CN110758528B - Child cart - Google Patents
Child cart Download PDFInfo
- Publication number
- CN110758528B CN110758528B CN201910972599.8A CN201910972599A CN110758528B CN 110758528 B CN110758528 B CN 110758528B CN 201910972599 A CN201910972599 A CN 201910972599A CN 110758528 B CN110758528 B CN 110758528B
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- China
- Prior art keywords
- rod
- rotatably connected
- bracket
- connecting rod
- frame
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- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B7/00—Carriages for children; Perambulators, e.g. dolls' perambulators
- B62B7/04—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor
- B62B7/06—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B9/00—Accessories or details specially adapted for children's carriages or perambulators
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)
Abstract
本发明公开了一种儿童推车，包括具有展开状态和折叠状态的车架，车架包括分设在两侧的两个侧支架，每侧的侧支架均包括：前支架，前支架为伸缩杆组件，伸缩杆组件包括上杆和设置在上杆下方并与上杆滑动连接的下杆，前轮组件与下杆的下端部连接；后支架，后支架的下端部与后轮组件连接，后支架的上端部与前支架的上端部转动连接；第一连杆，第一连杆的下端部与下杆转动连接；第二连杆，第二连杆的下端部与后支架转动连接；推杆，推杆的下部与上杆的上部通过第一转动轴转动连接，在第一转动轴的下方，推杆的下端部分别与第一连杆的上端部和第二连杆的上端部转动连接；当车架在展开状态和折叠状态之间相互转换时，推杆带动下杆相对上杆滑动。
The invention discloses a stroller for children, comprising a frame with an unfolded state and a folded state, the frame comprising two side brackets arranged on both sides, the side brackets on each side comprising: a front bracket, the front bracket being a telescopic rod assembly, the telescopic rod assembly comprising an upper rod and a lower rod arranged below the upper rod and slidably connected to the upper rod, a front wheel assembly being connected to the lower end of the lower rod; a rear bracket, the lower end of the rear bracket being connected to the rear wheel assembly, and the upper end of the rear bracket being rotatably connected to the upper end of the front bracket; a first connecting rod, the lower end of the first connecting rod being rotatably connected to the lower rod; a second connecting rod, the lower end of the second connecting rod being rotatably connected to the rear bracket; a push rod, the lower part of the push rod being rotatably connected to the upper part of the upper rod through a first rotating shaft, and the lower end of the push rod being rotatably connected to the upper end of the first connecting rod and the upper end of the second connecting rod respectively below the first rotating shaft; when the frame is converted between the unfolded state and the folded state, the push rod drives the lower rod to slide relative to the upper rod.
Description
Technical Field
The invention relates to the field of children products, in particular to a child trolley.
Background
In the prior art, the stroller is often foldable for convenience in carrying and storing. However, the existing cart is mostly complex in structure, more in rods and inconvenient in folding operation, and meanwhile, the length of a front support or a rear support of the folded cart is too long, so that the whole volume of the cart is large, and the front support or the rear support of the folded cart comprises two parts capable of rotating relatively to further fold, but the secondary folding is inconvenient.
Disclosure of Invention
The invention aims to provide a child cart with a simple structure and a front support capable of synchronously retracting when being folded, so that the volume of the cart after being folded is smaller.
In order to achieve the aim, the technical scheme adopted by the invention is that the children's barrow comprises a frame with an unfolding state and a folding state, a front wheel assembly and a rear wheel assembly, wherein the frame comprises two side brackets respectively arranged at the left side and the right side, and the children's barrow is characterized in that each side bracket comprises:
The front support extends obliquely from front to back and upwards in the unfolded state of the frame, the front support is a telescopic rod assembly, the telescopic rod assembly comprises an upper rod and a lower rod, the lower rod is arranged below the upper rod and is in sliding connection with the upper rod, and the front wheel assembly is connected with the lower end part of the lower rod;
the rear bracket extends obliquely from back to front and upwards in the unfolded state of the frame, the lower end part of the rear bracket is connected with the rear wheel assembly, and the upper end part of the rear bracket is rotationally connected with the upper end part of the upper rod;
The lower end part of the first connecting rod is rotationally connected with the lower rod;
The lower end part of the second connecting rod is rotationally connected with the rear bracket;
The lower part of the push rod is rotationally connected with the upper rod through a rotating shaft, and the lower end part of the push rod is rotationally connected with the upper end part of the first connecting rod and the upper end part of the second connecting rod respectively below the rotating shaft;
when the frame is converted between the unfolding state and the folding state, the push rod drives the lower rod to slide relative to the upper rod.
Further, the upper rod is slidably inserted into the lower rod or the lower rod is slidably inserted into the upper rod.
Further, the first link includes a seat bar extending in a front-rear direction, and a link bar fixedly connected to a front portion of the seat bar and extending obliquely in an up-down direction, a rear end portion of the seat bar is rotatably connected to a lower end portion of the push bar, and a lower end portion of the link bar is rotatably connected to a lower end portion of the lower bar.
Further, the lower end part of the push rod is rotationally connected with the upper end part of the first connecting rod and the upper end part of the second connecting rod through the same rotating shaft.
Further, the push rod comprises a push rod body, a first extension rod and a second extension rod, wherein the first extension rod and the second extension rod are fixedly arranged at the lower end part of the push rod body, the upper end part of the first connecting rod is rotationally connected with the lower end part of the first extension rod, and the upper end part of the second connecting rod is rotationally connected with the lower end part of the second extension rod.
Further, the rotating shaft is positioned in front of the rotating connection point of the upper rod and the rear bracket.
Another object of the present invention is to provide a child stroller with a simple structure and a synchronously retractable rear support when folded, so that the volume of the stroller after folding is small.
In order to achieve the aim, the technical scheme adopted by the invention is that the children's barrow comprises a frame with an unfolding state and a folding state, a front wheel assembly and a rear wheel assembly, wherein the frame comprises two side brackets respectively arranged at the left side and the right side, and the children's barrow is characterized in that each side bracket comprises:
the front bracket extends obliquely from front to back and upwards in the unfolded state of the frame, and the front wheel assembly is connected with the lower end part of the front bracket;
The rear support extends obliquely from back to front and upwards in the unfolded state of the frame, and is a telescopic rod assembly, the telescopic rod assembly comprises an upper rod and a lower rod, the lower rod is arranged below the upper rod and is in sliding connection with the upper rod, the upper end part of the upper rod is rotationally connected with the upper end part of the front support, and the lower end part of the lower rod is connected with the rear wheel assembly;
The lower end part of the first connecting rod is rotationally connected with the lower rod;
the lower end part of the second connecting rod is rotationally connected with the front bracket;
The lower part of the push rod is rotationally connected with the upper rod through a rotating shaft, and the lower end part of the push rod is rotationally connected with the upper end part of the first connecting rod and the upper end part of the second connecting rod respectively below the rotating shaft;
when the frame is converted between the unfolding state and the folding state, the push rod drives the lower rod to slide relative to the upper rod.
Further, the upper rod is slidably inserted into the lower rod or the lower rod is slidably inserted into the upper rod.
Further, the upper rod is bent and extends forwards to form a seat rod, and the front end part of the seat rod is rotatably connected with the upper end part of the front bracket.
Further, the lower end part of the push rod is rotationally connected with the upper end part of the first connecting rod and the upper end part of the second connecting rod through the same rotating shaft.
Compared with the prior art, the child cart has the advantages that the telescopic rod assembly is arranged on the front support or the rear support, when the cart is folded from the unfolded state, the push rod drives the first connecting rod to move, and the lower rod in the telescopic rod assembly is driven by the first connecting rod to slide upwards to close relative to the upper rod, so that the folded cart is smaller in volume after being folded, does not need secondary folding, and is convenient to store and transport.
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 side 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 in a collapsed condition (embodiment 1);
FIG. 5 is a perspective view of the stroller of the present invention in an unfolded state (example 2);
FIG. 6 is a side view of the stroller of the present invention in an expanded state (example 2);
FIG. 7 is a side view of the child stroller of the present invention (embodiment 2) during folding;
fig. 8 is a side view of the child stroller of the present invention in a collapsed condition (embodiment 2).
The reference numerals in the figures are:
1. the bicycle comprises a front wheel assembly, a rear wheel assembly, a front bracket, a rear bracket, a 5a, an upper rod, a 5b, a lower rod, a 6, a first connecting rod, a 7, a second connecting rod, a 8, a push rod, a 8a, a push rod body 9, a rotating shaft, a 10, a seat rod, a 11, a connecting rod, a12, a first extension rod, a 13 and a second extension rod.
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 4, the stroller in this embodiment includes a frame having an unfolded state and a folded state, a front wheel assembly 1, and a rear wheel assembly 2, the frame including two side brackets provided separately on left and right sides, the side brackets on each side including:
The front bracket 3, the front bracket 3 extends from front to back and inclines upwards in the unfolding state of the frame, the front bracket 3 is a telescopic rod assembly, the telescopic rod assembly comprises an upper rod 5a and a lower rod 5b which is arranged below the upper rod 5a and is in sliding connection with the upper rod 5a, specifically, the upper rod 5a is slidably inserted into the lower rod 5b or the lower rod 5b is slidably inserted into the upper rod 5a, and the front wheel assembly 1 is connected with the lower end part of the lower rod 5 b;
the rear bracket 4 extends obliquely from back to front and upwards in the unfolded state of the frame, the lower end part of the rear bracket 4 is connected with the rear wheel assembly 2, and the upper end part of the rear bracket 4 is rotationally connected with the upper end part of the upper rod 5 a;
The first link 6, the lower end of the first link 6 is rotatably connected with the lower link 5b, in this embodiment, the first link 6 includes a seat bar 10 extending in the front-rear direction, and a connecting bar 11 fixedly connected with the front of the seat bar 10 and extending obliquely in the up-down direction, the lower end of the connecting bar 11 is rotatably connected with the lower end of the lower link 5 b;
the lower end part of the second connecting rod 7 is rotationally connected with the rear bracket 4;
The push rod 8, the lower part of the push rod 8 is rotationally connected with the upper rod 5a through the rotation shaft 9, the rotation shaft 9 is positioned in front of the rotation connection point of the upper rod 5a and the rear bracket 4, and under the rotation shaft 9, the lower end part of the push rod 8 is rotationally connected with the upper end part of the first connecting rod 6 (namely, the rear end part of the seat rod 10) and the upper end part of the second connecting rod 7 respectively, as shown in fig. 2, the push rod 8 in the embodiment comprises a push rod body 8a, a first extension rod 12 and a second extension rod 13 fixedly arranged at the lower end part of the push rod body 8a, the upper end part of the first connecting rod 6 is rotationally connected with the lower end part of the first extension rod 12, the upper end part of the second connecting rod 7 is rotationally connected with the lower end part of the second extension rod 13, and the lower end part of the push rod 8 and the upper end part of the second connecting rod 7 are rotationally connected (not shown in the figure) through the same rotation shaft;
As shown in fig. 3-4, when the frame is folded, the lower part of the push rod 8 is pressed downwards and the push rod 8 is closed towards the rear support 4, the push rod 8 drives the first connecting rod 6 to move upwards, and the first connecting rod 6 drives the lower rod 5b to slide upwards relative to the upper rod 5a, so that the length of the front support 3 is shortened, and finally the aim of reducing the folding volume of the cart when the frame is folded is achieved.
Example 2
As shown in fig. 5 to 8, the biggest difference between the present embodiment and embodiment 1 is that the rear bracket 4 is a telescopic rod assembly, the stroller includes a frame having an unfolded state and a folded state, a front wheel assembly 1, and a rear wheel assembly 2, the frame includes two side brackets separately provided at left and right sides, and the side brackets at each side include:
The front bracket 3 extends obliquely from front to back and upwards in the unfolded state of the frame, and the front wheel assembly 1 is connected with the lower end part of the front bracket 3;
The rear bracket 4, the rear bracket 4 extends from back to front and extends upwards in the unfolding state of the frame, the rear bracket 4 is a telescopic rod assembly, the telescopic rod assembly comprises an upper rod 5a and a lower rod 5b arranged below the upper rod 5a and connected with the upper rod 5a in a sliding manner, specifically, the upper rod 5a is inserted into the lower rod 5b in a sliding manner or the lower rod 5b is inserted into the upper rod 5a in a sliding manner, the lower end part of the lower rod 5b is connected with the rear wheel assembly 2, the upper rod 5a is bent and extends forwards to form a seat rod 10, and the front end part of the seat rod 10 is connected with the upper end part of the front bracket 3 in a rotating manner;
A first link 6, the lower end of the first link 6 being rotatably connected to the lower link 5 b;
The lower end part of the second connecting rod 7 is rotationally connected with the front bracket 3;
The push rod 8, the lower part of push rod 8 is rotationally connected with upper rod 5b through axis of rotation 9, in the below of axis of rotation 9, the lower tip of push rod 8 is rotationally connected with the upper end of first connecting rod 6 and the upper end of second connecting rod 7 respectively, the lower tip of push rod 8 is rotationally connected with the upper end of first connecting rod 6 and the upper end of second connecting rod 7 through same pivot in this embodiment, of course also can set up to push rod 8 and include push rod body and fixed first extension pole and the second extension pole that sets up at push rod body lower extreme, the upper end of first connecting rod 6 is rotationally connected with the lower tip of first extension pole, the upper end of second connecting rod 7 is rotationally connected (not shown in the figure) with the lower tip of second extension pole.
As shown in fig. 7-8, when the frame is folded, the lower part of the push rod 8 is pressed downwards and the push rod 8 is closed towards the rear support 4, the push rod 8 drives the first connecting rod 6 to move upwards, and the first connecting rod 6 drives the lower rod 5b to slide upwards relative to the upper rod 5a, so that the length of the rear support 4 is shortened, and finally the aim of reducing the folding volume of the cart during folding is achieved.
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)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910972599.8A CN110758528B (en) | 2019-10-14 | 2019-10-14 | Child cart |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910972599.8A CN110758528B (en) | 2019-10-14 | 2019-10-14 | Child cart |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110758528A CN110758528A (en) | 2020-02-07 |
| CN110758528B true CN110758528B (en) | 2024-11-29 |
Family
ID=69332315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910972599.8A Active CN110758528B (en) | 2019-10-14 | 2019-10-14 | Child cart |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110758528B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111391908B (en) * | 2020-01-22 | 2021-09-28 | 好孩子儿童用品有限公司 | Children's barrow |
| CN114392087B (en) * | 2022-01-20 | 2023-12-15 | 无锡祥生医疗科技股份有限公司 | Medical cart |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211167039U (en) * | 2019-10-14 | 2020-08-04 | 好孩子儿童用品有限公司 | Children's barrow |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1538062A1 (en) * | 2003-12-02 | 2005-06-08 | Christian Haeggberg | Foldable perambulator |
| CN101898574B (en) * | 2010-07-12 | 2012-02-29 | 好孩子儿童用品有限公司 | Baby carriage |
| CN207449995U (en) * | 2017-10-19 | 2018-06-05 | 好孩子儿童用品有限公司 | A kind of children trolley |
| CN207955752U (en) * | 2017-12-25 | 2018-10-12 | 好孩子儿童用品有限公司 | A kind of children trolley |
-
2019
- 2019-10-14 CN CN201910972599.8A patent/CN110758528B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211167039U (en) * | 2019-10-14 | 2020-08-04 | 好孩子儿童用品有限公司 | Children's barrow |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110758528A (en) | 2020-02-07 |
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