CN203835808U - Electric hydraulic pump - Google Patents

Electric hydraulic pump Download PDF

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Publication number
CN203835808U
CN203835808U CN201320797589.3U CN201320797589U CN203835808U CN 203835808 U CN203835808 U CN 203835808U CN 201320797589 U CN201320797589 U CN 201320797589U CN 203835808 U CN203835808 U CN 203835808U
Authority
CN
China
Prior art keywords
hydraulic pump
oil hydraulic
vessel
pitching vessel
pitching
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.)
Expired - Fee Related
Application number
CN201320797589.3U
Other languages
Chinese (zh)
Inventor
阿尔弗雷德·埃尔塞萨
奥利弗·弗里茨
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mahle International GmbH
Original Assignee
Mahle International GmbH
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 Mahle International GmbH filed Critical Mahle International GmbH
Application granted granted Critical
Publication of CN203835808U publication Critical patent/CN203835808U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00Pumping installations or systems
    • F04D13/02Units comprising pumps and their driving means
    • F04D13/06Units comprising pumps and their driving means the pump being electrically driven
    • F04D13/0606Canned motor pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/60Mounting; Assembling; Disassembling
    • F04D29/62Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
    • F04D29/628Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for liquid pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05DINDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2260/00Function
    • F05D2260/30Retaining components in desired mutual position
    • F05D2260/36Retaining components in desired mutual position by a form fit connection, e.g. by interlocking
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05DINDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2260/00Function
    • F05D2260/30Retaining components in desired mutual position
    • F05D2260/39Retaining components in desired mutual position by a V-shaped ring to join the flanges of two cylindrical sections, e.g. casing sections of a turbocharger

Abstract

The utility model relates to an electric hydraulic pump (1). The electric hydraulic pump (1) is provided with a wet area (2), a dry area (7) and a separation pot (9), wherein a pump impeller (3) and a permanent stimulation rotor (4) of a motor (5) are arranged in the wet area, a stator (6) of the motor (5) is arranged in the dry area, and the separation pot separates the wet area (2) from the dry area (7). The electric hydraulic pump is characterized in that the separation pot (9) is connected with a hydraulic shell (12) surrounding the pump impeller (3) and/or a driving shell (13) surrounding the dry area (7) through a hemming connecting part (10) or a clamping connecting part (11) in a sealing mode. Therefore, simple and reliable fixation between the single shells can be achieved especially.

Description

Electric hydraulic pump
Technical field
The utility model relates to a kind of electric hydraulic pump with wet zone and dry region.
Background technique
Be known to a kind ofly by the electric hydraulic pump with wet zone of generic from EP2 476 914A1, in this wet zone, be furnished with the permanently excited rotor of pump impeller and brushless d.c.motor.In addition oil hydraulic pump also has dry region, in this dry region, is furnished with circuit board.Wet zone and dry region are by being positioned at the partition wall of Transverse plane separate by pitching vessel.In addition circuit board also has multiple power semiconductors, and described multiple power semiconductors have respectively a cooling mark, and these power semiconductors are arranged in the nearside towards partition wall of another circuit board.Cooling being marked on this self conductor circuit that is placed in respectively circuit board, wherein, at it, the side towards this circuit board has non-conductive hot film to partition wall, and this non-conductive hot film is corresponding to be directly placed on cooling mark conductor circuit.Thus, should provide so a kind of oil hydraulic pump, wherein, especially power semiconductor is directly contacted with the conductor circuit on circuit board by good cooling and its cooling mark.
By the shortcoming of the known oil hydraulic pump of prior art especially its about the high mounting cost of housing.
Model utility content
Therefore, the utility model is intended to solve following problem, that is, for the mode of execution that provides a kind of improvement by the oil hydraulic pump of the type of generic, the feature of this mode of execution is especially the structure of simplifying and is also thus low cost and simple installation.
According to the utility model, this problem is solved by a kind of electric hydraulic pump, and it has:
Wet zone is furnished with the permanently excited rotor of pump impeller and motor in described wet zone,
Do region, in described dry region, be furnished with the stator of described motor,
Pitching vessel, described pitching vessel makes described wet zone and described dry region separation,
Described pitching vessel is by crimping joint or clamp joint hermetically with hydraulic pressure housing around described pump impeller and/or be connected with the drive shell around described dry region.
The utility model based on general thoughts, that is, interconnects the multi-part type housing of electric hydraulic pump no longer as in the past by single spire, but by simple structure structurally and crimping joint or clamp joint and interconnect cheaply.At this, there is in known manner wet zone according to electric hydraulic pump of the present utility model, in described wet zone, be furnished with the permanently excited rotor of pump impeller and motor.Be provided with equally dry region, in described dry region, be furnished with the stator of motor.Be provided with pitching vessel in order to make wet zone and dry region separation.Now according to the utility model, pitching vessel is by crimping joint or clamp joint hermetically with hydraulic pressure housing around pump impeller and/or be connected hermetically with around the drive shell in dry region.Under the best circumstances, pitching vessel by mentioned crimping joint or clamp joint is not only connected with hydraulic pressure housing but also with drive shell and cause thus hydraulic pressure housing by pitching vessel in drive shell fixing.Crimping joint or clamp joint and substitute within the scope of this needed bolt joint so far, thus, not only can simplify the installation according to electric hydraulic pump of the present utility model, and can cancel so far in order to screw needed independent link, manufacture at low cost on the whole thus electric hydraulic pump.Not only therefore crimping joint but also clamping joint are that one is installed simply and the while connects feasible program cheaply.This connection feasible program but conventionally can not be unclamped the in the situation that of crimping joint.And for clamping joint, even can with subsequently repeat to close to unclamp this clamping joint, especially also can realize more at low cost thus the repairing according to oil hydraulic pump of the present utility model.
Reasonably, oil hydraulic pump is configured to coolant pump.At present especially in the scope of coolant pump, use oil hydraulic pump, it is designed to disposable member, and in the time of fault, will not repair thus, but is only replaced.For this disposable member, suitable especially according to crimping joint of the present utility model or clamping joint, this is because the repairing of oil hydraulic pump and therefore for example opening all of crimping joint are arranged.
According in the favourable improvement project of solution of the present utility model, construct pitching vessel bar shape, there is outwardly flange, wherein, on described flange, be furnished with outwardly hyoplastron.Described hyoplastron forms according to a part for crimping joint of the present utility model or clamping joint, and utilize be arranged in drive shell and/or on hydraulic pressure housing and towards curved edge or the clamping of pitching vessel, for the manufacture of crimping joint or clamp joint.In the present embodiment, as crimping joint, pitching vessel can be for example by metal, and wherein, hyoplastron is configured to simple lath.In order to close the crimping joint preferably arranging in this case, hyoplastron is now simply around the curved edge of drive shell or hydraulic pressure housing, wherein, what especially it is contemplated that is, single hyoplastron is alternately around the curved edge on edge and the hydraulic pressure housing of drive shell, and therefore not only makes hydraulic pressure housing but also drive shell is fixed on pitching vessel.The self-evident hyoplastron that also can make is only around the edge of drive shell or the curved edge of hydraulic pressure housing, carries out fixing on other housing of pitching vessel subsequently by traditional interface unit.Clamping in the alternative mode of execution of joint, pitching vessel can be constructed by metal or by composite, and wherein, in this case, hyoplastron is for example connected on the flange of pitching vessel by film hinge and thus can be bending simply.If hyoplastron is also provided with corresponding engaging profile in addition, the protruding nose of for example engaging, hyoplastron can be easily and engaging together with corresponding edge on hydraulic pressure housing or in drive shell.At this, pitching vessel provides very large advantage by the structure of metal, that is, metal allows the higher heat transfer property of oil hydraulic pump and therefore higher thermal conductivity and better cooling.
According in another favourable mode of execution of solution of the present utility model, in the dry region of oil hydraulic pump, be furnished with the control electronic equipment for controlling oil hydraulic pump, described control electronic equipment especially conduct heat be connected by the pitching vessel of metal.Because pitching vessel is by the connection of the direct heat transfer of the structure of metal and control electronic equipment, make to realize the effective cooling of oil hydraulic pump fairly simplely, can improve thus the production capacity according to oil hydraulic pump of the present utility model.
In addition reasonably, hydraulic pressure housing can have the especially direct fluid portion of the type of flow channel.At this, direct fluid portion can be the constituent element of hydraulic pressure housing or is designed to embedded piece and is secured on pitching vessel by crimping joint or clamping joint together with hydraulic pressure housing.Self-evident, also can only make direct fluid portion by crimping joint or clamp joint to be connected with pitching vessel, wherein, so hydraulic pressure housing is connected with pitching vessel or drive shell in conventional interconnection technique.By there is the hydraulic pressure housing of direct fluid portion described in direct fluid portion being integrated into can manufacture in hydraulic pressure housing in unique common job step, can realize on the one hand thus low cost and the superior production of quality simultaneously, can make on the other hand mounting cost minimize.
Other key character of the present utility model and advantage obtain from dependent claims, accompanying drawing and the brief description of the drawings by accompanying drawing.
Be understandable that, feature above-mentioned and that also will set forth below, in the situation that not departing from scope of the present utility model, not only can be used in the corresponding combination providing, and can use in other combination or use separately.
Brief description of the drawings
Preferred embodiment of the present utility model shown in the drawings and in explanation below in more detail set forth, wherein, member identical or similar or that function is identical is enclosed to same reference numerals.Schematically illustrated at this:
Fig. 1 illustrates through according to the sectional drawing of oil hydraulic pump of the present utility model;
Fig. 2 illustrates the view through the direct fluid portion of oil hydraulic pump;
Fig. 3 illustrates the sectional drawing through the direct fluid portion of oil hydraulic pump;
Fig. 4 is illustrated in the sectional drawing in the join domain of single housing part and pitching vessel, for the crimping joint that these parts are connected is better shown, wherein, the lower hyoplastron of pitching vessel is shown;
Fig. 5 is illustrated in the sectional drawing in the join domain of single housing part and pitching vessel, for the crimping joint that these parts are connected is better shown, wherein, the upper hyoplastron of pitching vessel is shown;
Fig. 6 illustrate have crimping joint according to the part sectioned view of pitching vessel of the present utility model;
Fig. 7 is illustrated in the view of the crimping joint between pitching vessel and drive shell and hydraulic pressure housing;
Fig. 8 is the sectional drawing the same with Figure 4 and 5, but is in the situation that clamping joint.
Fig. 9 is the sectional drawing the same with Fig. 7, but is in the situation that clamping joint.
Embodiment
According to Fig. 1, there is wet zone 2 according to electric hydraulic pump 1 of the present utility model, in described wet zone 2, be furnished with the permanently excited rotor 4 of pump impeller 3 and motor 5.At this, rotor 4 is connected with pump impeller 3 in anti-relative rotation by axle 6.Be provided with equally dry region 7, in described dry region 7, be furnished with the stator 8 of motor 5.At this, separation between wet zone 2 and dry region 7 is undertaken by pitching vessel 9, according to the utility model, described pitching vessel 9 by crimping joint 10 (referring to Fig. 1 to Fig. 7) or clamp joint 11 (referring to Fig. 8 and Fig. 9) and hydraulic pressure housing 12 around pump impeller 3 and/or be connected hermetically around the drive shell 13 of doing region 7.Therefore the housing of oil hydraulic pump 1 is configured to multi-part type, that is, built by hydraulic pressure housing 12, and described hydraulic pressure housing 12 is connected with drive shell 13 by pitching vessel 9.In this external pitching vessel 9, can also be provided with the supporting portion 22 for supporting axle 6, wherein, the second supporting portion 22 ' can be arranged in the scope of hydraulic pressure housing 12.Described two housing members 12,13 by conventional interface unit, for example, are inter-connected via a bolt joint so far.But this shortcoming having is, the adapter of the type of for example bolt of interface unit must be kept in advance and in addition, mounting cost is higher, and this causes the higher cost of oil hydraulic pump 1 on the whole.Because oil hydraulic pump 1 need not be repaired conventionally, and is constructed to disposable component, thus do not need the housing of easily opening, thus single housing part also can interconnect by the crimping joint 10 that needn't open.The construction if housing can be separated from each other, also can arrange equally cheaply but the clamping joint 11 that also will open again, and this makes to repair easy if desired.
Oil hydraulic pump 1 preferable configuration is coolant pump and within the scope of Motor Vehicle.Pitching vessel 9 cylinder shape ground build, and have outwardly flange 14, on described flange 14, are furnished with outwardly hyoplastron 15.Packing in state, pitching vessel 9 sandwiches between hydraulic pressure housing 12 and drive shell 13 with its flange 14.If especially observe Fig. 4-5 and Fig. 8 at this, can find out and be provided with Sealing 23, described Sealing 23 sandwiches flange 14 therebetween and makes thus hydraulic pressure housing 12 to seal with respect to drive shell 13.At this, Sealing 23 can with the formal construction of simple O-ring seals and be contained on hydraulic pressure housing 12 with drive shell on corresponding recess in.
In order to manufacture according to crimping joint 10 of the present utility model or to clamp joint 11, in drive shell 13 and/or on hydraulic pressure housing 12, be provided with the edge 16,16 ' towards pitching vessel, the hyoplastron 15 of pitching vessel 9 is around described edge 16,16 ' bending, for the manufacture of crimping joint 10, or the hyoplastron 15 of pitching vessel 9 utilizes described edge 16,16 ' clamping, for the manufacture of clamping joint 11.At this, according to Fig. 4 to Fig. 7, the crimping joint 10 of pitching vessel 9 not only illustrates with drive shell 13 but also together with hydraulic pressure housing 12, wherein, so the single hyoplastron 15 of pitching vessel 9 is alternately around the edge 16 ' of hydraulic pressure housing 12 or edge 16 bendings of drive shell 13, as this is clear that from Fig. 4 to Fig. 7.
Similarly also can realize and clamp joint 11 (referring to Fig. 8 and Fig. 9), wherein, 15 of hyoplastrons alternately utilize the edge 16 of drive shell 13 and the edge of hydraulic pressure housing 12 16 ' to clamp.To this, hyoplastron 15 has for example engaging profile 17, by described engaging profile 17 by hyoplastron 15 and edge 16,16 ' engaging.When pitching vessel 9 being fixed on hydraulic pressure housing 12 and/or in drive shell 13 according to clamping joint 11 of the present utility model, pitching vessel 9 can be constructed by metal or by composite, wherein, under latter event, hyoplastron 15 can especially be connected on the flange 14 of pitching vessel 9 by film hinge 18.Self-evident, clamp joint 11 in order to manufacture, pitching vessel 9 and flange 14 also can be by metal together with hyoplastron 15.What it is contemplated that equally is, pitching vessel 9 is by means of being only connected with hydraulic pressure housing 12 or drive shell 13 according to clamping joint 11 of the present utility model or crimping joint 10, wherein, can for example carry out fixing on other housing member 13,12 by bolt by traditional interconnection technique.
If further observe Fig. 1, can find out, in the dry region 7 of oil hydraulic pump 1, be furnished with the control electronic equipment 19 for controlling oil hydraulic pump 1.This control electronic equipment 19 can conduct heat and construct with pitching vessel 9, and wherein, pitching vessel 9 controlled electronic equipment 19 especially effectively cooling by metal in the situation that, and the power that therefore can realize oil hydraulic pump 1 improves.
In this external another favourable mode of execution, hydraulic pressure housing 12 can also have the especially direct fluid portion 20 of the type of flow channel 21, and thus, this direct fluid portion 20 can simply and at low cost manufacture together with hydraulic pressure housing 12 and therefore.As an alternative, self-evident, direct fluid portion 20 also can be configured to independent embedded piece, and wherein, 9 of pitching vessels are only connected with direct fluid portion 20 and are correspondingly connected with drive shell 13 by its hyoplastron 15.In this case, hydraulic pressure housing 12 fixing in direct fluid portion 20 undertaken by independent interface unit.
Utilize according to oil hydraulic pump 1 of the present utility model and can obtain the fairly simple of oil hydraulic pump 1 and install cheaply, this is because bolt connection piece needed costliness and that mounting cost is high is preferably fully phased out so far.Because be originally configured to disposable component according to oil hydraulic pump 1 of the present utility model in the scope of coolant pump, so do not need the housing of easily opening for repairing object, occur thus according to crimping joint 10 of the present utility model or clamp joint 11.

Claims (11)

1. electric hydraulic pump, it has:
Wet zone (2) is furnished with the permanently excited rotor (4) of pump impeller (3) and motor (5) in described wet zone,
Do region (7), in described dry region, be furnished with the stator (6) of described motor (5),
Pitching vessel (9), described pitching vessel is separated described wet zone (2) and described dry region (7),
It is characterized in that, described pitching vessel (9) is by crimping joint (10) or clamp joint (11) hermetically with hydraulic pressure housing (12) around described pump impeller (3) and/or be connected with the drive shell (13) around described dry region (7).
2. oil hydraulic pump according to claim 1, is characterized in that, described oil hydraulic pump (1) is configured to coolant pump.
3. oil hydraulic pump according to claim 1 and 2, it is characterized in that, be configured with outwardly flange (14) described pitching vessel (9) bar shape, wherein, on described flange (14), be furnished with outwardly hyoplastron (15).
4. oil hydraulic pump according to claim 3, is characterized in that, described pitching vessel (9) sandwiches between described hydraulic pressure housing (12) and described drive shell (13) with its flange (14).
5. oil hydraulic pump according to claim 3, it is characterized in that, go up and/or be provided with the edge (16,16 ') towards described pitching vessel (9) in described drive shell (13) on described hydraulic pressure housing (12), the hyoplastron (15) of described pitching vessel (9) is around described edge (16,16 ') bending, for the manufacture of described crimping joint (10), or the hyoplastron (15) of described pitching vessel (9) utilizes described edge (16,16 ') to clamp, for the manufacture of described clamping joint (11).
6. according to the oil hydraulic pump described in any one in claim 1 to 2, it is characterized in that, described pitching vessel (9) is constructed by metal or by composite.
7. according to the oil hydraulic pump described in any one in claim 1 to 2, it is characterized in that, in the dry region (2) of described oil hydraulic pump (1), be furnished with the control electronic equipment (19) for controlling described oil hydraulic pump (1).
8. oil hydraulic pump according to claim 7, is characterized in that, described pitching vessel (9) is constructed by metal or by composite, and described control electronic equipment (19) conducts heat and is connected with described pitching vessel (9).
9. according to the oil hydraulic pump described in any one in claim 1 to 2, it is characterized in that, described hydraulic pressure housing (12) has the direct fluid portion (20) of the type of flow channel (21), or is provided with the direct fluid portion of the type of independent embedded piece.
10. according to the oil hydraulic pump described in any one in claim 1 to 2, it is characterized in that, described pitching vessel (9) has the supporting portion (22) of the axle (6) for supporting described motor (5).
11. according to the oil hydraulic pump described in any one in claim 1 to 2, it is characterized in that, described pitching vessel (9) is by sheet material structure.
CN201320797589.3U 2012-12-05 2013-12-05 Electric hydraulic pump Expired - Fee Related CN203835808U (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201210222359 DE102012222359A1 (en) 2012-12-05 2012-12-05 Electric fluid pump for use as coolant pumps used in automotive field, has split portion that is connected with hydraulic housing surrounding impeller and sealed with drive housing in drying section through flare or clip connection
DE102012222359.2 2012-12-05

Publications (1)

Publication Number Publication Date
CN203835808U true CN203835808U (en) 2014-09-17

Family

ID=50726091

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320797589.3U Expired - Fee Related CN203835808U (en) 2012-12-05 2013-12-05 Electric hydraulic pump

Country Status (2)

Country Link
CN (1) CN203835808U (en)
DE (1) DE102012222359A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014008971A1 (en) * 2014-06-23 2015-12-24 Wilo Se Wet rotor motor pump
DE102020105343B4 (en) 2020-02-28 2022-07-07 Nidec Gpm Gmbh Cost-optimized coolant pump

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19718027C5 (en) * 1997-04-29 2005-07-21 Miele & Cie. Kg Synchronous pump, in particular drain pump for washing machines and dishwashers
DE19909371A1 (en) * 1999-03-03 2000-09-07 Wilo Gmbh Service adapter for heating or cooling system, with connection apertures able to be locked against entry of fluid into casing cavity
DE102006027001A1 (en) * 2006-06-08 2007-12-13 Oase Gmbh Water pump for especially ponds, aquariums, fountains and the like
EP2476914B1 (en) 2011-01-13 2017-08-02 Pierburg Pump Technology GmbH Electric vehicle coolant pump

Also Published As

Publication number Publication date
DE102012222359A1 (en) 2014-06-05

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140917

Termination date: 20191205

CF01 Termination of patent right due to non-payment of annual fee