CN210455084U - Steering clutch structure for baby carriage - Google Patents

Steering clutch structure for baby carriage Download PDF

Info

Publication number
CN210455084U
CN210455084U CN201921407677.1U CN201921407677U CN210455084U CN 210455084 U CN210455084 U CN 210455084U CN 201921407677 U CN201921407677 U CN 201921407677U CN 210455084 U CN210455084 U CN 210455084U
Authority
CN
China
Prior art keywords
disc
steering
force application
control rod
steering control
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
Application number
CN201921407677.1U
Other languages
Chinese (zh)
Inventor
胡恒谦
陆利平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Jiajia Ride On Co ltd
Tsinghua University
Original Assignee
Zhejiang Jiajia Ride On Co ltd
Tsinghua University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhejiang Jiajia Ride On Co ltd, Tsinghua University filed Critical Zhejiang Jiajia Ride On Co ltd
Priority to CN201921407677.1U priority Critical patent/CN210455084U/en
Application granted granted Critical
Publication of CN210455084U publication Critical patent/CN210455084U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Toys (AREA)

Abstract

The utility model discloses a turn to separation and reunion structure for bassinet relates to the bassinet, aims at solving the steering control right that the head of a family can't directly take over the bassinet fast, has certain potential safety hazard, and its technical scheme main points are: a steering clutch structure for a baby carrier comprises a steering control rod, a steering motor and a clutch assembly, wherein the steering control rod is rotatably connected to the body of the baby carrier, the top end of the steering control rod is connected with a steering wheel, and the bottom end of the steering control rod is connected with a front wheel control structure of the baby carrier; the steering motor is connected with a speed reducer, and the speed reducer is fixedly arranged on the body of the baby carrier; the clutch assembly comprises a stress disc fixed on the steering control rod, a force application disc fixedly arranged on the output part of the speed reducer and an engagement flap used for controlling the connection and the separation of the stress disc and the force application disc. The utility model discloses a turn to separation and reunion structure for bassinet has the head of a family and intervenes control effectively in time to reduce the technical advantage of potential safety hazard more.

Description

Steering clutch structure for baby carriage
Technical Field
The present invention relates to strollers, and more particularly, to a steering clutch structure for a stroller.
Background
The baby carriage is a toy vehicle specially used for children to ride, and the direction control of the baby carriage in the prior art generally comprises the following two types: 1. the children control the driving direction of the baby carrier through a steering wheel; 2. the parent controls the driving direction of the baby carriage through the remote controller.
Chinese patent publication No. CN207403864U discloses a steering wheel steering clutch for a baby carriage and the baby carriage, which has the technical points that: including driving mount pad, first pivot and the separation and reunion stopper that the directive wheel turned to, the one end of first pivot is located the mount pad, and first pivot drives the mount pad and rotates, separation and reunion stopper and mount pad sliding connection, and the separation and reunion stopper is through the slip with first pivot locking on the mount pad.
According to the technical scheme, the driving direction of the baby carrier can be controlled by children and the driving direction of the baby carrier can be controlled by parents, however, when the parents need to take over the control right, the parents need to operate the clutch plug firstly, the control right of the baby carrier cannot be taken over directly and quickly, and certain potential safety hazards exist; therefore, a new solution is needed to solve this problem.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a turn to separation and reunion structure for bassinet has the head of a family and intervenes the technical advantage that control effectively reduced the potential safety hazard more in time.
The above technical purpose of the present invention can be achieved by the following technical solutions: a steering clutch structure for a baby carrier comprises a steering control rod, a steering motor and a clutch assembly, wherein the steering control rod is rotatably connected to the body of the baby carrier, the top end of the steering control rod is connected with a steering wheel, and the bottom end of the steering control rod is connected with a front wheel control structure of the baby carrier; the steering motor is connected with a speed reducer, and the speed reducer is fixedly arranged on the body of the baby carrier; the clutch assembly comprises a stress disc fixed on the steering control rod, a force application disc fixedly arranged on the output part of the speed reducer and an engagement flap used for controlling the connection and the separation of the stress disc and the force application disc.
By adopting the technical scheme, the utility model discloses under normal condition, the interlock lamella separates in the atress dish, and children can control the direction of travel of bassinet through the steering wheel at steering control lever top, simultaneously, because steering motor, reduction gear and application of force dish three do not have torsion connection with steering control lever under this state, therefore children only need to overcome the frictional force of bassinet front wheel and ground when controlling the bassinet and turn to, reach the more laborsaving technological effect of control bassinet and turn to; when a housekeeper needs to intervene in controlling the driving direction of the baby carriage, the remote controller controls a steering motor to output torque force through a speed reducer to drive a force application disc to rotate, the force application disc firstly pushes an occlusion flap to be connected with a stress disc in the rotating process, and the occlusion flap drives the stress disc and a steering control rod to synchronously rotate in the process of continuously applying the torque force, so that the steering of the baby carriage is controlled; when the parents stop controlling the baby carriage, the child can obtain the control right of the driving direction of the baby carriage again because the biting flap loses the thrust and is separated from the stressed disc; to sum up, the utility model discloses a set up can with the clutch module who turns to the motor linkage, realize turning to the motor and connecting steering control pole at output torsion's in-process to the head of a family can in time intervene and take over the steering control right of bassinet, compares in the technical scheme that the comparison file provided, has the technical advantage that control effectively reduces the potential safety hazard more in time.
The utility model discloses further set up to: the speed reducer comprises a shell, an input belt wheel and an output disc, the input belt wheel is fixed with a key groove of the steering motor, the output disc is rotationally connected to the shell, and a synchronous belt is arranged between the output disc and the input belt wheel; the steering control rod gap penetrates through the centers of circles of the shell and the output disc, and the output disc and the force application disc are coaxially fixed.
By adopting the technical scheme, when the home owner controls the steering motor to start, the output shaft of the steering motor drives the input belt wheel to synchronously rotate, and the input belt wheel drives the output disc to rotate after being transmitted by the synchronous belt, so that the torque force is generated on the force application disc, and the technical requirement that the steering motor applies the torque force to the force application disc through the speed reducer is further met; it should be noted here that the steering control rod gap passes through the center of the circle of the housing and the output disc, so as to avoid the influence of the reducer and the steering motor on the rotation capacity of the steering control rod.
The utility model discloses further set up to: the lower surface of the output disc and the upper surface of the force application disc are both provided with flower-shaped sleeves, and the flower-shaped sleeves are mutually sleeved.
Through adopting above-mentioned technical scheme, output dish and application of force dish utilize the interconnect of two flower shape covers to realize coaxial fixed, effectively prevent that output dish and application of force dish from taking place the phenomenon of skidding.
The utility model discloses further set up to: the stress disc is cylindrical with an opening at the upper end, the occlusion flap is provided with an arc-shaped surface, and the arc-shaped surface is always tangent to the inner circumferential surface of the stress disc.
By adopting the technical scheme, the stress disc is designed into a cylindrical shape and is used for accommodating the occlusal valve, so that the stability of the occlusal valve is improved; the occlusion flap is tangent to the inner circumferential surface of the stress disc by an arc-shaped surface, so that the occlusion flap is prevented from interfering the relative rotation capacity of the stress disc.
The utility model discloses further set up to: the flower groove disc is coaxially fixed to the circle center of the inner cavity of the stress disc, four embedded grooves are formed in the flower groove disc at equal angles along the direction of an outer track, the meshing valve is provided with an arc-shaped plate, and at least two embedded blocks capable of being embedded into the corresponding embedded grooves are arranged on the inner arc surface of the arc-shaped plate.
By adopting the technical scheme, when the steering motor pushes the meshing flap to swing through the speed reducer and the force application disc, the embedding block of the meshing flap is embedded into the corresponding embedding groove of the grooved disc, so that the technical requirement of connecting the force application disc and the force application disc through the meshing flap in a torsion manner is met; meanwhile, the number of the embedded blocks is limited to more than two, so that the technical effect that the steering motor can control the stressed disc to rotate towards two directions is achieved.
The utility model discloses further set up to: the specific number of the occlusion petals is two, the occlusion petals are symmetrically arranged, and an elastic piece is arranged between the two occlusion petals.
By adopting the technical scheme, the number of the meshing petals is limited to two, so that when the steering motor outputs torque, the embedded blocks of the two meshing petals are simultaneously embedded into the two opposite embedded grooves of the slotted disc, and the torque connection strength of the force application disc and the stressed disc after passing through the meshing petals is further improved; an elastic part is arranged between the two biting petals, and the elastic potential energy of the elastic part is utilized to push the two biting petals so as to ensure the two biting petals to reset in time, thereby improving the separation speed of the force application disc and the stressed disc.
The utility model discloses further set up to: two interlock lamella up end all is provided with arc atress platform, application of force dish lower surface symmetry is provided with two application of force cylinders, application of force cylinder butt all the time in the cambered surface of arc atress platform.
By adopting the technical scheme, the occlusion flap is abutted against the force application cylinder of the force application disc through the arc surface of the arc force application platform, so that the technical effects that when the force application disc rotates in two directions, the occlusion flap can be pushed to swing in two directions, and torsion force is generated to drive the force application disc to rotate are achieved.
To sum up, the utility model discloses following beneficial effect has: the clutch assembly capable of being linked with the steering motor is arranged, so that the steering motor is connected with the steering control rod in the process of outputting the torque force, parents can timely intervene and take over the steering control right of the baby carrier, and compared with the technical scheme provided by a comparison document, the technical advantage that potential safety hazards are timely and effectively reduced in control is achieved; the gap between the steering control rod passes through the centers of the shell and the output disc, so that the influence of a speed reducer and a steering motor on the rotation capacity of the steering control rod is avoided; the output disc and the force application disc are coaxially fixed by utilizing the mutual connection of the two flower-shaped sleeves, so that the slipping phenomenon of the output disc and the force application disc is effectively prevented; the stress disc is designed to be cylindrical and used for accommodating the occlusal valve, so that the stability of the occlusal valve is improved; the occlusion flap is tangent to the inner circumferential surface of the stress disc by an arc-shaped surface, so that the occlusion flap is prevented from interfering the relative rotation capacity of the stress disc; the embedding block of the occluding flap is embedded with the corresponding embedding groove of the grooved disc, so that the technical requirement of connecting the stressed disc and the force application disc through the occluding flap by torsion is met; the number of the embedded blocks is limited to more than two, so that the technical effect that the steering motor can control the stressed disc to rotate towards two directions is achieved; the number of the occluding petals is limited to two, so that the torsional connection strength of the force application disc and the stressed disc after the force application disc passes through the occluding petals is improved; an elastic part is arranged between the two occlusion petals, and the two occlusion petals are pushed by the elastic potential energy of the elastic part to ensure the two occlusion petals to reset in time, so that the separation speed of the force application disk and the force bearing disk is improved; the biting flap is abutted against the force application cylinder of the force application disc through the arc surface of the arc force application table, so that the technical effects that when the force application disc rotates in two directions, the biting flap can be pushed to swing in two directions, and torsion is generated to drive the force application disc to rotate are achieved.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic structural view of the clutch assembly of the present invention;
FIG. 3 is an exploded view of the reducer of the present invention;
FIG. 4 is an exploded view of the clutch assembly and speed reducer of the present invention;
FIG. 5 is a schematic structural view of the clutch assembly with the force application plate hidden;
fig. 6 is a horizontal cut-away view of the clutch assembly of the present invention;
fig. 7 is a horizontal sectional view of the clutch assembly according to another embodiment of the present invention.
Description of the drawings: 1. a steering control lever; 2. a steering motor; 21. a housing; 22. an input pulley; 23. an output tray; 24. a synchronous belt; 25. a flower-shaped sleeve; 31. a force-bearing plate; 32. a force application disc; 33. an occlusal flap; 34. an arc-shaped surface; 35. a fluted disc; 36. caulking grooves; 37. an arc-shaped plate; 38. embedding a block; 39. an elastic member; 40. an arc stress table; 41. a force application cylinder.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
A steering clutch structure for a baby carrier is shown in figures 1 and 2 and comprises a steering control rod 1, a steering motor 2 and a clutch assembly, wherein the steering control rod 1 is rotationally connected to the body of the baby carrier, the top end of the steering control rod is fixedly connected with a steering wheel, and the bottom end of the steering control rod is connected with a front wheel control structure of the baby carrier; the steering motor 2 is connected with a speed reducer which is fixedly arranged on the body of the baby carriage; the clutch assembly comprises a force-bearing disc 31 fixed on the steering control rod 1, a force-applying disc 32 fixedly arranged on the output part of the speed reducer, and an engaging flap 33 used for controlling the connection and the disconnection of the force-bearing disc 31 and the force-applying disc 32.
The utility model discloses under normal condition, interlock lamella 33 separates from stress disc 31, and children can control the direction of travel of bassinet through the steering wheel at steering control pole 1 top, simultaneously, because steering motor 2, reduction gear and application of force dish 32 three do not have torsion connection with steering control pole 1 under this state, therefore children only need to overcome the frictional force of bassinet front wheel and ground when controlling bassinet to turn to can, reach children control bassinet and turn to more laborsaving technological effect; when a housekeeper needs to intervene in controlling the driving direction of the baby carriage, the remote controller controls the steering motor 2 to output torque force through the speed reducer to drive the force application disc 32 to rotate, the force application disc 32 firstly pushes the engaging valve 33 to be connected with the stress disc 31 in the rotating process, and the engaging valve 33 drives the stress disc 31 and the steering control rod 1 to synchronously rotate in the process of continuously applying the torque force, so that the steering of the baby carriage is controlled; when the parent stops controlling the steering of the baby carriage, the child can obtain the control right of the driving direction of the baby carriage again because the biting flaps 33 lose the pushing force and are separated from the stressed disc 31; to sum up, the utility model discloses a set up can with the clutch assembly who turns to the linkage of motor 2, realize turning to motor 2 and connect steering control pole 1 at output torsion's in-process to the head of a family can in time intervene and take over the steering control right of bassinet, compares in the technical scheme that the contrast file provided, has the head of a family and intervenes the technical advantage that control effectively reduces the potential safety hazard more in time.
The specific structure of the speed reducer of the utility model is as follows, as shown in fig. 1 and fig. 3, the speed reducer comprises a shell 21, an input belt wheel 22 and an output disc 23, the input belt wheel 22 is fixed with a key groove of a steering motor 2, the output disc 23 is rotationally connected with the shell 21, a synchronous belt 24 is arranged between the output disc 23 and the input belt wheel 22, and the output disc 23 is coaxially fixed with a force application disc 32; when the parent controls the steering motor 2 to start, the output shaft of the parent drives the input belt wheel 22 to rotate synchronously, and the input belt wheel 22 drives the output disc 23 to rotate after being driven by the synchronous belt 24, so that the torsion is generated on the force application disc 32, and the technical requirement that the steering motor 2 applies the torsion to the force application disc 32 through the speed reducer is further met; it should be noted that the steering control rod 1 is arranged with a gap through the center of the housing 21 and the output disc 23, so as to avoid the influence of the reducer and the steering motor 2 on the rotation capability of the steering control rod 1.
The output disc 23 is coaxially and fixedly connected with the force application disc 32 in the following way, as shown in fig. 3 and 4, flower-shaped sleeves 25 are respectively formed on the lower surface of the output disc 23 and the upper surface of the force application disc 32 in an injection molding mode, and the two flower-shaped sleeves 25 are mutually sleeved, so that the edge tracks of the flower-shaped sleeves 25 are utilized to effectively prevent the output disc 23 and the force application disc 32 from slipping.
In order to improve the stability of the bite flap 33, as shown in fig. 5, the force receiving disc 31 is in a cylindrical shape with an open upper end, so that the bite flap 33 is accommodated by the force receiving disc 31 to improve the stability of the bite flap 33; the occlusion flap 33 is provided with an arc-shaped surface 34, the arc-shaped surface 34 is tangent to the inner circumferential surface of the stress disc 31 all the time, and the moving range of the occlusion flap 33 is limited on the premise of not influencing the relative rotation capacity of the stress disc 31, so that the stability of the occlusion flap is further improved.
The biting flap 33 is specifically connected with the stressed disc 31 in a torsional manner through the following ways, as shown in fig. 4, 5, 6 and 7, a flower trough disc 35 is coaxially fixed at the center of the inner cavity of the stressed disc 31, the flower trough disc 35 is at least provided with four embedding grooves 36 by equal-angle injection molding along the outer track direction, the biting flap 33 is provided with an arc plate 37, and the inner arc surface of the arc plate 37 is at least provided with two embedding blocks 38 capable of being embedded with the corresponding embedding grooves 36 by injection molding, wherein the specific number of the embedding grooves 36 in the embodiment is 6, so that the density of the embedding grooves 36 on the flower trough disc 35 is improved, the embedding blocks 38 of the biting flap 33 can be embedded into the corresponding embedding grooves 36 more quickly, the number of the embedding blocks 38 in the embodiment is 3, the embedding blocks 38 at both ends of the arc plate 37 are used for being embedded into the corresponding embedding grooves 36, and the embedding block 38 at the middle point is used for improving the structural strength of the biting flap 33; when the steering motor 2 pushes the meshing petals 33 to swing towards one end through the speed reducer and the force application disk 32, the embedding blocks 38 at the end of the meshing petals 33 are embedded in the corresponding embedding grooves 36 of the flower groove disk 35; when the steering motor 2 pushes the engaging flap 33 to swing towards the other end, the embedding block 38 at the other end is embedded into the other corresponding embedding groove 36 of the flower groove disc 35; in summary, under the premise that the force receiving disc 31 and the force applying disc 32 are torsionally connected through the engaging lobe 33, the technical effect that the steering motor 2 can provide torsion in two directions to the force receiving disc 31 is achieved.
The occlusal lobes 33 are reset in the following manner, as shown in fig. 4 and 5, the specific number of the occlusal lobes 33 is two, and the occlusal lobes are symmetrically arranged, an elastic member 39 is arranged between the two occlusal lobes 33, the elastic member 39 may be a compression spring, the number of the compression spring is two, and two ends of the two compression springs are respectively fixed to the two occlusal lobes 33; the number of the engaging petals 33 is limited to two, so that when the steering motor 2 outputs torque, the embedded blocks 38 of the two engaging petals 33 are simultaneously embedded into the two embedded grooves 36 opposite to the grooved disc 35, and the torque connection strength of the force application disc 32 and the stressed disc 31 after passing through the engaging petals 33 is further improved; an elastic part 39 is arranged between the two biting petals 33, and the elastic potential energy of the elastic part is used for pushing the two biting petals 33 so as to ensure the two biting petals 33 to be reset in time, thereby improving the separation speed of the force application disk 32 and the force receiving disk 31.
The force application disc 32 pushes the snap flaps 33 in the following manner, as shown in fig. 4 and 5, the upper end surfaces of the two snap flaps 33 are both injection-molded with an arc-shaped force bearing table 40, the lower surface of the force application disc 32 is symmetrically provided with two force application cylinders 41 around the center of a circle, the force application cylinders 41 are always in contact with the arc surface of the arc-shaped force bearing table 40, the snap flaps 33 are in contact with the force application cylinders 41 of the force application disc 32 through the arc surface of the arc-shaped force bearing table 40, so that the force application disc 32 pushes the snap flaps 33 through the force application cylinders 41 to swing, and when the force application disc continues to push, a torsion force is generated to drive the.
The specific embodiments are only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiments without inventive contribution as required after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims (7)

1. A turn to separation and reunion structure for bassinet, includes steering control pole (1), turns to motor (2) and clutch assembly, its characterized in that: the steering control rod (1) is rotationally connected to the body of the baby carriage, the top end of the steering control rod is connected with a steering wheel, and the bottom end of the steering control rod is connected with a front wheel control structure of the baby carriage; the steering motor (2) is connected with a speed reducer, and the speed reducer is fixedly arranged on the body of the baby carrier; the clutch assembly comprises a stress disc (31) fixed on the steering control rod (1), a force application disc (32) fixedly installed on the output part of the speed reducer, and an engagement flap (33) used for controlling the connection and the separation of the stress disc (31) and the force application disc (32).
2. The steering clutch structure for a stroller according to claim 1, wherein: the speed reducer comprises a shell (21), an input belt wheel (22) and an output disc (23), wherein the input belt wheel (22) is fixed with a key groove of the steering motor (2), the output disc (23) is rotationally connected to the shell (21), and a synchronous belt (24) is arranged between the output disc and the input belt wheel (22); the steering control rod (1) penetrates through the centers of the shell (21) and the output disc (23) in a clearance mode, and the output disc (23) and the force application disc (32) are coaxially fixed.
3. The steering clutch structure for a stroller according to claim 2, wherein: the lower surface of the output disc (23) and the upper surface of the force application disc (32) are both provided with flower-shaped sleeves (25), and the two flower-shaped sleeves (25) are mutually sleeved.
4. The steering clutch structure for a stroller according to claim 1, wherein: the stress disc (31) is cylindrical with an open upper end, the meshing flap (33) is provided with an arc-shaped surface (34), and the arc-shaped surface (34) is always tangent to the inner circumferential surface of the stress disc (31).
5. The steering clutch structure for a stroller according to claim 4, wherein: the coaxial flower groove dish (35) that is fixed with in atress dish (31) inner chamber centre of a circle, flower groove dish (35) are provided with four caulking grooves (36) along outer orbit direction isogonism at least, interlock lamella (33) have arc (37), the intrados of arc (37) is provided with two at least and inlays income piece (38) of corresponding caulking groove (36) gomphosis.
6. The steering clutch structure for a stroller according to claim 5, wherein: the number of the occlusion petals (33) is two, the occlusion petals are symmetrically arranged, and an elastic piece (39) is arranged between the two occlusion petals (33).
7. The steering clutch structure for a stroller according to claim 6, wherein: the upper end surfaces of the two meshing flaps (33) are provided with arc-shaped stress platforms (40), the lower surface of the force application disc (32) is symmetrically provided with two force application cylinders (41), and the force application cylinders (41) are always abutted to the arc surfaces of the arc-shaped stress platforms (40).
CN201921407677.1U 2019-08-27 2019-08-27 Steering clutch structure for baby carriage Active CN210455084U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921407677.1U CN210455084U (en) 2019-08-27 2019-08-27 Steering clutch structure for baby carriage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921407677.1U CN210455084U (en) 2019-08-27 2019-08-27 Steering clutch structure for baby carriage

Publications (1)

Publication Number Publication Date
CN210455084U true CN210455084U (en) 2020-05-05

Family

ID=70430246

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921407677.1U Active CN210455084U (en) 2019-08-27 2019-08-27 Steering clutch structure for baby carriage

Country Status (1)

Country Link
CN (1) CN210455084U (en)

Similar Documents

Publication Publication Date Title
CN202624497U (en) Front wheel of child's tricycle
CN103982602B (en) A kind of containing limited automatic transimission and the variable-speed shaft turning round clutch
RU2408810C2 (en) Lock mechanism of mechanically locking differential
CN107339398A (en) Drive device
CN106438916A (en) Electric control locking helical gear limited slip differential
CN210455084U (en) Steering clutch structure for baby carriage
CN110435802B (en) Steering control system and baby carrier using same
CN203126371U (en) Adaptive damping regulating wheel
CN203743263U (en) Speed limiting device of bicycle
CN205381262U (en) Energy -saving mechanical braking system all
CN210592298U (en) Steering control system and baby carriage using same
US5107972A (en) Electromagnetic clutch assembly for four wheel drive systems
CN208130505U (en) Anti-lock mechanism and teaching aid toy
CN109058399A (en) Electric-controlled type gearbox with swing function
CN206045403U (en) Double drive toy cars
CN206246633U (en) Electric control locking helical gear limited slip differential
CN110510039B (en) Convenient curved front single-wheel logistics vehicle
CN113212617A (en) Electric scooter
US9062750B2 (en) Differential gears with a mechanism for controlling differential motion
CN209064265U (en) A kind of children's electric motor vehicle
CN210265745U (en) Differential system of scooter
CN101110534B (en) Stepless gear system and rim motor with the system
CN217092060U (en) Remote control toy car
CN203916071U (en) A kind of differential mechanism
CN214729365U (en) Steering power-off electric swing car

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant