CN212243514U

CN212243514U - Seat subassembly and folding children's shallow

Info

Publication number: CN212243514U
Application number: CN202020442056.3U
Authority: CN
Inventors: 朱石磊
Original assignee: Goodbaby Child Products Co Ltd
Current assignee: Goodbaby Child Products Co Ltd
Priority date: 2020-03-31
Filing date: 2020-03-31
Publication date: 2020-12-29
Anticipated expiration: 2030-03-31

Abstract

The utility model discloses a seat subassembly and folding children's shallow, seat subassembly include the seat, rotate the back frame of being connected with the seat, both ends respectively with seat and back frame rotation and be connected and self can follow the fore-and-aft direction extension and the actuating mechanism who shortens, at the in-process of actuating mechanism extension, the back frame becomes the contained angle with the seat and diminishes, at the in-process that actuating mechanism shortens, the back frame becomes the contained angle grow with the seat. This seat subassembly and folding children's shallow realizes the position relation transform between back and the seat through actuating mechanism, need not manually operation, and is more laborsaving to under actuating mechanism's effect, can reach arbitrary rotation angle position between back and the seat, saved the locking mechanical system between back and the seat simultaneously, make the structure simpler.

Description

Seat subassembly and folding children's shallow

Technical Field

The utility model relates to a seat subassembly and folding children's shallow.

Background

The folding stroller comprises a frame and a seat assembly connected to the frame, the seat assembly comprising a seat and a backrest, wherein the seat is connected to the frame. Typically, the backrest is pivotally connected to the seat so that the backrest can be opened and closed relative to the seat, and the seat assembly can be folded together with the frame to reduce the overall volume of the folded vehicle. In addition, through the rotation connection between back and the seat, still make the seat subassembly can carry out back angle modulation when normal use to make children take more comfortable, when the angle is big enough between back and the seat, children can also lie in the seat subassembly. However, the prior art structure has the following disadvantages: 1. the backrest needs to be manually operated and rotated when the backrest angle is folded and adjusted; 2. a locking mechanism needs to be arranged between the backrest and the seat to lock the position relationship between the backrest and the seat, and the locking mechanism has a complex structure, so that the manufacturing difficulty and the cost are increased; 3. the locking mechanism can only lock the backrest and the seat at a plurality of relatively fixed positions, and the backrest and the seat can only be switched between a plurality of fixed angular position relations, so that the arrangement of any angle can not be realized.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems, an object of the present invention is to provide a seat assembly and a foldable stroller.

In order to achieve the above purpose, the utility model discloses a technical scheme is: the seat assembly comprises a seat, a backrest frame rotationally connected with the seat, and a driving mechanism, wherein two ends of the driving mechanism are rotationally connected with the seat and the backrest frame respectively, and the driving mechanism can extend and shorten along the front and back directions.

Further, the seat assembly has at least a folded state and an open state, the back frame being opened with respect to the seat when the seat assembly is in the open state, and the back frame being closed with respect to the seat when the seat assembly is in the folded state.

Furthermore, the driving mechanism is arranged below the seat, the front end part of the driving mechanism is rotatably connected with the front part of the seat, and the rear end part of the driving mechanism is rotatably connected with the lower end part of the backrest frame.

Furthermore, the backrest frame comprises a backrest rod which is rotationally connected with the rear part of the seat, and a backrest connecting rod of which the lower end part is rotationally connected with the rear end part of the driving mechanism, the backrest rod is fixedly connected with the backrest connecting rod, and the joint of the backrest connecting rod and the driving mechanism is positioned below the joint of the backrest rod and the seat.

Furthermore, the backrest rod is U-shaped and has two end parts located at the lower side of the backrest frame and a middle part located at the upper side of the backrest frame, the two end parts of the backrest rod are respectively and rotatably connected to the left and right sides of the rear part of the seat, and the upper end part of the backrest connecting rod is fixedly connected with the middle part of the backrest rod.

Furthermore, the backrest frame also comprises a transverse connecting rod, the left end and the right end of the transverse connecting rod are respectively and fixedly connected with the left side and the right side of the backrest rod, and the middle part of the transverse connecting rod is fixedly connected with the backrest connecting rod.

Furthermore, the driving mechanism is an air cylinder, the air cylinder comprises a cylinder body and a piston rod which are in sliding connection, the cylinder body is rotationally connected with the backrest frame, and the piston rod is rotationally connected with the seat.

Furthermore, the driving mechanism is a cylinder, the cylinder comprises a cylinder body and a piston rod which are connected in a sliding mode, the cylinder body is connected with the backrest connecting rod in a rotating mode, and the piston rod is connected with the seat in a rotating mode.

Further, the seat includes a seat plate, and a pair of side guards extending upward from both left and right sides of the seat plate, respectively.

The utility model also provides another kind of technical scheme: a foldable stroller comprising a seat assembly as defined above and a frame which can be unfolded and folded, said seat assembly being connected to the frame, the foldable stroller having an open position and a folded position, the frame and the seat assembly being in their respective open positions when the foldable stroller is in the open position, and the frame and the seat assembly being in their respective folded positions when the foldable stroller is in the folded position.

Furthermore, interfaces are arranged on the left side and the right side of the frame, and joints detachably connected with the interfaces are arranged on the left side and the right side of the seat.

By adopting the technical scheme, the seat assembly and the folding stroller realize the position relation change between the backrest and the seat through the driving mechanism, do not need manual operation, are more labor-saving, can reach any rotation angle position between the backrest and the seat under the action of the driving mechanism, simultaneously save the locking mechanism between the backrest and the seat, and have simpler structure.

Drawings

FIG. 1 is a schematic perspective view of a seat assembly according to an embodiment of the present invention;

FIG. 2 is a perspective view of an alternate perspective of the seat assembly of the embodiment of FIG. 1;

FIG. 3 is a side elevational view of the seat assembly of the embodiment of FIG. 1 in an open position;

FIG. 4 is another side elevational schematic view of the seat assembly of the embodiment of FIG. 1, shown in a reclined position;

fig. 5 is a schematic side elevational view of the seat assembly of the embodiment of fig. 1 in a folded configuration.

The reference numbers in the figures are:

1. a seat; 11. a seat plate; 12. a side dam; 13. a connecting member;

2. a backrest frame; 21. a back rest rod; 22. a backrest connecting rod; 23. a transverse connecting rod;

3. a drive mechanism; 31. a cylinder body; 32. a piston rod;

4. a joint;

5. a handrail.

Detailed Description

The following detailed description of the preferred embodiments of the invention, taken in conjunction with the accompanying drawings, enables those skilled in the art to more readily understand the advantages and features of the invention.

As can be seen from the schematic structural diagrams of fig. 1 to 5, the seat assembly of the present embodiment includes a seat 1, a backrest frame 2 rotatably connected to the seat 1, and a driving mechanism 3 having two ends rotatably connected to the seat 1 and the backrest frame 2, respectively, and being capable of extending and shortening in the front-rear direction, wherein an included angle formed between the backrest frame 2 and the seat 1 is decreased during the extension of the driving mechanism 3, and an included angle formed between the backrest frame 2 and the seat 1 is increased during the shortening of the driving mechanism 3. The terms "front and rear" and "left and right" as will be referred to hereinafter are defined in accordance with the normal usage of the seat assembly, wherein a child sits with the child facing forward and the child backing rearward, with the child's left hand side being left and right hand side being right, during normal use of the seat assembly.

Specifically, the drive mechanism 3 is disposed below the seat 1, a front end portion of the drive mechanism 3 is rotatably connected to a front portion of the seat 1, and a rear end portion of the drive mechanism 3 is rotatably connected to a lower end portion of the back frame 2. More specifically, the drive mechanism 3 is a cylinder including a cylinder body 31 and a piston rod 32, the piston rod 32 being slidably inserted into the cylinder body 31 from a front end thereof, a rear end of the cylinder body 31 being rotatably connected to the back frame 2, and a front end of the piston rod 32 being rotatably connected to the seat 1.

The backrest frame 2 in this embodiment includes a backrest rod 21 rotatably connected to the rear portion of the seat 1, and a backrest link 22 having a lower end rotatably connected to the rear end of the driving mechanism 3, the backrest rod 21 is fixedly connected to the backrest link 22, the connection point of the backrest link 22 and the driving mechanism 3 is located below the connection point of the backrest rod 21 and the seat 1, and specifically, the rear end of the cylinder 31 is rotatably connected to the lower end of the backrest link 22. More specifically, the back lever 21 has a U-shape having both end portions on a lower side of the back frame 2 and a middle portion on an upper side of the back frame 2, the both end portions of the back lever 21 are rotatably connected to left and right sides of a rear portion of the seat 1, respectively, and an upper end portion of the back link 22 is fixedly connected to the middle portion of the back lever 21. Preferably, the backrest frame 2 further comprises a cross link 23, the left and right ends of the cross link 23 are respectively fixedly connected to the left and right sides of the backrest rod 21, the middle part of the cross link 23 is fixedly connected with the backrest link 22, and the cross link 23 plays a role in reinforcement.

The seat 1 includes a seat plate 11, and a pair of side guards 12 extending upward from both left and right sides of the seat plate 11, respectively. In this embodiment, both ends of the back lever 21 are connected to the left and right side fences 12, respectively. A downwardly protruding link 13 is provided under the front portion of the seat plate 11, and the front end of the driving mechanism 3 is rotatably connected to the link 13. Preferably, a handrail 5 is further connected between the pair of side guards 12, and the handrail 5 is U-shaped.

The seat assembly has a folded state and an unfolded state, and when the seat assembly is in the unfolded state, as shown in fig. 3, the driving mechanism 3 is in a relatively shortened state, the backrest frame 2 is opened relative to the seat 1, and a child can sit in the seat assembly in a sitting posture; when the seat assembly is in the folded condition, as shown in fig. 5, the drive mechanism 3 is in a relatively extended condition and the back frame 2 is drawn toward the seat 1. More preferably, in the seat assembly, based on the opened state, the driving mechanism 3 is further extended or shortened to rotate the back frame 2 backward or forward, and the back frame 2 is adjusted to a proper angle position according to the need of the child. When the back frame 2 is rotated backward to a sufficiently large angle, the child can lie in the seat assembly, and fig. 4 shows an angle suitable for the lying posture, but is not limited to the angle.

The present embodiment also provides a folding stroller comprising a frame that can be opened and folded, the seat assembly being attached to the frame. Specifically, the left and right sides of the frame are provided with interfaces, the left and right sides of the seat 1 are provided with joints 4 detachably connected to the interfaces, and the joints 4 are provided on the side guards 4. The specific structure of the frame is not limited herein.

The folding stroller has an open state and a folded state, and when the folding stroller is in the open state, the frame and the seat assembly are in the respective open states, and preferably, when the folding stroller is in the open state, the seat assembly can adjust the opening angle of the backrest frame 2 and the seat 1. When the folding stroller is in the folded position, the frame and the seat assembly are in their respective folded positions.

The seat assembly and the folding stroller in the embodiment realize the position relation change between the backrest and the seat through the driving mechanism, do not need manual operation, save more labor, can achieve any rotation angle position between the backrest and the seat under the action of the driving mechanism, simultaneously save a locking mechanism between the backrest and the seat, and have simpler structure.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot 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 by the protection scope of the present invention.

Claims

1. A seat assembly, characterized by: it includes seat (1), with seat (1) rotate back frame (2), both ends of connecting respectively with seat (1) with back frame (2) rotate to be connected and self can be followed fore-and-aft direction extension and shortened actuating mechanism (3) the in-process of actuating mechanism (3) extension, back frame (2) with the contained angle that seat (1) becomes diminishes actuating mechanism (3) shortens in-process, back frame (2) with the contained angle grow that seat (1) becomes.

2. The seat assembly of claim 1, wherein: the seat assembly at least has a folded state and an opened state, when the seat assembly is in the opened state, the backrest frame (2) is opened relative to the seat (1), and when the seat assembly is in the folded state, the backrest frame (2) is closed relative to the seat (1).

3. The seat assembly of claim 1, wherein: the driving mechanism (3) is arranged below the seat (1), the front end part of the driving mechanism (3) is rotatably connected with the front part of the seat (1), and the rear end part of the driving mechanism (3) is rotatably connected with the lower end part of the backrest frame (2).

4. The seat assembly of claim 1, wherein: the backrest frame (2) comprises a backrest rod (21) rotatably connected with the rear part of the seat (1), a lower end part and a backrest connecting rod (22) rotatably connected with the rear end part of the driving mechanism (3), the backrest rod (21) is fixedly connected with the backrest connecting rod (22), and the joint of the backrest connecting rod (22) and the driving mechanism (3) is located below the joint of the backrest rod (21) and the seat (1).

5. The seat assembly of claim 4, wherein: the backrest rod (21) is U-shaped and provided with two end parts positioned on the lower side of the backrest frame (2) and a middle part positioned on the upper side of the backrest frame (2), the two end parts of the backrest rod (21) are respectively and rotatably connected to the left side and the right side of the rear part of the seat (1), and the upper end part of the backrest connecting rod (22) is fixedly connected with the middle part of the backrest rod (21).

6. The seat assembly of claim 5, wherein: the backrest frame (2) further comprises a transverse connecting rod (23), the left end and the right end of the transverse connecting rod (23) are respectively and fixedly connected with the left side and the right side of the backrest rod (21), and the middle of the transverse connecting rod (23) is fixedly connected with the backrest connecting rod (22).

7. The seat assembly of claim 1, wherein: the driving mechanism (3) is an air cylinder, the air cylinder comprises a cylinder body (31) and a piston rod (32) which are connected in a sliding mode, the cylinder body (31) is connected with the backrest frame (2) in a rotating mode, and the piston rod (32) is connected with the seat (1) in a rotating mode.

8. The seat assembly of claim 4, wherein: the driving mechanism (3) is an air cylinder which comprises a cylinder body (31) and a piston rod (32) which are in sliding connection, the cylinder body (31) is rotationally connected with the backrest connecting rod (22), and the piston rod (32) is rotationally connected with the seat (1).

9. The seat assembly of claim 1, wherein: the seat (1) comprises a seat board (11) and a pair of side baffles (12) which respectively extend upwards from the left side and the right side of the seat board (11).

10. A folding children's shallow which characterized in that: comprising a seat assembly as claimed in any one of claims 1 to 9, the foldable stroller further comprising a frame that is capable of being opened and folded, the seat assembly being connected to the frame, the foldable stroller having an open position and a folded position, the frame and the seat assembly both being in their respective open positions when the foldable stroller is in the open position, and the frame and the seat assembly both being in their respective folded positions when the foldable stroller is in the folded position.