CN115056899B - Toy car for children - Google Patents
Toy car for children Download PDFInfo
- Publication number
- CN115056899B CN115056899B CN202210703339.2A CN202210703339A CN115056899B CN 115056899 B CN115056899 B CN 115056899B CN 202210703339 A CN202210703339 A CN 202210703339A CN 115056899 B CN115056899 B CN 115056899B
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- wheel
- driving
- rod
- frame
- driving wheel
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- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 230000013011 mating Effects 0.000 claims description 8
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 230000001360 synchronised effect Effects 0.000 claims description 4
- 230000000712 assembly Effects 0.000 abstract description 16
- 238000000429 assembly Methods 0.000 abstract description 16
- 230000009471 action Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
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- 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
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- 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
- B62K21/00—Steering devices
- B62K21/12—Handlebars; Handlebar stems
Abstract
The invention discloses a children toy car which comprises a car frame, two groups of front wheel assemblies respectively arranged at the left side and the right side of the front part of the car frame, two groups of rear wheel assemblies respectively arranged at the left side and the right side of the rear part of the car frame, a front driving mechanism for driving the two groups of front wheel assemblies to turn, a rear driving mechanism for driving the two groups of rear wheel assemblies to turn, and a steering rod assembly for turning operation. Through controlling the steering rod assembly, two groups of front wheel assemblies and two groups of rear wheel assemblies can be driven to turn simultaneously, so that different driving experiences are obtained when the toy car turns, and the use interestingness of the children toy car is improved.
Description
Technical Field
The invention relates to the field of children products, in particular to a children toy car.
Background
The toy car for children is used as a toy for children and a riding tool for children, and is widely used. The structure of children's toy car in the present market is various, whether electric or non-electric, in order to strengthen the use interest of this type of toy car, can all set up front wheel subassembly into having steering function usually, rear wheel subassembly is directional setting for children can go forward and realize controlling steering when operating the steering column when taking, at present, the play mode of this type of children's toy car is comparatively single, uses the interest generally.
Disclosure of Invention
The invention aims to provide a novel child toy car.
In order to achieve the above purpose, the invention adopts the following technical scheme:
a child toy vehicle, the toy vehicle comprising:
a frame;
the front wheel assembly is provided with two groups which are respectively arranged at the left side and the right side of the front part of the frame, each group of front wheel assembly comprises a front wheel frame and a front wheel which is rotationally arranged on the front wheel frame around a front wheel axle, and the front wheel frame is rotationally connected with the frame around a first rotation center line which extends in the up-down direction;
the front driving mechanism comprises a front driving rod capable of moving linearly along the left and right directions and a first front connecting rod and a second front connecting rod which are respectively arranged at the left and right sides of the front driving rod and extend along the front and rear directions, the first front connecting rod is pivotally connected between one end part of the front driving rod and the front wheel frame at one side, and the second front connecting rod is pivotally connected between the other end part of the front driving rod and the front wheel frame at the other side;
the rear wheel assembly is provided with two groups which are respectively arranged at the left side and the right side of the rear part of the frame, each group of rear wheel assembly comprises a rear wheel frame and a rear wheel which is rotationally arranged on the rear wheel frame around a rear wheel axle, and the rear wheel frame is rotationally connected with the frame around a second rotation center line which extends in the up-down direction;
the rear driving mechanism comprises a rear driving rod capable of moving linearly along the left and right directions and a first rear connecting rod and a second rear connecting rod which are respectively arranged at the left and right sides of the rear driving rod and extend along the front and rear directions, the first rear connecting rod is pivotally connected between one end part of the rear driving rod and the rear wheel frame at one side, and the second rear connecting rod is pivotally connected between the other end part of the rear driving rod and the rear wheel frame at the other side;
a steering rod assembly rotatably disposed at a front portion of the frame about a rotation center line extending in a vertical direction,
the toy car further comprises a linkage device which is arranged on the frame and used for linkage to enable the front driving rod and the rear driving rod to move linearly in the left-right direction at the same time, and the linkage device is arranged between the steering rod assembly and the front driving rod and between the linkage device and the rear driving rod.
Preferably, the linkage device comprises a first driving wheel and a second driving wheel which are respectively arranged on the frame in a rotating way around the axis of the first driving wheel and the second driving wheel, a linkage assembly which is arranged between the first driving wheel and the second driving wheel and can be linked to enable the first driving wheel and the second driving wheel to rotate simultaneously, and a main driving piece which is arranged between the steering rod assembly and the first driving wheel and is used for linking to enable the first driving wheel to rotate when the steering rod assembly rotates around the axis of the rotation, wherein a first matching structure which is mutually matched with the front driving rod and can drive the front driving rod to move left and right when the first driving wheel rotates around the axis of the first driving wheel is arranged between the first driving wheel and the front driving rod, and a second matching structure which is mutually matched with the rear driving rod and can drive the rear driving rod to move left and right when the second driving wheel rotates around the axis of the second driving rod is arranged between the second driving wheel and the front driving rod.
Further, the first engagement structure includes a plurality of first gear teeth provided on an outer peripheral portion of the first driving wheel, a plurality of first engagement teeth provided on the front driving rod at intervals along a length extending direction of the front driving rod, the first gear teeth being provided in meshing engagement with the first engagement teeth; the second mating structure includes a plurality of second gear teeth disposed on an outer peripheral portion of the second driving wheel, a plurality of second mating teeth disposed on the rear driving rod at intervals along a length extending direction of the rear driving rod, the second gear teeth being disposed in meshing engagement with the second mating teeth.
In some embodiments, the first drive wheel is a first gear and the front drive rod is a first rack; the second driving wheel is a second gear, the rear driving rod is a second rack, the axial leads of the first gear and the second gear extend along the up-down direction, the first gear is arranged at the rear of the first rack and is meshed with the first rack, and the second gear is arranged at the rear of the second rack and is meshed with the second rack.
Further, the linkage assembly comprises a driving wheel, a driven wheel and a synchronous belt, wherein the driving wheel is mutually fixed with the first driving wheel and is coaxially arranged, the driven wheel is mutually fixed with the second driving wheel and is coaxially arranged, and the synchronous belt is tensioned between the driving wheel and the driven wheel.
In some embodiments, the axes of the first driving wheel and the second driving wheel extend along the vertical direction, the driving wheel is arranged above the first driving wheel, and the driven wheel is arranged above the second driving wheel.
Further, the axial leads of the first driving wheel and the second driving wheel extend along the vertical direction and are mutually parallel, the main driving piece is a swinging rod extending along the front-rear direction, one end part of the swinging rod can relatively rotate around a third rotation central line and can relatively slide along the length direction of the swinging rod to be connected to the lower part of the steering rod assembly, and the third rotation central line is mutually parallel to the rotation central line; the other end part of the swing rod is fixedly arranged on the first driving wheel and can be rotationally arranged around the axial lead of the first driving wheel synchronously with the first driving wheel.
In some embodiments, the steering rod assembly comprises a steering rod extending along the up-down direction, a steering wheel fixedly arranged at the top of the steering rod, and a connecting rod fixedly arranged at the bottom of the steering rod and extending backwards, wherein a chute extending along the length direction of the swing rod is formed in the swing rod, and the rear part of the connecting rod is rotatably inserted into the chute around the axis of the swing rod.
Preferably, the first front link and the first rear link are located on the same side of the frame in the left-right direction, and the second front link and the second rear link are located on the other side of the frame in the left-right direction, wherein the first front link and the second rear link are parallel to each other, and the second front link and the first front-rear link are parallel to each other.
Preferably, the length extension directions of the front driving rod and the rear driving rod are parallel to each other, the front driving rod is located behind the front wheel shaft along the front-rear direction, the rear driving rod is located in front of the rear wheel shaft along the front-rear direction, and the linkage device drives the front driving rod and the rear driving rod to linearly move along the left-right direction in the same direction, so that the steering direction of the front wheel is opposite to the steering direction of the rear wheel.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages: when the child toy car is driven, an operator can drive the two groups of front wheel assemblies and the two groups of rear wheel assemblies to turn simultaneously through controlling the steering rod assembly, so that different driving experiences are obtained when the toy car turns, and the use interestingness of the child toy car is increased.
Drawings
FIG. 1 is a schematic perspective view of a child toy vehicle according to one embodiment of the present invention;
FIG. 2 is a schematic perspective view of the child toy vehicle of FIG. 1;
FIG. 3 is a schematic perspective view of the child toy vehicle of FIG. 1;
FIG. 4 is a schematic rear elevational view of the child toy vehicle of FIG. 1;
FIG. 5 is a schematic side elevational view of the child toy vehicle of FIG. 1;
FIG. 6 is a schematic top view of the child toy vehicle of FIG. 1;
FIG. 7 is a schematic top plan view of the child toy vehicle of FIG. 1 shown turned to the left;
wherein: 1. a frame; 11. a front cross bar; 12. a rear cross bar;
2. a steering rod assembly; 21. a steering wheel; 22. a steering lever; 23. a connecting rod;
3. a front wheel assembly; 31. a front wheel; 32. a front axle; 33. a front wheel frame;
4. a rear wheel assembly; 41. a rear wheel; 42. a rear axle; 43. a rear wheel frame;
5. a front drive mechanism; 51. a front drive lever (first rack); 51a, first mating teeth; 52. a first front link; 53. a second front link;
6. a rear drive mechanism; 61. a rear drive lever (second rack); 61a, second mating teeth; 62. a first rear link; 63. a second rear link;
8. a driving device; 80. a main driving member (swing link); 81. a first drive wheel (first gear); 81a, first gear teeth; 82. a second drive wheel (second gear); 82. a second gear tooth; 83. a driving wheel; 84. driven wheel; 85. a synchronous belt.
Detailed Description
The following description of the orientations, such as front-to-back, left-to-right, up-to-down, etc., are defined with reference to the orientations that a child may observe while riding the child toy vehicle, and are intended only to clearly illustrate the relative positional relationship of the various pole members on the child toy vehicle.
The technical scheme of the invention is further described below with reference to the attached drawings and specific embodiments.
Referring to the child toy vehicle shown in fig. 1-7, the toy vehicle includes a frame 1, a steering column assembly 2, a front wheel assembly 3, a rear wheel assembly 4, a front drive mechanism 5, and a rear drive mechanism 6, wherein:
the front wheel assembly 3 has two sets respectively provided on left and right sides of a front portion of the frame 1, and each set of front wheel assembly 3 includes a front wheel frame 33, a front wheel 31 rotatably provided on the front wheel frame 33 about a front wheel axle 32 extending in a left-right direction, and the front wheel frame 33 is rotatably connected to the frame 1 about a first rotation center line X1 extending in a up-down direction. Here, the front portion of the frame 1 has a front cross bar 11 extending in the left-right direction, and the front wheel frames 33 on both sides are each rotatably connected to both left and right end portions of the front cross bar 11 about a first rotation center line X1.
The rear wheel assembly 4 has two groups disposed on the left and right sides of the rear portion of the frame 1, each group of the rear wheel assembly 4 includes a rear wheel frame 43, and a rear wheel 41 rotatably disposed on the rear wheel frame 43 about a rear wheel axle 42 extending in the left-right direction, and the rear wheel frame 43 is rotatably connected to the frame 1 about a second rotation center line X2 extending in the up-down direction. Here, the rear portion of the frame 1 has a rear cross bar 12 extending in the left-right direction, and the rear wheel frames 43 on both sides are each rotatably connected to both left and right end portions of the rear cross bar 12 about the second rotation center line X2.
The front driving mechanism 5 is disposed between the frame 1 and the two sets of front wheel assemblies 3 and is used for driving the two sets of front wheel assemblies 3 to rotate leftwards or rightwards around the first rotation center line X1 during movement, so that the two sets of front wheels 31 are simultaneously steered leftwards or rightwards. The front driving mechanism 5 includes a front driving lever 51 provided on the frame 1 so as to be linearly movable in the left-right direction, a first front link 52 and a second front link 53 which are provided on both sides of the front driving lever 51 and extend in the front-rear direction, the first front link 52 being pivotally connected between one end portion of the front driving lever 51 and the front wheel frame 33 on one side, and the second front link 53 being pivotally connected between the other end portion of the front driving lever 51 and the front wheel frame 33 on the other side. Specifically, in the present embodiment, the front driving lever 51 is located behind the front cross bar 11 in the front-rear direction, and as shown in fig. 3, taking as an example a second front link 53, the front portion of the second front link 53 is pivotally connected to the front wheel frame 33 on the same side about a rotation axis a, the rear portion of the second front link 53 is pivotally connected to the right-side end portion of the front driving lever 51 about a rotation axis b, and the axes of the rotation axis a and the rotation axis b both extend in the up-down direction and are both parallel to the first rotation center line X1. Here, the first front link 52 and the second front link 53 have the same length, and the front wheels 31 on both sides simultaneously turn to the left or right at the same angle during the linear movement of the front driving lever 51 in the left-right direction.
The rear driving mechanism 6 is disposed between the frame 1 and the two sets of rear wheel assemblies 4 and is used for driving the two sets of rear wheel assemblies 4 to rotate leftwards or rightwards around the second rotation center line X2 during movement, so that the two sets of rear wheels 41 are simultaneously steered leftwards or rightwards. The rear drive mechanism 6 includes a rear drive lever 61 provided on the frame 1 so as to be linearly movable in the left-right direction, a first rear link 62 and a second rear link 63 provided on both sides of the rear drive lever 61 so as to extend in the front-rear direction, the first rear link 62 being pivotally connected between one end portion of the rear drive lever 61 and the rear wheel frame 43 on one side, and the second rear link 63 being pivotally connected between the other end portion of the rear drive lever 61 and the rear wheel frame 43 on the other side. Specifically, in the present embodiment, the rear driving lever 61 is located in front of the rear cross bar 12 in the front-rear direction, and as shown in fig. 3, taking a second rear link 63 as an example, the rear portion of the second rear link 63 is pivotally connected to the rear wheel frame 43 on the same side about a rotation axis c, the front portion of the second rear link 63 is pivotally connected to the right-side end portion of the rear driving lever 61 about a rotation axis d, and the axes of the rotation axis c and the rotation axis d both extend in the up-down direction and are both parallel to the second rotation center line X2. Here, the lengths of the first and second rear links 62 and 63 are the same, and the angles at which the rear wheels 41 on both sides simultaneously turn to the left or right are the same during the linear movement of the rear driving lever 61 in the left-right direction.
A steering rod assembly 2 is rotatably provided at the front of the frame 1 about a rotation center line X0 extending in the up-down direction, and the steering rod assembly 2 is used to control the steering of the front wheel assembly 3, thereby controlling the traveling direction of the entire child toy vehicle.
The toy vehicle further includes a linkage 8 provided on the frame 1 for linkage such that the front driving lever 51 and the rear driving lever 61 simultaneously linearly move in the left-right direction, the linkage 8 being provided between the steering wheel assembly 2 and the front driving lever 51 and the rear driving lever 61, so that when the steering wheel assembly 2 controls the steering of the front wheel assembly 3, the rear wheel assembly 4 correspondingly also steers.
In this embodiment, the length extending directions of the front driving rod 51 and the rear driving rod 61 are parallel to each other, the front driving rod 51 is located behind the front wheel axle 32 in the front-rear direction, the rear driving rod 61 is located in front of the rear wheel axle 42 in the front-rear direction, and the linkage 8 is used for driving the front driving rod 51 and the rear driving rod 61 to linearly move in the same direction in the left-right direction, so that the front driving rod 51 and the rear driving rod 61 simultaneously linearly move leftward or simultaneously linearly move rightward. In the process of moving the front driving lever 51 and the rear driving lever 61 in the same direction in the left-right direction, the steering directions of the front wheels 31 and the rear wheels 41 are opposite, and if the front wheels 31 are driven to steer left, the rear wheels 41 steer right accordingly; while the front wheels 31 are driven to turn right, the rear wheels 41 turn left accordingly. Therefore, when the toy car turns in the running process, the turning operation of the whole car can be realized only by a small turning radius, and the playing interestingness is higher.
Specifically, referring to the drawings, the linkage 8 includes a first driving wheel 81 and a second driving wheel 82 each rotatably provided on the frame 1 about its own axis, a linkage assembly provided between the first driving wheel 81 and the second driving wheel 82 and capable of being linked so that both are simultaneously rotated, and a main driving member 80 provided between the steering wheel assembly 2 and the first driving wheel 81 and for being linked so that the first driving wheel 81 is rotated when the steering wheel assembly 2 is rotated about the rotation axis X0, wherein a first engagement structure which is engaged with each other and capable of driving the front driving rod 51 to move left and right when the first driving wheel 81 is rotated about its own axis is provided between the first driving wheel 81 and the front driving rod 51, and a second engagement structure which is engaged with each other and capable of driving the rear driving rod 61 to move left and right when the second driving wheel 82 is rotated about its own axis is provided between the second driving wheel 82 and the rear driving rod 61.
In this embodiment, the first engaging structure includes a plurality of first gear teeth 81a provided on the outer peripheral portion of the first driving wheel 81, and a plurality of first engaging teeth 51a provided on the front driving rod 51 at intervals along the length extending direction of the front driving rod 51, and the first gear teeth 81a are provided in engagement with the first engaging teeth 51a, so that the front driving rod 51 is driven to move linearly in the left-right direction correspondingly when the first driving wheel 81 rotates. The second engagement structure includes a plurality of second gear teeth 82a provided on an outer peripheral portion of the second driving wheel 82, and a plurality of second engagement teeth 61a provided on the rear driving rod 61 at intervals along a length extending direction of the rear driving rod 61, the second gear teeth 82a being provided in engagement with the second engagement teeth 61a such that the rotation of the second driving wheel 82 drives the rear driving rod 61 to linearly move in the left-right direction accordingly. Here, the first driving wheel 81 is a first gear, and the front driving lever 51 is a first rack; the second driving wheel 82 is a second gear, the rear driving rod 61 is a second rack, the axes of the first gear and the second gear extend in the up-down direction, the first gear is located at the rear side of the first rack and is meshed with the first rack, and the second gear is located at the rear side of the second rack and is meshed with the second rack.
The linkage assembly includes a driving wheel 83 fixed to each other and coaxially disposed with the first driving wheel 81, a driven wheel 84 fixed to each other and coaxially disposed with the second driving wheel 82, and a timing belt 85 tensioned between the driving wheel 83 and the driven wheel 84. Here, the driving wheel 83 is coaxially and fixedly provided above the first driving wheel 81, and the driven wheel 84 is coaxially and fixedly provided above the second driving wheel 82. When the driving pulley 83 is driven to rotate, the driven pulley 84 rotates synchronously by the timing belt 85, and the driving pulley 83 and the driven pulley 84 rotate in the same direction.
The main driving member 80 is a swing link extending in the front-rear direction, one end portion of the swing link 80 is connected to the lower portion of the steering rod assembly 2 so as to be rotatable about a third rotation center line X3 and relatively slidable in the longitudinal direction of the swing link 80, and the other end portion of the swing link 80 is fixedly provided on the first driving wheel 81 and rotatably provided about the axis of the first driving wheel 81 in synchronization with the first driving wheel 81, wherein the third rotation center line X3 and the rotation center line X0 are parallel to each other. Here, referring to fig. 1 to 3, the steering rod assembly 2 includes a steering rod 22 extending obliquely in the up-down direction, a steering wheel 21 fixed to the top of the steering rod 22, and a connecting rod 23 fixed to the bottom of the steering rod 22 and extending rearward. Here, the steering rod 22 extends obliquely upward from front to back, the axis of the steering rod 22 forms a rotation center line X0, and the steering rod 22 is rotatably provided at the front part of the frame 1 around its own axis; the connecting rod 23 is located at the rear side of the steering rod 22 and is an arc-shaped rod arched downwards, the extending direction of the rear part of the connecting rod 23 is parallel to the length extending direction of the steering rod 22, a sliding groove (not shown in the figure) extending along the front-rear direction is formed in the front part of the swinging rod 80, the rear part of the connecting rod 23 is rotatably inserted into the sliding groove at the front end part of the swinging rod 80 around the axis of the connecting rod and can slide relatively along the sliding groove, and the rear end part of the swinging rod 80 and the first driving wheel 81 are coaxially and fixedly arranged with each other.
Thus, when the steering wheel 21 holding the steering rod assembly 2 rotates, the steering rod 22 rotates around the rotation center line X0, so that the connecting rod 23 acts on the swing rod 80 to drive the first driving wheel 81 to synchronously and correspondingly rotate, acts on the front driving rod 51, and drives the front wheel assemblies 3 on two sides to correspondingly realize steering under the action of the first front connecting rod 52 and the second front connecting rod 53; meanwhile, the second driving wheel 82 rotates synchronously and acts on the rear driving rod 61 under the action of the linkage assembly, and drives the rear wheel assemblies 4 on both sides to correspondingly realize steering under the action of the first rear connecting rod 62 and the second rear connecting rod 63.
In the present embodiment, referring to the drawings, the first front link 52 and the first rear link 62 are located on the left side of the frame 1, and the second front link 53 and the second rear link 63 are located on the right side of the frame 1. During the running of the toy vehicle, the steering rod assembly 2 is not rotated, or the steering rod assembly 2 drives the front wheel assembly 3 to turn left or right, the first front link 52 and the second rear link 63 are parallel to each other, and the second front link 53 and the first rear link 62 are also parallel to each other. When the steering rod assembly 2 drives the front wheel assembly 3 to turn left, the angle of the front wheel assembly 3 turning left is the same as the angle of the rear wheel assembly 4 turning right; when the steering rod assembly 2 drives the front wheel assembly 3 to turn right, the angle at which the front wheel assembly 3 turns right is the same as the angle at which the rear wheel assembly 4 turns left.
When the operator drives the child toy vehicle of this embodiment, he sits on a seat mechanism (not shown) provided on the vehicle frame 1, holds the steering wheel 21 to operate the steering rod assembly 2, and does not rotate the steering rod assembly 2 while traveling straight, as shown in fig. 1 to 6, and the front wheel shafts 32 of the two front wheel assemblies 3 and the rear wheel shafts 42 of the two rear wheel assemblies 4 extend in the left-right direction and are parallel to each other.
When the steering wheel 21 is required to turn left, as shown in fig. 7, an operator turns the steering wheel 21 left to enable the steering wheel 21 to rotate anticlockwise, drives the swing rod 80 to rotate to enable the first driving wheel 81 to rotate around the axis line of the first driving wheel, enables the front driving rod 51 to move right, and the front wheels 31 on two sides turn left under the action of the front driving mechanism 5; the linkage 8 simultaneously moves the rear drive levers 61 synchronously to the right, so that the rear wheels 41 on both sides turn to the right under the action of the rear drive mechanism 6. Therefore, the toy car can realize left steering operation only by a small turning radius, has strong control feeling during steering operation, and increases the interest of children in playing.
When a right turn is required, the operation is similar to that when a left turn is required, and the operator only needs to turn the steering wheel 21 to the right, which is not described in detail herein.
The above embodiments are only for illustrating the technical concept and features of the present invention, and are intended to enable those skilled in the art to understand the content of the present invention and to implement the same, but are not intended to limit the scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be included in the scope of the present invention.
Claims (7)
1. A child toy vehicle, the toy vehicle comprising:
a frame;
the front wheel assembly is provided with two groups which are respectively arranged at the left side and the right side of the front part of the frame, each group of front wheel assembly comprises a front wheel frame and a front wheel which is rotationally arranged on the front wheel frame around a front wheel axle, and the front wheel frame is rotationally connected with the frame around a first rotation center line which extends in the up-down direction;
the front driving mechanism comprises a front driving rod capable of moving linearly along the left and right directions and a first front connecting rod and a second front connecting rod which are respectively arranged at the left and right sides of the front driving rod and extend along the front and rear directions, the first front connecting rod is pivotally connected between one end part of the front driving rod and the front wheel frame at one side, and the second front connecting rod is pivotally connected between the other end part of the front driving rod and the front wheel frame at the other side;
the rear wheel assembly is provided with two groups which are respectively arranged at the left side and the right side of the rear part of the frame, each group of rear wheel assembly comprises a rear wheel frame and a rear wheel which is rotationally arranged on the rear wheel frame around a rear wheel axle, and the rear wheel frame is rotationally connected with the frame around a second rotation center line which extends in the up-down direction;
the rear driving mechanism comprises a rear driving rod capable of moving linearly along the left and right directions and a first rear connecting rod and a second rear connecting rod which are respectively arranged at the left and right sides of the rear driving rod and extend along the front and rear directions, the first rear connecting rod is pivotally connected between one end part of the rear driving rod and the rear wheel frame at one side, and the second rear connecting rod is pivotally connected between the other end part of the rear driving rod and the rear wheel frame at the other side;
the steering rod assembly is rotationally arranged at the front part of the frame around a rotation center line extending in the up-down direction and comprises a steering rod extending in the up-down direction and a connecting rod fixedly arranged at the bottom of the steering rod and extending backwards;
the toy car further comprises a linkage device which is arranged on the frame and is used for linkage to enable the front driving rod and the rear driving rod to simultaneously linearly move along the left-right direction, the linkage device is arranged between the steering rod assembly and the front driving rod and between the steering rod assembly and the rear driving rod, the linkage device comprises a first driving wheel and a second driving wheel which are respectively arranged on the frame in a rotating way around the axis of the linkage device, a linkage assembly which is arranged between the first driving wheel and the second driving wheel and can be linked to enable the first driving wheel and the second driving wheel to simultaneously rotate, and a main driving piece which is arranged between the steering rod assembly and the first driving wheel and is used for linkage to enable the first driving wheel to rotate when the steering rod assembly rotates around the rotation axis,
wherein a first matching structure which is matched with each other and can drive the front driving rod to move left and right when the first driving wheel rotates around the axis of the front driving rod is arranged between the first driving wheel and the front driving rod, a second matching structure which is matched with each other and can drive the rear driving rod to move left and right when the second driving wheel rotates around the axis of the rear driving rod is arranged between the second driving wheel and the rear driving rod, the axis of the first driving wheel and the axis of the second driving wheel are both extended along the up-down direction and are mutually parallel,
the linkage assembly comprises a driving wheel which is mutually fixed with the first driving wheel and is coaxially arranged, a driven wheel which is mutually fixed with the second driving wheel and is coaxially arranged, and a synchronous belt which is tensioned between the driving wheel and the driven wheel,
the main driving piece is a swinging rod extending along the front-back direction, a sliding groove extending along the length direction of the swinging rod is formed in the swinging rod, the rear portion of the connecting rod is inserted in the sliding groove in a rotating mode around the axis of the connecting rod, and the rear portion of the swinging rod is fixedly arranged on the first driving wheel and can be synchronously arranged around the axis of the first driving wheel in a rotating mode with the first driving wheel.
2. The toy child vehicle of claim 1, wherein: the first matching structure comprises a plurality of first gear teeth arranged on the outer peripheral part of the first driving wheel and a plurality of first matching teeth arranged on the front driving rod at intervals along the length extending direction of the front driving rod, and the first gear teeth and the first matching teeth are arranged in a meshed manner; the second mating structure includes a plurality of second gear teeth disposed on an outer peripheral portion of the second driving wheel, a plurality of second mating teeth disposed on the rear driving rod at intervals along a length extending direction of the rear driving rod, the second gear teeth being disposed in meshing engagement with the second mating teeth.
3. The toy child vehicle of claim 2, wherein: the first driving wheel is a first gear, and the front driving rod is a first rack; the second driving wheel is a second gear, the rear driving rod is a second rack, the axial leads of the first gear and the second gear extend along the up-down direction, the first gear is arranged at the rear of the first rack and is meshed with the first rack, and the second gear is arranged at the rear of the second rack and is meshed with the second rack.
4. The toy child vehicle of claim 1, wherein: the driving wheel is arranged above the first driving wheel, and the driven wheel is arranged above the second driving wheel.
5. The toy child vehicle of claim 1, wherein: the steering rod assembly further comprises a steering wheel fixedly arranged at the top of the steering rod.
6. The toy child vehicle of claim 1, wherein: the first front connecting rod and the first rear connecting rod are positioned on the same side of the frame in the left-right direction, the second front connecting rod and the second rear connecting rod are positioned on the other side of the frame in the left-right direction, the first front connecting rod and the second rear connecting rod are parallel to each other, and the second front connecting rod and the first front and rear connecting rods are parallel to each other.
7. The toy child vehicle of any one of claims 1-6, wherein: the front driving rod and the rear driving rod are parallel to each other in the length extension direction, the front driving rod is located behind the front wheel shaft in the front-rear direction, the rear driving rod is located in front of the rear wheel shaft in the front-rear direction, and the linkage drives the front driving rod and the rear driving rod to linearly move in the same direction in the left-right direction, so that the steering direction of the front wheel is opposite to the steering direction of the rear wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210703339.2A CN115056899B (en) | 2022-06-21 | 2022-06-21 | Toy car for children |
Applications Claiming Priority (1)
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| US5851015A (en) * | 1997-03-21 | 1998-12-22 | Trw Inc. | Rack and pinion steering system for four wheel drive vehicle |
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| CN201633857U (en) * | 2009-06-01 | 2010-11-17 | 浙江大学 | Crank type mechanical steering mechanism |
| CN102514620A (en) * | 2011-11-24 | 2012-06-27 | 华南农业大学 | Tractor identical-track steering mechanism and steering method thereof |
| CN204077780U (en) * | 2014-09-17 | 2015-01-07 | 西安工业大学 | A kind of automobile machinery four-wheel steering system |
| CN104354758A (en) * | 2014-11-25 | 2015-02-18 | 广西大学 | Single-drive four-wheel steering mechanism based on screw and nut |
| CN105109598A (en) * | 2015-08-24 | 2015-12-02 | 好孩子儿童用品有限公司 | Child electrocar |
| CN206231439U (en) * | 2016-12-07 | 2017-06-09 | 金华职业技术学院 | A kind of miniature 4 wheel driven four-wheel steering greenhouse engine |
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| CN215323067U (en) * | 2021-04-02 | 2021-12-28 | 好孩子儿童用品有限公司 | Steering device of children electric vehicle and children electric vehicle |
| CN114227764A (en) * | 2021-12-30 | 2022-03-25 | 重庆特斯联智慧科技股份有限公司 | Robot steering chassis structure suitable for small space |
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|---|---|
| CN115056899A (en) | 2022-09-16 |
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