A stroller and a rotating handle assembly thereof

Abstract

The present application discloses a baby stroller and a rotating handle assembly thereof, wherein a first rotating part of the rotating handle assembly is arranged to be rotationally connected relative to a handle sleeve; a second rotating part is arranged to be rotationally connected relative to the first rotating part; a first actuating mechanism is arranged to convert rotation of the first rotating part into linear movement, and the first actuating mechanism is connected to a first pull wire; a second actuating mechanism is arranged to convert rotation of the second rotating part into linear movement, and the second actuating mechanism is connected to a second pull wire; when a limiting part is located at a first position, rotation of the second rotating part is limited and rotation of the first rotating part is allowed; when the limiting part is located at a second position, rotation of the first rotating part is limited and rotation of the second rotating part is allowed. The present application effectively avoids mis-triggering to realize another function when one of the functions of length adjustment of a handle support and folding of a front wheel support and a rear wheel support is realized, thereby avoiding use danger.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of baby strollers, in particular to a baby stroller and a rotating handle assembly thereof. BACKGROUND

[0002] The baby stroller mainly comprises a support and a seat component, the seat component is assembled on the support, the support mainly comprises a front wheel support, a rear wheel support and a handle support, the front wheel support and the rear wheel support are respectively provided with front wheels and rear wheels, wherein the handle support is length-adjustably arranged and fixed at different length positions by a fixing mechanism, the fixing mechanism mainly comprises a locking pin and a positioning hole matched with each other; the front wheel support and the rear wheel support are foldably arranged and kept in an open state by a locking mechanism, the locking mechanism mainly comprises a clutch.

[0003] In order to realize the length adjustment function of the handle support and the folding function of the front wheel support and the rear wheel support, an actuating mechanism is arranged on the handle support, the actuating mechanism is connected with the fixing mechanism to release the fixing and realize the length adjustment of the handle support, or the actuating mechanism is connected with the locking mechanism to release the locking and realize the folding of the front wheel support and the rear wheel support; in the prior art, a single actuating mechanism is connected with the fixing mechanism and the locking mechanism respectively to realize the length adjustment function of the handle support and the folding function of the front wheel support and the rear wheel support respectively, or two sets of actuating mechanisms are connected with the fixing mechanism and the locking mechanism respectively to realize the length adjustment function of the handle support and the folding function of the front wheel support and the rear wheel support respectively; however, when one of the functions is to be realized, the other function may be triggered, and the triggered function may be dangerous, for example, when the length adjustment function of the handle support is to be realized, the folding function of the front wheel support and the rear wheel support is triggered by mistake, which is dangerous when the baby stroller is in use. SUMMARY

[0004] The present application aims to solve at least one of the above technical problems. To this end, one object of the present application is to provide a rotating handle assembly of a baby stroller, so that when one of the length adjustment function of the handle support and the folding function of the front wheel support and the rear wheel support is to be realized, the other function is effectively avoided from being triggered by mistake, thereby avoiding the danger in use.

[0005] A second object of the present application is to provide a baby stroller.

[0006] To achieve the above object, the first aspect of the present application provides a rotating handle assembly of a baby stroller, comprising:

[0007] a handle sleeve;

[0008] a first rotating component, which is arranged to be rotationally connected with the handle sleeve;

[0009] a second rotating component, which is arranged to be rotationally connected relative to the first rotating component;

[0010] a first actuating mechanism, which is arranged to convert rotation of the first rotating component into linear movement, and which is connected to a first pull wire;

[0011] a second actuating mechanism, which is arranged to convert rotation of the second rotating component into linear movement, and which is connected to a second pull wire;

[0012] a limiting member, which, when in a first position, limits rotation of the second rotating component while allowing rotation of the first rotating component, and which, when in a second position, limits rotation of the first rotating component while allowing rotation of the second rotating component.

[0013] The rotating handle assembly of the baby stroller according to the embodiment of the present application, because the limiting member, when in the first position, limits rotation of the second rotating component while allowing rotation of the first rotating component, and when in the second position, limits rotation of the first rotating component while allowing rotation of the second rotating component, i.e. the limiting member selectively limits rotation of the first rotating component and the second rotating component, and rotation of the first rotating component drives the first actuating mechanism to move together with the first pull wire, and rotation of the second rotating component drives the second actuating mechanism to move together with the second pull wire, wherein the first pull wire is connected to a fixing mechanism that realizes a length adjustment function of a handle support, and the second pull wire is connected to a locking mechanism that realizes a folding function of a front wheel support and a rear wheel support, therefore, the length adjustment function of the handle support and the folding function of the front wheel support and the rear wheel support are selectively realized, and when one of the functions is realized, the other function is effectively avoided from being triggered by mistake, thereby avoiding use danger.

[0014] In addition, the rotating handle assembly of the baby stroller according to the above-mentioned embodiment of the present application can also have the following additional technical features:

[0015] Optionally, the limiting member comprises a sliding block arranged to slide in a radial direction in the handle sleeve, a first limiting groove arranged on the first rotating component and adapted to limit the sliding block, a displacement groove adapted to displacement of the sliding block, and a second limiting groove arranged on the second rotating component and adapted to limit the sliding block; when the sliding block is in the first limiting groove, rotation of the first rotating component is limited while rotation of the second rotating component is allowed, and when the sliding block is in the second limiting groove, rotation of the second rotating component is limited while the sliding block slides into the displacement groove and rotation of the first rotating component is allowed.

[0016] Specifically, the sliding block has a narrow part and a wide part at one end of the narrow part, the narrow part is adapted to move in the accommodation slot, and the wide part is adapted to the first limiting slot and the second limiting slot to limit the rotation of the first rotating part and the second rotating part.

[0017] Specifically, the limiting part further comprises a base and a compression elastic part, the base is arranged in the handle sleeve, the sliding block is arranged in the base, and one end of the compression elastic part abuts against the base and the other end abuts against the sliding block.

[0018] Further, the limiting part further comprises a button, the button is movably arranged on the second rotating part and located at the position of the second limiting slot, and the button has an abutting part adapted to abut against the sliding block.

[0019] Optionally, the first actuating mechanism comprises a first inclined slot arranged on the inner side wall of the first rotating part and a first sliding rod arranged on the handle sleeve in the axial direction, the first sliding rod is adapted to slide in the first inclined slot, the first inclined slot drives the first sliding rod to move when the first rotating part is rotated, and the first sliding rod is connected with the first pull wire.

[0020] Specifically, the second actuating mechanism comprises a second inclined slot arranged on the inner side wall of the second rotating part and a second sliding rod arranged on the handle sleeve in the axial direction, the second sliding rod is adapted to slide in the second inclined slot, the second inclined slot drives the second sliding rod to move when the second rotating part is rotated, and the second sliding rod is connected with the second pull wire.

[0021] Further, the handle sleeve is provided with a first sliding groove and a second sliding groove in the axial direction, the first sliding rod is adapted to slide in the first sliding groove and protrude from the handle sleeve, and the second sliding rod is adapted to slide in the second sliding groove and protrude from the handle sleeve.

[0022] Further, the handle sleeve is provided with a first driven block and a second driven block in the axial direction, the first driven block is connected with the first pull wire, the first sliding rod is arranged on the first driven block, the second driven block is connected with the second pull wire, the second sliding rod is arranged on the second driven block, and the second driven block is provided with a sliding accommodation slot for the first sliding rod to slide.

[0023] To achieve the above object, a second aspect embodiment of the present application provides an infant stroller comprising the rotating handle assembly.

[0024] According to an embodiment of the present invention, a baby stroller includes a rotating handle assembly. When a limiting member is in a first position, it restricts the rotation of a second rotating component while allowing the rotation of a first rotating component; when the limiting member is in a second position, it restricts the rotation of the first rotating component while allowing the rotation of the second rotating component. That is, the limiting member selectively restricts the rotation of either the first or the second rotating component. Rotating the first rotating component drives a first actuation mechanism to move along with a first pull cable, and rotating the second rotating component drives a second actuation mechanism to move along with a second pull cable. The first pull cable is connected to a fixing mechanism that realizes the handle support length adjustment function, and the second pull cable is connected to a locking mechanism that realizes the folding function of the front wheel support and the rear wheel support. Therefore, by selectively realizing either the handle support length adjustment function or the folding function of the front wheel support and the rear wheel support, the accidental triggering of the other function is effectively avoided, thereby avoiding the danger of use. Attached Figure Description

[0025] Figure 1 This is a perspective view of the rotating handle assembly according to an embodiment of the present invention;

[0026] Figure 2 This is an exploded perspective view of the rotating handle assembly according to an embodiment of the present invention;

[0027] Figure 3 This is a partial exploded perspective view of the rotating handle assembly according to an embodiment of the present invention;

[0028] Figure 4 This is a schematic diagram of the structure of the first rotating component according to an embodiment of the present invention;

[0029] Figure 5 This is a schematic diagram of the assembly of the first rotating component and the handle sleeve in an embodiment of the present invention;

[0030] Figure 6 This is a schematic diagram of the structure of the second rotating component according to an embodiment of the present invention;

[0031] Figure 7 This is a schematic diagram of the assembly of the second rotating component and the first rotating component according to an embodiment of the present invention;

[0032] Figure 8 This is a side view of the rotating handle assembly according to an embodiment of the present invention;

[0033] Figure 8a for Figure 8 A sectional view along the AA direction;

[0034] Figure 8b for Figure 8 Cross-sectional view along the BB direction;

[0035] Figure 8c for Figure 8Side view of the rotating handle assembly in the embodiment of the present application after the first rotating part is rotated;

[0036] Figure 8d Side view of the rotating handle assembly in the embodiment of the present application after the second rotating part is rotated; Figure 8 Side view of the rotating handle assembly in the embodiment of the present application after the second rotating part is rotated;

[0037] Figure 9 Side view of the rotating handle assembly in the embodiment of the present application after the first rotating part is rotated;

[0038] Figure 9a Side view of the rotating handle assembly in the embodiment of the present application after the first rotating part is rotated; Figure 9 Side view of the rotating handle assembly in the embodiment of the present application after the first rotating part is rotated;

[0039] Figure 9b Side view of the rotating handle assembly in the embodiment of the present application after the first rotating part is rotated; Figure 9 Side view of the rotating handle assembly in the embodiment of the present application after the first rotating part is rotated;

[0040] Figure 9c Side view of the rotating handle assembly in the embodiment of the present application after the first rotating part is rotated;

[0041] Figure 10 Side view of the rotating handle assembly in the embodiment of the present application after the second rotating part is rotated;

[0042] Figure 10a Side view of the rotating handle assembly in the embodiment of the present application after the second rotating part is rotated; Figure 10 Side view of the rotating handle assembly in the embodiment of the present application after the second rotating part is rotated;

[0043] Figure 10b Side view of the rotating handle assembly in the embodiment of the present application after the second rotating part is rotated; Figure 10 Side view of the rotating handle assembly in the embodiment of the present application after the second rotating part is rotated;

[0044] Figure 10c Side view of the rotating handle assembly in the embodiment of the present application after the second rotating part is rotated;

[0045] Figure 11 Structure diagram of the stroller in the embodiment of the present application.

[0046] Explanation of reference numerals

[0047] Handle sleeve 1, first sliding groove 11, second sliding groove 12, first driven block 13, second driven block 14, sliding accommodation groove 141; first rotating part 2, circumferential accommodation groove 21, first rotating limiting member 22; second rotating part 3, second rotating limiting member 31; first actuating mechanism 4, first inclined groove 41, first sliding rod 42; second actuating mechanism 5, second inclined groove 51, second sliding rod 52; limiting member 6, sliding block 61, narrow part 611, wide part 612, first limiting groove 62, accommodation groove 63, second limiting groove 64, base 65, compression elastic member 66, button 67; first pull wire 7; second pull wire 8. DETAILED DESCRIPTION

[0048] Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, and should not be construed as limiting the present invention.

[0049] In this invention, when the limiting member is in the first position, it restricts the rotation of the second rotating component while allowing the rotation of the first rotating component; when the limiting member is in the second position, it restricts the rotation of the first rotating component while allowing the rotation of the second rotating component. That is, the limiting member selectively restricts the rotation of either the first or second rotating component. Rotating the first rotating component drives the first actuation mechanism, along with the first pull cable, to move; rotating the second rotating component drives the second actuation mechanism, along with the second pull cable, to move. The first pull cable connects to a fixing mechanism that adjusts the length of the handlebar bracket, and the second pull cable connects to a locking mechanism that folds the front and rear wheel brackets. Therefore, by selectively implementing either the handlebar bracket length adjustment function or the front and rear wheel bracket folding function, the invention effectively avoids accidental triggering of the other function, thus preventing potential dangers during use.

[0050] To better understand the above technical solutions, exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present invention are shown in the drawings, it should be understood that the present invention can be implemented in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided to enable a more thorough understanding of the present invention and to fully convey the scope of the invention to those skilled in the art.

[0051] To better understand the above technical solutions, the following will provide a detailed explanation of the technical solutions in conjunction with the accompanying drawings and specific implementation methods.

[0052] like Figures 1 to 11 As shown, a rotating handle assembly for a baby stroller according to an embodiment of the present invention includes a handle tube 1, a first rotating component 2, a second rotating component 3, a first actuation mechanism 4, a second actuation mechanism 5, and a limiting component 6.

[0053] The glove tube 1 is generally U-shaped, including a base and side portions connected to both sides of the base. The base is suitable for mounting the first rotating component 2 and the second rotating component 3. The lengths of the two side portions of the glove tube 1 are adjustable.

[0054] The first rotating component 2 is configured to rotate relative to the handlebar sleeve 1. The first rotating component 2 is sleeved on the handlebar sleeve 1 and has a cutout to create clearance. For easy assembly, the first rotating component 2 is formed by two semi-circular parts that interlock and can be connected by snap-fit.

[0055] The second rotating component 3 is arranged to be rotationally connected with respect to the first rotating component 2; the second rotating component 3 is sleeved on the first rotating component 2. Also, for the convenience of assembly, the second rotating component 3 is formed by two semicircular parts buckling with each other, which can be connected by a buckle.

[0056] The first actuating mechanism 4 is arranged to convert the rotation of the first rotating component 2 into linear movement, and the first actuating mechanism 4 is connected with the first pull wire 7. Optionally, the first actuating mechanism 4 comprises a first inclined groove 41 arranged on the inner side wall of the first rotating component 2, a first sliding rod 42 arranged on the handle sleeve 1 in the axial direction, the first sliding rod 42 is adapted to slide in the first inclined groove 41, the first sliding rod 42 is driven to move by the first inclined groove 41 when the first rotating component 2 is rotated, the first sliding rod 42 moves linearly along the handle sleeve 1, and the first sliding rod 42 is connected with the first pull wire 7, so that the rotation of the first rotating component 2 is converted into the linear movement of the first pull wire 7. The first pull wire 7 is connected with the fixed mechanism of the length adjustment function of the handle support, and the fixed mechanism mainly comprises the cooperation of the locking pin and the positioning hole. The structure for realizing the length adjustment function of the handle support can be the prior art, and thus will not be described here.

[0057] The second actuating mechanism 5 is arranged to convert the rotation of the second rotating component 3 into linear movement, and the second actuating mechanism 5 is connected with the second pull wire 8. Optionally, the second actuating mechanism 5 comprises a second inclined groove 51 arranged on the inner side wall of the second rotating component 3, a second sliding rod 52 arranged on the handle sleeve 1 in the axial direction, the second sliding rod 52 is adapted to slide in the second inclined groove 51, the second sliding rod 52 is driven to move by the second inclined groove 51 when the second rotating component 3 is rotated, the second sliding rod 52 moves linearly along the handle sleeve 1, and the second sliding rod 52 is connected with the second pull wire 8, so that the rotation of the second rotating component 3 is converted into the linear movement of the second pull wire 8. The second sliding rod 52 is adapted to slide in the second inclined groove 51 arranged on the inner side wall of the second rotating component 3, and a circumferential accommodation groove 21 is arranged on the first rotating component 2 in the circumferential direction to allow the second sliding rod 52 to rotate, as shown in Figure 5 .

[0058] Since the handle sleeve 1 is generally U-shaped, and since the stroller frame body is arranged in a symmetrical structure, the first actuating mechanism 4 and the second actuating mechanism 5 are arranged in a pair, and correspondingly, the first pull wire 7 and the second pull wire 8 are also arranged in a pair.

[0059] Further, the glove tube 1 is provided with a first sliding groove 11 and a second sliding groove 12 in the axial direction, the first sliding rod 42 is adapted to slide in the first sliding groove 11 and protrude from the glove tube 1, the protruding part slides in the first inclined groove 41, the second sliding rod 52 is adapted to slide in the second sliding groove 12 and protrude from the glove tube 1, the protruding part slides in the second inclined groove 51. Specifically, one end of the first sliding rod 42 protrudes from the glove tube 1 and slides in the first inclined groove 41, the other end of the first sliding rod 42 also protrudes from the glove tube 1, the inner side wall of the first rotating part 2 is provided with a first rotation limiting part 22, which can be a semicircular groove, the first rotation limiting part 22 is located on the side of the other end of the first sliding rod 42, limiting the reverse rotation of the first rotating part 2, when the first rotating part 2 rotates reversely, the first sliding rod 42 interferes with the first rotation limiting part 22, that is, only one end of the first sliding rod 42 can slide in the first inclined groove 41, but cannot move away from the first inclined groove 41. One end of the second sliding rod 52 protrudes from the glove tube 1 and slides in the second inclined groove 51, the other end of the second sliding rod 52 also protrudes from the glove tube 1, the inner side wall of the second rotating part 3 is provided with a second rotation limiting part 31, which can be a semicircular groove, the second rotation limiting part 31 is located on the side of the other end of the second sliding rod 52, limiting the reverse rotation of the second rotating part 3, when the second rotating part 3 rotates reversely, the second sliding rod 52 interferes with the second rotation limiting part 31, that is, only one end of the second sliding rod 52 can slide in the second inclined groove 51, but cannot move away from the second inclined groove 51.

[0060] The first driven block 13 and the second driven block 14 are slidably arranged in the glove tube 1, the first driven block 13 is connected with the first pull wire 7, the first sliding rod 42 is arranged on the first driven block 13, the second driven block 14 is connected with the second pull wire 8, the second sliding rod 52 is arranged on the second driven block 14, and the second driven block 14 is provided with a sliding accommodation slot 141 for the first sliding rod 42.

[0061] When the limiting part 6 is located at the first position, the rotation of the second rotating part 3 is limited and the rotation of the first rotating part 2 is allowed; when the limiting part 6 is located at the second position, the rotation of the first rotating part 2 is limited and the rotation of the second rotating part 3 is allowed.

[0062] Optionally, the limiting member 6 comprises a sliding block 61 arranged in the handle sleeve 1 to slide in the radial direction, a first limiting slot 62 arranged on the first rotating part 2 and adapted to limit the sliding block 61, a displacement slot 63 adapted to the displacement of the sliding block 61, and a second limiting slot 64 arranged on the second rotating part 3 and adapted to limit the sliding block 61; the first limiting slot 62 is communicated with the displacement slot 63, when the sliding block 61 is located in the first limiting slot 62, the first rotating part 2 is limited to rotate and the second rotating part 3 is allowed to rotate, when the sliding block 61 is located in the second limiting slot 64, the second rotating part 3 is limited to rotate and the sliding block 61 slides into the displacement slot 63 to allow the first rotating part 2 to rotate.

[0063] Specifically, the sliding block 61 has a narrow portion 611 and a wide portion 612 located at one end of the narrow portion 611, the dimension of the wide portion 612 in the radial direction is greater than that of the narrow portion 611 in the radial direction, the narrow portion 611 can slide in the displacement slot 63 arranged on the first rotating part 2 while the wide portion 612 cannot, that is, the narrow portion 611 is adapted to move in the displacement slot 63, and the wide portion 612 is adapted to the first limiting slot 62 and the second limiting slot 64 to limit the rotation of the first rotating part 2 and the second rotating part 3. When the wide portion 612 is located in the first limiting slot 62, the first rotating part 2 is limited to rotate, and when the wide portion 612 is located in the second limiting slot 64, the second rotating part 3 is limited to rotate.

[0064] The limiting member 6 further comprises a base 65, a compression elastic member 66, and a button 67, the base 65 is arranged in the handle sleeve 1, the sliding block 61 is arranged in the base 65, one end of the compression elastic member 66 abuts against the base 65 and the other end abuts against the sliding block 61. The compression elastic member 66 can be a compression spring. The button 67 is movably arranged on the second rotating part 3 and located at the position of the second limiting slot 64, and has an abutting portion adapted to abut against the sliding block 61.

[0065] In the initial state, under the action of the compression elastic member 66, the wide portion 612 of the sliding block 61 is located in the second limiting slot 64 arranged on the second rotating part 3 to limit the rotation of the second rotating part 3, at this time, the narrow portion 611 of the sliding block 61 is located in the first limiting slot 62 arranged on the first rotating part 2, the first rotating part 2 is rotated, and the narrow portion 611 of the sliding block 61 slides into the displacement slot 63 arranged on the first rotating part 2. When the button 67 is pressed, the sliding block 61 moves in the radial direction of the handle sleeve 1, the wide portion 612 of the sliding block 61 is located in the first limiting slot 62 arranged on the first rotating part 2 to limit the rotation of the first rotating part 2, at this time, the second rotating part 3 is allowed to rotate without the limitation of the sliding block 61.

[0066] As Figures 9a to 9cAs shown, when the first rotating part 2 is rotated, the wide part 612 of the sliding block 61 is located in the second limiting slot 64 arranged on the second rotating part 3, the rotation of the second rotating part 3 is limited, the narrow part 611 of the sliding block 61 slides into the accommodation slot 63 arranged on the first rotating part 2, the first inclined slot 41 arranged on the first rotating part 2 drives the first sliding rod 42 to move along the axial direction of the first sliding slot 11 on the handle sleeve 1, and the first sliding rod 42 is connected with the first pull wire 7 to drive the first pull wire 7 to move.

[0067] As shown, Figures 10a to 10c As shown, when the second rotating part 3 is rotated, the wide part 612 of the sliding block 61 is located in the first limiting slot 62 arranged on the first rotating part 2, the rotation of the first rotating part 2 is limited, the second inclined slot 51 arranged on the second rotating part 3 drives the second sliding rod 52 to move along the axial direction of the second sliding slot 12 on the handle sleeve 1, and the second sliding rod 52 is connected with the second pull wire 8 to drive the second pull wire 8 to move.

[0068] The rotating handle assembly of the present application allows the first rotating part 2 to rotate when the limiting part 6 is located at the first position and the rotation of the second rotating part 3 is limited, and allows the second rotating part 3 to rotate when the limiting part 6 is located at the second position and the rotation of the first rotating part 2 is limited, that is, the limiting part 6 selectively limits the rotation of the first rotating part 2 and the second rotating part 3, and the rotation of the first rotating part 2 drives the first actuating mechanism 4 and the first pull wire 7 to move, and the rotation of the second rotating part 3 drives the second actuating mechanism 5 and the second pull wire 8 to move, wherein the first pull wire 7 is connected with a fixing mechanism for realizing the length adjustment function of the handle support, and the second pull wire 8 is connected with a locking mechanism for realizing the folding function of the front wheel support and the rear wheel support, so that the length adjustment function of the handle support and the folding function of the front wheel support and the rear wheel support are selectively realized, and when one of the functions is realized, the other function is effectively avoided from being triggered by mistake, thereby avoiding the use danger.

[0069] As shown, Figures 1 to 11 As shown, the baby stroller of the embodiment of the present application comprises a front wheel support, a rear wheel support and a handle support, and corresponding front wheels and rear wheels are arranged on the front wheel support and the rear wheel support, wherein the handle support is arranged in a length-adjustable manner and is fixed at different length positions by a fixing mechanism mainly comprising the cooperation of a locking pin and a positioning hole; the front wheel support and the rear wheel support are arranged in a foldable manner and are kept in an open state by a locking mechanism mainly comprising a clutch. Figure 11 As shown,

[0070] The stroller of the present application allows the first rotating part 2 to rotate while limiting the rotation of the second rotating part 3 when the limiting part 6 is in the first position, and allows the second rotating part 3 to rotate while limiting the rotation of the first rotating part 2 when the limiting part 6 is in the second position, that is, the limiting part 6 selectively limits the rotation of the first rotating part 2 and the second rotating part 3, and rotating the first rotating part 2 drives the first actuating mechanism 4 to move together with the first pull wire 7, and rotating the second rotating part 3 drives the second actuating mechanism 5 to move together with the second pull wire 8, wherein the first pull wire 7 is connected to the fixed mechanism for realizing the handle support length adjustment function, and the second pull wire 8 is connected to the locking mechanism for realizing the folding function of the front wheel support and the rear wheel support, therefore, the handle support length adjustment function and the folding function of the front wheel support and the rear wheel support are selectively realized, and when one of the functions is realized, the other function is effectively avoided from being triggered by mistake, thereby avoiding the use danger.

[0071] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate the orientation or positional relationship shown in the drawings, which are only for the convenience of describing the present application and simplifying the description, 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 of the present application.

[0072] In addition, the terms "first" and "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise specifically limited.

[0073] In the present application, unless otherwise specifically defined and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be broadly understood, 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 communication 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.

[0074] In the present application, unless specifically defined and limited otherwise, the "on" or "under" of a first feature to a second feature can include that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the "on", "above" and "under" of a first feature to a second feature include that the first feature is directly above and obliquely above the second feature, or only means that the first feature is higher than the second feature in horizontal height. The "under", "below" and "under" of a first feature to a second feature include that the first feature is directly below and obliquely below the second feature, or only means that the first feature is lower than the second feature in horizontal height.

[0075] In the description of the specification, the description of the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the specification, the illustrative description of the above terms should not be understood as necessarily referring to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and integrate different embodiments or examples described in the specification.

[0076] Although the embodiments of the present application have been shown and described above, it is understood that the above-described embodiments are exemplary and should not be construed as limiting the present application, and those skilled in the art can make changes, modifications, replacements and variations to the above-described embodiments within the scope of the present application.

Claims

1. A swivel handle assembly for a stroller, comprising: The handle sleeve; The first rotating part is arranged to be rotationally connected relative to the handle sleeve; The second rotating part is arranged to be rotationally connected relative to the first rotating part; The first actuating mechanism is arranged to convert the rotation of the first rotating part into linear movement, and is connected to the first pull wire; The second actuating mechanism is arranged to convert the rotation of the second rotating part into linear movement, and is connected to the second pull wire; The limiting part is located in a first position, limiting the rotation of the second rotating part while allowing the rotation of the first rotating part; and is located in a second position, limiting the rotation of the first rotating part while allowing the rotation of the second rotating part; The limiting part includes a sliding block arranged to slide in the handle sleeve in the radial direction, a first limiting groove arranged on the first rotating part and adapted to limit the sliding block, a displacement groove adapted for displacement of the sliding block, and a second limiting groove arranged on the second rotating part and adapted to limit the sliding block; when the sliding block is located in the first limiting groove, the rotation of the first rotating part is limited while the rotation of the second rotating part is allowed; and when the sliding block is located in the second limiting groove, the rotation of the second rotating part is limited while the sliding block slides into the displacement groove, thereby allowing the rotation of the first rotating part. The sliding block has a narrow portion and a wide portion located at one end of the narrow portion, the narrow portion is adapted to move in the displacement groove, and the wide portion is adapted to the first limiting groove and the second limiting groove to limit the rotation of the first rotating part and the second rotating part.

2. A swivel handle assembly for a stroller as defined in claim 1, wherein, The limiting part further includes a base arranged in the handle sleeve, the sliding block is arranged in the base, and a compression elastic member abuts against one end of the base and the other end of the base.

3. A swivel handle assembly for a stroller as defined in claim 2, wherein, The limiting part further includes a button movably arranged on the second rotating part and located in the position of the second limiting groove, and having an abutting portion adapted to abut against the sliding block.

4. A swivel handle assembly for a stroller as defined in claim 3, wherein, The first actuating mechanism includes a first inclined groove arranged on the inner side wall of the first rotating part, and a first sliding rod arranged to slide on the handle sleeve in the axial direction, the first sliding rod is adapted to slide in the first inclined groove, the first sliding rod is driven to move by the first inclined groove when the first rotating part is rotated, and the first sliding rod is connected to the first pull wire.

5. A swivel handle assembly for a stroller as defined in claim 1, wherein, The second actuating mechanism includes a second inclined groove arranged on the inner side wall of the second rotating part, and a second sliding rod arranged to slide on the handle sleeve in the axial direction, the second sliding rod is adapted to slide in the second inclined groove, the second sliding rod is driven to move by the second inclined groove when the second rotating part is rotated, and the second sliding rod is connected to the second pull wire.

6. A swivel handle assembly for a baby stroller as defined in claim 5, wherein, The handle sleeve is provided with a first sliding groove and a second sliding groove in the axial direction, the first sliding rod is adapted to slide in the first sliding groove and protrude from the handle sleeve, and the second sliding rod is adapted to slide in the second sliding groove and protrude from the handle sleeve.

7. A swivel handle assembly for a baby stroller as defined in claim 6, wherein, ​ 8. A swivel handle assembly for a stroller as defined in claim 6, wherein, The handle sleeve is slidably provided with a first driven block and a second driven block, the first driven block is connected with a first pull wire, the first driven block is provided with the first sliding rod, the second driven block is connected with a second pull wire, the second driven block is provided with the second sliding rod, and the second driven block is provided with a sliding accommodation slot for the first sliding rod.

9. A stroller, characterized in that A rotary handle assembly as claimed in any one of claims 1 to 8.

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