CN109760731B - Child cart - Google Patents

Child cart Download PDF

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Publication number
CN109760731B
CN109760731B CN201811507620.9A CN201811507620A CN109760731B CN 109760731 B CN109760731 B CN 109760731B CN 201811507620 A CN201811507620 A CN 201811507620A CN 109760731 B CN109760731 B CN 109760731B
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China
Prior art keywords
push rod
rod
stroller
sliding
assembly
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CN201811507620.9A
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CN109760731A (en
Inventor
王俊马
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Goodbaby Child Products Co Ltd
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Goodbaby Child Products Co Ltd
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Priority to CN201811507620.9A priority Critical patent/CN109760731B/en
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Abstract

The invention discloses a child stroller, which comprises a stroller frame with unfolded and folded states, a front wheel assembly, a rear wheel assembly and a locking mechanism, wherein the stroller frame comprises a push rod assembly, a stay bar, a first sliding piece and an armrest assembly, the push rod assembly comprises a lower push rod and an upper push rod which are rotationally connected, the stay bar is rotationally connected with the upper push rod, the first sliding piece can be slidingly arranged on one of the stay bar and the lower push rod along the length extending direction of the other of the stay bar and the lower push rod, the armrest assembly is rotationally connected with the other of the stay bar and the lower push rod and the first sliding piece, and when the child stroller is folded, the push rod assembly is turned over to enable the first sliding piece to slide along the length extending direction of one of the stay bar and the lower push rod, so that the armrest assembly is driven to rotate and close to the upper push rod, the lower push rod and the stay bar. The child stroller is convenient to fold and unfold, compact in structure after being folded, small in occupied space, easy to carry and store, and convenient for consumers to use.

Description

Child cart
Technical Field
The invention relates to the technical field of children products, in particular to a child trolley.
Background
The child stroller in the prior art comprises a stroller frame with an unfolding position and a folding position, a front wheel assembly and a rear wheel assembly which are arranged at the bottom of the stroller frame, and a locking mechanism for locking the stroller frame in the unfolding state. The existing children's carts are various, the number of cart frame members is different, the connection positions among the members are different, so that the folding principle and the folding mode are different, and the folding effect is different.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides an improved child stroller.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the utility model provides a children's shallow, includes has the shallow frame of expansion and folding state, sets up the front wheel subassembly of the bottom front portion of shallow frame, sets up the rear wheel subassembly of the bottom rear portion of shallow frame and be used for with the shallow frame lock is in the locking mechanical system under the expansion state, the shallow frame includes push rod subassembly, vaulting pole, first slider and handrail subassembly, the push rod subassembly includes down push rod and lower part with the upper push rod that the upper portion of push rod is connected in rotation, the vaulting pole with the upper push rod is connected in rotation, first slider can be followed the vaulting pole with the length extending direction of one of two parts of push rod down is slidingly set up on this part, the handrail subassembly respectively with the vaulting pole with another part of two parts of push rod down and first slider are connected in rotation, when children's shallow is folding, the push rod subassembly upset makes first slider follow the length direction of one of two parts of push rod down with push rod down the slider is connected in rotation, thereby drives down the push rod and the handrail is drawn close together with the push rod.
Preferably, the first sliding piece is a first sliding sleeve, and the first sliding sleeve is sleeved on one of the two parts of the stay bar and the push rod and can be slidably arranged along the length extending direction of the one of the two parts of the stay bar and the push rod.
Preferably, the armrest assembly includes a first armrest rod rotatably connected to the first slider, and the other of the brace rod and the push-down rod is also rotatably connected to the first armrest rod.
Further, the first grab rail includes a first section extending in a front-rear direction and a second section extending in an up-down direction, the first section is rotatably connected to the first slider, and the other of the stay and the push down lever is rotatably connected to the second section.
Further, the armrest assembly further comprises a second armrest rod, the first armrest rod is provided with a slot matched with the second armrest rod, one end part of the second armrest rod is arranged in the slot, and one end part of the second armrest rod is detachably connected with the slot.
Preferably, the cart frame further comprises a front bracket for installing the front wheel assembly and a rear bracket for installing the rear wheel assembly, the upper part of the front bracket, the upper part of the rear bracket and the lower part of the push rod are rotatably connected, and the stay rod is rotatably connected with the rear bracket.
Further, the cart frame further comprises a first connecting rod, a second connecting rod and a second sliding part, one end part of the first connecting rod is rotationally connected with one end part of the second connecting rod, the other end part of the first connecting rod is rotationally connected with the front support, the second connecting rod is rotationally connected with the rear support, the second sliding part can be slidably arranged on the second connecting rod along the length extending direction of the second connecting rod, and the lower part of the supporting rod is rotationally connected with the second sliding part.
Further, the cart frame further comprises a first connecting rod, one end portion of the first connecting rod is rotatably connected with the front support, and the other end portion of the first connecting rod is rotatably connected with the lower portion of the supporting rod.
Preferably, the first sliding piece is slidably disposed on the stay bar along a length extending direction of the stay bar, and the armrest assembly is respectively rotatably connected with the push-down rod and the first sliding piece, and when the stroller is folded, the first sliding piece slides downward along the length extending direction of the stay bar.
Preferably, the locking mechanism is provided at a rotational connection of the lower push rod and the upper push rod.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages: the child stroller provided by the invention has the advantages of simple structure, convenience in folding and unfolding operations, compact structure after folding, small occupied space, easiness in carrying and storage and convenience in use for consumers.
Drawings
FIG. 1 is a perspective view of the stroller of the present invention in an unfolded state (embodiment 1);
FIG. 2 is a side view of the stroller of the present invention in an expanded state (example 1);
FIG. 3 is a perspective view of the child stroller of the present invention (embodiment 1) during folding;
FIG. 4 is a side view of the child stroller of the present invention (embodiment 1) during folding;
FIG. 5 is a perspective view of the child stroller of the present invention in a collapsed condition (embodiment 1);
fig. 6 is a side view of the child stroller of the present invention in a collapsed condition (embodiment 1).
Detailed Description
The technical scheme of the invention is further described below with reference to the attached drawings and specific embodiments.
Example 1
As shown in fig. 1 to 6, the child stroller of the present invention includes a stroller frame 1 having an unfolded and folded state, a front wheel assembly 2 provided at a bottom front portion of the stroller frame 1, a rear wheel assembly 3 provided at a bottom rear portion of the stroller frame 1, and a locking mechanism for locking the stroller frame 1 in the unfolded state.
The stroller frame 1 comprises a front bracket 11, a rear bracket 12, a push rod assembly 13, a handrail assembly 14, a stay 15, a first slider 16, a first link 17, a second link 18 and a second slider 19.
When the stroller is in the unfolded state, the front bracket 11 and the push rod assembly 13 each extend obliquely upward from front to rear, the rear bracket 12 extends obliquely downward from front to rear, the stay 15 extends in the up-down direction, and the first link 17 and the second link 18 each extend in the horizontal direction from front to rear.
The front bracket 11 is used for mounting the front wheel assembly 2; the rear bracket 12 is used for mounting the rear wheel assembly 3; the push rod assembly 13 comprises a lower push rod 131 and an upper push rod 132, wherein the lower part of the upper push rod 132 is rotationally connected with the upper part of the lower push rod 131, the upper part of the front bracket 11, the upper part of the rear bracket 12 and the lower part of the lower push rod 131 are rotationally connected, and in the embodiment, the upper part of the front bracket 11, the upper part of the rear bracket 12 and the lower part of the lower push rod 131 are rotationally connected with one another by the same shaft; the upper part of the stay bar 15 is rotationally connected with the lower part of the upper push rod 132, and the lower part of the stay bar 15 is rotationally connected with the rear bracket 12; the first slider 16 is slidably provided on the stay 15 in the longitudinal extension direction of the stay 15; the armrest assembly 14 is rotatably connected to the first slider 16 and the lower pushrod 131, respectively; one end of the first link 17 is rotatably connected to one end of the second link 18, the other end of the first link 17 is rotatably connected to the front bracket 11, the second link 18 is rotatably connected to the rear bracket 12, the second slider 19 is slidably provided on the second link 18 in a length extending direction of the second link 18, and the lower end of the stay 15 is also rotatably connected to the second slider 19.
In this embodiment, the first sliding member 16 is a first sliding sleeve, which is sleeved on the stay 15 and is slidably disposed along the length extending direction of the stay 15. The second sliding piece 19 is arranged between the rotation connection part of the first connecting rod 17 and the second connecting rod 18 and the rotation connection part of the second connecting rod 18 and the rear bracket 12, the second sliding piece 19 adopts a second sliding sleeve, and the second sliding sleeve is sleeved on the second connecting rod 18 and can be arranged in a sliding manner along the length extending direction of the second connecting rod 18.
The armrest assembly 14 includes a first armrest rod 141 and a second armrest rod 142, the first armrest rod 141 is provided with a slot that mates with the second armrest rod 142, one end of the second armrest rod 142 is fixedly disposed in the slot, one end of the first armrest rod 141 is rotatably connected with the first slider 16, and the first armrest rod 141 is also rotatably connected with the push down rod 131.
Preferably, the first grab bar 141 is detachably connected to the socket such that the first grab bar 141 is separated from the second grab bar 142 before the child sits on the stroller, and the first grab bar 141 is fixedly connected to the second grab bar 142 after the child sits on the stroller, thereby facilitating the child to sit on the stroller.
The first grab bar 141 includes a first section 141a extending in the front-rear direction and a second section 141b extending in the up-down direction, in this embodiment, the first section 141a and the second section 141b intersect to form a T-shaped structure, the second grab bar 142 is detachably provided on the first section 141a, the first section 141a is rotatably connected with the first slider 16, and the second section 141b is rotatably connected with the push down rod 131. The first handrail 141 is configured so that the handrail assembly 14 can be folded to be more closely close to the push rod assembly 13.
In this embodiment, the locking mechanism is disposed at the rotational joint of the lower push rod 131 and the upper push rod 132 for locking the positions of the two parts, and when the locking mechanism is in the locked state, the whole cart frame 1 is in the locked state due to the connection relationship of the rods of the cart frame 1. The specific structure of the locking mechanism is not essential to the protection of this patent, and structures in the prior art can be adopted.
The stroller further comprises a seat mechanism 4 arranged on the stroller frame 1.
When the stroller is in the deployed state, the locking mechanism is in the locked state, as shown in fig. 1 and 2.
When the stroller needs to be folded, the locking mechanism is unlocked, the push rod 132 is pressed forwards and downwards, the upper push rod 132 is turned forwards and is close to the lower push rod 131, the lower push rod 131 and the upper push rod 132 are turned downwards, the first sliding piece 16 slides downwards along the length extending direction of the supporting rod 15, the handrail component 14 is turned upwards and is close to the lower push rod 131, the supporting rod 15 is also turned downwards and is close to the rear support 12, when the supporting rod 15 continuously turns downwards, the second sliding piece 19 slides forwards along the length extending direction of the second connecting rod 18, the second connecting rod 18 rotates relative to the rear support 12, the front support 11 is pulled to be turned backwards and is close to the rear support 12 through the first connecting rod 17, the folding process is shown in fig. 3 and 4 until the rod pieces forming the stroller frame 1 are close together, and finally the stroller is folded as shown in fig. 5 and 6. In the folding process of the stroller, the armrest assembly 14 only turns over when sliding along the first sliding member 16, and does not extend forwards or backwards along the length extension direction of the armrest assembly, so that when the armrest assembly 14 is folded, enough space is not required to be reserved for folding the armrest assembly 14, and the folded double-person stroller is compact in structure, small in size and convenient to carry and store.
Example 2
In this embodiment, not shown, the first slider 16 is slidably provided on the lower push rod 131 in the longitudinal extending direction of the lower push rod 131, the first grab rail 141 is rotatably connected to the first slider 16, and one end of the first grab rail 141 is also rotatably connected to the stay 15. When the stroller is folded, the first slider 16 slides downward in the longitudinal extension direction of the push down rod 131, and the rest is the same as in embodiment 1.
Example 3
In this embodiment, the cart frame 1 does not include the second link 18 and the second slider 19, and one end of the first link 16 is rotatably connected to the front bracket 11, and the other end of the first link 16 is rotatably connected to the lower end of the stay 15. In the folding process of the stroller, when the stay bar 15 continuously turns downwards, the first connecting rod 17 rotates relative to the front bracket 11 and pulls the front bracket 11 to turn backwards and close to the rear bracket 12. The remainder was the same as in example 1.
Example 4
In this embodiment, the cart frame 1 does not include the second link 18 and the second slider 19, and one end of the first link 16 is rotatably connected to the front bracket 11, and the other end of the first link 16 is rotatably connected to the lower end of the stay 15. In the folding process of the stroller, when the stay bar 15 continuously turns downwards, the first connecting rod 17 rotates relative to the front bracket 11 and pulls the front bracket 11 to turn backwards and close to the rear bracket 12. The remainder was the same as in example 2.
The above embodiments are provided to illustrate the technical concept and features of the present invention and are intended to enable those skilled in the art to understand the content of the present invention and implement the same, and are not intended to limit the scope of the present invention. All equivalent changes or modifications made in accordance with the spirit of the present invention should be construed to be included in the scope of the present invention.

Claims (9)

1. A child stroller comprising a stroller frame having an expanded and collapsed configuration, a front wheel assembly disposed at a bottom front portion of the stroller frame, a rear wheel assembly disposed at a bottom rear portion of the stroller frame, and a locking mechanism for locking the stroller frame in the expanded configuration, the child stroller being characterized in that: the stroller frame comprises a push rod assembly, a stay bar, a first sliding part and a handrail assembly, wherein the push rod assembly comprises a lower push rod and an upper push rod, the lower part of the upper push rod is connected with the upper push rod in a rotating mode, the stay bar is connected with the upper push rod in a rotating mode, the first sliding part can be arranged on one of the two parts of the stay bar and the lower push rod in a sliding mode along the length extending direction of the part, the handrail assembly is respectively connected with the other of the two parts of the stay bar and the lower push rod in a rotating mode with the first sliding part, when the stroller is folded, the push rod assembly turns over, the first sliding part slides along the length extending direction of one of the two parts of the stay bar and the lower push rod, so that the first sliding part is driven to rotate with the upper push rod, the lower push rod and the stay bar are close to each other, the stroller frame further comprises a front support for mounting the front wheel assembly and a rear support for mounting the rear wheel assembly, and the front support is connected with the rear support of the rear support and the lower support frame in a rotating mode.
2. The stroller of claim 1, wherein: the first sliding piece is a first sliding sleeve, and the first sliding sleeve is sleeved on one of the two parts of the supporting rod and the lower push rod and can be arranged in a sliding manner along the length extending direction of one of the two parts of the supporting rod and the lower push rod.
3. The stroller of claim 1, wherein: the armrest assembly comprises a first armrest rod which is rotatably connected with the first sliding piece, and the other one of the two parts of the stay rod and the push rod is also rotatably connected with the first armrest rod.
4. A stroller according to claim 3, wherein: the first grab rail comprises a first section extending along the front-back direction and a second section extending along the up-down direction, the first section is rotationally connected with the first sliding part, and the other one of the two parts of the stay bar and the push rod is rotationally connected with the second section.
5. A stroller according to claim 3, wherein: the handrail assembly further comprises a second handrail rod, a slot matched with the second handrail rod is formed in the first handrail rod, one end portion of the second handrail rod is arranged in the slot, and one end portion of the second handrail rod is detachably connected with the slot.
6. The stroller of claim 1, wherein: the trolley frame further comprises a first connecting rod, a second connecting rod and a second sliding part, one end part of the first connecting rod is rotationally connected with one end part of the second connecting rod, the other end part of the first connecting rod is rotationally connected with the front support, the second connecting rod is rotationally connected with the rear support, the second sliding part can be slidably arranged on the second connecting rod along the length extending direction of the second connecting rod, and the lower part of the supporting rod is rotationally connected with the second sliding part.
7. The stroller of claim 1, wherein: the trolley frame also comprises a first connecting rod, one end part of the first connecting rod is rotationally connected with the front support, and the other end part of the first connecting rod is rotationally connected with the lower part of the supporting rod.
8. The stroller of claim 1, wherein: the first sliding piece can be arranged on the supporting rod in a sliding manner along the length extending direction of the supporting rod, the handrail component is respectively connected with the lower pushing rod and the first sliding piece in a rotating manner, and when the child stroller is folded, the first sliding piece slides downwards along the length extending direction of the supporting rod.
9. The stroller of claim 1, wherein: the locking mechanism is arranged at the rotation joint of the lower push rod and the upper push rod.
CN201811507620.9A 2018-12-11 2018-12-11 Child cart Active CN109760731B (en)

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Application Number Priority Date Filing Date Title
CN201811507620.9A CN109760731B (en) 2018-12-11 2018-12-11 Child cart

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Application Number Priority Date Filing Date Title
CN201811507620.9A CN109760731B (en) 2018-12-11 2018-12-11 Child cart

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CN109760731A CN109760731A (en) 2019-05-17
CN109760731B true CN109760731B (en) 2024-05-10

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110481623A (en) * 2019-07-24 2019-11-22 好孩子儿童用品有限公司 Folding children's cart

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4004536A1 (en) * 1990-02-14 1991-08-22 Gregor Horacek Foldable rehabilitation pushchair for children - has front and rear struts on both sides of seat accommodating wheels, and pushing stirrup
CN201737028U (en) * 2010-05-27 2011-02-09 明门(中国)幼童用品有限公司 Baby vehicle and handrail mechanism thereof
CN204309865U (en) * 2014-12-11 2015-05-06 昆山威凯儿童用品有限公司 The skeleton of Foldable baby go-cart
CN205971437U (en) * 2016-08-24 2017-02-22 昆山威凯儿童用品有限公司 But baby's shallow frame of bidirectional folding
CN206384002U (en) * 2016-12-01 2017-08-08 好孩子儿童用品有限公司 Children trolley
CN107878544A (en) * 2017-12-18 2018-04-06 昆山威凯儿童用品有限公司 A kind of foldable baby stroller
CN207257740U (en) * 2017-09-12 2018-04-20 昆山威凯儿童用品有限公司 Foldable baby cart skeleton
CN207631317U (en) * 2017-12-14 2018-07-20 中山市宝蓓悠日用制品有限公司 A kind of baby stroller
CN207697787U (en) * 2017-12-05 2018-08-07 好孩子儿童用品有限公司 A kind of go-cart for double child
CN207843027U (en) * 2018-02-05 2018-09-11 中山市铭冠日用制品有限公司 Baby carriage
CN209600581U (en) * 2018-12-11 2019-11-08 好孩子儿童用品有限公司 A kind of children trolley

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4004536A1 (en) * 1990-02-14 1991-08-22 Gregor Horacek Foldable rehabilitation pushchair for children - has front and rear struts on both sides of seat accommodating wheels, and pushing stirrup
CN201737028U (en) * 2010-05-27 2011-02-09 明门(中国)幼童用品有限公司 Baby vehicle and handrail mechanism thereof
CN204309865U (en) * 2014-12-11 2015-05-06 昆山威凯儿童用品有限公司 The skeleton of Foldable baby go-cart
CN205971437U (en) * 2016-08-24 2017-02-22 昆山威凯儿童用品有限公司 But baby's shallow frame of bidirectional folding
CN206384002U (en) * 2016-12-01 2017-08-08 好孩子儿童用品有限公司 Children trolley
CN207257740U (en) * 2017-09-12 2018-04-20 昆山威凯儿童用品有限公司 Foldable baby cart skeleton
CN207697787U (en) * 2017-12-05 2018-08-07 好孩子儿童用品有限公司 A kind of go-cart for double child
CN207631317U (en) * 2017-12-14 2018-07-20 中山市宝蓓悠日用制品有限公司 A kind of baby stroller
CN107878544A (en) * 2017-12-18 2018-04-06 昆山威凯儿童用品有限公司 A kind of foldable baby stroller
CN207843027U (en) * 2018-02-05 2018-09-11 中山市铭冠日用制品有限公司 Baby carriage
CN209600581U (en) * 2018-12-11 2019-11-08 好孩子儿童用品有限公司 A kind of children trolley

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