CN212935691U - Electric driving structure of wheel hub built-in motor and hub with electric driving structure - Google Patents
Electric driving structure of wheel hub built-in motor and hub with electric driving structure Download PDFInfo
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- CN212935691U CN212935691U CN202022197925.3U CN202022197925U CN212935691U CN 212935691 U CN212935691 U CN 212935691U CN 202022197925 U CN202022197925 U CN 202022197925U CN 212935691 U CN212935691 U CN 212935691U
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- water cooler
- silicon steel
- wheel hub
- steel sheets
- hub
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Abstract
The utility model discloses an electric driving structure of a wheel hub built-in motor and a wheel hub applied by the electric driving structure, which comprises a shell and a water cooler; the surface of the inner wall of the shell is fixedly provided with a plurality of magnetic steel sheets, a group of silicon steel sheets are arranged in the inner cavity of the shell in a matched manner, the silicon steel sheets are sleeved on the surface of the outer wall of the water cooler, the positions of the outer surfaces of the silicon steel sheets are opposite to the magnetic steel sheets, and the silicon steel sheets are not in contact with the magnetic steel sheets; the water cooler is symmetrically divided into two parts along the center and fixedly connected through a bracket; and a conduit chamber for arranging water guide pipes is arranged in the water cooler. The utility model provides a wheel hub internal motor's electric drive structure and wheel hub are mutually independent, need not change this drive structure when trading the tire, and through settling the water cooler, solve wheel hub's heat dissipation problem, have improved the whole durability and the security of equipment.
Description
Technical Field
The utility model belongs to the technical field of the wheel hub motor technique and specifically relates to a wheel hub internal motor's electric drive structure and wheel hub of using thereof is related to.
Background
At present, with the rapid development of social economy, automobiles become transportation means for people to walk instead of walk, and are indispensable in the life of people, so that the requirements on hubs are more and more.
Through retrieval, the Chinese patent with the application number of CN201821946350.7 discloses an electric driving structure of a wheel hub built-in motor and an electric automobile using the same, which comprises a hub and a wheel; the permanent magnet blocks are fixedly arranged in the four wall surfaces of the inner circumference of the hub, the permanent magnet blocks are sequentially arranged along the circumference of the inner wall of the hub and are fixedly arranged in the inner wall of the hub to form a rotor hub, the stator disc is adaptively arranged inside the rotor hub, a plurality of groups of current winding coils are sequentially arranged on the outer surface of the stator disc, the positions of the current winding coils are right opposite to the permanent magnet blocks and are not in contact with each other, and the plurality of groups of current winding coils are all connected to the vehicle-mounted electric control system through electric wires. The above patents have the following disadvantages: the electric driving structure of the built-in motor of the wheel hub is fixed on the wheel hub, which causes inconvenience when the tire is replaced; and when the automobile runs at a high speed, the friction between the tire and the ground can generate a large amount of heat, the tire transfers the heat to the hub, and the hub is utilized for heat dissipation. However, the heat dissipation performance of the hub in the patent is poor, and the brake failure is easily caused, so that traffic accidents are caused.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an it is not enough to overcome above-mentioned condition, aims at providing a wheel hub internal motor's electric drive structure and the technical scheme that the wheel hub of using can solve above-mentioned problem.
An electric driving structure of a wheel hub built-in motor comprises a shell and a water cooler;
the shell is of a cylindrical structure, a plurality of magnetic steel sheets are fixedly mounted on the surface of the inner wall of the shell, the magnetic steel sheets are sequentially arranged along the inner wall of the shell in a circumferential manner and are fixedly mounted in the inner wall of the shell, a group of silicon steel sheets are arranged in the inner cavity of the shell in a matched manner, the silicon steel sheets are annular stators and rotors, a plurality of through holes are uniformly distributed on the circumference of the silicon steel sheets, a plurality of groups of coils are sequentially mounted on the outer surfaces of the silicon steel sheets, the coils penetrate through the through holes and are sequentially wound on the silicon steel sheets, the plurality of groups of coils are all connected to a vehicle-mounted electric control system through electric wires, the silicon steel sheets are sleeved on the surface of the outer wall of the water cooler, the positions of the outer surfaces of the silicon steel sheets are opposite to the magnetic;
the water cooler is symmetrically divided into two parts along the center and fixedly connected through a bracket; the water cooler is internally provided with a conduit chamber, water guide pipes are arranged in parallel, and the pipe orifice ends of the water guide pipes are connected with a water tank of an automobile.
As a further aspect of the present invention: the water cooler is symmetrically divided into a left part and a right part along the center and comprises a first water cooler and a second water cooler; the first water cooler is of a stepped shaft sleeve structure, the stepped shaft sleeve structure comprises a shaft shoulder and a shaft body, a plurality of conduit ports are uniformly arranged on the circumference of the end of a diameter port at one side of the shaft body of the first water cooler, and the conduit ports are communicated with each other to form a conduit chamber for accommodating a water conduit; the second water cooler is consistent with the first water cooler in structure, and the shaft shoulder of the first water cooler is also provided with an inlet and an outlet of a water guide pipe and communicated with the inside of the pipe opening.
As a further aspect of the present invention: the outer edges of the shaft shoulders of the first water cooler and the second water cooler are respectively provided with an oil seal which is in contact with the outer edge of the shell, the shaft shoulder of the water cooler is in a sealed dust-free area through the oil seal and the shell, and lubricating oil is filled in the area.
As a further aspect of the present invention: the bracket is of a stainless steel sheet structure, plays a role in assembling and fixing the water cooler and the silicon steel sheet, and is provided with a rotating shaft hole, a coil hole and a conduit hole, wherein the rotating shaft hole is positioned in the center of the bracket; the coil holes are arranged on the outer circumference of the bracket and correspond to the positions of the through holes on the silicon steel sheet; the guide pipe holes are circumferentially arranged on the inner sides of the coil holes and correspond to the guide pipe ports of the first water cooler and the second water cooler, and a plurality of mounting holes are further formed around the rotating shaft hole.
As a further aspect of the present invention: the group of silicon steel sheets comprises a first silicon steel sheet and a second silicon steel sheet, the first silicon steel sheet is sleeved on a shaft body of the first water cooler, the second silicon steel sheet is sleeved on a shaft body of the second water cooler, the first silicon steel sheet and the second silicon steel sheet through holes correspond to coil holes in the support and have the same aperture, and the coil penetrates through the coil holes to be communicated and wound on the first silicon steel sheet and the second silicon steel sheet on two sides of the support.
As a further aspect of the present invention: a plurality of fixing holes are uniformly distributed on the circumference of the shell, tooth grooves are formed between the fixing holes and used for clamping corresponding grooves in the wheel hub, and the electric driving structure is more stable when being installed on the wheel hub.
The wheel hub is internally provided with the electric driving structure of the wheel hub built-in motor.
As a further aspect of the present invention: a plurality of through holes are uniformly distributed on the circumference of the rim of the hub, grooves are formed among the through holes, and an electric driving structure of a built-in motor of the hub is fixedly connected with the hub through bolts.
As a further aspect of the present invention: the brake hub of the wheel hub is arranged at the center of one side of the support, and the other end of the brake hub is fixed with the rim of the wheel hub through a bolt, so that the brake hub and an electric driving structure of a built-in motor of the wheel hub are ensured to be mutually independent.
The utility model has the advantages that: the utility model provides a wheel hub internal motor's electric drive structure and wheel hub are mutually independent, need not change this drive structure when trading the tire, and through settling the water cooler, solve wheel hub's heat dissipation problem for wheel hub dispels the heat more easily, increases the tire life-span and reduces the accident probability of blowing out. Meanwhile, a shaft shoulder of the water cooler is sealed through the oil seal, a sealed dust-free area is formed between the oil seal and the shell, and the waterproof and dustproof effects are achieved. Just the utility model discloses with the brake structure mutual independence of vehicle, when the installation was used, did not influence original brake structure, improved the whole durability and the security of equipment.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of an electric driving structure of a wheel hub built-in motor and a wheel hub applied thereto according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an electric driving structure of a wheel hub internal motor according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a bracket in an electric driving structure of a wheel hub internal motor according to an embodiment of the present invention;
fig. 4 is a cross-sectional view of an electric driving structure of a wheel hub internal motor and a wheel hub using the same according to an embodiment of the present invention.
In the figure: 1-fixed end, 101-fastening bolt, 2-shell, 201-magnetic steel sheet, 202-tooth space, 3-brake hub, 4-wheel hub, 5-rotating shaft, 6-first bolt, 7-second bolt, 8-water guide pipe, 9-water cooler, 901-first water cooler, 902-second water cooler, 10-silicon steel sheet, 1001-first silicon steel sheet, 1002-second silicon steel sheet, 11-bracket, 1101-rotating shaft hole, 1102-coil hole, 1103-guide pipe hole, 12-coil and 13-oil seal.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
The specific embodiment is as follows:
as shown in fig. 1 to 4, an embodiment of the present invention provides an electric driving structure of a wheel hub built-in motor and a wheel hub using the same;
as shown in fig. 2, the present embodiment provides an electric driving structure of a wheel hub built-in motor, which includes a housing 2, a water cooler 9;
the shell 2 is of a cylindrical structure, five fixing holes are uniformly distributed in the circumference of the shell 2, tooth grooves 202 are further formed in the positions at equal intervals among the fixing holes, and the tooth grooves 202 are used for clamping corresponding grooves in the hub 4, so that the shell 2 of the electric driving structure is more stable when being installed with the hub 4. The magnetic steel sheets 201 are fixedly installed on the surface of the inner wall of the shell 2, the magnetic steel sheets 201 are sequentially arranged along the inner wall of the shell 2 in a circumferential mode and are fixedly installed in the inner wall of the shell 2, a group of silicon steel sheets 10 are arranged in the inner cavity of the shell 2 in a matched mode, the silicon steel sheets 10 comprise first silicon steel sheets 1001 and second silicon steel sheets 1002, the first silicon steel sheets 1001 and the second silicon steel sheets 1002 are identical in structure, the silicon steel sheets 10 are annular stators and rotors, a plurality of through holes are evenly distributed in the circumference of the silicon steel sheets 10, coils 12 are sequentially installed on the outer surfaces of the silicon steel sheets 10, the coils 12 penetrate through the through holes and are sequentially wound on the silicon steel sheets 10, and the groups of coils 12 are connected to a vehicle-mounted electronic control system through electric wires. The first silicon steel sheet 1001 and the second silicon steel sheet 1002 are attached to the outer wall surface of the water cooler 9 in a sleeved mode, the outer surface of the silicon steel sheet 10 faces the magnetic steel sheet 201 in a position, and the silicon steel sheet 10 is not in contact with the magnetic steel sheet 201. The working principle of the electric automobile is that the shell 2 with the magnetic steel sheet 201 is provided, after the coil 12 wound on the silicon steel sheet 10 is electrified, the shell 2 drives the wheel hub 4 to rotate under the action of electromagnetic force through electromagnetic induction according to the principle of motor rotation, so that the wheel is directly driven to rotate, and the electric automobile is used as the driving force of the electric automobile to drive the automobile to run.
The water cooler 9 is symmetrically divided into a left part and a right part along the center, comprises a first water cooler 901 and a second water cooler 902, and is fixedly connected through a bracket 11; the first water cooler 901 and the second water cooler 902 are both in a stepped shaft sleeve structure, the stepped shaft sleeve structure comprises a shaft shoulder and a shaft body, and the shaft body of the first water cooler 901 and the shaft body of the second water cooler 902 in the water cooler 9 are arranged in opposite directions. The inner diameter of the shaft body is larger than the hub diameter of a brake hub 3 arranged in a hub 4, the inner cavity of the shaft body of the water cooler 9 is used for arranging other functional accessories in a wheel and the brake hub 3, and the other functional accessories, including the brake hub 3, are mutually independent from the electric driving structure, so that the electric driving structure does not influence the use of the original brake structure and other accessories when being installed and used; the outer diameter of the shaft body is the same as the inner diameter of the silicon steel sheet 10, and the length of the shaft body is the same as the length of the silicon steel sheet 10, so that the first silicon steel sheet 1001 and the second silicon steel sheet 1002 are respectively sleeved on the shaft shoulders of the first water cooler 901 and the second water cooler 902, and the outer diameter of the shaft shoulders is the same as the outer diameter of the silicon steel sheet 10, so that when the first silicon steel sheet 1001 is sleeved on the first water cooler 901 or the second silicon steel sheet 1002 is sleeved on the second water cooler 902, the outer edge of the shaft shoulders is flush with the outer surface of the silicon steel sheet 10; a plurality of conduit ports are uniformly arranged on the circumferences of the diameter ports at one sides of the shaft bodies of the first water cooler 901 and the second water cooler 902, and the conduit ports are communicated with each other to form a conduit chamber for arranging a water guide pipe 8; the second water cooler 902 has the same structure as the first water cooler 901, and the shoulder of the first water cooler 901 is further provided with an inlet and an outlet of a water conduit 8 and communicated with the inside of the conduit opening. The pipe orifice end of the water guide pipe 8 extends out of the inlet and outlet of the water guide pipe 8 of the first water cooler 901 to be connected with a water tank of an automobile, water is pumped through a water pump arranged in the water tank to realize water circulation in the water guide pipe 8, and the silicon steel sheet 10 sleeved on the surface of the water guide pipe is cooled through the water cooler 9, so that the heat dissipation problem of the wheel hub 4 is solved, the heat dissipation of the wheel hub is easier, the service life of the tire is prolonged, and the probability of tire burst accidents is reduced.
As shown in fig. 1 to 3, the bracket 11 is a stainless steel sheet structure, the bracket 11 plays a role in assembling and fixing the water cooler 9 and the silicon steel sheet 10, a rotating shaft hole 1101, a plurality of coil holes 1102, and a plurality of conduit holes 1103 are arranged on the bracket 11, the rotating shaft hole 1101 is located at the center of the bracket 11, and the diameter of the rotating shaft hole 1101 is the same as the diameter of the rotating shaft 5 on the automobile fixed end 1. The coil holes 1102 are arranged on the outer periphery of the support 11 along the circumference, the coil holes 1102 on the support 11 correspond to the through holes of the first silicon steel sheet 1001 and the second silicon steel sheet 1002, the diameters of the through holes are consistent, and the coil 12 penetrates through the coil holes 1102 to be communicated and wound on the first silicon steel sheet 1001 and the second silicon steel sheet 1002 on two sides of the support 11. The conduit holes 1103 are circumferentially arranged inside the coil holes 1102 and correspond to conduit ports of the first water cooler 901 and the second water cooler 902, and the water conduit 8 passes through the conduit holes 1103 and is wound in conduit chambers of the first water cooler 901 and the second water cooler 902. The periphery of the rotating shaft hole 1101 is also provided with a plurality of mounting holes for fixing the brake hub 3 and other functional accessories, and the whole driving structure is arranged at the fixed end 1 of the automobile through a fastening bolt 101, wherein the rotating shaft 5 on the fixed end 1 penetrates through the rotating shaft hole 1101.
As shown in fig. 1 and 4, the wheel hub 4 provided in this embodiment has the electric driving structure of the wheel hub built-in motor installed therein. A plurality of through holes are uniformly distributed on the circumference of the rim of the hub 4, grooves are also arranged at equal intervals among the through holes, and the grooves are meshed with the tooth grooves 202 on the shell 2 to play a reinforcing role. During installation, the second bolt 7 penetrates through the through hole and the fixing hole in the shell 2 to fixedly connect the shell 2 of the electric driving structure of the built-in motor of the wheel hub 4 with the wheel hub 4, so that the electric driving structure of the built-in motor of the wheel hub and the wheel hub 4 are mutually independent, the driving structure is not required to be replaced when the tire is replaced, and the replacement efficiency is improved.
The inner side of the support 11 is fixedly connected with the fixed end 1 of the automobile, the brake hub 3 of the wheel hub 4 is arranged at the central position of the outer side of the support 11, the other end of the brake hub 3 is fixed with the rim of the wheel hub 4 through the first bolt 6, and the brake hub 3 and the electric driving structure of the built-in motor of the wheel hub 4 are mutually independent, so that the brake structure cannot be influenced when the electric driving structure of the built-in motor of the wheel hub 4 is installed and driven, and the overall durability and the safety of the equipment are improved.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (9)
1. The electric driving structure of the wheel hub built-in motor is characterized by comprising a shell and a water cooler;
the surface of the inner wall of the shell is fixedly provided with a plurality of magnetic steel sheets, a group of silicon steel sheets are arranged in the inner cavity of the shell in a matched manner, a plurality of groups of coils are sequentially arranged on the outer surfaces of the silicon steel sheets, the silicon steel sheets are sleeved on the surface of the outer wall of the water cooler, the positions of the outer surfaces of the silicon steel sheets are opposite to the magnetic steel sheets, and the silicon steel sheets are not in contact with the magnetic steel sheets; the water cooler is symmetrically divided into two parts along the center and fixedly connected through a bracket; and a conduit chamber is arranged in the water cooler, and water guide pipes are distributed in parallel.
2. The electric driving structure of the wheel hub built-in motor of claim 1, wherein the water cooler is symmetrically divided into two parts along the center, and comprises a first water cooler and a second water cooler; the first water cooler is of a stepped shaft sleeve structure, the stepped shaft sleeve structure comprises a shaft shoulder and a shaft body, a plurality of conduit ports are uniformly arranged on the circumference of the diameter port end of one side of the shaft body of the first water cooler, and the conduit ports are communicated with one another to form a conduit chamber; the second water cooler is consistent with the first water cooler in structure, and the shaft shoulder of the first water cooler is also provided with an inlet and an outlet of a water guide pipe and communicated with the inside of the pipe opening.
3. The electric driving structure of the wheel hub built-in motor according to claim 2, wherein the outer edges of the shaft shoulders of the first water cooler and the second water cooler are respectively provided with an oil seal which is in contact with the outer edge of the housing, and a sealed dust-free area is formed between the shaft shoulder of the water cooler and the housing through the oil seal.
4. The electric driving structure of the wheel hub built-in motor according to claim 3, wherein a rotating shaft hole, a coil hole and a conduit hole are formed in the bracket, and the rotating shaft hole is located at the center of the bracket; the coil holes are arranged on the outer circumference of the bracket and correspond to the positions of the through holes on the silicon steel sheet; the guide pipe holes are circumferentially arranged on the inner sides of the coil holes and correspond to the guide pipe ports of the first water cooler and the second water cooler, and a plurality of mounting holes are further formed around the rotating shaft hole.
5. The electric driving structure of the wheel hub built-in motor according to claim 4, wherein a group of silicon steel sheets comprises a first silicon steel sheet and a second silicon steel sheet, the first silicon steel sheet is sleeved on the shaft body of the first water cooler, and the second silicon steel sheet is sleeved on the shaft body of the second water cooler.
6. The electric driving structure of the wheel hub internal motor according to claim 5, wherein a plurality of fixing holes are uniformly arranged on the circumference of the housing, and tooth grooves are formed between the fixing holes.
7. A wheel hub characterized by comprising an electric drive structure of a wheel hub internal motor according to any one of claims 1 to 6.
8. The hub according to claim 7, wherein a plurality of through holes are uniformly distributed on the circumference of the rim of the hub, grooves are formed among the through holes, and the electric driving structure of the in-hub motor is fixedly connected with the hub through bolts.
9. The hub of claim 8, wherein the brake hub of the hub is centrally located on one side of the bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022197925.3U CN212935691U (en) | 2020-09-29 | 2020-09-29 | Electric driving structure of wheel hub built-in motor and hub with electric driving structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022197925.3U CN212935691U (en) | 2020-09-29 | 2020-09-29 | Electric driving structure of wheel hub built-in motor and hub with electric driving structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212935691U true CN212935691U (en) | 2021-04-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022197925.3U Active CN212935691U (en) | 2020-09-29 | 2020-09-29 | Electric driving structure of wheel hub built-in motor and hub with electric driving structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212935691U (en) |
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2020
- 2020-09-29 CN CN202022197925.3U patent/CN212935691U/en active Active
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