Folding child's vehicle

Abstract

The application discloses a folding child's vehicle, which comprises a rear vehicle frame, a front vehicle frame, a front side rod, a rear side rod, a pedal rod and a connecting rod. The bottom of the rear vehicle frame is connected with wheels, and a seat is connected to the rear vehicle frame. The front vehicle frame is movably connected with the rear vehicle frame. The front part of the front side rod is rotatably connected with the front vehicle frame. The outer end of the rear side rod is rotatably connected with the rear part of the front side rod, and the inner end of the rear side rod is rotatably connected with the rear vehicle frame. The outer end of the rear side rod or the rear part of the front side rod is connected with a rear side wheel. The pedal rod is rotatably connected with the front vehicle frame. The connecting rod is movably connected with the rear vehicle frame, and the front part of the connecting rod is slidably and rotatably connected with the pedal rod. The folding child's vehicle is folded through the connecting rod mechanism, and the whole vehicle structure is simple and novel. The folding operation is convenient, and the folded vehicle has a small volume.

Description

TECHNICAL FIELD

[0001] The present application relates to a folding children's vehicle, and belongs to children's toys. BACKGROUND

[0002] The folding children's vehicle is a toy driven by children, which generally comprises a vehicle body, wheels, a seat and the like, is driven by a motor or by the pedals of children, and a transmission mechanism drives the wheels to rotate. In order to facilitate carrying and storage, the folding children's vehicle is designed to be foldable. The children's vehicle generally has a sliding function, and the folding children's vehicle with the sliding function is mostly of a vertical structure. The children's vehicle of a sitting type in the prior art has not been designed to be foldable. SUMMARY

[0003] In order to solve the above problems, the present application aims to provide a folding children's vehicle.

[0004] In order to achieve the above purpose, the technical scheme adopted by the present application is as follows: a folding children's vehicle, which comprises

[0005] a rear frame, the bottom of which is connected with wheels, and a seat is connected to the rear frame;

[0006] a front frame, which is movably connected with the rear frame in the front-rear direction;

[0007] a front side rod, the front part of which is rotatably connected with the front frame;

[0008] a rear side rod, the outer end of which is rotatably connected with the rear part of the front side rod, and the inner end of the rear side rod is rotatably connected with the rear frame, and the outer end of the rear side rod or the rear part of the front side rod is connected with a rear side wheel.

[0009] Further, the front frame and the rear frame both extend in the front-rear direction, and the front frame is slidably connected with the rear frame.

[0010] Further, the front frame is inserted into the rear frame from the front end of the rear frame, and a guide slot is formed in the rear frame, and the first rotating shaft between the front frame and the front side rod is slidably arranged in the guide slot.

[0011] Further, the folding children's vehicle further comprises a pedal rod rotatably connected with the front frame, and a connecting rod movably connected with the rear frame in the front-rear direction, and the front part of the connecting rod is slidably and rotatably connected with the pedal rod.

[0012] Further, the pedal rod is connected with a second rotating shaft, and the second rotating shaft is slidably arranged in the front part of the connecting rod.

[0013] Further, the second rotating shaft slides in the left-right direction.

[0014] Further, the front part of the connecting rod is provided with a sliding slot, and the second rotating shaft is slidably arranged in the sliding slot.

[0015] Furthermore, the front portion of the connecting rod has a joint extending in the left-right direction, and the sliding groove is provided on the joint.

[0016] Furthermore, the rear frame includes an insertion tube, and the connecting rod is inserted into the insertion tube from the front end thereof from the front to the rear.

[0017] Furthermore, there are two front side rods, two rear side rods and two footrest rods, which are symmetrically arranged on the left and right sides of the front frame and the rear frame.

[0018] Furthermore, the connecting rod is located on the symmetry plane of the folding baby stroller.

[0019] Furthermore, the wheels include a rear wheel connected to the rear side of the bottom of the rear frame, and a front wheel connected to the left and right sides of the rear frame and located in front of the rear wheel.

[0020] Furthermore, there are multiple sliding gears between the front frame and the rear frame, and a limiting mechanism is provided between the front frame and the rear frame to lock the two at corresponding sliding gears.

[0021] By adopting the above technical solution, the foldable children's vehicle of the present invention realizes the folding of the sitting children's scooter through the connecting rod mechanism. The whole vehicle has a simple and novel structure, is easy to fold, and has a small volume after folding. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Attachment Figure 1 This is a schematic structural diagram of the foldable baby stroller of the present invention in the open state;

[0023] Attachment Figure 2 For attachment Figure 1 Schematic diagram of the three-dimensional structure;

[0024] Attachment Figure 3 This is a schematic structural diagram of the foldable baby stroller of the present invention during the folding process;

[0025] Attachment Figure 4 For attachment Figure 3 Schematic diagram of the three-dimensional structure;

[0026] Attachment Figure 5 The folding baby carriage of the present invention is attached Figure 2 Schematic diagram of the structure further folded on the basis;

[0027] Attachment Figure 6 For attachment Figure 5 Schematic diagram of the three-dimensional structure;

[0028] Attachment Figure 7 This is a schematic structural diagram of the foldable baby stroller of the present invention in a folded state;

[0029] Attachment Figure 8 For attachment Figure 7 Schematic diagram of the three-dimensional structure.

[0030] Reference signs in the drawings are:

[0031] 1. rear frame; 11. guide slot; 12. insertion tube; 13. first sliding slot; 2. front frame; 3. front side rod; 31. first rotating shaft; 4. rear side rod; 5. foot rod; 51. second rotating shaft; 6. connecting rod; 61. second sliding slot; 62. joint; 63. pin; 7. seat; 80. rear wheel; 81. front side wheel; 82. rear side wheel. DETAILED DESCRIPTION

[0032] The preferred embodiments of the present application will be described in detail with reference to the drawings, so that the advantages and features of the present application can be more easily understood by those skilled in the art.

[0033] Reference is made to the accompanying drawings that show, by way of example, the principles of the application. Figure 1 To the accompanying drawings that show, by way of example, the principles of the application. Figure 8 The folding child's vehicle in the present embodiment comprises a rear frame 1, a front frame 2, a front side rod 3, and a rear side rod 4.

[0034] The bottom of the rear frame 1 is connected with wheels, specifically, the wheels comprise a rear wheel 80 connected at the rear side of the bottom of the rear frame 1, and front side wheels 81 connected at the left and right sides of the rear frame 1 and located in front of the rear wheel 80. The folding child's vehicle in the present embodiment is driven by an electric motor, and the rear wheel 80 is the driving wheel. A seat 7 is connected to the rear frame 1, specifically, the seat 7 is located above the rear wheel 80.

[0035] The front frame 2 is movably connected with the rear frame 1 in the front-rear direction. Specifically, the front frame 2 and the rear frame 1 both extend in the front-rear direction, and the front frame 2 is U-shaped with its opening facing the rear. The front frame 2 is inserted into the rear frame 1 from the front end of the rear frame 1.

[0036] The front part of the front side rod 3 is rotatably connected with the front frame 2. Specifically, the front frame 2 and the front side rod 3 are rotatably connected through a first rotating shaft 31, and a guide slot 11 is formed in the rear frame 1, and the first rotating shaft 31 is slidably arranged in the guide slot 11.

[0037] The outer end of the rear side rod 4 is rotatably connected with the rear part of the front side rod 3, and the inner end of the rear side rod 4 is rotatably connected with the rear frame 1. It should be noted that the inner-outer direction in the present embodiment refers to the direction close to the symmetry plane of the folding child's vehicle as the inner direction, and the direction away from the symmetry plane of the folding child's vehicle as the outer direction. The outer end of the rear side rod 4 or the rear part of the front side rod 3 is connected with a rear side wheel 82, and in the present embodiment, the rear side wheel 82 is connected to the outer end of the rear side rod 4.

[0038] In a more preferred embodiment, the folding child's vehicle further comprises a foot rod 5 and a connecting rod 6.

[0039] The pedal rod 5 is rotatably connected with the front frame 2. Specifically, the pedal rod 5 is located at the front of the front frame 2.

[0040] The connecting rod 6 is movably connected with the rear frame 1, and specifically, the connecting rod 6 is located on the symmetry plane of the folding baby carriage. The rear frame 1 has a pipe 12 also located on the symmetry plane of the folding baby carriage, and the connecting rod 6 is inserted into the pipe 12 from the front end of the pipe 12. The extending direction of the pipe 12 is consistent with the extending direction of the guide slot 11.

[0041] In a more preferred embodiment, the pipe 12 is provided with a first sliding slot 13, and the connecting rod 6 is provided with a pin 63 movably located in the first sliding slot 13. Through the cooperation of the pin 63 and the first sliding slot 13, the sliding guide function between the pipe 12 and the connecting rod 6 and the limiting function are realized. When the folding baby carriage is in the open state, the pin 63 is located at the front end of the first sliding slot 13, and when the folding baby carriage is in the folded state, the pin 63 is located at the rear end of the first sliding slot 13. The front part of the connecting rod 6 is slidably and rotatably connected with the pedal rod 5. The connection between the connecting rod 6 and the pedal rod 5 is located behind the connection between the front frame 2 and the pedal rod 5. Specifically, the inner end of the pedal rod 5 is connected with a second rotating shaft 51, and the second rotating shaft 51 is slidably arranged in the front part of the connecting rod 6. More specifically, the front part of the connecting rod 6 is provided with a sliding slot 61, and the second rotating shaft 51 is slidably arranged in the sliding slot 61. In this embodiment, the second rotating shaft 51 slides in the left-right direction, the front part of the connecting rod 6 has a joint 62 extending in the left-right direction, and the sliding slot 61 is arranged on the joint 62.

[0042] The front side rods 3, the rear side rods 4 and the pedal rods 5 are all two and symmetrically arranged on the left and right sides of the front frame 2 and the rear frame 1.

[0043] In a more preferred embodiment, the part of the pedal rod 5 between the connection with the front frame 2 and the second rotating shaft 51 is arc-shaped, so that the two pedal rods 5 and the joint 61 together form a U shape after the folding baby carriage is folded, so that the pedal rod 5 is more fitted to the front frame 1 after the folding.

[0044] After the folding baby carriage is folded, the two front side rods 3 are located at the outermost sides of the left and right sides of the vehicle body, so in a more preferred embodiment, the front part and the rear part of the front side rod 3 are both bent inward, so that after the folding baby carriage is folded, the two sides of the vehicle body do not have too protruding edges, preventing scratching.

[0045] The folding baby carriage further comprises a locking device for locking the whole vehicle in the open state.

[0046] In a more preferable embodiment, a plurality of sliding positions are provided between the front frame 2 and the rear frame 1, and a limiting mechanism is provided between the front frame 2 and the rear frame 1 to lock them in the corresponding sliding position. The limiting mechanism can be a pin-hole structure or other prior art structure. By providing a plurality of sliding positions between the front frame 2 and the rear frame 1, the distance between the footrest 5 and the seat 7 can be adjusted to accommodate children of different heights.

[0047] Working principle:

[0048] The folding child's vehicle is in the open state, as shown in Figure 1 and Figure 2 , the footrest 5 extends in the left-right direction, and the front side rods 3 and the rear side rods 4 on the left and right sides respectively form wings on the left and right sides of the rear frame 2. When folding is required, as shown in Figure 3 and Figure 4 , the front frame 1 is pushed backward, and the front frame 1 is gradually inserted into the rear frame 2, thereby driving the front side rods 3 and the rear side rods 4 to rotate backward and approach the rear frame 2. At the same time, the front frame 1 moves backward, and the connecting rod 6 is driven by the footrest 5 to move backward and insert into the insertion pipe 12; further pushing the front frame 1 backward, as shown in Figure 5 and Figure 6 , the joint 62 at the front of the connecting rod 6 abuts against the front end of the insertion pipe 12, and the connecting rod 6 no longer moves backward, and the front frame 1 continues to move backward, thereby driving the footrest 5 to rotate backward, and the footrest 5 on the left and right sides respectively approaches the left and right sides of the front frame 1. Until the vehicle is completely folded, as shown in Figure 7 and Figure 8 .

[0049] The folding child's vehicle realizes the folding of the sitting child's slide vehicle through the connecting rod mechanism, has simple and novel structure, is easy to fold, and has small size after folding.

[0050] The above embodiments are only for illustrating the technical concept and characteristics of the present application, and the purpose is to enable those skilled in the art to understand the content of the present application and implement it, and cannot limit the protection scope of the present application. Any equivalent changes or modifications made according to the spirit and essence of the present application shall be covered within the protection scope of the present application.

Claims

1. A folding baby carriage having an unfolded state and a folded state, characterized in that: it comprises: a rear frame (1) having wheels connected to the bottom thereof, and a seat (7) connected to the rear frame (1); a front frame (2) movably connected to the rear frame (1) in a front-rear direction, the front frame (2) being slidably connected to the rear frame (1); a front side rod (3) having a front end rotatably connected to the front frame (2), the front side rod (3) extending outwardly from front to rear when the folding baby carriage is in the unfolded state; and a rear side rod (4) having an outer end rotatably connected to a rear end of the front side rod (3), and an inner end rotatably connected to the rear frame (1), the outer end of the rear side rod (4) or the rear end of the front side rod (3) being connected to a rear side wheel (82), the rotatable connection between the front side rod (3) and the front frame (2) being located in front of the rotatable connection between the rear side rod (4) and the rear frame (1); the front side rod (3) and the rear side rod (4) are both provided symmetrically on left and right sides of the front frame (2) and the rear frame (1), and the front side rod (3) and the rear side rod (4) on the left and right sides of the folding baby carriage respectively form wings on the left and right sides of the rear frame (2) when the folding baby carriage is in the unfolded state; and when the folding baby carriage is converted from the unfolded state to the folded state, the front frame (1) is pushed rearward, thereby driving the front side rod (3) and the rear side rod (4) to rotate rearward and move closer to the rear frame (2). The front frame (2) and the rear frame (1) both extend in the front-rear direction. The front frame (2) is inserted into the rear frame (1) from front to rear, the rear frame (1) is provided with a guide slot (11), the front frame (2) and the front side rod (3) are connected by a first rotating shaft (31), and the first rotating shaft (31) is slidably arranged in the guide slot (11). The folding baby carriage further comprises a foot pedal rod (5) rotatably connected to the front frame (2), and a connecting rod (6) movably connected to the rear frame (1), a front end of the connecting rod (6) being slidably and rotatably connected to the foot pedal rod (5). The foot pedal rod (5) is provided with a second rotating shaft (51) slidably arranged in the front end of the connecting rod (6). The second rotating shaft (51) slides in the left-right direction. The front end of the connecting rod (6) is provided with a sliding slot (61), and the second rotating shaft (51) is slidably arranged in the sliding slot (61).

2. The stroller of claim 1, wherein: The front end of the connecting rod (6) is provided with a joint (62) extending in the left-right direction, and the sliding slot (61) is arranged on the joint (62).

3. The stroller of claim 1, wherein: The rear frame (1) comprises a pipe (12), and the connecting rod (6) is inserted into the pipe (12) from front to rear.

4. The stroller of claim 1, wherein: The connecting rod (6) is located on a symmetry plane of the folding baby carriage.

5. The stroller of claim 4, wherein: ​ 6. The stroller of claim 5, wherein: ​ 7. The stroller of claim 5, wherein: ​ 8. The stroller of claim 7, wherein: ​ 9. The stroller of claim 4, wherein: ​ 10. The stroller of claim 4, wherein: ​ 11. The stroller of claim 1, wherein: The rear wheel (80) is connected to the rear side of the bottom of the rear frame (1), and the front side wheel (81) is connected to the left and right sides of the rear frame (1) and located in front of the rear wheel (80).

12. The stroller of claim 1, wherein: The front frame (2) and the rear frame (1) have multiple sliding gears, and the front frame (2) and the rear frame (1) are provided with limiting mechanisms for locking the two in corresponding sliding gears.

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