Carrier

Abstract

The invention belongs to the technical field of children tools, and particularly relates to a carrier. The carrier comprises a frame, a seat frame and a driving mechanism, and the seat frame is movably connected with the frame; the driving mechanism is movably connected with the frame and the seat frame and used for driving the seat frame to be switched between the unfolded state and the folded state, when the seat frame is in the unfolded state, the driving mechanism is supported between the seat frame and the frame, and when the seat frame is in the folded state, the driving mechanism drives the seat frame to be drawn close to the frame to be folded. According to the carrier, the seat frame has the unfolding state and the folding state, the driving mechanism can drive the seat frame to be automatically unfolded or folded, manual folding or unfolding of the seat frame is replaced, operation is easy, and a user can conveniently use the carrier; when the seat frame is unfolded, the seat frame is supported by the driving mechanism, and it is guaranteed that the seat frame can bear a child; the driving mechanism provided by the invention has various functions of supporting the seat frame and driving the seat frame to automatically fold or unfold.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of children's appliances, and particularly relates to a carrier. BACKGROUND

[0002] A child stroller can be used for a baby to ride or temporarily rest. By placing the baby on the child stroller, a guardian can walk around with the child stroller, which greatly reduces physical expenditure. Therefore, the child stroller is almost an essential appliance in every family with a baby.

[0003] In order to facilitate carrying and save storage space when not in use, the frame of part of the child strollers is arranged in a folding type. By folding the frame, the overall volume and the occupied space of the child stroller can be reduced, thereby facilitating carrying or storage. However, the folding of the child stroller seat in the prior art relies on manual operation, which is time-consuming and laborious and the folding operation is relatively troublesome. SUMMARY

[0004] The present application aims to provide a carrier, which solves the problem that the folding of the child stroller seat in the prior art relies on manual operation, which is time-consuming and laborious and the folding operation is relatively troublesome.

[0005] To achieve the above-mentioned purpose, the present application adopts the following technical solutions:

[0006] A carrier comprises:

[0007] a frame;

[0008] a seat frame movably connected with the frame;

[0009] a driving mechanism movably connected with the frame and the seat frame, used for driving the seat frame to change between an unfolded state and a folded state, wherein the driving mechanism is supported between the seat frame and the frame when the seat frame is in the unfolded state, and the driving mechanism drives the seat frame to fold towards the frame when the seat frame is in the folded state.

[0010] As an optional technical solution of the above-mentioned carrier, the driving mechanism comprises a transmission rod and a driving member for driving the transmission rod to move, the driving member is rotatably installed on the frame and can drive the transmission rod to rotate towards the frame.

[0011] The transmission rod is rotatably connected with the seat frame and drives the seat frame to fold towards the frame when the transmission rod folds towards the frame.

[0012] As an optional technical solution of the above carrier, the driving member comprises a driving motor, the transmission rod member comprises a screw rod arranged on the driving motor and a screw nut threadedly matched with the screw rod, and the screw nut is rotationally arranged on the support rod;

[0013] The seat frame has a frame body rotationally arranged on the vehicle frame and a support rod arranged on the frame body, and the frame body is rotationally arranged on the vehicle frame along a first rotation axis extending in the left-right direction.

[0014] The support rod extends in the left-right direction, and the screw nut is rotationally arranged on the support rod; the screw rod extends in a direction perpendicular to the support rod; and the screw rod drives the frame body to rotate towards the vehicle frame.

[0015] As an optional technical solution of the above carrier, the seat frame further has a seat plate arranged on the frame body, and the transmission rod member is arranged in cooperation with the seat plate so that when the transmission rod member drives the frame body to fold towards the vehicle frame, the transmission rod member drives the seat plate to fold towards the frame body.

[0016] The seat plate is rotationally arranged on the frame body, and an end of the screw nut away from the screw rod is rotationally connected with the frame body.

[0017] As an optional technical solution of the above carrier, the screw nut comprises a nut member threadedly matched with the screw rod and a nut support pipe, the nut member is fixedly arranged on the nut support pipe, and the nut support pipe is rotationally arranged on the support rod; an end of the nut support pipe away from the screw rod is rotationally connected with the seat plate.

[0018] As an optional technical solution of the above carrier, the nut support pipe is rotationally arranged on the seat plate along a support pipe rotation axis, the frame body is slidingly connected with the seat plate, and the seat plate is rotationally connected with the frame body along a frame body rotation axis; the support pipe rotation axis is arranged at a position close to the front end of the seat plate, and the frame body rotation axis is arranged at a position close to the rear end of the seat plate.

[0019] As an optional technical solution of the above carrier, the frame body comprises a pair of seat rods pivotally connected with the vehicle frame, and the support rod is arranged between the pair of seat rods and is rotationally connected with the seat rods; in the unfolded state, the seat rods, the vehicle frame and the transmission rod member form a triangular structure.

[0020] As an optional technical solution of the above carrier, the vehicle frame has a pair of side frames arranged opposite to each other and a transverse support beam connected between the pair of side frames, the driving member is fixed on the transverse support beam, and the transverse support beam is rotationally connected with the side frames.

[0021] The transverse support beams are arranged opposite to each other at positions close to the rear side of the vehicle frame.

[0022] As an optional technical solution of the above-mentioned carrier, the side frame comprises a first support and a second support connected in rotation, and the seat frame is rotatably installed on the first support, and in the folded state, the seat frame is folded towards the first support.

[0023] As an optional technical solution of the above-mentioned carrier, the carrier is a baby carriage, and the carrier further has a push handle arranged on the vehicle frame, and the push handle is foldable towards the vehicle frame.

[0024] The present application has the following beneficial effects:

[0025] The carrier provided by the present application has a seat frame with an unfolded state and a folded state, and a driving mechanism can drive the seat frame to automatically unfold or fold, thereby replacing manual folding or unfolding of the seat frame, and the operation is simple and convenient for users to use; when the seat frame is unfolded, the seat frame is supported by the driving mechanism, so that the seat frame can bear children; the driving mechanism provided by the present application plays multiple roles of supporting the seat frame and driving the seat frame to automatically fold or unfold. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 is a side view of the carrier provided by the embodiment of the present application;

[0027] Figure 2 is an axonometric view of the carrier provided by the embodiment of the present application from one perspective;

[0028] Figure 3 is an axonometric view of the carrier provided by the embodiment of the present application from another perspective;

[0029] Figure 4 is an axonometric view of the carrier provided by the embodiment of the present application from another perspective;

[0030] Figure 5 is a side view of the carrier provided by the embodiment of the present application, in which the backrest and the push handle are folded;

[0031] Figure 6 is an axonometric view of the carrier provided by the embodiment of the present application, in which the backrest and the push handle are folded;

[0032] Figure 7 is a side view of the carrier provided by the embodiment of the present application, in which the seat frame is in an intermediate state of folding;

[0033] Figure 8 is an axonometric view of the carrier provided by the embodiment of the present application, in which the seat frame is in an intermediate state of folding;

[0034] Figure 9Figure 1 is a side view of a carrier according to an embodiment of the present application;

[0035] Figure 10 Figure 2 is an axial view of the carrier according to an embodiment of the present application.

[0036] Figure 1 is a side view of a carrier according to an embodiment of the present application;

[0037] 1, frame; 2, seat frame; 3, driving mechanism; 4, first wheel set; 5, second wheel set; 6, backrest; 7, handle; 8, linkage mechanism;

[0038] 11, side frame; 111, first support; 112, second support; 12, transverse support beam;

[0039] 21, frame body; 211, seat rod; 22, support rod; 23, seat plate;

[0040] 31, transmission rod; 32, driving member;

[0041] 311, screw rod; 312, screw rod nut; 3121, nut member; 3122, nut support pipe;

[0042] 81, connecting rod;

[0043] m1, first rotation axis; m3, support pipe rotation axis; m4, frame body rotation axis. DETAILED DESCRIPTION

[0044] The present application will be further described below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are intended to be illustrative only and not limiting of the present application. In addition, it should be noted that in the drawings only the parts relevant to the present application are shown and not all the parts.

[0045] In the description of the present application, unless otherwise explicitly specified and limited, the terms "connected", "connected", "fixed" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0046] In the present application, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature can include that the first and second features are in direct contact, or can include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the first feature "on", "above" and "over" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the first feature is higher in horizontal height than the second feature. The first feature "under", "below" and "underneath" the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the first feature is lower in horizontal height than the second feature.

[0047] In the description of the present embodiment, the terms "upper", "lower", "right", "left", and other orientation or position relationships are based on the orientation or position relationships shown in the drawings, and are only for the convenience of description and simplification of operation, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0048] As shown in Figure 1 and Figure 2 , the present embodiment provides a carrier, which includes a frame 1, a seat frame 2 and a driving mechanism 3. The seat frame 2 is movably connected with the frame 1, and the driving mechanism 3 is movably connected with the frame 1 and the seat frame 2 respectively, and the driving mechanism 3 is used to drive the seat frame 2 to change between an unfolded state and a folded state. When the seat frame 2 is in the unfolded state, the driving mechanism 3 is supported between the seat frame 2 and the frame 1, and when the seat frame 2 is in the folded state, the driving mechanism 3 drives the seat frame 2 to fold towards the frame 1. The driving mechanism 3 can drive the seat frame 2 to automatically unfold or fold, replacing manual folding or unfolding of the seat frame 2, which is simple to operate and convenient for users to use; when the seat frame 2 is unfolded, the seat frame 2 is supported by the driving mechanism 3, ensuring that the seat frame 2 can carry a child; the driving mechanism 3 provided in the present embodiment plays multiple roles of supporting the seat frame 2 and driving the seat frame 2 to automatically fold or unfold.

[0049] As shown in Figure 2 , Figure 3 and Figure 4 , in some embodiments, the driving mechanism 3 includes a transmission rod 31 and a driving member 32 that drives the transmission rod 31 to move, the driving member 32 is rotatably installed on the frame 1 and can drive the transmission rod 31 to rotate towards the frame 1, so that the transmission rod 31 can be folded by rotation. The transmission rod 31 is in rotational cooperation with the seat frame 2 and drives the seat frame 2 to fold towards the frame 1 when the transmission rod 31 folds towards the frame 1, achieving automatic folding of the seat frame 2, and the structure of the driving mechanism 3 is simple, facilitating storage or unfolding of the carrier.

[0050] Optionally, the driving member 32 comprises a driving motor, the transmission rod member 31 comprises a screw rod 311 arranged on the driving motor and a screw rod nut 312 threadedly matched with the screw rod 311, and the screw rod nut 312 is rotationally arranged on the seat frame 2. In other embodiments, the screw rod nut 312 can be slidingly connected with the seat frame 2. In the specific implementation, the driving motor is started, the driving motor drives the screw rod 311 to rotate, the screw rod nut 312 moves along the axial direction of the screw rod 311, in the moving process, the screw rod 311 drives the driving motor to rotate relative to the vehicle frame 1, the screw rod nut 312 rotates relative to the seat frame 2, and drives the seat frame 2 to approach the vehicle frame 1 to be folded, so that the carrier is folded in the first direction, and the size of the carrier in the first direction is reduced.

[0051] The seat frame 2 has a frame body 21 rotationally arranged on the vehicle frame 1 and a support rod 22 arranged on the frame body 21. The frame body 21 is rotationally arranged on the vehicle frame 1 about a first rotation axis m1 extending in the left-right direction. The transmission rod member 31 is rotationally matched with the frame body 21 and drives the frame body 21 to approach the vehicle frame 1 to be folded when the transmission rod member 31 approaches the vehicle frame 1 to be folded. In other embodiments, the frame body 21 is slidingly connected with the vehicle frame 1. The support rod 22 extends in the left-right direction, the screw rod nut 312 is rotationally arranged on the support rod 22, and the screw rod 311 extends in a direction perpendicular to the support rod 22. The screw rod 311 drives the frame body 21 to rotate in a direction approaching the vehicle frame 1. In other embodiments, the screw rod nut 312 is slidingly connected with the support rod 22. In the specific implementation, the driving motor is started, the driving motor drives the screw rod 311 to rotate, the screw rod nut 312 moves along the axial direction of the screw rod 311, in the moving process, the screw rod 311 drives the driving motor to rotate relative to the vehicle frame 1, the screw rod nut 312 rotates relative to the support rod 22, and drives the frame body 21 to approach the vehicle frame 1 to be folded, so that the carrier is folded in the first direction, and the size of the carrier in the first direction is reduced.

[0052] In some embodiments, the seat frame 2 further has a seat plate 23 arranged on the frame body 21. The transmission rod member 31 is arranged in cooperation with the seat plate 23 to drive the seat plate 23 to approach the frame body 21 to be folded when the transmission rod member 31 drives the frame body 21 to approach the vehicle frame 1 to be folded, so as to further reduce the size of the carrier in the first direction. The screw rod nut 312 of the transmission rod member 31 is rotationally or slidingly connected with the seat plate 23, and can be arranged according to other connection structures.

[0053] The seat plate 23 is rotationally arranged on the frame body 21, and the end of the screw rod nut 312 away from the screw rod 311 is rotationally connected with the frame body 21, so that the screw rod nut 312 supports the seat plate 23 at the same time as the frame body 21 when the carrier is unfolded, and ensures that the seat plate 23 can bear the child.

[0054] Optionally, the screw rod nut 312 comprises a nut member 3121 threadedly engaged with the screw rod 311 and a nut support tube 3122, the nut member 3121 is fixedly arranged on the nut support tube 3122, the nut support tube 3122 is rotatably arranged on the support rod 22, and an end of the nut support tube 3122 away from the screw rod 311 is rotatably connected with the seat plate 23. The screw rod 311 is threadedly connected with the nut member 3121, and when the nut member 3121 moves along the axial direction of the screw rod 311, the screw rod 311 can be arranged in the nut support tube 3122, and the nut support tube 3122 can play a role of avoiding and guiding the screw rod 311.

[0055] Optionally, the nut support tube 3122 is rotatably arranged on the seat plate 23 about a support tube rotation axis m3, the frame body 21 is slidably connected with the seat plate 23, and the seat plate 23 is rotatably connected with the frame body 21 about a frame body rotation axis m4, the support tube rotation axis m3 is relatively arranged at a position close to the front end of the seat plate 23, and the frame body rotation axis m4 is relatively arranged at a position close to the rear end of the seat plate 23. When the seat plate 23 is folded in the first direction, the seat plate 23 moves to the rear end, and in the folded state of the carrier, the seat plate 23 is arranged close to the rear end, and the position of the front end of the seat plate 23 provides space for accommodating other components.

[0056] The frame body 21 described above comprises a pair of seat rods 211 pivotally connected with the vehicle frame 1, the support rod 22 is arranged between the pair of seat rods 211 and is rotatably connected with the seat rods 211, in the unfolded state, the seat rods 211, the vehicle frame 1 and the transmission rod member 31 form a triangular structure, which plays a role of stably supporting the seat frame 2 and ensures that the seat frame 2 can stably bear the child.

[0057] In some embodiments, the vehicle frame 1 has a pair of side frames 11 relatively arranged and a transverse support beam 12 connected between the pair of side frames 11, the driving member 32 is fixed on the transverse support beam 12, and the transverse support beam 12 is rotatably connected with the side frames 11. The frame body 21 is rotatably connected with the side frames 11. Further, one end of the two side frames 11 is rotatably connected with two ends of the transverse support beam 12, and the other end of the two side frames 11 is connected with a cross beam which is an integral structure with the two side frames 11 and forms a U-shaped structure. Optionally, the transverse support beam 12 is relatively arranged at a position close to the rear side of the vehicle frame 1.

[0058] The carrier further comprises a first wheel set 4 and a second wheel set 5, the first wheel set 4 and the second wheel set 5 are arranged on the side frames 11 and are spaced apart along a second direction, the first wheel set 4 is connected with the side frames 11, and when the driving mechanism 3 drives the seat frame 2 to fold towards the vehicle frame 1, the seat frame 2 drives the first wheel set 4 to fold along the second direction towards the second wheel set 5. When the driving mechanism 3 drives the seat frame 2 to unfold, the seat frame 2 drives the first wheel set 4 to unfold away from the second wheel set 5 along the second direction.

[0059] The second wheel set 5 is arranged at the front in the second direction, and the first wheel set 4 is arranged at the rear. The second wheel set 5 includes two second wheels, and the two second wheels are respectively connected with the front ends of the two side frames 11. The second wheels can be universal wheels, which facilitate the turning of the carrier.

[0060] The side frame 11 includes a first support 111 and a second support 112 which are rotationally connected. The seat frame 2 is rotationally connected with the first support 111, and in the folded state, the seat frame 2 is folded towards the first support 111. The second support 112 is rotationally connected with the first support 111, and the first wheel set 4 is fixedly connected with the second support 112. The second support 112 and the seat frame 2 are further connected with a linkage mechanism 8. In the folded state, the seat frame 2 drives the second support 112 to fold towards the first support 111 through the linkage mechanism 8, and in turn drives the first wheel set 4 to fold towards one side of the second wheel set 5, thereby reducing the folding size of the carrier in the second direction.

[0061] The linkage mechanism 8 includes two connecting rods 81. One end of each connecting rod 81 is rotationally connected with a corresponding seat rod 211, and the other end of each connecting rod 81 is rotationally connected with the second support 112. The seat rod 211 is rotationally connected with the first support 111. When the seat rod 211 rotates relative to the first support 111, the seat rod 211 drives the connecting rod 81 to move, and in turn drives the second support 112 to rotate, so that the first wheel set 4 is folded. Further, the frame body 21 is rotationally mounted on the first support 111 along a first rotation axis m1, specifically, the seat rod 211 is rotationally connected with the first support 111 along the first rotation axis m1. Part of the frame body 21 extends to the other side of the first rotation axis m1 to form an extension, and the connecting rod 81 is pivoted to the extension.

[0062] The first wheel set 4 includes two first wheels, and a wheel shaft is connected between the two first wheels. The wheel shaft is fixedly connected with the second support 112, and each connecting rod 81 is rotationally connected with a corresponding second support 112.

[0063] The above-mentioned carrier is a stroller, and the carrier further has a handle 7 arranged on the frame 1. The handle 7 can be folded towards the frame 1. Generally, the handle 7 is arranged at the rear of the carrier, and in the folded state, the handle 7 is folded towards the front, so as to reduce the folding size of the carrier in the second direction.

[0064] The carrier is a stroller, and a seat or a seat pocket is arranged on the seat plate 23 for a baby to sit on. A backrest 6 is rotationally connected with the seat plate 23, and the backrest 6 is arranged at the rear end of the seat plate 23. The backrest 6 can be folded towards the frame 1. In the folded state, the backrest 6 is folded towards the front, so as to reduce the folding size of the carrier in the second direction.

[0065] When folding the carrier provided in the present application, Figure 5 and Figure 6As shown, the backrest 6 and the handlebar 7 are folded first. As shown in Figure 7 and Figure 8 As shown, the driving mechanism 3 drives the seat frame 2 to fold towards the frame 1, and drives the first wheel set 4 to fold towards the second wheel set 5. When the seat frame 2 folds towards the frame 1, the folding size of the carrier in the first direction is reduced. When the first wheel set 4 folds towards the second wheel set 5, the folding size of the carrier in the second direction is reduced. Figure 9 and Figure 10 As shown, the first wheel set 4 and the second wheel set 5 are closest to each other, which is the state diagram of the carrier when it is completely folded.

[0066] Obviously, the above-mentioned embodiments of the present application are only examples for clearly illustrating the present application, and are not intended to limit the embodiments of the present application. For those skilled in the art, various obvious changes, re-adjustments and substitutions can be made without departing from the scope of the present application. Here, it is not necessary and impossible to enumerate all the embodiments. Any modification, equivalent substitution and improvement within the spirit and principle of the present application shall be included in the protection scope of the claims of the present application.

Claims

1. A carrier, characterized by The utility model relates to a folding seat frame structure of a vehicle, which comprises: a vehicle frame (1); a seat frame (2) movably connected with the vehicle frame (1); a driving mechanism (3) movably connected with the vehicle frame (1) and the seat frame (2) respectively, used for driving the seat frame (2) to change between an unfolded state and a folded state, wherein the driving mechanism (3) is supported between the seat frame (2) and the vehicle frame (1) when the seat frame (2) is in the unfolded state, and the driving mechanism (3) drives the seat frame (2) to fold towards the vehicle frame (1) when the seat frame (2) is in the folded state.

2. The carrier of claim 1, wherein, The driving mechanism (3) comprises a transmission rod (31) and a driving member (32) for driving the transmission rod (31) to move, wherein the driving member (32) is rotatably installed on the vehicle frame (1) and can drive the transmission rod (31) to rotate towards the vehicle frame (1). The transmission rod (31) is rotatably connected with the seat frame (2) and drives the seat frame (2) to fold towards the vehicle frame (1) when the transmission rod (31) folds towards the vehicle frame (1).

3. The carrier of claim 2, wherein, The driving member (32) comprises a driving motor, and the transmission rod (31) comprises a screw rod (311) arranged on the driving motor and a screw rod nut (312) threadedly connected with the screw rod (311), wherein the screw rod nut (312) is rotatably arranged on the seat frame (2). The seat frame (2) comprises a frame body (21) rotatably arranged on the vehicle frame (1) and a support rod (22) arranged on the frame body (21), wherein the frame body (21) is rotatably arranged on the vehicle frame (1) about a first rotation axis (m1) extending in the left-right direction. The support rod (22) extends in the left-right direction, and the screw rod nut (312) is rotatably arranged on the support rod (22); the screw rod (311) extends in a direction perpendicular to the support rod (22) as a whole; and the screw rod (311) drives the frame body (21) to rotate towards the vehicle frame (1).

4. The carrier of claim 3, wherein, The seat frame (2) further comprises a seat plate (23) arranged on the frame body (21), and the transmission rod (31) is arranged in cooperation with the seat plate (23) so that the transmission rod (31) drives the seat plate (23) to fold towards the frame body (21) when the transmission rod (31) drives the frame body (21) to fold towards the vehicle frame (1). The seat plate (23) is rotatably arranged on the frame body (21), and one end of the screw rod nut (312) away from the screw rod (311) is rotatably connected with the frame body (21).

5. The carrier of claim 4, wherein, The screw rod nut (312) comprises a nut member (3121) threadedly connected with the screw rod (311) and a nut support pipe (3122), the nut member (3121) is fixedly arranged on the nut support pipe (3122), and the nut support pipe (3122) is rotatably arranged on the support rod (22); and one end of the nut support pipe (3122) away from the screw rod (311) is rotatably connected with the seat plate (23).

6. The carrier of claim 5, wherein, The nut supporting pipe (3122) is rotatably installed on the seat plate (23) around a supporting pipe rotation axis (m3), the frame body (21) is slidably connected with the seat plate (23), and the seat plate (23) is rotatably connected with the frame body (21) around a frame body rotation axis (m4), the supporting pipe rotation axis (m3) is relatively arranged at a position close to the front end of the seat plate (23), and the frame body rotation axis (m4) is relatively arranged at a position close to the rear end of the seat plate (23).

7. The carrier of claim 5, wherein, The frame body (21) comprises a pair of seat rods (211) pivotally connected with the vehicle frame (1), the supporting rod (22) is arranged between the pair of seat rods (211) and is rotatably connected with the seat rods (211) respectively; in the unfolded state, the seat rods (211), the vehicle frame (1) and the transmission rod (31) form a triangular structure.

8. The carrier of claim 2, wherein, The vehicle frame (1) has a pair of side frames (11) arranged oppositely and a transverse supporting beam (12) connected between the pair of side frames (11), the driving member (32) is fixed on the transverse supporting beam (12), and the transverse supporting beam (12) is rotatably connected with the side frames (11) respectively. The transverse supporting beam (12) is relatively arranged at a position close to the rear side of the vehicle frame (1).

9. The carrier of claim 8, wherein, The side frame (11) comprises a first support (111) and a second support (112) rotatably connected, and the seat frame (2) is rotatably installed on the first support (111), and in the folded state, the seat frame (2) is folded towards the first support (111).

10. The carrier of any one of claims 1 to 9, wherein, The carrier is a baby carriage, and the carrier further has a push handle (7) arranged on the vehicle frame (1), and the push handle (7) is foldable towards the vehicle frame (1).

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