CN208749654U - Electronic water pump and impeller rotor assembly thereof - Google Patents
Electronic water pump and impeller rotor assembly thereof Download PDFInfo
- Publication number
- CN208749654U CN208749654U CN201821436894.9U CN201821436894U CN208749654U CN 208749654 U CN208749654 U CN 208749654U CN 201821436894 U CN201821436894 U CN 201821436894U CN 208749654 U CN208749654 U CN 208749654U
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- impeller
- casing
- vane rotor
- injection molding
- water pump
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 47
- 238000001746 injection moulding Methods 0.000 claims abstract description 69
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 42
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 35
- 239000010959 steel Substances 0.000 claims abstract description 35
- 239000004033 plastic Substances 0.000 claims abstract description 19
- 229920003023 plastic Polymers 0.000 claims abstract description 19
- 239000007924 injection Substances 0.000 claims abstract description 17
- 238000002347 injection Methods 0.000 claims abstract description 17
- 239000012778 molding material Substances 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims description 59
- 238000007789 sealing Methods 0.000 claims description 12
- 238000004806 packaging method and process Methods 0.000 claims description 9
- 229920000034 Plastomer Polymers 0.000 claims 1
- 238000000465 moulding Methods 0.000 abstract description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000002844 melting Methods 0.000 abstract description 3
- 230000008018 melting Effects 0.000 abstract description 3
- 239000000243 solution Substances 0.000 description 11
- 238000003466 welding Methods 0.000 description 8
- 239000002253 acid Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 7
- 239000007788 liquid Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 239000002826 coolant Substances 0.000 description 5
- 238000001816 cooling Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000003513 alkali Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010079 rubber tapping Methods 0.000 description 2
- 241000883990 Flabellum Species 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000005347 demagnetization Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000002991 molded plastic Substances 0.000 description 1
- 229910001172 neodymium magnet Inorganic materials 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000012815 thermoplastic material Substances 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model provides an electronic water pump and impeller rotor subassembly thereof. The impeller rotor assembly of the electronic water pump comprises an impeller and a rotor, the impeller comprises an impeller main body and blades, the rotor comprises an iron core, magnetic steel and a shaft sleeve, a magnetic steel groove is formed in the iron core, the magnetic steel is installed in the magnetic steel groove, the iron core and the magnetic steel plastic package form an impeller rotor assembly I in the impeller main body, and the shaft sleeve is subjected to secondary injection molding to form an impeller rotor assembly II in the impeller rotor assembly I. The impeller main body and the shaft sleeve of the impeller rotor assembly of the electronic water pump provided by the utility model are respectively molded by injection, so that the impeller main body can adopt injection molding materials with lower cost, and the manufacturing cost is saved; the iron core and the magnetic steel are sealed in the impeller main body in a plastic mode, bonding is firm, the size of the shaft sleeve is small, weight is light, and the shaft sleeve is not prone to slipping when the impeller rotor assembly rotates; the axle sleeve is small, and is fast when moulding plastics the axle sleeve, can not cause the influence to impeller rotor subassembly one to avoid melting impeller main part to cause the risk that iron core and magnet steel shifted.
Description
Technical field
The utility model relates to electronic water pump technical fields, in particular to a kind of vane rotor group of electronic water pump
Part and electronic water pump including the vane rotor component.
Background technique
Automobile-used electronic water pump impeller material is aluminium at present, and casting and forming, the flabellum and cover board of impeller connected by riveting
Blade, the at high cost of this structure, weight are big, and riveting molding causes the unbalancing value of impeller big.
Chinese patent literature CN104061169A discloses a kind of vane rotor structure, the structure using two stage injection molding at
Rotor core and magnet steel are first molded by type, the first step, and first step injection-molded article is molded by impeller by second step, whole
Body forms vane rotor component, suffers from the drawback that 1) rotor shaft hatch serves as sliding bearing rubs with shaft, it is necessary to use
Wear-resistant material, impeller and rotor shaft hatch are an entirety, and impeller has used reinforcing PPS (CF10%), so that the cost of impeller increases
Add；2) due to being molded twice using different materials, rotor assembly inner wall is Nian Jie with impeller insecure, and impeller weight is big, turns
Sub- impeller needs bigger torque when rotating, and rotor can be made to loosen with impeller, and Patent design front and back two pieces limits
Plate carrys out fixed rotor, and such a structure increases costs, and can not still solve the wind of rotor assembly and the skidding of circumference of impeller direction
Danger；3) injection molding for the first time is using PPS (GF30%) is strengthened, and second of injection molding uses PPS (CF10%), and the two is thermoplasticity material
Material, injection molding melting temperature is 300~330 DEG C, and second of injection molding impeller volume is bigger, and injection time is long, it is easy to melt
The injection molding body formed after being molded for the first time, iron core and magnet steel have the risk of displacement.
Utility model content
The utility model aims to solve the problem that at least one above-mentioned technical problem.
For this purpose, the purpose of the utility model first aspect is, a kind of vane rotor component of electronic water pump is provided.
The purpose of the utility model second aspect is, provides a kind of electronic water pump including above-mentioned vane rotor component.
To achieve the goals above, the technical solution of the utility model first aspect provides a kind of impeller of electronic water pump
Rotor assembly, including impeller and rotor, the impeller include impeller bodies and blade, and the rotor includes iron core, magnet steel and axis
Set, the iron core are equipped with magnetic slot, and the magnet steel is mounted in the magnetic slot, and the iron core and the magnet steel plastic packaging are in institute
Stating becomes vane rotor component one inside impeller bodies, the axle sleeve quadric injection mould becomes leaf in the vane rotor component one
Take turns rotor assembly two.
The vane rotor component for the electronic water pump that the utility model above-mentioned technical proposal provides, vane rotor component includes leaf
Wheel and rotor two parts, impeller includes impeller bodies, blade；Rotor includes iron core, magnet steel, axle sleeve, and vane rotor component passes through
Two stage injection molding technological forming, first step injection molding impeller bodies, second step injection molding axle sleeve, such impeller bodies and axle sleeve
Injected plastics material used can be different when respective injection molding, and the material requirements of injection molding impeller main body is high-intensitive, acid and alkali-resistance, note
The material requirements for moulding axle sleeve is wear-resisting, high-intensitive, acid and alkali-resistance, is molded the height of material cost used in axle sleeve, injection molding impeller main body institute
The cost of material is low, compared to the vane rotor component of the relevant technologies bottom bracket axle and impeller bodies integrated injection molding, this programme section
Manufacturing cost is saved, if because material used in axle sleeve is wear-resisting, high-intensitive, acid and alkali-resistance material using single injection-molded
Material, impeller bodies also use this material, higher cost.
Secondly, above scheme iron core, magnet steel plastic packaging, in impeller bodies, iron core, magnet steel are Nian Jie with impeller bodies securely；Axis
Cover it is small in size, it is light-weight, vane rotor component when rotated, drive axle sleeve rotation torque it is small, axle sleeve is not easy to skid, thus on
The risk that the scheme of stating has well solved rotor assembly in the related technology and circumference of impeller direction is skidded；Again, impeller bodies body
Product is big, and axle sleeve is small in size, and speed is fast when being molded axle sleeve, will not impact to vane rotor component one, namely in quadric injection mould
The impeller bodies of first time injection molding will not be melted when forming axle sleeve, therefore above scheme avoids in the related technology well
The injection molding body that melting is formed after being molded for the first time when second of injection molding impeller, the risk for causing iron core and magnet steel to shift.
In addition, the vane rotor component of the electronic water pump provided in the utility model above-mentioned technical proposal can also have as
Lower additional technical feature:
In the above-mentioned technical solutions, it is preferable that be molded the material of the impeller bodies and be molded the material of the axle sleeve not
Unanimously, the material cost of the impeller bodies is molded lower than the material cost for being molded the axle sleeve.
Impeller bodies and axle sleeve respectively injection molding when injected plastics material used it is different, be molded material cost used in axle sleeve
Height, the cost of material is low used in injection molding impeller main body, compared to the vane rotor component of axle sleeve and impeller bodies integrated injection molding, this
Scheme saves manufacturing cost, if because material used in axle sleeve is wear-resisting, high-intensitive, acidproof using single injection-molded
The material of alkali, impeller bodies also use this material, higher cost.
In the above-mentioned technical solutions, it is preferable that the iron core inner circle fluting, the injection molding material for being molded the axle sleeve are filled in institute
In the slot for stating iron core inner circle.
Iron core inner circle fluting, when being molded axle sleeve, injection molding material is filled into the slot of iron core inner circle, makes axle sleeve and iron core circumference side
To that will not skid, to well solve the risk of existing scheme rotor assembly and the skidding of circumference of impeller direction.
In the above-mentioned technical solutions, it is preferable that the blade is injection molding body, the vane rotor component two and the blade
Integrally become vane rotor component three by ultrasonic bonding.
Impeller is formed by ultrasonic welding process, and blade and vane rotor component two are carried out ultrasonic bonding, formed
Vane rotor component three；The injection mold structure of impeller integrated injection molding is complicated, and maintenance cost is high, therefore impeller is divided into leaf
Two components of wheel body and blade distinguish injection moldings, the upper design sealing wire of one in blade and vane rotor component two, another
Sealing wire is designed on one upper design welding groove, such as blade, welding groove is designed on vane rotor component two, then use supersonic welding
Capable molding is tapped into, the structure of injection mold is simple, greatly reduces the maintenance cost of injection mold.
In the above-mentioned technical solutions, it is preferable that be molded the material of the blade and the material phase for being molded the impeller bodies
Together.
Blade is formed using the material injection of injection molding impeller main body, has made the convenient formation of blade, but also not only convenient for blade
Ultrasonic welding operation is carried out with impeller bodies.
In any of the above-described technical solution, it is preferable that offer through slot on the inner wall of the axle sleeve.
Sleeve lining is provided with through slot, has air gap between the stator module and vane rotor component of electronic water pump, the two is formed
Water route is realized when water pump operation from cooling；The coolant liquid in sleeve lining sink enters in the gap of axle sleeve and shaft simultaneously,
Hydraulic film is formed when vane rotor high speed rotation, plays the role of sliding bearing lubricating.
The technical solution of the utility model second aspect provides a kind of electronic water pump, including pump case, controller, stator pack
Part, casing, shaft and the vane rotor component as described in any of the above-described technical solution, the casing are installed in the pump case and institute
It states between controller, the vane rotor component is inserted into the shaft, the axle sleeve of the vane rotor component and the shaft
Form clearance fit.
The electronic water pump that the utility model above-mentioned technical proposal provides, axle sleeve is integral with rotor as sliding bearing, leaf
It takes turns rotor assembly and clearance fit is carried out by axle sleeve and shaft, preferably axle sleeve and shaft length of fit is 25~30mm, operation
Shi Pingwen, rotor eccentric will not shake, and fix without bearing or aligning；When pump operation, vane rotor component is axially altered
Dynamic, when toward pump case direction play, axle sleeve upper surface and pump case bottom part (the D type gasket as being set to pump case bottom) friction are past
When bottom of shell play, axle sleeve lower surface and bottom of shell friction, axle sleeve use wear-resistant material.
In the above-mentioned technical solutions, it is preferable that there is gap, institute between the stator module and the vane rotor component
Gap is stated to be connected to form water route with the through slot on the sleeve lining.
Sleeve lining is provided with through slot, and the air gap between stator module and vane rotor component is connected to, and when pump operation is cold
But liquid stream turns, and realizes from cooling.
In the above-mentioned technical solutions, it is preferable that the casing is casing injection molding body, and the shaft is embedded in the casing injection molding
Internal portion, the shaft and the casing injection molding body become casing rotating assembly；Or the stator module is an integrally-molded, institute
Stating casing is casing injection molding body, and for the stator module plastic packaging inside the casing injection molding body, the shaft is embedded in the casing
Inside injection molding body, the stator module, the shaft and the casing injection molding body become case component.
Shaft and casing can be become into casing rotating assembly by the way that injection molding is fixed；It can also be by stator module integral molded plastic
It forms, then injection molding case component again, stator module plastic packaging is made to form self-sealing inside casing injection molding body.
In the above-mentioned technical solutions, it is preferable that the pump case is fixedly connected by screw with the front end of the casing, described
The first sealing ring is installed between pump case and the casing；The controller connects by the way that the rear end of screw and the casing is fixed
It connects, the second sealing ring is installed between the controller and the casing.
Pump case, controller are fixed by screw such as self-tapping screw and casing；Shaft and casing are fixed by injection molding, and impeller turns
Sub-component is inserted into shaft, and axle sleeve and shaft form clearance fit；When pump operation, play axially occurs for vane rotor component,
When past pump case direction play, axle sleeve upper surface and pump case bottom part (the D type gasket as being set to pump case bottom) friction, past casing
When the play of bottom, axle sleeve lower surface and bottom of shell friction, axle sleeve use wear-resistant material.
The additional aspect and advantage of the utility model will become obviously in following description section, or practical new by this
The practice of type is recognized.
Detailed description of the invention
The above-mentioned and/or additional aspect and advantage of the utility model from the description of the embodiment in conjunction with the following figures will
Become obvious and be readily appreciated that, in which:
Fig. 1 is the decomposition texture schematic diagram of the vane rotor component of the electronic water pump of the utility model one embodiment；
Fig. 2 is the structural schematic diagram of the vane rotor component one of the utility model one embodiment；
Fig. 3 is the structural schematic diagram of the vane rotor component two of the utility model one embodiment；
Fig. 4 is the structural schematic diagram of the vane rotor component three of the utility model one embodiment；
Fig. 5 is the assembling structure schematic diagram of the vane rotor component of the utility model one embodiment；
Fig. 6 is the structural schematic diagram of the electronic water pump of the utility model one embodiment；
Fig. 7 is the structural schematic diagram of the casing rotating assembly of the utility model one embodiment.
Wherein, the corresponding relationship between appended drawing reference and component names of the Fig. 1 into Fig. 7 are as follows:
1 axle sleeve, 2 magnet steel, 3 iron cores, 4 impeller bodies, 41 welding grooves, 5 blades, 51 bonding wires, 6 vane rotor components one, 7 leaves
Take turns rotor assembly two, 8 vane rotor components three, 9 vane rotor components, 10 electronic water pumps, 11 pump cases, 12 controllers, 13 stators
Component, 14 casing rotating assemblies, 15 second sealing rings, 16 casings, 17 shafts.
Specific embodiment
In order to be more clearly understood that the above objects, features, and advantages of the utility model, with reference to the accompanying drawing and have
The utility model is further described in detail in body embodiment.It should be noted that in the absence of conflict, this Shen
The feature in embodiment and embodiment please can be combined with each other.
Many details are explained in the following description in order to fully understand the utility model, still, this is practical
Novel to be implemented using other than the one described here other modes, therefore, the protection scope of the utility model is simultaneously
It is not limited by the specific embodiments disclosed below.
Referring to the vane rotor of Fig. 1 to Fig. 7 description electronic water pump according to some embodiments of the utility model
Component and electronic water pump.
As shown in Figures 1 to 5, a kind of vane rotor for electronic water pump that some embodiments according to the present utility model provide
Component 9, including impeller and rotor, impeller include impeller bodies 4 and blade 5, and rotor includes iron core 3, magnet steel 2 and axle sleeve 1, iron core
3 are equipped with magnetic slot, and magnet steel 2 is mounted in magnetic slot, and iron core 3 and 2 plastic packaging of magnet steel become vane rotor inside impeller bodies 4
Component 1,1 quadric injection mould of axle sleeve become vane rotor component 27 in vane rotor component 1.
Specifically, the moulding process of the vane rotor component of the electronic water pump of the utility model embodiment includes following step
It is rapid:
The magnet steel 2 not magnetized is mounted in the magnetic slot of iron core 3 by S102, then regard iron core 3 and magnet steel 2 as core model
One is placed in injection mould one and is molded by impeller bodies 4, and impeller bodies 4, iron core 3 and magnet steel 2 become vane rotor component 1；
Vane rotor component 1 is placed in injection mould two as core model two and is molded by axle sleeve 1 by S104, axle sleeve 1 and leaf
Taking turns rotor assembly 1 becomes vane rotor component 27.
Preferably, the material of the material of injection molding impeller main body 4 and injection molding axle sleeve 1 is inconsistent, the material of injection molding impeller main body 4
It is required that for high-intensitive, acid and alkali-resistance；The material requirements for being molded axle sleeve 1 is wear-resisting, high-intensitive, acid and alkali-resistance；Two kinds of injected plastics materials are
Thermoplastic material；Injected plastics material used is different when impeller bodies 4 and 1 respective injection molding of axle sleeve, is molded material used in axle sleeve 1
Expect at high cost, the cost of material is low used in injection molding impeller main body 4, turns compared to the impeller of axle sleeve 1 and 4 integrated injection molding of impeller bodies
Sub-component, this programme save manufacturing cost, if because material used in axle sleeve 1 is wear-resisting, high using single injection-molded
The material of intensity, acid and alkali-resistance, impeller bodies 4 also use this material, higher cost.
4 volume of impeller bodies is big, and axle sleeve 1 is small in size, and speed is fast when being molded axle sleeve 1, will not make to vane rotor component 1
At influence, 3 inner circle of iron core fluting, when being molded axle sleeve 1, injection molding material is filled into the slot of 3 inner circle of iron core, makes axle sleeve 1 and the circle of iron core 3
Circumferential direction will not skid.
In one embodiment of the utility model, as shown in Figure 4 and Figure 5, blade 5 is injection molding body, vane rotor component
27 integrally become vane rotor component 38 by ultrasonic bonding with blade 5；Preferably, the material and note of blade 5 are molded
The material for moulding impeller bodies 4 is identical.
In one specific embodiment, the moulding process of the vane rotor component of the electronic water pump of the utility model embodiment,
The following steps are included:
The magnet steel 2 not magnetized is mounted in the magnetic slot of iron core 3 by S102, then regard iron core 3 and magnet steel 2 as core model
It one is placed in injection mould one and (3 surface of iron core to be withstood by thimble and the surface of (not magnetizing) of magnet steel 2 positions up and down, in iron core 3
On the basis of hole) impeller bodies 4 are molded by, impeller bodies 4, iron core 3 and magnet steel 2 become vane rotor component 1, as shown in Figure 2；
Injection molding material is filled into iron core 3 in circular groove so that iron core 3 will not spin with impeller bodies 4, injected plastics material be strengthen PPS (GF30~
40%), injection temperature is 300~330 DEG C；
S104, vane rotor component 1 is placed in injection mould two as core model two (it is positioned up and down by thimble, with
On the basis of one 6 outer circle of vane rotor component) it is molded by axle sleeve 1, axle sleeve 1 and vane rotor component 1 become vane rotor component
27, as shown in Figure 3；Injected plastics material is to strengthen PPS (CF10~30%), and injection temperature is 300~330 DEG C；
S105 goes out blade 5 with the material injection of injection molding impeller main body 4 in S102；
Vane rotor component 27 and blade 5 are integrally become vane rotor component 38 by ultrasonic bonding by S106,
As shown in Figure 4；The pulling-out force of vane rotor component 27 and blade 5 is greater than 1000N, and weld seam is less than 0.1mm；
S108 obtains vane rotor component 9 to the processing that magnetize of vane rotor component 38, as shown in Figure 5.
The impeller bodies 4 that S102 is molded by are different from its injected plastics material of axle sleeve 1 that S104 is molded by, and impeller bodies 4 are molded
Material cost used is molded material cost used lower than axle sleeve 1, and axle sleeve 1 requires to be characterized in wear-resisting, high-intensitive, acidproof
Alkali, impeller bodies 4 require to be characterized in high-intensitive, acid and alkali-resistance, and can facilitate carry out ultrasonic bonding with blade 5, therefore leaf
Wheel body 4 and axle sleeve 1 select two different injection molding materials, and S102 and S104 are divided into two stage injection molding.
Using the vane rotor component of electronic water pump made of above-mentioned moulding process, as shown in Figure 1, including axle sleeve 1, magnet steel
2, iron core 3, impeller bodies 4, blade 5, wherein impeller bodies 4 are first time injection moldings, and axle sleeve 1 is second of injection molding；
Impeller bodies 4 are molded with iron core 3, magnet steel 2 (not magnetizing), axle sleeve 1 by step S102, S104 twice, form vane rotor group
Part 27, is molded by blade 5 by step S105, obtains vane rotor component 38 by step S106；It is obtained by step S108
To vane rotor component 9.
Magnet steel 2 preferably uses NdFeB material, and characteristic is high temperature demagnetization, and the moulding process of vane rotor component is pair
Vane rotor component 38 after molding magnetizes outside carrying out, and obtains vane rotor component.
Preferably, 1 inner wall of axle sleeve is provided with through slot, has between the stator module 13 and vane rotor component 9 of electronic water pump 10
There is gap, through slot is connected to the gap, and coolant liquid circulates when pump operation, is carried out from cooling.
The ultrasonic bonding of vane rotor component 27 and blade 5 forms, and bonding wire 51 is arranged on blade 5, and welding groove 41 is set
It sets on vane rotor component 27, welding groove 41 is obtained by injection molding impeller main body 4.
Injection molding body impeller bodies 4 have Anti-error structure, are properly positioned, are made when vane rotor component 38 is magnetized
Magnet steel 2 (not magnetizing) is directed at magnetizing coil.
The electronic water pump that the embodiments of the present invention provide, as shown in figure 5, including pump case 11, controller 12, impeller turn
Sub-component 9, stator module 13, casing rotating assembly 14, sealing ring；Pump case 11, controller 12 by screw such as self-tapping screw and
Casing 16 is fixed, and the first sealing ring is installed between pump case 11 and casing 16, is installed with second between controller 12 and casing 16
Sealing ring 15；Shaft 17 is molded by casing 16 as core model three, casing 16 and shaft 17 become casing rotating assembly 14, such as scheme
Shown in 6；Vane rotor component 9 is inserted into shaft 17, and axle sleeve 1 and shaft 17 form clearance fit；Axle sleeve 1 is matched with 17 gap of shaft
Conjunction length is 25~30mm, and coolant liquid is in the gap of vane rotor component 9 and shaft 17, when vane rotor component 9 operates
Fluid die is formed, beat will not occur for vane rotor component 9.
Further, there is gap, on the gap and 1 inner wall of axle sleeve between stator module 13 and vane rotor component 9
Through slot is connected to form water route.
1 inner wall of axle sleeve is provided with through slot, and the air gap between 9 component of stator module 13 and vane rotor is connected to, pump operation
When coolant liquid circulate, realize from cooling.
When electronic water pump 10 operates, vane rotor component 9 is axial to occur play, when toward 11 direction play of pump case, on axle sleeve 1
Surface and 11 bottom part of pump case (the D type gasket as being set to 11 bottom of pump case) friction, when toward 16 bottom play of casing, axle sleeve 1
Lower surface and 16 bottom friction of casing, axle sleeve 1 use wear-resistant material: strengthening PPS (CF10~30%).
The electronic water pump 10 that above scheme provides, axle sleeve 1 is integral as sliding bearing and rotor, shaft 17 and casing 16
Fixed, vane rotor component 9 is inserted into shaft 17, forms clearance fit, and axle sleeve 1 uses wear-resistant material, and 1 inner wall of axle sleeve be provided with it is logical
Slot, the air gap between stator module 13 and vane rotor component 9 are connected to, and coolant liquid circulates when pump operation, are realized from cooling.
It is of course also possible to which stator module 13 is an integrally-molded, then injection molding case component, casing 16 are machine again
Shell injection molding body, inside casing injection molding body, shaft 17 is embedded in inside casing injection molding body 13 plastic packaging of stator module, stator module 13,
Shaft 17 and casing injection molding body become case component, so that 13 plastic packaging of stator module forms self-sealing inside casing injection molding body.
Specifically, electronic water pump is automobile-used electronic water pump.
In the description of the utility model, it is to be understood that the orientation or positional relationship of the instructions such as term "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or unit must have specific direction, be constructed and operated in a specific orientation, it is thus impossible to understand
For limitations of the present invention.
In the description of the present invention, unless otherwise clearly defined and limited, term " connected ", " connection ", " Gu
It is fixed " etc. shall be understood in a broad sense, for example, " connection " may be a fixed connection, may be a detachable connection, or integrally connect
It connects, or electrical connection；It can be directly connected, it can also be indirectly connected through an intermediary.For the ordinary skill people of this field
For member, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc.
Mean that particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least the one of the utility model
In a embodiment or example.In the present specification, schematic expression of the above terms are not necessarily referring to identical embodiment
Or example.Moreover, the particular features, structures, materials, or characteristics of description can be in any one or more embodiment or examples
In can be combined in any suitable manner.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of vane rotor component of electronic water pump, including impeller and rotor, which is characterized in that
The impeller includes impeller bodies and blade, and the rotor includes iron core, magnet steel and axle sleeve, and the iron core is equipped with magnet steel
Slot, the magnet steel are mounted in the magnetic slot, and the iron core and the magnet steel plastic packaging become leaf inside the impeller bodies
Rotor assembly one is taken turns, the axle sleeve quadric injection mould becomes vane rotor component two in the vane rotor component one.
2. the vane rotor component of electronic water pump according to claim 1, which is characterized in that
The material of the material and the injection molding axle sleeve that are molded the impeller bodies is inconsistent, be molded the materials of the impeller bodies at
This is lower than the material cost for being molded the axle sleeve.
3. the vane rotor component of electronic water pump according to claim 1, which is characterized in that
The iron core inner circle fluting, the injection molding material for being molded the axle sleeve are filled in the slot of the iron core inner circle.
4. the vane rotor component of electronic water pump according to any one of claim 1 to 3, which is characterized in that
The blade is injection molding body, and the vane rotor component two integrally becomes impeller by ultrasonic bonding with the blade
Rotor assembly three.
5. the vane rotor component of electronic water pump according to claim 4, which is characterized in that
The material for being molded the blade is identical as the material for being molded the impeller bodies.
6. the vane rotor component of electronic water pump according to any one of claim 1 to 3, which is characterized in that
Through slot is offered on the inner wall of the axle sleeve.
7. a kind of electronic water pump, which is characterized in that including pump case, controller, stator module, casing, shaft and such as claim 1
To vane rotor component described in any one of 6, the casing is installed between the pump case and the controller, the impeller
Rotor assembly is inserted into the shaft, and the axle sleeve of the vane rotor component and the shaft form clearance fit.
8. electronic water pump according to claim 7, which is characterized in that
There is gap, the through slot on the gap and the sleeve lining between the stator module and the vane rotor component
Connection forms water route.
9. electronic water pump according to claim 7, which is characterized in that
The casing is casing injection molding body, and the shaft is embedded in inside the casing injection molding body, the shaft and casing note
Plastomer becomes casing rotating assembly；Or
The stator module is an integrally-molded, and the casing is casing injection molding body, and the stator module plastic packaging is in the casing
Inside injection molding body, the shaft is embedded in inside the casing injection molding body, the stator module, the shaft and casing injection molding
Body becomes case component.
10. electronic water pump according to claim 7, which is characterized in that
The pump case is fixedly connected by screw with the front end of the casing, is installed with first between the pump case and the casing
Sealing ring；
The controller is fixedly connected by screw with the rear end of the casing, is installed between the controller and the casing
Second sealing ring.
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| CN201821436894.9U CN208749654U (en) | 2018-08-31 | 2018-08-31 | Electronic water pump and impeller rotor assembly thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821436894.9U CN208749654U (en) | 2018-08-31 | 2018-08-31 | Electronic water pump and impeller rotor assembly thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110486321A (en) * | 2019-08-26 | 2019-11-22 | 佛山市力诚智能科技有限公司 | A kind of water pump rotor forming method |
| CN110871545A (en) * | 2018-08-31 | 2020-03-10 | 广东威灵汽车部件有限公司 | Impeller rotor assembly of electronic water pump, forming process of impeller rotor assembly and electronic water pump |
| WO2021218728A1 (en) * | 2020-04-30 | 2021-11-04 | 杭州三花研究院有限公司 | Fabrication method for rotor assembly, rotor assembly, and electric pump |
-
2018
- 2018-08-31 CN CN201821436894.9U patent/CN208749654U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110871545A (en) * | 2018-08-31 | 2020-03-10 | 广东威灵汽车部件有限公司 | Impeller rotor assembly of electronic water pump, forming process of impeller rotor assembly and electronic water pump |
| CN110486321A (en) * | 2019-08-26 | 2019-11-22 | 佛山市力诚智能科技有限公司 | A kind of water pump rotor forming method |
| WO2021218728A1 (en) * | 2020-04-30 | 2021-11-04 | 杭州三花研究院有限公司 | Fabrication method for rotor assembly, rotor assembly, and electric pump |
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Effective date of registration: 20190522 Address after: 528311 Building No. 21 Gangqian Road, Industrial Park, Beijiao Town, Shunde District, Foshan City, Guangdong Province Patentee after: GUANGDONG WELLING AUTO PARTS Co.,Ltd. Address before: 528311 No. 2, Keyuan No. 2, Ronggui High-tech Development Zone, Shunde District, Foshan City, Guangdong Province Patentee before: GUANGDONG MIDEA ENVIRONMENT TECHNOLOGY Co.,Ltd. |
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