CN209358362U - Electric vehicle, hub motor and its spindle nose - Google Patents
Electric vehicle, hub motor and its spindle nose Download PDFInfo
- Publication number
- CN209358362U CN209358362U CN201822119345.5U CN201822119345U CN209358362U CN 209358362 U CN209358362 U CN 209358362U CN 201822119345 U CN201822119345 U CN 201822119345U CN 209358362 U CN209358362 U CN 209358362U
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- spindle nose
- outer ring
- end cap
- motor
- inner ring
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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 discloses a kind of electric vehicle, hub motor and its spindle noses, spindle nose includes the first spindle nose outer ring, the second spindle nose outer ring and spindle nose inner ring, wherein, the first spindle nose outer ring and the second spindle nose outer ring are respectively with the coaxial nested setting of spindle nose inner ring, and opposite spindle nose inner ring is rotatablely connected；First spindle nose outer ring is for fixing first motor end cap, and the second spindle nose outer ring is for fixing the second electric motor end cap.Spindle nose inner ring, the first spindle nose outer ring and the second spindle nose outer ring that the utility model can be relatively rotated by setting, so that when assembly being not required to that bearing is additionally arranged, it is more convenient to assemble.
Description
Technical field
The utility model relates to hub motor technical fields, more particularly to a kind of electric vehicle, hub motor and its spindle nose.
Background technique
The maximum feature of hub motor technology is all to be incorporated into power, transmission and brake apparatus in wheel hub, is omitted big
The transmission parts of amount, so that the structure of vehicle becomes simpler.For traditional vehicle traction mode, wheel hub electricity
The structure of machine is more simple, and volume is more compact, and transmission efficiency is higher, thus in automobile industry using more and more extensive.
Existing hub motor generally comprises central axis, is arranged wheel hub, bearing, stator module and rotor on center shaft
The connection matching relationship of the elements such as component, various elements is complicated, and installation steps are more, so that assembly difficulty is larger.
Utility model content
The utility model provides a kind of electric vehicle, hub motor and its spindle nose, is pacified with solving hub motor in the prior art
Fill the big technical problem of difficulty.
In order to solve the above technical problems, the technical solution that the utility model uses is: providing a kind of for wheel hub electricity
The spindle nose of machine, the spindle nose include the first spindle nose outer ring, the second spindle nose outer ring and spindle nose inner ring, in which: first spindle nose
Outer ring and second spindle nose outer ring with the coaxial nested setting of the spindle nose inner ring, and rotate relative to the spindle nose inner ring and connect respectively
It connects；First spindle nose outer ring is for fixing first motor end cap, and second spindle nose outer ring is for fixing the second electric motor end cap.
Optionally, the spindle nose further includes ball, and the ball is located in first spindle nose outer ring and the spindle nose
Between between circle and second spindle nose outer ring and the spindle nose inner ring.
Optionally, the spindle nose inner ring has the first outer peripheral surface and the second outer peripheral surface, and first spindle nose outer ring is set in
On first outer peripheral surface, and the relatively described spindle nose inner ring rotation connection, second spindle nose outer ring is set in outside described second
On circumferential surface, and the relatively described spindle nose inner ring rotation connection.
Optionally, the spindle nose further includes ball, and the ball is located in first outer peripheral surface and first spindle nose
Between outer ring and between second outer peripheral surface and second spindle nose outer ring.
Optionally, it is formed with weight loss groove on an at least end face for the spindle nose inner ring, the weight loss groove is for reducing described
The weight of spindle nose.
Optionally, the spindle nose inner ring has the first outer peripheral surface and the first inner peripheral surface, and first spindle nose outer ring is set in
On first outer peripheral surface, and the relatively described spindle nose inner ring rotation connection, second spindle nose outer ring and first inner peripheral surface
Sleeve cooperation, and the relatively described spindle nose inner ring rotation connection.
Optionally, the spindle nose further includes ball, and the ball is located in first outer peripheral surface and first spindle nose
Between outer ring and between first inner peripheral surface and second spindle nose outer ring.
Optionally, the first mounting hole, first mounting hole are offered on a wherein end face for first spindle nose outer ring
For fixing the first motor end cap；Second spindle nose outer ring offers on the end face far from first spindle nose outer ring
Two mounting holes, second mounting hole is for fixing second electric motor end cap.
Optionally, on end face of the spindle nose inner ring between first spindle nose outer ring and second spindle nose outer ring
It is also provided with third mounting hole, the third mounting hole is used for fixed connecting plate, and the connecting plate is used for rotor and institute
State the connection of spindle nose inner ring.
In order to solve the above technical problems, another technical solution that the utility model uses is: a kind of hub motor is provided,
The hub motor includes: spindle nose, first motor end cap, the second electric motor end cap and motor as previously described, wherein described
One end of first motor end cap is connect with first spindle nose outer ring, one end of second electric motor end cap and second spindle nose
Outer ring connection, the other end of the first motor end cap is connect with the other end of second electric motor end cap, described first
Accommodating cavity is formed between electric motor end cap and second electric motor end cap, the motor is placed in the accommodating cavity.
Optionally, the motor includes rotor, motor stator and connecting plate, wherein the connecting plate is by the electricity
Machine rotor is connect with the spindle nose inner ring, and the motor stator is fixed on the first motor end cap, and the rotor
It is oppositely arranged with the motor stator.
Optionally, motor slot is formed on the first motor end cap, second electric motor end cap is close to first electricity
Generator terminal lid side protrusion is provided with abutting part, and the motor stator is accommodated in the motor slot, and the abutting part is connected to institute
It states on motor stator, the motor stator is fixed on the first motor end cap.
In order to solve the above technical problems, another technical solution that the utility model uses is: providing a kind of electric vehicle, electricity
Motor-car includes previously described hub motor.
The beneficial effects of the utility model are: be in contrast to the prior art, the utility model provide a kind of electric vehicle,
Spindle nose inner ring, the first spindle nose outer ring and the second spindle nose outer ring that can mutually rotate is arranged in hub motor and its spindle nose, so that dress
Timing is not required to that bearing is additionally arranged, and it is more convenient to assemble.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of one embodiment of spindle nose of the utility model；
Fig. 2 is the schematic cross-sectional view of spindle nose shown in Fig. 1；
Fig. 3 is the structural schematic diagram of another embodiment of spindle nose of the utility model；
Fig. 4 is the schematic cross-sectional view of spindle nose shown in Fig. 3；
Fig. 5 is the structural schematic diagram of the another embodiment of the spindle nose of the utility model；
Fig. 6 is the schematic cross-sectional view of spindle nose shown in Fig. 5；
Fig. 7 is the structural schematic diagram of the another embodiment of the spindle nose of the utility model；
Fig. 8 is the schematic cross-sectional view of spindle nose shown in Fig. 7；
Fig. 9 is the structural schematic diagram of one embodiment of hub motor of the utility model；
Figure 10 is the decomposition texture schematic diagram of the hub motor in Fig. 9；
Figure 11 is the schematic cross-sectional view of the hub motor in Fig. 9；
Figure 12 is the structural schematic diagram of one embodiment of electric vehicle of the utility model.
Specific embodiment
The technical issues of to solve the utility model, the technical solution of use and the technical effect that reaches are clearer,
It is described in further detail below in conjunction with technical solution of the attached drawing to the utility model embodiment.
Referenced herein " embodiment " is it is meant that a particular feature, structure, or characteristic described can wrap in conjunction with the embodiments
It is contained at least one embodiment of the utility model., which there is the phrase, in each position in the description to be each meant
Identical embodiment, nor the independent or alternative embodiment with other embodiments mutual exclusion.Those skilled in the art are explicit
Ground and implicitly understand, embodiment described herein can be combined with other embodiments.
Fig. 1 and Fig. 2 are please referred to, Fig. 1 is the structural schematic diagram of one embodiment of spindle nose of the utility model, and Fig. 2 is shown in Fig. 1
The schematic cross-sectional view of spindle nose.
Spindle nose 10 includes the first spindle nose outer ring 12, the second spindle nose outer ring 14 and spindle nose inner ring 16.Wherein, outside the first spindle nose
Circle 12 and second spindle nose outer ring 14 respectively with spindle nose inner ring 16 it is coaxial it is nested setting, and with respect to spindle nose inner ring 16 rotation connection.The
One spindle nose outer ring 12 is for fixing first motor end cap 20 (showing in Figure 10), and the second spindle nose outer ring 14 is for fixing the second motor
End cap 30 (is shown) in Figure 10.
The first spindle nose outer ring 12 that the utility model embodiment is rotatablely connected respectively with spindle nose inner ring 16 by setting and the
Two spindle nose outer rings 14, it is possible to reduce the quantity of the element of spindle nose 10, and no setting is required bearing, so that assembly is convenient.
In the present embodiment, as depicted in figs. 1 and 2, spindle nose inner ring 16 is in step-like, has the first outer peripheral surface 162 and the
Two outer peripheral surfaces 164.Wherein, the diameter of the first outer peripheral surface 162 is greater than the diameter of the second outer peripheral surface 164.
Wherein, the first spindle nose outer ring 12 is set on the first outer peripheral surface 162, and opposite spindle nose inner ring 16 is rotatablely connected.The
Two spindle nose outer rings 14 are set on the second outer peripheral surface 164, and opposite spindle nose inner ring 16 is rotatablely connected.
Fig. 3 and Fig. 4 are please referred to, Fig. 3 is the structural schematic diagram of another embodiment of spindle nose of the utility model, and Fig. 4 is Fig. 3 institute
Show the schematic cross-sectional view of spindle nose.
In the present embodiment, spindle nose inner ring 16 ' has the first outer peripheral surface 162 ' and the first inner peripheral surface 164 '.And first periphery
The diameter in face 162 ' is greater than the diameter of the first inner peripheral surface 164 '.
Wherein, the first spindle nose outer ring 12 is set on the first outer peripheral surface 162 ', and opposite spindle nose inner ring 16 ' is rotatablely connected.
Second spindle nose outer ring 14 and 164 ' sleeve of the first inner peripheral surface cooperate, and opposite spindle nose inner ring 16 ' is rotatablely connected.
Above embodiments can relatively rotate spindle nose inner ring 16 or 16 ', the first spindle nose outer ring of connection by being arranged each other
12 and the second spindle nose outer ring 14, so that when being assembled, it is only necessary to first motor end cap 20 are fixed on first using fastener
On spindle nose outer ring 12, the second electric motor end cap 30 is fixed on the second spindle nose outer ring 14 using fastener, wheel hub electricity can be realized
The installation of generator terminal lid is fixed, so that the mounting structure of hub motor is simple.Simultaneously as being used for outside the first spindle nose of assembly
Circle 12 and second spindle nose outer ring 14 be directly be cooperatively connected with spindle nose inner ring 16 or 16 ', thus assembly when without accumulative mistake
Difference, so that the cooperation precision of hub motor is higher.
Optionally, spindle nose 10 further includes ball 18, and ball 18 is located between the first spindle nose outer ring 12 and spindle nose inner ring 16,
And second between spindle nose outer ring 14 and spindle nose inner ring 16.By between the first spindle nose outer ring 12 and spindle nose inner ring 16, and
Ball 18 is set between second spindle nose outer ring 14 and spindle nose inner ring 16, replaces sliding friction using rolling friction, can reduce the
Frictional force between one spindle nose outer ring 12 and spindle nose inner ring 16 and between the second spindle nose outer ring 14 and spindle nose inner ring 16.
As depicted in figs. 1 and 2, ball 18 is arranged in spindle nose inner ring 16, the first spindle nose outer ring 12 and the second spindle nose outer ring 14
Cooperation at so that spindle nose inner ring 16, the first spindle nose outer ring 12 and the second spindle nose outer ring 14 rotation connection.That is, being arranged in axis
Ball 18 between head inner ring 16 and the first spindle nose outer ring 12 can allow first axle head outer ring 12 with respect to spindle nose inner ring 16
Rotation.The ball 18 being arranged between spindle nose inner ring 16 and the second spindle nose outer ring 14 can allow 14 phase of the second spindle nose outer ring
Spindle nose inner ring 16 is rotated.
Specifically, in the embodiment shown in Figure 2, the first rolling is formed on the first outer peripheral surface 162 of spindle nose inner ring 16
Pearl track 163 is formed with the second ball track 165 on the second outer peripheral surface 164.The shape on the inner peripheral surface of the first spindle nose outer ring 12
163 corresponding third ball track 167 of the first ball of Cheng Youyu track, be formed on the inner peripheral surface of the second spindle nose outer ring 14 with
The corresponding 4th ball track 169 in second ball track 165.
At the cooperation of spindle nose inner ring 16 and the first spindle nose outer ring 12, ball 18 is located in the first ball track 163 and
Between three ball tracks 167.Sliding friction is replaced using rolling friction so that the first spindle nose outer ring 12 can be with respect in spindle nose
16 rotation of circle.
At the cooperation of spindle nose inner ring 16 and the second spindle nose outer ring 14, ball 18 is located in the second ball track 165 and
Between four ball tracks 169.Sliding friction is replaced using rolling friction so that the second spindle nose outer ring 14 can be with respect in spindle nose
16 rotation of circle.
Optionally, it is arranged between spindle nose inner ring 16 and the first spindle nose outer ring 12 and in spindle nose inner ring 16 and the second spindle nose
The group number of ball 18 between circle 16 is at least one set.That is, the rolling between spindle nose inner ring 16 and the first spindle nose outer ring 12 is arranged in
Pearl 18 can have one group, two groups or three groups etc..The ball 18 being arranged between spindle nose inner ring 16 and the second spindle nose outer ring 14 can
To there is one group, two groups or three groups etc..The utility model is not specifically limited, can be according to the stress feelings of each section of spindle nose 10
The ball 18 of suitable group number is arranged, so that 10 stress equalization of spindle nose, prevents from being broken because local pressure is excessive in condition.
In embodiment as depicted in figs. 1 and 2, one group of rolling is set between spindle nose inner ring 16 and the first spindle nose outer ring 12
Pearl 18, and two groups of balls 18 are set between spindle nose inner ring 16 and the second spindle nose outer ring 14.
It is the structural schematic diagram of the another embodiment of the spindle nose of the utility model refering to Fig. 5 and Fig. 6, Fig. 5, Fig. 6 is Fig. 5 institute
Show the schematic cross-sectional view of spindle nose.
In the present embodiment, spindle nose inner ring 16, the first spindle nose outer ring 12 and the second spindle nose outer ring 14 structure and Fig. 1 and Fig. 2
Structure in embodiment is identical, please refers to described previously, and details are not described herein again.
The present embodiment and the difference of previously described embodiment be, in the present embodiment, spindle nose inner ring 16 at least
Weight loss groove 166 is formed on one end face.I.e., it is possible to weight loss groove 166 is formed on a wherein end face for spindle nose inner ring 16, it can be with
It is formed simultaneously weight loss groove 166 on two end faces of spindle nose inner ring 16, the weight loss groove through spindle nose inner ring 16 can also be formed
166.Weight loss groove 166 can be round, rectangle or Else Rule or irregular shape, and the utility model is for weight loss groove
166 shape and size are not specifically limited.
As shown in fig. 6, in the present embodiment, being formed with the first sub- weight loss groove on a wherein end face for spindle nose inner ring 16
166a is formed with the second sub- weight loss groove 166b, of the first sub- weight loss groove 166a and second on the other end of spindle nose inner ring 16
Weight loss groove 166b is not connected to, and is located at the strong of the first outer peripheral surface 162 and the junction of the second outer peripheral surface 164 to avoid spindle nose inner ring 16
Degree reduces, and spindle nose 10 is caused to be broken.
Embodiment as shown in Figure 3 and Figure 4, ball 18 are arranged in spindle nose inner ring 16 ', the first spindle nose outer ring 12 and the second axis
At the cooperation of head outer ring 14, so that spindle nose inner ring 16 ', the first spindle nose outer ring 12 and the rotation connection of the second spindle nose outer ring 14.
Specifically, it in Fig. 3 and embodiment shown in Fig. 4, is formed on the first outer peripheral surface 162 ' of spindle nose inner ring 16 '
First ball track 163 ' is formed with the second ball track 165 ' on the first inner peripheral surface 164 '.In the first spindle nose outer ring 12
Be formed on inner peripheral surface with the first corresponding third ball track of ball track 163 ' 167 ', in the periphery of the second spindle nose outer ring 14
The 4th ball track 169 ' corresponding with the second ball track 165 ' is formed on face.
At the cooperation of spindle nose inner ring 16 ' and the first spindle nose outer ring 12, ball 18 be located in the first ball track 163 ' and
Between third ball track 167 '.Sliding friction is replaced using rolling friction so that the first spindle nose outer ring 12 can opposite spindle nose
Inner ring 16 ' rotates.
At the cooperation of spindle nose inner ring 16 ' and the second spindle nose outer ring 14, ball 18 be located in the second ball track 165 ' and
Between 4th ball track 169 '.Sliding friction is replaced using rolling friction so that the second spindle nose outer ring 14 can opposite spindle nose
Inner ring 16 rotates.
Wherein, in the present embodiment, the set-up mode of the group number of ball 18 and the ball 18 in Fig. 1 and Fig. 2 embodiment
The set-up mode of group number is identical, specifically please refers to the description in an embodiment, details are not described herein again.
Fig. 7 and Fig. 8 are please referred to, Fig. 7 is the structural schematic diagram of the another embodiment of the spindle nose of the utility model, and Fig. 8 is Fig. 7
The schematic cross-sectional view of shown spindle nose.
In the present embodiment, spindle nose inner ring 16 ', the first spindle nose outer ring 12 and the second spindle nose outer ring 14 structure and Fig. 3 and Fig. 4
Structure in embodiment is identical, please refers to described previously, and details are not described herein again.
The present embodiment and the difference of previously described embodiment are, in the present embodiment, in the second spindle nose outer ring 14
Weight loss groove 166 ' is formed on an at least end face.I.e., it is possible to form weight loss groove on a wherein end face for spindle nose inner ring 16 '
166 ', it can also be formed simultaneously weight loss groove 166 ' on two end faces of spindle nose inner ring 16 ', can also be formed through spindle nose inner ring
16 ' weight loss groove 166 '.Weight loss groove 166 ' can be round, rectangle or other rules or irregular shape, this is practical new
Type is not specifically limited the shape and size of weight loss groove 166 '.
As shown in FIG. 7 and 8, in the present embodiment, the second spindle nose outer ring 14 is formed through on the second spindle nose outer ring 14
Weight loss groove 166 ', which is circle, and the round axis of weight loss groove 166 ' and the axis of the second spindle nose outer ring 14
It is overlapped.This is because circular weight loss groove 166 ' can be on the basis of not influencing the second 14 intensity of spindle nose outer ring, utmostly
Reduction spindle nose 10 ' weight.
Optionally, the first mounting hole 122, first motor end cap 20 are offered on a wherein end face for the first spindle nose outer ring 12
By the mating connection of screw and the first mounting hole 122, and it is fixed on the first spindle nose outer ring 12.First mounting hole 122 can be with
It is formed on the either end facet of the first spindle nose outer ring 12.For example, in the embodiment shown in Figure 2, the first mounting hole 122 is formed in
Side of the first spindle nose outer ring 12 close to the second spindle nose outer ring 14.First mounting hole 122 may also extend through the first spindle nose outer ring 12,
For example, in the embodiment as shown in fig.4, the first mounting hole 122 runs through the first spindle nose outer ring 12.
Optionally, the second mounting hole 142 is offered on end face of the second spindle nose outer ring 14 far from the first spindle nose outer ring 12, the
Two electric motor end caps 30 pass through the mating connection of screw and the second mounting hole 142, and are fixed on the second spindle nose outer ring 14.
Wherein, the quantity of the first mounting hole 122 and the second mounting hole 142 is at least three, so that first motor end cap
20 and second electric motor end cap 30 can be stably fixed on the first spindle nose outer ring 12 and the second spindle nose outer ring 14.In Fig. 1 and Fig. 3
Shown in embodiment, the quantity of the first mounting hole 122 is 6, and the quantity of the second mounting hole 142 is 5, and respectively uniformly point
Cloth is on the circumference of the first spindle nose outer ring 12 and the second spindle nose outer ring 14.
Optionally, as shown in Figure 2 and Figure 4, it is located at the first spindle nose outer ring 12 and the second spindle nose outer ring 14 in spindle nose inner ring 16
Between end face on be also provided with third mounting hole 161, third mounting hole 161 is used for fixed connecting plate 46 (showing in Figure 10).
The utility model additionally provides a kind of hub motor 100, and as shown in Figures 9 to 11, Fig. 9 is the wheel of the utility model
The structural schematic diagram of one embodiment of hub motor, Figure 10 are the decomposition texture schematic diagrams of the hub motor in Fig. 9, and Figure 11 is in Fig. 9
Hub motor schematic cross-sectional view.
Hub motor 100 includes spindle nose 10, first motor end cap 20, the second electric motor end cap 30 and motor 40.Wherein,
One end of one electric motor end cap 20 is connect by the first mounting hole 122 with the first spindle nose outer ring 12, one end of the second electric motor end cap 30
It is connect by the second mounting hole 142 with the second spindle nose outer ring 14.The other end of first motor end cap 20 and the second electric motor end cap 30
Other end connection, to form accommodating cavity 50 between first motor end cap 20 and the second electric motor end cap 30, motor 40 is placed in
In accommodating cavity 50.
Specifically, in the present embodiment, the structure of spindle nose 10 is identical as the structure of previously described spindle nose 10, herein no longer
It repeats, please refers to previously described embodiment.
Wherein, first motor end cap 20 and the second electric motor end cap 30 are generally in cover shape.Specifically, in first motor end cap
20 are formed with the first sub- accommodating cavity 52 close to the side of the second electric motor end cap 30, in the second electric motor end cap 30 close to first motor end
The side of lid 20 is formed with the second sub- accommodating cavity 54.When the both ends of first motor end cap 20 respectively with the first spindle nose outer ring 12 and
Two electric motor end caps 30 connection and the second electric motor end cap 30 both ends respectively with the second spindle nose outer ring 14 and first motor end cap 20
When connection, the first sub- accommodating cavity 52 and the second sub- accommodating cavity 54 snap together to form accommodating cavity 50.
Wherein, lateral wall of the first motor end cap 20 close to the side of the second electric motor end cap 30, which protrudes above, is provided with the first spiral shell
Nail hole 22.Position corresponding with the first screw hole 22 is formed with the second screw hole 32 on the second electric motor end cap 30.Screw passes through
After second screw hole 32 and the first screw hole 22, first motor end cap 20 is fixedly connected with the second electric motor end cap 30.
In the present embodiment, motor 40 includes rotor 42, motor stator 44 and connecting plate 46.Wherein, connecting plate 46
Rotor 42 is connect with spindle nose inner ring 16, motor stator 44 is fixed on first motor end cap 20, and rotor 42 with
Motor stator 44 is oppositely arranged.
Specifically, one end of connecting plate 46 is fixedly connected with the third mounting hole 161 on spindle nose inner ring 16, the other end and electricity
Machine rotor 42 connects, so that rotor 42 be connect with spindle nose inner ring 16.
As shown in figure 11, motor slot 24 is formed on first motor end cap 20, the second electric motor end cap 30 is close to the first electricity
20 side of generator terminal lid protrusion is provided with abutting part 34.Motor stator 44 is accommodated in motor slot 24, when the second electric motor end cap 30 with
When first motor end cap 20 connects, abutting part 34 is connected on motor stator 44, and motor stator 44 is fixed on first motor
On end cap 20.
Wherein, after first motor end cap 20 and the second electric motor end cap 30 are fixed, abutting part 34 and 24 bottom of motor slot are most
Small distance is slightly smaller than the thickness of motor stator 44, so that motor stator 44 can be fastened on first motor end cap 20.
Specifically, when being assembled, first motor end cap 20 and the second electric motor end cap 30 are heated first, so that
30 expanded by heating of first motor end cap 20 and the second electric motor end cap.At this point, the thickness of motor stator 44 and the second electricity after connection
Minimum range of the abutting part 34 apart from 20 motor slot of first motor end cap, 24 bottom in generator terminal lid 30 is equal.When first motor end
After lid 20 and the second electric motor end cap 30 are cooling, volume contraction, at this point, 34 the first electricity of distance of abutting part in the second electric motor end cap 30
The minimum range of 20 motor slot of generator terminal lid, 24 bottom is less than the thickness of motor stator 44, so that motor stator 44 is clamped in first
Between electric motor end cap 20 and the second electric motor end cap 30.
Optionally, reinforcing rib is provided on the side that first motor end cap 20 and the second electric motor end cap 30 mutually deviate from
Item 26 and 36, the strengthening rib strip 26 and 36 can reinforce the intensity of first motor end cap 20 and the second electric motor end cap 30.Such as Fig. 9 and
Shown in Figure 10, strengthening rib strip 26 and 36 radially distributes in the outer surface of first motor end cap 20 and the second electric motor end cap 30
On.
Further, the 4th is also formed on 12/ second spindle nose outer ring 14 of spindle nose inner ring 16 and the first spindle nose outer ring
Mounting hole, the 4th mounting hole is for connecting the elements such as wheel rim, knuckle.
Specifically, in one embodiment, it is formed with the 4th mounting hole on spindle nose inner ring 16 and the first spindle nose outer ring 12, and
The 4th mounting hole on spindle nose inner ring 16 and the first spindle nose outer ring 12 is located at the opposite sides of motor 40.Wherein, wheel rim with
The connection of first spindle nose outer ring 12, knuckle are connect with spindle nose inner ring 16.In running car, the spindle nose inner ring that is connect with knuckle
16 is motionless, and the first spindle nose outer ring 12 rotation connecting with wheel rim, the motor 40 connecting as a result, with spindle nose 10 form outer rotor
Motor.
In another embodiment, the 4th mounting hole, and spindle nose are formed on spindle nose inner ring 16 and the second spindle nose outer ring 14
The 4th mounting hole on inner ring 16 and the second spindle nose outer ring 14 is located at the opposite sides of motor 40.Wherein, wheel rim and spindle nose
Inner ring 16 connects, and knuckle is connect with the second spindle nose outer ring 14.In running car, the second spindle nose outer ring for being connect with knuckle
14 is motionless, and the spindle nose inner ring 16 connecting with wheel rim rotates, and the motor 40 connecting as a result, with spindle nose 10 forms internal rotor electricity
Machine.
Above embodiments, by being provided with the spindle nose inner ring 16 that can mutually rotate, the first spindle nose outer ring 12 and the second axis
It is assembled simpler so that when assembly being not required to that bearing is additionally arranged head outer ring 14.And in spindle nose inner ring 16, the first spindle nose outer ring
12 and second are provided with mounting hole on spindle nose outer ring 14, use different connection types, respectively available inner rotor motor
Structure and outer rotor motor structure, so that the applicability of spindle nose 10 is stronger.And no matter using inner rotor motor structure or outer turn
Sub-motor structure, motor stator 44 and rotor 42 are directly connected with spindle nose, without accumulative rigging error.
The utility model additionally provides a kind of electric vehicle 200, please refers to Figure 12, and Figure 12 is the electric vehicle one of the utility model
The structural schematic diagram of embodiment.
Electric vehicle 200 may include hub motor 100, wherein the structure of hub motor 100 and previously described wheel hub electricity
The structure of machine 100 is identical, and this will not be repeated here, please refers to described previously.
Hub motor 100 in the present embodiment is electrically connected with the battery of electric vehicle 200, provides the energy for electric energy by battery
It is converted into mechanical energy, so as to realize the running of electric vehicle 200.Wherein electric vehicle 200 can be pure electric vehicle type electric vehicle
It can be mixed motivity type electric vehicle, it is not limited here.
The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all
Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is applied directly or indirectly in
Other relevant technical fields, are also included in the patent protection scope of the utility model.
Claims (13)
1. a kind of spindle nose for hub motor, which is characterized in that the spindle nose includes the first spindle nose outer ring, the second spindle nose outer ring
And spindle nose inner ring, wherein first spindle nose outer ring and second spindle nose outer ring are coaxially embedding with the spindle nose inner ring respectively
Set setting, and the relatively described spindle nose inner ring rotation connection；First spindle nose outer ring is for fixing first motor end cap, and described the
Two spindle nose outer rings are for fixing the second electric motor end cap.
2. spindle nose according to claim 1, which is characterized in that the spindle nose further includes ball, and the ball is located in institute
It states between the first spindle nose outer ring and the spindle nose inner ring and between second spindle nose outer ring and the spindle nose inner ring.
3. spindle nose according to claim 1, which is characterized in that the spindle nose inner ring has the first outer peripheral surface and the second periphery
Face, first spindle nose outer ring are set on first outer peripheral surface, and the relatively described spindle nose inner ring rotation connection, and described second
Spindle nose outer ring is set on second outer peripheral surface, and the relatively described spindle nose inner ring rotation connection.
4. spindle nose according to claim 3, which is characterized in that the spindle nose further includes ball, and the ball is located in institute
It states between the first outer peripheral surface and first spindle nose outer ring and between second outer peripheral surface and second spindle nose outer ring.
5. spindle nose according to claim 4, which is characterized in that be formed with loss of weight on an at least end face for the spindle nose inner ring
Slot, the weight loss groove for reducing the spindle nose weight.
6. spindle nose according to claim 1, which is characterized in that the spindle nose inner ring has the first outer peripheral surface and the first inner circumferential
Face, first spindle nose outer ring are set on first outer peripheral surface, and the relatively described spindle nose inner ring rotation connection, and described second
Spindle nose outer ring and the first inner peripheral surface sleeve cooperate, and the relatively described spindle nose inner ring rotation connection.
7. spindle nose according to claim 6, which is characterized in that the spindle nose further includes ball, and the ball is located in institute
It states between the first outer peripheral surface and first spindle nose outer ring and between first inner peripheral surface and second spindle nose outer ring.
8. the spindle nose according to claim 3 or 6, which is characterized in that opened on a wherein end face for first spindle nose outer ring
Equipped with the first mounting hole, first mounting hole is for fixing the first motor end cap；
Second spindle nose outer ring offers the second mounting hole, second installation on the end face far from first spindle nose outer ring
Hole is for fixing second electric motor end cap.
9. the spindle nose according to claim 3 or 6, which is characterized in that the spindle nose inner ring is located at first spindle nose outer ring
Third mounting hole is also provided on end face between second spindle nose outer ring, the third mounting hole is for being fixedly connected
Plate, the connecting plate is for rotor to be connect with the spindle nose inner ring.
10. a kind of hub motor, which is characterized in that the hub motor includes: such as the described in any item axis of claim 1-9
Head, first motor end cap, the second electric motor end cap and motor, wherein one end of the first motor end cap and the first axle
The connection of head outer ring, one end of second electric motor end cap connect with second spindle nose outer ring, the first motor end cap it is another
One end is connect with the other end of second electric motor end cap, between the first motor end cap and second electric motor end cap
Accommodating cavity is formed, the motor is placed in the accommodating cavity.
11. hub motor according to claim 10, which is characterized in that the motor includes rotor, motor stator
And connecting plate, wherein the rotor is connect by the connecting plate with the spindle nose inner ring, and the motor stator is fixed on institute
It states on first motor end cap, and the rotor is oppositely arranged with the motor stator.
12. hub motor according to claim 11, which is characterized in that be formed with motor on the first motor end cap
Slot, second electric motor end cap are provided with abutting part, the motor stator accommodating close to first motor end cap side protrusion
In the motor slot, the abutting part is connected on the motor stator, and the motor stator is fixed on described first
On electric motor end cap.
13. a kind of electric vehicle, which is characterized in that the electric vehicle includes such as the described in any item wheel hub electricity of claim 10-12
Machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822119345.5U CN209358362U (en) | 2018-12-14 | 2018-12-14 | Electric vehicle, hub motor and its spindle nose |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822119345.5U CN209358362U (en) | 2018-12-14 | 2018-12-14 | Electric vehicle, hub motor and its spindle nose |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209358362U true CN209358362U (en) | 2019-09-06 |
Family
ID=67799257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822119345.5U Active CN209358362U (en) | 2018-12-14 | 2018-12-14 | Electric vehicle, hub motor and its spindle nose |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209358362U (en) |
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2018
- 2018-12-14 CN CN201822119345.5U patent/CN209358362U/en active Active
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Address after: 233000 building 4, national financial incubation Industrial Park, 17 Yannan Road, high tech Zone, Bengbu City, Anhui Province Patentee after: Dafu Technology (Anhui) Co., Ltd Address before: 518104, Guangdong, Shenzhen province Baoan District manhole street, oyster Road, manhole Industrial Company Third Industrial Zone, A1, A2, A3 101, A4 first, second, third layers Patentee before: SHENZHEN TATFOOK TECHNOLOGY Co.,Ltd. |