CN117284408B - A compact wheel drive device - Google Patents
A compact wheel drive device Download PDFInfo
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- CN117284408B CN117284408B CN202311239038.XA CN202311239038A CN117284408B CN 117284408 B CN117284408 B CN 117284408B CN 202311239038 A CN202311239038 A CN 202311239038A CN 117284408 B CN117284408 B CN 117284408B
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- 230000000670 limiting effect Effects 0.000 claims description 115
- 230000003313 weakening effect Effects 0.000 claims description 15
- 230000009471 action Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 24
- 230000002829 reductive effect Effects 0.000 abstract description 10
- 230000008569 process Effects 0.000 abstract description 9
- 230000005611 electricity Effects 0.000 abstract description 5
- 230000003068 static effect Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 9
- 238000000926 separation method Methods 0.000 description 7
- 230000008901 benefit Effects 0.000 description 6
- 230000005489 elastic deformation Effects 0.000 description 6
- 230000002441 reversible effect Effects 0.000 description 6
- 239000012634 fragment Substances 0.000 description 5
- 230000001360 synchronised effect Effects 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M7/00—Motorcycles characterised by position of motor or engine
- B62M7/12—Motorcycles characterised by position of motor or engine with the engine beside or within the driven wheel
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M23/00—Transmissions characterised by use of other elements; Other transmissions
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Mechanical Operated Clutches (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
The invention provides a compact wheel type driving device, which belongs to the technical field of driving wheel design and comprises a hub, wherein a driven plate is fixedly sleeved in the hub, a first end cover and a second end cover are respectively and fixedly connected to two sides of the driven plate, a connecting plate is sleeved in the driven plate, a rotor is fixedly sleeved on one side, away from the driven plate, of the connecting plate, and a stator is sleeved in the rotor. According to the invention, the clutch part, the driven plate, the stator, the connecting plate and the rotor are arranged, the stator is electrified in a normal state, the driving wheel rotates, the hub is firstly enabled to be static in a state of power failure of the driving wheel, and then the connecting plate and the driven plate can be disconnected through the clutch part, so that when the hub is pushed, the connecting plate drives the rotor to rotate, the stator and the rotor are enabled to generate electricity, short-circuit current is formed, the resistance in the pushing process is reduced, the labor consumption required for pushing the vehicle to travel is reduced, and the moving difficulty of the vehicle in the state of power failure is reduced.
Description
Technical Field
The invention relates to the technical field of driving wheel design, in particular to a compact wheel type driving device.
Background
Along with development of scientific technology, the wheel type driving device gradually enters the driving field of vehicles, more wheel hub motors or wheel side motors are mainly different in motor installation positions, but the principle is not substantially different. The driving system of the hub motor forms a part of a hub, generally adopts outer rotor driving, the hub is in driving connection with the outer rotor, a stator shaft is supported on a bottom fork, the hub driving is adopted on a two-wheel electric vehicle generally, and the structures such as a transmission shaft, a differential mechanism and the like are eliminated, so that the whole structure is compact, and the transmission efficiency is high.
However, the hub motor is generally a direct current motor, so that the hub motor can be used as a driven motor or an engine, once the positive and negative poles of the motor are short-circuited, the motor forms a closed loop, namely, when the electric vehicle is pushed to run, the wheel rotates, the power is generated, and the positive and negative poles are short-circuited to form short-circuited current, so that great resistance is generated, and when the electric power of the vehicle is lost, the hub motor cannot be effectively driven, the vehicle is pushed to run, so that great manpower is required to be consumed, and the moving difficulty of the vehicle in the power-shortage state is increased.
Disclosure of Invention
The invention aims to solve the technical problem that when the existing compact wheel type driving device cannot effectively drive a hub motor to work due to power deficiency of a vehicle, the existing compact wheel type driving device is required to additionally overcome resistance caused by power generation of the driving motor to push the vehicle to travel, so that manpower loss is high, and the moving difficulty of the vehicle in a power failure state is increased.
In order to solve the technical problems, the invention provides the following technical scheme:
A compact wheel type driving device comprises a hub, a driven disc is fixedly sleeved in the hub, a first end cover and a second end cover are fixedly connected to two sides of the driven disc respectively, a connecting disc is arranged in an inner sleeve of the driven disc, a rotor is fixedly sleeved on one side, far away from the driven disc, of the connecting disc, a stator is arranged in the inner sleeve of the rotor, the same first rotating sleeve is fixedly sleeved in the middle of the driven disc and the middle of the second end cover, the same fixed shaft is fixedly sleeved in the middle of the first end cover, the stator is fixedly sleeved on the fixed shaft, the stator and the rotor are all located in the driven disc, a clutch part is arranged on the first rotating sleeve, an adjusting part is arranged on the fixed shaft, a plurality of first limiting holes are uniformly formed in one side of the connecting disc, a plurality of second limiting holes matched with the first limiting holes in position are uniformly formed in one side of the driven disc in a circumferential mode, and the second limiting holes penetrate through the driven disc.
Preferably, the clutch part comprises a plurality of movable rods which are sleeved on the first rotating sleeve in a sliding manner, the movable rods are L-shaped, the movable rods are uniformly distributed on the first rotating sleeve in a circumferential manner and penetrate through the first rotating sleeve, one end of each movable rod, which is far away from the first rotating sleeve, is fixedly connected with a first adjusting rod, two ends of each first adjusting rod are respectively spliced with the first limiting hole and the second limiting hole, an elastic ring which is abutted to the connecting disc is fixedly sleeved on each first adjusting rod, a first limiting plate is mounted on each first adjusting rod, the three sides, which are far away from the first adjusting rods, of each first limiting plate are provided with weakening inclined planes, one side, which is far away from the axis of each first adjusting rod, of each first limiting plate is located in the projection range of the horizontal direction of the corresponding weakening inclined plane, one end, which is far away from each movable rod, of each first adjusting rod is fixedly connected with the same adjusting ring, and the adjusting part is used for driving the adjusting ring to move along the first adjusting rod to the first rotating sleeve in the axial direction under the action of the adjusting ring, and the first adjusting rod is driven by the first adjusting rod to be separated from the first rotating sleeve along the axial direction.
Preferably, the adjusting ring is positioned at one side of the second end cover away from the first end cover, the outer ring of the adjusting ring is provided with a limiting groove, the adjusting part comprises a fixed rod fixedly connected to the fixed shaft, one end of the fixed rod away from the fixed shaft is rotatably connected with a second adjusting rod, one end of the second adjusting rod is positioned in the limiting groove, the second adjusting rod is in an inverted L shape, and a second elastic sheet connected with the fixed rod is fixedly connected to the second adjusting rod.
Preferably, the clutch part further comprises a prism which is connected to the first adjusting rod in a sliding manner and penetrates through the first adjusting rod in the radial direction along the first adjusting rod, the first limiting plate is fixedly connected to one end of the prism, which is far away from the axis of the fixed shaft, a balancing weight is arranged in the first limiting plate, one end of the prism, which is far away from the first limiting plate, is fixedly connected with a first elastic sheet which is in contact with the first adjusting rod, the prism and the first elastic sheet are both located in the projection range of the second limiting hole in the horizontal direction, and when the hub rotates, the first limiting plate moves under the action of centrifugal force, and one side, which is far away from the first adjusting rod, of the first limiting plate is located outside the projection range of the second limiting hole in the horizontal direction.
Preferably, a round angle is formed at one end of the first adjusting rod, which is close to the connecting disc.
Preferably, the middle part of the round angle is sleeved with a ball in a rolling way.
Preferably, the outer side of the elastic ring is provided with a plurality of weakening grooves uniformly in a circumferential manner.
Preferably, one end of the second adjusting rod, which is positioned in the limiting groove, is fixedly sleeved with a rubber sleeve, and the hardness of the rubber sleeve is lower than that of the adjusting ring and the second adjusting rod.
Preferably, the prism is far away from one end of the first limiting plate and one end of the fixing rod, which is far away from the second adjusting rod, are respectively fixedly connected with a screw rod, nuts are connected to the screw rods in a threaded mode, the nuts on the prism are used for limiting the first elastic sheet on the prism, and the nuts on the fixing rod are used for limiting the fixing rod on the fixing shaft.
Preferably, the fixing rod is fixedly connected with a second limiting plate matched with the fixing shaft.
Preferably, grooves are formed in the top and the bottom of the position, away from the fixed shaft, of the second adjusting rod.
Compared with the prior art, the invention has at least the following beneficial effects:
in the scheme, through setting up clutch part, driven plate, stator, connection pad and rotor, under the normality, the stator circular telegram, the drive wheel rotates, makes wheel hub static earlier under drive wheel electric power lack state, and then accessible clutch part makes connection pad and driven plate break away from the connection, and when avoiding pushing wheel hub, the connection pad drives the rotor and rotates, makes stator and rotor generate electricity, forms short-circuit current, reduces the resistance of pushing the in-process, reduces the manpower that needs expended of pushing the vehicle marcing, has reduced the removal degree of difficulty of vehicle under the lack electric state.
Through setting up the attenuation inclined plane, the in-process that the first regulation pole breaks away from through sliding and second spacing hole, the part on attenuation inclined plane was seted up to first limiting plate both sides receives the extrusion of second spacing hole both sides edge position department to produce elastic deformation, when the first limiting plate after taking place the deformation moves to the opposite side of driven plate completely, the both sides of first limiting plate are restored because of losing the conflict power, driven plate is held between first limiting plate and movable rod this moment, simultaneously first regulation pole is broken away from with the connection pad and is connected, avoid first regulation pole and connection pad to break away from the back, wheel hub is being promoted the in-process, first regulation pole is along fixed axle axial displacement because of external environment influence, and contact with first spacing hole, cause first regulation pole one end and connection pad frequent contact, increase the wearing and tearing of first regulation pole and connection pad, influence its driven plate, synchronous motion stability between first regulation pole and the connection pad, ensure the stability of first regulation pole and connection pad separation.
Through the fixed axle, stator, rotor, connection pad and driven plate and be located the separation and reunion part between driven plate and the connection pad that overlap in proper order, ensured the whole compact structural design of drive wheel, reduce the space occupation of its axis, improved its use convenience.
Through setting up adjusting part, when needing to operate the adjusting ring and follow fixed axle axial slip, the second is adjusted the pole and is deflected and drive the adjusting ring and follow fixed axle axial slip through the conflict with spacing groove inner wall, otherwise, the second is adjusted the pole reverse deflection and is passed through and is contradicted the axial reverse slip along the fixed axle that drives the adjusting ring with spacing groove opposite side inner wall, improve the simple operation nature of adjusting ring, the benefit of setting up like this is, when being applied to this drive wheel to the two-wheeled electric motor car, the one end that the dead lever was kept away from to the second is adjusted the pole can extend to the two-wheeled electric motor car rear wheel plaque outside, make the two-wheeled electric motor car rear wheel plaque produce under the circumstances of sheltering from to the shaft department, reduce the operation degree of difficulty of adjusting ring, improve the operating convenience of adjusting ring, through setting up the second shell fragment, make the second adjust pole under the effect of not receiving external force, avoid the tip of second to piece of adjusting the pole to splice with spacing groove inner wall contact, cause wearing and tearing, influence the structural strength of second adjusting pole and adjusting ring, stability in use of adjusting ring is reduced.
Through setting up separation and reunion part, when the drive wheel rotates, under the effect of centrifugal force, the balancing weight drives first limiting plate and follows prismatic length direction and slide to outside the projection scope of second spacing hole horizontal direction gradually, avoid the drive wheel to rotate the in-process, the second adjusts the pole and is touched by the operating personnel mistake of two-wheeled electric motor car, leads to first regulation pole and connection pad to break away from, makes wheel hub lose driving force, influences the normal work of drive wheel, ensures the driving stability of drive wheel.
Through setting up the elastic deformation ability that weakens the groove and improving the elastic ring, simultaneously, through the setting of elastic ring for the first regulation pole is replied again with the in-process of connection with the connection pad, and the accessible inserts first spacing hole deeper degree of depth, comes out from the second spacing downthehole after for first limiting plate both sides bending deformation and provides sufficient buffering route, avoids the both sides of first limiting plate to block all the time in the spacing downthehole of second, and produces plastic deformation, influences the normal use of first limiting plate, and connection stability of connection pad, first regulation pole and driven plate.
Drawings
The accompanying drawings, which are incorporated herein and form a part of the specification, illustrate embodiments of the present disclosure and, together with the description, further serve to explain the principles of the disclosure and to enable a person skilled in the pertinent art to make and use the disclosure.
FIG. 1 is a schematic perspective view of a compact wheel drive;
FIG. 2 is a schematic view of a partial cross-sectional structure of a compact wheel drive;
FIG. 3 is a schematic view of an enlarged perspective structure of the assembled stationary shaft, connecting disc and rotor;
FIG. 4 is a schematic view of an enlarged perspective structure of the assembled stationary shaft and driven plate;
FIG. 5 is a schematic view of a clutch assembly in a three-dimensional enlarged configuration;
FIG. 6 is a schematic view of a three-dimensional enlarged structure of an adjusting part;
FIG. 7 is an enlarged schematic view of FIG. 2A;
Fig. 8 is an enlarged schematic view of the structure at B in fig. 5.
[ Reference numerals ]
1. A hub; 2, a first end cover, 3, a second end cover, 4, a fixed shaft, 5, a clutch part, 6, an adjusting part, 7, a driven disc, 8, a stator, 9, a connecting disc, 10, a rotor, 11, a first rotating sleeve, 12, an adjusting ring, 13, a movable rod, 14, a first adjusting rod, 15, an elastic ring, 16, a prism, 17, a first limiting plate, 18, a weakening inclined plane, 19, a first elastic sheet, 20, a first limiting hole, 21, a second limiting hole, 22, a limiting groove, 23, a round angle, 24, a ball, 25, a weakening groove, 26, a fixed rod, 27, a second adjusting rod, 28, a second elastic sheet, 29, a rubber sleeve, 30, a second limiting plate, 31, a screw rod, 32 and a nut.
While particular structures and devices are shown in the drawings to enable a clear implementation of embodiments of the invention, this is for illustrative purposes only and is not intended to limit the invention to the particular structures, devices and environments, which may be modified or adapted by those of ordinary skill in the art, as desired, and which remain within the scope of the appended claims.
Detailed Description
The present invention provides a compact wheel drive apparatus as described in detail below with reference to the drawings and detailed description. While the invention has been described herein in detail in order to make the embodiments more detailed, the following embodiments are preferred and can be embodied in other forms as well known to those skilled in the art, and the accompanying drawings are only for the purpose of describing the embodiments more specifically and are not intended to limit the invention to the specific forms disclosed herein.
It should be noted that references in the specification to "one embodiment," "an example embodiment," "some embodiments," etc., indicate that the embodiment described may include a particular feature, structure, or characteristic, but every embodiment may not necessarily include the particular feature, structure, or characteristic. Further, when a particular feature, structure, or characteristic is described in connection with an embodiment, it is submitted that it is within the knowledge of one skilled in the relevant art to effect such feature, structure, or characteristic in connection with other embodiments whether or not explicitly described.
Generally, the terminology may be understood, at least in part, from the use of context. For example, the term "one or more" as used herein may be used to describe any feature, structure, or characteristic in a singular sense, or may be used to describe a combination of features, structures, or characteristics in a plural sense, depending at least in part on the context. In addition, the term "based on" may be understood as not necessarily intended to convey an exclusive set of factors, but may instead, depending at least in part on the context, allow for other factors that are not necessarily explicitly described.
It is to be understood that the meaning of "on," "above," "over," and "above" in this disclosure should be read in the broadest manner so that "on" means not only "directly on" something but also includes "on" something with intervening features or layers therebetween, and "on" or "above" means not only "on" or "over" but also may include the meaning of "on" or "over" it without intervening features or layers therebetween.
Furthermore, spatially relative terms such as "under," "below," "lower," "above," "upper," and the like may be used herein for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. The device may be otherwise oriented and the spatially relative descriptors used herein may similarly be interpreted accordingly.
As shown in fig. 1-5, 7 and 8, the embodiment of the invention provides a compact wheel type driving device, which comprises a wheel hub 1, wherein a tire is fixedly sleeved outside the wheel hub 1, a driven disc 7 is fixedly sleeved in the wheel hub 1, a first end cover 2 and a second end cover 3 are respectively fixedly connected to two sides of the driven disc 7, a connecting disc 9 is sleeved in the driven disc 7, a rotor 10 is fixedly sleeved on one side, far away from the driven disc 7, of the connecting disc 9, a stator 8 is sleeved in the rotor 10, the same first rotating sleeve 11 is fixedly sleeved in the middle parts of the driven disc 7 and the second end cover 3, the same fixed shaft 4 is fixedly sleeved in the middle parts of the first end cover 2, the connecting disc 9 and the first rotating sleeve 11, the stator 8 is fixedly sleeved on the fixed shaft 4, the stator 8 and the rotor 10 are both positioned in the driven disc 7, a clutch part 5 is arranged on the first rotating sleeve 11, and an adjusting part 6 is arranged on the fixed shaft 4; a plurality of first limiting holes 20 are uniformly formed on one side of the connecting disc 9 in a circumferential manner, a plurality of second limiting holes 21 which are matched with the positions of the first limiting holes 20 are uniformly formed on one side of the driven disc 7 in a circumferential manner, the second limiting holes 21 penetrate through the driven disc 7, the clutch part 5 comprises a plurality of movable rods 13 which are sleeved on the first rotating sleeve 11 in a sliding manner, the movable rods 13 are L-shaped, the movable rods 13 are uniformly distributed on the first rotating sleeve 11 in a circumferential manner and penetrate through the first rotating sleeve 11, one end of each movable rod 13 far away from the first rotating sleeve 11 is fixedly connected with a first adjusting rod 14, two ends of each first adjusting rod 14 are respectively spliced with the first limiting holes 20 and the second limiting holes 21, an elastic ring 15 which is abutted against the connecting disc 9 is fixedly sleeved on each first adjusting rod 14, a first limiting plate 17 is mounted on each first adjusting rod 14, weakening inclined planes 18 are formed on three sides of each first limiting plate 17 far away from the first adjusting rod 14, one side of the first limiting plate 17, which is far away from the axis of the first adjusting rod 14, is located in the projection range of the horizontal direction of the second limiting hole 21, the opposite sides of the second limiting hole 21 are located in the projection range of the horizontal direction of the weakened inclined plane 18, one end of the plurality of movable rods 13, which is far away from the first adjusting rod 14, is fixedly connected with the same adjusting ring 12, and the adjusting part 6 is used for stirring the adjusting ring 12 to axially slide along the fixed shaft 4 under the action of external force, so that the movable rods 13 drive the first adjusting rod 14 to slide along the axis direction of the first rotating sleeve 11 to be separated from the first limiting hole 20.
In this embodiment, through setting up clutch part 5, driven plate 7, stator 8, connection pad 9 and rotor 10, under the normal condition, first regulation pole 14 is pegged graft with first spacing hole 20 and second spacing hole 21, in this process, if stator 8 is circular telegram, then drive rotor 10 drives connection pad 9 and rotates, connection pad 9 passes through first regulation pole 14 and adjusting ring 12 and drives wheel hub 1 and rotate, and then realize the rotation of drive wheel, under drive wheel electric power lack state, make wheel hub 1 static earlier, make adjusting ring 12 drive movable rod 13 and first regulation pole 14 along fixed axle 4 axial through operating adjusting part 6 and move to first regulation pole 14 and break away from with first spacing hole 20, at this moment, the tire drives wheel hub 1 under the effect of ground friction and rotates with first end cover 2, second end cover 3 and driven plate 7, driven plate 7 can not drive connection pad 9 synchronous rotation through first regulation pole 14, when avoiding pushing wheel hub 1, connection pad 9 drives rotor 10 and rotates, make stator 8 and rotor 10 generate electricity, form the short-circuit current, reduce the resistance in the promotion process, reduce the vehicle that needs the degree of difficulty of pushing and consume the vehicle under the state of lacking electricity, move.
In this embodiment, through setting up the weakening inclined plane 18, in the in-process that first regulation pole 14 breaks away from through sliding and second spacing hole 21, the part that weakening inclined plane 18 was seted up to first limiting plate 17 both sides is produced elastic deformation by the extrusion of second spacing hole 21 both sides border position department, when the first limiting plate 17 after taking place the deformation moves to the opposite side of driven plate 7 completely, the both sides of first limiting plate 17 are restored because of losing the conflict power, driven plate 7 is clamped between first limiting plate 17 and movable rod 13 this moment, simultaneously first regulation pole 14 is disconnected with connection pad 9, avoid first regulation pole 14 to break away from with connection pad 9 after, wheel hub 1 is in the promotion in-process by external environment, first regulation pole 14 moves along fixed axle 4 axial direction, and with first spacing hole 20 contact, cause first regulation pole 14 one end and connection pad 9 frequent contact, increase the wearing and tearing of first regulation pole 14 and connection pad 9, influence the synchronous motion stability between driven plate 7, first regulation pole 14 and the connection pad 9, guarantee the stability of first regulation pole 14 and connection pad 9 separation.
In this embodiment, through fixed axle 4, stator 8, rotor 10, connection pad 9 and driven plate 7 and be located driven plate 7 and the separation and reunion part 5 between the connection pad 9 that overlap in proper order, ensured the whole compact structural design of drive wheel, reduce the space occupation of its axis, improved its use convenience.
In the embodiment, as shown in fig. 1, 2, 5 and 6, the adjusting ring 12 is located at one side of the second end cover 3 far away from the first end cover 2, the outer ring of the adjusting ring 12 is provided with a limiting groove 22, the adjusting component 6 comprises a fixed rod 26 fixedly connected to the fixed shaft 4, one end of the fixed rod 26 far away from the fixed shaft 4 is rotatably connected with a second adjusting rod 27, one end of the second adjusting rod 27 is located in the limiting groove 22, the second adjusting rod 27 is in an inverted L shape, and a second elastic sheet 28 connected with the fixed rod 26 is fixedly connected to the second adjusting rod 27.
In this embodiment, through setting up adjusting part 6, when needs operation adjusting ring 12 is along fixed axle 4 axial slip, push down second regulation pole 27, second regulation pole 27 deflects and drives adjusting ring 12 along fixed axle 4 axial slip through the conflict with spacing groove 22 inner wall, on the contrary, second regulation pole 27 reverse deflection and drive adjusting ring 12 along fixed axle 4's axial reverse slip through the conflict with spacing groove 22 opposite side inner wall, improve the operation convenience of adjusting ring 12, the benefit of setting like this is, when this drive wheel is applied to the two-wheeled electric motor car, the one end that this drive wheel was kept away from to second regulation pole 27 can extend outside the fixed pole 26 rear wheel plaque, under the circumstances that makes two-wheeled electric motor car rear wheel plaque produce the shielding to the shaft department, reduce the operation degree of difficulty of adjusting ring 12, improve the operation convenience of adjusting ring 12, through setting up second shell fragment 28, make second regulation pole 27 keep relative static under the effect of not receiving the external force, avoid the tip of second regulation pole 27 to piece with spacing groove 22 inner wall contact, cause wearing and tearing, the structural strength of second regulation pole 27 and adjusting ring 12 is reduced and the stability of adjusting ring 12 is used to the stability of adjusting ring 12 is adjusted in the reduction.
As shown in fig. 7 and 8, in this embodiment, the clutch component 5 further includes a prism 16 slidably connected to the first adjusting rod 14 and penetrating the first adjusting rod 14 along the radial direction of the first adjusting rod 14, the first limiting plate 17 is fixedly connected to one end of the prism 16 away from the axis of the fixed shaft 4, a balancing weight (not shown in the drawing) is disposed in the first limiting plate 17, one end of the prism 16 away from the first limiting plate 17 is fixedly connected with a first elastic sheet 19 that abuts against the first adjusting rod 14, both the prism 16 and the first elastic sheet 19 are located in the projection range of the second limiting hole 21 along the horizontal direction, when the hub 1 rotates, the first limiting plate 17 moves under the centrifugal force, and one side of the moved first limiting plate 17 away from the first adjusting rod 14 is located outside the projection range of the horizontal direction of the second limiting hole 21.
In this embodiment, through setting up clutch part 5, when the drive wheel rotates, under the effect of centrifugal force, the balancing weight drives first limiting plate 17 and slides along prismatic 16 length direction, and gradually move outside the projection scope of second spacing hole 21 horizontal direction, avoid the drive wheel to rotate the in-process, second regulation pole 27 is touched by the operating personnel mistake of two-wheeled electric motor car, lead to first regulation pole 14 to break away from with connection pad 9, make wheel hub 1 lose driving force, influence the normal work of drive wheel, ensure the driving stability of drive wheel, it is noted that, in this process, first shell fragment 19 atress compresses, when the drive wheel stops rotating, centrifugal force effect disappears, first shell fragment 19 resets, and drive first limiting plate 17 through prismatic 16 resets, first limiting plate 17 and first regulation pole 14 of resetting contradict, when guaranteeing that the first regulation pole 14 of slip releases its grafting with first limiting hole 20, first limiting plate 17 is located the initial position.
As shown in fig. 7 and 8, in this embodiment, one end of the first adjusting rod 14 near the connecting disc 9 is provided with a round corner 23, which has the advantages that when the connection between the first adjusting rod 14 and the connecting disc 9 needs to be restored, the second adjusting rod 27 is pulled upwards, so that the adjusting ring 12 drives the first adjusting rod 14 to move to one side near the connecting disc 9 through the movable rod 13, in this process, the first adjusting rod 14 gradually collides with the side surface of the connecting disc 9, when the first adjusting rod 14 is concentric with the first limiting hole 20, the end part of the first adjusting rod 14 is reduced due to the round corner 23, the fault tolerance of the first adjusting rod 14 and the first limiting hole 20 is improved, the convenience of the first adjusting rod 14 and the first limiting hole 20 in connection is improved, the connection between the driven disc 7, the first adjusting rod 14 and the connecting disc 9 is convenient to restore quickly, and the use is convenient.
As shown in fig. 7 and 8, in the present embodiment, the ball 24 is sleeved in the middle of the fillet 23 in a rolling manner, which has the advantage of changing the sliding friction generated in the process of contacting the first adjusting lever 14 with the side surface of the connecting disk 9 into rolling friction, further reducing the abrasion caused when the connecting disk 9 contacts the first adjusting lever 14, and improving the service life thereof.
As shown in fig. 8, in this embodiment, the outer side of the elastic ring 15 is provided with a plurality of weakening grooves 25 uniformly in a circumferential ring, the elastic deformation capability of the elastic ring 15 is improved by setting the weakening grooves 25, meanwhile, the setting of the elastic ring 15 enables the first adjusting rod 14 to recover to the depth deeper than the first limiting hole 20 in the process of being connected with the connecting disc 9, so that enough buffering path is provided for the two sides of the first limiting plate 17 to come out of the second limiting hole 21 after bending deformation, the two sides of the first limiting plate 17 are prevented from being always clamped in the second limiting hole 21, plastic deformation is generated, normal use of the first limiting plate 17 is affected, and connection stability of the connecting disc 9, the first adjusting rod 14 and the driven disc 7 is affected.
As shown in fig. 6, in this embodiment, the end of the second adjusting rod 27 located in the limiting groove 22 is fixedly sleeved with a rubber sleeve 29, and the hardness of the rubber sleeve 29 is lower than that of the adjusting ring 12 and the second adjusting rod 27.
As shown in fig. 6 and 8, in this embodiment, the end of the prism 16 away from the first limiting plate 17 and the end of the fixing rod 26 away from the second adjusting rod 27 are respectively and fixedly connected with a screw rod 31, the screw rod 31 is connected with a nut 32 in a threaded manner, the nut 32 on the prism 16 is used for limiting the first elastic sheet 19 on the prism 16, the nut 32 on the fixing rod 26 is used for limiting the fixing rod 26 on the fixing shaft 4, and the fixing rod 26 is fixedly connected with a second limiting plate 30 matched with the fixing shaft 4.
As shown in fig. 6, in the present embodiment, grooves are formed at the top and bottom of the position of the second adjusting rod 27 away from the fixed shaft 4, which has the advantages of improving the limiting effect of the second adjusting rod 27 on the limb portion operated by the operator, reducing the slippage of the limb and the second adjusting rod 27 during the operation, and guaranteeing the operation stability of the second adjusting rod 27.
According to the technical scheme provided by the invention, the clutch part 5, the driven plate 7, the stator 8, the connecting plate 9 and the rotor 10 are arranged, under the normal state, the first adjusting rod 14 is spliced with the first limiting hole 20 and the second limiting hole 21, in the process, if the stator 8 is electrified, the rotor 10 is driven to drive the connecting plate 9 to rotate, the connecting plate 9 drives the hub 1 to rotate through the first adjusting rod 14 and the adjusting ring 12, and further the rotation of the driving wheel is realized, under the power failure state of the driving wheel, the hub 1 is firstly made to be stationary, the adjusting ring 12 is operated to enable the movable rod 13 and the first adjusting rod 14 to move along the axial direction of the fixed shaft 4 until the first adjusting rod 14 is separated from the first limiting hole 20, at the moment, the tire drives the hub 1, the first end cover 2, the second end cover 3 and the driven plate 7 to rotate under the action of ground friction force, and the driven plate 7 cannot drive the connecting plate 9 to synchronously rotate through the first adjusting rod 14, so that when the hub 1 is pushed, the connecting plate 9 drives the rotor 10 to rotate, the stator 8 and the rotor 10 to generate electricity to form short-circuit current, the resistance in the pushing process is further realized, the difficulty is reduced, the manpower consumption required to push the vehicle is reduced, and the moving vehicle is in the power failure state is reduced.
Through setting up the weakening inclined plane 18, in the in-process that first regulation pole 14 breaks away from through slip and second spacing hole 21, the part that the weakening inclined plane 18 was seted up to first limiting plate 17 both sides receives the extrusion of second spacing hole 21 both sides border position department and produces elastic deformation, when the first limiting plate 17 after taking place the deformation moves to the opposite side of driven plate 7 completely, the both sides of first limiting plate 17 are restored because of losing the conflict power, driven plate 7 is clamped between first limiting plate 17 and movable rod 13 this moment, simultaneously first regulation pole 14 breaks away from the connection with connection pad 9, avoid first regulation pole 14 and connection pad 9 to break away from the back, wheel hub 1 is in the promotion in-process, first regulation pole 14 is along fixed axle 4 axial displacement because of external environment influence, and contact with first spacing hole 20, cause first regulation pole 14 one end and connection pad 9 frequent contact, increase the wearing and tearing of first regulation pole 14 and connection pad 9, influence its driven plate 7, synchronous motion stability between first regulation pole 14 and the connection pad 9, the stability of first regulation pole 14 and connection pad 9 separation is ensured.
Through the fixed axle 4, stator 8, rotor 10, connection pad 9 and driven plate 7 and be located driven plate 7 and connection pad between 9 separation and reunion part 5 of 9, ensured the whole compact structural design of drive wheel, reduce the space occupation of its axis, improved its convenience of use.
Through setting up adjusting part 6, when needs operation adjusting ring 12 is along fixed axle 4 axial slip, push down the second and adjust pole 27, the second adjusts pole 27 deflection and drives adjusting ring 12 and follow fixed axle 4 axial slip through the conflict with spacing groove 22 inner wall, on the contrary, the second adjusts pole 27 reverse deflection and drives adjusting ring 12 and follow fixed axle 4's axial reverse slip through the conflict with spacing groove 22 opposite side inner wall, improve adjusting ring 12's simple operation nature, the benefit of setting up like this is, when this drive wheel is applied to the two-wheeled electric motor car, the one end that the dead lever 26 was kept away from to second adjusting pole 27 can extend to the two-wheeled electric motor car rear wheel plaque outside, make two-wheeled electric motor car rear wheel plaque produce under the circumstances of sheltering from to the shaft department, reduce adjusting ring 12's the operation degree of difficulty, improve adjusting ring 12's convenient operation, through setting up second shell fragment 28, make second adjusting pole 27 keep relatively static under the effect of not receiving external force, avoid the tip of second adjusting pole 27 to splice with spacing groove 22 inner wall contact, cause, influence second adjusting pole 27 and adjusting ring 12's structural strength, reduce the use stability of adjusting ring 12.
Through setting up clutch parts 5, when the drive wheel rotates, under the effect of centrifugal force, the balancing weight drives first limiting plate 17 and follows prismatic 16 length direction and slide to outside the projection scope of second spacing hole 21 horizontal direction gradually, avoid the drive wheel to rotate in-process, second regulation pole 27 is touched by the operating personnel mistake of two-wheeled electric motor car, leads to first regulation pole 14 to break away from with connection pad 9, makes wheel hub 1 lose the driving force, influences the normal work of drive wheel, ensures the driving stability of drive wheel.
Through setting up the elastic deformation ability that weakens groove 25 improves elastic ring 15, simultaneously, through elastic ring 15's setting for first regulation pole 14 is replied again with the in-process that connection pad 9 is connected, and the accessible inserts first spacing hole 20 deep degree of depth, comes out in for second spacing hole 21 after for first limiting plate 17 both sides bending deformation and provides sufficient buffering route, avoids the both sides of first limiting plate 17 to block all the time in second spacing hole 21 to produce plastic deformation, influence the normal use of first limiting plate 17, and connection stability of connection pad 9, first regulation pole 14 and driven plate 7.
The invention is intended to cover any alternatives, modifications, equivalents, and variations that fall within the spirit and scope of the invention. In the above description of the preferred embodiments of the invention, specific details are set forth in order to provide a thorough understanding of the invention, and the invention will fully be understood to those skilled in the art without such details. In other instances, well-known methods, procedures, flows, components, circuits, and the like have not been described in detail so as not to unnecessarily obscure aspects of the present invention.
Those of ordinary skill in the art will appreciate that all or a portion of the steps in implementing the methods of the above embodiments may be implemented by a program that instructs associated hardware, and the program may be stored on a computer readable storage medium such as ROM/RAM, magnetic disk, optical disk, etc.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.
Claims (9)
1. The compact wheel type driving device is characterized by comprising a hub, wherein a driven disc is fixedly sleeved in the hub, a first end cover and a second end cover are fixedly connected to two sides of the driven disc respectively, a connecting disc is sleeved in the driven disc, a rotor is fixedly sleeved on one side, far away from the driven disc, of the connecting disc, a stator is sleeved in the rotor, the same first rotating sleeve is fixedly sleeved in the middle parts of the driven disc and the second end cover, the same fixed shaft is fixedly sleeved in the middle parts of the first end cover, the connecting disc and the first rotating sleeve, the stator is fixedly sleeved on the fixed shaft, the stator and the rotor are both positioned in the driven disc, a clutch part is arranged on the first rotating sleeve, and an adjusting part is arranged on the fixed shaft; the clutch part comprises a plurality of movable rods sleeved on the first rotating sleeve in a sliding way, the movable rods are L-shaped, the movable rods are uniformly distributed on the first rotating sleeve in a circumferential way and penetrate through the first rotating sleeve, one end of each movable rod, which is far away from the first rotating sleeve, is fixedly connected with a first adjusting rod, two ends of each first adjusting rod are respectively spliced with the first limiting hole and the second limiting hole, elastic rings which are in interference fit with the connecting disc are fixedly sleeved on the first adjusting rod, a first limiting plate is arranged on each first adjusting rod, three sides of each first limiting plate, which are far away from the first adjusting rod, are respectively provided with a weakening inclined plane, the first limiting plate is far away from the first adjusting rod, one side of the first limiting plate is located in the projection range of the second limiting hole in the horizontal direction, two opposite sides of the second limiting hole are located in the projection range of the weakening slope in the horizontal direction, one end, away from the first adjusting rod, of each movable rod is fixedly connected with the same adjusting ring, the adjusting part is used for poking the adjusting rings to axially slide along the fixed shaft under the action of external force, the movable rods drive the first adjusting rods to slide along the axis direction of the first rotating sleeve to be separated from the first limiting hole, and the outer sides of the elastic rings are provided with a plurality of weakening grooves uniformly in a circumferential mode.
2. The compact wheel type driving device according to claim 1, wherein the adjusting ring is located at one side of the second end cover away from the first end cover, the outer ring of the adjusting ring is provided with a limiting groove, the adjusting component comprises a fixing rod fixedly connected to the fixing shaft, one end of the fixing rod away from the fixing shaft is rotatably connected with a second adjusting rod, one end of the second adjusting rod is located in the limiting groove, the second adjusting rod is in an inverted L shape, and a second elastic sheet connected with the fixing rod is fixedly connected to the second adjusting rod.
3. The compact wheel type driving device according to claim 2, wherein the clutch component further comprises a prism which is slidably connected to the first adjusting rod and radially penetrates through the first adjusting rod along the first adjusting rod, the first limiting plate is fixedly connected to one end of the prism, which is far away from the axis of the fixed shaft, a balancing weight is arranged in the first limiting plate, one end of the prism, which is far away from the first limiting plate, is fixedly connected with a first elastic sheet which is in contact with the first adjusting rod, and the prism and the first elastic sheet are both positioned in the projection range of the second limiting hole along the horizontal direction;
When the hub rotates, the first limiting plate moves under the action of centrifugal force, and one side, away from the first adjusting rod, of the first limiting plate after the movement is located outside the projection range of the horizontal direction of the second limiting hole.
4. The compact wheel type driving device according to claim 1, wherein one end of the first adjusting rod, which is close to the connecting disc, is provided with a round angle.
5. The compact wheel drive device as defined in claim 4, wherein the rounded middle portion is rollingly engaged with a ball.
6. The compact wheel type driving device according to claim 2, wherein one end of the second adjusting rod located in the limiting groove is fixedly sleeved with a rubber sleeve, and the hardness of the rubber sleeve is lower than that of the adjusting ring and the second adjusting rod.
7. The compact wheel type driving device according to claim 3, wherein one end of the prism away from the first limiting plate and one end of the fixing rod away from the second adjusting rod are respectively fixedly connected with a screw rod, nuts are connected to the screw rods in a threaded manner, the nuts on the prism are used for limiting the first elastic sheet on the prism, and the nuts on the fixing rod are used for limiting the fixing rod on the fixing shaft.
8. The compact wheel type driving device according to claim 2, wherein the fixed rod is fixedly connected with a second limiting plate which is matched with the fixed shaft.
9. The compact wheel type driving apparatus as claimed in claim 2, wherein the second adjusting lever is provided with grooves at both top and bottom at a position away from the fixed shaft.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311239038.XA CN117284408B (en) | 2023-09-22 | 2023-09-22 | A compact wheel drive device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311239038.XA CN117284408B (en) | 2023-09-22 | 2023-09-22 | A compact wheel drive device |
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| CN117284408A CN117284408A (en) | 2023-12-26 |
| CN117284408B true CN117284408B (en) | 2025-04-15 |
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| CN202311239038.XA Active CN117284408B (en) | 2023-09-22 | 2023-09-22 | A compact wheel drive device |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104908580A (en) * | 2015-06-05 | 2015-09-16 | 江苏大学 | Electric vehicle wheel driving device and vehicle with wheel driving device |
| CN115388163A (en) * | 2022-06-16 | 2022-11-25 | 长沙汽车创新研究院 | A wheel hub motor with a single-stage reducer |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5725905B2 (en) * | 2011-02-25 | 2015-05-27 | トピー工業株式会社 | Motor built-in wheel device, assembling method thereof, and assembling / disassembling device |
| CN210617857U (en) * | 2019-07-15 | 2020-05-26 | 黄善劲 | Kinetic energy recovery device of electric bicycle |
| CN214045314U (en) * | 2021-01-18 | 2021-08-24 | 无锡安驰动力科技有限公司 | Hub motor structure of electric vehicle |
| CN218071121U (en) * | 2022-07-26 | 2022-12-16 | 浙江涛涛车业股份有限公司 | Hollow hub motor |
| CN218906908U (en) * | 2022-12-08 | 2023-04-25 | 纳诺达克电子(常州)有限公司 | High-precision large-torque integrated AGV driving wheel |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104908580A (en) * | 2015-06-05 | 2015-09-16 | 江苏大学 | Electric vehicle wheel driving device and vehicle with wheel driving device |
| CN115388163A (en) * | 2022-06-16 | 2022-11-25 | 长沙汽车创新研究院 | A wheel hub motor with a single-stage reducer |
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