Drive system and motorized equipment

By designing a drive system including motors and multiple transmission structures, the problems of complex control and high vehicle manufacturing cost of existing four-wheel drive electric vehicles are solved, and the effect of simplifying control and reducing costs is achieved while ensuring the vehicle's Stability and escape function.

CN222512138UActive Publication Date: 2025-02-21ZHEJIANG LEAPPOWER TECH CO LTD +1
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Patent Information

Application Number
CN202421354616.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-13
Publication Date
2025-02-21
Estimated Expiration
2034-06-13

AI Technical Summary

Technical Problem

Existing four-wheel drive electric vehicles usually have one motor per wheel, resulting in complex control of the entire vehicle and high cost of building the vehicle.

Method used

A drive system is designed, including a motor and at least two transmission structures. The input end of each transmission structure is connected to the motor and the output end is connected to different wheels on the same side of the vehicle along the direction of travel, and a multi-wheel drive is realized through one motor.

Benefits of technology

It simplifies the complexity of vehicle control, reduces the cost of building a car, and ensures that the wheel on the other side outputs torque normally when the vehicle turns or when the wheel on one side slips, achieving the stability and escape function of the vehicle.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a driving system and maneuvering equipment, the driving system comprises a motor and at least two transmission structures, the input ends of the at least two transmission structures are connected with the motor, and the output end of each transmission structure is used for being connected with different wheels on the same side of a vehicle in the advancing direction. The motor can drive each transmission structure and drive the wheels to rotate through the transmission structures, so that the purpose of multi-wheel driving can be achieved through one motor, the complexity of whole vehicle control is simplified, and the vehicle manufacturing cost can be further reduced by reducing the number of the motors; due to the fact that each transmission structure is connected with different wheels on the same side of the vehicle in the advancing direction, the vehicle body is more stable when the vehicle turns, and when the wheel on one side slips, the wheel on the other side can normally output torque so as to achieve the purpose that the vehicle gets out of trouble. And the wheels on the two sides can be controlled to rotate forwards and backwards through different motors, so that the function of turning around of the vehicle tank is achieved.
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Description

Technical Field

[0001] The present application relates to the technical field of automobile parts, and in particular to a drive system and a motorized device. Background Art

[0002] In order to cope with the rising fuel prices and the volatile international oil situation, my country has vigorously promoted the use of new energy, such as electricity and hydrogen. Among them, new energy vehicles have developed the fastest. Regardless of electricity or hydrogen, the final drive of the vehicle is the motor. At present, the existing four-wheel drive electric vehicles usually have a motor corresponding to each wheel to achieve the purpose of distributed drive. However, this not only makes the vehicle control more complicated, but also greatly increases the cost of vehicle manufacturing. Utility Model Content

[0003] The embodiments of the present application provide a driving system and a motorized device to solve the problem that existing four-wheel drive electric vehicles are usually provided with a motor corresponding to each wheel, which makes the control of the entire vehicle more complicated and also greatly increases the cost of vehicle manufacturing.

[0004] In a first aspect, an embodiment of the present application provides a drive system, including:

[0005] Motor;

[0006] At least two transmission structures, at least two of the input ends of the transmission structures are connected to the motor, and the output end of each of the transmission structures is used to connect to different wheels on the same side of the vehicle along the direction of travel; wherein the motor can drive the transmission structure to drive the wheels to rotate.

[0007] In one embodiment, the transmission structure includes a first transmission structure and a second transmission structure, the first transmission structure includes a first gear and a second gear, and the second transmission structure includes a third gear and a fourth gear; wherein the first gear and the third gear are both connected to the motor, the input end of the second gear is connected to the first gear, the input end of the fourth gear is connected to the third gear, and the output end of the second gear and the output end of the fourth gear are both used to connect to wheels.

[0008] In one embodiment, the first transmission structure further includes a first reducer, an input end of the first reducer is connected to an output end of the second gear, and an output end of the first reducer is connected to a wheel; and / or

[0009] The second transmission structure further includes a second reducer, an input end of the second reducer is connected to an output end of the fourth gear, and an output end of the second reducer is connected to a wheel.

[0010] In one embodiment, the drive system includes a first locking structure, a second locking structure and a third locking structure, the first locking structure is arranged between the motor and the first gear, the second locking structure is arranged between the second gear and the first reducer, and the third locking structure is arranged between the first reducer and the wheel; and / or

[0011] The drive system includes a fourth locking structure, a fifth locking structure and a sixth locking structure. The fourth locking structure is arranged between the motor and the third gear, the fifth locking structure is arranged between the fourth gear and the second reducer, and the sixth locking structure is arranged between the second reducer and the wheel.

[0012] In one embodiment, the drive system further includes a seventh locking structure, and the seventh locking structure is disposed in the first reducer and / or in the second reducer.

[0013] In one embodiment, the drive system also includes a fifth gear, an input end of the fifth gear is connected to the motor, the transmission structure includes a first transmission structure and a second transmission structure, the input end of the first transmission structure is connected to the first output end of the fifth gear, the input end of the second transmission structure is connected to the second output end of the fifth gear, and the output end of the first transmission structure and the output end of the second transmission structure are both used to connect to wheels.

[0014] In one embodiment, the first transmission structure includes a third reducer, the second transmission structure includes a fourth reducer, and the drive system further includes an eighth locking structure, which is arranged between the third reducer and the wheel, and / or between the fourth reducer and the wheel.

[0015] In one embodiment, the drive system further includes at least one ninth locking structure, and at least one ninth locking structure is disposed in the third reducer and / or in the fourth reducer.

[0016] In one embodiment, the drive system comprises:

[0017] Motor;

[0018] A gear structure, wherein an input end of the gear structure is connected to the motor, and a first output end of the gear structure is used to connect to a wheel;

[0019] A transmission structure, wherein the input end of the transmission structure is connected to the second output end of the gear structure, and the output end of the transmission structure is used to connect to the wheel.

[0020] In a second aspect, an embodiment of the present application further provides a motorized device, comprising a drive system as described in any of the above embodiments.

[0021] The drive system provided in the embodiment of the present application includes a motor and at least two transmission structures, wherein the input ends of the at least two transmission structures are connected to the motor, and the output end of each transmission structure is used to connect to different wheels on the same side of the vehicle along the direction of travel, wherein the motor can drive each transmission structure and drive the wheels to rotate through the transmission structure, so that when facing a four-wheel drive or multi-wheel drive electric vehicle, the purpose of multi-wheel drive can be achieved through one motor, thereby simplifying the complexity of the entire vehicle control and being able to further reduce the cost of vehicle manufacturing by reducing the number of motors.

[0022] At the same time, since each transmission structure connects different wheels on the same side of the vehicle in the direction of travel, it is possible to control different wheels on the same side through one motor, which not only makes the vehicle body more stable when turning, but also when the wheel on one side slips, the wheel on the other side can output torque normally to achieve the purpose of getting the vehicle out of trouble; in addition, different motors can be used to control the wheels on both sides to rotate forward and reverse respectively, so as to realize the function of turning the vehicle tank. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present application, and those skilled in the art can obtain other drawings based on these drawings without creative work.

[0024] Figure 1 This is a schematic diagram of the overall structure of the drive system provided in the first embodiment of the present application.

[0025] Figure 2 This is a schematic diagram of the overall structure of the drive system provided in the second embodiment of the present application.

[0026] Figure 3 This is a schematic diagram of the overall structure of the drive system provided in the third embodiment of the present application.

[0027] Figure 4 This is a schematic diagram of the overall structure of the drive system provided in the fourth embodiment of the present application.

[0028] Figure 5 This is a schematic diagram of the overall structure of the drive system provided in the fifth embodiment of the present application.

[0029] Figure 6 A schematic diagram of the overall structure of the mobile equipment provided in an embodiment of the present application.

[0030] Description of reference numerals:

[0031] 100. Drive system;

[0032] 110. Motor;

[0033] 120, transmission structure; 121, first transmission structure; 1211, first gear; 1212, second gear; 1213, first reducer; 1214, third reducer; 122, second transmission structure; 1221, third gear; 1222, fourth gear; 1223, second reducer; 1224, fourth reducer;

[0034] 131, first locking structure; 132, second locking structure; 133, third locking structure; 134, fourth locking structure; 135, fifth locking structure; 136, sixth locking structure; 137, seventh locking structure; 138, eighth locking structure; 139, ninth locking structure;

[0035] 140, fifth gear;

[0036] 150. Gear structure;

[0037] 200. Motorized equipment; 210. Wheels. DETAILED DESCRIPTION

[0038] The technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present application.

[0039] In order to cope with the rising fuel prices and the volatile international oil situation, my country has vigorously promoted the use of new energy, such as electricity and hydrogen. Among them, new energy vehicles have developed the fastest. Regardless of electricity or hydrogen, the final drive of the vehicle is the motor. At present, the existing four-wheel drive electric vehicles usually have a motor corresponding to each wheel to achieve the purpose of distributed drive. However, this not only makes the vehicle control more complicated, but also greatly increases the cost of vehicle manufacturing.

[0040] Based on the above technical problems, the embodiment of the present application provides a driving system 100, such as Figure 1As shown, the drive system 100 includes a motor 110 and at least two transmission structures, the input ends of the at least two transmission structures are connected to the motor 110, and the output end of each transmission structure is used to connect to different wheels 210 on the same side of the vehicle along the direction of travel, wherein the motor 110 can drive each transmission structure and drive the wheels 210 to rotate through the transmission structure, so that when facing a four-wheel drive or multi-wheel drive electric vehicle, the purpose of multi-wheel drive can be achieved through one motor 110, thereby simplifying the complexity of the entire vehicle control, and can further reduce the cost of vehicle manufacturing by reducing the number of motors 110.

[0041] At the same time, it can be understood that in the present embodiment, since each transmission structure connects different wheels 210 on the same side of the vehicle in the direction of travel, it is possible to control different wheels 210 on the same side through one motor 110, thereby not only making the vehicle body more stable when turning, but also when the wheel 210 on one side slips, the wheel 210 on the other side can output torque normally to achieve the purpose of getting the vehicle out of trouble; in addition, different motors 110 can be used to control the wheels 210 on both sides to rotate forward and reverse respectively, so as to achieve the function of turning the vehicle tank.

[0042] It should be noted that, in further embodiments of the present application, Figure 1 As shown, each transmission structure can be connected to only one wheel 210 (ie, each transmission structure only drives one wheel 210 to rotate), thereby further ensuring the power of the vehicle when driving.

[0043] In some embodiments, Figure 2 As shown, the transmission structure may include a first transmission structure 121 and a second transmission structure 122, the first transmission structure 121 may include a first gear 1211 and a second gear 1212, and the second transmission structure 122 may include a third gear 1221 and a fourth gear 1222, wherein the first gear 1211 and the third gear 1221 are both connected to the motor 110, so that the power of the motor 110 can be output to the first gear 1211 and the third gear 1221, and at the same time, the input end of the second gear 1212 is connected to the first gear 1211, the input end of the fourth gear 1222 is connected to the third gear 1221, and the output end of the second gear 1212 and the output end of the fourth gear 1222 are both used to connect to the wheel 210. It can be understood that since the second gear 1212 is connected to the first gear 1211, and the fourth gear 1222 is connected to the third gear 1221, the power of the motor 110 can be transmitted to different wheels 210 through the second gear 1212 and the fourth gear 1222 to achieve the purpose of driving the vehicle.

[0044] In a further embodiment, Figure 3As shown, the first transmission structure 121 may further include a first reducer 1213, the input end of the first reducer 1213 is connected to the output end of the second gear 1212, and the output end of the first reducer 1213 is connected to the wheel 210, thereby increasing the torque of the motor 110 and improving the load capacity of the motor 110. At the same time, the second transmission structure 122 may also include a second reducer 1223, the input end of the second reducer 1223 is connected to the output end of the fourth gear 1222, and the output end of the second reducer 1223 is connected to the wheel 210. It can be understood that in this embodiment, the first reducer 1213 and the second reducer 1223 can be set to different speed ratios. At the same time, this embodiment can selectively set the first reducer 1213 or the second reducer 1223, which is not limited here.

[0045] In some embodiments, Figure 3 As shown, the drive system 100 may include a first locking structure 131, a second locking structure 132 and a third locking structure 133, the first locking structure 131 being arranged between the motor 110 and the first gear 1211 (wherein the first locking structure 131 is used to connect or disconnect the motor 110 and the first gear 1211), the second locking structure 132 being arranged between the second gear 1212 and the first reducer 1213 (wherein the second locking structure 132 is used to connect or disconnect the second gear 1212 and the first reducer 1213), and the third locking structure 133 being arranged between the first reducer 1213 and the wheel 210 (wherein the third locking structure 133 is used to connect or disconnect the first reducer 1213 and the wheel 210).

[0046] In the meantime, please continue to read Figure 3 In the above embodiment, the drive system 100 may further include a fourth locking structure 134, a fifth locking structure 135 and a sixth locking structure 136, wherein the fourth locking structure 134 is arranged between the motor 110 and the third gear 1221 (wherein the fourth locking structure 134 is used to connect or disconnect the motor 110 and the third gear 1221), the fifth locking structure 135 is arranged between the fourth gear 1222 and the second reducer 1223 (wherein the fifth locking structure 135 is used to connect or disconnect the fourth gear 1222 and the second reducer 1223), and the sixth locking structure 136 is arranged between the second reducer 1223 and the wheel 210 (wherein the sixth locking structure 136 is used to connect or disconnect the second reducer 1223 and the wheel 210), so as to achieve the purpose of driving the specific wheel 210 to rotate by locking or disengaging the locking structure, thereby meeting the requirements of large torque or high speed when the whole vehicle is in use.

[0047] It should be noted that the locking structure mentioned in this embodiment can be one of a clutch, a one-way clutch or a shift fork.

[0048] In some embodiments, Figure 3 As shown, the driving system 100 may further include a seventh locking structure 137 , and the seventh locking structure 137 may be disposed in the first reducer 1213 and / or in the second reducer 1223 .

[0049] In some embodiments, Figure 4 As shown, the drive system 100 may further include a fifth gear 140, the input end of the fifth gear 140 is connected to the motor 110, and at the same time, the transmission structure includes a first transmission structure 121 and a second transmission structure 122, the input end of the first transmission structure 121 is connected to the first output end of the fifth gear 140, the input end of the second transmission structure 122 is connected to the second output end of the fifth gear 140, and the output end of the first transmission structure 121 and the output end of the second transmission structure 122 are both used to connect to the wheel 210, thereby further reducing the number of output ends of the motor 110.

[0050] Furthermore, in the above embodiment, if Figure 4 As shown, the first transmission structure 121 may include a third reducer 1214, and the second transmission structure 122 includes a fourth reducer 1224, thereby increasing the torque of the motor 110 and improving the load capacity of the motor 110; at the same time, the drive system 100 may also include an eighth locking structure 138, wherein the eighth locking structure 138 is arranged between the third reducer 1214 and the wheel 210, and / or arranged between the fourth reducer 1224 and the wheel 210, so as to achieve the purpose of driving the specific wheel 210 to rotate by locking or disengaging the locking structure, thereby meeting the requirements of high torque or high speed when the whole vehicle is in use.

[0051] Furthermore, in the above embodiment, if Figure 4 As shown, the drive system 100 may further include at least one ninth locking structure 139 , and the at least one ninth locking structure 139 is disposed in the third reducer 1214 and / or in the fourth reducer 1224 .

[0052] In some embodiments, Figure 5As shown, the drive system 100 may include a motor 110, a gear structure 150 and a transmission structure 120, wherein the input end of the gear structure 150 is connected to the motor 110, the first output end of the gear structure 150 is used to connect to the wheel 210, and at the same time, the input end of the transmission structure 120 is connected to the second output end of the gear structure 150, and the output end of the transmission structure is used to connect to the wheel 210. At the same time, the wheel 210 connected to the first output end of the gear structure 150 and the wheel 210 connected to the output end of the transmission structure 120 are located on the same side of the vehicle along the traveling direction, so that It can achieve the purpose of one motor 110 controlling different wheels 210 on the same side, thereby not only making the vehicle body more stable when turning, but also when the wheel 210 on one side slips, the wheel 210 on the other side can output torque normally to achieve the purpose of getting the vehicle out of trouble; in addition, different motors 110 can be used to control the wheels 210 on both sides to rotate forward and reverse respectively, so as to achieve the function of turning the vehicle around like a tank, and at the same time, it can further reduce the components in the drive system 100, so as to simplify the complexity of the whole vehicle control and further reduce the manufacturing cost of the whole vehicle.

[0053] The present application also provides a mobile device 200, such as Figure 6 As shown, the motorized device 200 includes the drive system 100 mentioned in any of the above embodiments. It should be noted that the number of motors 110 is not limited in this embodiment, for example, it can be 1, 2 or more, and the specific number of motors 110 can be adjusted according to actual conditions.

[0054] It can be understood that the motorized device 200 provided in this embodiment can be a motor vehicle such as a pickup truck or a car, or a truck with multiple wheels 210. That is, as long as it includes the drive system 100 mentioned above, it can be included in the scope of protection of this application.

[0055] In the above embodiments, the description of each embodiment has its own emphasis. For parts that are not described in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0056] In the description of this application, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more features.

[0057] The drive system and motorized equipment provided in the embodiments of the present application are introduced in detail above. Specific examples are used herein to illustrate the principles and implementation methods of the present application. The description of the above embodiments is only used to help understand the method of the present application and its core idea. At the same time, for technicians in this field, according to the ideas of the present application, there will be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as a limitation on the present application.

Claims

1. A drive system, characterized in that: include: Motor; At least two transmission structures, at least two of the input ends of the transmission structures are connected to the motor, and the output end of each of the transmission structures is used to connect to different wheels on the same side of the vehicle along the direction of travel; wherein the motor can drive the transmission structure to drive the wheels to rotate.

2. The drive system according to claim 1, characterized in that: The transmission structure includes a first transmission structure and a second transmission structure, the first transmission structure includes a first gear and a second gear, and the second transmission structure includes a third gear and a fourth gear; wherein the first gear and the third gear are both connected to the motor, the input end of the second gear is connected to the first gear, the input end of the fourth gear is connected to the third gear, and the output ends of the second gear and the fourth gear are both used to connect to wheels.

3. The drive system according to claim 2, characterized in that: The first transmission structure further includes a first reducer, an input end of the first reducer is connected to an output end of the second gear, and an output end of the first reducer is connected to a wheel; and / or The second transmission structure further includes a second reducer, an input end of the second reducer is connected to an output end of the fourth gear, and an output end of the second reducer is connected to a wheel.

4. The drive system according to claim 3, characterized in that: The drive system comprises a first locking structure, a second locking structure and a third locking structure, wherein the first locking structure is arranged between the motor and the first gear, the second locking structure is arranged between the second gear and the first reducer, and the third locking structure is arranged between the first reducer and the wheel; and / or The drive system includes a fourth locking structure, a fifth locking structure and a sixth locking structure. The fourth locking structure is arranged between the motor and the third gear, the fifth locking structure is arranged between the fourth gear and the second reducer, and the sixth locking structure is arranged between the second reducer and the wheel.

5. The drive system according to claim 3, characterized in that: The driving system further includes a seventh locking structure, and the seventh locking structure is disposed in the first reducer and / or in the second reducer.

6. The drive system according to claim 1, characterized in that: The drive system also includes a fifth gear, an input end of the fifth gear is connected to the motor, the transmission structure includes a first transmission structure and a second transmission structure, the input end of the first transmission structure is connected to the first output end of the fifth gear, the input end of the second transmission structure is connected to the second output end of the fifth gear, and the output ends of the first transmission structure and the second transmission structure are both used to connect to wheels.

7. The drive system according to claim 6, characterized in that: The first transmission structure includes a third reducer, the second transmission structure includes a fourth reducer, and the drive system also includes an eighth locking structure, which is arranged between the third reducer and the wheel, and / or between the fourth reducer and the wheel.

8. The drive system according to claim 7, characterized in that: The drive system further includes at least one ninth locking structure, and at least one ninth locking structure is disposed in the third reducer and / or in the fourth reducer.

9. A drive system, characterized in that: include: Motor; A gear structure, wherein an input end of the gear structure is connected to the motor, and a first output end of the gear structure is used to connect to a wheel; A transmission structure, wherein the input end of the transmission structure is connected to the second output end of the gear structure, and the output end of the transmission structure is used to connect to a wheel; wherein the wheel connected to the first output end of the gear structure and the wheel connected to the output end of the transmission structure are located on the same side of the vehicle along the direction of travel.

10. A mobile equipment, characterized in that: Comprising a drive system as described in any one of claims 1-9.