Clutch motor structure shared by double stator and rotor machine cores
By using a dual stator-rotor movement sharing a clutch-motor structure and utilizing a combination of an integrated clutch and two sets of movements, the problem of insufficient power of the hub motor when climbing, starting, and in complex road conditions is solved, achieving flexible power output and a compact structure.
Patent Information
- Application Number
- CN202422543295.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-21
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2034-10-21
Smart Images
Figure CN223462870U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to motor technical field especially is related to a double stator rotor movement core shares clutch motor structure. BACKGROUND
[0002] Electric power-assisted bicycle, full name for electric power-assisted bicycle, is a kind of bicycle combined with human pedaling and electric drive auxiliary power, and hub motor is the core component of electric drive auxiliary power, at present, the following problems exist in the working process of hub motor:
[0003] 1, motor climbing performance is one of important indicators of hub motor, motor often climbs more than itself limit slope or long distance, and motor heating is large and fast, leading to motor burnout or whole vehicle slip slope causes safety risk.
[0004] 2, hub motor starts, because motor built-in gear transmission structure, usually because larger speed ratio, leading to slow start, and it is laborious or directly blocked when starting on slope.
[0005] 3, hub motor is used by consumer, and when driving on relatively open flat road, often has faster speed demand, is limited with the performance of motor itself and cannot be realized, and consumer demand cannot be met.
[0006] 4, conventional hub motor torque is limited by design itself, for some complex road conditions and extreme scene use, consumer demand cannot be met, leading to motor gear damage or movement core burnout etc. INVENTION CONTENTS
[0007] The utility model solves the technical problems that: in order to overcome the insufficient of prior art, the utility model provides a double stator rotor movement core shares clutch motor structure.
[0008] The utility model solves the technical problems and adopts the technical scheme that a double stator rotor movement core shares clutch motor structure, including shell, left half axle, middle axle, right half axle, first movement core, second movement core and integrated clutch, wherein, left half axle, middle axle, right half axle are coaxially arranged in sequence from left to right, and first movement core is connected on left half axle, second movement core is connected on middle axle and right half axle, integrated clutch is arranged between first movement core and second movement core, and the interference fit between the outer wall of integrated clutch and the inner wall of shell, and integrated clutch has first clutch part and second clutch part, first movement core is transmissionally connected with first clutch part, realizes the transmission output of torque and rotating speed between first movement core and shell through the opening and closing control of first clutch part, second movement core is transmissionally connected with second clutch part, realizes the transmission output of torque and rotating speed between second movement core and shell through the opening and closing control of second clutch part, and the speed ratio of first movement core is less than the speed ratio of second movement core.
[0009] Further, the first clutch part is provided with a first inner gear ring, the second clutch part is provided with a second inner gear ring, the inner diameter of the first inner gear ring is larger than the inner diameter of the second inner gear ring, the first core is in transmission connection with the first inner gear ring, and the second core is in transmission connection with the second inner gear ring.
[0010] Further, the second core comprises a second stator, a second rotor, a gear box end cover, a wire outlet end cover and a second planetary gear, the inner ring of the second rotor is connected to the right end of the middle shaft, the second stator is arranged on the periphery of the second rotor, the gear box end cover and the wire outlet end cover are respectively arranged on the left and right sides of the second stator and the second rotor to seal the second stator and the second rotor inside, the outer rings of the gear box end cover and the wire outlet end cover are locked and fixed by the inner hexagonal cylindrical head screw, the inner ring of the gear box end cover is connected to the middle shaft through the rotor large bearing, the inner ring of the wire outlet end cover is connected to the middle shaft through the rotor small bearing, a plurality of gear box small shafts are fixedly connected to the gear box end cover, the gear box pin shafts extend to the left to form the first transmission part and the second transmission part, the first transmission part is located to the right of the second transmission part, and the positions of the first transmission part and the second transmission part correspond to the positions of the first inner gear ring and the second inner gear ring respectively, the second planetary gears correspond to the gear box small shafts one by one and are connected to the second transmission part of the gear box small shafts through the second planetary gear bearings, the left end of the middle shaft is provided with middle shaft teeth, the second planetary gear is a double planetary gear comprising a right end large gear and a left end small gear, the right end large gear is in mesh with the middle shaft teeth, the left end small gear is in mesh with the second inner gear ring, and the second planetary gear is used for inputting power and outputting torque to the shell through the outer wall of the integrated clutch.
[0011] Further, the first core comprises a first rotor, a first stator, a rotor support, a first planetary gear and a first sun gear, the first stator is fixed on the left half shaft, the first rotor is arranged on the outside of the first stator, a magnetic steel is arranged between the first stator and the first rotor, the left end of the first rotor is connected to the rotor support, the inner ring of the rotor support is rotatably connected to the left half shaft through the rotor bearing, the right end of the first rotor is fixedly connected to the left end of the first sun gear, the first sun gear is rotatably connected to the right end of the left half shaft through the sun gear bearing, the first planetary gears are connected to the first transmission part of the gear box small shafts one by one as the input end power of the motor, the first planetary gears are rotatably connected to the first transmission part through the first planetary gear bearings, and the inner and outer of the first planetary gears are in mesh with the first sun gear and the first inner gear ring respectively.
[0012] Preferably, the speed ratio of the first core is 1:2.95, and the speed ratio of the second core is 1:12.8.
[0013] Further, the first bearing, the second bearing, the third bearing, the card base and the skeleton type sealing ring are further included, the left end of the shell is rotatably connected to the rotor support of the first movement through the first bearing, the left end of the shell is further provided with the skeleton type sealing ring, and the left half shaft is sealingly connected with the left end of the shell through the skeleton type sealing ring, the second bearing and the third bearing are arranged at the left end and the right end of the card base, the right half shaft sleeve is arranged in the card base, the left end of the card base is rotatably connected with the right half shaft through the second bearing, and the right end is rotatably connected with the right half shaft through the third bearing, and the end cover of the right end of the shell is fixedly connected to the card base through screws, and the card base can rotate around the right half shaft together with the shell.
[0014] The utility model discloses beneficial effect is:
[0015] (1) the wheel hub motor interior only uses a clutch assembly as output unit, thereby reducing wheel hub motor cost and internal axial dimension.
[0016] (2) use two sets of motor movement structure, according to the mutual cooperation of two movement to share the power required by motor, reduce the risk of motor burnout;When a single motor does not meet the current slope, the second movement intervenes to cooperate with the first movement to input power simultaneously, to avoid the whole vehicle from sliding on the slope.
[0017] (3) when starting, the smaller speed ratio movement is used to drive output speed and torque, improving the response speed of vehicle speed-up;When meeting certain vehicle speed, the larger speed ratio movement is intervened to output speed and torque, and the smaller speed ratio movement is slowly removed from power output, and the vehicle speed is smoothly accelerated (different from the mechanical transmission, the gear shifting is smooth and no feeling).
[0018] (4) in extreme working condition, two movement outputs power simultaneously to meet the current scene requirement.
[0019] (5) the wheel hub motor power and vehicle speed are variable, and more vehicle model configuration requirements can be adapted. BRIEF DESCRIPTION OF DRAWINGS
[0020] The utility model will be further described below in combination with the drawings and examples.
[0021] Figure 1 It is the structure schematic view of the single clutch variable speed motor structure of the utility model.
[0022] Figure 2 It is the structure schematic view of the first movement of the utility model.
[0023] Figure 3 It is the structure schematic view of the second movement of the utility model.
[0024] Figure 4 It is Figure 3 The local enlarged structure schematic view of the second movement in it.
[0025] In the figure: 1, first motor, 1.1, first rotor, 1.2, first stator, 1.3, rotor support, 1.4, first planetary gear, 1.5, first sun gear, 1.6, magnet steel, 1.7, rotor bearing, 1.8, first planetary gear bearing, 1.9, sun gear bearing, 2, second motor, 2.1, second stator, 2.2, second rotor, 2.3, gear box end cover, 2.4, second planetary gear, 2.5, gear box small shaft, 2.6, second planetary gear bearing, 2.7, rotor small bearing, 2.8, rotor large bearing, 2.9, screw, 2.10, wire outlet end cover, 3, integrated clutch, 3.1, first inner ring, 3.2, second inner ring, 4, skeleton type sealing ring, 5, card base, 6, left half shaft, 7, middle shaft, 7.1, middle shaft tooth, 8, right half shaft, 9, shell, 10, first bearing, 11, second bearing, 12, third bearing. DETAILED DESCRIPTION
[0026] The utility model will be further explained in detail in combination with the drawings. These drawings are all simplified schematic diagrams, and only schematically show the basic structure of the utility model, so that they only show the relevant structure, direction and reference (such as up, down, left, right, etc.) of the utility model, which can only be used to help the description of the features in the drawings. Therefore, the following detailed description is not in the restrictive sense, and the scope of the claimed subject matter is only limited by the appended claims and their equivalents. Example 1
[0027] As Figures 1-3As shown in the utility model discloses a double fixed rotor machine core shared clutch motor structure, including the casing 9, left half axle 6, middle axle 7, right half axle 8, first machine core 1, second machine core 2 and integrated clutch 3, wherein, left half axle 6, middle axle 7, right half axle 8 are coaxially arranged in proper order from left to right, and the first machine core 1 is connected on left half axle 6, and second machine core 2 is connected on middle axle 7 and right half axle 8, the integrated clutch 3 is arranged between first machine core 1 and second machine core 2, the interference fit between the outer wall of integrated clutch 3 and the inner wall of casing 9, and integrated clutch 3 has first clutch part and second clutch part, first machine core 1 is transmissionally connected with first clutch part, and the transmission output of torque and rotational speed between first machine core 1 and casing 9 is realized through the opening and closing control of first clutch part, and second machine core 2 is transmissionally connected with second clutch part, and the transmission output of torque and rotational speed between second machine core 2 and casing 9 is realized through the opening and closing control of second clutch part, the speed ratio of first machine core 1 is less than the speed ratio of second machine core 2, as preferred, the speed ratio of first machine core 1 is 1:2.95, and the speed ratio of second machine core 2 is 1:12.8. In the embodiment, integrated clutch 3 integrates two gear ring clutches, shares output end, and input end can be controlled respectively, and input torque is respectively. Still include first bearing 10, second bearing 11, third bearing 12, card base 5 and skeleton type sealing ring 4, the left end of casing 9 is rotationally connected on rotor support 1.3 of first machine core 1 through first bearing 10, and casing 9 is directly connected on rotor support 1.3, can reduce the axial occupied space, the left end of casing 9 is further equipped with skeleton type sealing ring 4, and is sealingly connected with left half axle 6 through skeleton type sealing ring 4, second bearing 11 and third bearing 12 are arranged at the left and right ends of card base 5, right half axle 8 is sleeved into card base 5, and the left end of card base 5 is rotationally connected with right half axle 8 through second bearing 11, and the right end is rotationally connected with right half axle 8 through third bearing 12, the right end of casing 9 is fixedly connected on card base 5 through screw, and card base 5 can rotate along with casing 9 around right half axle 8.
[0028] As Figure 2 And Figure 3 As shown, the first clutch part is equipped with first inner gear ring 3.1, and the second clutch part is equipped with second inner gear ring 3.2, the inner diameter of first inner gear ring 3.1 is greater than the inner diameter of second inner gear ring 3.2, and first machine core 1 is transmissionally connected with first inner gear ring 3.1, and second machine core 2 is transmissionally connected with second inner gear ring 3.2.
[0029] As Figure 2As shown, the first core 1 includes a first rotor 1.1, a first stator 1.2, a rotor support 1.3, a first planetary gear 1.4 and a first sun gear 1.5, the first stator 1.2 is fixed on the left half shaft 6, the first rotor 1.1 is arranged outside the first stator 1.2, a magnetic steel is arranged between the first stator 1.2 and the first rotor 1.1, the left end of the first rotor 1.1 is fixedly connected with the rotor support 1.3, the inner ring of the rotor support 1.3 is rotatably connected to the left half shaft 6 through a rotor bearing 1.7, the right end of the first rotor 1.1 is fixedly connected with the left end of the first sun gear 1.5, the first sun gear 1.5 is rotatably connected to the right end of the left half shaft 6 through a sun gear bearing 1.9, the first planetary gear 1.4 is one-to-one connected to the first transmission part of the gear box small shaft 2.5 as the input power of the motor, and the first planetary gear 1.4 is rotatably connected to the first transmission part through a first planetary gear bearing 1.8, and the inner and outer of the first planetary gear 1.4 are respectively engaged with the first sun gear 1.5 and the first inner ring gear 3.1.
[0030] The working principle of the first core 1 is as follows: after the first stator 1.2 is electrified, the magnetic field generated interacts with the magnetic field of the magnetic steel 1.6 to drive the outer first rotor 1.1 and the rotor support 1.3 to stably rotate periodically, the first rotor 1.1 and the first sun gear 1.5 are reliably fixed by screws, the rotation of the first rotor 1.1 drives the first sun gear 1.5 to rotate simultaneously, the first sun gear 1.5 serves as a mechanical transmission input power source of the motor, when the first rotor 1.1 works, the first clutch part is in a non-sliding state, the power of the first sun gear 1.5 is finally transmitted to the first inner ring gear 3.1 of the mechanical transmission output part first clutch part through the first planetary gear 1.4, the rotation of the first inner ring gear 3.1 causes the first clutch part to wedge, and through the reliable interference amount cooperation design of the first clutch part and the shell 9 of the motor, the rotation of the motor shell 9 is finally realized, so as to output the torque.
[0031] As Figure 3 and Figure 4As shown, the second core 2 includes a second stator 2.1, a second rotor 2.2, a gear box end cover 2.3, a outgoing line end cover 2.10 and a second planetary gear 2.4, wherein the inner circle of the second rotor 2.2 is connected to the right end of the middle shaft 7, the second stator 2.1 is arranged on the periphery of the second rotor 2.2, the gear box end cover 2.3 and the outgoing line end cover 2.10 are arranged on the left and right sides of the second stator 2.1 and the second rotor 2.2 respectively, the second stator 2.1 and the second rotor 2.2 are sealed in the interior, the outer circle of the gear box end cover 2.3 and the outgoing line end cover 2.10 are locked and fixed by the hexagonal cylindrical head screw 2.9, the inner circle of the gear box end cover 2.3 is connected to the middle shaft 7 through the rotor large bearing 2.8, the inner circle of the outgoing line end cover 2.10 is connected to the middle shaft 7 through the rotor small bearing 2.7, a plurality of gear box small shafts 2.5 are fixedly connected to the gear box end cover 2.3, the gear box pin shafts extend to the left to form a first transmission part and a second transmission part, the first transmission part is located to the right of the second transmission part, and the positions of the two correspond to the positions of the first inner ring gear 3.1 and the second inner ring gear 3.2 respectively, the second planetary gear 2.4 corresponds to the gear box small shaft 2.5 one by one, and is connected to the second transmission part of the gear box small shaft 2.5 through the second planetary gear bearing 2.6, the left end of the middle shaft 7 is provided with a middle shaft tooth 7.1, the second planetary gear 2.4 is a double planetary gear, including a right end large gear and a left end small gear, the right end large gear is engaged with the middle shaft tooth 7.1, the left end small gear is engaged with the second inner ring gear 3.2, and is used for inputting power, and the torque is output to the shell 9 through the outer wall of the integrated clutch 3.
[0032] The working principle of the second core 2 is as follows: the second stator 2.1 generates a magnetic field after being electrified, under the mutual action of the magnetic field, the inner side second rotor 2.2 is driven to rotate periodically and stably, the second rotor 2.2 is fixedly connected with the middle shaft 7, the middle shaft 7 is driven to rotate, the middle shaft tooth 7.1 is engaged with the second planetary gear 2.4, the second planetary gear 2.4 is driven to rotate on the gear box small shaft 2.5, and the torque is transmitted to the second clutch part, when the motor does not work, the second clutch part slides, the core does not move, when the motor works, the second clutch part is tightly wedged, and the power is ensured to be transmitted to the shell 9 of the motor.
[0033] In the embodiment, the integrated clutch 3 is used to replace two split clutches, so that different torques and rotating speeds are transmitted, and the structure is more compact.
[0034] Based on the above ideal embodiment of the utility model, through the above description, relevant staff can make various changes and modifications without deviating from the scope of the utility model. The technical scope of the utility model is not limited to the content in the specification, and must be determined according to the scope of claims.
Claims
1. A dual-rotor core shared clutch motor structure, characterized in that: The application relates to a transmission mechanism of a watch, which comprises a shell, a left half shaft, a middle shaft, a right half shaft, a first movement, a second movement and an integrated clutch, wherein the left half shaft, the middle shaft and the right half shaft are coaxially arranged from left to right, the first movement is connected to the left half shaft, the second movement is connected to the middle shaft and the right half shaft, the integrated clutch is arranged between the first movement and the second movement, the outer wall of the integrated clutch is in interference fit with the inner wall of the shell, the integrated clutch has a first clutch part and a second clutch part, the first movement is in transmission connection with the first clutch part, the transmission of the torque and the rotation speed between the first movement and the shell is realized through the opening and closing control of the first clutch part, the second movement is in transmission connection with the second clutch part, and the transmission of the torque and the rotation speed between the second movement and the shell is realized through the opening and closing control of the second clutch part; the speed ratio of the first movement is smaller than that of the second movement.
2. The dual- stator motor structure with a shared clutch for a dual- rotor motor core according to claim 1, characterized in that: The first clutch part is provided with a first inner gear ring, the second clutch part is provided with a second inner gear ring, the inner diameter of the first inner gear ring is larger than that of the second inner gear ring, the first movement is in transmission connection with the first inner gear ring, and the second movement is in transmission connection with the second inner gear ring.
3. The dual- stator motor structure with a shared clutch for a dual- rotor motor core according to claim 2, characterized in that: The second movement comprises a second stator, a second rotor, a gear box end cover, a wire outlet end cover and a second planetary gear, wherein the inner circle of the second rotor is connected to the right end of the middle shaft, the second stator is arranged on the periphery of the second rotor, the gear box end cover and the wire outlet end cover are respectively arranged on the left and right sides of the second stator and the second rotor, the second stator and the second rotor are enclosed in the interior, the inner circle of the gear box end cover is connected to the middle shaft through a rotor large bearing, the inner circle of the wire outlet end cover is connected to the middle shaft through a rotor small bearing, a plurality of gear box small shafts are fixedly connected to the gear box end cover, the gear box pin shafts extend to the left to form a first transmission part and a second transmission part, the second planetary gear is in one-to-one correspondence with the gear box small shafts and is connected to the second transmission part of the gear box small shaft through a second planetary gear bearing, the left end of the middle shaft is provided with a middle shaft tooth, the second planetary gear is a double planetary gear, comprising a right end large gear and a left end small gear, the right end large gear is in mesh with the middle shaft tooth, and the left end small gear is in mesh with the second inner gear ring, so as to input power and output the torque to the shell through the outer wall of the integrated clutch.
4. The dual- stator motor structure with a clutch shared by the rotor cores according to claim 3, characterized in that: The first movement comprises a first rotor, a first stator, a rotor support, a first planetary gear and a first sun gear, the first stator is fixed to the left half shaft, the first rotor is arranged on the outside of the first stator, the left end of the first rotor is connected to the rotor support, the inner circle of the rotor support is rotationally connected to the left half shaft, the right end of the first rotor is fixedly connected to the left end of the first sun gear, the first sun gear is rotationally connected to the right end of the left half shaft through a sun gear bearing, the first planetary gear is in one-to-one correspondence with the first transmission part of the gear box small shaft and is rotationally connected to the first transmission part through a first planetary gear bearing, and the first planetary gear is in mesh with the first sun gear and the first inner gear ring.
5. The dual- stator motor structure with a clutch shared by the rotor cores according to claim 1, characterized in that: The speed ratio of the first movement is 1:2.95, and the speed ratio of the second movement is 1:12.
8.
6. The dual- stator motor structure with a clutch shared by the rotor cores according to claim 1, characterized in that: Also include the first bearing, second bearing, third bearing, card base and skeleton type sealing ring, the shell left end is rotatably connected on the rotor support of the first movement through the first bearing, the shell left end is also provided with skeleton type sealing ring, and is sealed with the left half shaft through the skeleton type sealing ring, the second bearing, third bearing is arranged at the left and right ends of the card base, the right half shaft is sleeved into the card base, and the left end of the card base is rotatably connected with the right half shaft through the second bearing, and the right end is rotatably connected with the right half shaft through the third bearing, and the end cover of the shell right end is fixedly connected on the card base through the screw, and the card base can rotate around the right half shaft with the shell.