Novel baby carriage structure

Abstract

The utility model discloses a novel baby carriage structure. The novel baby carriage structure comprises front trundles, rear trundles, front foot joints, a seat socket and a handle, the front foot joint comprises a front foot part, a rear foot part and an assembling part, the front caster is fixedly connected to the front foot part, and the rear caster is hinged to the rear foot part; the handle and the seat socket are hinged to the two sides of the assembling part respectively, a joint gear is arranged between the handle and the front foot joint, and a seat fixing gear is arranged between the seat socket and the front foot joint; a first clamping position and a second clamping position are arranged on the two sides of the assembling part respectively, the handle is provided with a third clamping position, and the seat socket is provided with a fourth clamping position. The joint gear, the first clamping position and the third clamping position are connected in a matched mode to control the locking state of the handle. The handle rotates at the same time to drive the seat fixing gear to move, so that the seat fixing gear, the second clamping position and the fourth clamping position are connected in a matched mode to control the locking state of the seat socket. The device has the advantages of simple structure, compact matching, reasonable design and the like; therefore, the device is a product with excellent technical and economical performance.

Description

TECHNICAL FIELD

[0001] The utility model mainly relates to a novel baby carriage structure. BACKGROUND

[0002] As a tool vehicle convenient for carrying children to travel, the baby carriage becomes the life necessities of many families and is loved by people because it can greatly reduce the burden of carrying children when people go out. However, the handle of the existing baby carriage is generally of a one-way rotation structure and cannot rotate bidirectionally, so that the state of the baby cannot be observed well and the baby carriage is not very convenient to use. In addition, the seat of the baby carriage is generally directly installed on the joint of the frame, and the frame does not have independent accessories for the seat to connect to assist the folding of the seat, so that the flexibility is poor when the baby carriage is stored. In view of the above problems, a new baby carriage structure scheme is proposed. CONTENT OF THE UTILITY MODEL

[0003] To solve at least one of the above problems, the utility model proposes a new structure scheme, and the new baby carriage structure adopts the following technical scheme.

[0004] A novel baby carriage structure, which comprises front casters, rear casters, a front joint, a seat socket and a handle. The front joint comprises a front part, a rear part and an assembly part, the front part and the rear part are forked, the front caster is fixedly connected to the front part, and the rear caster is hingedly connected to the rear part.

[0005] The handle and the seat socket are respectively hingedly connected to two sides of the assembly part, a joint gear is arranged between the handle and the front joint, and a seat fixing gear is arranged between the seat socket and the front joint.

[0006] First and second clamping positions are respectively arranged on two sides of the assembly part, the handle is provided with a third clamping position, the seat socket is provided with a fourth clamping position, the first clamping position and the third clamping position are located on the same side of the assembly part, and the second clamping position and the fourth clamping position are located on the same side of the assembly part. The handle is connected with the joint gear, the joint gear is driven to move by rotating the handle, the joint gear, the first clamping position and the third clamping position are matched and connected to control the locking state of the handle, the handle is connected with the seat fixing gear, the seat fixing gear is driven to move by simultaneously rotating the handle, and the seat fixing gear, the second clamping position and the fourth clamping position are matched and connected to control the locking state of the seat socket.

[0007] Preferably, the handle is provided with a pushing and rotating part, the seat socket is provided with a blocking part, the handle is rotated relative to the assembly part, the pushing and rotating part is rotated and connected with the blocking part, and the blocking part is rotated by pushing the pushing and rotating part to drive the seat socket to rotate.

[0008] Preferably, the assembling part is provided with a folding linkage and a seat linkage, the handle is provided with a sliding rotation assembly, the handle is connected with the joint gear through the sliding rotation assembly, the sliding rotation assembly is connected with the joint gear and the folding linkage respectively; the folding linkage is movably connected with the seat linkage, the seat linkage is connected with the seat fixed gear; the sliding rotation assembly drives the folding linkage to rotate and press the seat linkage, so that the position of the seat linkage is changed; the seat fixed gear is pushed by the displaced seat linkage, so that the seat fixed gear, the second clamping position and the fourth clamping position are connected to control the locking state of the seat socket.

[0009] Preferably, the sliding rotation assembly is provided with a first pushing surface and a second pushing surface, the joint gear is provided with a first abutting surface and a second abutting surface, the first pushing surface is connected with the first abutting surface, and the second pushing surface is connected with the second abutting surface; the first pushing surface, the second pushing surface, the first abutting surface and the second abutting surface are all inclined surfaces; the position of the joint gear is changed by the first pushing surface and the first abutting surface and the second pushing surface and the second abutting surface respectively, so that the joint gear, the first clamping position and the third clamping position are connected to control the locking state of the handle.

[0010] Preferably, the sliding rotation assembly includes a folding sliding block and a reversing sliding block, the first pushing surface is arranged on the folding sliding block, and the second pushing surface is arranged on the reversing sliding block; the joint gear is provided with a cavity, the first abutting surface and the second abutting surface are arranged in the cavity, and the teeth of the joint gear are provided with a slot for the sliding rotation assembly to extend into the cavity.

[0011] Preferably, the teeth of the joint gear are provided with a blind hole for accommodating a first spring, one end of the first spring is abutted against the handle, and the other end of the first spring is abutted against the blind hole of the joint gear, so that the displaced joint gear is reset by the first spring.

[0012] Preferably, the teeth of the seat fixed gear are provided with a blind hole for accommodating a second spring, one end of the second spring is abutted against the seat socket, and the other end of the second spring is abutted against the blind hole of the seat fixed gear, so that the displaced seat fixed gear is reset by the second spring.

[0013] Preferably, the seat linkage is provided with a first protruding base, and the first protruding base is provided with a first inclined surface; the folding linkage is provided with a second protruding base, and the second protruding base is provided with a second inclined surface; the first protruding base and the second protruding base are movably connected by the relative rotation of the seat linkage and the folding linkage, and the first inclined surface and the second inclined surface are pressed to drive the seat linkage and the folding linkage to be relatively separated.

[0014] Preferably, the seat fixed gear is provided with a cavity for accommodating the seat linkage, and the seat linkage is freely rotated in the cavity; a third spring is arranged in the cavity and connected with the seat linkage to push the seat linkage to keep connected with the folding linkage.

[0015] Preferably, the seat socket is provided with a slot, and a baby car seat is inserted into the slot, and the baby car seat rotates together with the seat socket.

[0016] The utility model discloses a novel baby carriage structure, in this structure, by controlling joint gear and first clamping position, third clamping position cooperation and connection can realize the locking state of adjustment handlebar, handlebar can rotate forward or rotate backward under handlebar unlocking state, thereby realizing bidirectional rotation.

[0017] The utility model provides a novel baby carriage structure, in this structure, by controlling joint gear and first clamping position, third clamping position cooperation and connection can realize the locking state of adjustment handlebar, handlebar can rotate forward or rotate backward under handlebar unlocking state, thereby realizing bidirectional rotation. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 A novel baby carriage structure provided in the preferred embodiment of the utility model is shown in the schematic diagram.

[0019] Figure 2 A first local partially exploded state schematic diagram of the novel baby carriage structure provided in the preferred embodiment of the utility model is shown.

[0020] Figure 3 A second local partially exploded schematic diagram of the novel baby carriage structure provided in the preferred embodiment of the utility model is shown.

[0021] Figure 4 An assembly part position component structure exploded schematic diagram provided in the preferred embodiment of the utility model is shown.

[0022] Figure 5 A handlebar, seat socket, front leg joint hinged schematic diagram provided in the preferred embodiment of the utility model is shown.

[0023] Figure 6 A handlebar local structure schematic diagram provided in the preferred embodiment of the utility model is shown.

[0024] Figure 7 A slip turn assembly schematic diagram provided in the preferred embodiment of the utility model is shown. DETAILED DESCRIPTION

[0025] The embodiments of the utility model are described in detail below, and the embodiment examples are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout.

[0026] In the description of the utility model, it is necessary to explain that, for the direction words, if the terms "center", "transverse (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate the orientation and positional relationship based on the orientation or positional relationship shown in the drawings, only for the convenience of describing the utility model and simplifying the description, and not indicating or implying that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and cannot be understood as limiting the specific protection scope of the utility model.

[0027] In addition, if the terms "first" and "second" are only used for description purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features. Therefore, the "first" and "second" features can be explicitly or implicitly included one or more features, and in the description of the utility model, the meaning of "several" is two or more than two, unless otherwise specifically limited.

[0028] In the utility model, unless otherwise specified and limited, if the terms "assembly", "connection" and "connection" are understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected; it can be directly connected, or it can be connected through an intermediate medium, and it can be connected between two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0029] In the utility model, unless otherwise specified and limited, the "upper" or "lower" of the first feature of the second feature can include the direct contact of the first and second features, or the contact of the first feature and the second feature through another feature between them. Moreover, the "upper", "lower" and "upper" of the first feature of the second feature include the vertical direction above and oblique above of the first feature of the second feature, or only indicate that the horizontal height of the first feature is higher than the height of the second feature. The "upper", "lower" and "lower" of the first feature of the second feature include the vertical direction below or oblique below of the first feature of the second feature, or only indicate that the horizontal height of the first feature is lower than the second feature.

[0030] The specific embodiments of the utility model are further described below in conjunction with the drawings of the specification, so that the technical scheme of the utility model and its beneficial effects are more clear and explicit. The embodiments described below by referring to the drawings are exemplary, and are intended to explain the utility model, and cannot be understood as limiting the utility model.

[0031] The preferred embodiment provided by the utility model:Figures 1-7 As shown, a new stroller structure, which comprises front wheels 2, rear wheels 3, front joints 4, seat sockets 5 and handlebars 6; the front joints 4 are of an integrated structure, the front joints 4 comprise front parts 41, rear parts 42 and assembly parts 43, the front parts 41 are bifurcated with the rear parts 42, the front parts 41 are provided with insertion cavities 44, the front wheels 2 are inserted into the insertion cavities 44 to be fixed to the front joints 4, the front wheels 2 are fixed to the front parts 41, and the rear wheels 3 are hinged to the rear parts 42; the seat sockets 5 are provided with insertion slots 51, the insertion slots 51 are inserted with stroller seats 1, and the stroller seats 1 rotate together with the seat sockets 5; the stroller seats can adopt the existing general insertion type folding product structure, and the stroller seats are not specifically required in the scheme.

[0032] The handlebars 6 and the seat sockets 5 are respectively hinged to both sides of the assembly parts 43, the assembly parts 43 have shaft rods 45, the handlebars 6 and the seat sockets 5 are penetrated on the shaft rods 45, and the handlebars 6 and the seat sockets 5 rotate around the shaft rods 45 as the rotation center; the handlebars 6 and the front joints 4 are provided with joint gears 7, and the seat sockets 5 and the front joints 4 are provided with seat fixing gears 8;

[0033] Both sides of the assembly parts 43 are respectively provided with first clamping positions 431 and second clamping positions 432, the handlebars 6 are provided with third clamping positions 61, the seat sockets 5 are provided with fourth clamping positions 52, the first clamping positions 431 and the third clamping positions 61 are located on the same side of the assembly parts 43, and the second clamping positions 432 and the fourth clamping positions 52 are located on the same side of the assembly parts 43; the handlebars 6 are connected with the joint gears 7, the joint gears 7 are driven to move by the handlebars 6 rotating, the joint gears 7, the first clamping positions 431 and the third clamping positions 61 are matched to control the locking state of the handlebars 6; and the handlebars 6 are connected with the seat fixing gears 8, the seat fixing gears 8 are simultaneously driven to move by the handlebars 6 rotating, the seat fixing gears 8, the second clamping positions 432 and the fourth clamping positions 52 are matched to control the locking state of the seat sockets 5.

[0034] The handlebars 6 are provided with push-turn parts 62, the seat sockets 5 are provided with blocking parts 53, the handlebars 6 rotate relative to the assembly parts 43, the push-turn parts 62 rotate and are connected with the blocking parts 53, and the blocking parts 53 are driven to rotate by the push-turn parts 62 to drive the seat sockets 5 to rotate.

[0035] The assembling part 43 is provided with a car collecting linkage 46 and a seat linkage 47, the joint gear 7, the car collecting linkage 46, the seat linkage 47, the seat fixing gear 8 are simultaneously penetrated with the shaft 45, so that each part can rotate with the shaft 45 as the rotating axis. The handle 6 is provided with a sliding rotation assembly 9, the handle 6 is connected with the joint gear 7 through the sliding rotation assembly 9, the sliding rotation assembly 9 is connected with the joint gear 7 and the car collecting linkage 46 respectively; the car collecting linkage 46 is movably connected with the seat linkage 47, the seat linkage 47 is connected with the seat fixing gear 8; the sliding rotation assembly 9 drives the car collecting linkage 46 to rotate and press the seat linkage 47 to change the position of the seat linkage 47; the displaced seat linkage 47 pushes the seat fixing gear 8, so that the seat fixing gear 8, the second clamping position 432 and the fourth clamping position 52 are connected to control the locking state of the seat socket 5.

[0036] The sliding rotation assembly 9 is provided with a first pushing surface 91 and a second pushing surface 92, the joint gear 7 is provided with a first abutting surface 71 and a second abutting surface 72, the first pushing surface 91 is connected with the first abutting surface 71, and the second pushing surface 92 is connected with the second abutting surface 72; the first pushing surface 91, the second pushing surface 92, the first abutting surface 71 and the second abutting surface 72 are all inclined surfaces; the inclination direction of the first pushing surface 91 is opposite to that of the second pushing surface 92, the inclination of the first pushing surface 91 corresponds to that of the first abutting surface 71, and the inclination of the second pushing surface 92 corresponds to that of the second abutting surface 72. The position of the joint gear 7 is changed by the first pushing surface 91 and the first abutting surface 71 and the second pushing surface 92 and the second abutting surface 72 respectively pressing, so that the joint gear 7, the first clamping position 431 and the third clamping position 61 are connected to control the locking state of the handle 6. Further, the sliding rotation assembly 9 includes a car collecting slider 93 and a reversing slider 94, the car collecting slider 93 and the reversing slider 94 are independent components, the reversing slider 94 is connected with a brake wire 95, the brake wire is penetrated into the handle, and pulling the brake wire 95 can make the reversing slider 94 move; the car collecting slider 93 is connected with the handle 6, the first pushing surface 91 is arranged on the car collecting slider 93, and the second pushing surface 92 is arranged on the reversing slider 94. The first pushing surface 91 and the second pushing surface 92 are arranged adjacent to each other, and the positions of the pushing surfaces and the abutting surfaces correspond to each other. The car collecting slider 93 is provided with a bifurcated part 96 on both sides, the first pushing surface 91 is arranged on the bifurcated part 96; the reversing slider 94 is provided with a buckling space 97, the bifurcated part 96 extends a clamping part 98, the reversing slider 94 is provided with a stepped position 99, the car collecting slider 93 is connected with the buckling space 97, so that the clamping part 98 is connected with the stepped position 99, so as to drive the reversing slider 94 to move through the car collecting slider 93.

[0037] The first push joint surface 91, the second push joint surface 92, the first abutting surface 71 and the second abutting surface 72 are all inclined surfaces; the position of the joint gear 7 is changed by extrusion of the first push joint surface 91 and the first abutting surface 71 and extrusion of the second push joint surface 92 and the second abutting surface 72, so that the joint gear 7, the first clamping position 431 and the second clamping position 432 are connected in cooperation to control the locking state of the handle 6.

[0038] The joint gear 7 is provided with a cavity 73, the first abutting surface 71 and the second abutting surface 72 are arranged in the cavity 73, the teeth of the joint gear 7 are provided with a slot 74 for the sliding assembly 9 to extend into the cavity 73 from the slot 74, and the slot 74 is arranged on one of the teeth of the joint gear 7. The teeth of the joint gear 7 are provided with a blind hole 751 for accommodating a first spring 75, and the blind hole 751 is arranged on both sides of the same end surface of the joint gear 7, so that the joint gear 7 is uniformly stressed. One end of the first spring 75 abuts against the handle 6, and the other end abuts against the blind hole of the joint gear 7, and the displaced joint gear 7 is reset by the first spring 75.

[0039] The teeth of the seat fixing gear 8 are provided with a blind hole 761 for accommodating a second spring 76, and the blind hole is arranged on both sides of the same end surface of the seat fixing gear 8, so that the joint gear 7 is uniformly stressed. One end of the second spring 76 abuts against the seat socket 5, and the other end abuts against the blind hole 761 of the seat fixing gear 8, and the displaced seat fixing gear 8 is reset by the second spring 76.

[0040] The seat linkage 47 is provided with a first boss 48, and the first boss 48 is provided with a first inclined surface 481; the car linkage 46 is provided with a second boss 49, and the second boss 49 is provided with a second inclined surface 491; the first boss 48 and the second boss 49 are movably connected by relative rotation of the seat linkage 47 and the car linkage 46, and the seat linkage 47 and the car linkage 46 are driven to separate from each other by extrusion of the first inclined surface 481 and the second inclined surface 491.

[0041] The seat fixing gear 8 is provided with a cavity 471 for accommodating the seat linkage 47, and the seat linkage 47 is connected to the shaft to rotate in the cavity 471; a third spring 472 is arranged in the cavity 471, and the third spring 472 is connected to the seat linkage 47 to push the seat linkage 47 to keep connected with the car linkage 46.

[0042] The handle reversing flow: the skid assembly 9 includes a parking slide 93 and a reversing slide 94, the parking slide 93 and the reversing slide 94 are independent components, a brake line 95 is arranged in the handle 6, the reversing slide 94 is connected with the brake line 95, and pulling the brake line can make the reversing slide 94 move; the handle 6 includes a handle joint 63 and a handle upper pipe 64, the handle joint 63 and the handle upper pipe 64 are in a plug-in structure, and the handle upper pipe 64 can move relative to the handle joint 63; the parking slide 93 has a handle rod 931, the handle rod 931 is connected with the handle upper pipe 64 to drive the parking slide 93 to move through the handle upper pipe 64. The first push interface 91 is arranged on the parking slide 93, and the second push interface 92 is arranged on the reversing slide 94. The first push interface 91 and the second push interface 92 are arranged adjacent to each other, and the positions of the push interfaces and the abutting interfaces correspond to each other. The parking slide 93 is provided with a bifurcated part 96 on both sides, and the first push interface 91 is arranged on the bifurcated part 96; the reversing slide 94 is provided with a buckling space 97, the bifurcated part 96 extends a clamping part 98, the reversing slide 94 is provided with a stepped position 99, the parking slide 93 is connected to the buckling space 97, and the clamping part 98 is connected to the stepped position 99, so that the reversing slide 94 is driven to move by the parking slide 93.

[0043] The first push interface 91, the second push interface 92, the first abutting interface 71 and the second abutting interface 72 are all inclined surfaces; the inclination angles of the first push interface 91 and the second push interface 92 are opposite to each other, the inclination angle of the first abutting interface 71 corresponds to that of the first abutting interface 71, and the inclination angle of the second push interface 92 corresponds to that of the second abutting interface 72. The positions of the joint gear 7 are changed by extrusion of the first push interface 91 and the first abutting interface 71 and extrusion of the second push interface 92 and the second abutting interface 72, so that the joint gear 7, the first clamping position 431 and the third clamping position 61 are connected in cooperation to control the locking state of the handle 6.

[0044] The handle 6 is pressed to make the parking slide 93 slide downward relative to the handle joint 63, the first push interface 91 and the first abutting interface 71 are extruded to push the joint gear 7 to move away from the third clamping position 61 and move to the first clamping position 431, at this time, the first spring 75 is pressed by the joint gear 7; at this time, the handle joint 63 and the front leg joint 4 can rotate relative to each other. When rotating to a corresponding angle, the handle 6 is released, the joint gear 7 is reset under the action of the first spring 75, the joint gear 7 also pushes the skid assembly 9 to reset at the same time, the joint gear 7 re-clamps the first clamping position 431 and the second clamping position 432, at this time, the handle joint 63 and the front leg joint 4 cannot rotate relative to each other.

[0045] Pull the brake cable 95 of the reversing slider 94, make the reversing slider 94 slide upward relative to the handle joint 63, the second push surface 92 and the second abutting surface 72 slide and extrude, thus pushing the joint gear 7 to disengage from the third clamping position 61 and move to the first clamping position 431, at this time the first spring 75 is pressed by the joint gear 7; At this time, the handle joint 63 and the front leg joint 4 can rotate relative to each other. When rotated to the corresponding angle, release the brake cable 95, the joint gear 7 is reset under the action of the first spring 75, and the joint gear 7 also pushes the sliding rotation assembly 9 to reset, and the joint gear 7 re-clamps the first clamping position 431 and the second clamping position 432 at the same time, at this time the handle joint 63 and the front leg joint 4 cannot rotate relative to each other. Therefore, when the joint gear 7 disengages from the third clamping position 61, the handle can be rotated forward or backward to realize the reversing function.

[0046] The seat socket rotation process: the front leg joint 4 is provided with a convex ring 411, the convex ring 411 and the second clamping position 432 are located on the same side of the front leg joint 4; The convex ring 411 is provided with a clamping hole 412, the seat linkage 47 is arranged in the convex ring 411, the edge of the seat linkage 47 extends out of the clamping block 413, and the clamping block 413 is connected with the clamping hole 412 to make the seat linkage 47 move in the convex ring 411; The depth of the clamping hole 412 is greater than the thickness of the clamping block 413, so as to reserve the movement space of the seat linkage 47. Due to the limitation of the clamping hole 412, when the seat linkage 47 rotates and is pressed, the seat linkage 47 cannot rotate, but can only move forward and backward along the convex ring 411 and abut with the seat fixed gear 8.

[0047] Since the seat linkage 47 is limited and cannot rotate, the first convex seat 48 arranged on the seat linkage 47 also cannot rotate; The sliding rotation assembly 9 drives the car folding linkage 46 to rotate, the car folding linkage 46 is connected with the seat linkage 47 in a staggered manner to form an idling area between the first convex seat 48 and the second convex seat 49, the idling area is the arc distance between the first convex seat and the second convex seat, and corresponds to the movement track of the second convex seat 49. The distance of the idling area is less than the rotating contact distance between the pushing rotation part 62 and the blocking part 53, the second convex seat 49 rotates with the pushing rotation part 62 when the pushing rotation part 62 rotates, the second convex seat 49 rotates to the first convex seat 48 after the idling area, at this time the pushing rotation part 62 is not in contact with the blocking part 53; When the first inclined surface 481 and the second inclined surface 491 rotate and extrude, the car folding linkage 46 and the seat linkage 47 are relatively separated, and the seat fixed gear 8 is pushed to disengage from the second clamping position 432 by the displacement of the seat linkage 47, at this time the pushing rotation part 62 is in contact with the blocking part 53, and the seat socket 5 and the front leg joint 4 are in an unlocked state, the pushing part continues to push the blocking part 53 to rotate, and further drives the seat 1 arranged on the seat socket 5 to continue to rotate and be stored.

[0048] In the description of the specification, the description of the terms "one embodiment", "preferably", "example", "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 utility model, and the illustrative description of the above terms in the specification does not necessarily mean 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.

[0049] Through the description of the structure and principle above, those skilled in the art should understand that the utility model is not limited to the specific embodiments described above, and improvements and replacements of the technology known in the art based on the utility model all fall within the protection scope of the utility model, which should be limited by the claims.

Claims

1. A novel stroller structure, characterized in that: It includes a front caster, a rear caster, a front foot joint, a seat socket, and a handle; the front foot joint includes a front foot, a rear foot, and an assembly part, with the front foot and rear foot being bifurcated, the front caster being fixed to the front foot, and the rear caster being hinged to the rear foot. The handle and seat socket are respectively hinged to both sides of the assembly part. A joint gear is provided between the handle and the front foot joint, and a seat fixing gear is provided between the seat socket and the front foot joint. The assembly section has a first locking position and a second locking position on each side, a third locking position on the handle, and a fourth locking position on the seat socket. The first and third locking positions are located on the same side of the assembly section, as are the second and fourth locking positions. The handle is connected to a joint gear, and rotating the handle drives the joint gear to move, causing the joint gear, the first locking position, and the third locking position to engage and control the locking state of the handle. The handle is also connected to the seat fixing gear, and rotating the handle simultaneously drives the seat fixing gear to move, causing the seat fixing gear, the second locking position, and the fourth locking position to engage and control the locking state of the seat socket.

2. The novel stroller structure according to claim 1, characterized in that: The handle is provided with a push-rotating part, and the seat socket is provided with a blocking part. The handle rotates relative to the assembly part, causing the push-rotating part to rotate and connect with the blocking part, and the push-rotating part pushes the blocking part to rotate, thereby driving the seat socket to rotate.

3. The novel stroller structure according to claim 1, characterized in that: The assembly section is equipped with a folding linkage and a seat linkage. The handlebar is equipped with a sliding assembly, which connects to the joint gear. The sliding assembly connects the joint gear and the folding linkage respectively. The folding linkage is movably connected to the seat linkage, and the seat linkage is connected to the seat fixing gear. The sliding assembly rotates the folding linkage, causing the folding linkage and the seat linkage to rotate and press, changing the position of the seat linkage. The displaced seat linkage pushes the seat fixing gear, causing the seat fixing gear, the second locking position, and the fourth locking position to engage and control the locking state of the seat socket.

4. The novel stroller structure according to claim 3, characterized in that: The sliding assembly has a first pushing surface and a second pushing surface, and the joint gear has a first abutting surface and a second abutting surface. The first pushing surface is in contact with the first abutting surface, and the second pushing surface is in contact with the second abutting surface. The first pushing surface, the second pushing surface, the first abutting surface, and the second abutting surface are all inclined surfaces. The position of the joint gear is changed by pressing the first pushing surface against the first abutting surface and the second pushing surface against the second abutting surface, so that the joint gear, the first locking position, and the third locking position are engaged to control the locking state of the handle.

5. The novel stroller structure according to claim 4, characterized in that: The sliding assembly includes a retracting slider and a reversing slider. A first pushing surface is provided on the retracting slider, and a second pushing surface is provided on the reversing slider. The spherical gear has a cavity, and a first abutting surface and a second abutting surface are provided in the cavity. The teeth of the spherical gear have slots so that the sliding assembly can extend into the cavity from the slots.

6. The novel stroller structure according to claim 1, characterized in that: The teeth of the spur gear have blind holes to accommodate the first spring. One end of the first spring abuts against the handle, and the other end abuts against the blind hole of the spur gear. The displaced spur gear is reset by the first spring.

7. The novel stroller structure according to claim 1, characterized in that: The teeth of the seat fixing gear have blind holes to accommodate the second spring. One end of the second spring abuts against the seat socket, and the other end abuts against the blind hole of the seat fixing gear. The displaced seat fixing gear is reset by the second spring.

8. The novel stroller structure according to claim 3, characterized in that: The seat linkage is provided with a first protrusion, and the first protrusion is provided with a first inclined surface; the retraction linkage is provided with a second protrusion, and the second protrusion is provided with a second inclined surface; the seat linkage and the retraction linkage rotate relative to each other to make the first protrusion and the second protrusion movably connect, and the seat linkage and the retraction linkage are driven to separate relative to each other by the first inclined surface and the second inclined surface pressing against each other.

9. The novel stroller structure according to claim 1, characterized in that: The seat fixing gear has a cavity for housing the seat linkage component, which rotates freely in the cavity; a third spring is provided in the cavity, which is connected to the seat linkage component to push the seat linkage component to maintain its connection with the retraction linkage component.

10. The novel stroller structure according to claim 1, characterized in that: The seat socket has a slot into which a stroller seat is inserted, and the stroller seat rotates together with the seat socket.

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