CN214215901U - Children's barrow - Google Patents

Abstract

The utility model discloses a children's barrow, which comprises a foldable frame, the frame comprises a front supporting component which can rotate mutually and approach each other, the baby stroller comprises a rear supporting component and a push rod component, the front supporting component comprises a front leg and a front wheel arranged at the lower end of the front leg, the rear supporting component comprises a rear leg rotatably connected with the front supporting component, the lower end of the rear leg is provided with a rear wheel, the frame is further connected with a seat component, a supporting plate is arranged on the frame, a driving sheet hinged with the front supporting component and a driving sheet hinged with the front supporting component are arranged between the supporting plate and the front supporting component, one end of the driving sheet is hinged with the front supporting component around a first axis, the other end of the driving sheet is hinged with the rear side of the supporting plate around a second axis, a sliding sleeve capable of sliding along the front leg is arranged on the front leg, the sliding sleeve is rotatably connected with the supporting plate around a third axis, so that the supporting plate moves towards the front side and approaches the front leg when the baby stroller is folded, and a locking mechanism used for locking the supporting plate and the front supporting component is arranged between the supporting component and the front supporting component. The utility model discloses simple structure, folding easy and simple to handle.

Description

Children's barrow

[ technical field ] A method for producing a semiconductor device

The utility model relates to a children's shallow.

[ background of the invention ]

The baby stroller is a common product in the growth process of children. The current children's shallow generally all includes folding frame and the seat subassembly of connection on the frame, but the seat subassembly of current general children's shallow is more complicated with the connection structure of frame, leads to when folding seat subassembly relative frame, and the seat subassembly can not conveniently be drawn close with the frame and fold, operates inconveniently.

Therefore, the present invention is based on the above disadvantages.

[ Utility model ] content

The utility model aims at overcoming the defects of the prior art and providing a baby stroller with simple structure and simple and convenient folding operation.

The utility model discloses a realize through following technical scheme:

the utility model provides a children's shallow, includes folding frame 100, frame 100 including can the mutual rotation and the preceding supporting component 1, back supporting component 2 and the push rod subassembly 3 that draw close, preceding supporting component 1 include preceding leg 11 and establish the front wheel 12 at the 11 lower extremes of preceding leg, back supporting component 2 include the back leg 21 of being connected with preceding supporting component 1 rotation, the 21 lower extremes of back leg be equipped with rear wheel 22, frame 100 on still be connected with seat subassembly 200, its characterized in that: frame 100 on be equipped with the backup pad 81, backup pad 81 and preceding supporting component 1 between be equipped with the both articulated driving strap 82, driving strap 82 one end with preceding supporting component 1 around first axis A articulated, the other end with backup pad 81 rear side around second axis B articulated, preceding leg 11 on be equipped with and follow its gliding sliding sleeve 83, sliding sleeve 83 and backup pad 81 rotate around third axis C and be connected and make when children's shallow is folded backup pad 81 remove to the front side and draw close on preceding leg 11, backup pad 81 and preceding supporting component 1 between be equipped with and be used for locking the locking mechanical system 84 of the two.

The stroller as described above, characterized in that: the locking mechanism 84 comprises a protruding seat 14 arranged on the front support component 1, a locking pin 841 capable of moving transversely relative to the protruding seat 14 is arranged on the protruding seat 14, a locking groove 842 capable of being clamped with the locking pin 841 is arranged on the transmission sheet 82, a key 843 capable of ejecting the locking pin 841 out of the locking groove 842 when being pressed is arranged on the supporting plate 81, and a fourth return spring capable of pushing the locking pin 841 to return is further arranged in the protruding seat 14.

The stroller as described above, characterized in that: the protruding seat 14 is of a hollow structure, the protruding seat 14 is rotatably connected with a rotating seat 15 capable of sealing the hollow space, a torsion spring 16 is arranged between the rotating seat 15 and the protruding seat 14, an arc-shaped hole 17 is further formed in the protruding seat 14, and a sliding pin 18 capable of sliding in the arc-shaped hole 17 when the rotating seat 15 rotates is arranged on the rotating seat 15.

The stroller as described above, characterized in that: the protruding seat 14 extends upward, and the supporting plate 81 is provided with a slot 88 for inserting the protruding seat 14.

The stroller as described above, characterized in that: a backrest 85 which can be rotated and folded relative to the supporting plate 81 is arranged at the rear side of the supporting plate 81, a front rod 86 is also rotatably connected to the supporting plate 81 and positioned in front of the backrest 85, and a side rod 87 which is rotatably connected with the upper end of the front rod 86 and the backrest 85 is arranged between the upper end of the front rod 86 and the backrest 85.

The stroller as described above, characterized in that: the upper end of the front leg 11 is provided with a connecting seat 13, the push rod assembly 3 and the rear leg 21 are rotatably connected on the connecting seat 13, and the position where the rear leg 21 is connected with the connecting seat 13 is positioned at the front side of the position where the push rod assembly 3 is connected with the connecting seat 13.

The stroller as described above, characterized in that: the protruding seat 14 is disposed on the connecting seat 13, and the driving plate 82 is rotatably connected to the connecting seat 13.

Compared with the prior art, the utility model discloses there is following advantage: the utility model discloses a be equipped with between backup pad and the preceding supporting component with the two articulated driving disk, driving disk one end is articulated around the primary shaft with preceding supporting component, and the other end is articulated around the secondary shaft with the backup pad rear side, is equipped with on the foreleg to prolong its gliding sliding sleeve, and sliding sleeve and backup pad rotate around the third axis and are connected and make when children's shallow is folding the backup pad move to the front side and draw close on the foreleg. The seat assembly comprises a supporting plate or is an independent component which can be detachably connected with the supporting plate, when the seat assembly needs to be folded relative to the frame, the locking mechanisms of the supporting plate and the front supporting assembly are unlocked, then the supporting plate is pushed forwards, the driving piece, the supporting plate and the front supporting assembly rotate relatively, the sliding sleeve slides downwards along the front leg and drives the supporting plate to move downwards and forwards, and therefore the seat assembly is close to the front leg. In the folding process, only the locking mechanism needs to be unlocked and then the seat component is pushed forward, so that the folding mechanism is simple and convenient to operate, compact after being folded and ingenious in structural design.

[ description of the drawings ]

Fig. 1 is a side view of the present invention;

FIG. 2 is a perspective view of the present invention;

fig. 3 is a partial cross-sectional view of the present invention;

fig. 4 is an exploded view of components of the present invention;

fig. 5 is a side view of the present invention in a folded state;

fig. 6 is a side view of the vehicle frame of the present invention;

fig. 7 is a perspective view of the frame of the present invention;

figure 8 is a perspective view of components of the frame of the present invention;

figure 9 is a cross-sectional view of the frame of the present invention;

FIG. 10 is an enlarged view at D of FIG. 9;

fig. 11 is an enlarged view at E in fig. 9.

[ detailed description ] embodiments

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

as shown in fig. 1 to 5, a stroller comprises a foldable frame 100, the frame 100 comprises a front support assembly 1, a rear support assembly 2 and a push rod assembly 3 which can rotate with each other and get close, the front support assembly 1 comprises a front leg 11 and a front wheel 12 arranged at the lower end of the front leg 11, the rear support assembly 2 comprises a rear leg 21 rotatably connected with the front support assembly 1, the lower end of the rear leg 21 is provided with a rear wheel 22, the frame 100 is further connected with a seat assembly 200, the frame 100 is provided with a support plate 81, a driving plate 82 hinged with the support plate 81 and the front support assembly 1 is arranged between the support plate 81 and the front support assembly 1, one end of the driving plate 82 is hinged with the front support assembly 1 around a first axis a, the other end is hinged with the rear side of the support plate 81 around a second axis B, the front leg 11 is provided with a sliding sleeve 83 capable of sliding along the front leg, the sliding sleeve 83 is rotatably connected with the supporting plate 81 around a third axis C, so that when the stroller is folded, the supporting plate 81 moves forward to close the front legs 11, and a locking mechanism 84 for locking the supporting plate 81 and the front support assembly 1 is arranged between the two. When it is desired to fold the seat assembly 200 relative to the frame 100, the support plate 81 is unlocked from the locking mechanism 84 of the front support assembly 1 and the support plate 81 is pushed forward, the driver blade 82 rotates relative to the support plate 81 and the front support assembly 1, and the sliding sleeve 83 slides down the front leg 11 and carries the support plate 81 to move forward and downward, thereby enabling the seat assembly 200 to be drawn onto the front leg 11. During the folding process, the locking mechanism 84 is unlocked and then the seat assembly 200 is pushed forward, so that the folding seat is simple and convenient to operate and has a skillful structural design. In this embodiment, a child may be seated on the support plate 81, with the support plate 81 being part of the seat assembly 200. Of course, the seat assembly 200 may be other separate members that may be removably coupled to the support plate 81, and in which a child may be seated, and that may be coupled to or decoupled from the support plate 81 during use.

As shown in fig. 3 and 4, the locking mechanism 84 includes a protruding seat 14 disposed on the front support assembly 1, a locking pin 841 capable of moving transversely relative to the protruding seat 14, a locking groove 842 capable of engaging with the locking pin 841 is disposed on the driving plate 82, a button 843 capable of ejecting the locking pin 841 out of the locking groove 842 when being pressed is disposed on the supporting plate 81, and a fourth return spring (not shown) capable of pushing the locking pin 841 to return is disposed in the protruding seat 14. When it is desired to fold the seat assembly 200 relative to the frame 100, the push button 843 is depressed, and the push button 843 pushes the latch 841 out of the latch notch 842 in the driving strap 82, so that the driving strap 82 can rotate relative to the front support assembly 1 and the support plate 81, and the support plate 81 can be moved toward the front legs 11.

As shown in fig. 3 and 4, the protruding seat 14 is of a hollow structure, a rotating seat 15 capable of closing the hollow space is rotatably connected to the protruding seat 14, a torsion spring 16 is arranged between the rotating seat 15 and the protruding seat 14, an arc-shaped hole 17 is further formed in the protruding seat 14, and a sliding pin 18 capable of sliding in the arc-shaped hole 17 when the rotating seat 15 rotates is arranged on the rotating seat 15. When the stroller is in the unfolded state, the rotating seat 15 is pressed in the protruding seat 14, the torsion spring 16 is in a deformed state, when the seat assembly 200 is drawn close to the front leg 11, the lower side of the supporting plate 81 does not press the rotating seat 15, the torsion spring 16 pushes the rotating seat 15 to rotate upwards to reset, and the rotating seat 15 rotates upwards to occupy a certain space, so that the effect of preventing hands from being clamped is achieved.

As shown in fig. 3 and 4, the protruding seat 14 extends upward, and the supporting plate 81 is provided with an insertion slot 88 into which the protruding seat 14 can be inserted. Through the cooperation of the protruding seat 14 and the slot 88, the seat assembly 200 can move smoothly when the front legs 11 are drawn together, and the seat assembly 200 can be positioned firmly in the unfolded state of the stroller, so that the stroller is prevented from shaking and safety is ensured.

As shown in fig. 1, a backrest 85 capable of rotating and folding relative to the support plate 81 is arranged at the rear side of the support plate 81, a front rod 86 is also rotatably connected to the support plate 81 and positioned in front of the backrest 85, and a side rod 87 rotatably connected to the upper end of the front rod 86 and the backrest 85 is arranged between the upper end of the front rod 86 and the backrest. The arrangement of the backrest 85, the front bar 86 and the side bars 87 is such that the seat assembly 200 assumes a frame configuration in which a child is seated for safety. When folding is required, the backrest 85 is pushed forward, and the front bar 86 and the side bars 87 are rotated relative to each other and brought together with the backrest 85 to the support plate 81.

As shown in fig. 1, a connecting seat 13 is provided at the upper end of the front leg 11, the push rod assembly 3 and the rear leg 21 are rotatably connected to the connecting seat 13, and the position where the rear leg 21 is connected to the connecting seat 13 is located at the front side of the position where the push rod assembly 3 is connected to the connecting seat 13. By the design, the child stroller is simple and compact in structure, flexible to fold during folding operation, and small in size after folding.

As shown in fig. 3 and 4, the protruding seat 14 is disposed on the connecting seat 13, and the driving strap 82 is rotatably connected to the connecting seat 13.

As shown in fig. 1 to 2, 6 and 7, the vehicle frame 100 further includes a transmission assembly 4 disposed between the push rod assembly 3 and the rear leg 21 and capable of pushing the rear support assembly 2 and the front support assembly 1 to be close to each other when the push rod assembly 3 rotates downward relative to the front support assembly 1, the transmission assembly 4 includes a sliding member 41 capable of sliding along the push rod assembly 3, and a transmission rod 42 rotatably connected to the sliding member 41 and the rear leg 21 is disposed between the sliding member 41 and the rear leg 21. When the frame of the baby stroller is folded, the push rod assembly 3 is rotated downwards relative to the front support assembly 1, the lower end of the transmission rod 42 pushes the rear leg 21 to enable the rear leg 21 and the front leg 11 to be close to each other in the downward rotating process of the push rod assembly 3, the sliding piece 41 slides along the push rod assembly 3 in the process, and finally the front leg 11, the rear leg 12 and the push rod assembly 3 are close to each other, and the size is small after folding. And when folding, only need to rotate push rod assembly 3 downwards can realize the frame is folding, operate very convenient and fast. When the stroller is folded as a whole, the seat assembly 200 is folded with respect to the frame 100 by first tilting the seat assembly 200 forward on the front legs 11, and then the push rod assembly 3 is rotated to fold the frame 100.

As shown in fig. 6 to 11, the push rod assembly 3 includes a push rod 31 rotatably connected to the connecting seat 13, a push rod 32 is disposed in the push rod 31 and can slide therein, the sliding member 41 is sleeved on the push rod 31, a first locking device 5 is disposed between the sliding member 41 and the push rod 31 and used for locking the sliding member and the push rod 31 and can be driven by the push rod 32 to unlock when the push rod 32 slides downwards, and a second locking device 6 is disposed between the lower end of the push rod 31 and the connecting seat 13 and can be driven by the push rod 32 which continues to slide downwards to unlock the first locking device 5. The handle bar 32 slides in the lower push rod 31, and the handle bar 32 is pulled out when the child stroller is pushed, and the handle bar 32 is pushed into the lower push rod 31 when the child stroller is folded. When the stroller is folded, the push rod 32 is pushed downwards, the lower end of the push rod 32 drives the first locking device 5 to unlock, at this time, although the first locking device unlocks 5, the stroller still cannot be folded because the second locking device 6 is further arranged between the lower push rod 31 and the connecting seat 13, at this time, the push rod 32 is required to continuously slide downwards, and after the lower end of the push rod 32 touches the second locking device 6 and unlocks the second locking device 6, the stroller can be folded. Therefore, when the frame is unlocked, the hand push rod 32 needs to slide downwards all the time and unlock the first locking device 5 and the second locking device 6 in sequence, so that the first locking device 5 is prevented from being folded after being unlocked, and the effect of ensuring safety is further achieved.

As shown in fig. 9 and 10, the first locking device 5 includes a locking hole 51 formed in the lower push rod 31, a locking plate 52 capable of sliding therein and being locked in the locking hole 51 is disposed in the sliding member 41, an inclined surface 53 capable of contacting with the lower end of the push rod 32 when the push rod 32 slides downward and allowing the locking plate 52 to exit from the locking hole 51 is disposed on the locking plate 52, and a first return spring 54 capable of returning the locking plate 52 is further disposed in the sliding member 41. When the first locking device 5 is unlocked, the lower end of the push rod 32 pushes the inclined surface 53 on the locking plate 52, so that the locking plate 53 moves transversely in the sliding member 41 and is separated from the locking hole 51 on the lower push rod 31, therefore, the first locking device 5 can be unlocked only by pushing the push rod 32 downwards, and the operation is simple, convenient and quick.

As shown in fig. 9 to 10, the second locking device 6 includes a locking groove 61 provided on the connecting base 13, a hinge base 33 rotatably connected to the connecting base 13 is provided at a lower end of the lower push rod 31, a locking pin 62 capable of sliding relative to the hinge base 33 to engage with or disengage from the locking groove 61 is provided in the hinge base 33, a sliding rod 63 capable of being pushed by a lower end of the push rod 32 to move downward is further provided in the lower push rod 31, the sliding rod 63 is connected to the locking pin 62 and pushes the locking pin 62 out of the locking groove 61 when the sliding rod 63 moves downward, an arc-shaped groove 64 communicated with the locking groove 61 and capable of allowing the locking pin 62 to move inward after the locking pin 62 is withdrawn from the locking groove 61 is further provided in the connecting base 13, and a second return spring 65 capable of returning the sliding rod 63 is further provided in the hinge base 33. After the first locking device 5 is unlocked, the hand push rod 32 continues to slide downwards, in the sliding process, the hand push rod 32 touches the sliding rod 63 and pushes the sliding rod 63 to slide downwards, the sliding rod 63 pushes the locking pin 62 connected with the sliding rod 63 to move downwards in the downward sliding process, the locking pin 62 retreats from the locking groove 61 on the connecting seat 13 and enters the arc-shaped groove 64 on the connecting seat 13 in the downward moving process, once the locking pin 62 enters the arc-shaped groove 64, the lower push rod 31 can rotate relative to the connecting seat 13, and at the moment, the frame 100 can be folded. Therefore, when the frame 100 needs to be folded, the two-fold unlocking can be realized only by pushing the hand push rod 32 downwards all the time, and the operation is very convenient and fast.

As shown in fig. 9 and 11, the hand push rod 32 has a fixed seat 321 at a lower end thereof, a movable rod 71 is disposed in the fixed seat 321 and can move up and down therein, an inclined wall 72 is disposed at a lower end of the movable rod 71, a locking pin 73 is further disposed in the fixed seat 321, is engaged with the inclined wall 72 and can be pushed by the inclined wall 72 to move transversely when the movable rod 71 moves downwards, a locking hole 74 capable of being engaged with the locking pin 73 is disposed in the lower push rod 31, a third return spring 75 capable of pushing the locking pin 73 to return is further disposed in the fixed seat 321, and a driving rod 76 capable of pushing the movable rod 71 to move downwards after being pressed is disposed in the hand push rod 32. The locking hole 74 and the locking pin 73 are matched to position the hand push rod 32 and the lower push rod 31 with each other, when the hand push rod 32 needs to slide, only the driving rod 76 needs to be pushed downwards, the driving rod 76 pushes the movable rod 71 to move downwards, the inclined wall 72 on the movable rod 71 pushes the locking pin 73 to move transversely to be separated from the locking hole 74, and the operation is simple and convenient.

As shown in fig. 6 and 10, the transmission rod 42 includes a lower transmission rod 421 rotatably connected to the rear leg 21 and an upper transmission rod 422 rotatably connected to the sliding member 41, the upper transmission rod 422 is connected to the lower transmission rod 421 in a sleeved manner and can slide relatively, the middle of the upper transmission rod 422 is fixedly connected to the abutting seat 423, and a damping spring 424 is disposed between the abutting seat 423 and the lower transmission rod 421 and sleeved on the upper transmission rod 422. When the stroller travels on an uneven road surface, the lower transmission rod 421 and the upper transmission rod 422 slide relatively, and the damping spring 424 plays a role in damping, so that the stroller is comfortable for children to ride.

Claims (7)

1. The utility model provides a children's shallow, includes folding frame (100), frame (100) including preceding supporting component (1), back supporting component (2) and push rod subassembly (3) that can rotate each other and draw close, preceding supporting component (1) include preceding leg (11) and establish front wheel (12) at preceding leg (11) lower extreme, back supporting component (2) include and rotate back leg (21) of being connected with preceding supporting component (1), back leg (21) lower extreme be equipped with rear wheel (22), frame (100) on still be connected with seat subassembly (200), its characterized in that: frame (100) on be equipped with backup pad (81), backup pad (81) and preceding supporting component (1) between be equipped with the two articulated transmission piece (82), transmission piece (82) one end and preceding supporting component (1) around first axis (A) articulated, the other end and backup pad (81) rear side around second axis (B) articulated, preceding leg (11) on be equipped with and to follow its gliding sliding sleeve (83), sliding sleeve (83) and backup pad (81) rotate around third axis (C) and be connected and make when children's shallow folding backup pad (81) remove to the front side and draw close to on preceding leg (11), backup pad (81) and preceding supporting component (1) between be equipped with locking mechanical system (84) that are used for locking the two.

2. The stroller of claim 1, wherein: locking mechanical system (84) including establishing protrusion seat (14) on preceding supporting component (1), protrusion seat (14) on be equipped with can be relative its lateral shifting's kayser round pin (841), driving plate (82) on be equipped with can with kayser round pin (841) block kayser groove (842), backup pad (81) on be equipped with can be with kayser round pin (841) from kayser groove (842) ejecting button (843) in pressing down, protrusion seat (14) in still be equipped with the fourth reset spring that can push kayser round pin (841) and reset.

3. The stroller of claim 2, wherein: the novel motor is characterized in that the protruding seat (14) is of a hollow structure, the protruding seat (14) is connected with a rotating seat (15) capable of sealing the hollow space in a rotating mode, a torsion spring (16) is arranged between the rotating seat (15) and the protruding seat (14), an arc-shaped hole (17) is further formed in the protruding seat (14), and a sliding pin (18) capable of sliding in the arc-shaped hole (17) when the rotating seat (15) rotates is arranged on the rotating seat.

4. The stroller of claim 2, wherein: the protruding seat (14) extends upwards, and the supporting plate (81) is provided with a slot (88) into which the protruding seat (14) can be inserted.

5. The stroller of claim 1, wherein: the utility model discloses a chair, including backup pad (81), backup pad (81) rear side be equipped with can rotate folding back (85) rather than, backup pad (81) on and be located the place ahead of back (85) still rotate and be connected with front rod (86), be equipped with between front rod (86) upper end and back (85) with both rotate the side lever (87) of being connected.

6. The stroller of claim 1, wherein: preceding leg (11) upper end be equipped with connecting seat (13), push rod subassembly (3) and back leg (21) rotate to be connected on connecting seat (13), and back leg (21) be located the front side that push rod subassembly (3) and connecting seat (13) are connected the position with connecting seat (13) and be connected the position.

7. The stroller of claim 6, wherein: the transmission piece (82) is rotationally connected to the connecting seat (13).

Images