Al technical title is built by PatSnap Al team. It summarizes the technical point description of the patent document.
A trolley frame and push rod technology, applied in trolleys, children's carriages/baby carriages, multi-axis children's carriages/cradle cars, etc., can solve the problems of inconvenient folding and complex structure, and achieve easy portability and storage, small size , The effect of vehicle structure stability
Active Publication Date: 2017-07-04
KUNSHAN LITTLE DINASAUR CHILD PROD
View PDF5 Cites 9 Cited by
Summary
Abstract
Description
Claims
Application Information
AI Technical Summary
This helps you quickly interpret patents by identifying the three key elements:
Problems solved by technology
Method used
Benefits of technology
Problems solved by technology
[0004] The object of the present invention is to provide a foldable stroller frame and a foldable stroller to solve the problems of complex structure and inconvenient folding existing in the existing foldable stroller
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more
Image
Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
Click on the blue label to locate the original text in one second.
Reading with bidirectional positioning of images and text.
Smart Image
Examples
Experimental program
Comparison scheme
Effect test
Embodiment 1
[0033] This embodiment provides a foldable stroller frame. In this embodiment, the directions of "front", "rear", "left", "right", "up" and "down" are all represented by The direction that the user faces when pushing the cart, that is, the direction that the user is facing when pushing the cart, is the front. Based on this, the above directions will be described.
[0034] Specifically, such as Figure 1-7 As shown, the foldable stroller frame includes a front wheel bracket 1, a rear wheel bracket 2, a side armrest 3, a push rod 4, a rear strut 5, a front wheel bracket connecting rod 6, a side armrest connecting rod 7, and a sliding sleeve 8 , front wheel assembly 11 and rear wheel assembly 12, wherein:
[0035] Above-mentioned front wheel assembly 11 is installed on the front wheel support 1, and rear wheel assembly 12 is installed on the rear wheel support 2.
[0036] Such as figure 2 As shown, the above-mentioned front wheel bracket 1 and the rear wheel bracket 2 are piv...
Embodiment 2
[0050] The difference between the present embodiment and the first embodiment is that the seat post 9 of the present embodiment is not rotatably connected to the front wheel bracket link 6, as Figure 8-12 As shown, the above-mentioned seat post 9 is slidingly arranged in the seat post sliding sleeve 51, and the seat post sliding sleeve 51 is rotationally connected with the side armrest 3 through a pin 52, and one end of the above-mentioned seat post 9 is rotationally connected with the side armrest link 7 through a pin 53, and the side The upper end of the armrest connecting rod 7 is rotatably connected with a front armrest socket 55. Specifically, a connector is provided on the side armrest 3, and the connector is rotatably connected with the front armrest socket 55. The rotation axis of the above-mentioned front armrest socket 55 is coaxial with the The axis of rotation of the front armrest link 7 and the side armrest 3, that is, the rotation connection between the front arm...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more
PUM
Login to view more
Abstract
The invention belongs to the technical field of carts, and discloses a foldable cart frame. The foldable cart frame comprises a front wheel support and a rear wheel support connected to the front wheel support in a rotary mode. A side armrest is connected to the upper end of the rear wheel support in a rotary mode, rear support bar is connected to the rear end of the rear wheel support in a rotary mode, and the side armrest and the rear support bar are not of same axis and are connected with a push bar in a rotary mode; the rear wheel support is provided with a sliding sleeve, and the sliding sleeve is connected with a front wheel support connecting bar and a side armrest connecting bar; and one end of the front wheel support connecting bar not connected with the sliding sleeve is connected with the front wheel support, and one end of the side armrest connecting rod not connected with the sliding sleeve is connected with the side armrest. A foldable cart is also provided, and the foldable cart comprises the foldable cart frame. According to the foldable cart frame and the foldable cart, folding of the cart frame is more convenient and fast, the folded volume is small, carry and storage are convenient, and a great convenience for a user is brought; and when the cart unfolds, the whole cart structure is more stable.
Description
technical field [0001] The invention relates to the technical field of pushcarts, in particular to a foldable pushcart frame and a foldable pushcart. Background technique [0002] Stroller is a common tool in daily life, such as a stroller for shopping, and a stroller for infants and young children. In order to facilitate portability and storage when not in use, for example, baby strollers are usually set to be foldable. By folding the stroller, the space that the stroller needs to take up is reduced. [0003] There are many types of existing folding stroller frames, but they are either relatively complex in structure and not high in structural strength, or they are inconvenient to fold, and they are large in size after folding, which is inconvenient to place and store, and cannot be used These defects will cause inconvenience to users, lead to poor user experience, and are not conducive to marketing. Contents of the invention [0004] The object of the present inventio...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more
Application Information
Patent Timeline
Application Date:The date an application was filed.
Publication Date:The date a patent or application was officially published.
First Publication Date:The earliest publication date of a patent with the same application number.
Issue Date:Publication date of the patent grant document.
PCT Entry Date:The Entry date of PCT National Phase.
Estimated Expiry Date:The statutory expiry date of a patent right according to the Patent Law, and it is the longest term of protection that the patent right can achieve without the termination of the patent right due to other reasons(Term extension factor has been taken into account ).
Invalid Date:Actual expiry date is based on effective date or publication date of legal transaction data of invalid patent.
Login to view more 
Login to view more