CN213292581U - Children tricycle - Google Patents

Abstract

The utility model discloses a children tricycle, be equipped with the preceding frame subassembly of front wheel including the bottom, this preceding frame subassembly includes the fixing base, the front fork of front wheel is installed through the front wheel axle in the bottom, and be used for controlling the handle that the front wheel turned to, this handle is connected on the fixing base with rotating, the front fork has the front fork axle that extends along upper and lower direction, the front fork axle can be connected with the fixing base around self axial lead is rotatory, preceding frame subassembly is still including setting up the link gear between handle and front fork, link gear drives the front fork and rotates around the relative fixing base of front fork axle when the relative fixing base of handle rotates. When above-mentioned folding front truck frame subassembly, drive the front fork when folding handle downwards and turn to, folding convenient operation, whole car thickness reduces after folding, and occupation space is showing and is reducing, has brought the facility for the user daily carries and accomodates etc..

Description

Children tricycle

Technical Field

The utility model relates to a children's articles for use field, concretely relates to folding children's tricycle.

Background

The child tricycle in the prior art comprises a main frame, a front frame assembly connected to the front part of the main frame, and two groups of rear frames which are respectively arranged on the left side and the right side of the main frame and connected with the main frame, wherein the bottoms of the front frame assembly and the rear frame are respectively provided with a front wheel and a rear wheel; wherein the front frame assembly comprises a front fork, a front wheel arranged at the lower part of the front fork and a handlebar arranged at the upper part of the front fork and used for controlling the steering of the front wheel. Most of the existing children's tricycles can not be folded, have large volume when not used, and are very inconvenient to carry and store. At present, although some vehicle types can be folded, the size after folding is still larger.

Disclosure of Invention

The utility model aims at providing a children's tricycle of novel structure, wherein can link between handle and the front fork in the preceding frame subassembly and fold up and can conveniently fold up and further reduce the size after folding when the tricycle is folding.

In order to achieve the above purpose, the utility model adopts the technical scheme that: the utility model provides a children tricycle, includes that the bottom is equipped with the preceding frame subassembly of front wheel, preceding frame subassembly includes that fixing base, bottom are installed through the front wheel axle the front fork of front wheel, and be used for control the handle that the front wheel turned to, the handle is connected with rotating on the fixing base, the front fork has the front fork axle that extends along upper and lower direction, the front fork axle can wind self axial lead rotatory ground with the fixing base is connected, preceding frame subassembly is still including setting up the handle with link gear between the front fork, the handle is relative when the fixing base rotates link gear drives the front fork is around the front fork axle is relative the fixing base rotates.

Preferably, the front frame assembly has an open state and a folded state, and when the front frame assembly is in the open state, the handle is located above the front fork and fixed relative to the front fork; when the front frame component is in a folding state, the handle is turned downwards relative to the front fork and folded, and the front fork rotates around the front fork shaft to enable the front wheel shaft to extend along the front-back direction.

Preferably, the handles are respectively arranged on two groups of the left side and the right side of the front fork, and when the front frame assembly is in the folding state, the two groups of the handles are respectively folded on the left side and the right side of the front fork.

Preferably, the last guide way of having seted up of front fork axle, the guide way winds the axial lead of front fork axle is the spiral along upper and lower direction and extends, link gear is including following the axial up-and-down motion ground of front fork axle is located linkage seat on the front fork axle, setting are in guide pin on the linkage seat, guide pin sliding fit ground wears to establish in the guide way, link gear is still including being provided with can order about when the handle rotates the linkage subassembly of linkage seat up-and-down motion.

Specifically, the linkage assembly comprises a gear fixedly arranged on the handle and a rack arranged on the linkage seat and extending along the vertical direction, the gear is rotatably connected to the fixed seat around a rotating shaft, and the gear is meshed with the rack.

Preferably, the handle has two sets of locating left and right sides respectively, every all be connected with fixedly on the lower tip of handle the gear, be equipped with two sets of correspondingly on the linkage seat the rack, two sets of the handle is in step around the pivot rotates and drives the linkage seat along vertical direction lift.

Preferably, the fixing base and two sets of be provided with between the handle and be used for locking two sets of the handle locking piece of handle, the handle locking piece sets up including sliding locking piece on the fixing base, be used for providing the locking piece orientation the handle slides the elastic component of required elastic force, the slip direction of locking piece with the axial lead of pivot is parallel to each other, be provided with two locking arch on the locking piece, every all be equipped with on hand and supply locking protruding corresponding inserted locked groove of cooperation, when the handle locking piece is in the locking state, two locking arch is correspondingly inserted and is established two in the locked groove.

Preferably, the front fork shaft has a mounting hole extending in an up-down direction, the linkage base has a linkage rod portion fittingly inserted into the mounting hole, and the guide pin is fixedly disposed at a lower portion of the linkage rod portion and fittingly inserted into the guide groove.

Preferably, the front frame assembly further includes a connecting rod for relatively fixing the fixing seat, the linkage seat and the front fork in the vertical direction, and the connecting rod has a connecting portion located at the lower portion and fixedly connected to the front fork, and a pressing portion located at the upper portion and pressed downward on the fixing seat.

Preferably, the tricycle for children further comprises a main frame, two groups of rear frames and rear wheels, wherein the front part of the main frame is connected with the front frame assembly, the two groups of rear frames are respectively arranged on the left side and the right side of the main frame and are connected with the main frame, the rear wheels are arranged at the bottom of the rear frames, the front frame assembly further comprises a front fork sleeve, the front fork sleeve is sleeved on the front fork shaft and the fixing seat in a relatively rotating mode, the tricycle for children has an unfolding state and a folding state, when the tricycle for children has the unfolding state, the front frame assembly stands in front of the main frame, and the front wheel shaft extends along the horizontal direction; when the children tricycle is in a folded state, the front frame assembly rotates to be folded at the bottom of the main frame, and the front wheel shaft extends in the vertical direction.

The utility model relates to up-down, left-right, front-back and other direction words, which are defined according to the up-down, left-right, front-back directions of children when the children tricycle is normally driven.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage: the utility model discloses a children tricycle, when folding front truck subassembly, can drive the front fork when downwards rotating the handle and turn to, make the front axle of front wheel extend by left right direction and convert the fore-and-aft direction into and extend, thus, the size and the volume of front truck subassembly self all reduce, rotate the relative tricycle main frame of this folding front truck subassembly simultaneously and fold up the back, the front axle can change into and extend along upper and lower direction, the wheel body of front wheel can closely draw close with the main frame of tricycle, reduce the thickness and the occupation space of folding back whole car, for the user daily carry with accomodate etc. and brought the facility.

Drawings

FIG. 1 is a perspective view of an embodiment of a tricycle showing a child in an expanded state;

FIG. 2 is an exploded view of the front frame assembly of the present embodiment;

FIG. 3 is a partially disassembled view of the front frame assembly in the open state in the present embodiment;

FIG. 4 is a schematic structural view of the front frame assembly shown in FIG. 3 during folding;

FIG. 5 is a cross-sectional view of the front frame assembly of the present embodiment shown in a collapsed state;

FIG. 6 is a perspective view of the front frame assembly of the present embodiment in an open position;

FIG. 7 is a schematic perspective view illustrating the folding process of the front frame assembly in this embodiment;

FIG. 8 is a schematic perspective view of the front frame assembly of the present embodiment in a collapsed state;

FIG. 9 is an exploded view of the child tricycle of this embodiment;

fig. 10 is a longitudinal sectional view of the child tricycle of the present embodiment in an expanded state;

FIG. 11 is a perspective view of the tricycle shown in this embodiment with the front frame assembly in the folded position;

fig. 12 is a perspective view of the child tricycle during folding in this embodiment;

FIG. 13 is a perspective view of the child tricycle shown in this embodiment in a folded state;

wherein: 1. a front frame assembly; 11. a handle; 111. locking the groove; 112. a gear; 12. a fixed seat; 121. a locking block; 122. a locking projection; 123. a handle unlock button; 13. a linkage seat; 131. a rack; 132. a linkage rod part; 133. a guide pin; 14. a front fork; 141. a front fork shaft; 142. a guide groove; 143. mounting holes; 144. a front fork sleeve; 145. connecting the end heads; 146. a front fork shell; 15. a connecting rod; 151. a pressing part; 152. a connecting portion; 161. a front wheel axle; 162. a front wheel;

2. a main frame; 21. a cross beam; 211. a beam rod cavity; 212. a first lock hole; 22. a first slider; 221. a first bolt; 23. a second slider; 231. a second lock hole; 24. a seat; 25. a backrest; 26. a connecting frame; 261. a first connection portion; 262. a second connecting portion; 271. a slider; 272. a second bolt; 28. a push handle mounting base;

31. a rear frame; 311. a rear support rod; 312. a rear stay bar; 32. a rear wheel; 4. a push handle; 5. and (5) pedaling.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1 and 13, a tricycle for children having an unfolded state and a folded state includes a front frame assembly 1 having front wheels 162 at the bottom thereof, a main frame 2 having a front portion connected to the front frame assembly 1, a seat mechanism provided on the main frame 2, two rear frames 31 respectively provided at left and right sides of the main frame 2 and connected to the main frame 2, rear wheels 32 provided at the bottom of the rear frames 31, a push handle 4 detachably mounted at a rear end portion of the main frame 2, pedals 5 rotatably connected to both sides of the front frame assembly 1, and a locking mechanism for locking the tricycle for children in the unfolded state.

Referring to fig. 1 and 2, the front frame assembly 1 includes a fixing base 12, a front fork 14 having a front wheel 162 mounted at the bottom thereof through a front wheel shaft 161, and a handlebar 11 for controlling the steering of the front wheel 162, and specifically, the handlebar 11 has two sets disposed at left and right sides of the front fork 14 and is respectively rotatably connected to the fixing base 12. Referring to fig. 2 and 3, the front fork 14 has a front fork shaft 141 extending in the up-down direction, and the front fork shaft 141 is rotatably connected to the fixed base 12 about its axis. The front frame assembly 1 further comprises a front fork sleeve 144, the front fork sleeve 144 is relatively rotatably sleeved on the position where the front fork shaft 141 and the fixing seat 12 are rotatably connected, and the front fork sleeve 144 is rotatably connected to the front portion of the main frame 1.

Referring to fig. 6 to 8, the front frame assembly 1 has an open state and a folded state, and when the front frame assembly 1 is in the open state, the handle 11 is located above the front fork 14 and fixed relative to the front fork 14; when the front frame assembly 1 is in the folded state, the two sets of handles 11 are folded downward relative to the front fork 14 and are folded on the left and right sides of the front fork 14, and the front fork 14 rotates about the front fork shaft 141 so that the front wheel shaft 161 becomes extended in the front-rear direction.

Specifically, the front frame assembly 1 further includes a linkage mechanism disposed between the handle 11 and the front fork 14, so that when the handle 11 rotates relative to the fixing base 12, the linkage mechanism drives the front fork 14 to rotate around the front fork shaft 141 relative to the fixing base 12.

Referring to fig. 2, the front fork shaft 141 is provided with a guide groove 142, the guide groove 142 spirally extends in the vertical direction around the axis of the front fork shaft 141, and the bottom end of the guide groove 142 further includes a linear groove having one end extending downward in the axial direction of the front fork shaft 141. The linkage mechanism comprises a linkage seat 13 and a guide pin 133, wherein the linkage seat 13 can be arranged inside the front fork shaft 141 and can move up and down along the axial direction of the front fork shaft 141, the guide pin 133 is arranged on the linkage seat 13, the guide pin 133 is arranged in a penetrating mode in a guide groove 142 in a sliding fit mode, the linkage mechanism further comprises a linkage assembly capable of driving the linkage seat 13 to move up and down when the handle 11 rotates, and the guide pin 133 can be driven to slide along the guide groove 142 to drive the front fork shaft 141 to rotate when the linkage seat 13 moves up and down.

Referring to fig. 2 to 5, the linkage assembly specifically includes two sets of gears 112 respectively fixed at the bottom ends of the left and right handles 11, and two sets of racks 131 respectively fixed at both sides of the upper portion of the linkage base 13 and extending in the up-down direction, the gears 112 are rotatably connected to the fixing base 12 around the rotation shaft, and the two sets of gears 112 are respectively engaged with the two sets of racks 131. In the process of opening and folding the front frame assembly 1, the two groups of handles 11 synchronously rotate to drive the linkage seat 13 to lift along the vertical direction.

Referring to fig. 2 and 3, the front fork shaft 141 has a mounting hole 143 extending in the up-down direction, the interlocking seat 13 has an interlocking rod portion 132 fittingly inserted into the mounting hole, and the guide pin 133 is fixedly disposed at a lower portion of the interlocking rod portion 132 and fittingly inserted into the guide groove 142.

Referring to fig. 2, the front frame assembly 1 further includes a connecting rod 15 for fixing the fixing base 12, the linking base 13 and the front fork 14 relatively in the vertical direction, wherein the connecting rod 15 has a connecting portion 152 located at the lower portion and fixedly connected to the front fork 14, and a pressing portion 151 located at the upper portion and pressed downward against the fixing base. When the connection is performed, the connection rod 15 passes through the fixing base 12, the linkage base 13 and the front fork shaft 141 from top to bottom, the connection portion 152 at the lower portion thereof is connected to the front fork 14 by screw threads, and the pressing portion 151 at the upper portion thereof is pressed against the upper portion of the fixing base 12, so that the positions of the fixing base 12 and the front fork shaft 141 in the vertical direction are relatively fixed.

Referring to fig. 2, in the present embodiment, a handle locking member for locking the two sets of handles 11 is further disposed between the fixing base 12 and the two sets of handles 11. Specifically, the handle locking member includes a locking block 121 slidably disposed on the fixing base 12, and an elastic member (not shown in the drawings) for providing an elastic force required for the locking block 121 to slide toward the handle 11, wherein the sliding direction of the locking block 121 is parallel to the axial line of the rotating shaft of the gear 112, two locking protrusions 122 are disposed on the locking block 121, and a locking groove 111 into which the locking protrusion 121 can be correspondingly inserted is disposed on each handle 11. The fixing base 12 is further provided with a handle unlocking piece for unlocking the handle locking piece, specifically a handle unlocking button 123 capable of sliding relative to the fixing base 12, and the sliding direction of the handle unlocking button 123 is parallel to the sliding direction of the locking block 121. When the handle locking piece is in a locking state, the two locking protrusions 122 are correspondingly inserted into the two locking grooves 111; pressing the handle unlocking button 123 pushes the locking piece 121 to slide backward, and the locking projection 122 is withdrawn from the locking groove 111, thereby unlocking the handle locking piece.

Referring to fig. 1, 9 to 13, the main frame 2 has a cross member 21 extending in the front-rear direction, a push handle mount 28 is fixed to a rear end portion of the cross member 21, and a lower portion of the push handle 4 is detachably mounted on the push handle mount 28. Referring to fig. 1, 9 to 13, the left and right rear frames 31 each include a rear strut 311 and a rear strut 312, the rear wheel 32 is disposed at the bottom of the rear strut 311, the upper portion of the rear strut 311 is connected to the main frame 2 so as to be able to relatively rotate about the axis B and relatively slide in the front-rear direction, the upper end of the rear strut 312 is connected to the mounting seat 28 so as to rotate about the axis E, and the lower end is connected to the rear strut 311 so as to rotate about the axis F. The shaft B, the shaft F and the shaft F which are positioned on the same side are parallel to each other and are inclined downwards and extend inwards from the outer side gradually in the left-right direction.

Referring to fig. 9 and 10, the cross beam 21 is slidably provided with a first sliding member 22 and a second sliding member 23, both of which can slide along the axial direction of the cross beam 21, the second sliding member 23 is slidably sleeved outside the cross beam 21, and the first sliding member 22 is slidably disposed in the rod cavity 211 of the cross beam 21. The upper portions of the both side rear stays 311 are rotatably connected to the second slider 23 around the B-axis, respectively. The front fork sleeve 144 has a connecting stub 145 fittingly insertable into the crossbar cavity 211, the connecting stub 145 being rotatably connected with the first slider 22 by a rotation axis a.

Referring to fig. 9 and 10, the seat mechanism includes a seat 24 slidably provided on the main frame 2 via a second slider 23, a backrest 25 having a lower portion pivotally connected to a push handle mounting seat 28 about an axis D, and a link 26 having one end pivotally connected to the backrest 25 about an axis C and the other end pivotally connected to the second slider 23 about an axis G. Specifically, the link 26 has a first connecting portion 261 extending in the up-down direction, and a second connecting portion 262 extending by bending forward from the bottom of the first connecting portion 261, the front portion of the second connecting portion 262 is rotatably connected to the second slider 23 about the axis G, and the upper portion of the first connecting portion 261 is rotatably connected to the backrest 25 about the axis D.

Referring to fig. 9 and 10, in the present embodiment, the locking mechanism includes a first locking member disposed between the first sliding member 22 and the cross member 21 for locking the two, and a second locking member disposed between the second sliding member 23 and the cross member 21 for locking the two, and when the second locking member is unlocked, the second sliding member 23 slides forward along the cross member 21 and is linked with the first locking member for unlocking.

Specifically, the first locking member includes a first locking tongue 221 slidably disposed on the first sliding member 22, the cross beam 21 and the first sliding member 22 are each provided with a first locking hole 212 into which the first locking tongue 221 is fittingly inserted, a sliding direction of the first locking tongue 221 is perpendicular to a sliding direction of the first sliding member 22 and the second sliding member 23, and a rear side surface of the first locking tongue 221 has an unlocking inclined surface that extends downward gradually from the rear to the front. The second locking piece comprises a sliding block 271 which is slidably arranged in the beam cavity 211 and is relatively fixedly connected with the second sliding piece 23, a second locking tongue 272 which is arranged on the sliding block 271, and a second locking hole 231 which is arranged on the second sliding piece 23 and is matched with the second locking tongue 272; after the first locking member is also unlocked, the first slider 22 is pushed by the slider 271 to slide forward.

Referring to fig. 10, when the child tricycle is in the deployed state, the front frame assembly 1 is in the open state; the connection end 145 is fittingly inserted in the front beam cavity 211 of the cross beam with the rotation axis a located in the cross beam cavity 211; the first connecting portion 261 is located at the rear of the seat 24 and the second connecting portion 262 is located at the lower side of the seat 24, and the backrest surface of the backrest 25 is located at the front side of the first connecting portion 261 or is flush with the front side surface of the first connecting portion 261.

Referring to fig. 11, in the process of converting the child tricycle from the unfolded state to the folded state, the front frame assembly 1 is firstly folded, specifically, the handle unlocking button 123 is firstly pressed to unlock the handle 11, the two groups of handles 11 are turned downward relative to the front fork 14 and folded on the left and right sides of the front fork 14, the linkage mechanism drives the front fork 14 to rotate around the front fork shaft 141, the front wheel shaft 161 is extended along the front-rear direction, and the front frame assembly 1 is converted into the flat folded state.

Referring to fig. 12, the child tricycle is continuously folded, the backrest 25 is turned downwards, so that the backrest 25 is folded in a rotating manner relative to the seat 24, the backrest 25 drives the second sliding part 23 to slide forwards along the cross beam 21 through the connecting frame 26, the sliding block 271 is driven to slide forwards, so that the second locking part is unlocked, and the first locking part is also unlocked in linkage; the connecting end 145 and the rotating shaft A are pushed out of the cross beam 21, so that the front frame assembly 1 can rotate around the rotating shaft A and be folded at the rotating bottom of the cross beam 21; meanwhile, the second sliding member 23 slides forward along the cross member 21 to drive the rear support rod 311 to rotate around the axis B and the axis F, and the rear frame 31, the rear wheel 32 and the cross member 21 are folded.

Referring to fig. 13, when the child tricycle is in a folded state, the front frame assembly 1 is folded at the bottom of the main frame 2, and the rear rod 311 slides relative to the main frame 2 to drive the two sets of rear wheels 32 to be folded behind the main frame 2. In addition, the push handle 4 can be extended and folded along the length direction, and when the child tricycle is in a folded state, the push handle 4 can be detached and placed together with the folded frame main body part for storage. The height and the width of the folded whole vehicle are obviously reduced, and the folding bicycle is convenient to store and carry.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims (10)

1. The utility model provides a children's tricycle, includes that the bottom is equipped with preceding frame Assembly of preceding wheel, its characterized in that: the front frame assembly comprises a fixed seat, a front fork and a handle, wherein the bottom of the front fork is provided with the front wheel through a front wheel shaft, the handle is used for controlling the steering of the front wheel, the handle is rotationally connected to the fixed seat, a front fork shaft extending along the vertical direction is arranged on the front fork, the front fork shaft can be rotationally connected with the fixed seat around the shaft axis of the front fork shaft, the front frame assembly further comprises a linkage mechanism arranged between the handle and the front fork, and when the handle rotates relative to the fixed seat, the linkage mechanism drives the front fork to rotate relative to the fixed seat around the front fork shaft.

2. The children's tricycle of claim 1, wherein: the front frame assembly has an open state and a folded state, and when the front frame assembly is in the open state, the handle is positioned above the front fork and fixed relative to the front fork; when the front frame component is in a folding state, the handle is turned downwards relative to the front fork and folded, and the front fork rotates around the front fork shaft to enable the front wheel shaft to extend along the front-back direction.

3. The children's tricycle of claim 2, wherein: the handles are respectively arranged on the left side and the right side of the front fork, and when the front frame assembly is in the folding state, the two groups of handles are respectively folded on the left side and the right side of the front fork.

4. The children's tricycle of claim 1, wherein: the front fork shaft is provided with a guide groove, the guide groove winds the axial lead of the front fork shaft and extends spirally along the vertical direction, the linkage mechanism comprises a linkage seat and a guide pin, the linkage seat can be arranged on the front fork shaft in a vertically moving mode along the axial direction of the front fork shaft, the guide pin is arranged on the linkage seat, the guide pin is arranged in the guide groove in a penetrating mode in a sliding fit mode, and the linkage mechanism further comprises a linkage assembly, the linkage assembly can drive the linkage seat to move vertically when the handle rotates.

5. The children's tricycle of claim 4, wherein: the linkage assembly comprises a gear fixedly arranged on the handle and a rack arranged on the linkage seat and extending along the vertical direction, the gear is rotatably connected to the fixed seat around a rotating shaft, and the gear is meshed with the rack.

6. The children's tricycle of claim 5, wherein: the handle has the branch and locates two sets of left and right sides, every all be connected with fixedly on the lower tip of handle the gear, be equipped with two sets of correspondingly on the linkage seat the rack, two sets of the handle is simultaneously around the pivot rotates and orders about the linkage seat is along vertical direction lift.

7. The children's tricycle of claim 6, wherein: fixing base and two sets of be provided with between the handle and be used for locking two sets of the handle locking piece of handle, the handle locking piece sets up including sliding locking piece on the fixing base, be used for providing the locking piece orientation the handle slides the elastic component of the required elastic force, the slip direction of locking piece with the axial lead of pivot is parallel to each other, be provided with two locking arch on the locking piece, every on hand all be equipped with can supply locking protruding corresponding inserted locked groove with the cooperation, when the handle locking piece is in the lock state, two locking arch is inserted correspondingly and is established two in the locked groove.

8. The children's tricycle of claim 4, wherein: the front fork shaft is provided with a mounting hole extending along the vertical direction, the linkage seat is provided with a linkage rod part which can be inserted in the mounting hole in a matched manner, and the guide pin is fixedly arranged at the lower part of the linkage rod part and is arranged in the guide groove in a penetrating manner in a matched manner.

9. The children's tricycle of claim 4, wherein: the front frame assembly further comprises a connecting rod which relatively fixes the fixed seat, the linkage seat and the front fork along the vertical direction, and the connecting rod is provided with a connecting part which is positioned at the lower part and fixedly connected with the front fork and a pressing part which is positioned at the upper part and downwards pressed on the fixed seat.

10. The children's tricycle of any of claims 1 to 9, wherein: the child tricycle further comprises a main frame, two groups of rear frames and rear wheels, wherein the front portion of the main frame is connected with the front frame assembly, the two groups of rear frames are respectively arranged on the left side and the right side of the main frame and are connected with the main frame, the rear wheels are arranged at the bottom of the rear frames, the front frame assembly further comprises a front fork sleeve, the front fork sleeve is sleeved on the front fork shaft and the fixing seat in a relatively rotating mode, the child tricycle is in an unfolded state and a folded state, when the child tricycle is in the unfolded state, the front frame assembly stands in front of the main frame, and the front wheel shaft extends in the horizontal direction; when the children tricycle is in a folded state, the front frame assembly rotates to be folded at the bottom of the main frame, and the front wheel shaft extends in the vertical direction.

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