CN117401073A - Children tricycle - Google Patents

Children tricycle Download PDF

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Publication number
CN117401073A
CN117401073A CN202311657373.1A CN202311657373A CN117401073A CN 117401073 A CN117401073 A CN 117401073A CN 202311657373 A CN202311657373 A CN 202311657373A CN 117401073 A CN117401073 A CN 117401073A
Authority
CN
China
Prior art keywords
push rod
main frame
seat
assembly
axis
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202311657373.1A
Other languages
Chinese (zh)
Inventor
廖整辉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhongshan Xingshang Baby Product Co ltd
Original Assignee
Zhongshan Xingshang Baby Product Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhongshan Xingshang Baby Product Co ltd filed Critical Zhongshan Xingshang Baby Product Co ltd
Priority to CN202311657373.1A priority Critical patent/CN117401073A/en
Publication of CN117401073A publication Critical patent/CN117401073A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • B62K9/02—Tricycles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B7/00—Carriages for children; Perambulators, e.g. dolls' perambulators
    • B62B7/04—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor
    • B62B7/06—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable
    • B62B7/08—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable in the direction of, or at right angles to, the wheel axis
    • B62B7/083—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable in the direction of, or at right angles to, the wheel axis the wheel axes being moved from each other during folding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B7/00—Carriages for children; Perambulators, e.g. dolls' perambulators
    • B62B7/04—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor
    • B62B7/06—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable
    • B62B7/08—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable in the direction of, or at right angles to, the wheel axis
    • B62B7/086—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable in the direction of, or at right angles to, the wheel axis becoming smaller in all three dimensions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B9/00—Accessories or details specially adapted for children's carriages or perambulators
    • B62B9/10—Perambulator bodies; Equipment therefor
    • B62B9/102—Perambulator bodies; Equipment therefor characterized by details of the seat
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B9/00—Accessories or details specially adapted for children's carriages or perambulators
    • B62B9/10—Perambulator bodies; Equipment therefor
    • B62B9/102—Perambulator bodies; Equipment therefor characterized by details of the seat
    • B62B9/104—Perambulator bodies; Equipment therefor characterized by details of the seat with adjustable or reclining backrests
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B9/00—Accessories or details specially adapted for children's carriages or perambulators
    • B62B9/10—Perambulator bodies; Equipment therefor
    • B62B9/12—Perambulator bodies; Equipment therefor involving parts that are adjustable, attachable or detachable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B9/00—Accessories or details specially adapted for children's carriages or perambulators
    • B62B9/10—Perambulator bodies; Equipment therefor
    • B62B9/14—Equipment protecting from environmental influences, e.g. Hoods; Weather screens; Cat nets
    • B62B9/142—Equipment protecting from environmental influences, e.g. Hoods; Weather screens; Cat nets by flexible canopies, covers or nets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B9/00—Accessories or details specially adapted for children's carriages or perambulators
    • B62B9/20—Handle bars; Handles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
    • B62J1/00—Saddles or other seats for cycles; Arrangement thereof; Component parts
    • B62J1/28—Other additional equipment, e.g. back-rests for children
    • 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
    • B62K15/00—Collapsible or foldable cycles
    • B62K15/006—Collapsible or foldable cycles the frame being foldable
    • B62K15/008—Collapsible or foldable cycles the frame being foldable foldable about 2 or more axes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Environmental & Geological Engineering (AREA)
  • Automatic Cycles, And Cycles In General (AREA)

Abstract

The invention 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 invention has simple structure and good stability, and can enable children to sit in a semi-lying or lying way.

Description

Children tricycle
[ field of technology ]
The invention relates to a child tricycle.
[ background Art ]
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 adult, wherein the push rod is arranged at the rear side of the backrest plate, so that the existing children tricycle has the following defects: 1. the push rod is arranged at the rear side of the backboard, so that the backboard cannot be adjusted backwards, and a child cannot be in a half-lying or flat-lying posture when sitting; 2. the T-shaped push rod has poor stability when pushing the tricycle for children, and is easy to incline to the side face when particularly touching an uneven road surface.
The present invention has been made in view of the above drawbacks.
[ invention ]
The invention 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 invention 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 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 511, 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, 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.
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 rotationally connected with a transmission gear 82 capable of being meshed with the teeth 81, the eccentric position of the transmission gear 82 is hinged with a second transmission rod 83 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 deviates from the position of the first axis A.
The backrest 6 includes a flexible cloth bag 61 attached to the push rod assembly 5.
The push rod assembly 5 further comprises a ceiling bracket 54 for supporting a ceiling, the upper left push rod 512 and the upper right push rod 522 are provided with connecting rods 55 extending downwards, the ceiling bracket 54 comprises a collar 541 which is arranged at the lower end of the connecting rods 55 and sleeved on the lower left push rod 511 and the lower right push rod 521 and can follow sliding when the upper left push rod 512 and the upper right push rod 522 slide relative to the lower left push rod 511 and the lower right push rod 512, the collar 541 is provided with a mounting seat 542, and the mounting seat 542 is connected with a U-shaped supporting rod 543 which can support the ceiling tarpaulin 59.
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 in inserting fit with the inserting ports are formed in the left lower push rod 511 and the right lower push rod 521.
Compared with the prior art, the invention has the following advantages:
1. the push rod assembly connected to the main frame or the seat comprises the left push rod and the right push rod which are positioned at the left side and the right side of the seat, a yielding space is formed between the left push rod and the right push rod, and a barrier is not arranged in the space right behind the seat, so that after the back plate capable of rotating backwards is connected to the seat or a flexible back pocket is connected to the left push rod and the right push rod, the back plate or the back pocket can be adjusted backwards, and a child can lie half or flat, so that the child can select a riding posture according to actual needs, and the child can sit more comfortably; in addition, be connected with the pushing handle on left push rod and right push rod upper end, the adult passes through left push rod and right push rod transmission of main frame both sides through pushing handle effort when pushing away children tricycle, can make children tricycle advance more steadily, can not appear crookedly easily, and adult pushes away more conveniently.
2. The push rod assembly is driven by the first transmission mechanism to rotate and fold towards the main frame when the main frame is rotated and folded, and the steering assembly is driven by the second transmission mechanism to rotate and fold towards the main frame when the main frame is rotated and folded, so that the child tricycle can be folded and stored when not used, and the linkage folding of the steering assembly and the rear support assembly can be realized only by rotating the push rod assembly, and the folding operation is convenient and quick.
3. The ceiling support can move up and down along with the left upper push rod and the right upper push rod, when a child tricycle is pushed by a adult, the left upper push rod and the right upper push rod move up and down to be in an unfolding state, at the moment, the ceiling support is in a high position, the ceiling support can support ceiling tarpaulin to shade or keep out the wind for the child in the child tricycle, when the child hopes to ride the child tricycle by himself, the ceiling support can move down and fold with the left upper push rod and the right upper push rod, the ceiling support is in a low position, riding of the child is facilitated, and when the ceiling support is in the low position, folding of the child tricycle is facilitated, therefore, the ceiling support moves up and down together with the left upper push rod and the right upper push rod, switching between pushing by the adult or riding states of the child is facilitated, folding of the child tricycle is facilitated, and design is ingenious.
[ description of the drawings ]
FIG. 1 is a perspective view of the present invention;
FIG. 2 is one of the side views of the present invention;
FIG. 3 is a side view of the present invention during folding;
FIG. 4 is one of the perspective views of the components of the present invention;
FIG. 5 is a second perspective view of the component of the present invention;
FIG. 6 is one of the exploded views of the components of the present invention;
FIG. 7 is one of the cross-sectional views of the present invention;
FIG. 8 is a second cross-sectional view of the present invention;
FIG. 9 is a third perspective view of the components of the present invention;
FIG. 10 is a second exploded view of the components of the present invention;
FIG. 11 is a third exploded view of the components of the present invention;
FIG. 12 is a third perspective view of the components of the present invention;
fig. 13 is a second side view of the present invention.
[ detailed description ] of the invention
The invention is further described below with reference to the accompanying drawings:
as shown in fig. 1, fig. 2 and fig. 13, a child tricycle comprises a main frame 1, the front side of the main frame 1 is connected with a steering assembly 2 with a front wheel 2a, 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 3a, a seat 4 is arranged on the main frame 1, a push rod assembly 5 which extends obliquely upwards is further arranged on the main frame 1 or the seat 4, the push rod assembly 5 comprises a left push rod 51 and a right push rod 52 which are arranged at 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 handle 53. The push rod assembly 5 connected to the main frame 1 or the seat 4 includes the left push rod 51 and the right push rod 52 positioned at the left and right sides of the seat 4, and the space right behind the seat 4 is not provided with a barrier, so that after the left push rod 51 and the right push rod 52 are connected with the flexible back pocket 61, the back pocket 61 can be adjusted backwards, and the child can lie half or lie flat in the back pocket 61, so that the child can choose a riding posture according to actual needs, and riding is more comfortable; in addition, be connected with push handle 53 on left push rod 51 and right push rod 52 upper end, the adult passes through left push rod 51 and right push rod 52 transmission of main frame 1 both sides through push handle 53 effort when pushing away children's tricycle, can make children's tricycle travel more steadily, can not appear crookedly easily, and adult pushes away more conveniently.
As shown in fig. 1, 4 and 9, the left push rod 51 includes a left lower push rod 511 connected to the main frame 1 or the seat 4, the right push rod 52 includes a right lower push rod 521 connected to the main frame 1 or the seat 4, a left upper push rod 512 capable of sliding and expanding relative to the left lower push rod 511 is connected to the right lower push rod 521, a right upper push rod 522 capable of sliding and expanding relative to the right lower push rod 521 is connected to the right lower push rod 521, and a push handle 53 is disposed at the upper ends of the left upper push rod 512 and the right upper push rod 522 and connected to the left upper push rod 512 and the right upper push rod 522. Of course, the upper left push rod 512 and the upper right push rod 522 may be rotatably connected to the lower left push rod 511 and the lower right push rod 521, respectively, and when a child tricycle is pushed by a adult, the upper left push rod 512 and the upper right push rod 522 are rotated and unfolded relative to the lower left push rod 511 and the lower right push rod 521, and when the child tricycle is not pushed by the adult, the upper left push rod 512 and the upper right push rod 522 are rotated and folded relative to the lower left push rod 511 and the lower right push rod 521.
As shown in fig. 2 and 3, the steering assembly 2 includes a connecting seat 21 rotatably connected to the main frame 1 around a first axis a, a steering fork 22 capable of rotating relative to the connecting seat 21 is disposed in the connecting seat, a front wheel 2a is disposed on the steering fork 22, a steering handle 23 is connected to the upper end of the steering fork 22, a left rear leg 31 and a right rear leg 32 are rotatably connected to the main frame 1 around a second axis B, and the push rod assembly 5 is rotatably connected to the main frame 1 or the seat 4 around a third axis C. Therefore, when the child tricycle needs to be folded, the upper left push rod 512 and the upper right push rod 522 are slid downwards to retract into the lower left push rod 511 and the lower right push rod 521, and then the push rod assembly 5 is rotated forwards, the push rod assembly 5 is rotated towards the main frame 1 around the third axis C, the steering assembly 2 is rotated towards the main frame 1 around the first axis A, and the rear left leg 31 and the rear right leg 32 are rotated towards the main frame 1 around the second axis B.
As shown in fig. 2 and 3 and fig. 5 to 8, 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. The push rod assembly 5 is rotated and folded relative to the main frame 1 through the first transmission mechanism 7 when being rotated and folded relative to the main frame 1, the steering assembly 2 is rotated and folded relative to the main frame 1 through the second transmission mechanism 8 when being rotated and folded relative to the main frame 1, so that the child tricycle can be folded and stored when not used, and the linkage folding of the steering assembly 2 and the rear support assembly 3 can be realized only by rotating the push rod assembly 5, so that the folding operation is convenient and quick.
As shown in fig. 5 to 8, the first transmission mechanism 7 includes a rotating portion 71 provided at the lower end of the push rod assembly 5 and capable of rotating around a third axis C, a first transmission rod 72 is hinged on the rotating portion 71 and offset from the third axis C around a fourth axis D, and the other end of the first transmission rod 72 is hinged on the connection seat 21 around a fifth axis E and offset from the first axis a. When the push rod assembly 5 rotates around the third axis C, the push rod assembly 5 pushes the second transmission rod 72, and the second transmission rod 72 pushes the connecting seat 21 to rotate around the first axis a relative to the main frame 1, so that linkage driving of the push rod assembly 5 to the steering assembly 2 is achieved.
As shown in fig. 5 to 8, the rear support assembly 3 further includes a rotating seat 33 provided at the upper ends of the left rear leg 31 and the right rear leg 32, the second transmission mechanism 8 includes a plurality of teeth 81 provided on the rotating seat 33 and disposed along the circumferential direction, the main frame 1 is rotatably connected with a transmission gear 82 capable of meshing with the teeth 81, the eccentric position of the transmission gear 82 is hinged with a second transmission rod 83 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. When the connecting seat 21 is pushed by the first transmission rod 72 to rotate around the first axis a, the connecting seat 21 pulls the second transmission rod 83, the second transmission rod 83 pulls the transmission gear 82 to rotate, and the transmission gear 82 rotates the rotating seat 33 through cooperation with the teeth 81, so that the left rear leg 31 and the right rear leg 32 are folded in a rotating manner relative to the main frame 1. The whole transmission structure is simple and compact, so that the child tricycle is flexible to fold.
As shown in fig. 7 and 8, the first transmission rod 72 and the second transmission rod 83 are hinged at the same position on the connecting seat 21.
As shown in fig. 1 and fig. 9 to fig. 13, the push rod assembly 5 further includes a ceiling bracket 54 for supporting a ceiling, the upper left push rod 512 and the upper right push rod 522 are provided with a connecting rod 55 extending downward, the ceiling bracket 54 includes a collar 541 which is provided at a lower end of the connecting rod 55 and is sleeved on the lower left push rod 511 and the lower right push rod 521, and can follow sliding movement of the upper left push rod 512 and the upper right push rod 522 relative to the lower left push rod 511 and the lower right push rod 512 when the upper left push rod 512 and the lower right push rod 512 slide, the collar 541 is provided with a mounting seat 542, and the mounting seat 542 is connected with a U-shaped supporting rod 543 capable of supporting the ceiling tarpaulin 59. When a child pushes the tricycle, the left push rod 512 and the right push rod 522 move upwards to be in an unfolding state, at the moment, the roof support 54 is in a high position, the roof support 54 can support the roof tarpaulin 59 to shade or keep out the wind for the child in the tricycle, when the child wants to ride the tricycle by himself, the roof support 54 can move downwards with the left push rod 512 and the right push rod 522 to be folded, the roof support 54 is in a low position to facilitate the riding of the child, and when the roof support 54 is in a low position, the folding of the tricycle is also facilitated, so that the roof support 54 moves up and down together with the left push rod 512 and the right push rod 522 to facilitate the switching between the pushing state of the child or the riding state of the child by himself and the folding of the tricycle is also facilitated. The U-shaped supporting rod 543 is connected to the collar 541, and the collar 541 is connected to the upper left push rod 512 and the upper right push rod 522 through the connecting rod 55, so that when the upper left push rod 512 and the upper right push rod 522 move up and down, the collar 541 is driven by the connecting rod 55 to slide along the lower left push rod 511 and the lower right push rod 521, so that the U-shaped supporting rod 543 moves up and down, and the design is ingenious.
As shown in fig. 9 to 11, the mounting seat 542 includes a fixed seat 5421 disposed on the collar 541, a plurality of positioning teeth 544 are disposed on the fixed seat 5421 along a circumferential direction, a movable seat 5422 capable of rotating relative to the fixed seat 5421 is connected to a lower end of the U-shaped supporting rod 543, and a positioning groove 545 capable of being matched with the positioning teeth 544 to enable the U-shaped supporting rod 543 to stay at a desired position is disposed on the movable seat 5422 along a circumferential direction. Through the cooperation of constant head tank 545 and positioning tooth 544, just can realize through the extrusion of constant head tank 545 and positioning tooth 544 contact surface that U-shaped bracing piece 543 rotates to expand or rotate folding and location when exerting effort to U-shaped bracing piece 543 for the expansion or the receipts of ceiling tarpaulin 59 are convenient and fast.
As shown in fig. 11, the upper end of the connecting rod 55 is further provided with a transverse rod 58 capable of supporting a backrest pocket 61.
As shown in fig. 1 and 12, the left lower push rod 511 and the right lower push rod 521 are detachably connected with a U-shaped handrail 56, two ends of the U-shaped handrail 56 are provided with T-shaped sockets (not shown in the drawings), and the left lower push rod 511 and the right lower push rod 521 are provided with T-shaped sockets 57 capable of being in plug-in fit with the sockets. When a child rides the U-shaped handrail, the U-shaped handrail is convenient for children to grasp, safety is ensured, and when the child rides the U-shaped handrail, the U-shaped handrail can be taken down.
As shown in fig. 4 and 7, the connecting seat 21 is provided with a locking groove 91, a locking pin 92 capable of sliding in the locking groove 91 and being engaged with or disengaged from the locking groove 91 is provided in the main frame 1, an operation portion 93 capable of being gripped by a hand and sliding relative to the main frame 1 is provided at the rear end of the main frame 1, an annular structure 94 capable of being penetrated by a finger is provided at the rear end of the main frame 1, the operation portion 93 is provided at the inner side of the annular structure 94, a cable (not shown in the drawing) capable of pulling the locking pin 92 out of the locking groove 91 when the operation portion 93 is gripped is provided between the operation portion 93 and the locking pin 92, a first return spring 95 capable of pushing the locking pin 92 to return is provided in the main frame 1, a latch lock capable of locking the locking pin 92 is provided between the rotation portion 71 and the main frame 1, and a button 96 capable of being pushed by a thumb to unlock the latch lock when the operation portion 93 is gripped by the hand is provided on the main frame 1 and above the operation portion 93. When it is necessary to fold the child tricycle, the fingers except the thumb pass through the annular structure 94 and grasp the operation portion 93, at this time the operation portion 93 pulls the lock pin 92 out of the lock groove 91 through the cable, and the button 96 can be pressed with the thumb while grasping the operation portion 93, so that the latch lock is unlocked, and thus, the unlocking operation is very convenient and quick, and the push rod assembly 5 and the steering assembly 2 are simultaneously unlocked. The latch lock can adopt a locking structure of a traditional locking hole and a locking pin, and the details are not repeated here.
As shown in fig. 12, the seat 4 is provided with a movable plate 41 capable of moving outwards to extend the front-rear length of the seat 4, and the movable plate 41 extends the front-rear length of the seat 4 when moving outwards, so that a child can sleep in a tricycle in a lying manner, and when the child does not need to lie in a lying manner, the movable plate 41 can be folded into the seat 4.

Claims (10)

1. A child tricycle, characterized in that: including main frame (1), main frame (1) front side be connected with steering assembly (2) that have front wheel (2 a), main frame (1) rear side be connected with back supporting component (3), back supporting component (3) including connecting left back leg (31) and 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 (3 a), main frame (1) on be equipped with seat (4), main frame (1) or seat (4) on still be equipped with push rod assembly (5) that upwards slope extends, push rod assembly (5) including left push rod (51) and right push rod (52) of mutual interval setting in seat (4) left and right sides, left push rod (51) and right push rod (52) between form space (50) of stepping down, left push rod (51) and right push rod (52) upper end be connected with push handle (53).
2. The child tricycle of 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 an upper left push rod (512) which can slide and stretch relatively to the left lower push rod, the right lower push rod (521) is connected with an upper right push rod (522) which can slide and stretch relatively 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 and the upper right push rod.
3. The child tricycle of 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 an upper left push rod (512) which can be unfolded or folded in a rotating way relative to the left lower push rod (511), 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 and the upper right push rod.
4. A child tricycle according to any one of claims 1 to 3, characterised in that: 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 is arranged in the connecting seat (21), a front wheel (2 a) 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 onto the main frame (1) around a second axis (B), and a push rod assembly (5) is rotatably connected onto the main frame (1) or the seat (4) around a third axis (C).
5. The child tricycle of claim 4, wherein: the folding bicycle is characterized in that 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. The child tricycle of 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), the rotating part (71) is hinged with a first transmission rod (72) around a fourth axis (D) in a position deviating from the third axis (C), and the other end of the first transmission rod (72) is hinged with the connecting seat (21) around a fifth axis (E) in a position deviating from the first axis (A).
7. The child tricycle of 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) and arranged along the circumferential direction, the main frame (1) is rotationally connected with a transmission gear (82) capable of being meshed with the teeth (81), the eccentric position of the transmission gear (82) is hinged with a second transmission rod (83) 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 deviates from the position of the first axis (A).
8. The child tricycle of claim 1, wherein: the backrest (6) comprises a flexible cloth bag (61) connected to the push rod assembly (5).
9. The child tricycle of claim 2, wherein: the push rod assembly (5) also comprises a ceiling bracket (54) for supporting a ceiling, wherein the left upper push rod (512) and the right upper push rod (522) are provided with connecting rods (55) which extend downwards, the ceiling bracket (54) comprises U-shaped supporting rods (543) which are arranged at the lower ends of the connecting rods (55) and sleeved on the left lower push rod (511) and the right lower push rod (521) and can follow the sliding lantern rings (541) 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 (512), the lantern rings (541) are provided with mounting seats (542), and the mounting seats (542) are connected with U-shaped supporting rods (543) which can support the ceiling tarpaulin (59).
10. The child 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 in inserting fit with the inserting ports are formed in the left lower push rod (511) and the right lower push rod (521).
CN202311657373.1A 2023-12-05 2023-12-05 Children tricycle Pending CN117401073A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311657373.1A CN117401073A (en) 2023-12-05 2023-12-05 Children tricycle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311657373.1A CN117401073A (en) 2023-12-05 2023-12-05 Children tricycle

Publications (1)

Publication Number Publication Date
CN117401073A true CN117401073A (en) 2024-01-16

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311657373.1A Pending CN117401073A (en) 2023-12-05 2023-12-05 Children tricycle

Country Status (1)

Country Link
CN (1) CN117401073A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220177068A1 (en) * 2019-04-15 2022-06-09 Jiaxing Xiaohuzi Bike Factory Company Limited Foldable stroller

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220177068A1 (en) * 2019-04-15 2022-06-09 Jiaxing Xiaohuzi Bike Factory Company Limited Foldable stroller

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