CN108454757B - Four-wheel-drive children electric baby carrier with clutch - Google Patents
Four-wheel-drive children electric baby carrier with clutch Download PDFInfo
- Publication number
- CN108454757B CN108454757B CN201810578914.4A CN201810578914A CN108454757B CN 108454757 B CN108454757 B CN 108454757B CN 201810578914 A CN201810578914 A CN 201810578914A CN 108454757 B CN108454757 B CN 108454757B
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- China
- Prior art keywords
- front wheel
- wheel
- motor
- clutch
- clutch motor
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K9/00—Children's cycles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K1/02—Arrangement or mounting of electrical propulsion units comprising more than one electric motor
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
Abstract
The invention discloses a four-wheel-drive children electric baby carriage with clutch, which comprises a frame, a front wheel assembly, a rear wheel assembly, a driving mechanism and a steering mechanism for controlling the steering of the electric baby carriage, wherein the steering mechanism is connected with the front wheel assembly, the driving mechanism comprises a clutch motor and a driving motor, the clutch motor is used for driving the front wheel assembly to rotate, and the driving motor is used for driving the rear wheel assembly to rotate. The front wheel assembly is driven by the clutch motor with the clutch function, and in the normal running process, the front wheel assembly runs along with the speed of the rear wheel assembly, when the front wheel assembly encounters an overload, a climbing or an obstacle, the clutch motor is combined to drive the front wheel assembly to intervene, so that the electric baby carrier normally runs or is forced to pass the climbing and the obstacle; when steering, the clutch motor is in a complete separation state or a half separation state, so that the sideslip phenomenon generated during steering is well solved, and the turning is smoother.
Description
[ field of technology ]
The invention relates to the technical field of children electric vehicles, in particular to a four-wheel-drive children electric baby carrier with clutch.
[ background Art ]
The electric baby carrier is a novel toy for children, which can be driven by a motor and operated safely. There are many four-wheel drive strollers on the market, but there are many problems, the main ones are as follows:
(1) The motors used for the four driving wheels of many four-wheel-drive strollers are of the same type and speed. Therefore, the serious differential ratio problem can cause the difference of the speeds of the front and rear wheels after the vehicle is loaded or when the vehicle turns, and the vehicle can not normally run, so that the condition that the speed of the vehicle is unstable (particularly when the vehicle climbs a slope) during running and the condition that the vehicle sideslips and turns are unsmooth during turning are caused;
(2) Some four-wheel-drive strollers can use motors with different types (generally, the front is small and the rear is big) in front and back when the motor is selected, and the design only weakens the unstable speed condition of the strollers in the running process and the sideslip condition of the strollers in the turning process, so that the problem of differential speed ratio is not fundamentally solved;
(3) Even some alternatives have been to install a differential to reduce the differential ratio, but such designs have resulted in increased costs.
In order to solve the problem of the differential speed ratio of the four-wheel drive children's vehicle, and improve the stability and smoothness of the four-wheel drive children's vehicle in the driving process, it is necessary to provide a four-wheel drive children's electric children's vehicle with clutch.
[ invention ]
The invention aims to overcome the defects of the prior art, and provides a four-wheel-drive children electric baby carrier with clutch, which aims to solve the technical problems of low stability and smoothness in the operation process of the four-wheel-drive baby carrier in the prior art.
In order to achieve the above purpose, the invention provides a four-wheel-drive children electric baby carriage with clutch, which comprises a frame, a front wheel assembly, a rear wheel assembly, a driving mechanism and a steering mechanism, wherein the front wheel assembly and the rear wheel assembly are arranged at the bottom of the frame, the steering mechanism is used for controlling the steering of the electric baby carriage, the front wheel assembly comprises a left front wheel and a right front wheel which are respectively arranged at the left side and the right side of the front part of the frame, the rear wheel assembly comprises a left rear wheel and a right rear wheel which are respectively arranged at the left side and the right side of the rear part of the frame, the steering mechanism is connected with the front wheel assembly, the driving mechanism comprises a clutch motor and a driving motor, the clutch motor is used for driving the front wheel assembly to rotate, and the driving motor is used for driving the rear wheel assembly to rotate.
Preferably, the rated rotation speed of the clutch motor is lower than the rated rotation speed of the driving motor, the clutch motor is in a completely separated state in the normal running process without turning, and the clutch motor is in a completely combined state when the rotation speed of the rear wheel assembly is lower than the rated rotation speed of the front wheel assembly; during turning, the clutch motor is in a completely separated state, or when the electric baby carriage turns right, the clutch motor is in a right-side treatment separated state, and when the electric baby carriage turns left, the clutch motor is in a left-side treatment separated state.
Preferably, the clutch motor is a motor with a clutch function.
Preferably, the steering mechanism comprises a direction control assembly rotatably connected to the frame and a linkage mechanism connected to the direction control assembly, the linkage mechanism comprises a left front wheel support and a right front wheel support rotatably connected to the left side and the right side of the front part of the frame, connecting rods rotatably connected to the left front wheel support and the right front wheel support are respectively arranged at two ends of the connecting rods, guide posts are arranged on the connecting rods, the left front wheel is rotatably mounted on the left front wheel support through bearings, the right front wheel is rotatably mounted on the right front wheel support through bearings, the direction control assembly comprises a steering wheel, a deflector rod fixedly connected to the lower part of the steering wheel and a sliding sheet arranged at the bottom of the deflector rod, the deflector rod is rotatably arranged on a sleeve arranged at the front part of the frame in a penetrating manner, the sliding sheet at the bottom of the deflector rod is provided with guide grooves along the front and rear directions, the guide grooves are in sliding fit with the guide posts on the connecting rods, the clutch motor is fixedly mounted on the connecting rods, and the left output end and the right front wheel of the clutch motor are connected with the left front wheel and the right front wheel through a connecting shaft and a transmission shaft.
Preferably, the driving motor is arranged at the tail part of the frame, and an output shaft of the driving motor is in transmission connection with the left rear wheel and the right rear wheel of the rear wheel assembly through a transmission mechanism.
Preferably, the transmission mechanism is composed of a small belt wheel arranged on an output shaft of the driving motor, a rotating shaft for connecting the left rear wheel and the right rear wheel, a large belt wheel arranged on the rotating shaft, and a transmission belt for connecting the small belt wheel and the large belt wheel.
Preferably, the frame is also provided with a controller with an infrared receiver and a foot switch for starting the clutch motor and the driving motor, the steering mechanism is provided with a steering sensor, the frame is provided with a rotating speed sensor for respectively sensing the rotating speeds of the left front wheel, the right front wheel and the rear wheel assembly, and the foot switch, the clutch motor, the driving motor, the steering sensor and each rotating speed sensor are electrically connected with the controller.
Preferably, the automatic parking control device further comprises a remote controller, wherein the remote controller is in communication connection with the controller, an emergency parking button is arranged on the controller, and when the emergency parking button is pressed, the foot switch function is disabled.
Preferably, a child seat fixing frame is arranged at the upper part of the frame.
The invention has the beneficial effects that: compared with the prior art, the four-wheel-drive children electric baby carrier with the clutch is reasonable in structure, the front wheel assembly is driven by the clutch motor with the clutch function, and in the normal running process, the clutch motor is in a completely separated state, the front wheel assembly runs along with the speed of the rear wheel assembly, when the motor runs along with overload and climbs a slope or an obstacle, the rotating speed of the rear wheel assembly is lower than the rated rotating speed of the front wheel assembly, and at the moment, the clutch motor is combined to drive the front wheel assembly to intervene, so that the children electric baby carrier normally runs or is forced to pass the climbing and the obstacle; when steering, the clutch motor is in a complete separation state or a half separation state, so that the sideslip phenomenon generated when the four-wheel drive vehicle turns is well solved, and the turning is smoother.
The features and advantages of the present invention will be described in detail by way of example with reference to the accompanying drawings.
[ description of the drawings ]
FIG. 1 is a top view of a clutched four-wheel drive child electric stroller according to an embodiment of the present invention;
FIG. 2 is a bottom view of a clutched four-wheel drive child electric stroller according to an embodiment of the present invention;
FIG. 3 is a schematic illustration of the coupling of a clutch motor to a front wheel assembly in accordance with an embodiment of the present invention.
[ detailed description ] of the invention
The present invention will be further described in detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the detailed description and specific examples, while indicating the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present invention.
Referring to fig. 1 to 3, an embodiment of the present invention provides a four-wheel-drive child electric stroller with clutch, which comprises a frame 1, a front wheel assembly 2 and a rear wheel assembly 3 disposed at the bottom of the frame 1, a driving mechanism, and a steering mechanism 4 for controlling the steering of the child electric stroller, wherein the front wheel assembly 2 comprises a left front wheel 21 and a right front wheel 22 disposed at the left and right sides of the front part of the frame 1, the rear wheel assembly 3 comprises a left rear wheel 31 and a right rear wheel 32 disposed at the left and right sides of the rear part of the frame 1, the steering mechanism 4 is connected with the front wheel assembly 2, the driving mechanism comprises a clutch motor 5 and a driving motor 6, the clutch motor 5 is used for driving the front wheel assembly 2 to rotate, and the driving motor 6 is used for driving the rear wheel assembly 3 to rotate.
Further, the rated rotation speed of the clutch motor 5 is lower than the rated rotation speed of the driving motor 6, the clutch motor 5 is in a completely separated state in the normal running process without turning, and the clutch motor 5 is in a completely combined state when the rotation speed of the rear wheel assembly 3 is lower than the rated rotation speed of the front wheel assembly 2; during cornering, the clutch motor 5 is in a completely disengaged state, or when the electric stroller turns right, the clutch motor 5 is in a disengaged state, and when the electric stroller turns left, the clutch motor 5 is in a disengaged state.
Further, the clutch motor 5 is a motor with a clutch function.
Further, the steering mechanism 4 includes a steering assembly 41 rotatably connected to the frame 1, a linkage mechanism 42 connected to the steering assembly 41, the linkage mechanism 42 includes a left front wheel support 421 and a right front wheel support 422 rotatably connected to the left and right sides of the front part of the frame 1, a link 423 rotatably connected to the left front wheel support 421 and the right front wheel support 422 at both ends, a guide post 424 is provided on the link 423, the left front wheel 21 is rotatably mounted on the left front wheel support 421 through a bearing 211, the right front wheel 22 is rotatably mounted on the right front wheel support 422 through a bearing 221, the steering assembly 41 includes a steering wheel 411, a shift lever 412 fixedly connected to the lower part of the steering wheel, a slide sheet 413 disposed at the bottom of the shift lever 412, the shift lever 412 rotatably passes through a sleeve 11 disposed at the front part of the frame 1, a guide groove 414 is provided on the slide sheet 413 at the bottom of the shift lever 412 in the front-rear direction, the guide groove 414 is mounted on the motor 423, and the left and right front wheel support 423 is fixedly connected to the clutch shaft 423 through the clutch shaft 5.
Further, the driving motor 6 is mounted at the tail of the frame 1, and an output shaft of the driving motor 6 is in transmission connection with a left rear wheel 31 and a right rear wheel 32 of the rear wheel assembly 3 through a transmission mechanism.
Further, the transmission mechanism is composed of a small pulley 61 mounted on the output shaft of the drive motor 6, a rotary shaft 62 connecting the left rear wheel 31 and the right rear wheel 32, a large pulley 63 mounted on the rotary shaft 62, and a transmission belt 64 connecting the small pulley 61 and the large pulley 63.
Further, the frame 1 is also provided with a controller 9 with an infrared receiver and a foot switch 7 for starting the clutch motor 5 and the driving motor 6, the steering mechanism 4 is provided with a steering sensor, the frame 1 is provided with a rotating speed sensor for respectively sensing the rotating speeds of the left front wheel 21, the right front wheel 22 and the rear wheel assembly 3, and the foot switch 7, the clutch motor 5, the driving motor 6, the steering sensor and each rotating speed sensor are electrically connected with the controller 9.
In the embodiment of the invention, the steering sensor can sense whether the steering mechanism 4 steers or not, if a steering signal is sensed, an electric signal is sent to the controller 9, and the controller 9 controls the clutch motor 5 to enter a separation state or the steering side is in a separation state. The rotation speed sensor for sensing the rotation speed of the left front wheel 21 and the right front wheel 22 plays a standby role, the rotation speed sensor can play a role in detecting the speed under the condition that the steering sensor fails, and the controller 9 analyzes the rotation speed ratio of the left front wheel 21 and the right front wheel 22 to judge whether the steering sensor is left-turning or right-turning.
Still further still include remote controller 8, remote controller 8 and controller 9 communication connection, controller 9 on be provided with emergency stop button, when pressing emergency stop button, foot switch 7 function failure, the upper portion of frame 1 be provided with children's seat mount 12.
The working process of the invention comprises the following steps:
the four-wheel-drive children electric baby carrier with the clutch is reasonable in structure, the front wheel assembly 2 is driven by the clutch motor 5 with the clutch function, and in the normal running process, the front wheel assembly 2 runs along with the speed of the rear wheel assembly 3 due to the fact that the clutch motor 5 is in a completely separated state, when the motor meets overload and climbs a slope or an obstacle, the rotating speed of the rear wheel assembly 3 is lower than the rated rotating speed of the front wheel assembly 2, at the moment, the clutch motor 5 is combined to drive the front wheel assembly 2 to intervene, so that the electric baby carrier normally runs or is forced to pass the climbing and the obstacle; when steering, the clutch motor 5 is in a complete separation state or a half separation state, so that the sideslip phenomenon generated when the four-wheel drive vehicle turns is well solved, and the turning is smoother.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, or alternatives falling within the spirit and principles of the invention.
Claims (6)
1. The utility model provides a take four-wheel drive children's electric baby carrier of separation and reunion, includes frame (1), sets up preceding wheel subassembly (2) and rear wheel subassembly (3) of frame (1) bottom, actuating mechanism, be used for controlling steering mechanism (4) that electric baby carrier turned to, preceding wheel subassembly (2) including setting up respectively left front wheel (21) and right front wheel (22) of frame (1) anterior left and right both sides, rear wheel subassembly (3) including setting up respectively left rear wheel (31) and right rear wheel (32) of frame (1) rear portion left and right both sides, steering mechanism (4) with preceding wheel subassembly (2) be connected, its characterized in that: the driving mechanism comprises a clutch motor (5) and a driving motor (6), the clutch motor (5) is used for driving the front wheel assembly (2) to rotate, the driving motor (6) is used for driving the rear wheel assembly (3) to rotate, the rated rotation speed of the clutch motor (5) is lower than the rated rotation speed of the driving motor (6), the clutch motor (5) is in a complete separation state in the normal driving process without turning, and the clutch motor (5) is in a complete combination state when the rotation speed of the rear wheel assembly (3) is lower than the rated rotation speed of the front wheel assembly (2); in the process of turning, the clutch motor (5) is in a complete separation state, or when the electric baby carriage turns right, the separation state is processed on the right side of the clutch motor (5), when the electric baby carriage turns left, the separation state is processed on the left side of the clutch motor (5), the clutch motor (5) select to use the motor with the clutch function, the frame (1) on still install the controller (9) that have the infrared receiver and be used for starting the pedal switch (7) of clutch motor (5) and driving motor (6), steering mechanism (4) be provided with steering sensor, frame (1) on be provided with the rotational speed inductor of response left front wheel (21), right front wheel (22) and rear wheel subassembly (3) rotational speed respectively, pedal switch (7), clutch motor (5), driving motor (6), steering sensor and every rotational speed inductor all with controller (9) electric connection.
2. A clutched four-wheel drive child electric stroller according to claim 1, wherein: the steering mechanism (4) comprises a direction control component (41) rotatably connected to the frame (1), a linkage mechanism (42) connected with the direction control component (41), the linkage mechanism (42) comprises a left front wheel bracket (421) and a right front wheel bracket (422) rotatably connected to the left and right sides of the front part of the frame (1), a connecting rod (423) with two ends rotatably connected with the left front wheel bracket (421) and the right front wheel bracket (422) respectively, a guide post (424) is arranged on the connecting rod (423), the left front wheel (21) can be rotatably arranged on the left front wheel bracket (421) through a bearing I (211), the right front wheel (22) can be rotatably arranged on the right front wheel bracket (422) through a bearing II (221), the direction control component (41) comprises a steering wheel (411), a shifting rod (412) fixedly connected with the lower part of the steering wheel, a sliding piece (413) arranged at the bottom of the shifting rod (412), the left front wheel (21) can be rotatably arranged on the left front wheel bracket (421) through a bearing I (211), the sliding piece (414) is matched with the guide post (414) at the bottom part (414) of the front wheel bracket (414), the clutch motor (5) is fixedly arranged on the connecting rod (423), and the left output end and the right output end of the clutch motor (5) are respectively connected with the left front wheel (21) and the right front wheel (22) in a transmission way through a connecting shaft (51).
3. A clutched four-wheel drive child electric stroller according to claim 1, wherein: the driving motor (6) is arranged at the tail part of the frame (1), and an output shaft of the driving motor (6) is in transmission connection with a left rear wheel (31) and a right rear wheel (32) of the rear wheel assembly (3) through a transmission mechanism.
4. A clutched four-wheel drive child electric stroller according to claim 3, wherein: the transmission mechanism consists of a small belt wheel (61) arranged on the output shaft of the driving motor (6), a rotating shaft (62) connected with the left rear wheel (31) and the right rear wheel (32), a large belt wheel (63) arranged on the rotating shaft (62), and a transmission belt (64) connected with the small belt wheel (61) and the large belt wheel (63).
5. A clutched four-wheel drive child electric stroller according to claim 1, wherein: the automatic parking control device is characterized by further comprising a remote controller (8), wherein the remote controller (8) is in communication connection with the controller (9), an emergency parking button is arranged on the controller (9), and when the emergency parking button is pressed, the function of the foot switch (7) is disabled.
6. A clutched four-wheel drive child electric stroller according to claim 1, wherein: the upper part of the frame (1) is provided with a child seat fixing frame (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810578914.4A CN108454757B (en) | 2018-06-07 | 2018-06-07 | Four-wheel-drive children electric baby carrier with clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810578914.4A CN108454757B (en) | 2018-06-07 | 2018-06-07 | Four-wheel-drive children electric baby carrier with clutch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108454757A CN108454757A (en) | 2018-08-28 |
| CN108454757B true CN108454757B (en) | 2023-08-15 |
Family
ID=63214850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810578914.4A Active CN108454757B (en) | 2018-06-07 | 2018-06-07 | Four-wheel-drive children electric baby carrier with clutch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108454757B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0993714A (en) * | 1995-09-20 | 1997-04-04 | Mitsubishi Motors Corp | Driver for electric vehicle |
| CN1491829A (en) * | 2002-09-03 | 2004-04-28 | �ղ��Զ�����ʽ���� | Vehicle driving and control device |
| JP2004350462A (en) * | 2003-05-26 | 2004-12-09 | Nissan Motor Co Ltd | Right- and left-wheel driving gear for vehicle |
| CN1642607A (en) * | 2002-04-18 | 2005-07-20 | 科乐美股份有限公司 | Car model |
| DE102005026874A1 (en) * | 2005-06-10 | 2006-12-14 | Volkswagen Ag | Vehicle e.g. off-road vehicle, driving device, has coupling device producing coupling between electric motors, so that drive torque of electrical driving device is directed to one of drive wheels, while other is decouplable from device |
| JP2011084223A (en) * | 2009-10-16 | 2011-04-28 | Toyota Motor Corp | Clutch control device in right and left independent drive vehicle |
| DE102010045502A1 (en) * | 2010-09-15 | 2012-03-15 | Audi Ag | Drive device for driving wheels of all-wheel-driven motor car e.g. electric car, has clutches arranged between differential gear or deflection gear and electrical machines that are driven independent of each other |
| WO2013151104A1 (en) * | 2012-04-06 | 2013-10-10 | 日産自動車株式会社 | Hybrid vehicle control apparatus |
-
2018
- 2018-06-07 CN CN201810578914.4A patent/CN108454757B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0993714A (en) * | 1995-09-20 | 1997-04-04 | Mitsubishi Motors Corp | Driver for electric vehicle |
| CN1642607A (en) * | 2002-04-18 | 2005-07-20 | 科乐美股份有限公司 | Car model |
| CN1491829A (en) * | 2002-09-03 | 2004-04-28 | �ղ��Զ�����ʽ���� | Vehicle driving and control device |
| JP2004350462A (en) * | 2003-05-26 | 2004-12-09 | Nissan Motor Co Ltd | Right- and left-wheel driving gear for vehicle |
| DE102005026874A1 (en) * | 2005-06-10 | 2006-12-14 | Volkswagen Ag | Vehicle e.g. off-road vehicle, driving device, has coupling device producing coupling between electric motors, so that drive torque of electrical driving device is directed to one of drive wheels, while other is decouplable from device |
| JP2011084223A (en) * | 2009-10-16 | 2011-04-28 | Toyota Motor Corp | Clutch control device in right and left independent drive vehicle |
| DE102010045502A1 (en) * | 2010-09-15 | 2012-03-15 | Audi Ag | Drive device for driving wheels of all-wheel-driven motor car e.g. electric car, has clutches arranged between differential gear or deflection gear and electrical machines that are driven independent of each other |
| WO2013151104A1 (en) * | 2012-04-06 | 2013-10-10 | 日産自動車株式会社 | Hybrid vehicle control apparatus |
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| Publication number | Publication date |
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| CN108454757A (en) | 2018-08-28 |
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