An eccentric bumping travel mechanism and travel method for a children's toy car

Abstract

The present invention belongs to the technical field of baby carriages, and in particular to an eccentric bumping travel mechanism and travel method of a children's toy car, comprising a frame, and also comprising a front wheel component and a rear wheel component arranged at the bottom of the frame to support the frame, the frame is externally clamped with a seat shell in an animal-shaped structure, pedals for children to retract their feet are fixedly installed on both sides of the middle of the seat shell by bolts, and an eccentric adjustment mechanism for controlling the running track of the front end of the frame is arranged inside the front wheel component. The eccentric bumping travel mechanism and travel method of the children's toy car can control the position of the positioning shaft by a button by setting an eccentric adjustment mechanism, and control whether the front wheel component is eccentrically installed by the relative position between the flat groove on the positioning shaft and the limit block, so that the children's toy car can achieve a smooth travel or an up and down bumping travel mode, which increases the fun of the children's toy car.

Description

Technical Field

[0001] The invention relates to the technical field of baby carriages, and in particular to an eccentric bumping traveling mechanism and a traveling method of a children's toy car. Background Art

[0002] Children's bicycles are a major category of children's toys, including children's bicycles, strollers, baby walkers, children's tricycles, and children's electric vehicles. Children's bicycles are suitable for children aged 4 to 8 years old. When purchasing, choose the appropriate size based on the child's age and height, that is, a bicycle with a saddle height within the range of 435 to 635mm. When purchasing a vehicle, pay attention to the size of the handbrake handle;

[0003] Existing children's toy cars usually have the front wheels and the rear wheels mounted on a frame through bearings, and can only maintain a constant use state and run smoothly or rock back and forth in place like a rocking car, but cannot achieve conversion between the two states according to demand, which reduces the fun of the children's toy car. Summary of the invention

[0004] Based on the technical problem that the existing children's toy cars cannot realize the conversion between two states according to the demand, which reduces the fun of the children's toy cars, the present invention proposes an eccentric bumpy traveling mechanism and a traveling method of the children's toy car.

[0005] The present invention proposes an eccentric bumpy travel mechanism and a travel method for a children's toy car, which include a frame, and also include a front wheel component and a rear wheel component arranged at the bottom of the frame to support the frame. A seat shell with an animal-shaped structure is clamped and installed on the outside of the frame. Pedals that are convenient for children to retract their feet are fixed on both sides of the middle of the seat shell by bolts. An eccentric adjustment mechanism for controlling the running trajectory of the front end of the frame is arranged inside the front wheel component.

[0006] The eccentric adjustment mechanism includes an eccentric box sleeved inside the front wheel component, one side of the eccentric box is provided with a movable part for adjusting the installation position between the frame and the front wheel component from the inner wall, and the other side of the eccentric box is provided with a positioning shaft for limiting and locking the movable part on the inner wall.

[0007] Preferably, the eccentric box is composed of a mounting rear cover and a mounting front cover spliced ​​together, the front wheel component is composed of a front wheel left cover and a front wheel right cover slidingly connected together, and the mounting rear cover and the mounting front cover are fixedly connected by bolts after being spliced ​​together.

[0008] Through the above technical solution, the front wheel components can be disassembled at a later stage, which is convenient for repairing and replacing the eccentric adjustment mechanism. Moreover, since the front cover and the rear cover are connected by bolts, it is also convenient to replace and repair the internal structure of the eccentric box at a later stage.

[0009] Preferably, one side surface of the mounting rear cover and the mounting front cover is provided with coaxial straight slots, and two end surfaces of the movable member are fixedly connected with two convex rings which are respectively slidably connected to the inner walls of the two straight slots.

[0010] Through the above technical solution, the movable part can be supported by the cooperation of the two convex rings and the straight notch, and the position of the movable part can be adjusted by changing the relative position between the convex ring and the straight notch.

[0011] Preferably, the front end of the frame is sequentially sleeved with the convex ring and the movable part through a pin shaft to install the front wheel component, one side surface of the movable part is fixedly connected to a limiting block, one side surface of the limiting block is provided with two matching grooves that are movably plugged with the outer surface of the positioning shaft, and the axis of one of the matching grooves is on the same horizontal center line as the axis of the front wheel component.

[0012] Through the above technical solution, whether the front wheel component is eccentrically installed can be controlled by the position between the two matching grooves of the positioning shaft and the limiting block, thereby controlling the traveling state of the children's toy car.

[0013] Preferably, the inner wall of the front installation cover is provided with a driving opening for placing the spring, the outer surface of one end of the positioning shaft is movably connected to the inner wall of the driving opening, and the side surface of the middle part of the positioning shaft is provided with a flat groove that cooperates with the limit block.

[0014] Through the above technical solution, when the flat groove of the positioning shaft is flush with the limit block, the position between the positioning shaft and the movable part can be adjusted, and the flat groove removes the obstruction between the positioning shaft and the movable part, which facilitates the relative displacement between the movable part and the positioning shaft.

[0015] Preferably, the outer surface of the other end of the positioning shaft is movably sleeved with a button for pressing and controlling the positioning shaft to move along the axial direction toward the mounting rear cover, and a pressing opening movably sleeved with the outer surface of the button is opened on one side surface of the mounting front cover.

[0016] Through the above technical solution, the button can be guided through the pressing port, and the button is pressed to control the positioning shaft to move, so that the flat groove of the positioning shaft is docked with the limit block.

[0017] Preferably, the inner top wall and the inner bottom wall of the driving port and the pressing port are both planes, thereby preventing the positioning shaft from rotating circumferentially when the front wheel component moves. A limiting ring is fixedly connected to the circumferential side surface of one end of the button to prevent the button from falling out of the pressing port.

[0018] Through the above technical solution, the shape characteristics of the driving port and the pressing port can prevent the positioning shaft from rotating due to the bumps generated when the front wheel component is running, resulting in the eccentric adjustment mechanism not being able to be used normally.

[0019] Preferably, a traveling method of an eccentric bumpy traveling mechanism of a children's toy car, when the children's toy car needs to change from a normal and stable traveling state to a traveling state in which the front of the car moves back and forth up and down, the guardian presses the button to one side of the front wheel component, the positioning shaft squeezes the spring, so that the positioning shaft slides in the matching groove of the limit block, so that the flat groove of the positioning shaft is flush with the limit block, the seat shell is pressed downward, so that the movable part moves downward, while the position of the positioning shaft remains unchanged, so that the movable part moves downward, and the positioning shaft is stuck in the matching groove eccentric to the front wheel component, and then the button is released, the spring generates a thrust on the positioning shaft, so that the positioning shaft drives the button to reset, so that the flat groove of the positioning shaft and the limit block are misaligned, thereby realizing the eccentric installation of the front wheel component, and when the children's toy car moves, due to the eccentric installation of the front wheel component, the front part of the children's toy car is in an up and down bumpy state when moving, which increases the fun of the children's toy car.

[0020] The beneficial effects of the present invention are:

[0021] By setting up an eccentric adjustment mechanism, the position of the positioning shaft can be controlled by a button, and whether the front wheel component is eccentrically installed can be controlled by the relative position between the flat groove on the positioning shaft and the limit block, so that the children's toy car can achieve a smooth travel mode or an up and down bumpy travel mode, which increases the fun of the children's toy car. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 A schematic diagram of an eccentric bumping travel mechanism and a travel method of a children's toy car proposed by the present invention;

[0023] Figure 2 A comparison diagram of the undulating states of the seat shell structure of an eccentric bumping travel mechanism and a travel method of a children's toy car proposed by the present invention;

[0024] Figure 3 A side view of a front wheel component of an eccentric bumping travel mechanism and a travel method of a children's toy car proposed by the present invention;

[0025] Figure 4 A diagram showing the coaxial installation state of the front wheel component and the frame structure of an eccentric bumping travel mechanism and a travel method of a children's toy car proposed by the present invention;

[0026] Figure 5This is a diagram showing the eccentric installation state of the front wheel component and the frame structure of an eccentric bumping travel mechanism and travel method of a children's toy car proposed by the present invention;

[0027] Figure 6 A three-dimensional diagram of an eccentric box structure of an eccentric bumping travel mechanism and a travel method of a children's toy car proposed by the present invention;

[0028] Figure 7 An exploded diagram of an eccentric bumping travel mechanism and an eccentric adjustment mechanism of a travel method of a children's toy car proposed by the present invention;

[0029] Figure 8 A stereoscopic diagram showing the locking state of the positioning shaft structure and the movable part structure of the eccentric bumping travel mechanism and the travel method of the children's toy car proposed by the present invention before the change;

[0030] Fig. 9 A stereoscopic diagram showing the locking state transformation of the positioning shaft structure and the movable part structure of an eccentric bumping travel mechanism and a travel method of a children's toy car proposed by the present invention;

[0031] Fig.10 The present invention provides a stereoscopic diagram showing the locking states of the positioning shaft structure and the movable part structure of the eccentric bumping travel mechanism and the travel method of a children's toy car after the change.

[0032] In the figure: 1, frame; 2, front wheel component; 3, rear wheel component; 4, seat shell; 5, pedal; 6, eccentric box; 61, movable part; 62, positioning shaft; 63, install rear cover; 64, install front cover; 65, front wheel left cover; 66, front wheel right cover; 606, guide slide groove; 67, straight groove; 68, convex ring; 69, limit block; 610, matching groove; 611, spring; 612, drive port; 613, flat groove; 614, button; 615, press port; 616, limit ring; 617, socket. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0034] Reference Figure 1-10 The invention discloses an eccentric bumpy travel mechanism and a travel method of a children's toy car, comprising a frame 1, and also comprising a front wheel component 2 and a rear wheel component 3 arranged at the bottom of the frame 1 to support the frame 1. A seat shell 4 with an animal-shaped structure is clamped and installed on the outside of the frame 1. Pedals 5 for children to retract their feet are fixed by bolts on both sides of the middle of the seat shell 4. An eccentric adjustment mechanism for controlling the running trajectory of the front end of the frame 1 is arranged inside the front wheel component 2.

[0035] The eccentric adjustment mechanism includes an eccentric box 6 sleeved inside the front wheel component 2. In order to adjust the installation position between the frame 1 and the front wheel component 2 and realize the eccentric installation of the front wheel component 2, a movable part 61 for adjusting the installation position between the frame 1 and the front wheel component 2 is provided on one side of the eccentric box 6 from the inner wall. Further, in order to adjust the position of the movable part 61, a positioning shaft 62 for limiting and locking the movable part 61 is provided on the inner wall of the other side of the eccentric box 6. In order to facilitate the maintenance and replacement of the eccentric adjustment mechanism in the later stage, the eccentric box 6 is designed to be installed by The rear cover 63 is spliced ​​with the front cover 64. Furthermore, the front wheel component 2 is designed to be composed of a front wheel left cover 65 and a front wheel right cover 66 that are slidably connected. The outer surfaces of the front wheel left cover 65 and the front wheel right cover 66 are provided with guide grooves 606, and the rear cover 63 is spliced ​​with the front cover 64 and fixedly connected by bolts. The front wheel component 2 can be disassembled at a later time, which is convenient for repair and replacement of the eccentric adjustment mechanism. Moreover, since the front cover 64 and the rear cover 63 are connected by bolts, it is also convenient to replace and repair the internal structure of the eccentric box 6 at a later time.

[0036] Furthermore, in order to guide the moving trajectory of the movable part 61, a coaxial straight slot 67 is opened on the side surface of the rear cover 63 and the front cover 64, and two convex rings 68 are fixedly connected to the two end surfaces of the movable part 61, which are respectively slidably connected to the inner walls of the two straight slots 67. The movable part 61 can be supported by the cooperation of the two convex rings 68 and the straight slots 67, and the position of the movable part 61 can be adjusted by changing the relative position between the convex rings 68 and the straight slots 67. Furthermore, in order to enable the frame 1 to be better connected to the front wheel component 2, the front wheel component 2 is installed after the front end of the frame 1 is sequentially connected to the convex rings 68 and the movable part 61 through a pin shaft. In order to adjust the position of the movable part 61, a limiting block 69 is fixedly connected to the side surface of the movable part 61.

[0037] In order to adjust the concentric installation and eccentric installation of the front wheel component 2, two matching grooves 610 that are movably plugged with the outer surface of the positioning shaft 62 are opened on one side surface of the limit block 69. The axis center of one of the matching grooves 610 is on the same horizontal axis as the axis center of the front wheel component 2. When the positioning shaft 62 is matched with the matching groove 610 coaxial with the front wheel component 2, the children's toy car is in a stable moving state. Whether the front wheel component 2 is eccentrically installed can be controlled by the position between the positioning shaft 62 and the two matching grooves 610 of the limit block 69, thereby controlling the moving state of the children's toy car.

[0038] In order to push the positioning shaft 62 to reset by the spring 611 after the button 614 loses the squeezing force, a driving port 612 for placing the spring 611 is opened on the inner wall of the front cover 64 for installation; in order to stably install the positioning shaft 62 and control the movement of the positioning shaft 62 along the axial direction by pressing, the outer surface of one end of the positioning shaft 62 is movably plugged into the inner wall of the driving port 612; further, in order to adjust the position of the movable part 61 when it is necessary to adjust the position of the positioning shaft 62, thereby completing the change of the relative position between the movable part 61 and the front wheel component 2, a flat groove 613 cooperating with the limit block 69 is opened on one side surface of the middle part of the positioning shaft 62; when the flat groove 613 of the positioning shaft 62 is flush with the limit block 69, the position between the positioning shaft 62 and the movable part 61 can be adjusted; the flat groove 613 makes the positioning shaft 62 and the movable part 61 lose the obstruction, thereby facilitating the relative displacement between the movable part 61 and the positioning shaft 62.

[0039] Furthermore, in order to control the positioning shaft 62, a button 614 is movably sleeved on the outer surface of the other end of the positioning shaft 62 for pressing and controlling the positioning shaft 62 to move along the axial direction toward the installation rear cover 63. Furthermore, in order to better control the positioning shaft 62, a pressing hole 615 movably sleeved with the outer surface of the button 614 is provided on the side surface of the installation front cover 64, and a socket 617 matched with the pressing hole 615 is provided on the side surface of the front wheel right cover 66. The button 614 can be guided through the pressing hole 615, and the positioning shaft 62 can be moved by pressing the button 614, so that the flat groove 613 of the positioning shaft 62 is docked with the limit block 69.

[0040] In order to prevent the positioning shaft 62 from generating circumferential rotation, the inner top wall and the inner bottom wall of the driving port 612 and the pressing port 615 are both flat, thereby preventing the positioning shaft 62 from generating circumferential rotation when the front wheel component 2 moves. In order to prevent the button 614 from falling out of the pressing port 615, a limiting ring 616 is fixedly connected to the side surface of one end of the button 614 to prevent the button 614 from falling out of the pressing port 615. The limiting ring 616 prevents the button 614 from sliding out of the pressing port 615. The shape characteristics of the driving port 612 and the pressing port 615 can prevent the positioning shaft 62 from rotating due to the bumps generated when the front wheel component 2 is running, thereby preventing the eccentric adjustment mechanism from being able to be used normally.

[0041] By setting up an eccentric adjustment mechanism, the position of the positioning shaft 62 can be controlled by the button 614, and whether the front wheel component 2 is eccentrically installed can be controlled by the relative position between the flat groove 613 on the positioning shaft 62 and the limit block 69, so that the children's toy car can achieve a smooth travel mode or an up and down bumpy travel mode, which increases the fun of the children's toy car.

[0042] Working principle: When the children's toy car needs to change from a normal and stable traveling state to a traveling state in which the head of the car moves up and down, the guardian presses the button 614 to one side of the front wheel component 2, and the positioning shaft 62 squeezes the spring 611, so that the positioning shaft 62 slides in the matching groove 610 of the limit block 69, so that the flat groove 613 of the positioning shaft 62 is flush with the limit block 69, and the seat shell 4 is pressed downward to move the movable part 61 downward, while the position of the positioning shaft 62 remains unchanged, so that the movable part 61 Move downward, the positioning shaft 62 is stuck in the matching groove 610 eccentric to the front wheel component 2, and then the button 614 is released. The spring 611 generates a thrust on the positioning shaft 62, so that the positioning shaft 62 drives the button 614 to reset, so that the flat groove 613 of the positioning shaft 62 and the limit block 69 are misaligned, thereby realizing the eccentric installation of the front wheel component 2. When the children's toy car moves, due to the eccentric installation of the front wheel component 2, the front part of the children's toy car is in an up and down bumpy state when moving, which increases the fun of the children's toy car.

[0043] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An eccentric bumping travel mechanism for a children's toy car, comprising a frame (1), characterized in that: The bicycle also comprises a front wheel component (2) and a rear wheel component (3) arranged at the bottom of the frame (1) to support the frame (1); a seat shell (4) in the shape of an animal is mounted on the outside of the frame (1) in a snap-fit ​​manner; pedals (5) for facilitating children to retract their feet are fixedly mounted on both sides of the middle of the seat shell (4) by means of bolts; an eccentric adjustment mechanism for controlling the running track of the front end of the frame (1) is arranged inside the front wheel component (2); The eccentric adjustment mechanism comprises an eccentric box (6) sleeved inside the front wheel component (2); a movable part (61) for adjusting the installation position between the frame (1) and the front wheel component (2) is arranged on the inner wall of one side of the eccentric box (6); a positioning shaft (62) for limiting and locking the movable part (61) is arranged on the inner wall of the other side of the eccentric box (6); the eccentric box (6) is composed of a mounting rear cover (63) and a mounting front cover (64) spliced ​​together. The front wheel component (2) is composed of a front wheel left cover (65) and a front wheel right cover (66) which are slidably connected, the mounting rear cover (63) and the mounting front cover (64) are spliced ​​and fixedly connected by bolts, one side surface of the mounting rear cover (63) and the mounting front cover (64) is provided with a coaxial straight notch (67), and the two end surfaces of the movable member (61) are fixedly connected with two convex rings (68) which are respectively slidably connected to the inner walls of the two straight notches (67); The front end of the frame (1) is connected to the convex ring (68) and the movable part (61) in sequence through a pin shaft to install the front wheel component (2). A side surface of the movable part (61) is fixedly connected to a limit block (69). A side surface of the limit block (69) is provided with two matching grooves (610) that are movably plugged with the outer surface of the positioning shaft (62). The axis of one of the matching grooves (610) is on the same horizontal center line as the axis of the front wheel component (2). The inner wall of the installation front cover (64) is provided with a driving opening (612) for placing a spring (611). The outer surface of one end of the positioning shaft (62) is movably plugged with the inner wall of the driving opening (612). A side surface of the middle part of the positioning shaft (62) is provided with a flat groove (613) that matches the limit block (69).

2. The eccentric bumping travel mechanism of a children's toy car according to claim 1, characterized in that: The outer surface of the other end of the positioning shaft (62) is movably sleeved with a button (614) for pressing and controlling the positioning shaft (62) to move along the axial direction toward the mounting rear cover (63), and a pressing opening (615) movably sleeved with the outer surface of the button (614) is provided on one side surface of the mounting front cover (64).

3. The eccentric bumping travel mechanism of a children's toy car according to claim 2, characterized in that: The inner top wall and the inner bottom wall of the driving port (612) and the pressing port (615) are both planes, thereby preventing the positioning shaft (62) from rotating in a circumferential direction when the front wheel component (2) moves. A limiting ring (616) is fixedly connected to the circumferential side surface of one end of the button (614) to prevent the button (614) from falling out of the pressing port (615).

4. A method for traveling of an eccentrically bumpy traveling mechanism of a children's toy car based on any one of claims 1 to 3, wherein the method for traveling is as follows: when the children's toy car needs to be changed from a normal and stable traveling state to a traveling state in which the head of the car moves back and forth up and down, the guardian presses the button (614) on one side of the front wheel component (2), and the positioning shaft (62) squeezes the spring (611), so that the positioning shaft (62) slides in the matching groove (610) of the limit block (69), so that the flat groove (613) of the positioning shaft (62) is flush with the limit block (69), and the seat shell (4) is pressed downward, so that the movable part (61) moves downward, and the positioning shaft The position of the front wheel component (62) remains unchanged, so that the movable part (61) moves downward, and the positioning shaft (62) is inserted into the matching groove (610) eccentric to the front wheel component (2). Then, the button (614) is released, and the spring (611) generates a thrust on the positioning shaft (62), so that the positioning shaft (62) drives the button (614) to reset, so that the flat groove (613) of the positioning shaft (62) and the limit block (69) are misaligned, thereby realizing the eccentric installation of the front wheel component (2). When the children's toy car moves, due to the eccentric installation of the front wheel component (2), the front part of the children's toy car is in an up and down bumping state when moving, which increases the fun of the children's toy car.

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