CN220639986U - Child cart - Google Patents

Abstract

The utility model discloses a child stroller, which comprises front legs, wherein the lower ends of the front legs are connected with front wheels, the front legs are connected with rear legs, the lower ends of the rear legs are connected with rear wheels, the rear legs are connected with sliding parts capable of sliding along the rear legs, the sliding parts are connected with stay bars, and a linkage part which is rotationally connected with the front legs and the sliding parts is arranged between the front legs and the sliding parts. The utility model relates to a method for manufacturing a semiconductor device. When the child stroller needs to be folded, the locking device is unlocked firstly, then the stay bar is pushed to rotate around the second axis B relative to the sliding piece, in the process of the rotation of the stay bar relative to the sliding piece, the sliding piece is pushed by the stay bar to slide downwards along the rear leg, in the process of the sliding piece, one end of the sliding piece is pulled to move, the sliding piece rotates relative to the sliding piece, one end of the sliding piece moves downwards along with the sliding piece, the other end of the sliding piece rotates relative to the front leg, at the moment, the rear leg is driven by the sliding piece to be close to the front leg, and when the stay bar is close to the rear leg, the whole child stroller is folded.

Description

Child cart

[ field of technology ]

The utility model relates to a child stroller.

[ background Art ]

At present, the child cart has become an indispensable article for the child in the growth process. The children's barrow on the market can be folded or unfolded generally, but the existing children's barrow is complex in transmission structure, more in connecting rods and larger in volume after folding. Therefore, a child stroller with a simple structure and a small size after folding is very desirable.

The utility model further provides a novel embodiment.

[ utility model ]

The utility model aims to overcome the defects of the prior art and provide the child cart which is convenient to fold and unfold, simple in folding structure and small in volume after folding.

The utility model is realized by the following technical scheme:

the utility model provides a children's shallow, can follow the expansion position and remove to folding position after unlocking locking device, includes front leg 11, front leg 11 lower extreme be connected with front wheel 111, front leg 11 on rotate around first axis B and be connected with back leg 12, back leg 12 lower extreme be connected with rear wheel 121, back leg 12 on be connected with and follow its gliding slider 13, slider 13 on be connected with around the relative pivoted vaulting pole 14 of second axis B, front leg 11 and slider 13 between be equipped with the two rotate and be connected and can drive back leg 12 to front leg 11 rotate the link 15 that draws close when slider 13 slides relative back leg 12.

The linkage member 15 is a seat board, one end of the linkage member 15 is rotatably connected to the front leg 11 around a third axis C, and the other end of the linkage member 15 is rotatably connected to the sliding member 13 around a fourth axis D.

The armrest assembly 2 which can follow unfolding or folding when the stay bar 14 rotates and unfolds or folds relative to the rear leg 12 is arranged between the front leg 11 and the stay bar 14.

The armrest assembly 2 comprises an armrest rod 21 rotatably connected to the front leg 11 around a fifth axis E, a connecting sleeve 22 sleeved on the stay bar 14 and capable of sliding along the stay bar 14 is connected to the armrest rod 21, and the connecting sleeve 22 is rotatably connected with the armrest rod 21 around a sixth axis F.

The sliding member 13 includes a sliding sleeve 131 slidably connected to the rear leg 12, a connecting protrusion 132 protruding from the sliding sleeve 131, and the stay 14 rotatably connected to the connecting protrusion 132 around the second axis B.

The front leg 11 comprises a front leg rod 112, the upper end of the front leg rod 112 is connected with a front leg seat 113, the front leg seat 113 is provided with a connecting part 114 which is arranged in a downward inclined mode, the rear leg 12 is rotationally connected to the connecting part 114 around a first axis B, the front end of the grab rail 21 is rotationally connected to the front leg seat 113 around a fifth axis E, and the lower end of the front leg rod 112 is connected with a front wheel 111.

The linkage 15 is connected with a backrest rod 16 which can be unfolded or folded in a rotating way relative to the linkage.

The locking device comprises a locking assembly 3 arranged among a rear leg 12, a sliding piece 13 and a supporting rod 14, wherein the locking assembly 3 comprises a locking position 31 arranged on the sliding piece 13, a locking piece 32 which can slide relatively to the rear leg 12 and is clamped in or separated from the locking position 31 is arranged on the rear leg 12, a pushing piece 33 which can slide relatively to the supporting rod 14 and pushes the locking piece 32 to separate from the locking position 31 is arranged on the supporting rod 14, a push rod 17 which can slide relatively to the supporting rod 14 is connected in the supporting rod 14, a pushing part 171 which can push the pushing piece 33 to slide when the supporting rod 17 slides downwards relatively to the supporting rod 14 is arranged at the lower end of the push rod 17, a first elastic reset piece 34 which can push the locking piece 32 to reset is arranged between the locking piece 32 and the rear leg 12, and a second elastic reset piece 35 which can push the pushing piece 33 to reset is arranged between the pushing piece 33 and the supporting rod 14.

The locking assembly 4 capable of locking the two is arranged between the supporting rod 14 and the pushing rod 17, the locking assembly 4 comprises a plurality of locking positions 41 which are arranged on the supporting rod 14 at intervals, a locking piece 42 which can slide relatively to the pushing rod 17 and be clamped into or separated from the locking positions 41 is arranged in the pushing rod 17, a first sliding seat 43 which can slide relatively to the pushing locking piece 42 is arranged on the supporting rod 14, a second sliding seat 44 is arranged at the upper end of the pushing rod 17, a guy cable 45 which can drive the first sliding seat 43 when the second sliding seat 44 slides is arranged between the second sliding seat 44 and the first sliding seat 43, an operating piece 46 which can slide by pushing the second sliding seat 44 is further arranged on the supporting rod 14, a first elastic piece 47 which can reset by pushing piece 46 is arranged between the operating piece 46 and the pushing rod 17, a second elastic piece 48 which can reset by sliding by pushing the second sliding seat 44 is arranged between the second sliding seat 44 and the pushing rod 17, a third elastic piece 49 which can reset by pushing piece 42 is arranged between the first sliding seat 43 and the pushing rod 17, and the fourth elastic piece 42 which can reset by pushing piece 40 is arranged between the pushing piece 43 and the pushing rod 17.

Compared with the prior art, the utility model has the following advantages:

1. the utility model relates to a method for manufacturing a semiconductor device. When the child stroller needs to be folded, the locking device is unlocked firstly, then the stay bar is pushed to rotate around the second axis B relative to the sliding piece, in the process of the rotation of the stay bar relative to the sliding piece, the sliding piece is pushed by the stay bar to slide downwards along the rear leg, in the process of the sliding piece, one end of the sliding piece is pulled to move, the sliding piece rotates relative to the sliding piece, one end of the sliding piece moves downwards along with the sliding piece, the other end of the sliding piece rotates relative to the front leg, at the moment, the rear leg is driven by the sliding piece to be close to the front leg, and when the stay bar is close to the rear leg, the whole child stroller is folded.

2. After unlocking the locking device, the supporting rod is pushed to rotate towards the rear leg to be close, the folding structure is simple, the folding operation is convenient, and the folded device is small in size and convenient to store and carry.

3. When the sliding piece slides, the sliding piece pulls one end of the linkage piece to move, one end of the linkage piece rotates around the fourth axis D relative to the sliding piece and moves downwards along with the linkage piece, the other end of the linkage piece rotates around the next relative front leg of the third axis C at the moment, and the rear leg rotates towards the front leg to be close under the drive of the linkage piece.

4. The hand rest assembly is convenient for children to place hands when taking, and can support the stay bars after being unfolded, so that the stay bars are more stable and safer when being unfolded.

[ description of the drawings ]

FIG. 1 is a perspective view of a child stroller of the present utility model;

FIG. 2 is a side view of the child stroller of the present utility model;

FIG. 3 is a collapsed state view of the child stroller of the present utility model;

FIG. 4 is a cross-sectional view of the stay, rear leg, slider and locking assembly of the child stroller of the present utility model;

FIG. 5 is a cross-sectional view of one of the brace, push rod and locking assembly of the child stroller of the present utility model;

FIG. 6 is a second cross-sectional view of the brace, push rod and locking assembly of the child stroller of the present utility model;

FIG. 7 is an exploded view of the push rod and closure assembly of the stroller of the present utility model;

fig. 8 is an exploded view of the brace, push rod and locking assembly of the stroller of the present utility model.

[ detailed description ] of the utility model

The utility model is further described below with reference to the accompanying drawings:

as shown in fig. 1 to 8, the utility model provides a stroller capable of moving from an unfolded position to a folded position after unlocking a locking device, comprising a front leg 11, wherein the lower end of the front leg 11 is connected with a front wheel 111, the front leg 11 is rotatably connected with a rear leg 12 around a first axis B, the lower end of the rear leg 12 is connected with a rear wheel 121, the rear leg 12 is connected with a sliding piece 13 capable of sliding along the rear leg 12, the sliding piece 13 is connected with a supporting rod 14 which rotates around a second axis B relative to the sliding piece 13, and a linkage piece 15 which is rotatably connected with the front leg 11 and the sliding piece 13 and can drive the rear leg 12 to rotate towards the front leg 11 when the sliding piece 13 slides relative to the rear leg 12 is arranged between the front leg 11 and the sliding piece.

When the child stroller needs to be folded, the locking device is unlocked firstly, then the stay bar 14 is pushed to rotate around the second axis B relative to the sliding part 13, in the process that the stay bar 14 rotates relative to the sliding part 13, the sliding part 13 is pushed by the stay bar 14 to slide downwards along the rear leg 12, in the process that the sliding part 13 slides, one end of the sliding part 13 pulls the linkage part 15 to move, the linkage part 15 rotates relative to the sliding part 13 and one end of the linkage part moves downwards along with the sliding part 13, the other end of the linkage part 15 rotates relative to the front leg 11, at the moment, the rear leg 12 is driven by the linkage part 15 to be close to the front leg 11, and when the stay bar 14 is close to the rear leg 12, the rear leg 12 is close to the front leg 11, the whole child stroller is folded. After unlocking the locking device, the stay bar 14 is pushed to rotate towards the rear leg 12, so that the folding structure is simple, the folding operation is convenient, and the folded structure is small in size and convenient to store and carry.

As shown in fig. 1 to 3, the linkage 15 is a seat plate, one end of the linkage 15 is rotatably connected to the front leg 11 around a third axis C, and the other end of the linkage 15 is rotatably connected to the slider 13 around a fourth axis D. The link 15 is a seat plate, and when the link 15 is unfolded following the front leg 11 and the rear leg 12, it is unfolded, and can be directly seated. When the sliding member 13 slides, the sliding member 13 pulls one end of the linkage member 15 to move, one end of the linkage member 15 rotates around the fourth axis D relative to the sliding member 13 and moves downward along with the linkage member 15, the other end of the linkage member 15 rotates around the third axis C next relative to the front leg 11, and the rear leg 12 rotates towards the front leg 11 under the driving of the linkage member 15.

As shown in fig. 1 to 3, the armrest assembly 2 capable of following the expansion or folding when the stay bar 14 rotates to expand or fold relative to the rear leg 12 is arranged between the front leg 11 and the stay bar 14. The armrest assembly 2 facilitates the placement of hands while a child is seated, while being able to support the brace 14 after deployment, so that the brace 14 is more stable and safer when deployed.

As shown in fig. 1 to 3, the armrest assembly 2 includes an armrest rod 21 rotatably connected to the front leg 11 about a fifth axis E, and a connecting sleeve 22 that is sleeved on the stay 14 and is capable of sliding along the stay 14 is connected to the armrest rod 21, and the connecting sleeve 22 is rotatably connected to the armrest rod 21 about a sixth axis F. When the stay bar 14 rotates relative to the sliding piece 13, the front end of the grab bar 21 rotates relative to the front leg 11 around the fifth axis E, the rear end of the grab bar 21 rotates relative to the connecting sleeve 22 around the sixth axis F, at this time, the grab bar 21 and the stay bar 14 are gradually closed, the armrest assembly 2 is folded, the folding and unfolding are convenient, and only the stay bar 14 needs to be operated. When the armrest assembly 2 is unfolded, the armrest rod 21 and the connecting sleeve 22 are also used for fixing the stay bar 14, so that the stay bar 14 is prevented from shaking back and forth, and the stay bar 14 is more stable and safer when being unfolded.

As shown in fig. 3, the sliding member 13 includes a sliding sleeve 131 slidably connected to the rear leg 12, a connecting protrusion 132 is provided on the sliding sleeve 131, and the stay 14 is rotatably connected to the connecting protrusion 132 about the second axis B. The provision of the coupling protrusion 132 facilitates coupling of the stay bar 14 while also facilitating rotation of the stay bar 14.

As shown in fig. 1 to 3, the front leg 11 includes a front leg rod 112, a front leg seat 113 is connected to an upper end of the front leg rod 112, a connecting portion 114 disposed obliquely downward is disposed on the front leg seat 113, the rear leg 12 is rotatably connected to the connecting portion 114 about a first axis B, a front end of the grab rail 21 is rotatably connected to the front leg seat 113 about a fifth axis E, and a front wheel 111 is connected to a lower end of the front leg rod 112. The front leg rest 113 facilitates the installation of the grab rail 21, while the provided connection 114 facilitates the installation of the rear leg 12.

As shown in fig. 1, the linkage 15 is connected to a backrest rod 16 which can be unfolded or folded in a rotating manner. The back bar 16 facilitates the back rest of the child to allow for more comfort while riding.

As shown in fig. 4 to 5, the locking device includes a locking assembly 3 disposed between a rear leg 12, a sliding member 13 and a supporting rod 14, the locking assembly 3 includes a locking position 31 disposed on the sliding member 13, the rear leg 12 is provided with a locking member 32 capable of sliding relatively to the rear leg to be clamped in or separated from the locking position 31, the supporting rod 14 is provided with a pushing member 33 capable of sliding relatively to the supporting rod to push the locking member 32 to be separated from the locking position 31, the supporting rod 14 is connected with a push rod 17 capable of sliding relatively to the supporting rod 14, a pushing portion 171 capable of sliding the pushing member 33 when the pushing rod 17 slides downwards relative to the supporting rod 14 is disposed at the lower end of the push rod 17, a first elastic reset member 34 capable of resetting the pushing locking member 32 is disposed between the locking member 32 and the rear leg 12, and a second elastic reset member 35 capable of resetting the pushing member 33 is disposed between the pushing member 33 and the supporting rod 14. When the child stroller is folded, the locking assembly is unlocked firstly, the push rod 17 is operated, the push rod 17 slides downwards relative to the supporting rod 14, the pushing part 171 on the push rod 17 pushes the pushing piece 33 to slide downwards when the push rod 17 slides downwards, the pushing piece 33 pushes the locking piece 32 when sliding downwards relative to the supporting rod 14, the locking piece 32 slides relative to the rear leg 12 after being pushed so as to be separated from the locking position 31 on the sliding piece 13, at the moment, the locking assembly 3 is unlocked, and the supporting rod 14 can rotate relative to the sliding piece 13.

As shown in fig. 5 to 8, a locking assembly 4 capable of locking the two is arranged between the supporting rod 14 and the pushing rod 17, the locking assembly 4 comprises a plurality of locking positions 41 arranged on the supporting rod 14 at intervals, a locking piece 42 capable of sliding relatively to the locking piece to be clamped in or separated from the locking positions 41 is arranged in the pushing rod 17, a first sliding seat 43 capable of sliding relatively to the pushing locking piece 42 is arranged on the supporting rod 14, a second sliding seat 44 is arranged at the upper end of the pushing rod 17, a guy cable 45 capable of driving the first sliding seat 43 when the second sliding seat 44 slides is arranged between the second sliding seat 44 and the first sliding seat 43, an operating piece 46 capable of pushing the second sliding seat 44 to slide is further arranged on the supporting rod 14, a first elastic piece 47 capable of resetting the operating piece 46 is arranged between the operating piece 46 and the pushing rod 17, a second elastic piece 48 capable of pushing the second sliding seat 44 to slide relatively is arranged between the second sliding seat 44 and the pushing rod 17, and an elastic piece 49 capable of resetting the pushing piece 42 is arranged between the first sliding seat 43 and the pushing piece 42 capable of resetting the first sliding seat 40.

When the sliding push rod 17 is required to be unlocked, the locking assembly 4 needs to be unlocked firstly, the operating member 46 is pressed, the operating member 46 slides relative to the push rod 17, the second sliding seat 44 is pushed to move upwards when the operating member 46 slides, the first sliding seat 43 is driven to move upwards by the stay cable 45 when the second sliding seat 44 moves upwards relative to the push rod 17, the locking member 42 is pushed to separate the locking member 42 from the locking position 41 on the supporting rod 14 when the first sliding seat 43 moves upwards relative to the push rod 17, and at the moment, the push rod 17 can slide downwards relative to the supporting rod 14 to push the pushing member 33 so as to unlock the locking assembly 3. Of course, the push rod 17 on the child stroller can also be adjusted in height relative to the stay 14 by the locking element 42 and the locking position 41.

As shown in fig. 6 to 7, the second sliding seat 44 is provided with a first inclined sliding surface 441, and the operating member 46 is provided with a second inclined sliding surface 461 capable of pushing the first inclined sliding surface 441 to slide the second sliding seat 44 upward relative to the stay 14. The cooperation of the second inclined sliding surface 461 and the first inclined sliding surface 441 can drive the second sliding seat 44 to vertically slide relative to the push rod 17 when the operating member 46 laterally slides relative to the push rod 17.

As shown in fig. 8, the locking element 42 is provided with a third inclined sliding surface 421, and the first sliding seat 43 is provided with a fourth inclined sliding surface 431 capable of pushing the third inclined sliding surface 421 to slide the locking element 42 and separate from the locking position 41. The fourth inclined sliding surface 431 and the third inclined sliding surface 421 cooperate to enable the locking member 42 to slide laterally relative to the push rod 17 when the first sliding seat 43 slides vertically relative to the push rod 17.

As shown in fig. 1 to 3, the front leg 11 is further connected with a dinner plate 5 which can be unfolded or folded in a rotating manner relative to the front leg, and a locking component 6 which can lock the dinner plate 5 and the front leg 11 is further arranged between the dinner plate 5 and the front leg 11. The locking assembly 6 is a common spline lock. The dinner plate 5 rotates to be unfolded when the child takes dinner, and is folded to be folded when the child does not need to take dinner.

Claims (9)

1. A child stroller movable from an unfolded position to a folded position upon unlocking a locking device, characterized in that: the device comprises a front leg (11), the lower end of the front leg (11) is connected with a front wheel (111), the front leg (11) is rotationally connected with a rear leg (12) around a first axis (B), the lower end of the rear leg (12) is connected with a rear wheel (121), the rear leg (12) is connected with a sliding piece (13) capable of sliding along the rear leg, the sliding piece (13) is connected with a supporting rod (14) which rotates around the second axis (B) relative to the sliding piece, a linkage piece (15) which is rotationally connected with the front leg (11) and can drive the rear leg (12) to rotationally close to the front leg (11) when the sliding piece (13) slides relative to the rear leg (12) is arranged between the front leg (11), the locking device comprises a locking component (3) which is arranged between the rear leg (12), the sliding piece (13) and the supporting rod (14), the locking component (3) comprises a locking position (14) which is arranged on the sliding piece (13), the inner connecting piece (12) is connected with a pushing rod (14) which rotates relative to the sliding piece (31) and can be separated from the sliding piece (32) which can be relatively locked by the sliding piece (31), the lower end of the push rod (17) is provided with a pushing part (171) which can push the pushing piece (33) to slide when the push rod slides downwards relative to the support rod (14), a first elastic reset piece (34) capable of pushing the locking piece (32) to reset is arranged between the locking piece (32) and the rear leg (12), and a second elastic reset piece (35) capable of pushing the pushing piece (33) to reset is arranged between the pushing piece (33) and the supporting rod (14).

2. The stroller of claim 1, wherein: the linkage piece (15) is a seat plate, one end of the linkage piece (15) is rotationally connected to the front leg (11) around the third axis (C), and the other end of the linkage piece (15) is rotationally connected to the sliding piece (13) around the fourth axis (D).

3. The stroller of claim 1, wherein: an armrest assembly (2) which can follow unfolding or folding when the stay bar (14) rotates and unfolds or folds relative to the rear leg (12) is arranged between the front leg (11) and the stay bar (14).

4. A stroller according to claim 3, wherein: the handrail component (2) comprises a handrail rod (21) which is rotationally connected to the front leg (11) around a fifth axis (E), the handrail rod (21) is connected with a connecting sleeve (22) which is sleeved on the stay bar (14) and can slide along the stay bar (14), and the connecting sleeve (22) is rotationally connected with the handrail rod (21) around a sixth axis (F).

5. The stroller of claim 1, wherein: the sliding piece (13) comprises a sliding sleeve (131) which is connected to the rear leg (12) in a sliding mode, a connecting protrusion (132) which is arranged in a protruding mode is arranged on the sliding sleeve (131), and the supporting rod (14) is connected to the connecting protrusion (132) in a rotating mode around the second axis (B).

6. The stroller of claim 4, wherein: the front leg (11) comprises a front leg rod (112), a front leg seat (113) is connected to the upper end of the front leg rod (112), a connecting portion (114) which is arranged in a downward inclined mode is arranged on the front leg seat (113), the rear leg (12) is rotationally connected to the connecting portion (114) around a first axis (B), the front end of a grab rail (21) is rotationally connected to the front leg seat (113) around a fifth axis (E), and a front wheel (111) is connected to the lower end of the front leg rod (112).

7. The stroller of claim 1, wherein: the linkage piece (15) is connected with a backrest rod (16) which can be unfolded or folded in a rotating way relative to the linkage piece.

8. The stroller of claim 1, wherein: the utility model provides a push rod, including the stay cable (45) that can drive first sliding seat (43) when second sliding seat (44) slides is equipped with between stay rod (14) and push rod (17), push rod (17) in be equipped with can slide and block in or break away from locking closure (41) with its locking closure (42), stay rod (14) on be equipped with can slide relative first sliding seat (43) that pushes away locking closure (42) and slide, push rod (17) upper end be equipped with second sliding seat (44), second sliding seat (44) and first sliding seat (43) between be equipped with cable (45) that can drive first sliding seat (43) when second sliding seat (44) slides, stay rod (14) on still be equipped with can second sliding seat (44) gliding operating piece (46), operating piece (46) and push rod (17) between be equipped with can first sliding seat (43) that push rod (46) slides, second sliding seat (44) and second sliding seat (43) can be equipped with between second sliding seat (43) and the second pushing seat (43), a fourth elastic piece (40) capable of pushing the locking piece (42) to reset is arranged between the locking piece (42) and the push rod (17).

9. The stroller of claim 1, wherein: the front legs (11) are also connected with dinner plates (5) which can be unfolded or folded in a rotating way relative to the front legs, and a locking component (6) which can lock the dinner plates (5) and the front legs (11) is further arranged between the dinner plates (5) and the front legs.