CN205331003U - Shielding formula is rotor subassembly for electronic pump - Google Patents
Shielding formula is rotor subassembly for electronic pump Download PDFInfo
- Publication number
- CN205331003U CN205331003U CN201620074642.0U CN201620074642U CN205331003U CN 205331003 U CN205331003 U CN 205331003U CN 201620074642 U CN201620074642 U CN 201620074642U CN 205331003 U CN205331003 U CN 205331003U
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- housing
- water pump
- motor shaft
- end cap
- rotor assembly
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Abstract
The utility model belongs to the technical field of the automobile water pump technique and specifically relates to a shielding formula is rotor subassembly for electronic pump, including the motor shaft, installing the housing at epaxial rotor of motor and installation motor shaft, the one end of housing is the open end, is equipped with the sealing washer on the outer periphery of open end, and the open end adopts the sealing washer just to fix a position with sealed with electronic pump's end cover, and the open end radially outwards extends connecting portion, the connecting portion of open end and electronic pump's end cover fixed connection. The utility model discloses a shielding formula is rotor subassembly for electronic pump passes through screw and end cover fixed connection, makes motor shaft, housing and electronic pump form a whole, can not lead to the decentraction of motor shaft because of stator or motor casing part size problem, just fixes a position with electronic pump's end cover through the sealing washer of housing open end earlier during the assembly, and open end that right rear screen covers the cover passes through screw and end cover fixed connection, can not lead to motor element to break because of the adsorptivity of rotor and stator.
Description
Technical field
This utility model relates to auto pump technical field, the rotor assembly of especially a kind of electronic water pump。
Background technology
Existing many electronic shield water pumps use housing to be that two ends are not sealed, O is all adopted to seal, increase failpoint not say, and technique is more complicated, in high-protection level, simply using O possibly and cannot meet its water proof and dust proof requirement, O, will necessarily aging or thermal deformation under the environment that colds and heat succeed each other；And during assembling, multiple O position, increase technique assembling coefficient。
Some is one end injection mo(u)lding, one end is not sealed, O is adopted to seal with self-align, axially select stator core spacing or bottom of shell location, this just requires that each element size necessarily requires accurately, most housing selects working of plastics, casing is cast aluminium product, both dimensioned precision differences can cause that assembling is tight or loose, if it is qualified to assemble, housing and housing internal rotor are in cantilever beam structure, long-play, vibrations and rubber ring aging, capital makes housing with casing not in the same horizontal line, strengthens the abrasion of axle and bearing。And without fastening link, when causing assembling, rotor and housing can be directly sucked in stator center due to the magnetic attraction that rotor is powerful, and end cap also due to suction separates, causes that end-cap assembly is ressembled with housing, it is impossible to ensure whether it assembles well；Additionally, one end injection moulding sealing, owing to motor runs up, and automobile storage is not for producing friction bottom the concussion of people's control or shake, motor shaft and moulding, and eventually due to worn out bottom housing, current enter stator and lost efficacy。
Utility model content
The purpose of this utility model is the defect overcoming prior art to exist, it is provided that the shielded electronic-type water pump rotor assembly that a kind of concentricity is high and reliable and stable。
In order to realize the purpose of this utility model, be the technical scheme is that
Shielded electronic-type water pump rotor assembly of the present utility model, including motor shaft, the rotor being arranged on motor shaft and the housing installing described motor shaft, described motor shaft is installed in rotation in housing, one end of described housing is opening, the outer circumference surface of described opening is provided with sealing ring, position and seal at the beginning of described opening and the end cap employing sealing ring of electronic water pump, described opening extends radially outwardly out connecting portion, and the connecting portion of described opening is fixing with the end cap of electronic water pump to be connected。
The other end of housing described in the utility model is back cover, and described back cover and described housing are made into integration, and described back cover has mounting groove, and the bottom land of described mounting groove is provided with stainless steel gasket。
Being provided with rear bearing in mounting groove described in the utility model, described motor shaft is installed in rotation in housing near one end of back cover by rear bearing, and described motor shaft is installed in rotation in housing by fore bearing near one end of described end cap。
Rotor described in the utility model is arranged between described fore bearing and rear bearing, is provided with bolster between described fore bearing and rotor, is coated with wear plate in described bolster, and described wear plate is socketed on described motor shaft and arranges near described fore bearing。
The outer circumference surface of opening described in the utility model is provided with seal groove, arranges described sealing ring in described seal groove, and described sealing ring is rubber ring。
The connecting portion of opening described in the utility model is provided with screw hole, and described connecting portion is connected by screw is fixing with the end cap of electronic water pump。
Connecting portion described in the utility model is provided with locating dowel towards the side of described end cap, described end cap is provided with the hole, location coordinated with described locating dowel, the diameter of described locating dowel is more than the diameter of described screw hole, or the position positioning hole and screw hole on described end cap is not on same circumference。
The inside of housing described in the utility model is fluid zone, and the outside of described canned motor pump is dry section, described motor shaft be provided with axially through axis hole。
End cap described in the utility model is provided with inlet opening, and described axis hole is liquid outlet near one end of end cap, and the medial surface of described mounting groove is uniformly provided with multiple fluid passage, and described axis hole is connected with described fluid zone by fluid passage。
Fore bearing described in the utility model and rear bearing adopt carborundum or graphite to make。
Shielded electronic-type water pump rotor assembly of the present utility model provides the benefit that:
1. housing is connected by screw and end cap are fixing, installs motor shaft in housing, makes motor shaft, housing and electronic water pump form an entirety, will not cause the not concentric of motor shaft because of stator or motor casing accessory size problem；
2. first passing through during assembling at the beginning of the sealing ring of housing opening and the end cap of electronic water pump and position, then the opening of housing is connected by screw and end cap are fixing, will not cause that electric machine assembly is broken because of the adsorptivity of rotor Yu stator；
3. during motor rotation, can with stainless steel gasket friction during motor shaft play, it is prevented that housing back cover is worn out；
4. fore bearing and wear plate friction, lubricated by the coolant in fluid zone, it is achieved the effect of noise reduction and life-saving；
5. the material of fore bearing and rear bearing is carborundum or graphite, need lubrication, and the coolant in fluid zone can enter the gap of fore bearing and motor shaft and rear bearing and motor shaft, makes bearing be in lubricating status, bearing sufficient lubrication can be made, noise will not be produced due to friction；
6. coordinated by locating dowel and hole, location and realize location, it is prevented that screw hole cannot be directed at。
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, this utility model is described in further detail。
Fig. 1 is shielded electronic-type water pump rotor component construction schematic diagram of the present utility model；
Fig. 2 is shield cover structure schematic diagram of the present utility model；
Fig. 3 is housing top view of the present utility model；
Fig. 4 is housing of the present utility model and end cap attachment structure schematic diagram；
Fig. 5 is that housing of the present utility model is connected schematic perspective view with end cap；
Fig. 6 is end cover structure schematic diagram of the present utility model。
Wherein: housing 1；End cap 2, inlet opening 21；Sealing ring 3；Connecting portion 4, locating dowel 41, screw hole 42；Motor shaft 5, liquid outlet 51；Stainless steel gasket 6；Fluid passage 7；Bolster 8；Wear plate 9；Rotor 10, fore bearing 101, rear bearing 102。
Detailed description of the invention
In description of the present utility model, it will be appreciated that, term " radially ", " axially ", " on ", D score, " top ", " end ", " interior ", the orientation of the instruction such as " outward " or position relationship be based on orientation shown in the drawings or position relationship, it is for only for ease of description this utility model and simplifies description, rather than the device of instruction or hint indication or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model。In description of the present utility model, except as otherwise noted, " multiple " are meant that two or more。
In description of the present utility model, it is necessary to explanation, unless otherwise clearly defined and limited, term " installation ", " setting ", " connection " should be interpreted broadly, for instance, it is possible to it is fixing connection, it is also possible to be removably connect, or connect integratedly；Can be joined directly together, it is also possible to be indirectly connected to by intermediary。For the ordinary skill in the art, it is possible to understand above-mentioned term concrete meaning in this utility model as the case may be。
As shown in figures 1 to 6, the shielded electronic-type water pump rotor assembly of the present embodiment includes motor shaft 5, be arranged on motor shaft 5 rotor 10 and install the housing 1 of motor shaft 5, motor shaft 5 is installed in rotation in housing 1, one end of housing 1 is opening, the outer circumference surface of opening is provided with sealing ring 3, opening and the end cap 2 of electronic water pump adopt the first location of sealing ring 3 and seal, opening extends radially outwardly out connecting portion 4, and the connecting portion 4 of opening is fixing with the end cap 2 of electronic water pump to be connected。
Specifically, the outer circumference surface of opening is provided with seal groove, sealing ring 3 is set in seal groove, sealing ring 3 is rubber ring, opening and the end cap 2 of electronic water pump adopt the first location of sealing ring 3 and seal, connecting portion 4 and the end cap 2 of opening are provided with screw hole 42, connecting portion 4 is connected by screw is fixing with the end cap 2 of electronic water pump, for the ease of docking, connecting portion 4 is provided with locating dowel 41 towards the side of end cap 2, end cap 2 is provided with the hole, location coordinated with locating dowel 41, maloperation during in order to prevent from installing, obscure by the screw hole 42 on end cap and hole, location, in the present embodiment, the locating dowel 41 on housing is designed to different size with the screw hole 42 on end cap, namely the diameter of locating dowel 41 is more than the diameter of screw hole 42, both are made to coordinate, avoid in the screw hole 42 that locating dowel 41 sinks on end cap, wherein, locating dowel 41 can be cylindrical, square column type or other cylindricalitys, locating dowel 41 is perpendicular to the cross section of its centrage and is greater than screw hole 42 and is perpendicular to the cross section of its centrage, make in the screw hole 42 that locating dowel 41 cannot sink on end cap。Or the position positioning hole and screw hole 42 on end cap 2 is not on same circumference, hole, location and locating dowel 41 are to cooperate with relation, when therefore docking, locating dowel 41 and the position of screw hole 42 be not also on same circumference, it is impossible to inserts in the screw hole 42 on end cap 2, it is prevented that maloperation。
In the present embodiment, housing 1 is connected by screw is fixing with end cap 2, motor shaft 5, housing 1 and electronic water pump is made to form an entirety, the not concentric of motor shaft 5 will not be caused because of stator or motor casing accessory size problem, the sealing ring 3 of housing 1 opening and the end cap 2 just location of electronic water pump is first passed through during assembling, then the opening of housing 1 is connected by screw is fixing with end cap 2, will not cause that electric machine assembly is broken because of the adsorptivity of rotor 10 with stator。
As in Figure 2-4, the other end of housing 1 is back cover, and back cover and housing 1 are made into integration, back cover has mounting groove, and the bottom land of mounting groove is provided with stainless steel gasket 6, during motor rotation, can rub with stainless steel gasket 6 during motor shaft 5 play, it is prevented that housing 1 back cover is worn out。
As shown in figures 1 to 6, rear bearing 102 it is provided with in mounting groove, motor shaft 5 is installed in rotation in housing 1 near one end of back cover by rear bearing 102, motor shaft 5 is installed in rotation in housing 1 near one end of end cap 2 by fore bearing 101, rotor 10 is arranged between fore bearing 101 and rear bearing 102, bolster 8 it is provided with between fore bearing 101 and rotor 10, wear plate 9 it is coated with in bolster 8, wear plate 9 is socketed on motor shaft 5 and arranges near fore bearing 101, fore bearing 101 and wear plate 9 rub, lubricated by coolant, the effect of noise reduction and life-saving can be realized, preferably, fore bearing 101 and rear bearing 102 adopt carborundum or graphite to make。
The material of fore bearing 101 and rear bearing 102 is carborundum or graphite needs lubrication, rotor 10 is also required to lubrication, simultaneously in order to reduce noise, the indoor design of housing 1 is fluid zone, the outside of canned motor pump is dry section, motor shaft 5 be provided with axially through axis hole, end cap 2 is provided with inlet opening 21, axis hole is liquid outlet 51 near one end of end cap 2, the medial surface of mounting groove is uniformly provided with multiple fluid passage 7, axis hole is connected with fluid zone by fluid passage 7, coolant in fluid zone can enter the gap of fore bearing 101 and motor shaft 5 and rear bearing 102 and motor shaft 5, bearing is made to be in lubricating status, bearing sufficient lubrication can be made, noise will not be produced due to friction。
Should be appreciated that specific embodiment described above is only for explaining this utility model, be not used to limit this utility model。The apparent change extended out by spirit of the present utility model or variation are still among protection domain of the present utility model。
Claims (10)
1. a shielded electronic-type water pump rotor assembly, including motor shaft (5), it is arranged on the rotor (10) on motor shaft (5) and the housing (1) of described motor shaft (5) is installed, described motor shaft (5) is installed in rotation in housing (1), it is characterized in that: one end of described housing (1) is opening, the outer circumference surface of described opening is provided with sealing ring (3), the end cap (2) of described opening and electronic water pump adopts sealing ring (3) just position and seal, described opening extends radially outwardly out connecting portion (4), the connecting portion (4) of described opening is fixing with the end cap (2) of electronic water pump to be connected。
2. shielded electronic-type water pump rotor assembly according to claim 1, it is characterized in that: the other end of described housing (1) is back cover, described back cover and described housing (1) are made into integration, described back cover has mounting groove, and the bottom land of described mounting groove is provided with stainless steel gasket (6)。
3. shielded electronic-type water pump rotor assembly according to claim 2, it is characterized in that: in described mounting groove, be provided with rear bearing (102), described motor shaft (5) is installed in rotation in housing (1) near one end of back cover by rear bearing (102), and described motor shaft (5) is installed in rotation in housing (1) by fore bearing (101) near one end of described end cap (2)。
4. shielded electronic-type water pump rotor assembly according to claim 3, it is characterized in that: described rotor (10) is arranged between described fore bearing (101) and rear bearing (102), bolster (8) it is provided with between described fore bearing (101) and rotor (10), being coated with wear plate (9) in described bolster (8), described wear plate (9) is socketed in the upper and close described fore bearing (101) of described motor shaft (5) and arranges。
5. shielded electronic-type water pump rotor assembly according to claim 1, it is characterized in that: the outer circumference surface of described opening is provided with seal groove, arranging described sealing ring (3) in described seal groove, described sealing ring (3) is rubber ring。
6. shielded electronic-type water pump rotor assembly according to claim 1, it is characterized in that: the connecting portion (4) of described opening and end cap (2) are provided with corresponding screw hole (42), described connecting portion (4) is connected by screw is fixing with the end cap (2) of electronic water pump。
7. shielded electronic-type water pump rotor assembly according to claim 6, it is characterized in that: described connecting portion (4) is provided with locating dowel (41) towards the side of described end cap (2), described end cap (2) is provided with the hole, location coordinated with described locating dowel (41), the diameter of described locating dowel (41) is more than the diameter of described screw hole (42), or the position of hole, location on described end cap (2) and screw hole (42) is not on same circumference。
8. shielded electronic-type water pump rotor assembly according to claim 1, it is characterized in that: the inside of described housing (1) is fluid zone, the outside of described canned motor pump is dry section, described motor shaft (5) be provided with axially through axis hole。
9. shielded electronic-type water pump rotor assembly according to claim 8, it is characterized in that: described end cap (2) is provided with inlet opening (21), described axis hole is liquid outlet (51) near one end of end cap (2), the medial surface of described mounting groove is uniformly provided with multiple fluid passage (7), and described axis hole is connected with described fluid zone by fluid passage (7)。
10. shielded electronic-type water pump rotor assembly according to claim 3, it is characterised in that: described fore bearing (101) and rear bearing (102) adopt carborundum or graphite to make。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620074642.0U CN205331003U (en) | 2016-01-25 | 2016-01-25 | Shielding formula is rotor subassembly for electronic pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620074642.0U CN205331003U (en) | 2016-01-25 | 2016-01-25 | Shielding formula is rotor subassembly for electronic pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205331003U true CN205331003U (en) | 2016-06-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620074642.0U Active CN205331003U (en) | 2016-01-25 | 2016-01-25 | Shielding formula is rotor subassembly for electronic pump |
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| Country | Link |
|---|---|
| CN (1) | CN205331003U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109854527A (en) * | 2019-01-30 | 2019-06-07 | 三门核电有限公司 | A kind of shielding main pump locking shielding tool |
-
2016
- 2016-01-25 CN CN201620074642.0U patent/CN205331003U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109854527A (en) * | 2019-01-30 | 2019-06-07 | 三门核电有限公司 | A kind of shielding main pump locking shielding tool |
| CN109854527B (en) * | 2019-01-30 | 2023-09-08 | 三门核电有限公司 | Locking shielding tool for shielding main pump |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |