Baby carriage
By designing a baby stroller with two driving modes: sitting and standing and standing, and using the movable connection components to achieve state switching, the problem of the existing baby stroller's single function is solved, and children's driving fun and control training effects are increased.
Patent Information
- Application Number
- CN202411011042.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-26
- Publication Date
- 2024-12-24
AI Technical Summary
The existing children's stroller has a single function, which causes children to lose interest after driving for a period of time and cannot continue to exercise their control and balance abilities, resulting in idle equipment.
A baby stroller is designed, with a first state and a second state, the front wheel assembly and the rear wheel assembly support the ground in different states, providing two driving modes: sitting and standing and standing, and realizing state switching through the movable connection component.
It increases the fun and functional diversity of children's strollers, meets children's different driving needs, and improves the effectiveness of children's manipulation and balance training.
Smart Images
Figure CN119176204A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to a baby carriage. Background Art
[0002] As a common children's riding toy, baby carriages can exercise children's control and balance abilities and are deeply loved by parents and children. However, most existing baby carriages have single functions and usually only have one driving mode. Children will lose interest in the carriage after driving it for a period of time and no longer use it. Not only do their abilities not get exercised, but the carriages are also left idle, causing great waste. Summary of the invention
[0003] The purpose of the present invention is to provide a new baby carriage.
[0004] To achieve the above-mentioned purpose, the technical solution adopted by the present invention is: a baby carriage, comprising a front frame, a rear frame, a connecting assembly, a front wheel assembly and a rear wheel assembly, the front wheel assembly being arranged at the lower part of the front frame, the rear wheel assembly being arranged at the lower part of the rear frame, the connecting assembly being connected between the front frame and the rear frame, the baby carriage having a first state and a second state, when the baby carriage is in the first state, the front wheel assembly and the rear wheel assembly are jointly supported on the ground; when the baby carriage is in the second state, the baby carriage is supported on the ground by the rear wheel assembly.
[0005] In some embodiments, the connecting assembly is movably connected between the front frame and the rear frame, and when the baby carriage is in a first state, the front frame and the rear frame have a first spacing along the front-to-back direction; when the baby carriage is in a second state, the front frame and the rear frame have a second spacing along the front-to-back direction, and the second spacing is smaller than the first spacing.
[0006] In some embodiments, the connecting assembly is rotatably connected between the front frame and the rear frame. When the baby carriage is in the first state, the connecting assembly extends in the front-to-back direction. When the baby carriage is in the second state, the connecting assembly extends in the up-down direction and approaches the front frame.
[0007] When the front frame moves relative to the rear frame in the front-to-back direction, the connecting assembly is driven to move, or when the connecting assembly rotates relative to the rear frame, the front frame is driven to move relative to the rear frame in the front-to-back direction, thereby switching the baby carriage between the first state and the second state.
[0008] In some embodiments, the connecting assembly includes a seat bracket, the seat bracket having a first end and a second end respectively arranged at two different ends of the seat bracket in its length direction, the first end being rotatably connected to the front frame around a first center line, and the second end being rotatably connected to the rear frame around a second center line, and when the baby carriage is in the second state, the first end is located above the second end.
[0009] In some embodiments, the connecting assembly also includes a connecting frame, the connecting frame having a third end and a fourth end respectively arranged at two different ends in the length direction, the third end is rotatably connected to the front frame around a third center line, and the fourth end is rotatably connected to the rear frame around a fourth center line, wherein the first center line, the second center line, the third center line and the fourth center line are parallel to each other, and the third center line is located below the first center line.
[0010] In some embodiments, the connecting frame includes two groups of connecting rods arranged at intervals along the left-right direction, the two groups of connecting rods are rotatably connected to the front frame and the rear frame respectively, the front frame is located between the two groups of connecting rods, and when the baby carriage is in the second state, the front frame and the connecting frame are retracted into each other, the front wheel assembly is suspended, and the front frame and the front wheel assembly are retracted between the two groups of connecting rods.
[0011] In some embodiments, the seat support has a sitting surface and a receiving cavity, the receiving cavity has an opening that is open away from the sitting surface, and when the baby carriage is in the first state, the sitting surface faces upward and the opening is set downward; when the baby carriage is in the second state, the sitting surface faces backward and the opening is set forward, and the front wheel assembly is at least partially located in the receiving cavity.
[0012] In some embodiments, the seat support has a sitting surface, and when the stroller is in the first state, the first center line is higher than the second center line, and the first center line and the second center line are located on a virtual plane, and the angle between the virtual plane and the sitting surface is an acute angle.
[0013] In some embodiments, the rear frame has a support portion for standing, and the front frame is provided with an armrest, and the armrest has a handle portion for holding. During the process of converting the baby carriage from the first state to the second state, the height of the handle portion increases, and when the baby carriage is in the second state, the armrest is located on the front side of the support portion.
[0014] In some embodiments, when the baby carriage is in a first state, the connecting assembly extends in the front-to-back direction; when the baby carriage is in a second state, the connecting assembly extends in the up-down direction, and the baby carriage also includes auxiliary wheels arranged on the connecting assembly, the auxiliary wheels include a wheel frame and a wheel body arranged on the wheel frame, the wheel frame is rotatably connected to the connecting assembly around a rotating axis, when the baby carriage is in the first state, the rotating axis extends in the front-to-back direction; when the baby carriage is in the second state, the rotating axis extends in the up-down direction, and the auxiliary wheels and the rear wheel assembly are arranged at a distance in the front-to-back direction, wherein the connecting assembly is linked when it moves relative to the front frame and the rear frame so that the rotating axis changes the extension direction.
[0015] In some embodiments, when the baby carriage is in the second state, the auxiliary wheel is located at the front side of the rear wheel assembly; a universal wheel is also provided at the bottom of the rear frame, and the universal wheel is located at the rear side of the rear wheel assembly, wherein the rear wheel assembly has two groups arranged at intervals along the left and right directions, and the auxiliary wheel and the universal wheel are both located between the two groups of the rear wheel assemblies along the left and right directions.
[0016] Due to the application of the above technical solution, the present invention has the following advantages compared with the prior art: the baby carriage of the present invention has a first state and a second state, thereby having two different driving modes. In the first state, the front wheel assembly and the rear wheel assembly are jointly supported on the ground; in the second state, the baby carriage is supported on the ground by the rear wheel assembly, so that children have different driving methods accordingly, which increases the fun of the baby carriage. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Attached Figure 1 It is a schematic diagram of the three-dimensional structure of a baby carriage in a first state according to a specific embodiment of the present invention;
[0018] Attached Figure 2 The present invention is attached Figure 1 A three-dimensional diagram from another perspective;
[0019] Attached Figure 3 For attachment Figure 1 A partially exploded schematic diagram of
[0020] Attached Figure 4 For attachment Figure 3 The enlarged schematic diagram of point A in the middle;
[0021] Attached Figure 5 is a partially exploded schematic diagram of the baby carriage of this embodiment;
[0022] Attached Figure 6 For attachment Figure 1 Left view of;
[0023] Attached Figure 7For attachment Figure 1 Front view of
[0024] Attached Figure 8 For attachment Figure 1 Right view of;
[0025] Attached Fig. 9 For attachment Figure 1 A top view of
[0026] Attached Fig.10 For attachment Figure 1 Bottom view of
[0027] Attached Fig.11 is a three-dimensional schematic diagram of the baby carriage of this embodiment in the second state;
[0028] Attached Fig.12 For attachment Fig.11 A three-dimensional diagram from another perspective;
[0029] Attached Fig.13 For attachment Fig.11 Left view of;
[0030] Attached Fig.14 For attachment Fig.11 Front view of
[0031] Attached Fig.15 For attachment Fig.11 Right view of;
[0032] Attached Fig.16 For attachment Fig.11 A top view of
[0033] Attached Fig.17 For attachment Fig.11 Bottom view of
[0034] Among them: 1. front frame; 11. handrail; 111. handle; 112. front support rod; 12. front connecting seat; 13. front fork; 2. rear frame; 21. upper cover; 211. support part; 22. lower cover; 221. protrusion; 222. through groove; 23. front cover; 24. rear cover; 25. support pedal; 26. start pedal; 27. start switch; 28. power switch; 29. rear connecting seat; 29 1. Through hole; 292. Connecting column; 3. Seat bracket; 31. First end; 32. Second end; 33. Sitting surface; 34. Accommodating cavity; 35. Avoidance groove; 4. Connecting frame; 41. Third end; 42. Fourth end; 43. Connecting rod; 431. Footrest; 44. Transverse connecting rod; 5. Front wheel assembly; 6. Rear wheel assembly; 7. Auxiliary wheel; 71. Wheel frame; 72. Wheel body; 73. Rotating shaft; 8. Universal wheel. DETAILED DESCRIPTION
[0035] The technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art. Obviously, the embodiments described in this application are only a part of the embodiments of the present application, rather than all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without making creative work are within the scope of protection of this application.
[0036] See also Figure 1 , Figure 2 The baby carriage shown in the figure comprises a front frame 1, a rear frame 2 and a connecting assembly, wherein the connecting assembly is connected between the front frame 1 and the rear frame 2, and the baby carriage further comprises a front wheel assembly 5 and a rear wheel assembly 6, wherein the front wheel assembly 5 is arranged at the lower part of the front frame 1, and the rear wheel assembly 6 is arranged at the lower part of the rear frame 2. The baby carriage has a first state and a second state. When the baby carriage is in the first state, Figures 6 to 10 As shown, the front wheel assembly 5 is located in front of the rear wheel assembly 6, and the front wheel assembly 5 and the rear wheel assembly 6 are supported on the ground together. In this state, the baby carriage is mainly in a sitting driving mode, and the child can sit on the connecting assembly to drive the baby carriage, and the center of gravity of the child driving the baby carriage is located between the front frame 1 and the rear frame 2, making the driving more stable; when the baby carriage is in the second state, see Figures 11 to 17 As shown, the front wheel assembly 5 is suspended in the air, and the baby stroller is supported on the ground by the rear wheel assembly 6. In this state, the baby stroller is converted into a standing driving mode, and the center of gravity of the child driving the baby stroller moves backward and is mainly located on the rear frame 2. The baby stroller has higher flexibility and is mainly used as a balance vehicle. In this embodiment, see Figures 1 to 3 As shown, the rear wheel assembly 6 includes two groups spaced apart in the left-right direction. In the first state and the second state, the two groups of rear wheel assemblies 6 are supported on the ground together, which can improve the stability of the baby carriage.
[0037] In some embodiments, the connecting assembly is detachably connected to the rear frame 2. When the vehicle is converted to the second state for use, the connecting assembly and the front frame 1 are removed, and only the rear frame 2 and the rear wheel assembly 6 are retained for use. In other embodiments, the connecting assembly is detachably connected to both the front frame 1 and the rear frame 2, and the front frame 1 can be detachably mounted on the rear frame 2. When the vehicle is converted to the second state for use, the connecting assembly is detached from between the front frame 1 and the rear frame 2, and the front frame 1 is mounted on the rear frame 2 for common use.
[0038] In this embodiment, the connecting assembly is movably connected between the front frame 1 and the rear frame 2, wherein when the baby carriage is in the first state, the front frame 1 and the rear frame 2 have a first spacing in the front-to-back direction; when the baby carriage is in the second state, the front frame 1 and the rear frame 2 have a second spacing in the front-to-back direction, and the second spacing is smaller than the first spacing. Specifically, the connecting assembly is rotatably connected between the front frame 1 and the rear frame 2, and when the baby carriage is in the first state, the connecting assembly extends in the front-to-back direction, and when the baby carriage is in the second state, the connecting assembly extends in the up-down direction and approaches the front frame 1. When the front frame 1 moves relative to the rear frame 2 in the front-to-back direction, the connecting assembly is driven to move, or when the connecting assembly rotates relative to the rear frame 2, the front frame 1 and the rear frame 2 are driven to move relative to each other in the front-to-back direction, so that the baby carriage switches between the first state and the second state.
[0039] In this embodiment, the front frame 1 is provided with an armrest 11, the rear frame 2 is provided with a support portion 211 for standing, the armrest 11 has a handle portion 111 for holding, and during the transition of the baby carriage from the first state to the second state, the height of the handle portion 111 rises, and when the baby carriage is in the second state, the armrest 11 is located in front of the support portion 211. In the second state, the child steps on the support portion 211 and holds the raised handle portion 111 to drive.
[0040] In this embodiment, the connection assembly at least includes a seat bracket 3 for providing a sitting support, and the seat bracket 3 has a first end 31 and a second end 32 respectively arranged at two different ends in the length direction of the seat bracket 3. The first end 31 is rotatably connected to the front frame 1 around the first center line X1, and the second end 32 is rotatably connected to the rear frame 2 around the second center line X2. Specifically, in the first state, the first end 31 is the front end of the seat bracket 3, and the second end 32 is the rear end of the seat bracket 3. When the baby carriage is converted from the first state to the second state, the seat bracket 3 is flipped forward relative to the front frame 1 and folded. When the baby carriage is in the second state, the first end 31 is located above the second end 32.
[0041] In this embodiment, see Figure 3 As shown, the seat support 3 has a sitting surface 33, and when the baby carriage is in the first state, the first center line X1 is higher than the second center line X2, and the first center line X1 and the second center line X2 are located on a virtual plane, and the angle between the virtual plane and the sitting surface 33 is an acute angle. In this way, in the first state, while ensuring the integrity and stability of the baby carriage frame, the sitting surface can be raised and can be extended in an approximately horizontal direction, so that the child can sit on it stably.
[0042] In this embodiment, when the baby carriage is in the second state, the front wheel assembly 5 is suspended. The baby carriage further includes an auxiliary wheel 7 disposed on the connecting assembly, the auxiliary wheel 7 includes a wheel frame 71 and a wheel body 72 disposed on the wheel frame 71, and the wheel frame 71 is rotatably connected to the connecting assembly around a rotation axis 73. When the baby carriage is in the first state, the rotation axis 73 extends in the front-rear direction, see Fig.10 As shown, in this state, the auxiliary wheel 7 is located between the two rear wheel assemblies 6. When the connecting assembly moves relative to the front frame 1 and the rear frame 2, the rotation axis 73 changes its extension direction. When the baby carriage is in the second state, the rotation axis 73 extends in the up-down direction, and the auxiliary wheel 7 and the rear wheel assembly 6 are arranged at a distance in the front-to-back direction. Figures 12 to 15 As shown, in this state, the auxiliary wheels 7 and the rear wheel assembly 6 are supported on the ground together, so that the baby stroller in this state can maintain stability. In this embodiment, the auxiliary wheels 7 in the first state do not contact the ground and do not play a role. In other embodiments, in the first state, the auxiliary wheels 7 are also supported on the ground and are used to improve the stability of the baby stroller.
[0043] In this embodiment, the connection assembly also includes a connection frame 4, and the connection frame 4 has a third end 41 and a fourth end 42 respectively arranged at two different ends in the length direction, and the third end 41 is rotatably connected to the front frame 1 around the third center line X3, and the fourth end 42 is rotatably connected to the rear frame 2 around the fourth center line X4. Specifically, in the first state, the third end 41 is the front end of the connection frame 4, and the fourth end 42 is the rear end of the connection frame 4. Among them, the first center line X1, the second center line X2, the third center line X3 and the fourth center line X4 are parallel to each other, and the third center line X3 is located below the first center line X1. A four-bar linkage is formed between the front frame 1, the rear frame 2, the seat bracket 3 and the connection frame 4, and the baby carriage can be converted between the first state and the second state by driving the four-bar linkage to convert.
[0044] See also Figure 3 , Figure 4 As shown, the auxiliary wheel 7 is arranged on the fourth end 42 of the connecting frame 4. In the first state, the connecting frame 4 extends in the front-to-back direction, and the auxiliary wheel 7 is located at the rear side of the connecting frame 4. In the second state, the connecting frame 4 is retracted relative to the front frame 1 and converted to extend in the up-down direction, and the auxiliary wheel 7 is turned over with the connecting frame 4 and converted to the bottom of the connecting frame 4.
[0045] In this embodiment, the connecting frame 4 includes two groups of connecting rods 43 arranged at intervals along the left-right direction, and the two groups of connecting rods 43 are rotatably connected to the front frame 1 and the rear frame 2 respectively. Figure 4 As shown, the connecting frame 4 further includes a transverse connecting rod 44 extending in the left-right direction, the transverse connecting rod 44 is connected between the rear portions of the two connecting rods 43 , and the wheel frame 71 is rotatably connected to the transverse connecting rod 44 around a rotating shaft 73 .
[0046] In this embodiment, the side of the seat bracket 3 close to the connecting frame 4 is provided with an avoidance groove 35 with a notch facing the connecting frame 4, see Figure 7 As shown, in the first state, the avoidance groove 35 is located at the lower part of the seat bracket 3 and the groove is facing downward. In the process of switching to the second state, the third end 41 of the connecting frame 4 will block the path of the seat bracket 3 folding relative to the front frame 1. By providing the avoidance groove 35, during the switching process, the third end 41 of the connecting frame 4 is stuck in the avoidance groove 35, so that the seat bracket 3 can be folded more tightly with the front frame 1.
[0047] In this embodiment, the front frame 1 is located between the two groups of connecting rods 43. When the baby carriage is in the second state, the front frame 1 and the connecting frame 4 are folded together, and the front frame 1 and the front wheel assembly 5 are folded between the two groups of connecting rods 43. In this embodiment, the seat bracket 3 has a receiving cavity 34, and the receiving cavity 34 has an opening that is open away from the sitting surface 33. When the baby carriage is in the first state, the sitting surface 33 is facing upward and the opening is facing downward; when the baby carriage is in the second state, the sitting surface 33 is facing backward and the opening is facing forward, and at least part of the front wheel assembly 5 is located in the receiving cavity 34. By providing two groups of connecting rods 43 and the front wheel assembly 5 being located between the two groups of connecting rods 43, and the receiving cavity 34 in which the front wheel assembly 5 can be folded, the front frame 1 and the seat bracket 3 can be tightly folded in the second state, so that the armrest 11 can be located on the front side of the support portion 211.
[0048] In this embodiment, see Fig. 9 , Fig.10 As shown, the two sets of connecting rods 43 have footrests 431 disposed on the left and right sides of the seat bracket 3. Figure 7 As shown, in the first state, the connecting rod 43 is located below the seat bracket 3 . In this state, the footrests 431 on both sides can provide support for the feet of a child sitting on the seat bracket 3 .
[0049] In this embodiment, the front frame 1 further includes a front connecting seat 12, which is rotatably disposed on the armrest 11, and the first end 31 of the seat bracket 3 and the third end 41 of the connecting frame 4 are both rotatably connected to the front connecting seat 12. Figure 3 As shown, the armrest 11 also includes a front support rod 112 extending in the up-down direction, the handle portion 111 is fixedly mounted on the upper portion of the front support rod 112, the front connecting seat 12 is tubular and sleeved on the front support rod 112, and the front connecting seat 12 can be rotatably arranged along the axis of the front support rod 112.
[0050] In this embodiment, a front fork 13 is provided at the lower portion of the armrest 11, and the front wheel assembly 5 is rotatably disposed on the front fork 13. Specifically, the front fork 13 is fixed to the lower end portion of the front support rod 112. The front fork 13 can be driven to rotate by rotating the armrest 11, thereby driving the front wheel assembly 5 to turn.
[0051] In this embodiment, the rear frame 2 includes an upper cover 21, a lower cover 22, a front cover 23 and a rear cover 24, wherein the upper cover 21 and the lower cover 22 are connected together in the up-down direction, the front cover 23 is covered on the front side of the upper cover 21, and the rear cover 24 is covered on the rear side of the upper cover 21. The rear frame 2 also includes a rear connecting seat 29, a receiving cavity is provided between the upper cover 21 and the lower cover 22, the rear connecting seat 29 is fixedly provided in the receiving cavity, the second end 32 of the seat bracket 3 is rotatably connected to the rear connecting seat 29, and the fourth end of the connecting frame 4 is rotatably connected to the rear connecting seat 29.
[0052] Specifically, see Figure 5 As shown, the lower cover 22 is provided with a protruding portion 221 extending upward, and the rear connecting seat 29 is provided with a through hole 291, and the protruding portion 221 is inserted into the through hole 291. The rear connecting seat 29 is provided with a plurality of connecting columns 292, and the connecting columns 292 are arranged in pairs, and the two connecting columns 292 constituting each pair are arranged at intervals along the left-right direction. Figure 5 As shown, there are three pairs of connection posts 292 on the rear connection seat 29, two pairs of which are arranged at intervals on the front side of the rear connection seat 29, and the upper parts of the two pairs of connection posts 292 are respectively connected to the rear ends of the two connection rods 43 to rotate around the fourth center line X4. The third pair of connection posts 292 is arranged on the rear side of the other two pairs of connection posts 292, and the third pair of connection posts 292 is higher than the other two pairs of connection posts 292, and the second end 32 of the seat bracket 3 is connected to the upper part of the third pair of connection posts 292 to rotate around the second center line X2, and the second center line X2 is higher than the fourth center line X4.
[0053] In this embodiment, the support part 211 includes two parts respectively disposed on the left and right sides of the rear frame 2, and is used to support the left and right feet of the child. Figure 5 As shown, the support portion 211 is recessed downward from the upper cover 21 , and a support pedal 25 is fixedly provided on the support portion 211 to increase friction and prevent slipping.
[0054] In this embodiment, the baby carriage is driven by electricity, and a driving mechanism (not shown in the figure) for driving the rear wheel assembly 6 to rotate is provided in the accommodation cavity between the upper cover 21 and the lower cover 22. The rear frame 2 also has a power switch 28 for connecting the power supply, and a driving member for driving the driving mechanism to work and make the baby carriage move forward. When in use, the power switch 28 is first turned on, and then the driving mechanism is started by the driving member, so that the baby carriage can be driven forward.
[0055] In this embodiment, the power switch 28 is arranged between the two support parts 211, and a through hole is provided on the front cover body 23. The front cover body 23 covers the power switch 28, and at least part of the power switch 28 passes through the through hole, and the front cover body 23 can play the role of fixing the power switch 28. In this embodiment, a mounting groove connected to the accommodating cavity is provided on one side support part 211, and a starting switch 27 for starting the driving mechanism is arranged in the mounting groove. A starting pedal 26 that can move up and down is provided on the support part 211, and the starting pedal 26 is movably covered on the mounting groove. When in use, a child steps on the starting pedal 26 to move the starting pedal 26 downward, and the starting pedal 26 contacts the starting switch 27 and is triggered, thereby starting the driving mechanism and the baby carriage can move forward. See FIG. Figure 8 , Fig. 9 As shown, the starting pedal 26 is arranged on the right support portion 211, see Figure 3 As shown, the support pedal 25 on the right side is provided with a notch for avoiding the start pedal 26. In some preferred embodiments, by controlling the strength of stepping on the start pedal 26, the speed at which the baby carriage advances can be controlled.
[0056] In this embodiment, the baby carriage is in the first state, and the auxiliary wheel 7 is located in the accommodating cavity between the upper cover body 21 and the lower cover body 22. The lower part of the lower cover body 22 is provided with a through slot 222 connected to the accommodating cavity. In the process of switching to the second state, the auxiliary wheel 7 extends downward from the through slot 222 to the accommodating cavity, and finally extends to the bottom of the lower cover body 22. In this embodiment, the through slot 222 is located at the front side of the lower cover body 22. When the baby carriage is in the second state, the auxiliary wheel 7 is located at the front side of the rear wheel assembly 6. The bottom of the rear frame 2 is also provided with a universal wheel 8, which is located at the rear side of the rear wheel assembly 6, and the universal wheel 8 is always located between the two groups of rear wheel assemblies 6 in the left and right direction. In the first state and the second state, the universal wheel 8 is supported on the ground. The setting of the universal wheel 8 further improves the stability of the baby carriage.
[0057] In summary, the baby carriage of this embodiment has two states. In the first state, the child can sit on the seat bracket 3 to drive the baby carriage while sitting, and in the second state, the child can stand on the support portion 211 to drive the baby carriage while standing, which enriches the driving function and increases the fun. By driving the seat bracket 3 and the connecting frame 4 to rotate and fold forward relative to the front frame 1, so that the rear frame 2 moves forward relative to the front frame 1, the baby carriage can be converted from the first state to the second state. By driving the seat bracket 3 and the connecting frame 4 to unfold backward relative to the front frame 1, so that the rear frame 2 moves backward relative to the front frame 1, the baby carriage can be converted from the second state to the first state, and the conversion operation is simple.
[0058] The above embodiments are only for illustrating the technical concept and features of the present invention, and their purpose is to enable people familiar with this technology to understand the content of the present invention and implement it. They cannot be used to limit the protection scope of the present invention. Any equivalent changes or modifications made according to the spirit of the present invention should be included in the protection scope of the present invention.
Claims
1. A baby carriage, characterized in that: The baby carriage comprises a front frame, a rear frame, a connecting assembly, a front wheel assembly and a rear wheel assembly, wherein the front wheel assembly is arranged at the lower part of the front frame, the rear wheel assembly is arranged at the lower part of the rear frame, the connecting assembly is connected between the front frame and the rear frame, and the baby carriage has a first state and a second state, and when the baby carriage is in the first state, the front wheel assembly and the rear wheel assembly are supported on the ground together; When the baby carriage is in the second state, the baby carriage is supported on the ground by the rear wheel assembly.
2. The baby carriage according to claim 1, characterized in that: The connecting assembly is movably connected between the front frame and the rear frame, and when the baby carriage is in a first state, the front frame and the rear frame have a first spacing in the front-to-back direction; When the baby carriage is in a second state, the front frame and the rear frame have a second spacing along the front-to-back direction, and the second spacing is smaller than the first spacing.
3. The baby carriage according to claim 2, characterized in that: The connecting assembly is rotatably connected between the front frame and the rear frame. When the baby carriage is in the first state, the connecting assembly extends in the front-to-back direction. When the baby carriage is in the second state, the connecting assembly extends in the up-down direction and is close to the front frame. When the front frame moves relative to the rear frame in the front-to-back direction, the connecting assembly is driven to move, or when the connecting assembly rotates relative to the rear frame, the front frame is driven to move relative to the rear frame in the front-to-back direction, thereby switching the baby carriage between the first state and the second state.
4. The baby carriage according to claim 1, characterized in that: The connecting assembly includes a seat bracket, which has a first end and a second end respectively arranged at two different ends in the length direction of the seat bracket, the first end is rotatably connected to the front frame around a first center line, and the second end is rotatably connected to the rear frame around a second center line. When the baby carriage is in the second state, the first end is located above the second end.
5. The baby carriage according to claim 4, characterized in that: The connecting assembly also includes a connecting frame, the connecting frame has a third end and a fourth end respectively arranged at two different ends in the length direction, the third end is rotatably connected to the front frame around a third center line, and the fourth end is rotatably connected to the rear frame around a fourth center line, wherein the first center line, the second center line, the third center line and the fourth center line are parallel to each other, and the third center line is located below the first center line.
6. The baby carriage according to claim 5, characterized in that: The connecting frame includes two groups of connecting rods arranged at intervals along the left-right direction, the two groups of connecting rods are rotatably connected to the front frame and the rear frame respectively, the front frame is located between the two groups of connecting rods, and when the baby carriage is in the second state, the front frame and the connecting frame are retracted into each other, the front wheel assembly is suspended, and the front frame and the front wheel assembly are retracted between the two groups of connecting rods.
7. The baby carriage according to claim 6, characterized in that: The seat bracket has a sitting surface and a receiving cavity, the receiving cavity has an opening that is open away from the sitting surface, and when the baby carriage is in the first state, the sitting surface faces upward and the opening is arranged downward; when the baby carriage is in the second state, the sitting surface faces backward and the opening is arranged forward, and at least a part of the front wheel assembly is located in the receiving cavity, wherein, when the baby carriage is in the first state, the first center line is higher than the second center line, and the first center line and the second center line are located on a virtual plane together, and the angle between the virtual plane and the sitting surface is an acute angle.
8. The baby carriage according to claim 1, characterized in that: The rear frame has a support portion for standing, and the front frame is provided with an armrest, and the armrest has a handle portion for holding. During the process of the baby carriage being converted from the first state to the second state, the height of the handle portion increases. When the baby carriage is in the second state, the armrest is located at the front side of the support portion.
9. The baby carriage according to claim 1, characterized in that: When the baby carriage is in a first state, the connecting assembly extends in the front-to-back direction; when the baby carriage is in a second state, the connecting assembly extends in the up-down direction, and the baby carriage further comprises auxiliary wheels arranged on the connecting assembly, the auxiliary wheels comprising a wheel frame and a wheel body arranged on the wheel frame, the wheel frame being rotatably connected to the connecting assembly around a rotating shaft, and when the baby carriage is in the first state, the rotating shaft extends in the front-to-back direction; when the baby carriage is in the second state, the rotating shaft extends in the up-down direction, and the auxiliary wheels and the rear wheel assembly are arranged at a distance in the front-to-back direction, wherein when the connecting assembly moves relative to the front frame and the rear frame, the rotating shaft changes the extension direction in a linked manner.
10. The baby carriage according to claim 9, characterized in that: When the baby carriage is in the second state, the auxiliary wheel is located at the front side of the rear wheel assembly; a universal wheel is also provided at the bottom of the rear frame, and the universal wheel is located at the rear side of the rear wheel assembly, wherein the rear wheel assembly has two groups arranged at intervals along the left and right directions, and the auxiliary wheel and the universal wheel are both located between the two groups of the rear wheel assemblies along the left and right directions.