1. The utility model provides a folding bassinet of linkage, is including having the frame of expansion state and fold condition, and this frame includes push rod subassembly (1), front support subassembly (2), upper end and push rod subassembly (1) lower extreme rotate rear support subassembly (3) of being connected, front wheel subassembly (4) and install rear wheel subassembly (5) of rear support subassembly (3) below, its characterized in that: a front wheel seat (4-1) of the front wheel assembly (4) is rotatably connected with the lower end of the front support assembly (2); the push rod assembly (1) is connected with the front support assembly (2) in a sliding mode, and the push rod assembly and the front support assembly can stretch out and draw back; the frame of the baby carrier also comprises a bottom support rod (6), a rear support rod (7), a sliding seat (8) which can slide along the rear support component (3), and a locking mechanism which locks the frame in an unfolded state; the front end of the bottom stay bar (6) is relatively fixed with the front wheel seat (4-1), and the rear part of the bottom stay bar (6) is rotatably connected with the sliding seat (8); the upper end of the rear support rod (7) is rotatably connected with the push rod assembly (1), and the lower end of the rear support rod (7) is rotatably connected with the sliding seat (8); the baby carriage realizes folding and folding of the frame by sliding and retracting the push rod assembly (1) and the front support assembly (2) and sliding and moving the sliding seat (8) backwards relative to the rear support assembly (3), and reduces the distance between the front wheel assembly (4) and the rear wheel assembly (5).

2. A linked folding stroller as defined in claim 1, wherein: the sliding direction between the push rod assembly (1) and the front support assembly (2) is consistent with the extending direction of the front support assembly (2) and the extending direction of the push rod assembly (1).

3. A linked folding stroller as defined in claim 1, wherein: the rear part of the bottom stay bar (6), the lower end of the rear stay bar (7) and the sliding seat (8) are coaxially and rotatably connected.

4. A linked folding stroller as defined in claim 3, wherein: the rear part of the bottom stay bar (6) is fixedly provided with a connecting seat (6-1) extending downwards, and the connecting seat is coaxially connected with the lower end of the rear stay bar (7) and the sliding seat (8) through the lower end of the connecting seat (6-1).

5. A linked folding stroller as defined in claim 1, wherein: the front wheel seat (4-1) of the front wheel assembly (4) is rotatably connected with the lower end of the front support assembly (2) through a connecting shaft arranged in the left-right direction, and the front support assembly (2) can be opened and closed relative to the bottom support rod (7).

6. A linked folding stroller as defined in claim 1, wherein: the locking mechanism is arranged between the push rod assembly (1) and the front support assembly (2).

7. A linked folding stroller as defined in claim 1, wherein: the locking mechanism is arranged between the front bracket component (2) and the rear support rod (7).

8. A linked folding stroller as defined in claim 1, wherein: the upper end of the front support component (2) is provided with a socket (2-1) for the seat pocket of the baby carrier to be inserted.

9. A linked folding stroller as defined in claim 1, wherein: the push rod assembly (1) is a telescopic push rod and comprises an outer pipe (1-1) and an inner pipe which are sleeved, and a push rod locking mechanism is arranged between the outer pipe and the inner pipe.

10. A linked folding stroller as defined in claim 1, wherein: the upper end of the inner tube of the push rod component (1) is provided with a push handle (1-2) for holding.

Background

The baby carriage in the prior art comprises a carriage frame with an unfolding position and a folding position, a front wheel assembly arranged at the front part of the bottom of the carriage frame, a rear wheel assembly arranged at the rear part of the bottom of the carriage frame, a locking mechanism used for locking the carriage frame at the unfolding position, and a seat pocket mechanism arranged on the carriage frame and used for people to sit. The frames of the existing baby stroller are various, the number of the rods of the 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 different. However, the structure of the existing baby carriage is generally complex, the number of rod pieces is large, and the folding of the baby carriage is not convenient enough.

Disclosure of Invention

The invention aims to: the linkage folding baby carrier is simple and novel in whole structure, and very convenient to fold and unfold.

The technical scheme of the invention is as follows: the utility model provides a folding bassinet of linkage, is including having the frame of expansion state and fold condition, and this frame includes rear bracket component, front bracket component, the upper end of being connected with the rotation of push rod component lower extreme, front wheel subassembly and installs the rear wheel subassembly in rear bracket component below, its characterized in that: the front wheel seat of the front wheel assembly is rotationally connected with the lower end of the front support assembly; the push rod assembly is connected with the front support assembly in a sliding mode and can stretch out and draw back; the frame of the baby carrier also comprises a bottom support rod, a rear support rod, a sliding seat which can slide along the rear support component and a locking mechanism which locks the frame in an unfolded state; the front end of the bottom brace rod is relatively fixed with the front wheel seat, and the rear part of the bottom brace rod is rotatably connected with the sliding seat; the upper end of the rear support rod is rotatably connected with the push rod assembly, and the lower end of the rear support rod is rotatably connected with the sliding seat; the baby carriage realizes folding and folding of the frame by sliding the push rod assembly and the front support assembly to retract and sliding the sliding seat relative to the rear support assembly to move backwards, and reduces the distance between the front wheel assembly and the rear wheel assembly.

Further, the sliding direction between the push rod assembly and the front support assembly is consistent with the extending direction of the front support assembly and the extending direction of the push rod assembly.

Furthermore, the rear part of the bottom support rod, the lower end of the rear support rod and the sliding seat are coaxially and rotatably connected. The rear part of the bottom stay bar is fixedly provided with a connecting seat extending downwards, and the connecting seat is coaxially connected with the lower end of the rear stay bar and the sliding seat through the lower end of the connecting seat.

Furthermore, the front wheel seat of the front wheel assembly is rotatably connected with the lower end of the front support assembly through a connecting shaft arranged in the left-right direction, and the front support assembly can be opened and closed relative to the bottom support rod.

Further, the locking mechanism is arranged between the push rod assembly and the front support assembly or between the front support assembly and the rear support rod.

Furthermore, the upper end of the front support component is provided with a socket for plugging the seat pocket of the baby carrier, so that the corresponding seat pocket of the baby carrier can be assembled and quickly disassembled.

Further, the push rod assembly is a telescopic push rod and comprises an outer pipe and an inner pipe which are sleeved, and a push rod locking mechanism is arranged between the outer pipe and the inner pipe. And the upper end of the inner tube of the push rod component is provided with a push handle for holding.

The invention has the advantages that: the frame is folded and furled by sliding the push rod assembly and the front support assembly to retract and sliding the sliding seat relative to the rear support assembly to move backwards, and the distance between the front wheel assembly and the rear wheel assembly is reduced; the whole car simple structure, novelty can fold and open the operation by one hand, and the operation is very convenient.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention in use;

FIG. 2 is a schematic side view of the structure of FIG. 1;

FIG. 3 is a schematic diagram of the present invention during folding;

FIG. 4 is a schematic side view of the structure of FIG. 3;

FIG. 5 is a schematic structural view of the present invention in a folded state;

fig. 6 is a side view of fig. 5.

Wherein: 1 a push rod assembly; 1-1 outer tube; 1-2 push handles;

2, a front support component; 2-1 socket;

3, a rear support component;

4, a front wheel assembly; 4-1 front wheel seat;

5, a rear wheel assembly;

6 bottom brace rods; 6-1 connecting seat;

7, a rear support rod;

8 sliding seats.

Detailed Description

The above-described scheme is further illustrated below with reference to specific examples. It should be understood that these examples are for illustrative purposes and are not intended to limit the scope of the present invention. The conditions used in the examples may be further adjusted according to specific conditions, and the conditions used in the experiments are not specifically mentioned.

As shown in fig. 1 to 6, a linkage folding stroller includes a frame having an unfolded state and a folded state, and includes a push rod assembly 1, a front frame assembly 2, a rear frame assembly 3 having an upper end rotatably connected to a lower end of the push rod assembly 1, a front wheel assembly 4, a rear wheel assembly 5 installed below the rear frame assembly 3, a bottom support bar 6, a rear support bar 7, a sliding seat 8 slidable along the rear frame assembly 3, and a locking mechanism for locking the frame in the unfolded state. A front wheel seat 4-1 of the front wheel assembly 4 is rotatably connected with the lower end of the front support assembly 2; the push rod assembly 1 is connected with the front support assembly 2 in a sliding mode, and the push rod assembly and the front support assembly can stretch out and draw back; the front end of the bottom brace 6 is relatively fixed with the front wheel seat 4-1, and the rear part of the bottom brace 6 is rotatably connected with the sliding seat 8; the upper end of the rear support rod 7 is rotatably connected with the push rod assembly 1, and the lower end of the rear support rod 7 is rotatably connected with the sliding seat 8.

In this embodiment, the sliding direction between the push rod assembly 1 and the front support assembly 2 is the same as the extending direction of the front support assembly 2 and the extending direction of the push rod assembly 1. In the drawing of the embodiment, the push rod assembly 1 and the front support assembly 2 are in the same plane, and the design is convenient for realizing sliding and extension of the push rod assembly and the front support assembly, greatly simplifies the component structure, and can further reduce the folded volume of the frame.

In this embodiment, the rear portion of the bottom brace 6, the lower end of the rear brace 7 and the sliding seat 8 are coaxially and rotatably connected. In the figure of the embodiment, the rear portion of the bottom brace 6 is fixedly provided with a connecting seat 6-1 extending downward, and the connecting seat is coaxially connected with the lower end of the rear brace 7 and the sliding seat 8 through the lower end of the connecting seat 6-1. The design can play a better linkage role in the folding process of the frame.

In this embodiment, the rotation axis between the rear support assembly 3 and the push rod assembly 1, the rotation axis between the front wheel seat 4-1 of the front wheel assembly 4 and the front support assembly 2, the rotation axis between the rear portion of the bottom support rod 6, the lower end of the rear support rod 7, and the sliding seat 8, and the rotation axis between the rear support rod 7 and the push rod assembly are all arranged in a left-right extending manner, so that the frame can be folded up and down.

In this embodiment, the sliding seat 8 is preferably of a sleeve structure, and the sliding sleeve of the sliding seat is sleeved on the branch pipe of the rear bracket assembly 3.

In this embodiment, the locking mechanism is disposed between the push rod assembly 1 and the front bracket assembly 2 or between the front bracket assembly 2 and the rear stay 7. Since the locking mechanism is a common mechanism in the art and has various structural types, no specific limitation and description are provided herein.

In this embodiment, the upper end of the front support assembly 2 is provided with a socket 2-1 for plugging a seat pocket of a baby carriage, so that the corresponding seat pocket of the baby carriage can be assembled and quickly disassembled.

In this embodiment, the push rod assembly 1 is preferably a telescopic push rod, and includes an outer tube 1-1 and an inner tube, which are sleeved together, and a push rod locking mechanism is disposed between the outer tube and the inner tube. The push rod locking mechanism is preferably a multi-gear locking mechanism or a stepless locking mechanism, so that the length of the push rod assembly can be adjusted according to the height of a walker, and the using requirements of different people can be met. Since the push rod locking mechanism is a common mechanism in the art and has various structural types, no specific limitation and description are provided herein. In order to facilitate pushing and single-hand operation, the upper end of the inner tube of the push rod component 1 is provided with a push handle 1-2 for holding.

In this embodiment, the upper end of the rear support assembly 3 and the upper end of the rear support rod 7 are respectively connected with the outer tube 1-1 in a rotating manner, the rotating point of the rear support rod 7 and the outer tube 1-1 is located above and behind the rotating point of the rear support assembly 3 and the outer tube 1-1, and the push rod assembly 1 is also connected with the front support assembly 2 through the outer tube 1-1 in a sliding manner.

The working principle of the invention is as follows:

when the frame is in an unfolded state, the lower end of the push rod assembly 1 is positioned at the high position (upper end) of the front support assembly 2, and the push rod assembly 1 and the front support assembly 2 are obliquely arranged in a manner that the front part is low and the rear part is high; the rear support component 3 is obliquely arranged with a high front part and a low rear part; at the moment, the sliding seat 8 is positioned in the middle of the rear support component 3, the rear support rod 7 is supported between the push rod component 1 and the sliding seat 8, and the bottom support rod 6 is supported at the lower part of the frame in a low-front and high-rear inclined manner.

When the frame needs to be folded, the locking of the locking mechanism is released, the push rod assembly 1 is pushed forwards, and the push rod assembly 1 is matched with the front support assembly 2 in a sliding mode and is retracted; meanwhile, under the linkage action of the rear support rod 7, the sliding seat 8 slides backwards along the rear support component 3 and drives the rear part of the bottom support rod 6 to rotate downwards until the push rod component 1, the rear support rod 7, the bottom support rod 6 and the rear support component 3 are completely folded above the front wheel component 4 and the rear wheel component 5, and at the moment, the frame is folded. Meanwhile, the rotating part of the rear support component 3 and the push rod component 1 moves forwards along with the sliding of the push rod component 1, so that the distance between the front wheel component 4 and the rear wheel component 5 is reduced.

The frame can be folded and furled by sliding and furling the push rod assembly 1 and the front support assembly 2 and sliding and moving the sliding seat 8 backwards relative to the rear support assembly 3; the whole car simple structure, novelty, and the operation can be folded and opened to the one hand, and the operation is very convenient.

The above is only a specific application example of the present invention, and the protection scope of the present invention is not limited in any way. In addition to the above embodiments, the present invention may have other embodiments. All technical solutions formed by using equivalent substitutions or equivalent transformations fall within the scope of the present invention.