Folding frame and baby stroller

Abstract

The present invention belongs to the technical field of strollers. On the one hand, a folding frame is disclosed, which includes a frame body, a push rod, a first sliding sleeve sleeved on the push rod, a handrail rod and a connecting rod assembly whose end is hinged to the first sliding sleeve. One end of the push rod is hinged to the frame body so as to be able to rotate around a first rotating shaft. The two ends of the first connecting rod are respectively hinged to the frame body and the second rotating shaft. The two ends of the second connecting rod are respectively hinged to the first sliding sleeve and the middle section of the first connecting rod. The two ends of the third connecting rod are respectively hinged to the second rotating shaft and the middle section of the handrail rod. The second rotating shaft is arranged between the first rotating shaft and the first sliding sleeve so that the handrail rod is locked on the push rod, thereby locking the unfolded folding frame. On the other hand, the present invention discloses a baby stroller, which includes the folding frame as above. The folding frame can lock the handrail rod without providing a locking mechanism, thereby avoiding the situation where the handrail rod is unlocked due to accidentally touching the unlocking button.

Description

Technical Field

[0001] The present invention relates to the technical field of strollers, and in particular to a folding frame and a baby stroller. Background Art

[0002] Baby strollers are widely used as a means of transportation for infants. Since baby strollers are small in size, the frame of the baby strollers is usually made into a foldable frame, so that the baby strollers are easy to fold, and the folded size is small, easy to store, and convenient to carry.

[0003] In the prior art, the folding frame of the baby stroller generally includes a push rod and a handrail, and a locking mechanism is provided at the connection between the handrail and the push rod, so that when the folding frame is in the unfolded state, the locking mechanism can lock the handrail, thereby keeping the handrail of the folding frame in the unfolded state in a fixed state.

[0004] In order to facilitate the locking and unlocking of the handrail, an unlocking button of the locking mechanism is usually set on the handrail. Since infants and children are very curious, they may accidentally touch the unlocking button to unlock the handrail that remains locked, thereby causing the infant or child to fall from the stroller.

[0005] Therefore, there is an urgent need for a folding frame without a locking mechanism so that the handrail can be firmly fixed when the folding frame is in an unfolded state. Summary of the invention

[0006] The object of the present invention is to provide a folding frame and a baby stroller, which enable the folding frame to be firmly fixed in the unfolded state without the need for a locking mechanism, thereby solving the problem of a conventional baby stroller in which a handrail bar that is kept in a locked state is unlocked due to an accidental touch of an unlocking button, causing the baby to fall from the stroller.

[0007] To achieve this object, the present invention provides a folding frame, which has a folded state and an unfolded state. The folding frame includes a frame body, a push rod, a first sliding sleeve sleeved on the push rod, and a handrail whose end is hinged to the first sliding sleeve. The folding frame also includes a first connecting rod, a second connecting rod and a third connecting rod, wherein:

[0008] One end of the push rod is hinged to the frame body so as to be able to rotate around a first rotating shaft, two ends of the first connecting rod are respectively hinged to the frame body and a second rotating shaft located in the middle section of the push rod, and two ends of the second connecting rod are respectively hinged to the first sliding sleeve and the middle section of the first connecting rod so as to drive the first sliding sleeve to slide along the axial direction of the push rod when the push rod rotates around the first rotating shaft;

[0009] The two ends of the third connecting rod are respectively hinged to the second rotating shaft and the middle section of the handrail rod, so as to drive the handrail rod to swing when the first sliding sleeve slides;

[0010] The second rotating shaft is arranged between the first rotating shaft and the first sliding sleeve. When the first sliding sleeve slides toward the first rotating shaft to a preset locking position, the handrail rod is locked on the push rod.

[0011] Preferably, the folding frame further comprises a front wheel bracket and a fourth connecting rod, and the frame body comprises a first connecting body and a second connecting body, wherein:

[0012] One end of the front wheel bracket is hinged to the first connecting body so as to be able to rotate along the third rotating shaft, and two ends of the fourth connecting rod are respectively hinged to the second connecting body and the fourth rotating shaft located in the middle section of the front wheel bracket;

[0013] The first rotating shaft is arranged on the first connecting body, the first connecting rod is hinged to the second connecting body, and when the push rod rotates around the first rotating shaft, the second connecting body can drive the front wheel bracket to rotate around the third rotating shaft.

[0014] Preferably, the folding frame further comprises a pair of rear wheel rods and a pair of fifth connecting rods, wherein:

[0015] One end of a pair of rear wheel rods is respectively hinged to two sides of the first connector so as to be able to rotate along a pair of fifth rotation axes respectively, and the fifth rotation axes intersect or are not in the same plane as the first rotation axis so that the pair of rear wheel rods can approach or move away from each other;

[0016] One end of a pair of the fifth connecting rods is respectively hinged to the second connecting body, and the other end of the pair of the fifth connecting rods is respectively hinged to the middle section of a pair of the rear wheel rods, so that when the push rod rotates around the first rotating shaft, the second connecting body can drive the pair of the rear wheel rods to approach or move away from each other.

[0017] Preferably, the folding frame also includes a pair of second sliding sleeves, which are respectively sleeved on the pair of rear wheel rods, one ends of a pair of fifth connecting rods are respectively hinged to the second connecting bodies, and the other ends of a pair of fifth connecting rods are respectively hinged to the pair of second sliding sleeves, so that when the push rod rotates around the first rotating shaft, the pair of second sliding sleeves drive the pair of rear wheel rods to move closer to or away from each other.

[0018] Preferably, the push rod comprises a front push rod and a rear push rod, one end of the front push rod is hinged to the first rotating shaft, and one end of the rear push rod is hinged to a sixth rotating shaft located at the other end of the front push rod;

[0019] When the folding frame switches from the unfolded state to the folded state, the front push rod can rotate around the first rotating axis in a direction close to the second connecting body, and the rear push rod can rotate around the sixth rotating axis in a direction close to the handrail rod to fold the handrail rod and make the handrail rod roughly parallel to the front push rod.

[0020] Preferably, the push rod further includes a limiting portion, and when the front push rod rotates around the sixth rotation axis in a direction away from the handrail rod, the limiting portion can limit the front push rod so that the front push rod and the rear push rod are located on the same straight line.

[0021] Preferably, the push rod further includes a locking mechanism, and the locking mechanism is capable of locking the front push rod and the rear push rod located on the same straight line.

[0022] Preferably, the folding frame also includes a seat plate, a sixth connecting rod and a seventh connecting rod, two ends of the sixth connecting rod are respectively hinged to one side of the bottom of the seat plate and the first connecting body, and two ends of the seventh connecting rod are respectively hinged to the other side of the bottom of the seat plate and the second connecting body, so that when the push rod rotates around the first rotating axis, the second connecting body can fold or unfold the seat plate.

[0023] Preferably, one end of the seventh connecting rod is hinged to the other side of the bottom of the seat plate, and the other end of the seventh connecting rod is hinged to the fourth rotating shaft located on the middle section of the front wheel bracket.

[0024] Another aspect of the present invention provides a baby stroller, comprising the folding frame as described above.

[0025] The beneficial effects of the present invention are as follows: through the first sliding sleeve, the first connecting rod, the second connecting rod and the third connecting rod, when the first sliding sleeve slides toward the first rotating shaft to a preset locking position, the first connecting rod and the third connecting rod are located on the same straight line to firmly lock the handrail bar, thereby avoiding the situation where the handrail bar is unlocked due to accidentally touching the unlock button. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 is a schematic structural diagram of a baby stroller in an unfolded state provided by an embodiment of the present invention;

[0027] Figure 2 yes Figure 1 A partial enlarged view of the R in the middle;

[0028] Figure 3 yes Figure 1 The main view;

[0029] Figure 4 is a schematic structural diagram of a baby stroller provided by an embodiment of the present invention in a semi-folded state;

[0030] Figure 5 is a schematic structural diagram of a baby stroller in a folded state provided by an embodiment of the present invention;

[0031] Figure 6 yes Figure 5 main view.

[0032] In the figure:

[0033] 11. first connector; 12. second connector;

[0034] 21. Front push rod; 22. Rear push rod; 23. Locking mechanism;

[0035] 3. Handrails;

[0036] 4. Front wheel bracket;

[0037] 51. Rear wheel lever;

[0038] 6. Seat plate;

[0039] 71, first connecting rod; 72, second connecting rod; 73, third connecting rod; 74, fourth connecting rod; 75, fifth connecting rod; 76, sixth connecting rod; 77, seventh connecting rod;

[0040] 81. first sliding sleeve; 82. second sliding sleeve;

[0041] 91. First rotating shaft; 92. Second rotating shaft; 93. Third rotating shaft; 94. Fourth rotating shaft; 95. Fifth rotating shaft; 96. Sixth rotating shaft. DETAILED DESCRIPTION

[0042] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the present invention. It should also be noted that, for ease of description, only parts related to the present invention, rather than all structures, are shown in the accompanying drawings.

[0043] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it 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 an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0044] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0045] In the description of this embodiment, the terms "upper", "lower", "right", etc., directions or positional relationships are based on the directions or positional relationships shown in the drawings, and are only for the convenience of description and simplification of operation, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0046] The present embodiment provides a baby stroller, which includes a folding frame. The folding frame has a folded state and an unfolded state, so that the baby stroller has a small volume after being folded, is easy to store and convenient to carry.

[0047] Since a baby stroller usually uses a locking device to lock the baby stroller in an unfolded state, and unlocks the baby stroller through an unlocking button so that the baby stroller can be folded to a folded state, however, since the child sitting in the baby stroller does not know the function of the unlocking button and the child has a strong curiosity, the child may accidentally touch the unlocking button while sitting in the baby stroller, causing the baby stroller in a locked state to be unlocked, so that the child sitting in the baby stroller may fall from the baby stroller. Therefore, this embodiment provides a folding frame, which is described in detail below.

[0048] See also Figures 1 to 6 The folding frame has a folding state and an unfolding state. The folding frame includes a frame body, a push rod, a first sliding sleeve 81, a handrail rod 3 and a connecting rod assembly. The connecting rod assembly includes a first connecting rod 71, a second connecting rod 72 and a third connecting rod 73. One end of the push rod is hinged to the frame body to form a first hinge axis so that the push rod can rotate around a first rotating shaft 91 that coincides with the first hinge axis. The other end of the push rod is provided with a pushing portion. The user pushes the pushing portion of the push rod to push the baby stroller. The first sliding sleeve 81 is sleeved on the push rod and can slide along the extension direction of the push rod. One end of the handrail rod 3 is hinged to the first sliding sleeve 81. The other end of the handrail rod 3 is provided with a handhold portion. The child sitting in the baby stroller can grasp the handhold portion.

[0049] One end of the first connecting rod 71 is hinged to the frame body, and the other end of the first connecting rod 71 is hinged to the middle section of the push rod to form a second rotating shaft 92. One end of the second connecting rod 72 is hinged to the first sliding sleeve 81, and the other end of the second connecting rod 72 is hinged to the middle section of the first connecting rod 71. When the push rod rotates around the first rotating shaft 91, the first connecting rod 71 and the second connecting rod 72 drive the first sliding sleeve 81 to slide along the extension direction of the push rod. One end of the third connecting rod 73 is hinged to the second rotating shaft 92, and the other end of the third connecting rod 73 is hinged to the middle section of the handrail rod 3. When the first sliding sleeve 81 slides along the extension direction of the push rod, the third connecting rod 73 drives the handrail rod 3 to swing.

[0050] The second rotating shaft 92 is arranged between the first rotating shaft 91 and the first sliding sleeve 81. When the first sliding sleeve 81 slides toward the first rotating shaft 91 to a preset locking position, the first connecting rod 71 and the third connecting rod 73 are located on the same straight line, and the first connecting rod 71, the second connecting rod 72, the third connecting rod 73 and the handrail rod 3 form a triangle to lock the first sliding sleeve 81.

[0051] Through the first sliding sleeve 81, the first connecting rod 71, the second connecting rod 72 and the third connecting rod 73, when the first sliding sleeve 81 slides toward the first rotating shaft 91 to a preset locking position, the handrail bar 3 can be locked on the push rod and can be locked firmly, thereby avoiding the situation where the handrail bar 3 is unlocked due to accidentally touching the unlock button.

[0052] It can be understood that in this embodiment, in order to reduce the number of connecting rod assemblies and make the structure of the connecting rod assembly more stable, the connecting rod assembly is composed of a first connecting rod 71, a second connecting rod 72 and a third connecting rod 73, and when the first sliding sleeve 81 slides to the locking position, the first connecting rod 71 and the third connecting rod 73 are located on the same straight line, and the first connecting rod 71, the second connecting rod 72, the third connecting rod 73 and the handrail rod 3 form a triangle to lock the first sliding sleeve 81. In other embodiments, the connecting rod assembly can also be other connecting rod structures that can lock the handrail rod 3 to the push rod when the first sliding sleeve 81 slides to the locking position, which is not limited here.

[0053] Furthermore, in order to make the foldable frame have a smaller volume when folded and facilitate the storage of the foldable frame, the foldable frame also includes a front wheel bracket 4 and a fourth connecting rod 74, and the frame body includes a first connecting body 11 and a second connecting body 12. One end of the front wheel bracket 4 is hinged to the first connecting body 11 so as to be able to rotate along the third rotating shaft 93, one end of the fourth connecting rod 74 is hinged to the second connecting body 12, and the other end of the fourth connecting rod 74 is hinged to the fourth rotating shaft 94 located in the middle section of the front wheel bracket 4.

[0054] The first rotating shaft 91 is arranged on the first connecting body 11, and the first connecting rod 71 is hinged on the second connecting body 12. When the push rod rotates around the first rotating shaft 91, the first connecting rod 71 swings and drives the second connecting body 12 to swing, and the swinging second connecting body 12 drives the fourth connecting rod 74 to swing, and the swinging fourth connecting rod 74 drives the front wheel bracket 4 to rotate around the third rotating shaft 93, so that when the folding frame is stored, the front wheel bracket 4 can be close to the push rod, thereby reducing the size of the baby stroller, and the front wheel bracket 4 can be stored by simply rotating the push rod, which facilitates the storage of the folding frame.

[0055] Furthermore, in order to make the volume of the folding frame smaller when folded, the folding frame further includes a pair of rear wheel rods 51 and a pair of fifth connecting rods 75. One end of the pair of rear wheel rods 51 is respectively hinged to the two sides of the first connecting body 11 so as to be able to rotate along the pair of fifth rotating shafts 95 respectively. The fifth rotating shafts 95 intersect or are not in the same plane with the first rotating shaft 91 so as to make the pair of rear wheel rods 51 approach or move away from each other, so that when stored, the rear wheels on the pair of rear wheel rods 51 can be rotated to between the pair of front wheels. One end of the pair of fifth connecting rods 75 is respectively hinged to the second connecting body 12, and the other end of the pair of fifth connecting rods 75 is respectively hinged to the middle section of the pair of rear wheel rods 51. When the push rod rotates around the first rotating shaft 91, the swinging second connecting body 12 can drive the pair of fifth connecting rods 75 to swing, thereby driving the pair of rear wheel rods 51 to approach or move away from each other, so that the pair of rear wheel rods 51 can be stored by simply rotating the push rod, which not only reduces the volume of the folding frame in the folded state, but also facilitates the storage of the folding frame.

[0056] Preferably, in order to improve the supporting strength of the rear wheel rod 51, the folding frame also includes a pair of second sliding sleeves 82, and the pair of second sliding sleeves 82 are respectively mounted on the pair of rear wheel rods 51 so as to be able to slide along the extension direction of the pair of rear wheel rods 51 respectively. One ends of a pair of fifth connecting rods 75 are respectively hinged on the second connecting body 12, and the other ends of the pair of fifth connecting rods 75 are respectively hinged on the pair of second sliding sleeves 82, so that when the push rod rotates around the first rotating shaft 91, the pair of second sliding sleeves 82 drive the pair of rear wheel rods 51 to approach or move away from each other, thereby improving the supporting strength of the rear wheel rods 51.

[0057] When the foldable frame is stored, the push rod needs to be rotated from the top of the baby stroller to the bottom of the baby stroller around the first rotation axis 91, and the rotation path is long and the operation is troublesome. In order to solve the above problem, preferably, the push rod includes a front push rod 21 and a rear push rod 22, one end of the front push rod 21 is hinged to the first rotation axis 91, and one end of the rear push rod 22 is hinged to the sixth rotation axis 96 located at the other end of the front push rod 21.

[0058] When the folding frame switches from the unfolded state to the folded state, the rear push rod 22 is first rotated around the sixth rotation axis 96 in the direction close to the handrail rod 3, and then the front push rod 21 is rotated around the first rotation axis 91 in the direction close to the second connecting body 12, thereby folding the handrail rod 3, reducing the rotation radius of the push rod around the first rotation axis 91, and the folded handrail rod 3 is roughly parallel to the front push rod 21, which is not only convenient for storing the folding frame, but also simple to operate, and the folded folding frame has a smaller volume.

[0059] Furthermore, in order to facilitate the folding frame to be stored from the unfolded state to the folded state, the push rod further includes a limiting portion, and when the front push rod 21 rotates around the sixth rotation axis 96 in a direction away from the handrail 3, the limiting portion can limit the front push rod 21, and when the front push rod 21 rotates to be on the same straight line with the rear push rod 22, the front push rod 21 abuts against the rear push rod 22, so that the front push rod 21 cannot continue to rotate. When the folding frame in the unfolded state is stored, the rear push rod 22 can be pressed down first to unlock the handrail 3, and after the handrail 3 is unlocked, the rear push rod 22 is rotated around the sixth rotation axis 96 in a direction close to the handrail 3, so as to facilitate the storage of the folding frame.

[0060] Furthermore, in order to keep the front push rod 21 and the rear push rod 22 in a locked state during the pushing process, the push rod further includes a locking mechanism 23, which can lock the front push rod 21 and the rear push rod 22 located on the same straight line.

[0061] Furthermore, in order to make the folding frame smaller in size after being folded and to prevent the seat plate 6 from interfering with other parts of the folding frame, the folding frame also includes a sixth connecting rod 76 and a seventh connecting rod 77, the two ends of the sixth connecting rod 76 are respectively hinged to one side of the bottom of the seat plate 6 and the first connecting body 11, and the two ends of the seventh connecting rod 77 are respectively hinged to the other side of the bottom of the seat plate 6 and the second connecting body 12, so that when the push rod rotates around the first rotating shaft 91, the second connecting body 12 can adjust the inclination angle of the seat plate 6, thereby preventing the seat plate 6 from interfering with other parts of the folding frame, so as to realize folding or unfolding the seat plate 6.

[0062] Furthermore, in order to enable the seat plate 6 to remain in a fixed state when the folding frame is in the unfolded state, one end of the seventh connecting rod 77 is hinged to the other side of the bottom of the seat plate 6, and the other end of the seventh connecting rod 77 is hinged to the fourth rotating shaft 94 located in the middle section of the front wheel bracket 4, so that the front wheel bracket 4 in the unfolded state can firmly support the seat plate 6, so that when a child sits on the seat plate 6, the seat plate 6 can remain in a fixed state.

[0063] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. For those skilled in the art, various obvious changes, readjustments and substitutions can be made without departing from the protection scope of the present invention. It is not necessary and impossible to list all the embodiments here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A folding frame having a folded state and an unfolded state, the folding frame comprising a frame body, a push rod, a first sliding sleeve (81) sleeved on the push rod, and a handrail (3) with an end hinged to the first sliding sleeve (81), characterized in that: The folding frame further comprises a first connecting rod (71), a second connecting rod (72) and a third connecting rod (73), wherein: One end of the push rod is hinged to the frame body so as to be able to rotate around a first rotating shaft (91); two ends of the first connecting rod (71) are respectively hinged to the frame body and a second rotating shaft (92) located in the middle section of the push rod; two ends of the second connecting rod (72) are respectively hinged to the first sliding sleeve (81) and the middle section of the first connecting rod (71) so as to drive the first sliding sleeve (81) to slide along the axial direction of the push rod when the push rod rotates around the first rotating shaft (91); The two ends of the third connecting rod (73) are respectively hinged to the second rotating shaft (92) and the middle section of the handrail rod (3), so as to drive the handrail rod (3) to swing when the first sliding sleeve (81) slides; The second rotating shaft (92) is arranged between the first rotating shaft (91) and the first sliding sleeve (81), and when the first sliding sleeve (81) slides toward the first rotating shaft (91) to a preset locking position, the handrail rod (3) is locked on the push rod.

2. The folding frame according to claim 1, characterized in that: The folding frame further comprises a front wheel bracket (4) and a fourth connecting rod (74), and the frame body comprises a first connecting body (11) and a second connecting body (12), wherein: One end of the front wheel bracket (4) is hinged to the first connecting body (11) so as to be able to rotate along a third rotating shaft (93), and two ends of the fourth connecting rod (74) are respectively hinged to the second connecting body (12) and a fourth rotating shaft (94) located in the middle section of the front wheel bracket (4); The first rotating shaft (91) is arranged on the first connecting body (11), and the first connecting rod (71) is hinged to the second connecting body (12). When the push rod rotates around the first rotating shaft (91), the second connecting body (12) can drive the front wheel bracket (4) to rotate around the third rotating shaft (93).

3. The folding frame according to claim 2, characterized in that: The folding frame further comprises a pair of rear wheel rods (51) and a pair of fifth connecting rods (75), wherein: One end of a pair of rear wheel rods (51) is respectively hinged to two sides of the first connecting body (11) so as to be able to rotate along a pair of fifth rotating shafts (95) respectively, and the fifth rotating shafts (95) intersect or are not aligned with the first rotating shaft (91) so that the pair of rear wheel rods (51) can move closer to or farther away from each other; One end of a pair of the fifth connecting rods (75) is respectively hinged to the second connecting body (12), and the other end of the pair of the fifth connecting rods (75) is respectively hinged to the middle section of a pair of the rear wheel rods (51), so that when the push rod rotates around the first rotating shaft (91), the second connecting body (12) can drive the pair of rear wheel rods (51) to move closer to or away from each other.

4. The folding frame according to claim 3, characterized in that: The folding frame further comprises a pair of second sliding sleeves (82), wherein the pair of second sliding sleeves (82) are respectively sleeved on the pair of rear wheel rods (51), one end of a pair of fifth connecting rods (75) are respectively hinged to the second connecting body (12), and the other end of a pair of fifth connecting rods (75) are respectively hinged to the pair of second sliding sleeves (82), so that when the push rod rotates around the first rotating shaft (91), the pair of second sliding sleeves (82) drive the pair of rear wheel rods (51) to move closer to or farther away from each other.

5. The folding frame according to claim 2, characterized in that: The push rod comprises a front push rod (21) and a rear push rod (22), one end of the front push rod (21) is hinged to the first rotating shaft (91), and one end of the rear push rod (22) is hinged to a sixth rotating shaft (96) located at the other end of the front push rod (21); When the folding frame switches from the unfolded state to the folded state, the front push rod (21) can rotate around the first rotating shaft (91) in a direction close to the second connecting body (12), and the rear push rod (22) can rotate around the sixth rotating shaft (96) in a direction close to the handrail (3) to fold the handrail (3) and make the handrail (3) roughly parallel to the front push rod (21).

6. The folding frame according to claim 5, characterized in that: The push rod also includes a limiting portion, and when the front push rod (21) rotates around the sixth rotation axis (96) in a direction away from the handrail rod (3), the limiting portion can limit the front push rod (21) so that the front push rod (21) and the rear push rod (22) are located on the same straight line.

7. The folding frame according to claim 6, characterized in that: The push rod further comprises a locking mechanism (23), wherein the locking mechanism (23) is capable of locking the front push rod (21) and the rear push rod (22) located on the same straight line.

8. The folding frame according to claim 2, characterized in that: The folding frame also includes a seat plate (6), a sixth connecting rod (76) and a seventh connecting rod (77), wherein two ends of the sixth connecting rod (76) are respectively hinged to one side of the bottom of the seat plate (6) and the first connecting body (11), and two ends of the seventh connecting rod (77) are respectively hinged to the other side of the bottom of the seat plate (6) and the second connecting body (12), so that when the push rod rotates around the first rotating shaft (91), the second connecting body (12) can fold or unfold the seat plate (6).

9. The folding frame according to claim 8, characterized in that: One end of the seventh connecting rod (77) is hinged to the other side of the bottom of the seat plate (6), and the other end of the seventh connecting rod (77) is hinged to the fourth rotating shaft (94) located on the middle section of the front wheel bracket (4).

10. A baby stroller, characterized in that: The baby stroller comprises a folding frame as described in any one of claims 1-9.

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