Multifunctional foldable baby carriage

Abstract

The multifunctional foldable baby carriage is provided with a handle pipe, a supporting assembly, a camping frame assembly, a convertible installation assembly and a carriage folding mechanism, when the multifunctional foldable baby carriage is folded, only a carriage folding key needs to be pressed down, then the carriage folding key is pulled upwards to unlock related parts, the handle pipe is pressed downwards to support the movement between the positions close to each other, and then the baby carriage can be folded. When the camping frame assembly is unfolded, a ceiling and a surrounding frame of the camping frame assembly are folded in sequence, then a front support is folded downwards, and in the process, the camping frame assembly can be linked to achieve linkage folding of the whole vehicle after a vehicle folding mechanism unlocks a supporting assembly until the camping frame assembly is folded in place, and at the moment, a vehicle frame can stand; when the camping frame assembly is used, the handle pipe and the front support are lifted upwards in the vehicle unfolding direction at the same time, the supporting assembly is unfolded in place and locked, then the surrounding frame and the ceiling of the camping frame assembly are unfolded in place and locked, the seat assembly or the dinner plate assembly can be installed in a conversion mode through the convertible installation assembly, and the camping frame assembly is multifunctional, multipurpose, reasonable in folding structure and good in stability.

Description

Technical Field

[0001] The utility model relates to the technical field of baby products, in particular to a multifunctional foldable baby stroller. Background Art

[0002] Existing baby strollers usually provide a single seat or a sleeping basket in the frame and fix it in the body. On the other hand, two seats or two sleeping baskets are arranged side by side or one in front and one behind and fixed in the body. Existing baby strollers do not have the function of camping vehicles, and the folding and folding operation steps are many, the folding and folding operation is troublesome, the folding and folding operation is inconvenient, the folding and folding structure is unstable, and there are no structural components with convertible use functions, which cannot meet specific use functions and the functional use is subject to certain restrictions. Utility Model Content

[0003] The main purpose of the utility model is to provide a multifunctional foldable baby stroller, aiming to solve the technical problems of the prior art baby strollers that do not have the use function of a camping vehicle and do not have structural components with convertible use functions.

[0004] To achieve the above-mentioned purpose, the utility model provides a multifunctional foldable baby stroller, which not only has the function of providing a seat or a sleeping basket, but also has the function of a camping vehicle. The multifunctional foldable baby stroller includes a camping frame assembly, and the camping frame assembly includes a handlebar tube;

[0005] A support assembly, the support assembly comprises a front support and a rear support, the front support and the rear support are pivotally connected, and the handlebar tube is pivotally connected to the rear support;

[0006] A camping frame assembly, the camping frame assembly comprises a frame, the frame comprises a first frame and a second frame, and the first frame and the second frame are pivotally connected;

[0007] A convertible mounting assembly, the convertible mounting assembly includes a seat assembly and a dining tray assembly, and either the seat assembly or the dining tray assembly can be convertibly mounted on the baby stroller;

[0008] The vehicle folding mechanism is used to control the supporting assembly to drive the camping frame assembly to be folded.

[0009] Furthermore, the vehicle collection mechanism includes a support assembly folding structure, and the support assembly folding structure includes:

[0010] Handlebar tube joint; the handlebar tube joint is provided with a connecting shaft;

[0011] A front support joint component is arranged on the front support, and the handlebar tube joint component and the front support joint component are rotatably arranged with each other;

[0012] A rear support joint, arranged on the rear support;

[0013] The first joint clamping pin is used to lock and unlock the handlebar tube joint component and the front support joint component.

[0014] Furthermore, the vehicle folding mechanism includes a camping rack assembly folding structure, and the camping rack assembly folding structure includes:

[0015] A first frame joint, wherein a first end of the first frame joint is connected to the first frame, and the first frame joint is provided with a first locking hole and a second locking hole;

[0016] A second frame joint, wherein a first end of the second frame joint is connected to the second frame, the first frame and the second frame are pivotally connected via the joint, and the second frame joint is provided with a third locking hole corresponding to the first locking hole and a fourth locking hole corresponding to the second locking hole;

[0017] Linking plastic, the linking plastic is provided with a socket, the connecting shaft can be movably inserted into the socket, and the linking plastic can be driven to rotate when the handle tube joint rotates;

[0018] The frame joint clamping pin and the linkage plastic are provided with an inclined surface which cooperates with the frame joint clamping pin. When the linkage plastic rotates, the frame joint clamping pin can be driven to move up and down.

[0019] Furthermore, the frame joint latch includes a first frame joint latch and a second frame joint latch, and a first accommodating chamber, a second accommodating chamber and a third accommodating chamber are provided on one side of the rear support joint corresponding to the folding structure of the camping frame assembly, the linkage plastic is located in the first accommodating chamber, the first frame joint latch is located in the second accommodating chamber, the second frame joint latch is located in the third accommodating chamber, and the rear support joint is provided with a first arc groove, the connecting shaft passes through the first arc groove and is connected to the linkage plastic and can move within the length range of the first arc groove.

[0020] Furthermore, the car retracting mechanism also includes a car retracting key, a car retracting steel rope and a clamping pin mounting seat, the first joint clamping pin is arranged on the clamping pin mounting seat, the first end of the car retracting steel rope is connected to the car retracting key, and the second end of the car retracting steel rope is connected to the clamping pin mounting seat.

[0021] Furthermore, the handle tube joint is provided with a second arc-shaped groove, the front support joint is provided with a third arc-shaped groove, and both the second arc-shaped groove and the third arc-shaped groove are provided with a locking groove.

[0022] Furthermore, the camping rack assembly also includes at least one roof assembly and at least one seat structure, the roof assembly includes a mounting seat and a bracket connected to the mounting seat, the mounting seat includes a connecting seat and a pivot seat, the free end of the bracket is inserted into the connecting seat, the connecting seat is pivotally connected to the pivot seat, the pivot seat is installed on the perimeter frame or the perimeter frame joint, the seat structure is connected to the perimeter frame, the seat structure is provided with a seat portion and a footrest portion, and two seat portions are provided, and the two seat portions are arranged opposite to each other.

[0023] Furthermore, it also includes a cushion, which can be selectively placed within the length range of the seat structure and covers the seat part and the footrest part. The middle position of the cushion can be folded so that the cushion can be folded synchronously when the baby stroller is folded.

[0024] Furthermore, it also includes a drawstring assembly, which is arranged at the bottom of the seat structure. The drawstring assembly includes a placement bag arranged at the bottom of the seat structure, and a drawstring connected to the placement bag or to the bottom of the seat structure, and the free end of the drawstring is provided with a pull ring.

[0025] Furthermore, it also includes a disassembly structure of the convertible mounting assembly, the disassembly structure includes an unlocking key and a locking pin provided on the seat assembly or the dining tray assembly, and a disassembly hole provided on the camping rack assembly, the locking pin includes a first inclined surface and a locking portion, the unlocking key is provided with a second inclined surface that cooperates with the first inclined surface, and the locking portion cooperates with the disassembly hole to lock and unlock.

[0026] The technical solution of the utility model forms a baby stroller with the function of a camping vehicle by arranging a handlebar tube, a support assembly, a camping frame assembly, a convertible mounting assembly and a vehicle folding mechanism. During the folding and unlocking process, it is only necessary to press the vehicle folding key and then pull the vehicle folding key upward to unlock the relevant components, then press the handlebar tube downward to move the rear support toward the mutually adjacent position, then fold the roof and the surrounding frame of the camping frame assembly in sequence, and then fold the front support downward. During this process, the vehicle folding mechanism can unlock the support assembly and then link the camping frame assembly to realize the linked folding of the whole vehicle until it is folded into place, at which time the frame can stand. When operating the exhibition vehicle, it is only necessary to first lift the handlebar tube and the front support upward toward the exhibition vehicle at the same time to unfold and lock the support assembly into place, and then unfold and lock the surrounding frame and the roof of the camping frame assembly into place, and the convertible mounting assembly can be used to convert and install the seat assembly or the dining tray assembly as needed. It has multifunctional and multi-purpose use, a reasonable folding structure and good stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 The three-dimensional Figure 1 ;

[0028] Figure 2 The three-dimensional Figure 2 ;

[0029] Figure 3 The utility model is decomposed into a car collecting mechanism Figure 1 ;

[0030] Figure 4 The utility model is decomposed into a car collecting mechanism Figure 2 ;

[0031] Figure 5 It is a folding structure of a camping rack assembly of the utility model;

[0032] Figure 6 It is a three-dimensional diagram of the unlocking key and locking pin of the utility model;

[0033] Figure 7 This is an exploded view of the unlocking key and locking pin of the utility model;

[0034] Figure 8 The three-dimensional Figure 3 ;

[0035] Fig. 9 The three-dimensional Figure 4 (dinner tray assembly to stroller);

[0036] Fig.10 The three-dimensional Figure 5 (Seat assembly installed on stroller);

[0037] Fig.11 It is a cross-sectional view of the frame of the utility model.

[0038] The above-mentioned camping rack assembly diagram includes the following reference numerals:

[0039] 1. Handlebar tube; 11. Upper tube section; 12. Lower tube section; 131. Telescopic button; 132. Second locking assembly; 2. Support assembly; 21. Front support; 22. Rear support; 3. Camping rack assembly; 31. Rack; 311. First rack; 312. Second rack; 321. Mounting seat; 3211. Connecting seat; 3212. Pivoting seat; 322. Bracket; 33. Seat structure; 331. Seat Position part; 332, footrest part; 35, mat; 36, drawstring assembly; 361, storage bag; 362, drawstring; 3621, pull ring; 4, convertible installation assembly; 41, seat assembly; 42, tray assembly; 43, disassembly structure; 431, unlocking key; 431a, second inclined surface; 432, locking pin; 432a, first inclined surface; 432b, locking part; 433, disassembly hole; 5, car collection machine Structure; 511, handlebar tube joint; 511a, connecting shaft; 5111, second arc groove; 512, front support joint; 5121, third arc groove; 510, locking groove; 513, rear support joint; 513a, first accommodating chamber; 513b, second accommodating chamber; 513c, third accommodating chamber; 515, first arc groove; 514, first joint clip; 521, first frame joint; 521a, first locking hole; 521b, second locking hole; 522, second frame joint; 522a, third locking hole; 522b, fourth locking hole; 523, linked plastic; 523a, jack; 524, frame joint clip; 524a, inclined plane; 5241, first frame joint clip; 5242, second frame joint clip; 53, car closing key; 55, clip mounting seat. DETAILED DESCRIPTION

[0040] The following will be combined with the accompanying drawings to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0041] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back, top, bottom, inside, outside, vertical, horizontal, longitudinal, counterclockwise, clockwise, circumferential, radial, axial...), then the directional indication is only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0042] In addition, if there are descriptions involving "first" or "second" etc. in the embodiments of the utility model, the descriptions of "first" or "second" etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the utility model.

[0043] The utility model provides a multifunctional foldable baby stroller. Figures 1 to 11 , including a handlebar tube 1, a support assembly 2, a camping frame assembly 3, a convertible mounting assembly 4 and a vehicle collection mechanism 5;

[0044] The support assembly 2 includes a front support 21 and a rear support 22, the front support 21 and the rear support 22 are pivotally connected, and the handlebar tube 1 is pivotally connected to the rear support 22;

[0045] A camping frame assembly 3, the camping frame assembly 3 includes a frame 31, the frame 31 includes a first frame 311 and a second frame 312, and the first frame 311 and the second frame 312 are pivotally connected;

[0046] A convertible mounting assembly 4, the convertible mounting assembly 4 comprises a seat assembly 41 and a dining tray assembly 42, and either the seat assembly 41 or the dining tray assembly 42 can be convertibly mounted on the baby stroller;

[0047] The vehicle folding mechanism 5 is used to control the support assembly 2 to drive the camping frame assembly 3 to be folded.

[0048] In this embodiment, the vehicle collection mechanism 5 includes a folding structure of the support assembly 2, such as Figure 3 , Figure 4 As shown, the folding structure of the support assembly 2 includes a handlebar tube joint 511, a front support joint 512, a rear support joint 513 and a first joint clamping pin 514: wherein the handlebar tube joint 511 is provided with a connecting shaft 511a; the front support joint 512 is arranged on the front support 21, and the handlebar tube joint 511 and the front support joint 512 are rotatably arranged with respect to each other; the rear support joint 513 is arranged on the rear support 22; the first joint clamping pin 514 is used to lock and unlock the handlebar tube joint 511 and the front support joint 512.

[0049] like Figure 3 , Figure 4 As shown, the vehicle collection mechanism 5 includes a folding structure of the camping rack assembly 3, and the folding structure of the camping rack assembly 3 includes:

[0050] A first frame joint 521, a first end of the first frame joint 521 is connected to the first frame 311, and the first frame joint 521 is provided with a first locking hole 521a and a second locking hole 521b;

[0051] A second frame joint 522, wherein a first end of the second frame joint 522 is connected to the second frame 312, and the first frame 311 and the second frame 312 are pivotally connected via the joint. The second frame joint 522 is provided with a third locking hole 522a corresponding to the first locking hole 521a and a fourth locking hole 522b corresponding to the second locking hole 521b;

[0052] The linkage plastic 523 is provided with a plug hole 523a, and the connecting shaft 511a can be movably plugged into the plug hole 523a. When the handlebar tube joint 511 rotates during the process of folding or displaying the vehicle, the linkage plastic 523 can be driven to rotate;

[0053] The frame joint latch 524 and the linkage plastic 523 are provided with an inclined surface 524a which cooperates with the frame joint latch 524. When the camping frame assembly 3 is unfolded, the handle tube joint 511 can drive the linkage plastic 523 to rotate when it rotates. During the rotation, the frame joint latch 524 can be driven to move up and down through the inclined surface 524a, so that the first frame joint latch 5241 will exit the first locking hole 521a and the third locking hole 522a, and the second frame joint latch 5242 will exit the second locking hole 521b and the fourth locking hole 522b to release the lock to allow the frame 31 to rotate, thereby achieving unlocking.

[0054] Specifically, the frame joint latch 524 includes a first frame joint latch 5241 and a second frame joint latch 5242, and the rear support joint 513 is provided with a first accommodating chamber 513a, a second accommodating chamber 513b and a third accommodating chamber 513c on one side of the folding structure of the camping frame assembly 3, the linkage plastic 523 is located in the first accommodating chamber 513a, the first frame joint latch 5241 is located in the second accommodating chamber 513b, and the second frame joint latch 5242 is located in the third accommodating chamber 513c, and the rear support joint 513 is provided with a first arc groove 515, and the connecting shaft 511a passes through the first arc groove 515 and is connected to the linkage plastic 523 and can move within the length range of the first arc groove 515.

[0055] When the camping rack assembly 3 is folded, the first frame joint 521 and the second frame joint 522 are lifted up respectively, the first frame joint latch 5241 will be inserted into the first locking hole 521a and the third locking hole 522a, and the second frame joint latch 5242 will be inserted into the second locking hole 521b and the fourth locking hole 522b to limit the rotation of the frame 31 and achieve locking.

[0056] In this embodiment, the vehicle retracting mechanism 5 also includes a vehicle retracting key 53, a vehicle retracting steel rope (not shown) and a clamping pin mounting seat 55. The first joint clamping pin 514 is arranged on the clamping pin mounting seat 55. The first end of the vehicle retracting steel rope is connected to the vehicle retracting key 53, and the second end of the vehicle retracting steel rope is connected to the clamping pin mounting seat 55.

[0057] In this embodiment, the handle tube joint 511 is provided with a second arc groove 5111 , the front support joint 512 is provided with a third arc groove 5121 , and both the second arc groove 5111 and the third arc groove 5121 are provided with a locking groove 510 .

[0058] In this embodiment, the handle tube 1 includes an upper tube section 11, a lower tube section 12 and a gear adjustment mechanism. The upper tube section 11 can be telescopically arranged on the lower tube section 12. The gear adjustment mechanism includes a telescopic button 131 and a second locking component 132. The telescopic button 131 is connected to the second locking component 132 through a steel rope. The telescopic button 131 is set on the upper tube section 11, and the lower tube section 12 is provided with three locking holes at intervals above and below. The second locking component 132 can be switched and locked between the positions of the three locking holes to adjust the height of the upper tube section 11.

[0059] In this embodiment, the camping rack assembly 3 also includes at least one ceiling assembly and at least one seat structure 33. The ceiling assembly includes a mounting seat 321 and a bracket 322 connected to the mounting seat 321. The mounting seat 321 includes a connecting seat 3211 and a pivot seat 3212. The free end of the bracket 322 is inserted into the connecting seat 3211. The connecting seat 3211 is pivotally connected to the pivot seat 3212. The angle of the ceiling can be adjusted by the pivot seat 3212. The pivot seat 3212 is installed on the frame 31 or the frame joint. The seat structure 33 is connected to the frame 31. The seat structure 33 is provided with a seat portion 331 and a footrest portion 332. There are two seat portions 331, and the two seat portions 331 are arranged opposite to each other.

[0060] In this embodiment, the camping frame assembly 3 also includes a mat 35, which can be selectively placed within the length of the seat structure 33 and cover the seat portion 331 and the footrest portion 332. The middle position of the mat 35 can be folded so that the mat 35 can be folded synchronously when the baby stroller is folded. After the mat 35 is placed, a sleeping basket mode is formed, and the baby can rest in it. In the sleeping basket mode, the dining tray assembly 42 or the seat assembly 41 of the convertible mounting assembly 4 will not be installed in the camping frame assembly 3.

[0061] In this embodiment, a drawstring assembly 36 is further included. The drawstring assembly 36 is arranged at the bottom of the seat structure 33. The drawstring assembly 36 includes a placement bag 361 arranged at the bottom of the seat structure 33, and a drawstring 362 connected to the placement bag 361 or to the bottom of the seat structure 33. The drawstring 362 is generally made of polyester, canvas, Oxford cloth and other materials, and is convenient for being rolled up and stored in the placement bag 361. The free end of the drawstring 362 is provided with a pull ring 3621. The drawstring assembly 36 plays an auxiliary role. The pull ring 3621 is convenient for hand pulling. The baby stroller can be pushed from the back manually, or pulled from the front manually holding the pull ring 3621.

[0062] In this embodiment, a disassembly structure 43 of a convertible installation component 4 is also included. The seat component 41 and the dining tray component 42 are convertibly installed in the camping rack component 3 through the disassembly structure 43. The disassembly structure 43 includes an unlocking key 431, a locking pin 432 and a disassembly hole 433 provided on the seat component 41 or the dining tray component 42. The locking pin 432 includes a first inclined surface 432a and a locking portion 432b. The unlocking key 431 is provided with a second inclined surface 431a that cooperates with the first inclined surface 432a. The locking portion 432b cooperates with the disassembly hole 433 to lock and unlock.

[0063] 1. Car collection operation:

[0064] Press the telescopic button 131 to unlock the handlebar tube 1, retract the upper tube section 11 downward into the lower tube section 12 and lock it, then press the vehicle folding key 53 and then pull the vehicle folding key 53 upward to drive the vehicle folding steel rope connected thereto, and the vehicle folding steel rope drives the clamping pin mounting seat 55, and the clamping pin mounting seat 55 drives the first joint clamping pin 514, and the first joint clamping pin 514 is pushed out of the locking groove 510, so that the handlebar tube 1 and the front support 21 are unlocked. At this time, the handlebar tube 1 and the front support 21 are allowed to rotate and fold, and the handlebar tube 1 is pressed downward to move toward the rear support 22 to a position close to each other, and then the roof and the surrounding frame 31 of the camping rack assembly 3 are folded in turn, and then the front support 21 is folded downward. In this process, the vehicle folding mechanism 5 can unlock the support assembly 2 and then link the camping rack assembly 3 to achieve linked folding of the entire vehicle until it is folded into place, and the frame can stand at this time.

[0065] 2. Exhibition car operation:

[0066] It is only necessary to lift the handle tube 1 and the front support 21 upwards towards the exhibition vehicle at the same time, so that the support assembly 2 is unfolded and locked, and then the enclosure 31 and the roof are unfolded. During this process, the joint latch provided on the rear support 22 returns to the locking groove 510 under the action of the latch return spring (not shown). At this time, the handle tube 1 and the rear support 22 are locked, and the exhibition vehicle operation is completed.

[0067] The above are only preferred embodiments of the present invention, and do not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the utility model concept, or directly / indirectly used in other related / similar technical fields are included in the patent protection scope of the present invention.

Claims

1. A multifunctional foldable baby stroller, characterized in that: include: Handlebar tube; A support assembly, the support assembly comprises a front support and a rear support, the front support and the rear support are pivotally connected, and the handlebar tube is pivotally connected to the rear support; A camping frame assembly, the camping frame assembly comprises a frame, the frame comprises a first frame and a second frame, and the first frame and the second frame are pivotally connected; A convertible mounting assembly, the convertible mounting assembly includes a seat assembly and a dining tray assembly, and either the seat assembly or the dining tray assembly can be convertibly mounted on the baby stroller; The vehicle folding mechanism is used to control the supporting assembly to drive the camping frame assembly to be folded.

2. The multifunctional foldable baby stroller according to claim 1, characterized in that: The vehicle collection mechanism includes a support assembly folding structure, and the support assembly folding structure includes: Handlebar tube joint; the handlebar tube joint is provided with a connecting shaft; A front support joint component is arranged on the front support, and the handlebar tube joint component and the front support joint component are rotatably arranged with each other; A rear support joint, arranged on the rear support; The first joint clamping pin is used to lock and unlock the handlebar tube joint component and the front support joint component.

3. The multifunctional foldable baby stroller according to claim 2, characterized in that: The car folding mechanism includes a camping rack assembly folding structure, and the camping rack assembly folding structure includes: A first frame joint, wherein a first end of the first frame joint is connected to the first frame, and the first frame joint is provided with a first locking hole and a second locking hole; A second frame joint, wherein a first end of the second frame joint is connected to the second frame, the first frame and the second frame are pivotally connected via the joint, and the second frame joint is provided with a third locking hole corresponding to the first locking hole and a fourth locking hole corresponding to the second locking hole; Linking plastic, the linking plastic is provided with a socket, the connecting shaft can be movably inserted into the socket, and the linking plastic can be driven to rotate when the handle tube joint rotates; The frame joint clamping pin and the linkage plastic are provided with an inclined surface which cooperates with the frame joint clamping pin. When the linkage plastic rotates, the frame joint clamping pin can be driven to move up and down.

4. The multifunctional foldable baby stroller according to claim 3, characterized in that: The frame joint latch includes a first frame joint latch and a second frame joint latch, and a first accommodating chamber, a second accommodating chamber and a third accommodating chamber are provided on one side of the rear support joint corresponding to the folding structure of the camping frame assembly, the linkage plastic is located in the first accommodating chamber, the first frame joint latch is located in the second accommodating chamber, and the second frame joint latch is located in the third accommodating chamber, and the rear support joint is provided with a first arc groove, and the connecting shaft passes through the first arc groove to be connected with the linkage plastic and can move within the length range of the first arc groove.

5. The multifunctional foldable baby stroller according to claim 2, characterized in that: The car retracting mechanism also includes a car retracting key, a car retracting steel rope and a clamping pin mounting seat. The first joint clamping pin is arranged on the clamping pin mounting seat. The first end of the car retracting steel rope is connected to the car retracting key, and the second end of the car retracting steel rope is connected to the clamping pin mounting seat.

6. The multifunctional foldable baby stroller according to claim 2, characterized in that: The handle tube joint is provided with a second arc-shaped groove, the front support joint is provided with a third arc-shaped groove, and both the second arc-shaped groove and the third arc-shaped groove are provided with locking grooves.

7. The multifunctional foldable baby stroller according to claim 1, characterized in that: The camping frame assembly also includes at least one roof assembly and at least one seat structure. The roof assembly includes a mounting seat and a bracket connected to the mounting seat. The mounting seat includes a connecting seat and a pivot seat. The free end of the bracket is inserted into the connecting seat. The connecting seat is pivotally connected to the pivot seat. The pivot seat is installed on the perimeter frame or the perimeter frame joint. The seat structure is connected to the perimeter frame. The seat structure is provided with a seat portion and a footrest portion. There are two seat portions, and the two seat portions are arranged opposite to each other.

8. The multifunctional foldable baby stroller according to claim 7, characterized in that: The invention also comprises a cushion, which can be selectively placed within the length range of the seat structure and covers the seat part and the footrest part. The middle position of the cushion can be folded so that the cushion can be folded synchronously when the baby stroller is folded.

9. The multifunctional foldable baby stroller according to claim 7, characterized in that: It also includes a drawstring assembly, which is arranged at the bottom of the seat structure. The drawstring assembly includes a placement bag arranged at the bottom of the seat structure, and a drawstring connected to the placement bag or to the bottom of the seat structure, and a pull ring is provided at the free end of the drawstring.

10. The multifunctional foldable baby stroller according to claim 1, characterized in that: It also includes a disassembly and assembly structure of a convertible mounting assembly, which includes an unlocking key and a locking pin arranged on a seat assembly or a dining tray assembly, and a disassembly and assembly hole arranged on a camping rack assembly, wherein the locking pin includes a first inclined surface and a locking portion, the unlocking key is provided with a second inclined surface cooperating with the first inclined surface, and the locking portion cooperates with the disassembly and assembly hole to lock and unlock.

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