KR200290706Y1 - Folding collapsible baby tricycle - Google Patents

Abstract

The folding infant tricycle of the present invention has a head for holding a pair of pedals for pushing the front and front wheels, a seat frame pivotally coupled to the downtube of the head for supporting the back and the saddle, and a pair of rear wheels. A first frame coupled between the rear frame and the downtube to allow the infant tricycle to be folded when a saddle is formed to lift the infant tricycle upwards from the floor and a U-shaped rear frame that holds the reeds; A linkage device, a coupling device fixed to the back, a vertical rod inserted through the coupling device and connected to the head by a second linkage device, and vertically by a joint to turn by hand to change the steering direction of the head It is configured to include a handle coupled to the rod.

Description

Folding collapsible baby tricycle {Folding collapsible baby tricycle}

The present invention relates to an infant tricycle, in particular, a folding infant tricycle.

Conventional infant tricycles generally comprise a head, a handle, a pair of pedals, a front wheel unit and a rear wheel unit. The parts of the tricycle are firmly fixed to one another by welding. Conventional infant tricycles are not foldable and are inconvenient to carry or carry. When not in use, conventional tricycles occupy a lot of storage space.

The present invention is made in consideration of the environment as described above.

The main object of the present invention is to provide a folding infant tricycle.

Another object of the present invention is to provide a folding infant tricycle that can be easily folded by simply lifting the saddle upwards.

Another object of the present invention is to provide a folding infant tricycle having a rear handle operated by a parent to help the infant control the steering direction of the infant tricycle.

In order to achieve these and other objects of the present invention, the collapsible infant tricycle is pivotable to a head portion that holds a pair of pedals for pushing the front and front wheels, and a downtube of the head portion to support the saddle and back plate. A pivotally coupled seat frame, a U-shaped rear wheel frame that holds a pair of rear wheels, and a child's tricycle can be folded up when the saddle is pulled upward to lift the child's tricycle from the floor. A first linkage coupled between the down tube and the rear wheel frame, a coupling device fixed to the back plate, a vertical rod inserted through the coupling device and connected to the head by a second linkage and the head And a handle portion connected to the vertical rod by a joint, which can be turned by hand to change the direction of manipulation of the portion.

1 is a front view of a folding infant tricycle according to the present invention.

2 is a partial exploded view of the present invention showing the arrangement of the coupling device.

3 is a partial exploded view of the present invention showing the arrangement of the first linkage and the second linkage;

4 is a partial exploded view of the present invention showing the arrangement between the front link and the head of the second linkage;

5 is a schematic view showing the head pivoting in the left and right directions when the handle is rotated.

6 is a partial plan view of the present invention showing a state where the saddle is in the operating position and the first linkage and the second linkage are deployed;

7 is a partial plan view of the present invention showing a state in which the saddle is set to an inoperative position.

8 is a view illustrating a three-wheeled infant bicycle folded in accordance with the present invention.

* Description of the symbols for the main parts of the drawings *

2: head 3: body

4: first interlock device 6: joint

21: handle bar 24: down tube

211 and 212: transverse rib 241: spring member

242: projection

Referring to FIG. 1, a folding infant tricycle according to the present invention is shown, which includes a head 2, a body 3, a first linkage 4 and a joint 6. The head 2 comprises a pair of handle bars 21, a pair of pedals 22, a front wheel 23 and a down tube 24. When the infant grabs the handle bar 21 with his hand and presses the pedal 22 with his leg, the front wheel 23 rotates in the forward direction. The downtube 24 is pivotally coupled at one end, ie the front end, to a portion of the head 2 between the two transverse ribs 211, 212 which connect the handle bars 21 in parallel. A spring member 241 is connected between the transverse rib 212 and a portion of the down tube 24 to apply a force to pull the down tube 24 in a straight direction. The down tube 24 has a protrusion 242 protruding from the outer circumference. The body 3 comprises a seat frame 31 and a saddle 32 mounted on the seat frame 31. The seat frame 31 is pivotally coupled to one end, ie the front end, to the protrusion 242 of the downtube 24, the other end, ie the rear end, to the rear of the first linkage 4. It is rotatably coupled to the linkage 41. The back plate 35 is firmly fixed to the seat frame 31 and is disposed vertically behind the saddle 32. The vertical rod 5 is provided on the rear side of the back plate 35. A joint 6 is connected to the upper end of the vertical rod 5 to hold the handle 7. The rear linkage 41 of the first linkage 4 has one end pivotally coupled to the rear end of the seat frame 31 and the other end is substantially U-shaped (ie, substantially similar to the letter X). Is firmly connected to the rear wheel frame (33). The two rear wheels 34 are pivotally coupled to the U-shaped rear wheel frame 33, respectively, on two sides. When the infant presses the pedal 22, the rear wheel 34 rotates with the front wheel 23.

2 and 3 and 1, the present invention further comprises a coupling device 8. The coupling device 8 is firmly fixed to the back plate 35 and is perpendicular to the sleeve 81 which is engaged in a sleeve form from the bottom side onto the vertical rod 5 and stops at the collar 51 of the vertical rod 5. An end cap 82 securely fixed to the bottom end 52 of the vertical rod 5 to stop the sleeve 81 so that the rod 5 does not exit. The end cap 82 includes a horizontal protrusion 83 coupled to the second linkage. The second linkage 9 includes a front linkage 91 and a rear linkage 92. The rear linkage 92 has a rear end pivotally coupled to the horizontal protrusion 83 and a front end terminating in the planar protrusion 922. The front linkage 91 has a rear end pivotally coupled to the planar protrusion 922 and a front end pivotally coupled to the one transverse rib 212 of the head 2. The first linkage 4 comprises a front linkage 42 coupled between the rear linkage 41 and the down tube 24. The seat frame 31 has a locating plate 311 fixedly provided on one side thereof. The rear linkage 92 of the second linkage 9 is inserted through the placement plate 311 and is coupled between the horizontal protrusion 83 and the front linkage 91.

When assembled, the vertical rod 5 can be rotated with the handle 7 in the sleeve 81. When the handle 7 rotates in the left (or right) direction, the end cap 82 rotates in the left (or right) direction, and the sleeve 81 engages the rear linkage of the second linkage 9. Move the 92 (see FIG. 5), whereby the front linkage 91 of the second linkage 9 has left the transverse rib 212 and the head 2 as shown in FIG. 5. Direction (or right). When the torque from the handle 7 is released, the spring member 241 immediately returns the head 2 in the straight direction. Thus, parents can help the infant to control the maneuver of the tricycle.

6 to 8, when not in use, the first interlock device 4 is pulled to fold the infant tricycle in a folded state. When lifting the saddle 32 from the floor, the rear linkage 41 of the first linkage 4 is turned inward towards the front linkage 42, and the seat frame 31 moves down the tube 24. While pivoting upward from the horizontal position shown in FIG. 6 to the vertical position shown in FIG. 7 while maintaining the end of the saddle 32 suspended at the same time, the rear linkage 92 of the second linkage 9 is It is turned to a vertical position perpendicular to the front linkage 91. In addition, by the joint 6, the handle 7 can be switched from the operating position shown in FIG. 1 to the non-operating position shown in FIG. 8. In use, the infant tricycle is deployed in reverse order from the folded position shown in FIG. 8 to the operating position shown in FIG. 1.

The prototype of the folding infant tricycle is configured in the shape of FIGS. 1 to 8. The folding function for smoothly providing all the features has been described above.

Although specific embodiments of the present invention have been described in detail for purposes of illustration, various modifications and changes may be made without departing from the scope and concept of the present invention. Accordingly, the present invention should be limited only by the appended claims.

According to the present invention, there is provided a folding baby tricycle that can be easily folded simply by lifting the saddle upwards.

According to the present invention, there is provided a folding infant tricycle having a rear handle operated by a parent to help the infant control the steering direction of the infant tricycle.

Claims (1)

It includes a pair of handle bars 21, two transverse ribs 211, 212 connected between the handle bars 21, a pair of pedals 22, a front wheel 23 and a down tube 24. With the head (2) The seat frame 31 connected to the down tube 24, the saddle 32 mounted on the seat frame 31 and the rear of the saddle 32 perpendicularly disposed on the seat frame 31 A main body 3 including a back plate 35 mounted thereon, Is connected to the seat frame 31, and includes a U-shaped rear wheel frame 33, the two rear wheels 34 are rotatably coupled on both sides, The down tube 24 has a front end pivotally coupled to a portion of the head 2, a rear end coupled to the U-shaped rear wheel frame 33 by a first linkage 4, An intermediate protrusion 242 projecting from its outer periphery between the front end and the rear end and pivotally coupled to the front end of the seat frame 31, The first linkage device 4 includes a first linkage 41 and a second linkage 42, The first linkage 41 of the first linkage 4 has a rear end securely fixed to the U-shaped rear wheel frame 33 and a front end pivotable to the rear end of the seat frame 31. Combined, The second linkage 42 of the first linkage 4 has a rear end pivotally coupled to the first linkage 41 of the first linkage 4, and the front end of the second linkage 42 of the first linkage 4. Pivotally coupled to the rear end of 24), A spring member 241 is connected between a portion of the downtube 24 and one transverse rib 212 of the head 2 to maintain the downtube 24 in a central position, The back plate 35 has a coupling device 8 and an end cap 82 to hold a vertical rod 5 for steering control, The coupling device 8 comprises a sleeve 81 rigidly fixed to the back plate 35 and sleeve-coupled onto the vertical rod 5, The end cap 82 is firmly fixed to the bottom end of the vertical rod 5, and is connected to one transverse rib 212 of the head 2 by a second linkage 9, The second linkage device 9 includes a rear linkage 92 and a front linkage 91, The rear linkage 92 of the second linkage 9 is pivotally coupled to the rear end of the second end cap 82, and the front end of the second linkage 9 terminates at the planar protrusion 922. The front linkage 91 of the second linkage 9 has a rear end pivotally coupled to the planar projection 922 of the rear linkage 92 of the second linkage 9, and the front end of the second linkage 9 of the second linkage 9. Rotatably coupled to the transverse rib 212 of the head 2, The vertical rod (5) is a folding infant tricycle having an upper end mounted with a joint (6) for holding a handle (7) for manual operation for turning the head (2) in left and right directions.