阅读说明：本技术 一种儿童推车 (Children's barrow ) 是由 周永建 吴群 于 2020-09-14 设计创作，主要内容包括：本发明公开了一种儿童推车,包括摇篮、推杆、前轮组件、第一后轮和第二后轮,所述推杆上安装有用于支撑摇篮的支撑装置,所述前轮组件上安装有用于颠簸路段缓冲的缓冲组件,所述缓冲组件上安装有用于驱动摇篮摇晃的摇晃装置,所述第一后轮上安装有用于平坦路段驱动摇篮摇晃的驱动装置,此儿童推车,通过支撑装置保证了儿童推车在推动过程中稳固可靠,通过缓冲组件和摇晃装置的共同作用,实现了颠簸路段对摇篮的缓冲,同时实现了颠簸状态下驱动摇篮轻微晃动,保证儿童能安然入眠,通过驱动装置实现了在平坦路段推动儿童推车时,使摇篮不断晃动,有效的帮助儿童入眠,使家长能更轻松的照顾儿童。(The invention discloses a children's barrow, which comprises a cradle, a push rod, a front wheel component, a first rear wheel and a second rear wheel, wherein a supporting device for supporting the cradle is installed on the push rod, a buffer component for buffering a bumpy road section is installed on the front wheel component, a shaking device for driving the cradle to shake is installed on the buffer component, and a driving device for driving the cradle to shake is installed on the first rear wheel, so that the children's barrow ensures that the children's barrow is stable and reliable in the pushing process through the supporting device, the cradle is buffered through the bumpy road section under the combined action of the buffer component and the shaking device, the cradle is driven to slightly shake in a bumpy state, the children can sleep safely, the cradle is enabled to shake continuously when the children's barrow is pushed through the driving device, the children are effectively helped to sleep, the parents can take care of the children more easily.)

1. The utility model provides a children's shallow, includes cradle (1), push rod (2), front wheel subassembly (3), first rear wheel (4) and second rear wheel (5), its characterized in that: install strutting arrangement (6) that are used for supporting cradle (1) on push rod (2), install on front wheel subassembly (3) and be used for jolting buffer module (7) of highway section buffering, install on buffer module (7) and be used for driving device (8) that rock of cradle (1), install on first rear wheel (4) and be used for flat highway section drive cradle (1) drive arrangement (9) that rock.

2. A stroller in accordance with claim 1, in which: the supporting device (6) comprises a first fixed block (10), a second fixed block (11) and a third fixed block (12), the first fixed block (10) and the second fixed block (11) are symmetrically fixed on the push rod (2), a first connecting rod (13) is fixed on the first fixed block (10), one end of the first connecting rod (13) is fixed with a first rotating shaft (14), the first rotating shaft (14) is rotatably connected with the first rear wheel (4) through a bearing, a supporting block (15) is fixed in the middle of the first connecting rod (13), supporting columns (16) are symmetrically fixed on one sides of the supporting blocks (15), two supporting columns (16) are arranged, one ends, far away from the supporting blocks (15), of the supporting columns (16) are rotatably connected with rotating wheels (17) through bearings, arc-shaped convex blocks (18) are simultaneously attached to the upper surfaces of the two rotating wheels (17), and the arc-shaped convex blocks (18) are fixedly connected with the cradle (1), be fixed with second connecting rod (19) on second fixed block (11), second connecting rod (19) one end is fixed with second pivot (20), second pivot (20) are rotated with second rear wheel (5) through the bearing and are connected, third fixed block (12) are equipped with two, third fixed block (12) symmetry is fixed on push rod (2), first fixed block one side is fixed with third pivot (21), third pivot (21) are rotated with cradle (1) through the bearing and are connected.

3. A stroller in accordance with claim 1, in which: the buffer assembly (7) comprises a first connecting block (22) and a second connecting block (23), the first connecting block (22) and the second connecting block (23) are fixedly connected with the push rod (2), a connecting rod (24) is fixed between the first connecting block (22) and the second connecting block (23), a first through hole (25) is formed in the first connecting block (22), a first guide rod (26) is connected in the first through hole (25) in a sliding manner, one end of the first guide rod (26) is fixedly connected with the front wheel assembly (3), a first spring (27) is sleeved outside the first guide rod (26), two ends of the first spring (27) are respectively contacted with the first connecting block (22) and the front wheel assembly (3), a first sleeve (28) is sleeved outside the first spring (27), one end of the first sleeve (28) is fixedly connected with the front wheel assembly (3), second through-hole (29) have been seted up in second connecting block (23), sliding connection has second guide arm (30) in second through-hole (29), second guide arm (30) one end and front wheel subassembly (3) fixed connection, second spring (31) have been cup jointed outward in second guide arm (30), second spring (31) both ends contact with second connecting block (23) and front wheel subassembly (3) respectively, second sleeve (32) have been cup jointed outward in second spring (31), second sleeve (32) one end and front wheel subassembly (3) fixed connection.

4. A stroller in accordance with claim 1, in which: the shaking device (8) comprises a first rack (33), two first vertical plates (34) and two fourth fixed blocks (35), the racks are fixed at one end of a second guide rod (30), a fourth rotating shaft (36) is fixed between the two first vertical plates (34), the fourth rotating shaft (36) is rotatably connected with a first gear (37) meshed with the first rack (33) through a bearing, the fourth fixed blocks (35) are fixedly connected with a push rod (2), the fourth fixed blocks (35) are provided with two, a first sliding chute (38) is formed in each fourth fixed block (35), a first sliding rod (39) is slidably connected in each first sliding chute (38), a second rack (40) meshed with the first gear (37) is fixed at one end of each first sliding rod (39), a fifth fixed block (41) is fixed on one side of the cradle (1), a second sliding groove (42) is formed in the fifth fixing block (41), a first sliding column (43) is connected in the second sliding groove (42) in a sliding mode, and one end of the first sliding column (43) is fixedly connected with the first sliding rod (39).

5. A stroller in accordance with claim 1, in which: the driving device (9) comprises a sixth fixed block (44) and a fifth rotating shaft (45), the sixth fixed block (44) is fixedly connected with the second connecting rod (19), a second vertical plate (46) is fixed on one side of the sixth fixed block (44), two second vertical plates (46) are arranged, a third sliding chute (47) is arranged on the second vertical plate (46), a sliding hole (48) is arranged at one side of the sixth fixed block (44), one end of the fifth rotating shaft (45) is fixed at one side of the second rear wheel (5), the fifth rotating shaft (45) is rotatably connected with a third connecting rod (49), the third connecting rod (49) is rotationally connected with a fourth connecting rod (50) through a pin shaft, the fourth connecting rod (50) is rotationally connected with a fifth connecting rod (51) which is connected with the third sliding chute (47) in a sliding way through a pin shaft, the fifth connecting rod (51) is provided with a gear device (52) for shaking the cradle (1).

6. A stroller in accordance with claim 5, in which: the gear device (52) comprises a third rack (53) and a second sliding rod (54), the third rack (53) is fixedly connected with a fifth connecting rod (51), the second sliding rod (54) is slidably connected with a sliding hole (48), one end of the second sliding rod (54) is rotatably connected with a second gear (55) meshed with the third rack (53) through a bearing, the second gear (55) is meshed with an incomplete gear (56), the incomplete gear (56) is fixed on the lower surface of the cradle (1), a special-shaped hole (57) is formed in the second sliding rod (54), and an adjusting device (58) for adjusting the meshing state of the second gear (55) is arranged on the special-shaped hole (57).

7. The stroller of claim 6, wherein: adjusting device (58) include U type fixed block (59), L type slider (60) and third spring (62), U type fixed block (59) are equipped with two, slide opening (48) both sides on sixth fixed block (44) are fixed to U type fixed block (59), L type slider (60) and U type fixed block (59) sliding connection, dysmorphism hole (57) sliding connection on L type slider (60) and second slide bar (54), L type fixed block (61) have been laminated to the one end of L type slider (60), L type fixed block (61) and sixth fixed block (44) fixed connection, third spring (62) set up in slide opening (48), third spring (62) both ends respectively with slide opening (48) inner wall and second slide bar (54) contact.

Technical Field

The invention relates to the technical field of baby strollers, in particular to a baby stroller.

Background

The child stroller is a vehicle for children, and can be moved only by assisting in pushing or pulling by people. In reality, many mothers all can choose for use the children's shallow, can make things convenient for the shopping to and walk to walk the bend, all can take children, greatly made things convenient for guardian's life.

The baby stroller cannot shake in the pushing process, when a child needs to be pacified to take care of falling asleep, the child can only stop, the child is hugged by an adult to lie asleep, then the child puts into the sleeping basket, and the child stroller is pushed to continue walking. To this end, we propose a stroller.

Disclosure of Invention

The present invention is directed to a stroller that solves the above problems of the prior art.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a children's shallow, includes cradle, push rod, front wheel subassembly, first rear wheel and second rear wheel, install the strutting arrangement who is used for supporting the cradle on the push rod, install the buffering subassembly that is used for jolting the highway section buffering on the front wheel subassembly, install the device that rocks that is used for driving the cradle on the buffering subassembly, install the drive arrangement who is used for flat highway section drive cradle to rock on the first rear wheel.

Preferably, the supporting device comprises a first fixed block, a second fixed block and a third fixed block, the first fixed block and the second fixed block are symmetrically fixed on the push rod, a first connecting rod is fixed on the first fixed block, a first rotating shaft is fixed at one end of the first connecting rod, the first rotating shaft is rotatably connected with a first rear wheel through a bearing, a supporting block is fixed in the middle of the first connecting rod, supporting columns are symmetrically fixed on one sides of the supporting blocks, two supporting columns are arranged, one ends of the supporting columns, far away from the supporting blocks, are rotatably connected with rotating wheels through bearings, arc-shaped convex blocks are simultaneously attached to the upper surfaces of the two rotating wheels and fixedly connected with the cradle, a second connecting rod is fixed on the second fixed block, a second rotating shaft is fixed at one end of the second connecting rod and rotatably connected with a second rear wheel through a bearing, and two third fixed blocks are arranged, the third fixed block is symmetrically fixed on the push rod, a third rotating shaft is fixed on one side of the third fixed block and is rotatably connected with the cradle through a bearing, and in the pushing process, the cradle is stable and reliable in various road sections, the safety of children is guaranteed, and the sleeping quality is improved.

Preferably, the buffer assembly comprises a first connecting block and a second connecting block, the first connecting block and the second connecting block are fixedly connected with the push rod, a connecting rod is fixed between the first connecting block and the second connecting block, the first connecting block is provided with a first through hole, a first guide rod is slidably connected in the first through hole, one end of the first guide rod is fixedly connected with the front wheel assembly, a first spring is sleeved outside the first guide rod, two ends of the first spring are respectively contacted with the first connecting block and the front wheel assembly, a first sleeve is sleeved outside the first spring, one end of the first sleeve is fixedly connected with the front wheel assembly, a second through hole is formed in the second connecting block, a second guide rod is slidably connected in the second through hole, one end of the second guide rod is fixedly connected with the front wheel assembly, a second spring is sleeved outside the second guide rod, two ends of the second spring are respectively contacted with the second connecting block and the front wheel assembly, the cradle is characterized in that a second sleeve is sleeved outside the second spring, one end of the second sleeve is fixedly connected with the front wheel assembly, the first spring and the second spring are compressed and extended among the front wheel assembly, the first connecting block and the second connecting block to realize the buffering of the cradle, and the children are guaranteed to be far away from bumpy interference in the cradle.

Preferably, the shaking device comprises a first rack, two first vertical plates and a fourth fixed block, the rack is fixed at one end of the second guide rod, two first vertical plates are arranged, a fourth rotating shaft is fixed between the two first vertical plates, the fourth rotating shaft is rotatably connected with a first gear meshed with the first rack through a bearing, the fourth fixed block is fixedly connected with a push rod, two fourth fixed blocks are arranged, a first sliding chute is formed in each fourth fixed block, a first sliding rod is slidably connected in each first sliding chute, a second rack meshed with the first gear is fixed at one end of each first sliding rod, a fifth fixed block is fixed at one side of the cradle, a second sliding chute is formed in each fifth fixed block, a first sliding column is slidably connected in each second sliding chute, one end of each first sliding column is fixedly connected with the first sliding rod, and the first rack moves up and down, the first sliding rod is driven to drive the cradle to swing, so that a bumpy road section is realized, bumping energy is effectively converted into power for driving the cradle to swing, the child can sleep better, and the problem that the child needs to be held in arms to sleep in the traveling process is solved.

Preferably, the driving device comprises a sixth fixed block and a fifth rotating shaft, the sixth fixed block is fixedly connected with the second connecting rod, a second vertical plate is fixed on one side of the sixth fixed block, the number of the second vertical plates is two, a third chute is arranged on the second vertical plate, a slide hole is arranged on one side of the sixth fixed block, one end of the fifth rotating shaft is fixed on one side of the second rear wheel, the fifth rotating shaft is rotatably connected with a third connecting rod, the third connecting rod is rotatably connected with a fourth connecting rod through a pin shaft, the fourth connecting rod is rotationally connected with a fifth connecting rod which is connected with the third chute in a sliding way through a pin shaft, the fifth connecting rod is provided with a gear device for the cradle to shake, so that a smooth road section is realized, the cradle is driven to swing through the rotation of the wheels, the cart does not need to be stopped, the cradle is manually swung, manpower is saved, children are conveniently cared for, and the cradle is helpful for the children to fall asleep.

Preferably, gear device includes third rack and second slide bar, third rack and fifth connecting rod fixed connection, second slide bar and slide opening sliding connection, second slide bar one end is connected with the second gear with third rack looks meshing through the bearing rotation, the meshing of second gear has incomplete gear, incomplete gear is fixed at the cradle lower surface, dysmorphism hole has been seted up on the second slide bar, be equipped with the adjusting device who adjusts second gear engagement state on the dysmorphism hole, gear device realizes the effective transmission of motion, has guaranteed the frequency that the cradle rocked, makes children change and falls asleep.

Preferably, adjusting device includes U type fixed block, L type slider and third spring, U type fixed block is equipped with two, the slide opening both sides on the sixth fixed block are fixed to U type fixed block, L type slider and U type fixed block sliding connection, dysmorphism hole sliding connection on L type slider and the second slide bar, the one end laminating of L type slider has L type fixed block, L type fixed block and sixth fixed block fixed connection, the third spring sets up in the slide opening, and the third spring both ends respectively with slide opening inner wall and second slide bar contact, through the slip of L type slider in the dysmorphism hole, drive the motion of second gear, realize the regulation of gear device engaged state, easy operation, the conversion is convenient.

Compared with the prior art, the invention has the beneficial effects that:

the supporting device ensures that the baby stroller is stable and reliable in the pushing process, the cradle is buffered in a bumpy road section through the combined action of the buffering assembly and the shaking device, the cradle is driven to slightly shake in a bumpy state, the child can be ensured to fall asleep safely, the cradle is enabled to continuously shake when the baby stroller is pushed in a flat road section through the driving device, the child can be effectively helped to fall asleep, and parents can take care of the child easily.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the supporting device of the present invention;

FIG. 3 is a schematic view of a buffer assembly according to the present invention;

FIG. 4 is a schematic view of the construction of the rocking device of the present invention;

FIG. 5 is a schematic structural diagram of a driving device according to the present invention;

FIG. 6 is a schematic view of the adjusting device according to the present invention;

FIG. 7 is an enlarged view of area A of FIG. 2;

FIG. 8 is an enlarged view of area B of FIG. 3;

fig. 9 is an enlarged view of the region C in fig. 5.

In the figure: 1-cradle; 2-a push rod; 3-a front wheel assembly; 4-a first rear wheel; 5-a second rear wheel; 6-a support device; 7-a buffer component; 8-shaking means; 9-a drive device; 10-a first fixed block; 11-a second fixed block; 12-a third fixed block; 13-a first link; 14-a first shaft; 15-a support block; 16-a support column; 17-a runner; 18-an arc-shaped bump; 19-a second link; 20-a second rotating shaft; 21-a third rotating shaft; 22-a first connection block; 23-a second connecting block; 24-a connecting rod; 25-a first via; 26-a first guide rod; 27-a first spring; 28-a first sleeve; 29-a second via; 30-a second guide bar; 31-a second spring; 32-a second sleeve; 33-a first rack; 34-a first riser; 35-a fourth fixed block; 36-a fourth shaft; 37-a first gear; 38-a first runner; 39-a first slide bar; 40-a second rack; 41-a fifth fixed block; 42-a second chute; 43-a first traveler; 44-a sixth fixed block; 45-fifth rotating shaft; 46-a second riser; 47-a third chute; 48-a slide hole; 49-a third link; 50-a fourth link; 51-a fifth link; 52-a gear arrangement; 53-third rack; 54-a second slide bar; 55-a second gear; 56-incomplete gear; 57-a shaped hole; 58-an adjustment device; 59-U-shaped fixing blocks; a 60-L shaped slider; a 61-L-shaped fixed block; 62-third spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-9, the present invention provides a technical solution: the utility model provides a children's shallow, includes cradle 1, push rod 2, front wheel subassembly 3, first rear wheel 4 and second rear wheel 5, install the strutting arrangement 6 that is used for supporting cradle 1 on the push rod 2, install the buffering subassembly 7 that is used for jolting the highway section buffering on the front wheel subassembly 3, install on the buffering subassembly 7 and be used for driving the device 8 that rocks of cradle 1, install the drive arrangement 9 that is used for flat highway section drive cradle 1 to rock on the first rear wheel 4.

Wherein, the supporting device 6 comprises a first fixed block 10, a second fixed block 11 and a third fixed block 12, the first fixed block 10 and the second fixed block 11 are symmetrically fixed on the push rod 2, a first connecting rod 13 is fixed on the first fixed block 10, a first rotating shaft 14 is fixed at one end of the first connecting rod 13, the first rotating shaft 14 is rotatably connected with the first rear wheel 4 through a bearing, a supporting block 15 is fixed at the middle part of the first connecting rod 13, supporting columns 16 are symmetrically fixed at one side of the supporting block 15, two supporting columns 16 are arranged, one end of each supporting column 16 far away from the supporting block 15 is rotatably connected with a rotating wheel 17 through a bearing, arc-shaped convex blocks 18 are simultaneously attached to the upper surfaces of the two rotating wheels 17, the arc-shaped convex blocks 18 are fixedly connected with the cradle 1, a second connecting rod 19 is fixed on the second fixed block 11, and a second rotating shaft 20 is fixed at one end of the, second pivot 20 is rotated with second rear wheel 5 through the bearing and is connected, third fixed block 12 is equipped with two, third fixed block 12 symmetry is fixed on push rod 2, third fixed block 12 one side is fixed with third pivot 21, third pivot 21 is rotated with cradle 1 through the bearing and is connected, and in the promotion process, it is reliable and firm in various highway sections to have realized cradle 1, has guaranteed children's safety, improves the sleep quality.

The buffering component 7 comprises a first connecting block 22 and a second connecting block 23, the first connecting block 22 and the second connecting block 23 are fixedly connected with the push rod 2, a connecting rod 24 is fixed between the first connecting block 22 and the second connecting block 23, the first connecting block 22 is provided with a first through hole 25, a first guide rod 26 is connected in the first through hole 25 in a sliding manner, one end of the first guide rod 26 is fixedly connected with the front wheel component 3, a first spring 27 is sleeved outside the first guide rod 26, two ends of the first spring 27 are respectively contacted with the first connecting block 22 and the front wheel component 3, a first sleeve 28 is sleeved outside the first spring 27, one end of the first sleeve 28 is fixedly connected with the front wheel component 3, a second through hole 29 is formed in the second connecting block 23, a second guide rod 30 is connected in the second through hole 29 in a sliding manner, one end of the second guide rod 30 is fixedly connected with the front wheel component 3, second spring 31 has been cup jointed outward to second guide arm 30, second spring 31 both ends respectively with second connecting block 23 and front wheel subassembly 3 contact, second sleeve 32 has been cup jointed outward to second spring 31, second sleeve 32 one end and front wheel subassembly 3 fixed connection realize the buffering to cradle 1 through the compression and the extension of first spring 27 and second spring 31 between front wheel subassembly 3, first connecting block 22 and second connecting block 23, guarantee that children keep away from the interference of jolting in cradle 1.

The shaking device 8 comprises a first rack 33, two first vertical plates 34 and a fourth fixed block 35, the racks are fixed at one end of the second guide rod 30, two first vertical plates 34 are provided, a fourth rotating shaft 36 is fixed between the two first vertical plates 34, the fourth rotating shaft 36 is rotatably connected with a first gear 37 meshed with the first rack 33 through a bearing, the fourth fixed block 35 is fixedly connected with the push rod 2, two fourth fixed blocks 35 are provided, a first sliding chute 38 is formed on the fourth fixed block 35, a first sliding rod 39 is slidably connected in the first sliding chute 38, one end of the first sliding rod 39 is fixedly provided with a second rack 40 meshed with the first gear 37, one side of the cradle 1 is fixedly provided with a fifth fixed block 41, the fifth fixed block 41 is provided with a second sliding chute 42, the second sliding chute 42 is slidably connected with a first sliding column 43, one end of the first sliding column 43 is fixedly connected with the first sliding rod 39, through the up-and-down motion of the first rack 33, the first sliding rod 39 is driven, and then the cradle 1 is driven to shake, so that a bumpy road section is realized, the bumping energy is effectively converted into power for driving the cradle 1 to shake, better sleep of the child is ensured, and the problem that the child needs to be massaged in the process of going is solved.

In addition, the driving device 9 includes a sixth fixed block 44 and a fifth rotating shaft 45, the sixth fixed block 44 is fixedly connected with the second connecting rod 19, a second vertical plate 46 is fixed on one side of the sixth fixed block 44, two second vertical plates 46 are provided, a third sliding groove 47 is provided on each second vertical plate 46, a sliding hole 48 is provided on one side of the sixth fixed block 44, one end of the fifth rotating shaft 45 is fixed on one side of the second rear wheel 5, the fifth rotating shaft 45 is rotatably connected with a third connecting rod 49, the third connecting rod 49 is rotatably connected with a fourth connecting rod 50 through a pin shaft, the fourth connecting rod 50 is rotatably connected with a fifth connecting rod 51 slidably connected with the third sliding groove 47 through a pin shaft, a gear device 52 for swinging the cradle 1 is provided on the fifth connecting rod 51, a smooth road section is realized, the cradle 1 is driven to swing through the rotation of the wheels, the cradle 1 does not need to stop the cart, and the cradle 1 is, the labor is saved, the children can be conveniently cared for, and the children can fall asleep.

The gear device 52 comprises a third rack 53 and a second slide bar 54, the third rack 53 is fixedly connected with a fifth connecting rod 51, the second slide bar 54 is connected with a slide hole 48 in a sliding manner, one end of the second slide bar 54 is connected with a second gear 55 meshed with the third rack 53 through a bearing in a rotating manner, the second gear 55 is meshed with an incomplete gear 56, the incomplete gear 56 is fixed on the lower surface of the cradle 1, a special-shaped hole 57 is formed in the second slide bar 54, an adjusting device 58 for adjusting the meshing state of the second gear 55 is arranged on the special-shaped hole 57, the gear device 52 realizes effective transmission of movement, the frequency of shaking of the cradle 1 is guaranteed, and the children are enabled to go into sleep more easily.

Adjusting device 58 includes U type fixed block 59, L type slider 60 and third spring 62, U type fixed block 59 is equipped with two, U type fixed block 59 is fixed in the slide opening 48 both sides on sixth fixed block 44, L type slider 60 and U type fixed block 59 sliding connection, L type slider 60 and the dysmorphism hole 57 sliding connection on the second slide bar 54, L type fixed block 61 has been laminated to the one end of L type slider 60, L type fixed block 61 and sixth fixed block 44 fixed connection, third spring 62 sets up in slide opening 48, and third spring 62 both ends contact with slide opening 48 inner wall and second slide bar 54 respectively, through the slip of L type slider 60 in dysmorphism hole 57, drive the motion of second gear 55, realize the regulation of gear device 52 engaged state, and easy operation, the conversion is convenient.

The working principle is as follows: when the child cart is pushed to bump a road section, the first spring 27 and the second spring 31 in the buffer component 7 are compressed and deformed to play a certain buffer role, meanwhile, the second connecting block 23 slides on the second guide rod 30, drives the first rack 33 to move up and down, drives the first sliding rod 39 to move through the first gear 37, thereby driving the first sliding post 43 to slide in the second sliding slot 42, driving the fifth fixing block 41 to move, further driving the cradle 1 to rotate, in the flat road section, the fifth link 51 slides in the third slide groove 47 by the rotation of the second rear wheel 5, thereby driving the gear device 52 to make the cradle 1 sway, when the flat road section does not need to sway, the adjusting device 58 slides the L-shaped slide block 60 to make the second slide bar 54 slide in the slide hole 48, thereby driving the second gear 55 to move, releasing the meshing state of the gear device 52 and realizing that the cradle 1 does not shake on the flat road section.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.