Folding cart
阅读说明:本技术 折叠推车 (Folding cart ) 是由 唐鸣 李向华 张霞 于 2019-08-02 设计创作,主要内容包括:本发明公开了一种折叠推车,其推车车架包括前支架、后支架、推杆架、座位架,以及立杆与连杆,所述前支架的上部、所述后支架的上部及所述推杆架的下部相互转动地连接,所述座位架的后部转动地连接在所述前支架上,所述立杆的一端部转动地连接在所述座位架的前部,所述立杆的另一端部既能够相对转动又能够相对滑动地设于所述前支架上;所述连杆的一端部转动地连接在所述后支架上,所述连杆的另一端部既能够相对转动又能够相对滑动地设于所述前支架上;折叠后的推车车架上座位架露出在外侧,使得该座位架的结构设置以及再嫁接安装座兜都不会影响推车车架整体收折的紧凑性,折叠后的推车车架结构平整、紧凑。(The invention discloses a folding cart, wherein a cart frame of the folding cart comprises a front support, a rear support, a push rod frame, a seat frame, a vertical rod and a connecting rod, wherein the upper part of the front support, the upper part of the rear support and the lower part of the push rod frame are mutually and rotatably connected, the rear part of the seat frame is rotatably connected to the front support, one end part of the vertical rod is rotatably connected to the front part of the seat frame, and the other end part of the vertical rod can be relatively and slidably arranged on the front support; one end part of the connecting rod is rotatably connected to the rear bracket, and the other end part of the connecting rod can be arranged on the front bracket in a relatively rotating and relatively sliding manner; the seat frame on the folded cart frame is exposed outside, so that the structural arrangement of the seat frame and the compact of the whole folded cart frame cannot be influenced by grafting the mounting seat pocket, and the folded cart frame is flat and compact in structure.)
1. The utility model provides a folding shallow, includes the shallow frame that has expansion state and fold condition, locates at the bottom of the shallow frame anterior front wheel subassembly, locate the rear wheel subassembly at the bottom of the shallow frame rear portion, and be used for with the locking mechanical system of shallow frame locking under expansion state, its characterized in that: the cart frame comprises a front support, a rear support, a push rod frame, a seat frame, a vertical rod and a connecting rod, wherein the upper part of the front support, the upper part of the rear support and the lower part of the push rod frame are rotationally connected, the third part is rotationally connected with one of the front support, the rear support and the lower part of the push rod frame, or the three parts are rotationally connected together around the same rotation center line,
the rear part of the seat frame is rotatably connected to the front bracket, one end part of the upright rod is rotatably connected to the front part of the seat frame, and the other end part of the upright rod can rotate relatively and is arranged on the front bracket in a sliding manner along the length direction of the front bracket; one end part of the connecting rod is rotatably connected to the rear bracket, and the other end part of the connecting rod can be arranged on the front bracket in a manner of relatively rotating and sliding along the length direction of the front bracket; when the cart frame is in a folded state, the front support, the rear support and the push rod frame are mutually folded, the push rod frame is folded at the rear side of the rear support, and the seat frame is folded at the front side of the front support.
2. The folding cart of claim 1, wherein: the stroller frame further comprises a foldable seat pocket detachably connected to the seat frame, the foldable seat pocket at least comprises a seat board, the seat board is installed on the seat frame, and when the stroller frame is folded, the foldable seat pocket is folded and is folded with the seat frame.
3. The folding cart of claim 2, wherein: the foldable seat pocket further comprises a backrest plate having a backrest support surface, the rear portion of the seat plate is rotatably connected with the lower portion of the backrest plate, and the foldable seat pocket has a forward installation state in which the backrest support surface faces forward and a reverse installation state in which the backrest support surface faces rearward on the seat frame.
4. The folding cart of claim 1, wherein: the front bracket is provided with a sliding part in a sliding manner along the length extension direction of the front bracket, and the end part of the upright rod and the end part of the connecting rod are respectively and rotatably connected to the sliding part.
5. The folding cart of claim 4, wherein: when the stroller frame is converted from the unfolded state to the folded state, the sliding piece slides downwards along the front support, so that the seat frame, the front support and the rear support are mutually rotated and folded.
6. The folding cart of claim 1, wherein: the upper portion of the front support, the upper portion of the rear support and the lower portion of the push rod frame are connected in a rotating mode around the same rotating center line, and the locking mechanism comprises locking joints which are arranged among the upper portion of the front support, the upper portion of the rear support and the lower portion of the push rod frame and used for locking the front support, the upper portion of the rear support and the lower portion of the push rod frame.
7. The folding cart according to any one of claims 1 to 6, characterized in that: the front support comprises a front support rod and a pedal, wherein the front support rod gradually inclines upwards from front to back, the pedal is fixedly arranged at the lower part of the front support rod, and the front wheel assembly is arranged at the bottom of the pedal.
8. The folding cart of claim 7, wherein: the rear bracket has two sets of back branches of locating the left and right sides separately, every group the lower part of back branch all is provided with the rear wheel subassembly, every group back branch all inwards extends from bottom to top, push rod frame includes down push rod and the last push rod that extends and can the relative slip stretch out and draw back along upper and lower direction, down push rod's lower part the upper portion and two of front branch connect with rotating relatively between the upper portion of back branch.
9. The utility model provides a folding shallow, includes the shallow frame that has expansion state and fold condition, locates at the bottom of the shallow frame anterior front wheel subassembly, locate the rear wheel subassembly at the bottom of the shallow frame rear portion, and be used for with the locking mechanical system of shallow frame locking under expansion state, its characterized in that: the shallow frame includes that fore-stock and after-poppet, the rear portion that the rotation is connected each other rotate seat frame, rear portion that are connected on the fore-stock and rotate and connect connecting rod, rotation on the after-poppet are connected the anterior pole setting of seat frame, the pole setting with the connecting rod can rotate respectively and set up with sliding on the fore-stock, the rear portion of connecting rod is located two sets of the left and right sides with the branch the after-poppet is connected respectively, the front portion of connecting rod with same the fore-stock is connected, the shallow is still located including rotating push rod frame on fore-stock and/or the after-poppet, works as when the shallow frame is in fold condition, fore-stock, after-poppet reaches push rod frame draws in each other, just push rod frame draw in the rear side of after-poppet, seat frame draw in the front side of fore-stock.
10. The folding cart of claim 9, wherein: the stroller frame further comprises a foldable seat pocket detachably connected to the seat frame, when the stroller frame is folded, the foldable seat pocket is folded and furled with the seat frame, and the height of the foldable seat pocket is not more than the highest height of the rest parts of the stroller frame.
Technical Field
The invention relates to a folding cart.
Background
Disclosure of Invention
The invention aims to provide a folding cart with a novel structure.
In order to achieve the purpose, the invention adopts the technical scheme that: a folding cart comprises a cart frame with an unfolding state and a folding state, a front wheel assembly arranged at the front part of the cart frame bottom, a rear wheel assembly arranged at the rear part of the cart frame bottom, and a locking mechanism used for locking the cart frame in the unfolding state, wherein the cart frame comprises a front support, a rear support, a push rod frame, a seat frame, a vertical rod and a connecting rod, the upper part of the front support, the upper part of the rear support and the lower part of the push rod frame are connected in a rotating manner, the three are connected on one of the two in a rotating manner, or the three are connected together in a rotating manner around the same rotating central line,
the rear part of the seat frame is rotatably connected to the front bracket, one end part of the upright rod is rotatably connected to the front part of the seat frame, and the other end part of the upright rod can rotate relatively and is arranged on the front bracket in a sliding manner along the length direction of the front bracket; one end part of the connecting rod is rotatably connected to the rear bracket, and the other end part of the connecting rod can be arranged on the front bracket in a manner of relatively rotating and sliding along the length direction of the front bracket; when the cart frame is in a folded state, the front support, the rear support and the push rod frame are mutually folded, the push rod frame is folded at the rear side of the rear support, and the seat frame is folded at the front side of the front support.
Preferably, the stroller frame further comprises a foldable seat pocket grafted on the seat frame, the foldable seat pocket at least comprises a seat board, the seat board is mounted on the seat frame, and when the stroller frame is folded, the foldable seat pocket is folded and is folded with the seat frame.
Further, the foldable seat pocket is detachably connected to the seat frame.
Still further, the foldable seat bag further includes a back plate having a back support surface, a rear portion of the seat plate being rotatably connected to a lower portion of the back plate, the foldable seat bag having a forward mounting state in which the back support surface faces forward and a reverse mounting state in which the back support surface faces rearward on the seat frame.
Preferably, a sliding member is slidably disposed on the front bracket along a length extending direction thereof, and an end of the upright rod and an end of the connecting rod are respectively rotatably connected to the sliding member.
Further, the end of the upright rod and the end of the connecting rod are rotatably connected to the sliding member around the same rotation center line.
Further, when the stroller frame is converted from the unfolded state to the folded state, the sliding member slides downwards along the front support, so that the seat frame, the front support and the rear support are rotated and folded mutually.
Preferably, the upper part of the front bracket, the upper part of the rear bracket and the lower part of the push rod frame are rotatably connected around the same rotation center line, and the locking mechanism includes a locking joint which is arranged among the upper part of the front bracket, the upper part of the rear bracket and the lower part of the push rod frame and is used for locking the front bracket, the upper part of the rear bracket and the lower part of the push rod frame relatively.
Preferably, the front bracket comprises a front support rod which gradually slantingly extends upwards from front to back, and a pedal fixedly arranged at the lower part of the front support rod, and the front wheel assembly is arranged at the bottom of the pedal.
Further, the rear bracket has two sets of back branches of locating the left and right sides separately, every group the lower part of back branch all is provided with the rear wheel subassembly, every group back branch all inwards extends from bottom to top, the push rod frame includes down push rod and the last push rod that extends and can the relative slip stretch out and draw back along upper and lower direction, the lower part of down push rod the upper portion of front branch and two connect relatively rotatoryly between the upper portion of back branch.
In order to achieve the purpose, the invention adopts another technical scheme that: a folding cart comprises a cart frame with an unfolding state and a folding state, a front wheel component arranged at the front part of the cart frame, a rear wheel component arranged at the rear part of the cart frame, and a locking mechanism used for locking the cart frame in the unfolding state, wherein the cart frame comprises a front support and a rear support which are connected in a mutual rotation manner, a seat frame which is connected on the front support in a rotating manner, a rear part of the seat frame which is connected on the rear support in a rotating manner, a connecting rod which is connected on the front part of the seat frame in a rotating manner, a vertical rod which is connected on the front support in a rotating manner, and a connecting rod which is arranged on the front support in a rotating manner and sliding manner, the rear part of the connecting rod is connected with two groups of rear supports which are respectively arranged at the left side and the right side, the front part of the connecting rod is connected with the same front support, and, when the cart frame is in a folded state, the front support, the rear support and the push rod frame are mutually folded, the push rod frame is folded at the rear side of the rear support, and the seat frame is folded at the front side of the front support.
Preferably, the stroller frame further comprises a foldable seat pocket detachably connected to the seat frame, when the stroller frame is folded, the foldable seat pocket is folded and is folded with the seat frame, and the height of the foldable seat pocket is not more than the highest height of the rest parts of the stroller frame.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages: according to the folding cart, the cart frame only comprises the front support, the rear support, the push rod frame, the seat frame, the vertical rod and the connecting rod, so that the cart frame can be unfolded and folded.
Drawings
Fig. 1 is a perspective view of the folding stroller of the present invention in an unfolded state, wherein a foldable seat pocket is mounted on a seat frame, wherein the foldable seat pocket is in a forward mounting state;
FIG. 2 is a side view of FIG. 1;
fig. 3 is a side view of the foldable seat pocket of the folding stroller of fig. 2 when converted into a reverse installation state;
FIG. 4 is a schematic view of the folding process of the folding cart of FIG. 2;
FIG. 5 is a side view of the folding cart of the present invention in a folded state;
FIG. 6 is a top view of the folding cart of the present invention in a folded state;
fig. 7 is a side view of the folding stroller of the present invention with the foldable seat pocket removed;
FIG. 8 is a side view of the folding cart of FIG. 7 in a folded state;
wherein: 1. a front bracket; 11. a front support rod; 12. a step plate; 2. a rear bracket; 21. a rear support rod; 22. a rear cross bar; 3. a push rod frame; 31. a lower push rod; 32. a push rod is arranged; 4. erecting a rod; 5. a connecting rod; 6. a seat frame; 7. a slider (sliding sleeve); 8. a foldable seat pocket; 81. a seat plate; 81a, protecting the crotch; 82. a back board; 82a, a backrest support surface; 83. a front armrest; 9. a locking joint; 10. a front wheel assembly; 20. a rear wheel assembly.
Detailed Description
The technical solution of the present invention is further explained with reference to the drawings and the specific embodiments.
Referring to fig. 1 to 8, a folding stroller includes a stroller frame having an unfolded state and a folded state, a
This shallow frame includes fore-
The
So, when the
Referring to the drawings, in the embodiment, the
Referring to the drawings, the stroller frame further comprises a
The
The
Referring to the drawings, in the present embodiment, the
The
In summary, in the foldable stroller of the present invention, when the stroller frame is in the unfolded state, referring to fig. 1 to 3 and fig. 7, the
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
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