轴向上，定位部56自主体部50的第一表面501向远离第一表面501的方向凸起设置；参见图6，定义靠近第一 表面501的连接端子10的一端与第一表面501之间的距离为第一距离H1，定位部56与第一表面501的垂直距离H0大于第一距离H1，本实施例中，定位部56的设置是为了在装配支撑件5时，便于支撑件5与定子组件4组装时的定位，从而防止支撑件5在组装时发生错装，定位部56与第一表面501的垂直距离H0大于第一距离H1,这样可以防止在组装支撑件5时连接端子10对定位部56的定位造成结构干涉；本实施例中，支撑件5包括两个定位部56，定位部56的形状为圆柱状，在其他实施例中，定位部56的形状也可以为方形或D形或圆环形或其他的异形结构。
参见图9，定子组件4包括定子铁芯41和绝缘架43，本实施例中，以定子铁芯41为注塑嵌件，定子铁芯41与绝缘架43一体注塑成型，绝缘架43包括定位孔44，定位孔44的数量与支撑件的定位部56的数量对应相等，结合图1，支撑件5与定子组件4组装时，定子组件4的定位孔44与支撑件5的定位部56对应配合设置，在一实施例中，支撑件5的定位部56插入定子组件的定位孔44，从而有利于支撑件5与定子组件4组装时的定位，防止支撑件5的错装。参见图3，支撑件5包括第二加强筋57，第二加强筋57连接定位部56和第一加强筋54，这样有利于提高定位部56的结构强度；本实施例中，第二加强筋57自第一加强筋54的上表面541向远离第一加强筋54的上表面541凸起设置，第二加强筋57的形状为三角形，第二加强筋57连接第一加强筋54的上表面541和定位部56的圆柱面，在其他实施例中，第二加强筋57也可以为四边形等其他形状。参见图4至图6，支撑件5至少包括两个第三凸起部58，第三凸起部58自主体部50的第二表面502向远离第二表面502的方向凸起设置，第三凸起部58沿着支撑件5的周向间隔分布，本实施例中，支撑件5包括五个第三凸起部58，结合图1，第三凸起部58能够给图1中的电控板6提供支撑；参见图6，定义靠近第二表面502的连接端子10的一端与第二表面502之间的垂直距离为第二距离H2，第三凸起部58的凸起高度小于第二距离H2，结合图1，这样设置使得连接端子10的一端先穿过图1中的电控板6，然后再通过第三凸起部58支撑图1中的电控板6，从而有效地防止第三凸起部58对支撑件5与图1中的电控板6装配时造成结构干涉，进而使得连接端子10能够与图1中的电控板6可靠连接。参见图4，本实施例中，第三凸起部58包括一镂空部581，镂空部581自第三凸起部58的上端面5811向第二表面502镂空设置，这样一方面有利于减小支撑件的重量，另一方面有利于保证第三凸起部58的壁厚与支撑件5其他处的壁厚不会相差太大，从而有利于减少支撑件5在注塑过程中气孔的产生或变形等，本实施例中，第三凸起部58的形状均为U形，在其他实施例中，第三凸起部58的 形状也可以为圆柱形或方形或D形或圆环形或上述几种形状的组合等。
参见图4和图6，支撑件5包括第四凸起部59，第四凸起部59自主体部50的第二表面502向远离第二表面502的方向凸起设置，第四凸起部59比第三凸起部58更靠近支撑件5的中心设置，第四凸起部59的凸起高度小于第二距离H2，这样有利于防止第四凸起59对支撑件5与电控板6装配时产生结构干涉，从而使得连接端子10能够与图1中的电控板6可靠连接；本实施例中，第四凸起部59成形于支撑件5的中心，当然由于制造加工误差，很难保证第四凸起部59完全成形于支撑件5的中心，本实施例中，所有在加工误差范围内形成的第四凸起部59均在本申请的保护范围内；结合图1，本实施例中，第四凸起部59能够给图1中电控板6的中心侧提供支撑，这样有利于防止电控板6在装配过程中出现中心凹陷等变形情况。
参见图6，支撑件5包括沟槽510，沟槽510沿支撑件51的外周侧壁周向设置，结合图1，电子油泵100包括密封圈70，密封圈70至少部分设置于沟槽510内；结合图1，这样能够防止第二腔90内的工作介质通过支撑件5的外周侧壁与第一壳体7的内周侧壁之间的间隙渗入至电控板6所在侧。
参见图10，图10为电子油泵的第二种实施方式的结构示意图，图11至图14为图10中支撑件的结构示意图，以下将对电子油泵的第二种实施方式中的支撑件的结构进行详细描述。
参见图11至图14，支撑件5a包括主体部50a和第一端部51a,第一端部51a与主体部50a一体成形，第一端部51a自主体部50a的第一表面501a向远离第一表面501a的方向凸出设置，第一端部51a的内周侧壁与主体部50a的第一表面501a形成第一中空腔513a，第一中空腔513a为图10中第二腔90的一部分。本实施例中，第一凸起部53a与第一端部51a一体成形，第一凸起部53a沿着支撑件5a的周向间隔分布,在支撑件5a的轴向上，第一凸起部53a自主体部50a的第一表面501a向远离第一表面501a的方向凸起设置，在支撑件5a的径向上，第一凸起部53a自第一端部51a的内周侧壁512a向支撑件5a的中心轴线凸起设置。本实施例中，第一端部51a还包括顶面511a,第一凸起部53a的上表面与顶面511a平齐，这样有利于加工；参见图11，至少部分的第一加强筋54a连接第一端部51a的内周侧壁512a和第二加强筋55a,这样有利于提高第一端部51a的结构强度。
与电子油泵和支撑件的第一种实施方式相比，本实施例中，支撑件5a包括第一端部51a,第一端部51a与主体部50a一体成形，结合图1，本实施例中，通过 设置第一端部51a使得在装配支撑件5a时，可以通过第一端部51a的顶面511a与定子组件4接触从而实现支撑件5的轴向限位；本实施方式中关于电子油泵和支撑件的其他特征可参考电子油泵和支撑件的第一种实施方式，在此就不一一赘述了。
参见图15，图15为电子油泵的第三种实施方式的结构示意图，图16至图19为图15中支撑件的结构示意图，以下将对电子油泵的第三种实施方式中的支撑件的结构进行详细描述。
参见图16至图19，支撑件5b包括主体部50b和第二端部52b，本实施例中，第二端部52b与主体部50b一体成形，第二端部52b自主体部50b的第二表面502b向远离第二表面502b的方向凸出设置，第二端部52b的内周侧壁521b与主体部50b的第二表面502b形成第二中空腔522b,结合图15，电控板6至少部分位于第二中空腔522b，这样有利于减小电子油泵的总体高度；参见图17，在支撑件5b的轴向上，第三凸起部58b沿着第二端部52b的内周侧壁521b自主体部的第二表面502b凸起设置。
结合图15，电子油泵100b包括第一壳体7b和第二壳体8b，第二端部52b位于第一壳体7b和第二壳体8b之间，支撑件5b分别与第一壳体7b和第二壳体8b可拆卸连接,在其他实施例中，支撑件5b通过第二端部52b与第一壳体7b、第二壳体8b可拆卸连接；第二端部52b包括连接部522b，连接部522b成形有连接孔5221b，连接孔5221b为通孔，结合图15，第二端部52b分别与第一壳体7b和第二壳体8b通过螺钉或螺栓可拆卸连接，螺钉或螺栓自第二壳体8b的连接孔依次穿入第二端部52b的连接孔和第一壳体7b的连接孔。
与电子油泵和支撑件的第一种实施方式相比，本实施例中，支撑件5b还包括第二端部52b，第二端部52b和主体部50b一体成形，支撑件5b通过第二端部52b与第一壳体7b、第二壳体8b可拆卸连接,相较于电子油泵与支撑件的第一种实施方式，本实施方式中的支撑件与第一壳体、第二壳体通过螺钉或螺栓可拆卸连接，这样的连接方式更简便，更有利于装配；本实施方式中关于电子油泵和支撑件的其他特征可参考电子油泵和支撑件的第一种实施方式，在此就不一一赘述了。
参见图20，图20为电子油泵的第四种实施方式的结构示意图，图21至图24为图20中支撑件的结构示意图，以下将对电子油泵的第四种实施方式中的支撑件的结构进行详细描述。
参见图21至图24，支撑件5c包括主体部50c、第一端部51c和第二端部52c,主体部50c、第一端部51c和第二端部52c一体成形，这里关于第一端部51c和第二端部52c的结构可参考支撑件的第二种实施方式和第三种实施方式，在此就不一一赘述了；结合图20，电子油泵100c包括第一壳体7c和第二壳体8c，第二端部52c位于第一壳体7c和第二壳体8c之间，支撑件5c与第一壳体7c、第二壳体8c可拆卸连接,在其他实施例中，支撑件5c通过第二端部52c与第一壳体7c、第二壳体8c可拆卸连接。
与电子油泵和支撑件的第一种实施方式相比，本实施例中，支撑件5c还包括第一端部51c和第二端部52c，主体部50c、第一端部51c和第二端部52c一体成形，支撑件5c通过第二端部52c与第一壳体7c、第二壳体8b可拆卸连接,相较于电子油泵与支撑件的第一种实施方式，本实施例中一方面通过设置第一端部51c有利于提高支撑件的结构强度，另一方面本实施方式中的支撑件51c与第一壳体7c、第二壳体8c通过螺钉或螺栓可拆卸连接，这样的连接方式更简便，更便于装配；本实施方式中关于电子油泵和支撑件的其他特征可参考电子油泵和支撑件的前三种实施方式，在此就不一一赘述了。

Claims (15)

  1. 一种电子油泵，包括：
    泵壳体，所述泵壳体具有泵内腔，所述泵内腔包括第一腔和第二腔；
    设置于所述第一腔的第一转子组件；
    定子组件和第二转子组件，所述定子组件和所述第二转子组件设置于所述第二腔；
    电控板；
    支撑件，所述支撑件至少部分设置于所述定子组件和所述电控板之间，所述支撑件包括主体部，所述主体部包括第一表面和第二表面，所述第一表面和所述第二表面相对设置；及
    连接端子，所述连接端子穿过所述主体部的所述第一表面和所述第二表面；所述连接端子包括本部、第一连接部以及第二连接部，所述本部设置于所述第一连接部与所述第二连接部之间，所述本部至少部分与所述主体部紧配或者所述本部至少部分与所述主体部注塑固定，所述第一连接部至少部分伸出所述主体部，所述第二连接部至少部分伸出所述主体部，所述第一连接部至少部分与所述定子组件连接，所述第二连接部至少部分与所述电控板连接。
  2. 根据权利要求1所述的电子油泵，其中，所述主体部设置于所述电控板和所述定子组件之间；所述支撑件还包括第一端部及第一中空腔，所述第一端部与所述主体部一体成形，所述第一端部设置为自所述主体部的所述第一表面向远离所述第一表面的方向凸出，所述第一中空腔设置为由所述第一端部的内周侧壁与所述主体部的所述第一表面形成，所述第一中空腔为所述第二腔的一部分。
  3. 根据权利要求2所述的电子油泵，其中，所述支撑件还包括第二端部及第二中空腔，所述第二端部与所述主体部一体成形，所述第二端部设置为自所述主体部的所述第二表面向远离所述第二表面的方向凸出，所述第二中空腔位于所述第二端部的内周侧壁与所述主体部的所述第二表面之间。
  4. 根据权利要求3所述的电子油泵，其中，所述泵壳体包括第一壳体和第二壳体，所述第二端部位于所述第一壳体和所述第二壳体之间，所述支撑件分别与所述第一壳体和所述第二壳体可拆卸连接。
  5. 根据权利要求1至4任一项所述的电子油泵，其中，所述支撑件的材料为非金属材料，所述支撑件设置为以所述连接端子为嵌件，与所述连接端子一体注塑成型；至少有三分之一的所述连接端子设置为埋入所述支撑件并与所述支 撑件固定连接，至少有三分之一的所述连接端子与所述定子组件电连接。
  6. 根据权利要求1至4任一项所述的电子油泵，其中，所述支撑件包括第一凸起部，所述第一凸起部设置为自所述主体部的所述第一表面向远离所述第一表面的方向凸起，且沿所述第一表面的周向间隔分布，所述连接端子设置为穿过所述第一凸起部；所述第一凸起部设有凹槽，所述凹槽设置为自所述第一凸起部的上表面向所述主体部的所述第一表面的方向凹陷，且未贯穿所述主体部的所述第二表面，所述连接端子设置为穿过所述凹槽，设置于所述凹槽内的所述连接端子的外周与所述凹槽的内壁之间设有空隙，所述空隙设置为填充有密封胶。
  7. 根据权利要求5所述的电子油泵，其中，所述支撑件包括第一凸起部，所述第一凸起部设置为自所述主体部的所述第一表面向远离所述第一表面的方向凸起，且沿所述第一表面的周向间隔分布，所述连接端子设置为穿过所述第一凸起部；所述第一凸起部设有凹槽，所述凹槽设置为自所述第一凸起部的上表面向所述主体部的所述第一表面的方向凹陷，且未贯穿所述主体部的所述第二表面，所述连接端子设置为穿过所述凹槽，设置于所述凹槽内的所述连接端子的外周与所述凹槽的内壁之间设有空隙，所述空隙设置为填充有密封胶。
  8. 根据权利要求6所述的电子油泵，其中，所述支撑件包括第一端部，所述第一端部与所述主体部一体成形，所述第一端部设置为自所述主体部的所述第一表面向远离所述第一表面的方向凸出；所述第一凸起部与所述第一端部一体成形，所述第一凸起部设置为在所述支撑件的轴向上，自所述主体部的第一表面向远离所述第一表面的方向凸起，且在所述支撑件的径向上，自所述第一端部的内周侧壁向所述支撑件的中心轴线凸起。
  9. 根据权利要求7或8所述的电子油泵，其中：所述支撑件还包括第二凸起部及多个第一加强筋，所述第一加强筋设置为自所述主体部的所述第一表面向远离所述第一表面的方向凸起；所述第二凸起部设置为自所述主体部的所述第一表面向远离所述第一表面的方向凸起，且比所述第一凸起部更靠近所述支撑件的中心，所述第一加强筋设置为沿所述第二凸起部的周向呈圆周阵列分布或间隔分布，至少部分的所述第一加强筋连接所述第一凸起部和所述第二凸起部。
  10. 根据权利要求1至4任一项所述的电子油泵，其中，所述支撑件还包括定位部，所述定位部设置为在所述支撑件的轴向上，自所述主体部的所述第一表面向远离所述第一表面的方向凸起；所述连接端子靠近所述第一表面的一端 与所述第一表面之间的垂直距离为第一距离，所述定位部与所述第一表面的垂直距离大于所述第一距离。
  11. 根据权利要求9所述的电子油泵，其中，所述支撑件还包括定位部，所述定位部设置为在所述支撑件的轴向上，自所述主体部的所述第一表面向远离所述第一表面的方向凸起；所述连接端子靠近所述第一表面的一端与所述第一表面之间的垂直距离为第一距离，所述定位部与所述第一表面的垂直距离大于所述第一距离。
  12. 根据权利要求11所述的电子油泵，其中，所述支撑件还包括第二加强筋，所述第二加强筋连接所述定位部和所述第一加强筋，所述第二加强筋设置为在所述定位部的轴向上，自所述第一加强筋的上表面向远离所述第一加强筋的上表面凸起。
  13. 根据权利要求12所述的电子油泵，其中，所述支撑件还包括至少两个第三凸起部，所述第三凸起部设置为自所述主体部的所述第二表面向远离所述第二表面的方向凸起，且沿所述支撑件的周向间隔分布，所述连接端子靠近所述第二表面的一端与所述第二表面之间的垂直距离为第二距离，所述第三凸起部沿凸起方向的高度小于所述第二距离。
  14. 根据权利要求13所述的电子油泵，其中，所述支撑件包括第四凸起部，所述第四凸起部设置为自所述主体部的所述第二表面向远离所述第二表面的方向凸起，且比所述第三凸起部更靠近所述支撑件的中心，所述第四凸起部的沿凸起方向的高度小于所述第二距离。
  15. 根据权利要求1所述的电子油泵，其中，所述支撑件还包括沟槽，所述沟槽沿所述支撑件的外周侧壁周向设置，所述电子油泵还包括密封圈，所述密封圈至少部分设置于所述沟槽内。
PCT/CN2019/088616 2018-05-28 2019-05-27 电子油泵 WO2019228311A1 (zh)

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