A foldable baby stroller

Abstract

The invention discloses a foldable baby stroller, comprising a front frame, a rear frame, a handle assembly and a backrest assembly. By setting a connection assembly, the backrest assembly is rotated, and when the backrest assembly rotates, a roller is pulled, and a pressing block is pushed under the action of the roller, and then the pressing block pushes a folding slider, and under the action of the folding slider, the folding iron is driven to rotate at the same time, and the folding iron pushes the platform locking particles while rotating. At this time, since the platform locking particles are separated from the card slots in the first joint iron sheet and the second joint iron sheet, the entire platform is in an unlocked state. At this time, the seat back continues to rotate toward the handle assembly to make the handle assembly fold downward, and when the handle assembly is folded downward, it drives the handle linkage, and the handle linkage drives the frame linkage, so that the entire platform can be completely folded and automatically stand up, and this folding method is not easy to be damaged, which can extend the service life of the baby stroller and improve the quality of the baby stroller.

Description

Technical Field

[0001] The present invention relates to the field of baby carriages, and more particularly to a foldable baby carriage. Background Art

[0002] A baby stroller is a tool vehicle designed to facilitate outdoor activities for babies. There are various models. Generally, children aged 1 to 2 play with baby strollers, and those over 2 years old play with toy cars with wheels. Baby strollers will bring certain benefits to children's intellectual development and increase their brain development. Baby strollers are the baby's favorite means of transportation for walking, and are also a must-have for mothers when they take their babies shopping. However, according to the baby's growth and use, baby strollers can be divided into many types. It is mainly based on the load capacity as the standard, and the general test standard is nine to fifteen kilograms. The general baby stroller can be used for about four to five years.

[0003] Although the baby stroller in the prior art can be folded when in use, the folding components for folding the baby stroller are often damaged, which affects the use of the baby stroller and reduces the service life of the baby stroller. Summary of the invention

[0004] 1. Technical problems to be solved

[0005] In view of the problems existing in the prior art, the purpose of the present invention is to provide a foldable baby stroller. By setting a connecting component and utilizing the rotation of the backrest component, the roller will be pulled when the backrest component rotates, and the pressing block will be pushed under the action of the roller, and then the pressing block will push the folding sliding block, and the folding sliding block will simultaneously drive the folding iron to rotate, and the folding iron will push the platform locking particles while rotating. At this time, since the platform locking particles are disengaged from the slots in the first joint iron plate and the second joint iron plate, the entire platform is in an unlocked state. At this time, the seat back continues to rotate toward the handlebar assembly to fold the handlebar assembly downward, and when the handlebar assembly is folded downward, it will drive the handlebar linkage, and the handlebar linkage will drive the frame linkage, so that the entire platform can be completely folded and automatically stand up, and this folding method is not easy to be damaged, which can extend the service life of the baby stroller and improve the quality of the baby stroller.

[0006] 2. Technical solution

[0007] To solve the above problems, the present invention adopts the following technical solutions.

[0008] A foldable baby stroller comprises a front frame, a rear frame, a handle assembly and a backrest assembly, wherein the upper end of the front frame is movably connected to the rear frame, the handle assembly and the backrest assembly respectively through a connecting assembly, the lower end of the rear frame is fixedly connected to a rear wheel, the lower end of the front frame is rotatably connected to a front wheel, and a pedal is fixedly installed between the rear wheels.

[0009] Furthermore, the handle assembly includes a connecting tube, a movable rod and a push handle, the connecting tube is fixedly connected to the connecting assembly, the movable rod is sleeved inside the connecting tube, the push handle is configured to be U-shaped, and both ends of the push handle are fixedly connected to the ends of the movable rod.

[0010] Furthermore, the backrest assembly includes a U-shaped frame, a hinge, a support frame and a cross bar, both ends of the U-shaped frame are movably connected to the connecting assembly, the support frame is hinged to the middle part of the U-shaped frame through the hinge, and both ends of the cross bar are fixedly connected between the lower end side walls of the U-shaped frame.

[0011] Further, the connecting assembly includes a first connecting head, a second connecting head, a left cover body, a right cover body, a first joint iron sheet, a second joint iron sheet, a slot, a car collecting iron, a sliding block, a platform locking particle, a handlebar linkage and a frame linkage, the first connecting head is fixedly mounted on the upper end of the front frame, the second connecting head is fixedly connected to the lower end of the handlebar assembly, the left cover body and the right cover body are snap-connected, the first connecting head and the second connecting head are both arranged inside the left cover body and the right cover body, the first joint iron sheet and the second joint iron sheet are both arranged inside the left cover body and the right cover body, the lower ends of the first joint iron sheet and the second joint iron sheet are inserted into the upper end of the rear frame, the slot is opened at the upper ends of the first joint iron sheet and the second joint iron sheet, the car collecting iron is arranged inside the left cover body and the right cover body, the sliding block is fixedly connected to the lower end of the car collecting iron, the two ends of the platform locking particle are snap-connected inside the slot, and the handlebar linkage and the frame linkage are both arranged inside the left cover body and the right cover body.

[0012] Furthermore, the side walls of the first joint iron plate and the second joint iron plate are provided with positioning holes, and the upper end side wall of the rear frame is also provided with positioning holes, and fixing bolts are fixedly installed inside the positioning holes of the side walls of the rear frame and the positioning holes of the inner walls of the first joint iron plate and the second joint iron plate.

[0013] Furthermore, a button box is provided on the right side of the left cover body, a button block is provided inside the button box, and a roller is provided on the left side of the button block.

[0014] Furthermore, a first reinforcing rod is fixedly connected between opposite sides of the front frame, and a second reinforcing rod is fixedly connected between opposite sides of the rear frame.

[0015] 3. Beneficial effects

[0016] Compared with the prior art, the advantages of the present invention are:

[0017] The present invention provides a connecting component and utilizes the rotation of the backrest component. When the backrest component rotates, the roller is pulled, and the button is pushed by the roller, and then the button pushes the sliding block. The sliding block drives the folding iron to rotate at the same time, and the folding iron drives the locking particles of the stroller at the same time. At this time, since the locking particles of the stroller are disengaged from the slots in the first joint iron plate and the second joint iron plate, the entire stroller is in an unlocked state. At this time, the seat back continues to rotate toward the handlebar component to fold the handlebar component downward. When the handlebar component is folded downward, it drives the handlebar linkage, and the handlebar linkage drives the frame linkage. As a result, the entire stroller can be completely folded and automatically stand up. In addition, this folding method is not easy to be damaged, which can extend the service life of the stroller and improve the quality of the stroller. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of the present invention;

[0019] Figure 2 It is the unfolded view of the whole vehicle of the present invention;

[0020] Figure 3 is an axonometric view of the present invention;

[0021] Figure 4 It is an enlarged view of part A of the present invention.

[0022] Description of the numbers in the figure:

[0023] 1. Front frame; 2. Rear frame; 3. Handlebar assembly; 31. Connecting tube; 32. Movable rod; 33. Push handle; 4. Backrest assembly; 41. U-shaped frame; 42. Hinge; 43. Support frame; 44. Crossbar; 5. Connecting assembly; 51. First connector; 52. Second connector; 53. Left cover; 54. Right cover; 55. First joint iron sheet; 56. Second joint iron sheet; 57. Slot; 58. Car closure iron; 59. Car closure slider; 510. Car platform locking particle; 511. Handlebar linkage; 512. Frame linkage; 6. Rear wheel; 7. Front wheel; 8. Pedal; 9. Positioning hole; 10. Press box; 11. Press block; 12. Roller; 13. First reinforcing rod; 14. Second reinforcing rod. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention; it is obvious that the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making creative work are within the scope of protection of the present invention.

[0025] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0026] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "mounted / connected", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] Example:

[0028] See also Figure 1 A foldable baby stroller comprises a front frame 1, a rear frame 2, a handlebar assembly 3 and a backrest assembly 4. The upper end of the front frame 1 is movably connected to the rear frame 2, the handlebar assembly 3 and the backrest assembly 4 through a connecting assembly 5, the lower end of the rear frame 2 is fixedly connected to a rear wheel 6, the lower end of the front frame 1 is rotatably connected to a front wheel 7, and a pedal 8 is fixedly installed between the rear wheels 6.

[0029] See also Figure 2 The handle assembly 3 includes a connecting tube 31, a movable rod 32 and a push handle 33. The connecting tube 31 is fixedly connected to the connecting assembly 5. The movable rod 32 is sleeved inside the connecting tube 31. The push handle 33 is set to be U-shaped. The two ends of the push handle 33 are fixedly connected to the ends of the movable rod 32. The movable rod 32 is sleeved inside the connecting tube 31, which facilitates the extension and retraction of the entire handle assembly 3.

[0030] See also Figure 3 The backrest assembly 4 includes a U-shaped frame 41, a hinge 42, a support frame 43 and a cross bar 44. Both ends of the U-shaped frame 41 are movably connected to the connecting assembly 5. The support frame 43 is hinged to the middle part of the U-shaped frame 41 through the hinge 42. Both ends of the cross bar 44 are fixedly connected between the lower end side walls of the U-shaped frame 41. The whole vehicle can be folded up using the backrest assembly 4, which is convenient for installation.

[0031] See also Figure 2The connecting assembly 5 includes a first connecting head 51, a second connecting head 52, a left cover body 53, a right cover body 54, a first joint iron sheet 55, a second joint iron sheet 56, a slot 57, a car collection iron 58, a sliding block 59, a platform locking particle 510, a handlebar linkage 511 and a frame linkage 512. The first connecting head 51 is fixedly mounted on the upper end of the front frame 1, and the second connecting head 52 is fixedly connected to the lower end of the handlebar assembly 3. The left cover body 53 and the right cover body 54 are snap-connected. The first connecting head 51 and the second connecting head 52 are both arranged inside the left cover body 53 and the right cover body 54. The first joint iron sheet 55 and the second joint iron sheet 56 are both arranged inside the left cover body 53 and the right cover body 54. The lower ends of the first joint iron sheet 55 and the second joint iron sheet 56 are inserted into the upper end of the rear frame 2, and the slot 57 is opened at the upper ends of the first joint iron sheet 55 and the second joint iron sheet 56. The car folding iron 58 is arranged inside the left cover body 53 and the right cover body 54, and the folding slider 59 is fixedly connected to the lower end of the car folding iron 58. The two ends of the car platform locking particle 510 are clamped in the slot 57. The handlebar linkage 511 and the frame linkage 512 are both arranged inside the left cover body 53 and the right cover body 54. The entire car platform can be completely folded and automatically stand up through the connecting component 5, and this folding method is not easy to be damaged, which can extend the service life of the baby stroller and improve the quality of the baby stroller.

[0032] See also Figure 3 The side walls of the first joint iron sheet 55 and the second joint iron sheet 56 are provided with positioning holes 9, and the upper end side wall of the rear frame 2 is also provided with positioning holes 9. The positioning holes 9 of the side walls of the rear frame 2 and the positioning holes 9 of the inner walls of the first joint iron sheet 55 and the second joint iron sheet 56 are fixed with fixing bolts. The first joint iron sheet 55 and the second joint iron sheet 56 are fixed by using the positioning holes 9 and the positioning bolts, which is conducive to a more stable installation of the first joint iron sheet 55 and the second joint iron sheet 56.

[0033] See also Figure 2 A button box 10 is provided on the right side of the left cover body 53, a button block 11 is provided inside the button box 10, and a roller 12 is provided on the left side of the button block 11. When the backrest assembly 4 rotates, the roller 12 will be pulled, and the button block 11 will be pushed under the action of the roller 12, and then the button block 11 pushes the sliding block 59, which is conducive to folding the entire vehicle.

[0034] See also Figure 3 A first reinforcing rod 13 is fixedly connected between opposite sides of the front frame 1, and a second reinforcing rod 14 is fixedly connected between opposite sides of the rear frame 2. The arrangement of the second reinforcing rod 14 and the first reinforcing rod 13 improves the installation of the entire vehicle.

[0035] See also Figure 1-3When in use, the backrest assembly 4 is rotated. When the backrest assembly 4 rotates, the roller 12 is pulled, and the pressing block 11 is pushed under the action of the roller 12, and then the pressing block 11 pushes the sliding block 59. Under the action of the sliding block 59, the car collecting iron 58 is driven to rotate at the same time. The car collecting iron 58 rotates and pushes the car platform locking particle 510. At this time, since the car platform locking particle 510 is separated from the card slot 57 in the first joint iron sheet 55 and the second joint iron sheet 56, the entire car platform is in an unlocked state. At this time, the seat back continues to turn toward the handle assembly 3 to make the handle When the component 3 is folded downward, the handlebar connecting piece 511 will be driven when the handlebar connecting piece 511 is folded downward, and at the same time, the handlebar connecting piece 511 will drive the frame connecting piece 512, so that the whole stroller can be completely folded and automatically stand up, and this folding method is not easy to be damaged, which can extend the service life of the baby stroller and improve the quality of the baby stroller. When the whole stroller is pushed, the direction of the whole stroller can be controlled by rotating the front wheel 7. The setting of the first reinforcing rod 13 and the second reinforcing rod 14 improves the load-bearing capacity of the whole stroller, which is conducive to carrying heavier items.

[0036] The above is only a preferred specific implementation of the present invention; however, the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solution and its improved conception within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A foldable baby stroller, comprising a front frame (1), a rear frame (2), a handle assembly (3) and a backrest assembly (4), characterized in that: The upper end of the front frame (1) is movably connected to the rear frame (2), the handlebar assembly (3) and the backrest assembly (4) respectively through a connecting assembly (5); the lower end of the rear frame (2) is fixedly connected to a rear wheel (6); the lower end of the front frame (1) is rotatably connected to a front wheel (7); and a pedal (8) is fixedly installed between the rear wheels (6); The handle assembly (3) comprises a connecting tube (31), a movable rod (32) and a push handle (33); the connecting tube (31) is fixedly connected to the connecting assembly (5); the movable rod (32) is sleeved inside the connecting tube (31); the push handle (33) is U-shaped; and both ends of the push handle (33) are fixedly connected to the ends of the movable rod (32); The connecting assembly (5) comprises a first connecting head (51), a second connecting head (52), a left cover (53), a right cover (54), a first joint iron sheet (55), a second joint iron sheet (56), a slot (57), a wheel collection iron (58), a wheel collection slider (59), a platform locking particle (510), a handlebar linkage (511) and a frame linkage (512); the first connecting head (51) is fixedly mounted on the upper end of the front frame (1); the second connecting head (52) is fixedly connected to the lower end of the handlebar assembly (3); the left cover (53) and the right cover (54) are snap-fitted and connected; the first connecting head (51) and the second connecting head (52) are both arranged inside the left cover (53) and the right cover (54); A joint iron sheet (55) and a second joint iron sheet (56) are both arranged inside the left cover body (53) and the right cover body (54); the lower ends of the first joint iron sheet (55) and the second joint iron sheet (56) are inserted into the upper end of the rear frame (2); the clamping groove (57) is opened at the upper ends of the first joint iron sheet (55) and the second joint iron sheet (56); the vehicle collection iron (58) is arranged inside the left cover body (53) and the right cover body (54); the sliding block (59) is fixedly connected to the lower end of the vehicle collection iron (58); the two ends of the vehicle platform locking particle (510) are clamped in the clamping groove (57); the handlebar linkage (511) and the frame linkage (512) are both arranged inside the left cover body (53) and the right cover body (54); The side walls of the first joint iron sheet (55) and the second joint iron sheet (56) are provided with positioning holes (9), and the upper side wall of the rear frame (2) is also provided with positioning holes (9), and fixing bolts are fixedly installed inside the positioning holes (9) of the side wall of the rear frame (2) and the positioning holes (9) of the inner side walls of the first joint iron sheet (55) and the second joint iron sheet (56); A push box (10) is provided on the right side of the left cover body (53), a push block (11) is provided inside the push box (10), and a roller (12) is provided on the left side of the push block (11).

2. The foldable baby stroller according to claim 1, characterized in that: The backrest assembly (4) comprises a U-shaped frame (41), a hinge (42), a support frame (43) and a cross bar (44); both ends of the U-shaped frame (41) are movably connected to the connection assembly (5); the support frame (43) is hinged to the middle part of the U-shaped frame (41) through the hinge (42); and both ends of the cross bar (44) are fixedly connected between the lower end side walls of the U-shaped frame (41).

3. The foldable baby stroller according to claim 1, characterized in that: A first reinforcing rod (13) is fixedly connected between opposite sides of the front frame (1), and a second reinforcing rod (14) is fixedly connected between opposite sides of the rear frame (2).

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