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CN-224225212-U - Children tricycle

CN224225212UCN 224225212 UCN224225212 UCN 224225212UCN-224225212-U

Abstract

The utility model discloses a child tricycle, which comprises a main frame, wherein the front side of the main frame is connected with a steering assembly with a front wheel, the rear side of the main frame is connected with a rear supporting assembly, the rear supporting assembly comprises a left rear leg and a right rear leg which are connected with the left side and the right side of the main frame, the lower ends of the left rear leg and the right rear leg are connected with rear wheels, a seat is arranged on the main frame, a push rod assembly which extends in an upward inclined manner is also arranged on the main frame or the seat, the push rod assembly comprises a left push rod and a right push rod which are arranged on the left side and the right side of the seat at intervals, a yielding space is formed between the left push rod and the right push rod, and a pushing handle is connected with the upper ends of the left push rod and the right push rod. The utility model has simple structure and good stability, and can enable children to sit in a semi-lying or lying way.

Inventors

  • LIAO ZHENGHUI

Assignees

  • 中山市星尚婴儿用品有限公司

Dates

Publication Date
20260512
Application Date
20231205

Claims (9)

  1. 1. The children tricycle is characterized by comprising a main frame (1), wherein the front side of the main frame (1) is connected with a steering assembly (2) with a front wheel (2 a), the rear side of the main frame (1) is connected with a rear supporting assembly (3), the rear supporting assembly (3) comprises a left rear leg (31) and a right rear leg (32) which are connected to the left side and the right side of the main frame (1), the lower ends of the left rear leg (31) and the right rear leg (32) are connected with a rear wheel (3 a), the main frame (1) is provided with a seat (4), the main frame (1) or the seat (4) is also provided with a push rod assembly (5) which extends in an upward inclined mode, the push rod assembly (5) comprises a left push rod (51) and a right push rod (52) which are arranged on the left side and the right side of the seat (4) at intervals, a yielding space (50) is formed between the left push rod (51) and the right push rod (52), and the upper ends of the left push rod (51) and the right push rod (52) are connected with a push rod (53).
  2. 2. The child tricycle according to claim 1, wherein the left push rod (51) comprises a left lower push rod (511) connected with the main frame (1) or the seat (4), the right push rod (52) comprises a right lower push rod (521) connected with the main frame (1) or the seat (4), a left upper push rod (512) capable of sliding and stretching relative to the left lower push rod (511) is connected with the right lower push rod (521), a right upper push rod (522) capable of sliding and stretching relative to the right lower push rod (521) is connected with the right lower push rod (522), and the push handle (53) is arranged at the upper ends of the left upper push rod (512) and the right upper push rod (522) and connected with the left upper push rod and the right upper push rod.
  3. 3. The child tricycle according to claim 1, wherein the left push rod (51) comprises a left lower push rod (511) connected with the main frame (1) or the seat (4), the right push rod (52) comprises a right lower push rod (521) connected with the main frame (1) or the seat (4), the left lower push rod (511) is connected with a left upper push rod (512) capable of being unfolded or folded in a rotating manner relative to the left lower push rod (511), the right lower push rod (521) is connected with a right upper push rod (522) capable of being unfolded or folded in a rotating manner relative to the right lower push rod (521), and the push handle (53) is arranged at the upper ends of the left upper push rod (512) and the right upper push rod (522) and is connected with the left upper push rod and the right upper push rod (522).
  4. 4. A child tricycle according to any one of claims 1 to 3 characterised in that the steering assembly (2) comprises a connection seat (21) rotatably connected to the main frame (1) about a first axis (A), a steering fork (22) rotatable relative to the connection seat (21) is provided in the connection seat (21), the front wheel (2 a) is provided on the steering fork (22), the steering fork (22) is connected at its upper end with a steering handle (23), the left and right rear legs (31, 32) are rotatably connected to the main frame (1) about a second axis (B), and the push rod assembly (5) is rotatably connected to the main frame (1) or the seat (4) about a third axis (C).
  5. 5. The children tricycle of claim 4, wherein a first transmission mechanism (7) capable of pushing the steering assembly (2) to rotate and fold relative to the main frame (1) when the push rod assembly (5) rotates and folds relative to the main frame (1) is arranged between the lower end of the push rod assembly (5) and the connecting seat (21), and a second transmission mechanism (8) capable of pushing the left rear leg (31) and the right rear leg (32) to rotate and fold relative to the main frame (1) when the steering assembly (2) rotates and folds relative to the main frame (1) is arranged between the connecting seat (21) and the rear support assembly (3).
  6. 6. The tricycle for children according to claim 5, wherein the first transmission mechanism (7) comprises a rotating part (71) which is arranged at the lower end of the push rod assembly (5) and can rotate around a third axis (C), a first transmission rod (72) is hinged on the rotating part (71) around a fourth axis (D) and deviates from the third axis (C), and the other end of the first transmission rod (72) is hinged on the connecting seat (21) around a fifth axis (E) and deviates from the first axis (A).
  7. 7. The child tricycle according to claim 5, wherein the rear support assembly (3) further comprises a rotating seat (33) arranged at the upper ends of the left rear leg (31) and the right rear leg (32), the second transmission mechanism (8) comprises a plurality of teeth (81) arranged on the rotating seat (33) along the circumferential direction, the main frame (1) is rotatably connected with a transmission gear (82) capable of being meshed with the teeth (81), a second transmission rod (83) is hinged at the eccentric position of the transmission gear (82) around a sixth axis (F), and the other end of the second transmission rod (83) is hinged on the connecting seat (21) around a seventh axis (G) and is deviated from the position of the first axis (A).
  8. 8. The child tricycle according to claim 2, wherein the push rod assembly (5) further comprises a roof support (54) for supporting a roof, the left upper push rod (512) and the right upper push rod (522) are provided with connecting rods (55) extending downwards, the roof support (54) comprises a collar (541) which is arranged at the lower end of the connecting rods (55) and sleeved on the left lower push rod (511) and the right lower push rod (521) and can follow sliding when the left upper push rod (512) and the right upper push rod (522) slide relative to the left lower push rod (511) and the right lower push rod (521), the collar (541) is provided with mounting seats (542), and the mounting seats (542) are connected with U-shaped support rods (543) capable of supporting a roof tarpaulin (59).
  9. 9. The children tricycle of claim 2, wherein the left lower push rod (511) and the right lower push rod (521) are detachably connected with a U-shaped handrail (56), T-shaped inserting ports are formed in two ends of the U-shaped handrail (56), and T-shaped inserting seats (57) which can be matched with the inserting ports in an inserting mode are formed in the left lower push rod (511) and the right lower push rod (521).

Description

Children tricycle Technical Field The utility model relates to a child tricycle. Background Child tricycles are a common product in the course of child growth. The traditional children tricycle generally comprises a main frame, a steering assembly, a rear supporting assembly, a seat, a backrest plate and a T-shaped push rod for pushing by a person, wherein the push rod is arranged at the rear side of the backrest plate, so that the existing children tricycle has the defects that 1, the push rod is arranged at the rear side of the backrest plate, so that the backrest plate cannot be adjusted backwards, a child cannot be in a semi-lying or lying posture when sitting, and 2, the T-shaped push rod is poor in stability when pushing the children tricycle, and is easy to incline to the side when encountering uneven road surfaces. The present utility model has been made in view of the above drawbacks. Disclosure of utility model The utility model aims to overcome the defects of the prior art and provide the children tricycle which has a simple structure and good stability and can enable children to sit in a semi-lying or lying way. The utility model is realized by the following technical scheme: The utility model provides a children tricycle, includes main frame 1, main frame 1 front side be connected with have the steering assembly 2 of front wheel 2a, main frame 1 rear side be connected with back supporting component 3, back supporting component 3 including connecting left back leg 31 and the right back leg 32 in main frame 1 left and right sides, left back leg 31 and right back leg 32 lower extreme be connected with rear wheel 3a, main frame 1 on be equipped with seat 4, main frame 1 or seat 4 on still be equipped with upward slope extension's push rod subassembly 5, push rod subassembly 5 include left push rod 51 and right push rod 52 that set up in the left and right sides of seat 4 each other at the interval, left push rod 51 and right push rod 52 between form space 50 that gives way, left push rod 51 and right push rod 52 upper end be connected with push handle 53. The left push rod 51 comprises a left lower push rod 511 connected with the main frame 1 or the seat 4, the right push rod 52 comprises a right lower push rod 521 connected with the main frame 1 or the seat 4, the left lower push rod 511 is connected with an upper left push rod 512 capable of sliding and stretching relative to the left lower push rod, the right lower push rod 521 is connected with an upper right push rod 522 capable of sliding and stretching relative to the right lower push rod 521, and the push handle 53 is arranged at the upper ends of the upper left push rod 512 and the upper right push rod 522 and is connected with the upper left push rod 512 and the upper right push rod 522. The left push rod 51 comprises a left lower push rod 511 connected with the main frame 1 or the seat 4, the right push rod 52 comprises a right lower push rod 521 connected with the main frame 1 or the seat 4, the left lower push rod 511 is connected with an upper left push rod 512 which can be unfolded or folded in a rotating way relative to the left lower push rod, the right lower push rod 521 is connected with an upper right push rod 522 which can be unfolded or folded in a rotating way relative to the right lower push rod 521, and the push handle 53 is arranged at the upper ends of the upper left push rod 512 and the upper right push rod 522 and is connected with the upper left push rod 512 and the upper right push rod 522. The steering assembly 2 comprises a connecting seat 21 rotatably connected with the main frame 1 around a first axis A, a steering fork 22 capable of rotating relative to the connecting seat 21 is arranged in the connecting seat, a front wheel 2a is arranged on the steering fork 22, the upper end of the steering fork 22 is connected with a steering handle 23, a left rear leg 31 and a right rear leg 32 are rotatably connected with the main frame 1 around a second axis B, and the push rod assembly 5 is rotatably connected with the main frame 1 or the seat 4 around a third axis C. The lower end of the push rod assembly 5 and the connecting seat 21 are provided with a first transmission mechanism 7 which can push the steering assembly 2 to rotate and fold relative to the main frame 1 when the push rod assembly 5 rotates and folds relative to the main frame 1, and a second transmission mechanism 8 which can push the left rear leg 31 and the right rear leg 32 to rotate and fold relative to the main frame 1 when the steering assembly 2 rotates and folds relative to the main frame 1 is arranged between the connecting seat 21 and the rear support assembly 3. The first transmission mechanism 7 comprises a rotating part 71 which is arranged at the lower end of the push rod assembly 5 and can rotate around a third axis C, a first transmission rod 72 is hinged on the rotating part 71 and deviates from the third axis C and around a fourth axis D