CN110138142A - The heat-dissipating structure of electric motor car power wheel wheel shaft - Google Patents
The heat-dissipating structure of electric motor car power wheel wheel shaft Download PDFInfo
- Publication number
- CN110138142A CN110138142A CN201810134526.7A CN201810134526A CN110138142A CN 110138142 A CN110138142 A CN 110138142A CN 201810134526 A CN201810134526 A CN 201810134526A CN 110138142 A CN110138142 A CN 110138142A
- Authority
- CN
- China
- Prior art keywords
- heat
- wheel shaft
- pipeline section
- conducting piece
- electric motor
- 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.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K7/00—Disposition of motor in, or adjacent to, traction wheel
- B60K7/0007—Disposition of motor in, or adjacent to, traction wheel the motor being electric
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/003—Couplings; Details of shafts
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
The present invention provides a kind of heat-dissipating structure of electric motor car power wheel wheel shaft, include a wheel shaft and a heat-conducting piece, wherein, the wheel shaft is the tube body of inner hollow, the wheel shaft one end connects with the Frame unit of electric motor car, and the other end of the heat-conducting piece and the wheel shaft is socketed, and the wheel shaft wears with the support frame of the stator of a hub motor and connect, the support frame forms an axle sleeve in axle center, which passes axially through the axle sleeve；The heat-conducting piece is tube body made of the good metal material of pyroconductivity, the heat-conducting piece is mainly made of one first pipeline section and one second pipeline section by convergence part linking, the wheel shaft passes through second pipeline section and wears with first pipeline section and connect, which is arranged the axle sleeve.Wheel shaft heat dissipation is guided by the heat-conducting piece, improves the efficiency of wheel shaft heat dissipation.
Description
Technical field
The present invention relates to the components of electric motor car, furthermore, espespecially a kind of heat dissipation of electric motor car power wheel wheel shaft
Construction.
Background technique
Electric motor car is commonly referred to as power wheel with hub motor driving wheel rotation, the wheel of hub motor driving.
Hub motor is a kind of curve outward type motor, and the stator of hub motor is mainly by a support frame and several coil windings structures
At respectively the coil windings are set to the periphery of the support frame, and the wheel shaft of power wheel wears with the support frame and connect, and hub motor turns
Son connects with the wheel rim of power wheel, and when hub motor operates, which generates thermal energy, due to the hub motor of electric motor car
Extraneous dust, foreign matter and rainwater must be blocked to enter, heat dissipation becomes important problem, and the thermal energy that the coil windings generate then
It is transmitted by heat transfer form and heat radiation form to the support frame and the wheel shaft, so that the support frame and for supporting power wheel
The wheel shaft heating, the physical properties such as the intensity of the wheel shaft and service life are adversely affected.
Summary of the invention
Present invention is primarily aimed at a kind of heat-dissipating structure of electric motor car power wheel wheel shaft is provided, guided by heat-conducting piece
Wheel shaft heat dissipation, improves the efficiency of wheel shaft heat dissipation.
To meet expected purpose, the present invention provides a kind of heat-dissipating structure of electric motor car power wheel wheel shaft, it is characterized in that packet
Containing a wheel shaft and a heat-conducting piece, wherein the wheel shaft is the tube body of inner hollow, the Frame unit of the wheel shaft one end and electric motor car
Connecting, the other end of the heat-conducting piece and the wheel shaft is socketed, and the wheel shaft wears with the support frame of the stator of a hub motor and connect,
The support frame forms an axle sleeve in axle center, which passes axially through the axle sleeve；
The heat-conducting piece is tube body made of the good metal material of pyroconductivity, the heat-conducting piece mainly by one first pipeline section and
One second pipeline section is constituted by convergence part linking, which passes through second pipeline section and wear with first pipeline section and connect, should
Second pipeline section is arranged the axle sleeve.
The heat-dissipating structure of the electric motor car power wheel wheel shaft, wherein the inner edge of second pipeline section forms a thread segment, makes
Second pipeline section is connected through a screw thread with the axle sleeve.
The heat-dissipating structure of the electric motor car power wheel wheel shaft, wherein the first pipeline section periphery forms two planes, this two
A plane is symmetrical according to being centrally formed for first pipeline section each other, makes spanner or the opposite clamping of other hand-held tools respectively plane, mentions
Height rotates the heat-conducting piece in conjunction with the support frame or isolated operation convenience.
The heat-dissipating structure of the electric motor car power wheel wheel shaft, wherein the heat-conducting piece is arranged a bushing, which is located on
First pipeline section periphery.
The heat-dissipating structure of the electric motor car power wheel wheel shaft, wherein bushing one end outer rim radial dilatation forms a ring
Shape supports edge, should support edge against the convergence part.
Compared with prior art, the invention has the advantages that: by the heat-conducting piece guide the wheel shaft heat dissipation, mention
The efficiency of high wheel shaft heat dissipation.
Detailed description of the invention
Fig. 1 is the stereogram exploded view of the embodiment of the present invention one.
Fig. 2 is the axial sectional view that the embodiment of the present invention one wears connecting portion in wheel shaft and heat-conducting piece.
Fig. 3 is that the embodiment of the present invention one connects state with the stator of hub motor in the side, sectional of heat-conducting piece part amplification
Schematic diagram.
Fig. 4 is that the embodiment of the present invention two connects state with the stator of hub motor in the side, sectional of heat-conducting piece part amplification
Schematic diagram.
Fig. 5 is the schematic perspective view of the heat-conducting piece of the embodiment of the present invention three.
Description of symbols: wheel shaft 10；Heat-conducting piece 20；First pipeline section 22；Plane 222；Second pipeline section 24；Thread segment 242；
Convergence part 26；Clamping part 28；Support frame 32；Axle sleeve 322；Key 36；Bearing 40；Dustproof cover 50；Bushing 60；To edge 62.
Specific embodiment
As shown in Figures 1 and 2, embodiment one includes a wheel shaft 10 and a heat-conducting piece 20, wherein the wheel shaft 10 is in inside
Empty tube body does not show in 10 one end of wheel shaft and the Frame unit figure of electric motor car and connects, and the wheel shaft 10 can be selected optionally
Connect with the rocker arm of the Frame unit, the other end of the heat-conducting piece 20 and the wheel shaft 10 is socketed, the Frame unit and the rocker arm system
The existing technology that locomotive related fields personage is familiar with, the specific composition for the Frame unit that without detailed description.
The heat-conducting piece 20 is the tube body made of pyroconductivity good metal material, and the heat-conducting piece 20 is with copper or copper alloy
It is made for preferably, which is mainly made of one first pipeline section 22 and one second pipeline section 24 by a convergence part 26 linking,
The internal diameter of first pipeline section 22 is less than second pipeline section 24, which passes through second pipeline section 24 and wear with first pipeline section 22
Set connection, 22 periphery of the first pipeline section form two planes 222, respectively the plane 222 being centrally formed according to first pipeline section 22 each other
Symmetrically, which forms a thread segment 242 in inner edge, and respectively the plane 222 and the thread segment 242 respectively optionally select
The composition selected.
Fig. 3 shows the state that the stator axis of the wheel shaft 10 and a hub motor connects, and the hub motor is for driving electricity
The power wheel of motivation vehicle rotates, wherein the stator mainly by a discoid support frame 32 and several coil windings (in figure not
Show) it constitutes, respectively the coil windings are respectively arranged on 32 periphery of support frame, which forms an axle sleeve 322, the wheel in axle center
Axis 10 passes axially through the axle sleeve 322, and between the wheel shaft 10 and the axle sleeve 322 be equipped with several keys 36, according to make the wheel shaft 10 with
The support frame 32 wears connection, which is arranged the axle sleeve 322, and second pipeline section 14 by the thread segment 242 with
The axle sleeve 322 is connected through a screw thread, and respectively the plane 222 improves rotation for providing spanner or the opposite clamping of other hand-held tools accordingly
Turn the heat-conducting piece 20 and the support frame 32 combination or isolated operation convenience.
Do not show pivot joint in the shell figure of the heat-conducting piece 20 and hub motor, it is thermally conductive according to making the stator and the wheel shaft 10 pass through this
Part 20 is to the function of environment heat emission outside hub motor, and furthermore, the heat-conducting piece 20 is dust-proof in one bearing 40 and one of peripheral shaft pivot
Lid 50, according to not showing pivot joint in the shell figure for making the heat-conducting piece 20 and hub motor, and the inner space of the wheel shaft 10 pass through this
One pipeline section 22 and the environmental communication outside hub motor, the heat-conducting piece 20 is by 22 axis pivot of the first pipeline section bearing 40 and this is anti-
Dirt lid 50.
Embodiment two is changed by embodiment one and is obtained, and embodiment two is identical to the composition of embodiment one, without repeated explanation.
As shown in figure 4, embodiment two includes a wheel shaft 10 and a heat-conducting piece 20, wherein the heat-conducting piece 20 is further arranged
One bushing 60, which is located on 22 periphery of the first pipeline section, and 60 one end outer rim radial dilatation of bushing formation one is cricoid
To edge 62, edge 62 should be supported against convergence part 26, accordingly, which is formed in the heat-conducting piece 20 and the bearing 40 and the dustproof cover
Between 50, reduces the bearing 40 and the dustproof cover 50 bears the thermal energy from the heat-conducting piece 20.
It applies example three to be changed by embodiment one and obtained, embodiment three is identical to the composition of embodiment one, without repeated explanation.
As shown in figure 5, the heat-conducting piece 20 of embodiment three forms the clamping part 28 of a polygon in periphery, which is used
In providing spanner or the opposite clamping of other hand-held tools, the operation convenience for rotating the heat-conducting piece 20 is improved accordingly, furthermore, the clamping
Portion 28 is formed in 24 periphery of the second pipeline section.
The thermal energy that respectively coil windings generate passes through heat transfer form and heat radiation form to the support frame 32 and the wheel shaft
10 transmitting, the support frame 32 and the wheel shaft 10 heating, and the support frame 32 and the wheel shaft 10 conduct heat to the heat-conducting piece 20 respectively
Can, further pass through the heat-conducting piece 20 for thermal energy to the Environment release outside hub motor, and since the support frame 32 is led to this
Warmware 20 conducts thermal energy, reduces the thermal energy that the support frame 32 is conducted to the wheel shaft 10, slows down the radiating requirements of the wheel shaft 10, mention
The efficiency of the high wheel shaft 10 heat dissipation.
Claims (5)
1. a kind of heat-dissipating structure of electric motor car power wheel wheel shaft, it is characterized in that including a wheel shaft and a heat-conducting piece, wherein the wheel
Axis is the tube body of inner hollow, which connects with the Frame unit of electric motor car, and the heat-conducting piece is another with the wheel shaft
End cap connects, and the wheel shaft wears with the support frame of the stator of a hub motor and connect, which forms an axle sleeve in axle center, should
Wheel shaft passes axially through the axle sleeve；
The heat-conducting piece is tube body made of the good metal material of pyroconductivity, and the heat-conducting piece is mainly by one first pipeline section and one
Two pipeline sections are constituted by convergence part linking, which passes through second pipeline section and wear with first pipeline section and connect, this second
Pipeline section is arranged the axle sleeve.
2. the heat-dissipating structure of electric motor car power wheel wheel shaft according to claim 1, which is characterized in that second pipeline section it is interior
Edge forms a thread segment, is connected through a screw thread second pipeline section with the axle sleeve.
3. the heat-dissipating structure of electric motor car power wheel wheel shaft according to claim 2, which is characterized in that the first pipeline section periphery
Two planes are formed, two planes are symmetrical according to being centrally formed for first pipeline section each other, make spanner or other hand-held tool phases
To each plane of clamping, improves and rotate the heat-conducting piece in conjunction with the support frame or isolated operation convenience.
4. the heat-dissipating structure of electric motor car power wheel wheel shaft according to claim 1, which is characterized in that the heat-conducting piece is arranged one
Bushing, the bushing are located on the first pipeline section periphery.
5. the heat-dissipating structure of electric motor car power wheel wheel shaft according to claim 4, which is characterized in that bushing one end outer rim
Radial dilatation formation one is cricoid to support edge, should support edge against the convergence part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810134526.7A CN110138142A (en) | 2018-02-09 | 2018-02-09 | The heat-dissipating structure of electric motor car power wheel wheel shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810134526.7A CN110138142A (en) | 2018-02-09 | 2018-02-09 | The heat-dissipating structure of electric motor car power wheel wheel shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110138142A true CN110138142A (en) | 2019-08-16 |
Family
ID=67568007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810134526.7A Pending CN110138142A (en) | 2018-02-09 | 2018-02-09 | The heat-dissipating structure of electric motor car power wheel wheel shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110138142A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1074659A (en) * | 1992-01-25 | 1993-07-28 | 高兴龙 | Vehicle high-effciency and energy-saving multi-function system |
| CN201118362Y (en) * | 2007-11-19 | 2008-09-17 | 郭家玲 | High-temperature axial extension medium electromotor |
| CN101868640A (en) * | 2007-10-19 | 2010-10-20 | 标致·雪铁龙汽车公司 | Electric machine comprising an elastic connection to a gearbox primary shaft |
| CN103296812A (en) * | 2012-03-05 | 2013-09-11 | 德昌电机(深圳)有限公司 | Motor stator and motor with stator |
| DE102014207317A1 (en) * | 2014-04-16 | 2015-10-22 | Zf Friedrichshafen Ag | Lubricant and coolant supply for a deactivatable four-wheel drive |
| CN205123442U (en) * | 2015-12-01 | 2016-03-30 | 莆田市远泰工业科技有限公司 | Automobile wheel hub motor and applied this in -wheel motor's car |
| TWI572125B (en) * | 2015-09-23 | 2017-02-21 | Rotor heat dissipation structure of inner rotor motor | |
| CN107171488A (en) * | 2016-03-07 | 2017-09-15 | 未来动力公司 | Heat enhancing hub motor |
| CN107667027A (en) * | 2015-06-03 | 2018-02-06 | 蒂森克虏伯普利斯坦技术中心股份公司 | hollow shaft device |
-
2018
- 2018-02-09 CN CN201810134526.7A patent/CN110138142A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1074659A (en) * | 1992-01-25 | 1993-07-28 | 高兴龙 | Vehicle high-effciency and energy-saving multi-function system |
| CN101868640A (en) * | 2007-10-19 | 2010-10-20 | 标致·雪铁龙汽车公司 | Electric machine comprising an elastic connection to a gearbox primary shaft |
| CN201118362Y (en) * | 2007-11-19 | 2008-09-17 | 郭家玲 | High-temperature axial extension medium electromotor |
| CN103296812A (en) * | 2012-03-05 | 2013-09-11 | 德昌电机(深圳)有限公司 | Motor stator and motor with stator |
| DE102014207317A1 (en) * | 2014-04-16 | 2015-10-22 | Zf Friedrichshafen Ag | Lubricant and coolant supply for a deactivatable four-wheel drive |
| CN107667027A (en) * | 2015-06-03 | 2018-02-06 | 蒂森克虏伯普利斯坦技术中心股份公司 | hollow shaft device |
| TWI572125B (en) * | 2015-09-23 | 2017-02-21 | Rotor heat dissipation structure of inner rotor motor | |
| CN205123442U (en) * | 2015-12-01 | 2016-03-30 | 莆田市远泰工业科技有限公司 | Automobile wheel hub motor and applied this in -wheel motor's car |
| CN107171488A (en) * | 2016-03-07 | 2017-09-15 | 未来动力公司 | Heat enhancing hub motor |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190816 |
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| WD01 | Invention patent application deemed withdrawn after publication |