CN217396738U - Child's bike - Google Patents

Abstract

The utility model discloses a children's bike, including end strut frame, the front side of end strut frame is connected with the front fork subassembly, be connected with the front wheel on the front fork subassembly, end strut frame coupling has the rear wheel, end strut frame front side still is connected with its pivoted relatively and bears the frame, the position of bearing the frame stop includes vertical position and horizontal position, bear and be equipped with the seat portion that is used for children to take when it stops in horizontal position, bear and be equipped with in the frame and stop homoenergetic when vertical position or horizontal position in its pivoted dwang, be equipped with on the dwang and be used for connecting the steering handle when bearing the frame and be in the connection position that is used for connecting the steering handle when bearing the frame and be in horizontal position, be equipped with on the front fork subassembly and be used for connecting the grafting position of steering handle when bearing the frame and remove to horizontal position, still be equipped with between dwang and the front fork subassembly and can drive the front fork subassembly and rotate and make the front wheel can turn to the transmission structure that the steering handle when the dwang bears the relative rotation. The utility model discloses simple structure, the function is various, and the security is good.

Description

Child's bike

[ technical field ] A method for producing a semiconductor device

The utility model relates to a child's bike.

[ background ] A method for producing a semiconductor device

The child's bike is a common product in the growth process of children, and the current child's bike comprises a scooter and the like. However, the existing scooter is generally in a standing type, and when the scooter is used by children, the children hold the steering handle with both hands, step on the bottom support frame with one foot, and slide with one foot on the ground, so that the scooter can be played. The scooter has single function.

Chinese patent "a multifunctional vehicle publication number (CN 208842557U)" discloses a bicycle for children to stand and slide and for children to ride. However, the vehicle is only suitable for children of a big age to play by themselves, and is inconvenient for adults to push and not suitable for children of a small age with low control force to play. Therefore, more and more users desire a child car which can be played by young children and older children, and further desire the child car to be used as a scooter and be ridden by children.

[ Utility model ] content

The utility model aims to overcome the defects of the prior art and provide a child bicycle with simple structure and convenient operation. This perambulator can supply children to stand to slide and can supply children to take again and ride, more importantly, the utility model discloses the perambulator both can supply older children to play by oneself, also can supply the young children of low age of control power to play, when young children play, the adult can operate the perambulator through the control rod, ensures safety.

The utility model discloses a realize through following technical scheme:

the utility model provides a perambulator, includes end strut 1, the front side of end strut 1 be connected with its rotation relatively and be used for the front fork subassembly 2 that the perambulator turned to, front fork subassembly 2 on be connected with front wheel 31, end strut 1 rear side be connected with rear wheel 32, end strut 1 front side still be connected with its bearing frame 4 of internal rotation in vertical plane relatively, the position that bears 4 stops including vertical position and horizontal position, bearing frame 4 on be equipped with and be used for children to take when it stops in horizontal position seat portion 41, bearing frame 4 in be equipped with at its stop in vertical position or horizontal position homoenergetic pivoted dwang 5 in it, dwang 5 on be equipped with and be used for connecting when bearing frame 4 is in vertical position and turn to 6 and be used for connecting the connection position 8 of control rod 7 when bearing frame 4 is in horizontal position, front fork subassembly 2 on be equipped with and be used for connecting when bearing frame 4 moves to horizontal position and turn to 6 grafting position 23 that the position is used for connecting to turn to 6 when bearing frame 4 A transmission structure 9 is further disposed between the rotating rod 5 and the front fork assembly 2, and when the rotating rod 5 rotates relative to the bearing frame 4, the transmission structure can drive the front fork assembly 2 to rotate, so as to steer the front wheel 31.

The transmission structure 9 includes the oblique slot hole 91 that is established on the front fork subassembly 2, the dwang 5 on be equipped with and can rotate in oblique slot hole 91 when bearing frame 4 and rotating relative bottom bracket frame 1 and can promote oblique slot hole 91 pore wall and make front fork subassembly 2 pivoted drive shaft 92 when dwang 5 bears frame 4 and rotates relatively, drive shaft 92 wear to establish in oblique slot hole 91 along the bassinet left and right sides direction.

The longitudinal section of the inclined long hole 91 is strip-shaped and is provided with a first end 91a and a second end 91b, the first end 91a is positioned at the front side of the driving shaft 92, the second end 91b is positioned at the rear side of the driving shaft 92, and the height from the first end 91a to the ground is lower than that from the second end 91b to the ground.

The front fork assembly 2 comprises a fork body 21 used for being connected with a front wheel 31, an upright post 22 is connected onto the fork body 21, an inclined long hole 91 penetrates through the upright post 22 along the left-right direction of the baby carriage, a U-shaped fork 51 capable of being placed into the upper end of the upright post 22 is arranged at the lower end of the rotating rod 5, and the driving shaft 92 is arranged on the U-shaped fork 51.

The upright column 22 is a cylindrical tubular structure.

When the carrier 4 is stopped in the vertical position, the central axis 92a of the drive shaft 92 and the rotation axis 2a of the front fork assembly 2 always intersect and are perpendicular to each other.

When the carriage 4 is in the lateral position and the front wheel 31 is not steered, the driving shaft 92 is parallel to the horizontal ground 100, and when the carriage 4 is in the lateral position and the front wheel 31 is steered, the driving shaft 92 is higher at one end and lower at the other end and is inclined with respect to the horizontal ground 100.

The bottom bracket 1 comprises a front bracket 11, a left rear bracket 12 and a right rear bracket 13 which can rotate relative to the front bracket 11 to open and close, the rear wheel 32 comprises a left wheel 321 connected to the left rear bracket 12 and a right wheel 322 connected to the right rear bracket 13, the front fork assembly 2 is connected to the front bracket 11, the left wheel 321 comprises a left wheel bracket 3211 and a left wheel body 3212 connected to the left wheel bracket 3211, and the left wheel bracket 3211 is rotatably connected with the left rear bracket 12 so that the left wheel 321 can rotate from the outer side of the left rear bracket 12 to the inner side of the left rear bracket 12; the right wheel 322 comprises a right wheel support 3221 and a right wheel body 3222 connected to the right wheel support 3221, and the right wheel support 3221 is rotatably connected to the right rear frame 13 so that the right wheel 322 can rotate from the outer side of the right rear frame 13 to the inner side of the right rear frame 13.

The front wheel 31 is also connected with a detachable pedal 33.

Compared with the prior art, the utility model discloses there is following advantage:

1. when the bearing frame of the utility model stays at the vertical position, the steering handle is connected to the connecting position on the rotating rod, at the moment, children can control the steering handle to drive the rotating rod to rotate relative to the bearing frame, and the rotating rod drives the front fork assembly to rotate through the transmission structure between the rotating rod and the front fork assembly in the process of rotating relative to the bearing frame, so that the steering of the front wheel is realized, and the buggy is used as a scooter at the moment; when bearing the frame and stop in the horizontal position, turn to in being connected to the grafting position on the front fork subassembly, children can take and bear and take and ride on bearing the frame, more importantly, when bearing the frame and stop in the horizontal position, can also be at the junction in-connection control rod of dwang, the control rod can supply the adult to control the child's bike, when the adult makes the dwang bear the frame relatively and rotate through the control rod, the dwang just drives the front fork subassembly through its transmission structure between and the front fork subassembly and rotates, thereby realize turning to of child's bike, just so realized that the adult realizes through the control rod that child's bike turns to, under the condition that uses the control rod, especially adapted young children that control power is weak play. Therefore, no matter the bearing frame stays at the vertical position or the transverse position, the steering of the baby carriage can be realized in the process that the rotating rod rotates relative to the bearing frame, and the design is ingenious.

2. The utility model discloses a transmission structure is equipped with the drive shaft of wearing to establish in oblique slot hole including setting up the oblique slot hole on the front fork subassembly on the dwang, when the bearing frame switches between vertical position and horizontal position, bears the relative end bracing frame of frame and at vertical in-plane rotation, meanwhile, the drive shaft makes the dwang follow to bear the frame and move together at oblique slot hole internal rotation. When the bearing frame is in the vertical position and the rotating rod rotates relative to the bearing frame, the outer side wall of the driving shaft exerts acting force on the hole wall of the inclined long hole, so that the front fork assembly is pushed to rotate relative to the bottom support frame, and the front wheel steering is realized. When the bearing frame is in a transverse position and the rotating rod rotates relative to the bearing frame, one end of the driving shaft presses the lower side wall of the inclined long hole downwards, the other end of the driving shaft can apply upward acting force to the upper side wall of the inclined long hole, and the driving shaft penetrates through the inclined long hole along the left-right direction of the baby carriage, so that the driving shaft can drive the front fork assembly to rotate under the condition, and the steering of the front wheel is realized.

3. The utility model discloses an oblique slot hole longitudinal section is the strip and has first end and second end, and first end is located the front side of drive shaft, and the second end is located the rear side of drive shaft to first end highly is less than the height that the second end is apart from ground. Therefore, when the bearing frame is located in the vertical position, the driving shaft pushes the side walls of the inclined long holes to drive the front fork assembly to rotate in the process that the rotating rod rotates relative to the bearing frame, and when the bearing frame is located in the horizontal position, one end of the driving shaft applies acting force to the lower side walls of the inclined long holes and the other end of the driving shaft applies acting force to the upper side walls of the inclined long holes to further push the front fork assembly to rotate in the process that the rotating rod rotates relative to the bearing frame. The whole structure is simple and compact, and the design is ingenious.

4. The utility model discloses simple structure, convenient operation, the function is various, is fit for popularizing and applying.

[ description of the drawings ]

Fig. 1 is a perspective view of the loading frame of the present invention in a vertical position;

fig. 2 is a cross-sectional view of the loading frame of the present invention in a vertical position;

FIG. 3 is an enlarged view at A in FIG. 2;

fig. 4 is a side view of a component of the present invention;

fig. 5 is an exploded view of the present invention;

fig. 6 is a perspective view of the carriage of the present invention in a vertical position and with the front wheels turned;

fig. 7 is a cross-sectional view of the carriage of the present invention in a vertical position and with the front wheels turned;

FIG. 8 is a perspective view of the carriage of the present invention in a lateral position;

FIG. 9 is a front view of the carriage of the present invention in a lateral position and with the front wheels steered;

FIG. 10 is a cross-sectional view of the carrier of the present invention in a transverse orientation;

FIG. 11 is an enlarged view at B of FIG. 10;

FIG. 12 is an elevational view of the components of the present invention with the carriage in the lateral position and the front wheels not steered;

FIG. 13 is an elevational view of the components of the present invention with the carriage in a lateral position and the front wheels steered;

fig. 14 is one of the schematic views of the present invention when learning to travel;

fig. 15 is a second schematic view of the present invention when learning to travel.

[ detailed description ] embodiments

The invention will be further described with reference to the accompanying drawings:

as shown in fig. 1 to 13, a child vehicle comprises a bottom bracket 1, wherein a front fork assembly 2 which can rotate relative to the bottom bracket 1 and is used for steering the child vehicle is connected to the front side of the bottom bracket 1, a front wheel 31 is connected to the front fork assembly 2, a rear wheel 32 is connected to the rear side of the bottom bracket 1, a carrier 4 which can rotate relative to the bottom bracket 1 in a vertical plane is further connected to the front side of the bottom bracket 1, the positions where the carrier 4 stays include a vertical position and a transverse position, a seat portion 41 for a child to sit when the carrier 4 stays in the transverse position is arranged on the carrier 4, a rotating rod 5 which can rotate in the carrier 4 when the carrier stays in the vertical position or the transverse position is arranged in the carrier 4, a connecting position 8 for connecting a steering handle 6 when the carrier 4 is in the vertical position and for connecting a control lever 7 when the carrier 4 is in the transverse position is arranged on the rotating rod 5, the front fork assembly 2 is provided with a plugging position 23 for connecting a steering handle 6 when the bearing frame 4 moves to the transverse position, and a transmission structure 9 which can drive the front fork assembly 2 to rotate and enable the front wheel 31 to steer when the rotating rod 5 rotates relative to the bearing frame 4 is further arranged between the rotating rod 5 and the front fork assembly 2. When the bearing frame 4 stays at the vertical position, the steering handle 6 is connected into the connecting position 8 on the rotating rod 5, at the moment, a child can drive the rotating rod 5 to rotate relative to the bearing frame 4 by controlling the steering handle 6, and the front fork assembly 2 is driven to rotate by the transmission structure 9 between the rotating rod 5 and the front fork assembly 2 in the process that the rotating rod 5 rotates relative to the bearing frame 4, so that the steering of the front wheel 31 is realized, and the buggy is used as a scooter; when bearing frame 4 stops in the horizontal position, turn to in 6 grafting position 23 that is connected to on the front fork subassembly 2, children can take and ride on bearing frame 4, and more importantly, when bearing frame 4 stops in the horizontal position, can also connect control rod 7 in the position of connection 8 of dwang 5, control rod 7 can supply the adult to control the child's bike, when the adult makes dwang 5 bear frame 4 rotation relatively through control rod 7, dwang 5 just drives front fork subassembly 2 through its transmission structure 9 between the front fork subassembly 2 and rotates, thereby realize turning to of child's bike, just so realized that the adult realizes through control rod 7 that the child's bike turns to, under the condition of using control rod 7, especially adapted young children play that the control power is weak. Thus, turning of the buggy is achieved during rotation of the swivelling levers 5 relative to the carrier, irrespective of whether the carrier 4 is standing in the vertical or in the transverse position. Therefore, the baby carriage can be used for children to stand and slide and also can be used for children to ride and ride, not only can be used for older children to play by oneself, but also can be used for children with low control force to play under the nursing of adults, and when the younger children with low control force play, adults can operate the baby carriage through the operating rod to ensure safety.

As shown in fig. 2 to 7 and 11 to 13, the transmission structure 9 includes an inclined long hole 91 formed in the front fork assembly 2, the rotation lever 5 is provided with a driving shaft 92 which can rotate in the inclined long hole 91 when the bearing frame 4 rotates relative to the bottom bracket 1 and can push the hole wall of the inclined long hole 91 to rotate the front fork assembly 2 when the rotation lever 5 rotates relative to the bearing frame 4, and the driving shaft 92 is inserted into the inclined long hole 91 along the left-right direction of the stroller. When the carrier 4 is switched between the vertical position and the transverse position, the carrier 4 is rotated in the vertical plane relative to the base frame 1, and at the same time the drive shaft 92 is rotated in the angled slot 91 so that the swivelling levers 5 follow the movement of the carrier 4. When the bearing frame 4 is in the vertical position and the rotating rod 5 rotates relative to the bearing frame 4, the outer side wall of the driving shaft 92 exerts a force on the hole wall of the inclined long hole 91, so that the front fork assembly 2 is pushed to rotate relative to the bottom bracket 1, and the front wheel 31 is steered. When the carriage 4 is in the lateral position and the turning lever 5 is turned relative to the carriage 4, one end of the driving shaft 92 presses down the lower side wall of the slanted long hole 91, and the other end applies an upward force to the upper side wall of the slanted long hole 91, and since the driving shaft 92 is inserted into the slanted long hole 91 in the left-right direction of the stroller, in this case, the driving shaft 92 drives the front fork assembly 2 to turn, thereby turning the front wheel 31.

As shown in fig. 2 to 7 and fig. 11 to 13, the longitudinal section of the slanted long hole 91 is a strip and has a first end 91a and a second end 91b, the first end 91a is located at the front side of the driving shaft 92, the second end 91b is located at the rear side of the driving shaft 92, and the height of the first end 91a from the ground is lower than that of the second end 91b from the ground. Therefore, when the bearing frame 4 is located at the vertical position, the driving shaft 92 pushes the side wall of the inclined long hole 91 to drive the front fork assembly 2 to rotate in the process that the rotating rod 5 rotates relative to the bearing frame 4, and when the bearing frame 4 is located at the horizontal position, in the process that the rotating rod 5 rotates relative to the bearing frame 4, one end of the driving shaft 92 applies an acting force to the lower side wall of the inclined long hole 91, and the other end applies an acting force to the upper side wall of the inclined long hole 91 to further push the front fork assembly 2 to rotate. The whole structure is simple and compact, and the design is ingenious.

As shown in fig. 5, 12 and 13, the front fork assembly 2 includes a fork body 21 for connecting the front wheel 31, the fork body 21 is connected with a pillar 22, the inclined slot 91 is arranged on the pillar 22 along the left-right direction of the stroller, the lower end of the rotating rod 5 is provided with a U-shaped fork 51 for inserting the upper end of the pillar 22, and the U-shaped fork 51 is provided with the driving shaft 92. Thus, when the carrier 4 is rotated in a vertical plane relative to the base frame 1, the U-shaped fork can give way for the upper end of the upright 22, so that the swivelling lever 5 can also move together with the carrier 4, during which the drive shaft 92 is rotated in the oblique elongated hole 91.

As shown in fig. 3, 5, 7, 12 and 13, the column 22 is a cylindrical tubular structure. Thus, the slanted slots 91 are divided into two and bilaterally symmetrical with respect to the posts 22, and when the carriage 4 is in the lateral position and the turn lever 5 is turned with respect to the carriage 4, one end of the drive shaft 92 presses down the lower side wall of one slanted slot and the other end of the drive shaft 92 pushes up the upper side wall of the other slanted slot, so that the front fork assembly 2 is more easily turned, and the turn of the buggy by the adult is more conveniently controlled by the operating lever 7. During operation, an adult can rotate the swivelling levers 5 relative to the carrier frame 4 by pulling the operating lever 7 to the left or right in the direction of the arrow in fig. 13.

As shown in fig. 3 and 7, when the carriage 4 stays in the vertical position, the central axis 92a of the drive shaft 92 always intersects with and is perpendicular to the rotation axis 2a of the front fork assembly 2. Thus, when the carriage 4 is in the vertical position, the child can more easily steer the front wheel by turning the steering handle 6 to drive the front fork assembly 2.

As shown in fig. 12 and 13, when the carriage 4 stays in the lateral direction and the front wheels 31 are not steered, the driving shaft 92 is parallel to the horizontal ground 100, and when the carriage 4 stays in the lateral direction and the front wheels 31 are steered, the driving shaft 92 has a higher end and a lower end and is inclined with respect to the horizontal ground 100.

As shown in fig. 1 and 8, the bottom bracket 1 includes a front bracket 11, a left rear bracket 12 and a right rear bracket 13 which can be opened and closed by rotating relative to the front bracket 11, the rear wheel 32 includes a left wheel 321 connected to the left rear bracket 12 and a right wheel 322 connected to the right rear bracket 13, the front fork assembly 2 is connected to the front bracket 11, the left wheel 321 includes a left wheel bracket 3211 and a left wheel body 3212 connected to the left wheel bracket 3211, and the left wheel bracket 3211 is rotatably connected to the left rear bracket 12 so that the left wheel 321 can rotate from the outside of the left rear bracket 12 to the inside of the left rear bracket 12; the right wheel 322 comprises a right wheel support 3221 and a right wheel body 3222 connected to the right wheel support 3221, and the right wheel support 3221 is rotatably connected to the right rear frame 13 so that the right wheel 322 can rotate from the outer side of the right rear frame 13 to the inner side of the right rear frame 13. When the adult operates the child car through the operating lever 7, the left rear frame 12 and the right rear frame 13 can be opened, the child car can also be used as a tricycle, and the supporting area on the ground is large, so that the child car is more stable, and the seated child is ensured to be safer. When the control force of the child is trained to increase, the left rear frame 12 and the right rear frame 13 can be folded, but the left wheel 321 is rotated to the outer side of the left rear frame 12 and the right wheel 322 is rotated to the outer side of the right rear frame 13 (as shown in fig. 14 and 15), at this time, the supporting area of the child vehicle on the ground is slightly smaller, and the child vehicle is used as a learning vehicle, so that the balance control force of the child can be further exercised conveniently.

As shown in fig. 8, the front wheel 31 is further connected with a detachable pedal 33. The child can move forward by stepping on the foot pedal 33. When the baby carriage is used as a scooter, the foot pedal 33 is removed.

As shown in fig. 5, when the carriage 4 stays at the setting position, the carriage 4 and the bottom bracket 1 can be locked by a conventional gear tooth socket locking structure 200, which will not be described herein. Furthermore, the engagement between the operating lever 7 and the connecting position 8, the engagement between the steering handle 6 and the connecting position 8, and the engagement between the steering handle 6 and the inserting position 23 can adopt the engagement structure of the card and the card slot, which is not described herein again.

Claims (9)

1. A child's vehicle, characterized in that: comprises a bottom bracket (1), the front side of the bottom bracket (1) is connected with a front fork assembly (2) which can rotate relative to the bottom bracket and is used for steering the baby carriage, the front fork assembly (2) is connected with a front wheel (31), the rear side of the bottom bracket (1) is connected with a rear wheel (32), the front side of the bottom bracket (1) is also connected with a bearing frame (4) which can rotate relative to the bottom bracket in the vertical plane, the position where the bearing frame (4) stops comprises a vertical position and a horizontal position, the bearing frame (4) is provided with a seat part (41) which is used for children to sit when the bearing frame stops in the horizontal position, the bearing frame (4) is internally provided with a rotating rod (5) which can rotate when the bearing frame stops in the vertical position or the horizontal position, the rotating rod (5) is provided with a connecting position (8) which is used for connecting a steering handle (6) when the bearing frame (4) is in the vertical position and is used for connecting an operating rod (7) when the bearing frame (4) is in the horizontal position, front fork subassembly (2) on be equipped with and be used for connecting to turn to grafting position (23) of (6) when bearing frame (4) and remove to the horizontal position, dwang (5) and front fork subassembly (2) between still be equipped with and drive front fork subassembly (2) and rotate and make front wheel (31) can turn to transmission structure (9) when dwang (5) bear frame (4) rotation relatively.

2. The child's vehicle of claim 1, wherein: drive structure (9) including establishing oblique slot hole (91) on front fork subassembly (2), dwang (5) on be equipped with and can push oblique slot hole (91) pore wall and make front fork subassembly (2) pivoted drive shaft (92) when dwang (5) bear frame (4) rotation relatively at oblique slot hole (91) internal rotation and when dwang (5) relatively bear frame (4) rotation, drive shaft (92) wear to establish in oblique slot hole (91) along the bassinet left and right sides direction.

3. Child's vehicle according to claim 2, characterized in that: the longitudinal section of the inclined long hole (91) is strip-shaped and is provided with a first end (91a) and a second end (91b), the first end (91a) is positioned on the front side of the driving shaft (92), the second end (91b) is positioned on the rear side of the driving shaft (92), and the height of the first end (91a) away from the ground is lower than that of the second end (91b) away from the ground.

4. Child's vehicle according to claim 2 or 3, characterized in that: front fork subassembly (2) including fork body (21) that are used for connecting front wheel (31), fork body (21) on be connected with stand (22), oblique slot hole (91) along the bassinet left and right sides direction run through the setting on stand (22), dwang (5) lower extreme be equipped with and supply stand (22) upper end to put into including U-shaped fork (51), U-shaped fork (51) on set up drive shaft (92).

5. Child's vehicle according to claim 4, characterized in that: the upright post (22) is of a cylindrical tubular structure.

6. Child's vehicle according to claim 2 or 3, characterized in that: when the bearing frame (4) stays at the vertical position, the central axis (92a) of the driving shaft (92) and the rotation axis (2a) of the front fork assembly (2) are always intersected and are mutually vertical.

7. Child's vehicle according to claim 2 or 3, characterized in that: when the bearing frame (4) stays in the transverse direction and the front wheels (31) are not steered, the driving shaft (92) is parallel to the horizontal ground (100), and when the bearing frame (4) stays in the transverse direction and the front wheels (31) are steered, one end of the driving shaft (92) is higher, the other end of the driving shaft is lower, and the driving shaft is inclined relative to the horizontal ground (100).

8. The child's vehicle of claim 1, wherein: the bottom support frame (1) comprises a front support frame (11), a left rear frame (12) and a right rear frame (13) which can rotate relative to the front support frame (11) to open and close, the rear wheel (32) comprises a left wheel (321) connected to the left rear frame (12) and a right wheel (322) connected to the right rear frame (13), the front fork assembly (2) is connected to the front support frame (11), the left wheel (321) comprises a left wheel bracket (3211) and a left wheel body (3212) connected to the left wheel bracket (3211), and the left wheel bracket (3211) and the left rear frame (12) are rotatably connected to enable the left wheel (321) to rotate from the outer side of the left rear frame (12) to the inner side of the left rear frame (12); the right wheel (322) comprises a right wheel support (3221) and a right wheel body (3222) connected to the right wheel support (3221), and the right wheel support (3221) is rotatably connected with the right rear frame (13) so that the right wheel (322) can rotate from the outer side of the right rear frame (13) to the inner side of the right rear frame (13).

9. The child's vehicle of claim 1, wherein: the front wheel (31) is also connected with a detachable pedal (33).

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