CN106627720B

CN106627720B - Child cart

Info

Publication number: CN106627720B
Application number: CN201710003171.3A
Authority: CN
Inventors: 顾小聪; 董洪彦
Original assignee: Goodbaby Child Products Co Ltd
Current assignee: Goodbaby Child Products Co Ltd
Priority date: 2017-01-03
Filing date: 2017-01-03
Publication date: 2023-05-23
Anticipated expiration: 2037-01-03
Also published as: CN106627720A

Abstract

The invention discloses a baby carriage, which comprises a front bracket, a rear bracket, a basket frame and a push rod, wherein the lower part of the push rod is pivotally connected with the upper part of the front bracket; the frame also comprises a connecting rod and a sliding part, wherein the sliding part is pivotally connected to the upper part of the rear support and can be arranged on the front support in a vertical sliding way, the upper end part of the connecting rod is pivotally connected to the push rod, the lower end part of the connecting rod is pivotally connected to the sliding part or the upper part of the rear support, when the frame is folded, the push rod turns forwards, and the sliding part slides downwards along the front support, so that the front support, the rear support, the basket support and the push rod are relatively rotated to be gradually folded together. The frame has simple and elegant structure in an unfolding state, good stability, simple and convenient folding operation and flat and compact folded structure.

Description

Child cart

Technical Field

The invention relates to a child stroller.

Background

In the prior art, a child stroller generally includes a stroller frame having an unfolded state and a folded state, a wheel assembly disposed at a bottom of the stroller frame, and a locking mechanism for locking the stroller frame in the unfolded state. At present, the types of the cart frames of the children carts are various, the number of the rods of the cart frames is different, and the connection relation and the connection position between the rods are different, so that the folding principle and the folding mode are also different. How to simplify the structure of the cart frame and the folding mode of the cart frame on the premise of ensuring stable bearing and pushing of children is always a pursuit goal of the person skilled in the art.

Disclosure of Invention

The invention aims to provide a baby stroller which is simple in structure, convenient to fold and operate and flat and compact in structure after being folded.

In order to achieve the above purpose, the invention adopts the following technical scheme: a stroller comprising a frame having an unfolded state and a folded state, a wheel assembly arranged at the bottom of the frame, and a locking mechanism for locking the frame in the unfolded state, wherein the frame comprises a front bracket extending gradually upwards from front to back, a rear bracket extending in a vertical direction, a basket bracket extending in the front-rear direction, and a push rod extending in the vertical direction and having a lower part pivotally connected with the upper part of the front bracket, wherein the front part of the basket bracket is pivotally connected with the lower part of the front bracket and the rear part of the basket bracket is pivotally connected with the rear bracket;

the frame also comprises a connecting rod and a sliding piece, wherein the sliding piece can be arranged on the front bracket in an up-down sliding way, and the upper part of the rear bracket is in pivot connection with the sliding piece; the upper end of the connecting rod is pivotally connected to the push rod, the lower end of the connecting rod is pivotally connected to the sliding part or the upper part of the rear support, when the frame is folded, the push rod turns forward, and the sliding part slides down along the front support, so that the front support, the rear support, the basket frame and the push rod rotate relatively to be gradually folded together.

Preferably, the upper part of the rear bracket, the lower part of the link, and the slider are rotatably coupled together about the same rotational axis.

Preferably, when the frame is in the unfolded state, the front bracket and the push rod extend along the same length direction.

Preferably, the rear portion of the basket frame is pivotally connected to the rear bracket at a position below the slider.

Preferably, the wheel assembly comprises a front wheel assembly arranged at the bottom of the front support and a rear wheel assembly arranged at the bottom of the rear support, when the frame is folded, the front support and the rear support are respectively turned over and folded relative to the basket frame, and the rear wheel assembly moves backwards relative to the front wheel assembly.

Preferably, the child stroller further comprises a seat pocket assembly which is grafted on the frame and is foldable, when the child stroller is folded, the seat pocket assembly is folded first, the frame is folded again, and the folded seat pocket assembly is folded together with the frame.

Further, the seat pocket component is grafted on the connecting rod through a seat pocket connecting piece, and when the child stroller is folded, the folded seat pocket component is folded between the rod pieces of the frame.

Further, the front support comprises at least two front support rods which are respectively arranged at the left side and the right side and gradually incline upwards from front to back, and the sliding piece is arranged on the front support rods in a sliding manner along the length extending direction of the front support rods.

Still further, the back support is including locating respectively at least the left and right sides just all along the back branch that upper and lower direction extends, the basket frame is including locating respectively the left and right sides just all along the basket pole that fore-and-aft direction extends, on each side of the left and right sides of frame, the upper portion pivot joint of back branch is in on the slider, the front portion pivot joint of basket pole is in the lower part of preceding branch just the rear portion pivot joint of basket pole is in on the back branch.

As a specific embodiment, the push rod includes push rod side bars that are disposed on the left and right sides respectively and extend in the vertical direction, the connecting rod has a connecting rod that is disposed on the left and right sides respectively, on each of the left and right sides of the frame, the lower portion of the push rod side bar is pivotally connected with the upper portion of the front strut, the upper portion of the connecting rod is pivotally connected to the push rod side bar, and the lower portion of the connecting rod is rotatably connected with the slider.

Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages: the frame of the children cart only comprises the front support, the rear support, the basket frame, the push rod and the connecting rod, and the frame is simple and elegant in structure and good in stability in the unfolded state. The locking mechanism on the frame is unlocked, and then the push rod is turned forwards, so that the front support, the rear support, the basket frame and the push rod on the frame can be folded along the up-down direction by relative rotation, the operation is very convenient, the folded frame structure is smooth, the volume is very small, and convenience is brought to daily storage and carrying of a user.

Drawings

FIG. 1 is a perspective view of a stroller according to the present invention in an unfolded state;

FIG. 2 is a side view of the child stroller of the present invention in an expanded configuration;

FIG. 3 is a perspective view of the child stroller in a semi-collapsed condition according to the present invention;

FIG. 4 is a side view of the child stroller in a semi-collapsed condition according to the present invention;

FIG. 5 is a side view of the child stroller of the present invention in a collapsed condition;

FIG. 6 is a side view of the child stroller grafting seat pocket of the present invention in use;

wherein: 100. a frame; 200. a seat pocket assembly;

1. a front bracket; 11. a front strut; 12. a front cross bar; 2. a rear bracket; 21. a rear strut; 22. a rear cross bar; 3. basket rack; 31. a basket bar; 4. a push rod; 41. a push rod side rod; 42. a push rod cross bar; 5. a slider (sliding sleeve); 6. a connecting rod; 7. seat pocket connecting piece; 101. a first shaft; 102. a second shaft; 103. a third shaft; 104. a fourth shaft; 105. and a fifth axis.

Detailed Description

The technical scheme of the invention is further described below with reference to the attached drawings and specific embodiments.

Referring to the stroller shown in fig. 1-5, it includes a frame 100 having an expanded state and a collapsed state, a wheel assembly disposed at a bottom of the frame 100, and a locking mechanism for locking the frame 100 in the expanded state.

Referring to fig. 1 and 2, the frame 100 includes a front bracket 1 extending gradually upward from front to rear, a rear bracket 2 extending in an up-down direction, a basket frame 3 extending in the front-rear direction, and a push rod 4 extending obliquely in the up-down direction, wherein a front portion of the basket frame 3 is pivotally connected to a lower portion of the front bracket 1, and a rear portion of the basket frame 3 is pivotally connected to a lower portion of the rear bracket 2; the upper part of the rear bracket 2 is pivotally connected with a sliding piece 5, and the sliding piece 5 is arranged on the front bracket 1 in a vertical sliding way; the lower part of the push rod 4 is pivotally connected with the upper part of the front bracket 1. The frame 100 further includes a link 6, an upper end portion of the link 6 is pivotally connected to the push rod 4, and a lower end portion of the link 6 is pivotally connected to the slider 5 or to an upper portion of the rear bracket 2, where the lower end portion of the link 6, the slider 5, and the upper portion of the rear bracket 2 are pivotally connected through the same rotation shaft. The wheel assemblies comprise two groups of front wheel assemblies 10 which are respectively arranged at the left side and the right side of the bottom of the front bracket 1 and two groups of rear wheel assemblies 20 which are respectively arranged at the left side and the right side of the bottom of the rear bracket 2.

Specifically, referring to fig. 1 and 3, the front bracket 1 includes two front struts 11 disposed on the left and right sides and each extending gradually upward from front to rear, and a front rail 12 fixedly connected between the lower portions of the front struts 11 on the two sides, and two front wheel assemblies 10 are disposed at the lower portions of the front struts 11 on the two sides, respectively. The rear bracket 2 includes rear struts 21 which are respectively provided at the left and right sides and extend obliquely in the up-down direction, a rear cross bar 22 connected between the lower portions of the rear struts 21 at both sides, and two rear wheel assemblies 20 respectively provided at the lower portions of the rear struts 21 at both sides.

The push rod 4 is U-shaped with a downward opening, and comprises two push rod side rods 41 which are respectively arranged at the left side and the right side and extend obliquely along the up-down direction, and a push rod cross rod 42 fixedly connected between the upper ends of the push rod side rods 41 at the two sides. A set of sliding members 5 and connecting rods 6 are respectively disposed on the left side and the right side of the frame 100, and in this embodiment, the sliding members 5 are sliding sleeves slidably sleeved on the front strut 11 along the length extending direction of the front strut 11.

Referring to fig. 2, in the present embodiment, on each of the left and right sides of the frame 100, the upper portion of the front strut 11 is pivotally connected to the lower portion of the push rod side lever 41 via a first shaft 101, and the sliding sleeve 5 is sleeved on the front strut 11 and is located below the first shaft 101; the lower part of the connecting rod 6, the upper part of the rear strut 21 and the sliding sleeve 5 are together pivotally connected by a second shaft 102, the upper part of the connecting rod 6 being pivotally connected to the push rod side lever 41 by a third shaft 103, the third shaft 103 being located above the first shaft 101 on the push rod side lever 41.

Referring to fig. 1 and 3, the basket frame 3 is U-shaped with a front opening, and has basket bars 31 respectively provided at left and right sides and extending in a front-rear direction, and on each of the left and right sides of the frame 100, a front portion of the basket bar 31 is pivotally connected to a lower portion of the front strut 11 through a fourth shaft 104, and a rear portion of the basket bar 31 is pivotally connected to a lower portion of the rear strut 21 through a fifth shaft 105, wherein the fourth shaft 104 and the fifth shaft 105 are both positioned under the sliding sleeve 5.

Referring to fig. 1 and 2, when the stroller is unfolded and used, the frame 100 is locked in an unfolded state, and the front wheel assembly 10 and the rear wheel assembly 20 are supported on the ground to provide the frame 100 with support. The front strut 11, the rear strut 21 and the basket bar 31 form a stable triangle structure on the left side and the right side of the frame 100, so that the bottom of the frame 100 forms a very stable supporting structure; the front strut 11 and the push rod side rod 31 extend along the same length direction, the connecting rod 6 is connected between the push rod side rod 41 and the sliding sleeve 5 and is positioned at the inner side of the front strut 11 and the push rod side rod 41, and the length extending direction of the connecting rod 6 is basically parallel to the push rod side rod 41 and the front strut 11. The frame 100 has a compact, elegant and attractive structure in the unfolded state, and has good carrying capacity.

When the stroller needs to be folded, referring to fig. 3 and 4, after the locking mechanism is unlocked, an operator turns the push rod 4 forwards, the sliding sleeve 5 slides downwards along the front support rod 11 under the drive of the connecting rod 6 to enable the push rod 4 to rotate relatively with the front support 1 and gradually fold together, meanwhile, the sliding sleeve 5 also drives the rear support 2 to turn over relatively with the basket frame 3 when sliding downwards along the front support rod 11 to enable the rear support 2 to gradually fold towards the basket frame 3, and the rear wheel assembly 20 moves backwards after the turning over of the support 2 so as to continuously increase the distance between the rear support and the front wheel assembly 10; the rear bracket 2 is turned toward the basket frame 3 while the upper part of the front bracket 1 is lowered so as to be gradually turned over and folded with respect to the basket frame 3. Finally, as shown in fig. 5, the push rod 4, the connecting rod 6, the front bracket 1, the rear bracket 2 and the basket frame 3 are tightly folded together in the up-down direction, and a very compact and flat structure is presented.

When the child cart needs to be opened, the push rod 4 is pulled upwards, the connecting rod 6 drives the sliding sleeve 5 to slide upwards along the front supporting rod 11, so that the push rod 4 is gradually turned over and opened relative to the front support 1, the front support 1 and the rear support 2 are respectively turned over and unfolded relative to the basket frame 3, and the locking mechanism locks until the frame 100 is completely opened, so that the frame 100 can be unfolded again for use.

Referring to fig. 6, the child stroller frame 100 may be used with a seat pocket assembly 200, and the seat pocket assembly 200 may be connected to the frame 100 by a seat pocket connector 7. In this embodiment, the seat pocket assembly 200 is a foldable structure, and two seat pocket connectors 7 are respectively disposed on the connecting rods 6 at two sides. When the child stroller is folded, the seat pocket assembly 200 can be folded first, and then the frame 100 is folded, and in the folding process of the frame, the folded seat pocket assembly 200 rotates along with the connecting rod 6 and is folded between the rods of the frame 100. Therefore, the baby stroller can be folded with the seat pocket, and is very convenient to use.

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

1. A child stroller comprising a frame having an expanded configuration and a collapsed configuration, a wheel assembly disposed at a bottom of the frame, and a locking mechanism for locking the frame in the expanded configuration, wherein: the frame comprises a front bracket, a rear bracket, a basket bracket and a push rod, wherein the front bracket gradually inclines upwards from front to back, the rear bracket extends along the up-down direction, the basket bracket extends along the front-down direction, the push rod extends along the up-down direction, the lower part of the push rod is pivotally connected with the upper part of the front bracket, the front part of the basket bracket is pivotally connected with the lower part of the front bracket, and the rear part of the basket bracket is pivotally connected with the rear bracket;

2. The stroller of claim 1, wherein: the upper part of the rear bracket, the lower part of the connecting rod and the sliding piece are rotationally connected together around the same rotation axis.

3. The stroller of claim 1, wherein: when the frame is in a unfolding state, the front bracket and the push rod extend along the same length direction.

4. The stroller of claim 1, wherein: the rear part of the basket frame is pivotally connected to the rear bracket below the sliding member.

5. The stroller of claim 1, wherein: the wheel components comprise front wheel components arranged at the bottom of the front support and rear wheel components arranged at the bottom of the rear support, when the frame is folded, the front support and the rear support are respectively turned and folded relative to the basket frame, and the rear wheel components are moved backwards relative to the front wheel components.

6. The stroller of claim 1, wherein: the baby stroller is characterized by further comprising a seat pocket assembly which is grafted on the frame and is foldable, when the baby stroller is folded, the seat pocket assembly is folded, the frame is folded again, and the folded seat pocket assembly is folded together with the frame.

7. The stroller of claim 6, wherein: the seat pocket assembly is grafted on the connecting rod through a seat pocket connecting piece, and when the child stroller is folded, the folded seat pocket assembly is folded between the rod pieces of the frame.

8. A stroller according to any one of claims 1 to 7, wherein: the front support comprises at least two front support rods which are respectively arranged at the left side and the right side and gradually incline upwards from front to back, and the sliding piece is arranged on the front support rods in a sliding manner along the length extending direction of the front support rods.

9. The stroller of claim 8, wherein: the back support is at least including locating respectively left and right sides and all along the back branch that the upper and lower direction extends, the basket frame is including locating respectively left and right sides and all along the basket pole that the fore-and-aft direction extends, on each side of the left and right sides of frame, the upper portion pivot joint of back branch is in on the slider, the front portion pivot joint of basket pole is in the lower part of preceding branch just the rear portion pivot joint of basket pole is in on the back branch.

10. The stroller of claim 9, wherein: the push rod is including locating the push rod side lever that left and right sides just all extends along the upper and lower direction respectively, the connecting rod has the connecting rod of locating left and right sides respectively, on each side of frame left and right sides, the lower part of push rod side lever with the upper portion looks pivot connection of preceding branch, the upper portion pivot connection of connecting rod is in on the push rod side lever, the lower part of connecting rod with slider relatively rotationally connects.