CN211494195U

CN211494195U - Foldable frame

Info

Publication number: CN211494195U
Application number: CN201922198103.4U
Authority: CN
Inventors: 蔡守进
Original assignee: Jiangsu Little Dinosaur Children Products Group Co ltd
Current assignee: Jiangsu Little Dinosaur Children Products Group Co ltd
Priority date: 2019-12-10
Filing date: 2019-12-10
Publication date: 2020-09-15
Anticipated expiration: 2029-12-10

Abstract

The utility model belongs to the baby's shallow field discloses a collapsible frame, including the side bar that the symmetry set up, both ends difference fixed connection one the side handrail horizontal pole of side bar all rotate connect in the front wheel support and the rear wheel support of side handrail horizontal pole all rotate connect in the side bar push away subassembly and preceding bar, all rotate connect in the rear wheel support connecting rod and the seat pole of preceding bar, both ends rotate respectively connect preceding bar with push away the back stay of subassembly, rotate connect in the front wheel support connecting rod of back wheel support connecting rod, front wheel support connecting rod rotate connect in the front wheel support, the rear wheel support connecting rod rotate connect in the rear wheel support, the seat pole rotates and is connected with the seat pole connecting rod, the seat pole connecting rod rotate connect in the rear wheel support. The utility model discloses a collapsible frame, folding mode is simple swift, and folding back is small, is applicable to depositing in narrow space, and convenient to carry.

Description

Foldable frame

Technical Field

The utility model relates to a baby's shallow field especially relates to a collapsible frame.

Background

The infant shallow is in the design of frame structure, in order to satisfy the convenience that the consumer carried, generally all can design into folding structure with the shallow frame, and the folding mode of current infant shallow is loaded down with trivial details, and is folding convenient and fast inadequately, and folding back volume is great moreover, is difficult to place in narrow space, is not convenient for deposit and carries.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a collapsible frame, folding mode is simple swift, and folding back is small.

To achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a foldable vehicle frame, includes the side bar that the symmetry set up, both ends difference fixed connection one the side handrail horizontal pole of side bar all rotate connect in the front wheel support and the rear wheel support of side handrail horizontal pole all rotate connect in the push away of side bar subassembly and preceding bar all rotate connect in the rear wheel support connecting rod and the seat pole of preceding bar, both ends rotate respectively connect preceding bar with push away the back stay of subassembly, rotate connect in the front wheel support connecting rod of back wheel support connecting rod, front wheel support connecting rod rotate connect in the front wheel support, the rear wheel support connecting rod rotate connect in the rear wheel support, the seat pole rotates and is connected with the seat pole connecting rod, the seat pole connecting rod rotate connect in the rear wheel support.

Preferably, the bicycle seat further comprises a pedal rod, and two ends of the pedal rod are rotatably connected to the seat rod.

Preferably, the seat post is pinned with the front grab bar, the seat post connecting rod and the pedal post in a different axis manner.

Preferably, the seat post comprises first rods which are symmetrically arranged and second rods which are symmetrically arranged and are connected with the two first rods, and the front grab bar, the seat post connecting rod and the pedal rod are all rotationally connected with the first rods.

Preferably, the front grab bar is connected with the seat bar, the rear wheel bracket connecting rod and the rear support rod through a pin in different axes.

Preferably, the side grab rail structure further comprises a front canopy rod, and two ends of the front canopy rod are respectively and rotatably connected with one side grab rail rod.

Preferably, the push handle assembly further comprises a rear awning rod, and two ends of the rear awning rod are fixedly connected to the push handle assembly.

Preferably, the handle assembly further comprises a locking mechanism, and an unlocking piece of the locking mechanism is slidably connected to the push handle assembly.

Preferably, the bicycle further comprises a front wheel assembly, and the front wheel assembly is rotatably connected to the front wheel bracket.

Preferably, the bicycle further comprises a rear wheel assembly, and the rear wheel assembly is rotatably connected to the rear wheel bracket.

The utility model has the advantages that: through the structure, when the foldable frame is folded, the folding of the foldable frame can be realized only by pushing the pushing handle assembly forwards after the foldable frame is unlocked, the one-way folding mode is simple and quick, and the volume is small after the folding, so that the foldable frame is suitable for storage in narrow space and is convenient to carry.

Drawings

Fig. 1 is a schematic perspective view of a foldable frame provided by the present invention;

fig. 2 is a side view of a foldable frame provided by the present invention;

fig. 3 is a schematic view of the foldable frame provided by the present invention in a folding process;

fig. 4 is a schematic view of the folding state of the foldable frame provided by the present invention.

In the figure:

1. a side grab bar; 2. a side armrest rail; 3. a front wheel bracket; 4. a rear wheel support; 5. a push handle assembly; 6. a front grab bar; 7. a rear wheel support link; 8. a seat post; 81. a first lever; 82. a second lever; 9. a rear stay bar; 10. a front wheel support link; 11. a seat post link; 12. a foot lever; 13. a front canopy rod; 14. a rear canopy rod; 15. a front wheel assembly; 16 a rear wheel assembly; 17. unlocking the lock.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

The utility model provides a foldable frame, as shown in fig. 1 and fig. 2, this foldable frame includes side bar 1, side handrail horizontal pole 2, front wheel support 3, rear wheel support 4, pushes away subassembly 5, preceding bar 6, rear wheel support connecting rod 7, seat pole 8, back vaulting pole 9, front wheel support connecting rod 10, seat pole connecting rod 11, pedal pole 12, preceding covering or awning on a car, boat, etc. pole 13, back covering or awning on a car, boat, etc. pole 14, front wheel subassembly 15, back wheel subassembly 16 and locking mechanical system, wherein:

the two side grab rails 1 are symmetrically arranged, and two ends of the side grab rail cross rod 2 are respectively and fixedly connected with one side grab rail 1. The front wheel support 3 and the rear wheel support 4 are rotatably connected to the side handrail cross rod 2, and a stable supporting structure can be formed through the front wheel support 3, the rear wheel support 4 and the side handrail cross rod 2 so as to support the whole foldable frame. The front wheel bracket 3 is rotatably connected to the front wheel assembly 15, and the rear wheel bracket 4 is rotatably connected to the rear wheel assembly 16.

The side grab bar 1 is also connected with a push handle component 5 and a front grab bar 6 in a rotating way, wherein, an unlocking piece 17 of a locking mechanism is arranged on the push handle component 5, and the unlocking piece 17 is arranged on the push handle component 5 in a sliding way. A locking member (not shown) of the locking mechanism is provided between the side grab bar 1 and the push handle assembly 5. The unfolded foldable frame can be locked by the locking member, and the locking of the foldable frame by the locking member can be released by pressing the unlocking member 17. The structure of the locking mechanism is the prior art and is not described in detail.

The preceding grab bar 6 rotates and is connected with rear wheel support connecting rod 7 and seat pole 8, wherein: the rear wheel support link 7 is rotatably connected to the rear wheel support 4 to connect the front grab bar 6 and the rear wheel support 4. The rear wheel support link 7 is of a structure similar to a V shape, and is rotatably connected to the rear wheel support 4 at a middle position thereof, one end of one of the two sides thereof is rotatably connected to the front grab bar 6, and one end of the other side thereof is rotatably connected to the front wheel support link 10, and the front wheel support link 10 is rotatably connected to the front wheel support 3.

The seat post 8 is rotatably connected with a seat post link 11, and the seat post link 11 is rotatably connected with the rear wheel bracket 4 to connect the seat post 8 with the rear wheel bracket 4. In this embodiment, the seat post 8 includes first rods 81 symmetrically disposed and second rods 82 symmetrically disposed to connect the two first rods 81, wherein the front grab bar 6 and the seat post link 11 are both rotatably connected to the first rods 81. Specifically, the front grab bar 6 is rotatably connected to a rear end of the first rod 81, and the seat bar link 11 is rotatably connected to a front end of the first rod 81.

In this embodiment, both ends of the pedal lever 12 are pivotally connected to one end of the front side of the two first rods 81, and the pedal lever 12, the seat lever link 11, and the front grab bar 6 are pinned to the first rods 81 in different axes. Through the structure setting of different axle pin joint, can ensure the connection stability between above-mentioned each part, can guarantee collapsible frame overall stability simultaneously.

The two ends of the rear stay 9 are rotatably connected to the front grab bar 6 and the push handle assembly 5, respectively, to connect the front grab bar 6 and the push handle assembly 5.

In this embodiment, the front grab bar 6 is pinned with the seat bar 8, the rear wheel support connecting rod 7 and the rear stay bar 9 through different shafts, so that the folding of the whole vehicle is more coherent and does not interfere with each other, and the folding of the whole vehicle has better stability when being unfolded.

Two ends of the front awning rod 13 are respectively and rotatably connected with a side grab bar 1, and two ends of the rear awning rod 14 are fixedly connected with the push handle assembly 5.

When the foldable frame of the embodiment is folded, the locking piece is firstly released from the locking of the whole foldable frame by pressing the unlocking piece 17, and then the pushing handle assembly 5 is pushed forwards, so that the pushing handle assembly 5 drives other components to rotate and is folded to the state shown in fig. 3. Then, the push handle assembly 5 is pressed downwards continuously, and the whole foldable frame is finally folded under the linkage action of all the parts, namely the state shown in fig. 4.

Through the structure, when the foldable frame is folded, the folding of the foldable frame can be realized only by pushing the assembly 5 forwards after the whole frame is unlocked, the one-way folding mode is simple and quick, the folding volume is small, and the foldable frame is suitable for storage in narrow space and is convenient to carry.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The foldable frame is characterized by comprising side grab bars (1) which are symmetrically arranged, wherein two ends of the side grab bars (1) are respectively and fixedly connected with one side grab bar (2), the side grab bars (2) are respectively and rotatably connected with front wheel supports (3) and rear wheel supports (4) of the side grab bars (2), the side grab bars (1) are respectively and rotatably connected with a push handle assembly (5) and a front grab bar (6), the rear wheel support connecting rods (7) and a seat rod (8) of the front grab bar (6), two ends of the side grab bars are respectively and rotatably connected with a front grab bar (6) and a rear supporting rod (9) of the push handle assembly (5), the front wheel support connecting rods (10) are rotatably connected with a rear wheel support connecting rod (7), the front wheel support connecting rods (10) are rotatably connected with the front wheel supports (3), the rear wheel support connecting rods (7) are rotatably connected with the rear wheel supports (4), the seat rod (8) is rotatably connected with a seat rod connecting rod (11), and the seat rod connecting rod (11) is rotatably connected with the rear wheel bracket (4).

2. The foldable frame according to claim 1, further comprising a foot bar (12), wherein both ends of the foot bar (12) are pivotally connected to the seat bar (8).

3. The foldable frame according to claim 2, characterized in that the seat post (8) is pinned off axis with the seat post link (11), the front grab bar (6), and the foot bar (12).

4. The foldable frame according to claim 3, characterized in that the seat bar (8) comprises symmetrically arranged first bars (81) and symmetrically arranged second bars (82) connecting the two first bars (81), the front grab bar (6), the seat bar linkage (11) and the foot bar (12) being all rotatably connected to the first bars (81).

5. The foldable frame according to claim 1, characterized in that the front grab bar (6) is pinned off-axis with the seat bar (8), the rear wheel carrier link (7), the rear stay (9).

6. The foldable frame according to claim 1, further comprising a front canopy rod (13), wherein two ends of the front canopy rod (13) are respectively and rotatably connected with one of the side grab bars (1).

7. The foldable frame according to claim 1, further comprising a rear canopy rod (14), wherein both ends of the rear canopy rod (14) are fixedly connected to the push handle assembly (5).

8. The foldable frame of claim 1, further comprising a locking mechanism, an unlocking member (17) of which is slidably connected to the push handle assembly (5).

9. The foldable frame of claim 1, further comprising a front wheel assembly (15), said front wheel assembly (15) being rotatably connected to said front wheel bracket (3).

10. The foldable frame of claim 1, further comprising a rear wheel assembly (16), said rear wheel assembly (16) being rotatably connected to said rear wheel bracket (4).