CN215634584U - Driving motor for brake caliper, brake caliper and vehicle - Google Patents
Driving motor for brake caliper, brake caliper and vehicle Download PDFInfo
- Publication number
- CN215634584U CN215634584U CN202121280252.6U CN202121280252U CN215634584U CN 215634584 U CN215634584 U CN 215634584U CN 202121280252 U CN202121280252 U CN 202121280252U CN 215634584 U CN215634584 U CN 215634584U
- Authority
- CN
- China
- Prior art keywords
- brake caliper
- flexible
- transmission assembly
- drive motor
- flexible transmission
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Braking Arrangements (AREA)
Abstract
The utility model discloses a driving motor for a brake caliper, the brake caliper and a vehicle, wherein the driving motor comprises: the motor comprises a motor shell, an output shaft, a flexible transmission assembly and a rigid fitting piece, wherein a rotatable rotor is formed in the motor shell, and a transmission cavity is formed in the rotor; the output shaft is arranged in the transmission cavity; the flexible transmission assembly is arranged in the transmission cavity and connected with the output shaft, and the flexible transmission assembly is driven by the output shaft to generate periodic deformation; the rigid matching piece is arranged in the transmission cavity and fixed with the motor shell, is matched with the flexible transmission assembly and contacts with the flexible transmission assembly at the position where the flexible transmission assembly deforms so as to enable the flexible transmission assembly to rotate. According to the driving motor disclosed by the utility model, the transmission cavity is formed on the rotor, and the flexible transmission assembly, the rigid matching piece and the output shaft are arranged in the transmission cavity, so that the volume of the driving motor is reduced, the volume of the brake caliper is reduced, and the whole vehicle is convenient to arrange.
Description
Technical Field
The utility model relates to the field of vehicles, in particular to a driving motor for a brake caliper, the brake caliper and a vehicle.
Background
At present, in an electronic brake system of a motor vehicle, power output by a motor must go through the process of speed reduction and torque increase, and along with the development of automobile intellectualization, in order to realize more intelligent brake operation, the brake caliper must be added with an independent control unit, so that a larger challenge is provided for originally tense spatial arrangement, a transmission mechanism needs to be integrated, and the volume of the brake caliper is reduced to meet the development requirement of intellectualization.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solving at least one of the problems of the prior art. To this end, an object of the present invention is to provide a driving motor for a brake caliper, which reduces the volume of the driving motor by forming a transmission cavity on a rotor and disposing a flexible transmission assembly, a rigid fitting and an output shaft in the transmission cavity, thereby reducing the volume of the brake caliper to facilitate the layout of the entire vehicle.
The utility model also provides a brake caliper with the driving motor.
The utility model also provides a vehicle with the brake caliper.
The driving motor for a brake caliper according to the present invention includes: the motor comprises a motor shell, an output shaft, a flexible transmission assembly and a rigid fitting piece, wherein a rotatable rotor is formed in the motor shell, and a transmission cavity is formed in the rotor; the output shaft is arranged in the transmission cavity; the flexible transmission assembly is arranged in the transmission cavity and connected with the output shaft, and the flexible transmission assembly is driven by the output shaft to generate periodic deformation; the rigid matching piece is arranged in the transmission cavity and fixed with the motor shell, is matched with the flexible transmission assembly and contacts with the position where the flexible transmission assembly deforms so as to enable the flexible transmission assembly to rotate.
According to the driving motor for the brake caliper, the transmission cavity is formed in the rotor, and the flexible transmission assembly and the rigid matching piece are arranged in the transmission cavity, so that the flexible transmission assembly and the rigid matching piece can be effectively prevented from occupying the axial space, the space utilization rate of the driving motor is improved, and the volume of the driving motor is reduced.
According to one embodiment of the utility model, an output carrier is arranged on the flexible transmission assembly, and the output carrier is connected with a brake piston of the brake caliper.
According to one embodiment of the utility model, the flexible drive assembly comprises: a generator cam and a flexspline, the generator cam being coupled to the output shaft and the generator cam being configured in an elliptical shape; the flexible gear is sleeved on the periphery of the generator cam and is driven by the generator cam to deform periodically, and the outer surface of the flexible gear is meshed with the rigid matching piece.
According to one embodiment of the utility model, the flexible drive assembly further comprises a bearing, an inner race of the bearing cooperating with the generator cam and an outer race of the bearing cooperating with the flexible gear.
According to one embodiment of the utility model, the inner ring of the bearing and the outer ring are both configured as flexible parts, the inner ring being tensioned around the generator cam.
According to one embodiment of the utility model, the major axis of the outer diameter of the flexspline is the same as the inner diameter of the positive fit.
According to one embodiment of the utility model, the rigid fitting piece is provided with a plurality of first teeth on the inner periphery, and the flexible gear is provided with a plurality of second teeth on the outer periphery, and the second teeth are meshed with the first teeth for periodic transmission in the periodic deformation process of the flexible gear.
According to one embodiment of the utility model, one end of the flexible wheel is provided with an installation matching part protruding towards the brake piston, the installation matching part is provided with a plurality of riveting holes, and the output support is provided with a plurality of riveting columns matched with the riveting holes.
A brake caliper according to the present invention will be briefly described below.
The brake caliper according to the present invention comprises: brake piston and above-mentioned driving motor, the output of driving motor links to each other with the input of brake piston.
The brake caliper is provided with the driving motor of the embodiment, and the driving motor makes full use of the internal space of the rotor to effectively reduce the volume of the driving motor, so that the volume of the brake caliper is reduced, and the problem of tension in the arrangement space of the brake caliper is solved.
The vehicle according to the present invention is briefly described below.
According to the brake caliper provided with the embodiment on the vehicle, the brake caliper provided with the embodiment on the vehicle is small in size, convenient for arrangement of the whole vehicle, high in power transmission efficiency and capable of effectively improving the braking effect of the vehicle.
Additional aspects and advantages of the utility model 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 utility model.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is an exploded view of a driving motor according to the present invention;
fig. 2 is a sectional view of a driving motor according to the present invention;
FIG. 3 is a schematic view of a positive fit according to the present invention;
FIG. 4 is a schematic view of a flexspline according to the present invention;
FIG. 5 is a schematic view of an output support according to the present invention;
fig. 6 is a schematic view of a bearing according to the present invention.
Reference numerals:
the motor (100) is driven and,
a motor housing 110, a rotor 120, a transmission cavity 121, an output shaft 130,
a flexible drive assembly 140, a generator cam 141, a flexspline 142,
a bearing 143, an inner ring 143a, an outer ring 143b, a cage 143c, a second tooth 144,
the rigid mating member 150, the first teeth 151,
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
The driving motor 100 according to an embodiment of the present invention is described below with reference to fig. 1 to 6.
The driving motor 100 can be used for driving a piston in a brake caliper, at present, in an electronic braking system of a motor vehicle, power output by the motor must go through a process of speed reduction and torque increase, and with the development of automobile intellectualization, in order to realize more intelligent braking operation, the brake caliper must be added with an independent control unit, so that a greater challenge is provided for originally tense spatial arrangement, and therefore a transmission mechanism needs to be integrated, and the volume of the brake caliper is reduced to meet the development requirement of intellectualization.
The driving motor 100 for a brake caliper according to an embodiment of the present invention includes: the motor comprises a motor shell 110, an output shaft 130, a flexible transmission assembly 140 and a rigid fitting 150, wherein a rotatable rotor 120 is formed in the motor shell 110, and a transmission cavity 121 is formed in the rotor 120; the output shaft 130 is arranged in the transmission cavity 121; the flexible transmission assembly 140 is arranged in the transmission cavity 121 and connected with the output shaft 130, and the flexible transmission assembly 140 is driven by the output shaft 130 to generate periodic deformation; the rigid coupling member 150 is disposed in the transmission cavity 121 and fixed to the motor housing 110, and the rigid coupling member 150 is coupled to the flexible transmission member 140 and contacts the flexible transmission member 140 at a position where the flexible transmission member 140 is deformed to rotate the flexible transmission member 140.
The flexible transmission assembly 140 is connected to the output shaft 130, the output shaft 130 is rotatably adapted to drive the flexible transmission assembly 140 to deform, and the deformed position of the flexible transmission assembly 140 is in contact with the rigid fitting 150, so that the flexible transmission assembly 140 can rotate relative to the rigid fitting 150, and thus the output rotation speed of the output shaft 130 can be reduced by the cooperation of the flexible transmission assembly 140 and the rigid fitting 150.
It should be noted that positive engagement member 150 and flexible drive assembly 140 cooperate to form a harmonic reduction unit.
Further, the flexible transmission assembly 140 and the rigid fitting 150 are disposed in the transmission cavity 121, and the transmission cavity 121 is formed on the rotor 120, so that the internal space of the driving motor 100 can be fully utilized, and the occupation of the axial arrangement space of the flexible transmission assembly 140 and the rigid fitting 150 on the output shaft 130 is reduced, thereby reducing the volume of the driving motor 100.
According to the driving motor 100 for the brake caliper, the transmission cavity 121 is formed in the rotor 120, and the flexible transmission assembly 140 and the rigid fitting 150 are arranged in the transmission cavity 121, so that the flexible transmission assembly 140 and the rigid fitting 150 can be effectively prevented from occupying the axial space, the space utilization rate of the driving motor 100 is improved, and the volume of the driving motor 100 is reduced.
According to an embodiment of the present invention, the flexible transmission assembly 140 is provided with an output bracket 160, the output bracket 160 is connected with the brake piston of the brake caliper, and the output bracket 160 is arranged to transmit the power of the flexible transmission assembly 140 to the brake piston of the brake caliper.
According to one embodiment of the present invention, as shown in FIG. 1, the flexible drive assembly 140 comprises: a generator cam 141 and a flexspline 142, the generator cam 141 being connected to the output shaft 130 and the generator cam 141 being configured in an elliptical shape; the flexible wheel 142 is sleeved on the periphery of the generator cam 141 and is periodically deformed under the driving of the generator cam 141, and the outer surface of the flexible wheel 142 is engaged with the rigid matching piece 150. By configuring the generator cam 141 as an oval and sleeving the flexible gear 142 on the periphery of the generator cam 141, the generator 141 drives the flexible gear 142 to deform when rotating, so as to increase the meshing area between the outer surface of the flexible gear 142 and the rigid mating member 150 and improve the reliability of the relative rotation between the flexible gear 142 and the rigid mating member 150.
According to an embodiment of the present invention, as shown in fig. 1, the flexible transmission assembly 140 further includes a bearing 143, an inner race 143a of the bearing 143 is engaged with the generator cam 141, and an outer race 143b of the bearing 143 is engaged with the flexible gear 142. The bearing 143 is disposed between the flexible transmission assembly 140 and the generator cam 141 to prevent the generator cam 141 from contacting the flexible transmission assembly 140, so that the frictional resistance between the generator cam 141 and the flexible transmission assembly 140 is effectively reduced, and the power transmission efficiency of the driving motor 100 is improved.
Further, as shown in fig. 6, a retainer 143c is disposed between the inner ring 143a and the outer ring 143b of the bearing 143, and the retainer 143c is used to ensure that the relative positions of the balls between the inner ring 143a and the outer ring 143b of the bearing 143 are kept unchanged to avoid the misalignment interference between the balls.
According to an embodiment of the present invention, the inner ring 143a and the outer ring 143b of the bearing 143 are each configured as a flexible member, and the inner ring 143a is tightened around the outer circumference of the generator cam 141. By configuring the inner ring 143a and the outer ring 143b of the bearing 143 as flexible members, the bearing 143 can deform correspondingly when the generator cam 141 is engaged with the flexible gear 142, so as to avoid interference of the bearing 143 with deformation of the flexible gear 142.
According to an embodiment of the present invention, the major axis of the outer diameter of the flexible wheel 142 is the same as the inner diameter of the rigid fitting 150, so that when the flexible wheel 142 is deformed, the major axis of the outer diameter of the flexible wheel 142 is completely contacted with the rigid fitting 150, the minor axis of the outer diameter of the flexible wheel 142 is completely separated from the rigid fitting 150, and other parts of the flexible wheel 142 are in a state of being contacted with and separated from the rigid fitting 150.
According to an embodiment of the present invention, the inner circumference of the rigid fitting 150 is provided with a plurality of first teeth 151, the outer circumference of the flexspline 142 is provided with a plurality of second teeth 144, and the second teeth 144 are engaged with the first teeth 151 for periodic transmission during the periodic deformation of the flexspline 142.
As shown in fig. 1, the rigid fitting 150 is disposed opposite to the flexible gear 142 in the radial direction, and as shown in fig. 3, the rigid fitting 150 is configured as a rigid gear with an inner gear ring and is provided with a plurality of first teeth 151, and as shown in fig. 4, the flexible gear 142 is configured as a flexible gear with an outer gear ring and is provided with a plurality of second teeth 144; when the flexible gear 142 is deformed periodically, the second teeth 144 and the first teeth 151 on the long shaft are engaged for periodic transmission, so that the number of the engaged teeth of the first teeth 151 and the second teeth 144 is increased, that is, the contact area between the flexible gear 142 and the rigid fitting piece 150 is increased, and high torque transmission is realized.
According to an embodiment of the present invention, as shown in fig. 4 and 5, an installation matching portion 170 protruding toward the brake piston is provided at one end of the flexspline 142, a plurality of riveting holes 171 are formed on the installation matching portion 170, and a plurality of riveting columns 161 matched with the riveting holes 171 are provided on the output bracket 160. The riveting holes 171 are formed in the mounting and matching portion 170, the riveting columns 161 are formed in the output support 160, riveting fixation between the output support 160 and the flexible wheel 142 is achieved, and the mounting and matching portion 170 is provided with the riveting holes 171 which are matched with the riveting columns 161 in a one-to-one correspondence mode, so that the connection strength between the output support 160 and the flexible wheel 142 can be improved, the torque resistance performance of the riveting columns 161 is improved, and the output support 160 can stably transmit torque from the flexible wheel 142 and the rotating speed.
A brake caliper according to the present invention will be briefly described below.
The brake caliper according to the present invention comprises: the brake piston and the above-mentioned driving motor 100, the output end of the driving motor 100 is connected with the input end of the brake piston.
According to the brake caliper provided with the driving motor 100 of the embodiment, since the brake caliper provided with the driving motor 100 of the embodiment of the utility model fully utilizes the internal space of the rotor 120, the volume of the driving motor 100 is effectively reduced, the volume of the brake caliper is reduced, and the problem of the arrangement space tension of the brake caliper is alleviated.
The vehicle according to the present invention is briefly described below.
According to the brake caliper provided with the embodiment on the vehicle, the brake caliper provided with the embodiment on the vehicle is small in size, convenient for arrangement of the whole vehicle, high in power transmission efficiency and capable of effectively improving the braking effect of the vehicle.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.
In the description of the present invention, "the first feature" and "the second feature" may include one or more of the features.
In the description of the present invention, "a plurality" means two or more.
In the description of the present invention, the first feature being "on" or "under" the second feature may include the first and second features being in direct contact, and may also include the first and second features being in contact with each other not directly but through another feature therebetween.
In the description of the utility model, "above", "over" and "above" a first feature in a second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is higher in level than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A drive motor for a brake caliper, comprising:
the motor comprises a motor shell, wherein a rotatable rotor is formed in the motor shell, and a transmission cavity is formed in the rotor;
the output shaft is arranged in the transmission cavity;
the flexible transmission assembly is arranged in the transmission cavity and connected with the output shaft, and the flexible transmission assembly is driven by the output shaft to generate periodic deformation;
the rigid matching piece is arranged in the transmission cavity and fixed with the motor shell, is matched with the flexible transmission assembly and contacts with the position where the flexible transmission assembly deforms so as to enable the flexible transmission assembly to rotate.
2. A drive motor for a brake caliper according to claim 1, wherein an output carrier is provided on the flexible transmission assembly, said output carrier being connected to a brake piston of the brake caliper.
3. A drive motor for a brake caliper according to claim 2, said flexible transmission assembly comprising:
a generator cam coupled to the output shaft and configured to be elliptical;
the flexible gear is sleeved on the periphery of the generator cam and is driven by the generator cam to deform periodically, and the outer surface of the flexible gear is meshed with the rigid matching piece.
4. A drive motor for a brake caliper according to claim 3, wherein said flexible transmission assembly further includes a bearing, an inner race of said bearing engaging said generator cam and an outer race of said bearing engaging said flexspline.
5. A drive motor for a brake caliper according to claim 4, wherein both the inner ring and the outer ring of the bearing are configured as flexible members, the inner ring being tensioned around the generator cam.
6. A drive motor for a brake caliper according to claim 3, wherein an outer diameter long axis of said flexspline is the same as an inner diameter of said positive fit.
7. A drive motor for a brake caliper according to claim 3, wherein an inner periphery of said rigid fitting is provided with a plurality of first teeth, and an outer periphery of said flexspline is provided with a plurality of second teeth, said second teeth being engaged with said first teeth for periodic transmission during periodic deformation of said flexspline.
8. A drive motor for a brake caliper according to claim 7, wherein one end of said flexspline is provided with a mounting engagement portion that protrudes toward said brake piston, said mounting engagement portion being formed with a plurality of staking holes, and said output bracket being provided with a plurality of staking posts that engage with said staking holes.
9. A brake caliper, comprising:
a brake piston;
a drive motor configured as the drive motor of any one of claims 1-8, an output of the drive motor being connected to an input of the brake piston.
10. A vehicle comprising a brake caliper according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121280252.6U CN215634584U (en) | 2021-06-08 | 2021-06-08 | Driving motor for brake caliper, brake caliper and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121280252.6U CN215634584U (en) | 2021-06-08 | 2021-06-08 | Driving motor for brake caliper, brake caliper and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215634584U true CN215634584U (en) | 2022-01-25 |
Family
ID=79942172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121280252.6U Active CN215634584U (en) | 2021-06-08 | 2021-06-08 | Driving motor for brake caliper, brake caliper and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215634584U (en) |
-
2021
- 2021-06-08 CN CN202121280252.6U patent/CN215634584U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20190085957A1 (en) | Electrically driven actuator | |
| CN110871776A (en) | Electronic parking type brake actuating mechanism | |
| CN215634584U (en) | Driving motor for brake caliper, brake caliper and vehicle | |
| EP2557031B1 (en) | Transmission and traction motor module using the same | |
| KR102138850B1 (en) | Driving apparatus for electric vehicle | |
| CN218718346U (en) | Brake caliper assembly and automobile brake system | |
| JP2006103392A (en) | Wheel motor | |
| CN213064584U (en) | Double-shaft synchronous output permanent magnet direct current motor | |
| CN214775485U (en) | Seat motor mounting bracket and mounting structure between seat motor mounting bracket and motor reduction gearbox | |
| CN216709019U (en) | Hub reduction gear system and vehicle | |
| CN216111974U (en) | Speed reducer for punching machine | |
| JP2005042846A (en) | Deceleration drive device | |
| CN112722143A (en) | Built-in chain drive mechanism's electric bicycle puts motor in | |
| CN220101944U (en) | Planetary reducer and actuator with crossed roller bearing | |
| CN218894919U (en) | Speed reducer | |
| CN221177459U (en) | Driving device | |
| CN220904666U (en) | Coaxial electric drive structure | |
| CN219119714U (en) | Torque-variable rotary damping device | |
| CN219802055U (en) | Low-noise permanent magnet direct current speed reducing motor | |
| CN220053510U (en) | Driving assembly and running device | |
| CN215720407U (en) | Electronically controlled actuating mechanism | |
| CN117458769B (en) | Motor of integrated wave generator and integrated joint | |
| CN212022612U (en) | Compact actuator for vehicle electronic parking system | |
| CN219904498U (en) | Electric power steering device and vehicle | |
| CN218863309U (en) | Valve device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |