CN114620110B

CN114620110B - Multifunctional baby cradle cart

Info

Publication number: CN114620110B
Application number: CN202011450178.8A
Authority: CN
Inventors: 纪玉娟
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-12
Filing date: 2020-12-12
Publication date: 2023-05-09
Anticipated expiration: 2040-12-12
Also published as: CN114620110A

Abstract

The invention discloses a multifunctional baby cradle trolley which comprises a handlebar assembly, a handlebar folding device, a saddle assembly, a saddle folding device, a base, a cradle device, a brake speed regulating device and wheels, wherein the saddle assembly is connected with the handlebar assembly through an adjustable connecting block; the lower end of the handlebar assembly is connected with a handlebar folding device, the handlebar folding device is connected with the top of the cradle device, and the right side of the bottom surface of the saddle assembly is connected with the left end of the top surface of the cradle device through the saddle folding device; the cradle device is arranged in the base, the brake speed regulating device is arranged in the base, and the wheels are arranged at the lower part of the base; the cradle type cradle has various cradle modes, the height of the saddle is adjustable and foldable, the structure is compact, the cradle type cradle is convenient to carry during traveling, the functions of the cradle and the handcart are realized, the cradle type cradle is suitable for indoor and outdoor multifunctional cradle carts of infants in different age stages, the purchase cost is saved, the time for selecting is saved, the space is saved, the structure is simple, the manufacture is easy, and the use is convenient.

Description

Multifunctional baby cradle cart

Technical Field

The invention belongs to the technical field of baby strollers, and relates to a multifunctional baby cradle stroller.

Background

The folding baby stroller is an important baby stroller, is usually used as a main transportation means for a baby to walk out, and is also a necessary article for a mother to take a baby to go to the street for shopping. The infant electric cradle is a child product for infants to sleep and rest. The existing folding baby strollers and electric cradles are mostly separated, the baby strollers are generally used outdoors, and the baby electric cradles are generally used indoors. Infants are in different ages, parents need to purchase independently, so that the purchase cost is increased, the indoor space is occupied, and a large amount of model selection time is wasted.

Disclosure of Invention

The invention provides a multifunctional baby cradle trolley which aims at solving the problems that in the prior art, a folding baby cradle and an electric cradle are mostly separated, parents need to purchase independently at different ages, the purchase cost is increased, the indoor space is occupied, and a large amount of model selection time is wasted.

In order to achieve the above purpose, the present invention adopts the following technical scheme:

the invention relates to a multifunctional baby cradle trolley which comprises a handlebar assembly, a handlebar folding device, a saddle assembly, saddle folding devices, a base, cradle devices, a brake speed regulating device and wheels, wherein the saddle assembly comprises a backrest switch, a backrest folding device, a car awning folding device, a middle foldable handrail, side handrails, a backrest rotating shaft, an adjustable connecting block, a leg support and a saddle body; the saddle assembly is connected with the handlebar assembly through an adjustable connecting block; the lower end of the handlebar assembly is connected with a handlebar folding device, the handlebar folding device is connected with an upper sliding block and a lower sliding block of the cradle device, and the right side of the bottom surface of the saddle assembly is connected with the left end of a pedal on the top surface of the cradle device through the saddle folding device; the cradle device is arranged in the base, the brake speed regulating device is arranged at the rear end of the base, and the wheels are arranged at the lower part of the base.

In the above scheme, preferably, the handlebar assembly comprises a fixed handle and a movable handle, wherein the movable handle is arranged at the upper end of the fixed handle, and the two parallel fixed handles are connected with the saddle through two parallel adjustable connecting blocks.

It may be further preferred that the base includes a support frame bottom surface connecting plate, a wheel support frame, a front connecting beam, a rear connecting beam and a base upper cover plate, the wheels are respectively mounted on the two parallel wheel support frames, the support frame bottom surface connecting plate is mounted at the bottom of the wheel support frame, the base upper cover plate is mounted at the top of the wheel support frame, and the front connecting beam and the rear connecting beam are respectively mounted at the front end and the rear end between the two parallel wheel support frames.

It is also preferable that the cradle device comprises a cradle device spring, a guide rail, an upper slide block, a lower slide block, a gear motor connecting seat, a gear motor, a swing arm, a middle slide block, a motor fixing seat connecting rod, a middle guide rail, a swing arm hinge pin, a motor protection device, a storage battery and a foot pedal, wherein the two ends of the motor fixing seat connecting rod are connected with a wheel support frame, the gear motor connecting seat is arranged on the motor fixing seat connecting rod, the gear motor is arranged on the gear motor connecting seat, a motor protection device is arranged at the shaft end of the gear motor, the gear motor is connected with the swing arm through the motor protection device, the swing arm hinge pin is arranged at the other end of the swing arm, the swing arm hinge pin is connected with the middle slide block, the middle slide block is arranged on the middle guide rail through a sliding bearing, the middle guide rail is arranged between the upper slide block and the lower slide block which are parallel, the upper slide block and the lower slide block are respectively arranged on the guide rails, the cradle device spring is arranged at the front end and the rear end of the guide rail, the front end and the rear end of the guide rail are respectively connected with a front connecting beam and the rear connecting beam, the front connecting beam is respectively connected with the wheel support frame, the front connecting beam and the rear connecting beam is connected with the two parallel to the wheel support frame, the upper slide block and the two parallel to the two parallel connection plates, the two parallel to the upper slide plates and the two parallel connection plates, the two base and the two parallel to the front and lower base and the two parallel connection plates.

It may also be preferred that the guide rail is rectilinear or arcuate.

It may be further preferred that the motor protection device includes a clutch housing bolt, a clutch core, a clutch upper housing, a clutch lower housing, a clutch spring, an adjusting screw and a steel ball, wherein the clutch upper housing and the clutch lower housing are connected through the clutch housing bolt, the clutch core is installed in the clutch upper housing and the clutch lower housing, the adjusting screw is installed at the right end of the clutch spring for compressing the clutch spring, the left end of the clutch spring presses one end of the steel ball, and the other end of the steel ball contacts with the clutch core.

It may also be preferable that the handle folding device includes a handle folding device positioning shaft, and both ends of the handle folding device positioning shaft are connected with the two parallel connection plates, respectively.

It may be further preferred that the handle folding device positioning shaft is provided with a handle folding device spring, one end of the handle folding device spring is pressed on the pedal plate, the other end of the handle folding device spring is pressed on the folding pedal plate, the folding pedal plate and the limiting piece are fixedly mounted on the handle folding device positioning shaft, and the positioning piece is arranged on the connecting plate.

It may be preferable that a positioning piece is provided at an upper end of the connection plate, and the handle bar positioning piece is mounted at a lower end of the fixing handle.

It may also be preferred that the handlebar folding device is connected to two parallel fixing grips by means of a hinge connection post.

It may be further preferred that the saddle folding device includes a positioning connection piece, a telescopic rod, a fixing rod, an upper hinge connection rod, a lower hinge connection point, a hinge pivot post and a saddle folding spring, wherein the upper hinge connection rod is connected with the right side of the bottom of the saddle assembly, the lower hinge connection point is arranged at the right end of the fixing rod, the hinge pivot post penetrates through the positioning connection piece to be connected with the fixing rod, the left lower end of the positioning connection piece is provided with a positioning post, the middle lower end of the positioning connection piece is provided with a pressing contact rod, the saddle folding spring is sleeved on the hinge pivot post, and the lower hinge connection point is connected with a pedal plate, so that the saddle body, the saddle folding device and the handlebar assembly are in triangular distribution.

It may also be preferable that the backrest folding device includes a wire rope, a backrest positioning disk, a backrest positioning block and a backrest main body positioning ring, the backrest positioning disk is connected with the seat body, the backrest positioning block is provided with a winding and unwinding groove, the wire rope is connected with the backrest positioning block through the winding and unwinding groove, the backrest main body positioning ring is provided with a positioning groove, the backrest positioning block is embedded in the positioning groove, and the backrest main body positioning ring is coaxially connected with the backrest positioning disk.

It may be further preferred that the brake speed adjusting device includes a brake speed adjusting device main body, a knob switch, a braking vane device, a touch switch, a speed adjusting switch, a switch feeler lever, a spring, a brake slot plate, a hinge pin and a feeler lever, the knob switch is connected with the left end of the brake speed adjusting device main body, the braking vane device is mounted at the upper end of the brake speed adjusting device main body, the touch switch is embedded and mounted in the brake speed adjusting device main body, the speed adjusting switch is mounted at the side of the brake speed adjusting device main body, the switch feeler lever is connected with the touch switch, the touch spring is mounted in a spring hole of the brake speed adjusting device main body, the brake slot plate is fixed under the pedal, the hinge pin is connected with the braking vane device, and the feeler lever is mounted in the brake speed adjusting device main body.

It may also be preferable that the right end of the brake plate device is provided with a brake hook.

It may also be preferable that the brake speed adjusting device is mounted on the rear connecting beam and the brake slot plate is mounted on the foot pedal.

It may also be preferred that the wheels include front and rear wheels.

The beneficial effects of the invention are as follows:

the multifunctional baby cradle trolley solves the problems that in the prior art, most of the folding baby cradle trolley and the electric cradle are separated, parents need to purchase the baby at different ages, the purchase cost is increased, the indoor space is occupied, and a large amount of model selection time is wasted; the cradle trolley comprises a handlebar folding device, a backrest folding device, a saddle folding device and a cradle device, wherein the cradle mode is various, the saddle is adjustable in height, the cradle trolley is foldable, the structure is compact, the cradle trolley is convenient to carry during traveling, the functions of the trolley and the cradle are realized, the cradle trolley is suitable for indoor and outdoor multifunctional cradle trolleys of infants in different age stages, the purchase cost is saved, the time and the space of selection are saved, the structure is simple, the manufacture is easy, and the use is convenient.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and do not constitute a limitation on the invention. In the drawings:

fig. 1 is a front view of the structure of the multifunctional infant cradle stroller of the present invention.

Fig. 2 is a schematic view showing a first cradle of the multifunctional infant stroller according to the present invention in a flat-laid state.

Fig. 3 is a schematic view showing a second cradle of the multifunctional infant stroller according to the present invention in a flat-laid state.

Fig. 4 is a schematic view showing a second cradle of the multifunctional infant stroller according to the present invention in a flat condition.

Fig. 5 is a schematic view showing a state of the multifunctional baby cradle stroller of the present invention in a retracted state.

Fig. 6 is a structural plan view of the cradle device of the multifunctional infant cradle cart of the present invention.

Fig. 7 is a front view showing the construction of a cradle apparatus of the multifunctional infant cradle cart of the present invention.

Fig. 8 is a schematic view showing a first structure of a handle folding device of the multifunctional baby cradle stroller of the present invention.

Fig. 9 is a schematic structural view of a seat folding apparatus of the multifunctional infant cradle stroller of the present invention.

Fig. 10 is a front view of the braking and speed regulating mechanism of the multifunctional baby cradle stroller of the present invention.

FIG. 11 is a top view of the brake and governor mechanism of the multi-functional infant stroller of the present invention.

Fig. 12 is a three-dimensional schematic view of a braking and speed regulating device of the multifunctional baby cradle stroller of the present invention.

Fig. 13 is a schematic structural view of a motor protector of the multifunctional baby cradle stroller of the present invention.

Fig. 14 is a schematic structural view of a backrest folding device of the multifunctional infant cradle stroller of the present invention.

Fig. 15 is a schematic view showing a second structure of the handle bar folding device of the multifunctional infant cradle stroller of the present invention.

The left part of the figure is the rear part in the text description, the right part is the front part in the text description, 1 is a handle bar assembly, 2 is a backrest switch, 3 is a backrest, 4 is a bicycle awning folding device, 5 is a middle foldable armrest, 6 is a side armrest, 7 is a backrest rotating shaft, 8 is an adjustable connecting block, 9 is a leg rest, 9-1 is a leg rest adjusting device, 10 is a saddle folding device, 11 is a power switch, 12 is a brake speed adjusting device, 13 is a connecting seat, 14 is a handle bar folding device positioning shaft, 15 is a connecting plate, 15-1 is a hinge shaft, 16 is a bolt, 17 is a pedal, 18 is a base upper cover plate, 19 is a wheel, 20 is a support frame bottom surface connecting plate, 21 is a motor cover, 22 is a wheel support frame, 23 is a cradle device spring, 24 is a guide rail, 25 is an upper slide block, 25-1 is a lower slide block, 26 is a gear motor connecting seat, 27 is a gear motor, 28 is a swing arm, 29 is a middle slide block, 30 is a rear connecting beam, 30-1 is a front connecting beam, 31 is a motor fixing seat connecting rod, 32 is a middle guide rail, 33 is a storage battery, 34 is a swing arm hinge pin, 35 is a motor protection device, 36 is a fixed handle, 36-1 is a movable handle, 37 is a hinge connecting column, 38 is a locating piece, 39 is a folding handle foot pedal, 40 is a handle positioning block, 41 is a limiting piece, 42 is an upper hinge connecting screw, 43 is a locating column, 44 is a telescopic rod, 44-1 is a telescopic rod locating table, 45 is a pressing contact rod, 46 is a hinge pivot column, 47 is a saddle folding spring, and 48 is a locating connecting piece; 50 is a lower hinge connecting hole, 51 is a fixed rod, and 51-1 is a guide groove; 52 is a knob switch; 53 is a hinge pin; 54 is a feeler lever, 55 is a braking plate device, 55-3 is a braking hook, 56 is a braking spring, 58 is a braking speed regulating device main body, 60 is a touch switch, 61 is a speed regulating switch, 62 is a switch feeler lever, and 63 is a spring hole; 63-1 is a touch spring, 64 is a brake groove; 65 is a brake groove plate, 66 is a clutch housing bolt, 67 is a clutch core, 68 is a clutch upper housing, 68-1 is a clutch lower housing, 69 is a clutch spring, 70 is an adjusting screw, 71 is a winding and unwinding groove, 71-1 is a steel wire rope, 71-2 is a backrest positioning disk, 71-3 is a backrest main body positioning ring, 72 is a backrest positioning block, 73 is a backrest positioning groove, 74 is a connecting piece, 75 is a connecting rod, and 76 is a folding inner spring; 77 is a guide groove; 78. a positioning device; 79. a lower hinge pin post; 80 is an upper hinge pin; 81. a guide hole; 82 is a connecting rod; 83 is a positioning hole; 84 are positioning posts.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to specific embodiments of the present invention and corresponding drawings. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

The following describes in detail the technical solutions provided by the embodiments of the present invention with reference to the accompanying drawings.

Example 1

The multifunctional baby cradle stroller is shown in fig. 1 and comprises a handlebar assembly 1, a handlebar folding device, a saddle assembly, a saddle folding device 10, a base, cradle devices, a brake speed regulating device 12 and wheels 19, wherein the saddle assembly comprises a backrest switch 2, a backrest 3, a backrest folding device, a hood folding device 4, a middle foldable handrail 5, side handrails 6, a backrest rotating shaft 7, an adjustable connecting block 8, a leg support 9 and a saddle body, the backrest switch 2 is arranged at the upper end of the backrest 3, the backrest 3 is connected with the saddle body through the backrest rotating shaft 7, the backrest rotating shaft 7 is connected with the backrest folding device, the hood folding device 4 is arranged at two sides of the backrest 3, the side handrails 6 are arranged at two sides of the saddle body, the middle foldable handrail 5 is arranged at the center of the front end of the saddle body, and the leg support 9 is arranged below the front end of the saddle body through the leg support regulating device 9-1; the saddle assembly is connected with the handlebar assembly 1 through an adjustable connecting block 8; the lower end of the handle bar assembly 1 is connected with a handle bar folding device, the handle bar folding device is connected with an upper sliding block 25 and a lower sliding block 25-1 of the cradle device, and the right side of the bottom surface of the saddle assembly is connected with the left end of a top surface pedal 17 of the cradle device through a saddle folding device 10; the cradle device is arranged in the base, the brake speed regulating device 12 is arranged at the rear end of the base, and the wheels 19 are arranged at the lower part of the base.

Wherein, the saddle assembly can be used as a cradle, and the saddle folding device 10 is connected with the left end of the pedal 17 of the cradle device through the connecting seat 13; is connected to the bottom right side of the seat assembly by an upper hinge connecting screw 42.

Example 2

A multifunctional infant cradle stroller, as shown in fig. 1 and 8, is similar to embodiment 1 except that the handlebar assembly 1 includes a fixed handle 36 and a movable handle 36-1, the movable handle 36-1 is mounted on the upper end of the fixed handle 36, and the two parallel fixed handles 36 are connected to the seat by two parallel adjustable connection blocks 8.

Still further, as shown in fig. 1 and 6, the base includes a support frame bottom surface connecting plate 20, a wheel support frame 22, a front connecting beam 30-1, a rear connecting beam 30 and a base upper cover plate 18, the wheels 19 are respectively mounted on the two parallel wheel support frames 22, the support frame bottom surface connecting plate 20 is mounted at the bottom of the wheel support frames 22, the base upper cover plate 18 is mounted at the top of the wheel support frames 22, and the front connecting beam 30-1 and the rear connecting beam 30 are respectively mounted at the front end and the rear end between the two parallel wheel support frames 22.

Wherein two parallel wheel supports 22 and support bottom connection plates 20 and base upper cover plate 18 with two parallel guide grooves form a box.

The cradle device comprises a cradle device spring 23, a guide rail 24, an upper sliding block 25, a lower sliding block 25-1, a gear motor connecting seat 26, a gear motor 27, a swinging arm 28, a middle sliding block 29, a motor fixing seat connecting rod 31, a middle guide rail 32, a swinging arm hinge pin 34, a motor protection device 35, a storage battery 33 and a pedal 17, wherein two ends of the motor fixing seat connecting rod 31 are connected with a wheel supporting frame 22, the gear motor connecting seat 26 is arranged on the motor fixing seat connecting rod 31, the gear motor 27 is arranged on the gear motor connecting seat 26, a motor protection device 35 is arranged at the shaft end of the gear motor 27, the gear motor 27 is connected with the swinging arm 28 through the motor protection device 35, the other end of the swinging arm 28 is provided with a swinging arm hinge pin 34, the swinging arm hinge pin 34 is connected with the middle sliding block 29, the middle sliding block 29 is arranged on the middle guide rail 32 through a sliding bearing, the middle guide rail 32 is arranged between the two parallel upper sliding blocks 25 and the lower sliding blocks 25-1, the two parallel upper sliding blocks 25 and the lower sliding blocks 25-1 are respectively arranged on the two parallel guide rails 24 through the sliding bearings, the upper sliding blocks 24 and the two ends of the sliding blocks 25-1 are respectively, and the two ends of the springs of the cradle device 25 and the upper sliding blocks 25-1 are increased in comfort level, and the riding comfort level is improved; the front and rear ends of the two parallel guide rails 24 are respectively connected with the front connecting beam 30-1 and the rear connecting beam 30, the front connecting beam 30-1 and the rear connecting beam 30 are respectively connected with the two parallel wheel supporting frames 22, the two parallel upper sliding blocks 25 and the two parallel lower sliding blocks 25-1 penetrate through the two parallel guide slots on the upper cover plate 18 of the base and are connected with the two parallel connecting plates 15, the two parallel connecting plates 15 are fixedly arranged on the pedal 17 through handlebar folding connecting bolts 16, the two parallel connecting plates 15 are respectively connected with the two parallel upper sliding blocks 25 and the two parallel lower sliding blocks 25-1, and the two parallel connecting plates 15 are connected with the two parallel fixing handles 36 through hinge shafts 15-1 in the connecting plates 15; the two parallel fixing handles 36 are connected to the saddle through two parallel adjustable connecting blocks 8, and the adjustable connecting blocks 8 realize the height adjustment of the saddle assembly; through the connection, the rotary motion of the motor is converted into the reciprocating swing of the saddle assembly, and the swing of the cradle is realized.

It is further contemplated that the guide rail 24 may be linear or arcuate.

It is further possible that the gear motor 27 includes a motor and a decelerator.

It is further possible that the motor is provided with a motor cover 13.

Still further, as shown in fig. 13, the motor protector 35 includes a clutch housing bolt 66, a clutch core 67, a clutch upper housing 68, a clutch lower housing 68-1, a clutch spring 69, an adjusting screw 70, and a steel ball 70-1, the clutch upper housing 68 and the clutch lower housing 68-1 are connected by the clutch housing bolt 66, the clutch core 67 is installed in the clutch upper housing 68 and the clutch lower housing 68-1, the adjusting screw 70 is installed at the right end of the clutch spring 69 for pressing the clutch spring 69, the left end of the clutch spring 69 presses one end of the steel ball 70-1, and the other end of the steel ball 70-1 is in contact with the clutch core 67.

By adjusting the adjusting screw 70, the acting force of the clutch spring 69 on the steel ball 70-1 is equal to the friction force required by the rated requirement, and when the cradle is overloaded, the speed reducing motor 27 drives the clutch core 67 to rotate in the clutch upper shell 68 and the clutch lower shell 68-1, so that the motor is not overloaded, and the purpose of the speed maintaining motor is achieved.

When overload is eliminated, the steel ball 70-1 is positioned at the circular bottom of the clutch core 67 under the action of the clutch spring 69, so that the gear motor 27 drives the swing arm 28 to rotate, and the cradle swings reciprocally.

The motor protector 35 plays a role in protecting the motor when the function of the cradle is overloaded.

It is further noted that, as shown in fig. 1 and 8, the handlebar folding device includes a handlebar folding device positioning shaft 14, and two ends of the handlebar folding device positioning shaft 14 are respectively connected to two parallel connection plates 15.

Still further, the handlebar folding device positioning shaft 14 is provided with a handlebar folding device spring, one end of the handlebar folding device spring is pressed on the pedal 17, the other end of the handlebar folding device spring is pressed on the folding pedal 39, the folding pedal 39 and the limiting piece 41 are fixedly installed on the handlebar folding device positioning shaft 14, and the positioning piece 38 is on the connecting plate 15.

When the folding pedal 39 is stepped on, the limiting piece 41 moves downwards, so that the handle positioning piece 40 leaves the limiting piece 41, and at the moment, the handle can be retracted; when the folding pedal 39 is released, the limiting piece 41 is lifted under the action of spring force, and when the handlebar is gradually unfolded, the inclined surface of the handlebar positioning piece 40 is pressed and contacted with the limiting piece 41 to rotate continuously, so that the lower end of the handlebar positioning piece 40 is clamped on the limiting piece 41, the side surface of the handlebar positioning piece 40 is contacted with the positioning piece 38, and at the moment, the handlebar is unfolded, as shown in fig. 8; the cradle cart can achieve the state shown in fig. 1, 2, 3, 4 and 5 in cooperation with a seat folding device and a backrest folding device.

It is also preferable that the upper end of the connection plate 15 is provided with a positioning piece 38, and a handle bar positioning piece 40 is mounted at the lower end of the fixing knob 36.

Further, the handlebar folding device is connected with two parallel fixing handles 36 through a hinge connecting post 37, and is fixedly installed on the foot pedal 17, the upper slide block 25 and the lower slide block 25-1 through a handlebar folding connecting bolt 16.

Still further, the seat folding device 10 includes a positioning connection piece 48, a telescopic rod 44, a lower fixing rod 51, an upper hinge connection rod 42, a lower hinge connection point 50, a hinge pivot post 46 and a seat folding spring 47, wherein the upper hinge connection rod 42 is connected with the right side of the bottom of the seat assembly, the lower hinge connection point 50 is arranged at the right end of the lower fixing rod 51, the hinge pivot post 46 passes through the positioning connection piece 48 to be connected with the lower fixing rod 51, the left lower end of the positioning connection piece 48 is provided with a positioning post 43, the lower middle end of the positioning connection piece 48 is provided with a pressing contact rod 45, the seat folding spring 47 is sleeved on the hinge pivot post 46, and the lower hinge connection point 50 is connected with the pedal 17, so that the seat body, the seat folding device 10 and the handlebar assembly 1 are distributed in a triangle.

When the seat body is in the horizontal position as in fig. 1, the seat folding device is in the state of fig. 9; when the handle bar assembly is lifted, the lower fixing rod 51 rotates around the lower hinge connection point 50 to enable the pressing contact rod 45 and the positioning column 43 to be in the state of fig. 9 under the action of the spring 47 in the process that the saddle body reaches the horizontal position, and when the saddle body reaches the horizontal position, the positioning table 44-1 on the telescopic rod 44 is clamped to the left side of the positioning column 43, and the saddle body cannot move downwards, so that the function of supporting the saddle at the horizontal position is achieved; when the saddle body is retracted, the pressing contact rod 45 firstly contacts the pedal 17, so that the positioning column 43 is lifted up around the hinge fulcrum column 46, at the moment, the telescopic rod 44 is pulled out, and the saddle body is put down, so that the handlebar folding device and the backrest folding device are matched, and various modes are combined as shown in figures 1, 2, 3, 4 and 5.

Still further, as shown in fig. 14, the backrest folding device comprises a wire rope 71-1, a backrest positioning plate 71-2, a backrest positioning plate 72 and a backrest main body positioning ring 71-3, wherein the backrest positioning plate 71-2 is connected with the seat body, the backrest positioning plate 72 is provided with a retraction groove 71, the wire rope 71-1 is connected with the backrest positioning plate 72 through the retraction groove 71, the backrest main body positioning ring 71-3 is provided with a positioning groove 73, the backrest positioning plate 72 is embedded in the positioning groove 73, and the backrest main body positioning ring 71-3 is coaxially connected with the backrest positioning plate 71-2.

When the backrest switch 2 is pulled, the backrest rotates through the backrest rotating shaft 7, so that the backrest positioning block 72 leaves the backrest positioning groove 73 under the action of the tension of the steel wire rope 71-1, rotates along the outer ring of the backrest positioning disc 71-2, the backrest switch 2 is loosened, the backrest positioning block 72 is respectively inserted into the backrest positioning groove 73 under the action of a spring force, and the backrest is parked at different positions by being matched with the handlebar folding device and the saddle folding device, as shown in fig. 1, 2, 3, 4 and 5.

Still further, as shown in fig. 10 to 12, the brake governor 12 includes a brake governor main body 58, a knob switch 52, a brake plate device 55, a touch switch 60, a governor switch 61, a switch touch lever 62, a spring 63-1, a brake slot 65, a hinge pin 53 and a touch lever 54, the knob switch 52 is connected to the left end of the brake governor main body 58, the brake plate device 55 is mounted on the upper end of the brake governor main body 58, the touch switch 60 is embedded in the brake governor main body 58, the governor switch 61 is mounted on the side of the brake governor main body 58, the switch touch lever 62 is connected to the touch switch 60, the touch spring 63-1 is mounted in a spring hole 63 of the brake governor main body 58, the brake slot 65 is fixed under the foot pedal 17, the hinge pin 53 is connected to the brake plate device 55, and the touch lever 54 is mounted in the brake governor main body 58.

It is further possible that the right end of the brake pedal device 55 is provided with a brake hook 55-3.

Further, the brake groove plate 65 may be provided with a brake groove 64.

Still further, the brake speed regulating device 12 is mounted on the rear connecting beam 30, the brake groove plate 65 is mounted on the pedal 17, the brake speed regulating device 12 brakes at the end of the travel, the switch contact rod 62 is adjusted to enable the brake speed regulating device 12 to break the power before braking when braking, and the stopping of the swinging device can be achieved by adjusting the speed regulating switch 61.

When the knob switch 52 is turned on, the feeler lever 54 is in a downward position, the front end of the braking vane device 55 is separated from the braking slot plate 65, the rear end is at a cam high point, so that the braking hook 55-3 rotates through the hinge pin 53 and leaves the braking slot 64, at the moment, the braking slot plate 65 is loosened, the switching feeler lever 62 presses down the touch switch 60, the motor is electrified, and the cradle swings reciprocally; when the knob switch 52 rotates, the feeler lever 54 is lifted, at the moment, the motor drives the brake groove plate 65 arranged on the pedal 17 to move backwards, when the brake groove plate 65 touches the feeler lever 54, the feeler lever 54 compresses the brake spring 56 to move backwards, at the moment, the brake plate device 55 is positioned at a low point position under the action of spring force through the hinge pin 53, and the brake coupler 55-3 is lifted to reach the brake groove 64 on the brake groove plate 65, so that the purpose of braking is achieved; in the process that the brake hook 55-3 reaches the brake groove 64, the power supply is firstly powered off by adjusting the switch feeler lever 62, and the brake hook 55-3 reaches the bottom of the brake groove 64 under the action of inertia, so that the motor is protected, and an infant sits comfortably when parking; the speed of the motor can be regulated by the speed regulating switch 61 to regulate the reciprocating swing speed of the cradle, thereby being suitable for infants in different ages.

It is further possible that the wheels 19 comprise front wheels and rear wheels.

Example 3

It is further possible that the multifunctional baby cradle trolley is provided with a power switch 11 as shown in fig. 1.

When the power switch 11 is turned on and the power is turned on, the motor rotation motion is changed into the reciprocating motion of the upper slide block 25 and the lower slide block 25-1, so that the reciprocating swing of the cradle is realized, and the cradle state is achieved at the moment; when the power switch 11 is powered off, the cradle is fixed at the middle position through the brake speed regulating device 12, a cart state is achieved at the moment, the different states of the cradle cart are combined through the folding device, the height of the saddle body is adjustable through the adjustable connecting block 8 in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the swing speed of the cradle is adjustable through the speed regulating switch 61, and the cradle is suitable for indoor and outdoor multifunctional cradle carts of infants in different age stages.

It is further possible that the upper ends of the two parallel connection plates 15 are connected to a handle bar through a hinge shaft 15-1, and the handle bar is connected to the saddle body through two parallel adjustable connection blocks 8; the lower ends of the two parallel connection plates 15 are connected to the two parallel upper and lower sliders 25 and 25-1.

It is further possible to provide two parallel adjustable connection blocks 8, which allow to adjust the height of the saddle body.

It is still further possible that the upper ends of the two parallel saddle folding devices are connected to the saddle body through a hinge, and the lower ends are connected to the pedal 17 through a hinge, so that the saddle body, the saddle folding device 10 and the handlebar assembly 1 are distributed in a triangle.

It is further possible that the foot pedal 17 is connected to two parallel connection plates 15 and two parallel upper and lower sliders 25, 25-1.

Further, the brake speed regulating device 12 is installed on the rear connecting beam 30, the brake groove plate 65 is installed on the pedal 17, and the brake is braked when the pedal 17 drives the seat to move to the stroke end; the speed regulating device 12 is powered off and then braked when braking by adjusting the switch contact rod 62, and the speed regulating switch 61 can be adjusted to realize the swinging speed of the cradle.

It is further possible that the handle bar assembly 1 is telescopic and height-adjustable.

It is further possible that the front wheels of the wheels 19 are universal wheels and the rear wheel bands of the wheels 19 are braked independently.

It is still further possible that the baby stroller becomes a baby bassinet when energized; when the power is cut off, the baby cradle car is changed into a baby cart.

The seat can be a cradle, and the combination of different states of the cart and the cradle is realized through the combination of the seat folding device, the handle folding device and the backrest folding device, and the combination is shown in figures 1, 2, 3, 4 and 5.

Example 4

The multifunctional baby cradle cart can further be characterized in that the motor and the speed reducer can be vertically or horizontally arranged in the base, can be arranged on the front connecting beam 30-1, can be arranged on the rear connecting beam 30, can be arranged on the wheel support 22 or can be arranged on the base through other connection.

The motor can be a stepping motor or a servo motor, and can be connected through a synchronous belt or a screw rod or other mechanisms, so that the rotary motion of the motor is converted into the reciprocating swing of the cradle.

It is further possible that the cradle device spring 23 is installed at both ends of the upper slider 25 and the lower slider 25-1 or at the left side of the upper slider 25 and the right side of the lower slider 25-1 through the guide rail 24, respectively; either on the right side of the upper slider 25 and the left side of the lower slider 25-1 or on the motor protector or on the front and rear connecting beams 30-1 and 30 or on the wheel support 22, the spring may be in the form of a compression spring, a tension spring, or a leaf spring or others.

The cradle can further move along the arc track through the parts connected with the upper slide block 25 and the lower slide block 25-1 to realize the up-down and back-and-forth movement of the cradle; the cradle can move up and down and back and forth through the arc-shaped guide rail.

Example 5

The multifunctional baby cradle trolley can further brake at the end of travel, and the braking is preferential.

It is further possible that the braking is controlled by a servo motor or a stepper motor by a program.

Further still, by installing the sensor and the electromagnet clutch, the brake can be controlled by detecting the position of the sensor and the electromagnet clutch.

It is further contemplated that the brake governor device 12 may be mounted to the front connecting beam 30-1.

Further still, the brake governor device 12 may be mounted on the foot pedal 17 and the brake channel plate 65 mounted on the base upper cover plate 18.

Further still, the brake governor device 12 may be mounted on the wheel support 22.

Example 6

The multifunctional baby cradle cart may further have motor protection priority, and the motor protection may be realized through toothed clutch.

It is further possible that motor protection is also achieved by friction plates.

Example 7

As shown in fig. 15, the handle folding device, the handle folding switch, the connecting piece 74 and the connecting rod 82 are respectively connected with the connecting piece 74 and the connecting rod 75 through the upper hinge pin 80, the lower end of the fixed handle 36 is provided with a guide groove 77, the connecting plate 15 is provided with a positioning device 78, and a lower hinge pin post 79 is connected between the connecting plate 15 and the fixed handle 36; the lower end of the fixed handle 36 is provided with a guide hole 81.

When the handle assembly is retracted, the handle fold switch is turned, causing the fixed post 84 to which the connecting rod 75 is connected to compress the folded inner spring 76 to move upwardly, and when the positioning post 84 leaves the positioning hole 83, the positioning is disabled, allowing the handle assembly to be retracted.

When the handle bar assembly is unfolded, the handle bar assembly is gradually lifted, the positioning column 84 at the lower end of the connecting rod 75 moves along the contact surface of the positioning device, and when the connecting rod moves to the positioning hole 83, the positioning column 84 is inserted into the positioning hole 83 under the action of the folding inner spring 76, the side surface of the fixed handle 36 contacts with the side surface of the positioning device, and the handle bar assembly is unfolded.

It is further possible that the wheels 19 are small in front and large in rear, or large in front and small in rear, or as large as the front and rear.

Still further, the cradle cart may further comprise a speaker, a locator.

It is still further possible that the cradle cart is front-wheel driven or rear-wheel driven or front-rear-wheel driven.

Further, the saddle or cradle can be directly fixed on the handlebar assembly 1, so that the handlebar assembly 1 is connected with the upper slide block 25 and the lower slide block 25-1 through the connecting plate 15, and the dual functions of the cart and cradle are realized.

The foregoing is merely exemplary of the present application and is not intended to limit the present application. Various modifications and changes may be made to the present application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc. which are within the spirit and principles of the present application are intended to be included within the scope of the claims of the present application.

Claims

1. The multifunctional baby cradle trolley comprises a handlebar assembly (1), a handlebar folding device, a saddle assembly, a saddle folding device (10), a base, cradle devices, a brake speed regulating device (12) and wheels (19), and is characterized in that the saddle assembly comprises a backrest switch (2), a backrest (3), a backrest folding device, a tent folding device (4), a middle foldable armrest (5), side armrests (6), a backrest rotating shaft (7), an adjustable connecting block (8), a leg support (9) and a saddle body, the backrest switch (2) is arranged at the upper end of the backrest (3), the backrest (3) is connected with the saddle body through the backrest rotating shaft (7), the backrest rotating shaft (7) is connected with the backrest folding device, the tent folding device (4) is arranged at two sides of the backrest (3), the side armrests (6) are arranged at two sides of the saddle body, the middle foldable armrest (5) is arranged at the center of the front end of the saddle body, and the leg support (9) is arranged below the front end of the saddle body through the leg support adjusting device (9-1); the saddle assembly is connected with the handlebar assembly (1) through an adjustable connecting block (8); the lower end of the handlebar assembly (1) is connected with a handlebar folding device, the handlebar folding device is connected with an upper sliding block (25) and a lower sliding block (25-1) of the cradle device, and the right side of the bottom surface of the saddle assembly is connected with the left end of a top surface pedal plate (17) of the cradle device through a saddle folding device (10); the cradle device is arranged in the base, the brake speed regulating device (12) is arranged at the rear end of the base, and the wheels (19) are arranged at the lower part of the base.

2. The multifunctional baby cradle stroller according to claim 1, characterized in that the handle bar assembly (1) comprises a fixed handle (36) and a movable handle (36-1), the movable handle (36-1) is arranged at the upper end of the fixed handle (36), and the two parallel fixed handles (36) are connected with the saddle through two parallel adjustable connecting blocks (8).

3. The multi-functional stroller of claim 1, wherein the base comprises a support frame bottom surface connection plate (20), a wheel support frame (22), a front connection beam (30-1), a rear connection beam (30), and a base upper cover plate (18), the wheels (19) are respectively mounted on the two parallel wheel support frames (22), the support frame bottom surface connection plate (20) is mounted at the bottom of the wheel support frames (22), the base upper cover plate (18) is mounted at the top of the wheel support frames (22), and the front connection beam (30-1) and the rear connection beam (30) are respectively mounted at the front end and the rear end between the two parallel wheel support frames (22).

4. A multifunctional baby cradle stroller as claimed in claim 3, characterized in that the cradle device comprises a cradle device spring (23), a guide rail (24), an upper slide block (25), a lower slide block (25-1), a gear motor connecting seat (26), a gear motor (27), a swing arm (28), an intermediate slide block (29), a motor fixing seat connecting rod (31), an intermediate guide rail (32), a swing arm hinge pin (34), a motor protecting device (35), a storage battery (33) and a foot pedal (17), two ends of the motor fixing seat connecting rod (31) are connected with a wheel supporting frame (22), the gear motor connecting seat (26) is arranged on the motor fixing seat connecting rod (31), the gear motor (27) is arranged on the gear motor connecting seat (26), the gear motor (27) is provided with the motor protecting device (35) at the shaft end, the gear motor (27) is connected with a swing arm (28) through the motor protecting device (35), the other end of the swing arm (28) is provided with the swing arm hinge pin (34), the intermediate slide block (29) is arranged on the intermediate guide rail (32) through a sliding bearing, the intermediate guide rail (32) is arranged between the upper slide block (25) and the lower slide block (25) in parallel, the cradle device is characterized in that the two parallel upper sliding blocks (25) and the two parallel lower sliding blocks (25-1) are respectively arranged on the two parallel guide rails (24) through sliding bearings, the cradle device springs (23) are arranged at the left ends of the upper sliding blocks (25) and the lower sliding blocks (25-1) on the guide rails (24), the front and rear ends of the two parallel guide rails (24) are respectively connected with the front connecting cross beam (30-1) and the rear connecting cross beam (30), the front connecting cross beam (30-1) and the rear connecting cross beam (30) are respectively connected with the two parallel wheel supporting frames (22), the two parallel upper sliding blocks (25) and the lower sliding blocks (25-1) penetrate through two parallel guide grooves on the base upper cover plate (18) and are connected with the two parallel connecting plates (15), the two parallel connecting plates (15) are fixedly arranged on the pedal plates (17) through handlebar folding connecting bolts (16), the two parallel connecting plates (15) are respectively connected with the two parallel upper sliding blocks (25) and the lower sliding blocks (25-1), and the two parallel connecting plates (15) are fixedly connected with the two pedal plates (36) through connecting plates (15) inside the hinge shafts (15).

5. The multi-functional stroller of claim 4, wherein the motor protector (35) comprises a clutch housing bolt (66), a clutch core (67), a clutch upper housing (68), a clutch lower housing (68-1), a clutch spring (69), an adjusting screw (70) and a steel ball (70-1), the clutch upper housing (68) and the clutch lower housing (68-1) are connected by the clutch housing bolt (66), the clutch core (67) is mounted in the clutch upper housing (68) and the clutch lower housing (68-1), the adjusting screw (70) is mounted at the right end of the clutch spring (69) for pressing the clutch spring (69), the left end of the clutch spring (69) presses one end of the steel ball (70-1), and the other end of the steel ball (70-1) is in contact with the clutch core (67).

6. The multifunctional baby cradle stroller of claim 1, wherein the handlebar folding device comprises a handlebar folding device positioning shaft (14), and two ends of the handlebar folding device positioning shaft (14) are respectively connected with two parallel connecting plates (15).

7. The multi-functional stroller of claim 6, wherein the handle-bar folding device positioning shaft (14) is provided with a handle-bar folding device spring, one end of the handle-bar folding device spring is pressed on the pedal plate (17), the other end of the handle-bar folding device spring is pressed on the folding pedal plate (39), the folding pedal plate (39) and the limiting piece (41) are fixedly installed on the handle-bar folding device positioning shaft (14), and the positioning piece (38) is on the connecting plate (15).

8. The multifunctional baby cradle stroller as claimed in claim 1, characterized in that the seat folding device (10) comprises a positioning connecting piece (48), a telescopic rod (44), a fixing rod (51), an upper hinge connecting rod (42), a lower hinge connecting point (50), a hinge pivot post (46) and a seat folding spring (47), wherein the upper hinge connecting rod (42) is connected with the right side of the bottom of the seat assembly, the lower hinge connecting point (50) is arranged at the right end of the fixing rod (51), the hinge pivot post (46) penetrates through the positioning connecting piece (48) to be connected with the fixing rod (51), the left lower end of the positioning connecting piece (48) is provided with a positioning post (43), the middle lower end of the positioning connecting piece (48) is provided with a pressing contact rod (45), the seat folding spring (47) is sleeved on the hinge pivot post (46), the lower hinge connecting point (50) is connected with the pedal plate (17), and the seat body, the seat folding device (10) and the handlebar assembly (1) are distributed in a triangle shape.

9. The multifunctional baby cradle stroller of claim 1, wherein the backrest folding device comprises a steel wire rope (71-1), a backrest positioning disk (71-2), a backrest positioning disk (72) and a backrest main body positioning ring (71-3), the backrest positioning disk (71-2) is connected with the seat body, the backrest positioning disk (72) is provided with a retraction groove (71), the steel wire rope (71-1) is connected with the backrest positioning disk (72) through the retraction groove (71), the backrest main body positioning ring (71-3) is provided with a positioning groove (73), the backrest positioning disk (72) is embedded in the positioning groove (73), and the backrest main body positioning ring (71-3) is coaxially connected with the backrest positioning disk (71-2).

10. The multifunctional baby cradle stroller of claim 1, wherein the brake governor device (12) comprises a brake governor device body (58), a knob switch (52), a braking vane device (55), a touch switch (60), a governor switch (61), a switch feeler lever (62), a spring (63-1), a brake slot plate (65), a hinge pin (53) and a feeler lever (54), the knob switch (52) is connected with the left end of the brake governor device body (58), the braking vane device (55) is mounted at the upper end of the brake governor device body (58), the governor switch (60) is embedded and mounted inside the brake governor device body (58), the governor switch (61) is mounted on the side of the brake governor device body (58), the switch feeler lever (62) is connected with the touch switch (60), the touch spring (63-1) is mounted in a spring hole (63) of the brake governor device body (58), the brake slot plate (65) is fixed below the foot pedal (17), the hinge pin (53) is connected with the brake vane device (55), and the feeler lever (54) is mounted inside the brake governor device body (58).