CN109941336B

CN109941336B - A multifunctional stroller

Info

Publication number: CN109941336B
Application number: CN201910315709.3A
Authority: CN
Inventors: 于婷; 李可蒙; 李欣欣
Original assignee: Jilin University
Current assignee: Jilin University
Priority date: 2019-04-19
Filing date: 2019-04-19
Publication date: 2021-03-23
Anticipated expiration: 2039-04-19
Also published as: CN109941336A

Abstract

The invention relates to a multifunctional baby carriage, comprising a frame body, a storage box, a lying device and a handle frame. The middle part of the frame body is provided with a groove, a storage box is installed in the groove, and the frame body is provided with a groove. The upper end is provided with a lying device, the front end of the lying device is installed on the upper end of the frame body, the rear end of the lying device is connected with the middle of the handle frame, the handle frame is a U-shaped structure, and the front end of the handle frame is installed on the frame body through a hinge seat. The present invention can solve the problem that the existing baby carriage has poor shock absorption effect, is easy to hit the baby's head when encountering obstacles, and cannot store the baby's personal belongings, and the lying posture of the existing baby carriage is usually fixed. It can not meet the problems of lying down and lying down at the same time, and has the advantages of good shock absorption effect, avoiding the collision of the baby's head, storing the baby's belongings, and arbitrarily adjusting the lying position of the baby.

Description

Multifunctional baby carriage

Technical Field

The invention relates to the technical field of baby carriages, in particular to a multifunctional baby carriage.

Background

The baby carriage is a tool carriage which is designed for providing convenience for outdoor activities of babies, is a favorite walking vehicle for babies, and is an essential product for mothers to go shopping on the street with the babies. The baby carriage has various models, but the baby carriage can be divided into various types according to the growth and the use of the baby.

At present, the existing baby carriage usually has the following defects when in use: 1. the shock absorption effect is poor, and the head of the baby is easy to be impacted when the baby meets an obstacle, so that the head development of the baby is influenced; 2. the portable article storage device has no fixed storage space, and can not store the portable articles of the baby, thereby influencing the use; 3. the lying posture of the existing baby carriage is usually fixed, and the lying posture and the sitting posture of the baby cannot be satisfied at the same time.

In order to solve the problem of the deficiency of the existing devices, the existing patent documents also provide solutions, for example, chinese patent No. 201810186731.8 discloses a stroller, which is provided with a locking mechanism between a handle set and a sliding member, wherein the locking mechanism is used for locking a frame in an unfolded state, so that the frame of the stroller can be conveniently and fully folded, but the stroller only has a folding function, but cannot be adjusted according to the lying posture of the baby; still like the chinese utility model patent of patent No. 201820423644.5 discloses a perambulator, this perambulator passes through mutually supporting between the multiunit member, realizes fixing the sitting and lying posture of baby, and nevertheless the device regulation effect is poor, uses inconveniently, causes the strain to baby's health easily.

Disclosure of Invention

In order to solve the problems, the invention provides a multifunctional baby carriage which can solve the problems that the existing baby carriage is poor in damping effect, easily collides with the head of a baby when encountering an obstacle and cannot store personal articles of the baby, the lying posture of the existing baby carriage is usually fixed and cannot simultaneously meet the requirements of the baby for lying, sitting and lying and the like, the function of adjusting different lying postures of the baby can be realized, the multifunctional baby carriage has the advantages of being good in damping effect, capable of avoiding the head of the baby from colliding, capable of storing the personal articles of the baby and capable of randomly adjusting the lying posture of the baby.

In order to achieve the purpose, the invention adopts the following technical scheme that the multifunctional baby carriage comprises a carriage body, a storage box, a lying device and a handle frame, wherein a groove is formed in the middle of the carriage body, the storage box is installed in the groove, the lying device is arranged at the upper end of the carriage body, the front end of the lying device is installed at the upper end of the carriage body, the rear end of the lying device is connected with the middle of the handle frame, the handle frame is of a U-shaped structure, and the front end of the handle frame is installed on the carriage body through a hinged support.

The lying device comprises a hinged seat, a fixed plate, a lying frame, a lying mechanism, a regulating roller, a sunshade frame and a sliding mechanism, wherein the hinged seat is installed at the upper end of the front side of the frame body, the front end of the fixed plate is connected with the hinged seat through a pin shaft, the lying frame is installed at the upper end of the fixed plate, the sliding mechanism is installed at the rear side of the lying frame, the sliding mechanism is located in the handle frame, the lying mechanism is installed in the lying frame, the regulating roller is symmetrically installed in the lying frame through a bearing, the regulating roller is located at the lower end of the lying mechanism, the sunshade frame is installed at the rear side of the upper end of the lying frame, and safety belts are evenly installed in the middle; when the baby sleeps well, the handle frame drives the lying frame to be horizontally placed through the sliding mechanism, the lying mechanism is in a flat state, the baby can lie down and sleep well in the baby carriage, the sunshade frame can adjust the irradiation range of sunlight, the safety belt can prevent the baby from falling, when the baby wakes up, the handle frame drives the lying frame to incline upwards by a certain angle through the sliding mechanism, meanwhile, the lying mechanism is transformed into an inwards-concave arc-shaped structure, the lying mechanism is convenient to be attached to the sitting and lying posture of the baby, and the comfort level of the baby in the sitting and lying process is guaranteed.

The mechanism of lying include the board of lying, flexible pad, backup pad and elevating system, the inside upper end of the frame of lying install the board of lying, the board of lying is the semi-rigid structure, the flexible pad is installed to the board upper end of lying, nest board lower extreme mid-mounting of lying has the backup pad, the backup pad outside is connected with elevating system, elevating system installs on the nest frame lateral wall of lying, concrete during operation, when the handle frame drove the frame of lying and inclines, elevating system drives the board of lying through the backup pad and carries out the downstream, the board of lying is inwards sunken, the adjusting roll can guarantee that the board of lying after sunken and baby's the posture of lying laminate mutually.

As a preferred technical scheme of the invention, the frame body comprises a front wheel frame, support frames, a fixing shaft and rear wheels, the support frames are symmetrically arranged at the rear ends of the front wheel frame, the support frames are obliquely arranged, the fixing shaft is arranged between the rear ends of the support frames, the rear wheels are arranged on the outer sides of the fixing shafts through bearings, and anti-skid grains are uniformly arranged on the rear wheels.

As a preferred technical scheme of the invention, the front wheel frame comprises connecting frames, connecting plates, shock-absorbing columns, cylindrical shafts and front wheels, wherein the two connecting frames are arranged at the front end of the supporting frame and symmetrically arranged at the front end of the supporting frame, the connecting frames are of arc-shaped structures, the connecting plates are arranged at the lower ends of the front sides of the connecting frames, the shock-absorbing columns are symmetrically arranged at the lower ends of the connecting plates, the cylindrical shafts are arranged between the lower ends of the shock-absorbing columns, and the front wheels are arranged on the outer sides of the cylindrical shafts through bearings.

As a preferred technical scheme, the shock absorption column comprises a sleeve, a sliding column, an expansion spring and a limiting plate, the sleeve is installed on the front side of the connecting plate, the sliding column is connected inside the sleeve in a sliding fit mode, the limiting plate is installed at the lower end of the sliding column, and the expansion spring is installed on the sliding column located between the limiting plate and the sleeve.

According to a preferred technical scheme, the upper end of the inside of the storage box is further provided with a winding roller, the winding roller is installed on the inner side wall of the storage box through a reset torsion spring, shielding cloth is arranged on the winding roller, clamping plates are installed on the shielding cloth and connected with sliding groove frames in a sliding fit mode, the sliding groove frames are symmetrically installed on the side wall of the storage box, and clamping frames are installed at the rear end of the inner side of the storage box and are in clamping fit with clamping plates.

As a preferred technical scheme, the clamping frame comprises a U-shaped frame, a clamping plate, a connecting rod, an extrusion spring and an extrusion plate, the U-shaped frame is installed on the storage box, a sliding groove is formed in the U-shaped frame, the clamping plate is connected to the inside of the sliding groove in a sliding fit mode, the connecting rod is installed at the upper end of the clamping plate, the extrusion plate is installed at the upper end of the connecting rod, penetrates through the U-shaped frame, and the extrusion spring is installed on the connecting rod located at the lower end of the extrusion plate.

As a preferred technical scheme, the lying plate is formed by hinging a plurality of rectangular plates through hinges, each rectangular plate comprises an H-shaped plate, an extension spring and a clamping plate, a clamping groove is formed in the middle of the H-shaped plate, the extension spring is arranged in the clamping groove, the clamping plate is arranged at the outer end of the extension spring and clamped with the outer side of the H-shaped plate, and the clamping plates are connected through the hinges.

As a preferred technical scheme of the invention, the sliding mechanism comprises a sliding groove, a sliding plate, a rotating seat, a buckling plate and a latch plate, the sliding groove is installed inside the handle frame, the sliding plate is installed inside the sliding groove in a sliding fit manner, the inner side of the sliding plate is connected with the lying frame through the rotating seat, the buckling plate is installed on the outer side of the sliding plate through a hinge shaft, the latch plate is installed at the upper end of the handle frame, and the latch matched with the latch plate is arranged on the buckling plate.

The invention has the beneficial effects that:

1. the invention can solve the problems that the existing baby carriage has poor shock absorption effect, is easy to collide with the head of a baby when encountering obstacles, cannot store personal articles of the baby, is usually fixed in lying posture, cannot simultaneously meet the requirements of the baby for lying, sitting and lying and the like, can realize the function of adjusting different lying postures of the baby, has the advantages of good shock absorption effect, avoiding the collision of the head of the baby, storing the personal articles of the baby and randomly adjusting the lying posture of the baby;

2. the storage box is designed, the storage box can store personal articles of infants, is convenient to use, and avoids pollution of dust to infant products;

3. the invention designs the lying device which can randomly adjust the lying posture of the baby, is suitable for different states of the baby during sleeping and waking up, and ensures the comfort of the baby during riding.

Drawings

The invention is further illustrated with reference to the following figures and examples.

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

FIG. 2 is a schematic structural view between the frame body and the storage box of the present invention;

FIG. 3 is a schematic cross-sectional view of FIG. 2 in accordance with the present invention;

FIG. 4 is an enlarged view of the I-direction of FIG. 3 according to the present invention;

FIG. 5 is a schematic structural view of the support frame, the lying device and the handle frame of the present invention;

FIG. 6 is a schematic cross-sectional view of FIG. 5 in accordance with the present invention;

fig. 7 is an enlarged view of the direction M of fig. 6 according to the present invention.

Detailed Description

The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.

As shown in fig. 1 to 7, a multifunctional baby carriage comprises a carriage body 1, a storage box 2, a lying device 3 and a handle frame 4, wherein a groove is formed in the middle of the carriage body 1, the storage box 2 is arranged in the groove, the lying device 3 is arranged at the upper end of the carriage body 1, the front end of the lying device 3 is installed at the upper end of the carriage body 1, the rear end of the lying device 3 is connected with the middle of the handle frame 4, the handle frame 4 is of a U-shaped structure, and the front end of the handle frame 4 is installed on the carriage body 1 through a hinged support.

The frame body 1 comprises a front wheel frame 11, support frames 12, a fixing shaft 13 and rear wheels 14, the support frames 12 are symmetrically arranged at the rear end of the front wheel frame 11, the support frames 12 are obliquely arranged, the fixing shaft 13 is arranged between the rear ends of the support frames 12, the rear wheels 14 are arranged on the outer sides of the fixing shaft 13 through bearings, and anti-skid grains are uniformly arranged on the rear wheels 14.

Front wheel frame 11 include link 111, connecting plate 112, shock column 113, cylinder axle 114 and front wheel 115, support frame 12 front end be provided with two link 111, two link 111 symmetries are installed at support frame 12 front end, link 111 is the arc structure, connecting plate 112 is installed to link 111 front side lower extreme, shock column 113 is installed to connecting plate 112 lower extreme symmetry, install cylinder axle 114 between the 113 lower extremes of shock column, wheel 115 before the bearing is installed in the cylinder axle 114 outside, during concrete work, shock column 113 can play good shock attenuation effect, avoid the infant of sleeping well to receive vibrations and be awakened by the noise.

Shock attenuation post 113 include sleeve 116, slip post 117, expanding spring 118 and limiting plate 119, sleeve 116 install in connecting plate 112 front side, sleeve 116 is inside to be connected with slip post 117 through sliding fit's mode, limiting plate 119 is installed to slip post 117 lower extreme, be located and install expanding spring 118 on the slip post 117 between limiting plate 119 and the sleeve 116, concrete during operation, when leading wheel frame 11 meets the barrier, slip post 117 is through compressing expanding spring 118 to the inside shrink of sleeve 116, avoid lying device 3 vibration, guarantee perambulator's travelling comfort.

Inside upper end of storage tank 2 still be provided with wind-up roll 21, wind-up roll 21 installs on storage tank 2 inside wall through the reset torsion spring, be provided with on the wind-up roll 21 and hide fender cloth 22, it installs joint board 23 on the cloth 22 to shelter from, joint board 23 is connected with chute frame 24 through sliding fit's mode, chute frame 24 symmetry is installed on storage tank 2 lateral wall, joint frame 25 is installed to 2 inboard rear ends of storage tank, joint frame 25 and the cooperation of 23 joints of joint board, when concrete work, the required article of various babies can be stacked to storage tank 2 inside, wind-up roll 21 hides fender cloth 22 through the drive of reset torsion spring and rolls, be convenient for taking of the inside article of storage tank 2, joint board 23 passes through chute frame 24 and the cooperation of joint frame 25 looks joint, can cover on storage tank 2 with sheltering from cloth 22, avoid the dust to get into inside storage tank 2.

The clamping frame 25 comprises a U-shaped frame 251, a clamping plate 252, a connecting rod 253, an extrusion spring 254 and an extrusion plate 255, the U-shaped frame 251 is installed on the storage box 2, a sliding groove is formed in the U-shaped frame 251, the clamping plate 252 is connected to the inside of the sliding groove in a sliding fit mode, the connecting rod 253 is installed at the upper end of the clamping plate 252, the extrusion plate 255 penetrates through the U-shaped frame 251 at the upper end of the connecting rod 253, the extrusion spring 254 is installed on the connecting rod 253 at the lower end of the extrusion plate 255, in specific work, when the clamping frame 25 is separated from the clamping plate 23, the extrusion plate 255 is pressed in a manual mode, the extrusion plate 255 drives the clamping plate 252 to move downwards through the connecting rod 253, the clamping plate 252 is separated from the clamping plate 23, and the clamping plate 23 moves in the lower clamping.

The lying device 3 comprises a hinged seat 31, a fixed plate 32, a lying frame 33, a lying mechanism 34, adjusting rollers 35, a sunshade frame 36 and a sliding mechanism 37, the hinged seat 31 is installed at the upper end of the front side of the frame body 1, the front end of the fixed plate 32 is connected with the hinged seat 31 through a pin shaft, the lying frame 33 is installed at the upper end of the fixed plate 32, the sliding mechanism 37 is installed at the rear side of the lying frame 33, the sliding mechanism 37 is located in the handle frame 4, the lying mechanism 34 is installed in the lying frame 33, the adjusting rollers 35 are symmetrically installed in the lying frame 33 through bearings, the adjusting rollers 35 are located at the lower end of the lying mechanism 34, the sunshade frame 36 is installed at the rear side of the upper end of the lying frame 33, and safety belts are evenly installed in the middle of the upper end of; when the baby sleeps well, the handle frame 4 drives the lying frame 33 to be horizontally placed through the sliding mechanism 37, the lying mechanism 34 is in a flat state, the baby can lie down and sleep well in the baby carriage, the sunshade frame 36 can adjust the irradiation range of sunlight, the safety belt can prevent the baby from falling, when the baby wakes up, the handle frame 4 drives the lying frame 33 to incline upwards by a certain angle through the sliding mechanism 37, meanwhile, the lying mechanism 34 is transformed into an inwards sunken arc-shaped structure, the lying mechanism 34 is convenient to lie and the sitting and lying posture of the baby are attached to each other, and the comfort level of the baby in the sitting and lying process is guaranteed.

Lying mechanism 34 include lying board 341, flexible pad 342, backup pad 343 and elevating system 344, the inside upper end of lying frame 33 install lying board 341, lying board 341 is the semi-rigid structure, flexible pad 342 is installed to lying board 341 upper end, lying board 341 lower extreme mid-mounting has backup pad 343, the backup pad 343 outside is connected with elevating system 344, elevating system 344 installs on lying frame 33 lateral wall, during specific work, when driving lying frame 33 slope by handle frame 4, elevating system 344 drives lying board 341 through backup pad 343 and carries out the downstream, lying board 341 is inwards sunken, adjusting roller 35 can guarantee that the posture of lying after sunken lying board 341 and baby is laminated mutually.

Lying plate 341 be formed by a plurality of rectangular plate 342 through the hinge, rectangular plate 342 include H template 343, extension spring 344 and cardboard 345, H template 343 middle part is provided with the draw-in groove, draw-in groove internally mounted has extension spring 344, cardboard 345 is installed to extension spring 344 outer end, cardboard 345 and the H template 343 outside looks joint, be connected through the hinge between the cardboard 345, during specific work, when elevating system 344 drives lying plate 341 inwards sunken through backup pad 343, rectangular plate 342 that is located lying plate 341 middle part moves down, cardboard 345 and H template 343 phase separation, extension spring 344 is in the tensile dress state.

Slide mechanism 37 include sliding tray 371, sliding plate 372, rotate seat 373, buckle plate 374 and latch plate 375, handle frame 4 internally mounted have sliding tray 371, sliding tray 371 installs the sliding plate 372 inside through sliding fit's mode, the sliding plate 372 inboard is connected with lying frame 33 through rotating seat 373, buckle plate 374 is installed through the articulated shaft in the sliding plate 372 outside, the latch plate 375 is installed to handle frame 4 upper end, be provided with the latch with latch plate 375 complex on the buckle plate 374, in concrete during operation, buckle plate 374 and latch plate 375 phase separation are connected through artificial mode, then carry out angle modulation through handle frame 4 drive lying frame 33 through sliding plate 372, when adjusting suitable angle to lying device 3, with buckle plate 374 and latch plate 375 looks joint, lying frame 33 is in stable condition.

When the infant is asleep: buckle board 374 and latch plate 375 phase separation are separated through artificial mode, then drive lying frame 33 through sliding plate 372 and carry out angle modulation through handle frame 4, it places to drive lying frame 33 level through slide mechanism 37 handle frame 4, then with buckle board 374 and latch plate 375 looks joint, it is located stable state to lie nest frame 33, lying mechanism 34 is the levelling state, the baby can lie flat in the perambulator and sleep soundly, sunshade frame 36 can adjust the range of shining to sunshine, the safety belt can prevent that the baby from taking place the danger that falls.

When the infant wakes up: buckle board 374 and latch plate 375 phase separation through artificial mode, then drive lying frame 33 through sliding plate 372 and carry out angle modulation through handle frame 4, handle frame 4 drives lying frame 33 certain angle of tilt up through slide mechanism 37, then with buckle board 374 and latch plate 375 looks joint, lying frame 33 is in stable state, simultaneously elevating system 344 in lying mechanism 34 drives lying plate 341 when inwards caving in through backup pad 343, rectangular plate 342 that is located lying plate 341 middle part moves down, cardboard 345 and H type plate 343 phase separation, extension spring 344 is in tensile dress state, make lying nest mechanism 34 laminate with the seat posture of baby mutually, comfort level when guaranteeing that the baby sits to lie down.

The invention solves the problems that the existing baby carriage has poor shock absorption effect, is easy to collide with the head of a baby when meeting obstacles, cannot store personal articles of the baby, is usually fixed in lying posture, cannot simultaneously meet the requirements of the baby for lying, sitting and lying and the like, realizes the function of adjusting different lying postures of the baby, has good shock absorption effect, avoids the collision of the head of the baby, can store the personal articles of the baby, and can randomly adjust the lying posture of the baby.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A multifunctional baby carriage, comprising a frame body (1), a storage box (2), a lying device (3) and a handle frame (4), characterized in that: the frame body (1) A groove is arranged in the middle, a storage box (2) is installed inside the groove, a lying device (3) is arranged on the upper end of the frame body (1), and the front end of the lying device (3) is installed on the upper end of the frame body (1). , the rear end of the lying device (3) is connected with the middle of the handle frame (4), the handle frame (4) is a U-shaped structure, and the front end of the handle frame (4) is mounted on the frame body (1) through a hinge seat; wherein:

The lying device (3) comprises a hinged seat (31), a fixing plate (32), a lying frame (33), a lying mechanism (34), an adjusting roller (35), a sunshade frame (36) and a sliding mechanism (37), a hinge seat (31) is installed on the upper end of the front side of the frame body (1), the front end of the fixing plate (32) is connected with the hinge seat (31) through a pin, and the upper end of the fixing plate (32) is installed with a reclining seat (31). A lying frame (33), a sliding mechanism (37) is installed on the rear side of the lying frame (33), the sliding mechanism (37) is located inside the handle frame (4), and a lying mechanism (34) is installed inside the lying frame (33) A regulating roller (35) is installed symmetrically inside the lying frame (33) through a bearing, the regulating roller (35) is located at the lower end of the lying mechanism (34), and a sunshade frame (36) is installed on the rear side of the upper end of the lying frame (33), A safety belt is installed in the middle of the upper end of the lying frame (33);

The lying mechanism (34) includes a lying plate (341), a flexible pad (342), a support plate (343) and a lifting mechanism (344), and the lying frame (33) is provided with a lying on the inner upper end. The plate (341), the lying plate (341) is a semi-rigid structure, a flexible pad (342) is installed on the upper end of the lying plate (341), a support plate (343) is installed in the middle of the lower end of the lying plate (341), and the support plate ( 343) The outer side is connected with a lifting mechanism (344), and the lifting mechanism (344) is installed on the side wall of the lying frame (33).

2. A multifunctional baby carriage according to claim 1, characterized in that: the frame body (1) comprises a front wheel frame (11), a support frame (12), a fixed shaft (13) and a rear wheel frame (11) A wheel (14), a support frame (12) is symmetrically installed at the rear end of the front wheel frame (11), the support frame (12) is placed obliquely, and a fixed shaft (13) is installed between the rear ends of the support frame (12), A rear wheel (14) is installed on the outer side of the fixed shaft (13) through a bearing, and the rear wheel (14) is evenly installed with anti-skid patterns.

3. A multifunctional stroller according to claim 2, characterized in that: the front wheel frame (11) comprises a connecting frame (111), a connecting plate (112), a shock-absorbing column (113), a column The axle (114) and the front wheel (115), the front end of the support frame (12) is provided with two connecting frames (111), and the two connecting frames (111) are symmetrically installed at the front end of the support frame (12), and the connecting frames ( 111) is an arc-shaped structure, a connecting plate (112) is installed on the lower end of the front side of the connecting frame (111), a shock-absorbing column (113) is symmetrically installed at the lower end of the connecting plate (112), and a shock-absorbing column (113) is installed between the lower ends of the shock-absorbing column (113). A cylindrical shaft (114), a front wheel (115) is mounted on the outer side of the cylindrical shaft (114) through a bearing.

4. The multifunctional stroller according to claim 3, wherein the shock-absorbing column (113) comprises a sleeve (116), a sliding column (117), a telescopic spring (118) and a limiter The plate (119), the sleeve (116) is installed on the front side of the connecting plate (112), the sleeve (116) is connected with a sliding column (117) through a sliding fit, and the lower end of the sliding column (117) has a limited installation A position plate (119), and a telescopic spring (118) is installed on the sliding column (117) between the limit plate (119) and the sleeve (116).

5 . The multifunctional stroller according to claim 1 , wherein the upper end of the storage box ( 2 ) is further provided with a winding roller ( 21 ), and the winding roller ( 21 ) is twisted by resetting. 6 . The spring is installed on the inner side wall of the storage box (2), the take-up roller (21) is provided with a shielding cloth (22), and a clamping plate (23) is installed on the shielding cloth (22), and the clamping plate (23) passes through The sliding fit is connected with the chute frame (24), the chute frame (24) is symmetrically installed on the side wall of the storage box (2), and the inner rear end of the storage box (2) is installed with a snap-on frame (25), The clamping frame (25) is clamped and matched with the clamping plate (23).

6 . The multifunctional stroller according to claim 5 , characterized in that: the clip frame ( 25 ) comprises a U-shaped frame ( 251 ), a clip plate ( 252 ), a connecting rod ( 253 ), A compression spring (254) and a compression plate (255), the U-shaped frame (251) is installed on the storage box (2), and the U-shaped frame (251) is provided with a chute, and the inside of the chute is fitted by sliding A clasp plate (252) is connected, a connecting rod (253) is installed on the upper end of the clasp plate (252), and a pressing plate (255) is installed on the upper end of the connecting rod (253) through the U-shaped frame (251), and is located in the extrusion plate (255). A compression spring (254) is installed on the connecting rod (253) at the lower end of the plate (255).

7 . The multifunctional stroller according to claim 1 , wherein the lying board ( 341 ) is formed by a plurality of rectangular boards ( 346 ) that are hinged through hinges, and the rectangular board ( 346 ) is hinged. 8 . ) includes an H-shaped plate (347), an extension spring (348) and a clamping plate (349). The middle of the H-shaped plate (347) is provided with a clamping slot, and an extension spring (348) is installed inside the clamping slot. 348) A clamping plate (349) is installed at the outer end, the clamping plate (349) is clamped with the outer side of the H-shaped plate (347), and the clamping plates (349) are connected by hinges.

8 . The multifunctional stroller according to claim 1 , wherein the sliding mechanism ( 37 ) comprises a sliding groove ( 371 ), a sliding plate ( 372 ), a rotating seat ( 373 ), and a buckle plate (374) and a toothed plate (375), a sliding groove (371) is installed inside the handle frame (4), and a sliding plate (372) is installed inside the sliding groove (371) by sliding fit, and the sliding plate ( The inner side of 372) is connected with the lying frame (33) through the rotating seat (373), the outer side of the sliding plate (372) is installed with a buckle plate (374) through a hinge shaft, and the upper end of the handle frame (4) is installed with a tooth plate (375) , the buckling plate (374) is provided with a clamping tooth matched with the clamping tooth plate (375).