CN206226171U - The end cap and wheel hub electric motor of electric vehicle of a kind of wheel hub electric motor of electric vehicle - Google Patents
The end cap and wheel hub electric motor of electric vehicle of a kind of wheel hub electric motor of electric vehicle Download PDFInfo
- Publication number
- CN206226171U CN206226171U CN201621291090.5U CN201621291090U CN206226171U CN 206226171 U CN206226171 U CN 206226171U CN 201621291090 U CN201621291090 U CN 201621291090U CN 206226171 U CN206226171 U CN 206226171U
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- flywheel
- flange part
- wheel hub
- end cap
- electric vehicle
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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Abstract
The utility model provides the end cap and wheel hub electric motor of electric vehicle of a kind of wheel hub electric motor of electric vehicle, belongs to vehicle technology field.It solves the problems, such as how to increase while flywheel convenient disassembly is ensured the internal diameter of seal mounting hole to improve motor seal performance.This end cap includes lid and the flange part protruded positioned at lid middle part and to lid both sides, releasable connection has flywheel on the outer peripheral face of flange part, there is seal mounting hole on the outer face of flange part, there is the locating slot axially inwardly extended from outer face on the outer peripheral face of flange part, having on flywheel match with positioning groove shape and make flywheel and the circumferentially positioned positioning convex of flange part, and the Quick Release location structure for making flywheel be axially positioned on flange part is additionally provided with flange part.Designed more than, not only cause flywheel convenient disassembly, and allow that seal mounting hole internal diameter does increasing design such that it is able to accommodate the oil sealing of bigger specification, and then be improved the sealing property of electric vehicle motor.
Description
Technical field
The utility model belongs to vehicle technology field, is related to the end cap and electric wheel of a kind of wheel hub electric motor of electric vehicle
Hub motor.
Background technology
Electric motor car species is various, wherein just including electric bicycle.Electric bicycle is managed and controlled with electric system
The driving of vehicle come realize manpower ride, the extraordinary bicycle of electronic or electric power-assist function.It has light, energy-saving and environmental protection
Advantage, receives the welcome of people, as increasing main force's vehicles the most rapid in recent years.
At present, chain and the flywheel with chain interoperation, such as Chinese patent are generally equipped with electric bicycle【Application number：
200720059662.1；Authorization Notice No.：CN 201118360Y】Disclose a kind of magnetic float magnetic-electronic bicycle wheel hub, including wheel
The flywheel and brake disc being equipped with hub, wheel hub end housing and two wheel hub end housings, in the prior art, are generally provided with wheel hub end housing
Thread head, flywheel is threaded on wheel hub end housing by thread head.
The design thickness influence of thread head is covered due to receiving end, the design size for installing the oil sealing room of oil sealing is limited, typically
The oil sealing specification assembled on motor shaft is smaller, and causing the sealing property of motor cannot be effectively ensured；In addition, flywheel and screw thread
Head is by the way of threaded connection, and dismounting is more inconvenient.
The content of the invention
The purpose of this utility model is directed to existing technology and there is above mentioned problem, it is proposed that a kind of wheel hub electric motor of electric vehicle
End cap and wheel hub electric motor of electric vehicle, the utility model solve technical problem be how ensure flywheel convenient disassembly it is same
The internal diameter of Shi Zeng great seal mounting holes is improving motor seal performance.
The purpose of this utility model can be realized by following technical proposal：A kind of end cap of wheel hub electric motor of electric vehicle, bag
Include the flange part of lid and the tubular protruded positioned at lid middle part and to lid both sides, removable company on the outer peripheral face of the flange part
It is connected to flywheel, it is characterised in that there is seal mounting hole on the outer face of the flange part, on the outer peripheral face of the flange part also
With the locating slot axially inwardly extended from outer face, on the flywheel have with positioning groove shape match and make flywheel with
The circumferentially positioned positioning convex of flange part, being additionally provided with the flange part makes flywheel be axially positioned on the positioning of the Quick Release on flange part
Structure.
Flange part on the end cap of this wheel hub electric motor of electric vehicle is corresponding with thread head of the prior art, is different from existing skill
Art, this case by changing the connected mode of the flange part on flywheel and end cap, specifically, by flywheel Design Orientation it is convex
Rise and the Design Orientation groove on flange part, the locating slot uses the design axially inwardly extended from flange part outer face so that
Positioning convex quickly can coordinate to realize the axially position of flywheel and flange part with locating slot, while passing through Quick Release location structure
Realize that flywheel is circumferentially positioned with flange part, designed more than, so that flywheel dismounting more facilitates, while so that end cap
The internal diameter design of the seal mounting hole in flange part is not influenceed by the design thickness of thread head in the prior art so that in oil sealing hole
Footpath can do increase design, with the bigger oil sealing of installation dimension specification, and then can improve the sealing property of motor.
In the end cap of above-mentioned wheel hub electric motor of electric vehicle, the internal diameter of the seal mounting hole is 30mm~45mm.Existing
Have in technology, limited by end cap thread head, the oil sealing external diameter of the maximum specification that can be selected is 28mm, and more than the application passes through
Design, can select the larger oil sealing of outside dimension, and such as external diameter is the oil sealing of 35mm, 38mm, 40mm, so as to improve same specification
The sealing property of lower motor shaft.
In the end cap of above-mentioned wheel hub electric motor of electric vehicle, the flywheel be split-type structural, including freewheel body one and fly
Wheel body two, the freewheel body one and the releasable connection of freewheel body two.Flywheel structure is designed using such scheme, is further increased winged
Take turns the convenience of dismounting；Certainly, as an alternative, flywheel can also be designed using integral structure, and the program can also be solved
The technical problem that the application is proposed.
In the end cap of above-mentioned wheel hub electric motor of electric vehicle, the freewheel body one and freewheel body two are two panels identical flywheel
Body.It is convenient to manufacture and production and assembly using above-mentioned design.
In the end cap of above-mentioned wheel hub electric motor of electric vehicle, the freewheel body one and the mutual snapping of freewheel body two are described to fly
The other end that one end of wheel body one has hook heads one, the freewheel body one has hook heads two, one end of the freewheel body two
With hook heads three, the other end of the freewheel body two has hook heads four, the hook heads one and the mutual snapping of hook heads four
Coordinate, the hook heads two and hook heads four are mutually fastened, and the inner side of the hook heads two and hook heads four is each formed with
Above-mentioned positioning convex.It is designed to ensure flywheel convenient disassembly using above-mentioned；In addition, freewheel body one and freewheel body two can also be adopted
It is engaged by clamping with draw-in groove and card convex structure and realizes releasable connection.
In the end cap of above-mentioned wheel hub electric motor of electric vehicle, the Quick Release location structure includes being located at the flange part periphery
Jump-ring slot and convex shoulder on face, the convex shoulder are located at the inner side of jump-ring slot, and built with jump ring, the jump ring makes to fly the jump-ring slot
Wheel load is tight against leaning against on convex shoulder.Using above-mentioned design, axially position of the flywheel on flange part is realized by jump ring so that fly
Wheel can be realized quickly and easily dismounting；As an alternative, convex shoulder can also be replaced using clip spring structure in such scheme.
In the end cap of above-mentioned wheel hub electric motor of electric vehicle, flywheel fluted disc shape in a ring, the outer rim of the flywheel is equal
Some sprockets are furnished with, the quantity of the sprocket is 11~20.Preferably, the quantity of sprocket can select 16.
In the end cap of above-mentioned wheel hub electric motor of electric vehicle, the inner face of the flange part has bearing mounting hole.Pass through
Bearing is installed in bearing mounting hole and realizes that end cap is connected with the rotation of motor shaft.
A kind of wheel hub electric motor of electric vehicle, including motor shaft and the oil sealing being set on motor shaft, it is characterised in that also include
Above-mentioned end cap, the motor shaft is arranged in above-mentioned seal mounting hole through the flange part and the oil sealing on above-mentioned end cap.
In above-mentioned wheel hub motor, the end cap at least side of its both sides is using the end cap in above-mentioned technical proposal.
Compared with prior art, the end cap of this wheel hub electric motor of electric vehicle has advantages below：By changing flywheel and end cap
Structure and connected mode, not only cause flywheel convenient disassembly, and allow seal mounting hole internal diameter do increasing design,
So as to accommodate the oil sealing of bigger specification, and then it is improved the sealing property of electric vehicle motor.
Brief description of the drawings
Fig. 1 is the structural representation of the end cap of this wheel hub electric motor of electric vehicle.
Fig. 2 is the structural representation of this flywheel.
Fig. 3 is the structural representation that this flywheel is assembled on end cap.
Fig. 4 is the assembling structure schematic diagram of this wheel hub electric motor of electric vehicle.
In figure, 1, lid；2nd, flange part；21st, seal mounting hole；22nd, locating slot；23rd, jump-ring slot；24th, convex shoulder；25th, axle
Hold mounting hole；3rd, flywheel；31st, positioning convex；3a, freewheel body one；3a1, hook heads one；3a2, hook heads two；3b, freewheel body
Two；3b1, hook heads three；3b2, hook heads four；4th, jump ring；5th, motor shaft；6th, oil sealing.
Specific embodiment
The following is specific embodiment of the utility model and with reference to accompanying drawing, further is made to the technical solution of the utility model
Description, but the utility model is not limited to these embodiments.
Embodiment one：
As shown in figures 1 and 3, the end cap of this wheel hub electric motor of electric vehicle includes discoid lid 1 and positioned at the middle part of lid 1
And the flange part 2 of the tubular protruded to the both sides of lid 1, the inner face of flange part 2 has bearing mounting hole 25.Outside flange part 2
There is seal mounting hole 21, the internal diameter of seal mounting hole 21 is 30mm~40mm on end face.Also have on the outer peripheral face of flange part 2
The locating slot 22 for axially extending, releasable connection has flywheel 3 on the outer peripheral face of flange part 2, has and the shape of locating slot 22 on flywheel 3
Shape matches and makes flywheel 3 and the circumferentially positioned positioning convex 31 of flange part 2.Meanwhile, being additionally provided with flange part 2 makes the axle of flywheel 3
To the Quick Release location structure being positioned on flange part 2.Quick Release location structure includes the jump-ring slot 23 on the outer peripheral face of flange part 2
With convex shoulder 24, positioned at the inner side of jump-ring slot 23, built with jump ring 4, jump ring 4 is resisted against the compression of flywheel 3 to jump-ring slot 23 to convex shoulder 24
On convex shoulder 24.
As shown in Fig. 2 the fluted disc shape in a ring of flywheel 3, the outer rim of flywheel 3 is evenly equipped with some sprockets, and the quantity of sprocket is 11
~20.And in the present embodiment, flywheel 3 is split-type structural, including the 3a of the freewheel body one and 3b of freewheel body two.The 3a of freewheel body one
One end there is the 3a1 of hook heads one, one end that the other end of the 3a of freewheel body one has the 3a2 of hook heads two, the 3b of freewheel body two has
There is the other end of the 3b1 of hook heads three, the 3b of freewheel body two hook heads four 3b2, the 3a1 of hook heads one and the 3b2 of hook heads four mutually to detain
Cooperation is connect, the 3a2 of hook heads two and the 3b2 of hook heads four are mutually fastened, and the inner side of the 3a2 of hook heads two and the 3b2 of hook heads four is equal
It is formed with above-mentioned positioning convex 31.
Embodiment two：
The present embodiment is technical scheme of the end cap in embodiment one in wheel hub electric motor of electric vehicle application, as shown in figure 4, this
Wheel hub electric motor of electric vehicle includes the end cap in motor shaft 5 and the oil sealing 6 being set on motor shaft 5 and above-described embodiment one, electricity
Arbor 5 is pacified through the seal mounting hole 21 and bearing mounting hole 25 and oil sealing 6 on the flange part 2 on above-mentioned end cap installed in oil sealing
In dress hole 21.
Specific embodiment described herein is only to the utility model spirit explanation for example.The utility model institute
Category those skilled in the art can make various modifications or supplement or using similar to described specific embodiment
Mode substitute, but without departing from spirit of the present utility model or surmount scope defined in appended claims.
Although more having used lid 1, flange part 2, seal mounting hole 21, locating slot 22, jump-ring slot 23, convex shoulder herein
24th, bearing mounting hole 25, flywheel 3, positioning convex 31, the 3a of freewheel body one, the 3a1 of hook heads one, the 3a2 of hook heads two, freewheel body two
The terms such as 3b, the 3b1 of hook heads three, the 3b2 of hook heads four, jump ring 4, motor shaft 5, oil sealing 6, but be not precluded from using other terms
Possibility.It is used for the purpose of more easily describing and explaining essence of the present utility model using these terms；It is construed as
The additional limitation of any one is all disagreed with the utility model spirit.
Claims (9)
1. a kind of end cap of wheel hub electric motor of electric vehicle, including lid (1) and positioned at lid (1) middle part and it is convex to lid (1) both sides
The flange part (2) of the tubular for going out, releasable connection has flywheel (3) on the outer peripheral face of the flange part (2), it is characterised in that described
On the outer face of flange part (2) have seal mounting hole (21), on the outer peripheral face of the flange part (2) also have from outer end towards
The locating slot (22) for inside axially extending, have on the flywheel (3) match with locating slot (22) shape and make flywheel (3) with
The circumferentially positioned positioning convex (31) of flange part (2), being additionally provided with the flange part (2) makes flywheel (3) be axially positioned on flange
Quick Release location structure in portion (2).
2. the end cap of wheel hub electric motor of electric vehicle according to claim 1, it is characterised in that the seal mounting hole (21)
Internal diameter is 30mm~45mm.
3. the end cap of wheel hub electric motor of electric vehicle according to claim 1, it is characterised in that the flywheel (3) is split type
Structure, including freewheel body one (3a) and freewheel body two (3b), the freewheel body one (3a) and freewheel body two (3b) releasable connection.
4. the end cap of wheel hub electric motor of electric vehicle according to claim 3, it is characterised in that the freewheel body one (3a) and fly
Wheel body two (3b) is two panels identical freewheel body.
5. the end cap of wheel hub electric motor of electric vehicle according to claim 3, it is characterised in that the freewheel body one (3a) and fly
Wheel body two (3b) mutually snapping, one end of the freewheel body one (3a) has hook heads one (3a1), the freewheel body one (3a)
One end that the other end has hook heads two (3a2), the freewheel body two (3b) has hook heads three (3b1), the freewheel body two
The other end of (3b) has hook heads four (3b2), and the hook heads one (3a1) and hook heads four (3b2) are mutually fastened, institute
State hook heads two (3a2) and hook heads four (3b2) are mutually fastened, the hook heads two (3a2) and hook heads four (3b2)
Inner side is each formed with above-mentioned positioning convex (31).
6. the end cap of the wheel hub electric motor of electric vehicle according to claim 1 or 2 or 3 or 4 or 5, it is characterised in that the Quick Release
Location structure includes the jump-ring slot (23) and convex shoulder (24) on the flange part (2) outer peripheral face, and the convex shoulder (24) is located at
The inner side of jump-ring slot (23), the jump-ring slot (23) is built with jump ring (4), and it is convex that the jump ring (4) is resisted against flywheel (3) compression
On shoulder (24).
7. the end cap of the wheel hub electric motor of electric vehicle according to claim 1 or 2 or 3 or 4 or 5, it is characterised in that the flywheel
(3) fluted disc shape in a ring, the outer rim of the flywheel (3) is evenly equipped with some sprockets, and the quantity of the sprocket is 11~20.
8. the end cap of the wheel hub electric motor of electric vehicle according to claim 1 or 2 or 3 or 4 or 5, it is characterised in that the flange
The inner face in portion (2) has bearing mounting hole (25).
9. a kind of wheel hub electric motor of electric vehicle, including motor shaft (5) and the oil sealing (6) being set on motor shaft (5), its feature exist
In also including the end cap described in claim 1 to 8 any one, the motor shaft (5) is through the flange part on above-mentioned end cap
And the oil sealing (6) is in the seal mounting hole (21) (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621291090.5U CN206226171U (en) | 2016-11-29 | 2016-11-29 | The end cap and wheel hub electric motor of electric vehicle of a kind of wheel hub electric motor of electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621291090.5U CN206226171U (en) | 2016-11-29 | 2016-11-29 | The end cap and wheel hub electric motor of electric vehicle of a kind of wheel hub electric motor of electric vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN206226171U true CN206226171U (en) | 2017-06-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621291090.5U Active CN206226171U (en) | 2016-11-29 | 2016-11-29 | The end cap and wheel hub electric motor of electric vehicle of a kind of wheel hub electric motor of electric vehicle |
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| CN (1) | CN206226171U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108099583A (en) * | 2018-01-17 | 2018-06-01 | 贵州苏佳乐电动车有限公司 | A kind of built-in motor driving wheel of electric car |
-
2016
- 2016-11-29 CN CN201621291090.5U patent/CN206226171U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108099583A (en) * | 2018-01-17 | 2018-06-01 | 贵州苏佳乐电动车有限公司 | A kind of built-in motor driving wheel of electric car |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 3 Wanjin Road, Zeguo Town, Wenling City, Taizhou City, Zhejiang Province Patentee after: Zhejiang Jiuzhou New Energy Technology Co.,Ltd. Address before: 317523 air compressor Park, Zeguo Town, Wenling City, Taizhou City, Zhejiang Province Patentee before: WENLING JIUZHOU ELECTROMECHANICAL Co.,Ltd. |