CN112137265B

CN112137265B - Portable multifunctional infant bracket suitcase

Info

Publication number: CN112137265B
Application number: CN202010936967.6A
Authority: CN
Inventors: 李家黎
Original assignee: Changsha Normal University
Current assignee: Changsha Normal University
Priority date: 2020-09-08
Filing date: 2020-09-08
Publication date: 2021-12-07
Anticipated expiration: 2040-09-08
Also published as: CN112137265A

Abstract

The utility model provides a multi-functional infant's bracket travelling basket convenient to carry, including the travelling basket, the leading flank of travelling basket installs the case lid, a plurality of universal wheels are installed to the bottom equidistance of travelling basket, two vertical telescopic links are installed to the trailing flank of travelling basket, the movable portion top of two telescopic links together through the handle, two telescopic links and handle constitute a pull rod, a plurality of ventholes have been seted up to the equidistance on the handle, be fixed with the gasbag on the inner wall of venthole, the top of casing is close to travelling basket one side symmetry and is provided with the installation piece, the travelling basket right side corresponds the vertical sleeve pipe that is fixed with in inserted bar position, it has first pivot to transversely alternate along the fore-and-aft direction on the casing. The device skillfully combines the traveling case and the bicycle, and an infant can step on the pedal assembly to ride, so that the infant can be properly exercised, meanwhile, the infant can also push the bicycle forward in the riding process, a user pushes the bicycle forward more laborsavingly, and the shell can be integrally pulled out upwards in the resting process to be ridden by the infant.

Description

Portable multifunctional infant bracket suitcase

Technical Field

The invention belongs to the field of travelling cases convenient for carrying infants, and particularly relates to a multifunctional infant bracket travelling case convenient for carrying.

Background

In the long-distance travel or the trip process, a lot of parents can take the infant to go on a journey together, if parents hold or carry the infant for a long time, can be tired relatively, the infant is held or is carried for a long time, also do not help the growth of infant, and the infant is held for a long time and is also easy crying simultaneously, also lacks a travelling basket convenient to carry the infant on the market at present.

Disclosure of Invention

The invention provides a portable multifunctional infant bracket suitcase, which is used for solving the defects in the prior art.

The invention is realized by the following technical scheme:

a portable multifunctional infant bracket suitcase comprises a suitcase, wherein a suitcase cover is arranged on the front side surface of the suitcase, a plurality of universal wheels are equidistantly arranged at the bottom of the suitcase, two vertical telescopic rods are arranged on the rear side surface of the suitcase, fixing parts of the telescopic rods are vertically fixed in the middle of the rear side surface of the suitcase, movable parts of the telescopic rods are arranged in the fixing parts of the telescopic rods, the movable parts of the telescopic rods can vertically slide in the fixing parts of the telescopic rods, the movable parts of the telescopic rods are in an L-shaped tubular shape, the tops of the movable parts of the two telescopic rods are connected together through handles, the handles are in a tubular shape with two closed ends, the two telescopic rods and the handles form a pull rod, a plurality of air outlet holes are equidistantly arranged on the handles, air bags are fixed on the inner walls of the air outlet holes, a shell is arranged at the bottom of the right side surface of the suitcase, mounting blocks are symmetrically arranged at the tops of the shells, close to one side of the suitcase, an inserting rod is vertically arranged at the bottom of the mounting block, a sleeve is vertically fixed at the position of the right side of the suitcase corresponding to the inserting rod, the inserting rod is inserted into the sleeve at the beginning, a first rotating shaft is transversely inserted on the shell along the front-back direction, the first rotating shaft is connected with the shell by adopting a bearing, two ends of the first rotating shaft extend out of the shell, a pedal assembly is fixed at one end of the first rotating shaft extending out of the shell, a first gear is fixed on the first rotating shaft in the shell, a second rotating shaft is transversely arranged in the shell, the first rotating shaft is parallel to the second rotating shaft, the second rotating shaft is connected with the shell by adopting a bearing, a second gear is fixed on the second rotating shaft in the shell, the first gear is meshed with the second gear, a first through hole is arranged on the bottom surface of the shell, risers are symmetrically arranged on the bottom surface of the shell, the front side surface of the riser at the front side is flush with the front side surface of the shell, the rear side surface of the riser at the rear side is flush with the rear side surface of the shell, a third rotating shaft is transversely arranged between the risers, the third rotating shaft is connected with the two vertical plates by adopting bearings, two first rotating wheels are fixedly arranged on the third rotating shaft between the two vertical plates, the second rotating shaft drives the third rotating shaft to rotate by a one-way transmission mechanism, two one-way wheels are equidistantly arranged on the bottom surface of the shell along the left-right direction, the first rotating wheels are arranged between the two one-way wheels, two sleeves are vertically arranged at the position close to the right side wall in the shell, the two sleeves are respectively fixed on the front inner wall and the rear inner wall of the shell, a piston is arranged in each sleeve, a spring is arranged in each sleeve, the top of each spring is fixed on the bottom surface of the piston, the bottom of each spring is fixed on the inner bottom surface of each sleeve, the suitcase is provided with two second connecting pipes, one ends of the two second connecting pipes respectively extend into the bottom parts of the two telescopic rods and are communicated with the two ends of the handles, the other ends of the two second connecting pipes are fixed on the bottom parts of the right side surface of the suitcase, one ends of the two first connecting pipes are respectively communicated with the bottoms of the two sleeves, the other ends of the two first connecting pipes are fixed on the bottom of the left side wall of the shell, the two first connecting pipes are conducted with the two second connecting pipes respectively at the beginning, the first connecting pipes and the second connecting pipes are rubber pipes, a movable rod is vertically fixed on the top surface of the piston, the top of the movable rod extends upwards from the sleeve and the shell, a supporting rod is transversely fixed between the tops of the two movable rods, the supporting rod is a round rod, the supporting rod is connected with two second rotating wheels through a bearing, a seat plate is arranged above the shell on the right side surface of the suitcase, the left end of the seat plate is connected with the suitcase hinge, the seat plate is parallel to the ground under the support of the two second rotating wheels at the beginning, a supporting plate is connected to the top surface of the seat plate through a hinge on one side of the suitcase, the supporting plate is perpendicular to the ground at the beginning, and a first stop block is arranged on the right side of the supporting plate on the top surface of the seat plate.

The portable multifunctional infant holder suitcase comprises a ratchet wheel, a third rotating wheel, ratchets and a second stop block, wherein the ratchet wheel is fixed on an outer ring of a third rotating shaft, the third rotating wheel is arranged on the second rotating shaft corresponding to the ratchet wheel, a plurality of ratchets are arranged in an equidistant circular array on the outer ring of the third rotating wheel, the ratchets are connected with the outer ring of the third rotating wheel through torsion springs and hinges, the second stop block is fixed on the outer ring of the third rotating wheel corresponding to the convex surface of the ratchets, the ratchet wheel is meshed with the ratchets under the action of the torsion springs and the second stop block, and the third rotating wheel cannot be driven to rotate by the counterclockwise rotation of the ratchet wheel.

According to the portable multifunctional infant bracket suitcase, the cylinder is arranged at the top of the right side face of the suitcase and is made of transparent materials, and the locking door is arranged on one side, away from the suitcase, of the cylinder.

According to the portable multifunctional infant bracket suitcase, the rotating sleeve is arranged on one side, away from the suitcase, of the outer ring of the cylinder and connected with the cylinder through the bearing, the two stop rods are arranged in the outer ring of the rotating sleeve in an equidistant circular array mode, the side, facing the suitcase, of each stop rod is provided with the anti-skidding piece, and the minimum distance between the anti-skidding piece and the suitcase is equal to the sum of the thicknesses of the first stop block and the sitting plate.

The portable multifunctional infant bracket traveling case is characterized in that a first baffle is vertically fixed on the top surface of the left side of the shell.

According to the portable multifunctional infant bracket suitcase, the backing plate is fixed on the top surface of the suitcase, the arc-shaped concave surfaces are formed in the positions, corresponding to the two one-way wheels and the two first rotating wheels, of the backing plate, the binding belt is arranged on the suitcase cover, the hook and loop fastening surface is arranged at the bottom of the binding belt, and the hook and loop fastening surface is arranged on the rear side surface of the suitcase.

According to the portable multifunctional infant bracket suitcase, the right side of the suitcase is provided with the first sealing sheet, the left side surface of the shell is provided with the second sealing sheet, and the first sealing sheet and the second sealing sheet are attached to each other.

The invention has the advantages that: when a parent travels or goes out with an infant, the parent rotates the rotating sleeve to enable the seat plate, the supporting plate and the first stop block to rotate downwards until the bottom surface of the seat plate is contacted with the top of the second rotating wheel, the supporting plate rotates upwards until the supporting plate is perpendicular to the seat plate, the first stop block can play a limiting role, the infant is prevented from falling down due to the fact that the included angle between the supporting plate and the seat plate is too large, the infant is placed on the seat plate, when the infant sits on the seat plate, the seat plate presses downwards, the movable rod pushes the piston to slide downwards, air below the piston in the sleeve enters the corresponding second connecting pipe through the first connecting pipe, due to the fact that the inner portion of the telescopic rod is sealed, the blocking mechanism is arranged in the telescopic rod, the movable portion of the telescopic rod can only be drawn out of a proper length from the fixing portion of the telescopic rod, and the air bag on the handle is expanded; the user pushes the invention to slide to the left, the infant steps on the pedal assembly to drive the first rotating shaft to rotate anticlockwise, the first rotating shaft rotates to drive the second rotating shaft to rotate clockwise through the first gear and the second gear, the second rotating shaft drives the third rotating shaft to rotate through the one-way transmission mechanism, two first rotating wheels are mounted on the third rotating shaft, and the third rotating shaft rotates to synchronously drive the first rotating wheels to rotate anticlockwise, so that the labor is saved for a user to carry the invention, and meanwhile, the infant can move all the time, so that the infant can grow healthily; when the road surface is uneven, the seat plate rotates up and down in a small range around the hinge connection point, the movable rod slides up and down synchronously, the air bag expands and contracts ceaselessly, the air bag can massage the palm of a user locally at the moment, and the seat plate is elastically supported on the right side surface of the suitcase through the movable rod, so that the damping effect can be achieved, and an infant can feel more comfortable when passing through the uneven road surface on the seat plate of the trolley; the children can watch the mobile phone video when sitting on the seat plate and can rotate the rotary sleeve to play, so that the occurrence frequency of crying and screaming of the children in the traveling or travelling process is reduced; in the process of rest, the shell can be integrally drawn out, and the shell and related parts in the shell can be used as a trolley for children to play; a portable multifunctional infant bracket suitcase is ingenious in structure and convenient to carry, the suitcase is ingeniously combined with a bicycle, an infant can step on a pedal assembly to ride, the infant can be properly exercised, the infant can grow healthily, meanwhile, the multifunctional infant bracket suitcase can be pushed to move forwards in the riding process, a user pushes the multifunctional infant bracket suitcase to be more labor-saving, and a shell can be integrally pulled upwards in the resting process to be used for the infant to ride.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention; FIG. 2 is a partially enlarged view of the portion I in FIG. 1; FIG. 3 is a partially enlarged view of the area II in FIG. 1; FIG. 4 is an enlarged sectional view taken along line A-A of FIG. 1; FIG. 5 is an enlarged sectional view taken along line B-B of FIG. 4; FIG. 6 is an enlarged view of FIG. 1 taken along direction C; fig. 7 is a partially enlarged view of a portion iii of fig. 6.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. 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.

A portable multifunctional traveling case with an infant bracket comprises a traveling case 1, a case cover 2 is arranged on the front side face of the traveling case 1, a plurality of universal wheels 17 are equidistantly arranged at the bottom of the traveling case 1, two vertical telescopic rods 3 are arranged on the rear side face of the traveling case 1, fixing portions of the telescopic rods 3 are vertically fixed in the middle of the rear side face of the traveling case 1, moving portions of the telescopic rods 3 are arranged in the fixing portions of the telescopic rods 3, the moving portions of the telescopic rods 3 can vertically slide in the fixing portions of the telescopic rods 3, the moving portions of the telescopic rods 3 are in an L-shaped tubular shape, the tops of the moving portions of the two telescopic rods 3 are connected together through a handle 25, the handle 25 is in a tubular shape with two closed ends, the two telescopic rods 3 and the handle 25 form a pull rod, a plurality of air outlet holes 26 are equidistantly formed in the handle 25, an air bag 27 is fixed on the inner wall of the air outlet holes 26, and a shell 4 is arranged at the bottom of the right side face of the traveling case 1, the top of the shell 4 is symmetrically provided with mounting blocks 5 close to one side of the suitcase 1, the bottom of the mounting blocks 5 is vertically provided with an insertion rod 6, the right side of the suitcase 1 is vertically fixed with a sleeve 7 corresponding to the insertion rod 6, the insertion rod 6 is initially inserted into the sleeve 7, the shell 4 is transversely inserted with a first rotating shaft 8 along the front-back direction, the first rotating shaft 8 is connected with the shell 4 by a bearing, two ends of the first rotating shaft 8 extend out from the shell 4, one end of the first rotating shaft 8 extending out from the shell 4 is fixed with a pedal assembly 9, the first rotating shaft 8 in the shell 4 is fixed with a first gear 10, the shell 4 is transversely provided with a second rotating shaft 11, the first rotating shaft 8 is parallel to the second rotating shaft 11, the second rotating shaft 11 is connected with the shell 4 by a bearing, the second rotating shaft 11 in the shell 4 is fixed with a second gear 12, the first gear 10 is meshed with the second gear 12, the bottom of the shell 4 is provided with a first through hole 13, the bottom surface of the shell 4 is symmetrically provided with vertical plates 14, the front side surface of the vertical plate 14 at the front side is flush with the front side surface of the shell 4, the rear side surface of the vertical plate 14 at the rear side is flush with the rear side surface of the shell 4, a third rotating shaft 15 is transversely arranged between the two vertical plates 14, the third rotating shaft 15 is connected with the two vertical plates 14 by adopting a bearing, two first rotating wheels 16 are fixedly arranged on the third rotating shaft 15 between the two vertical plates 14, the second rotating shaft 11 drives the third rotating shaft 15 to rotate through a one-way transmission mechanism, two one-way wheels 18 are equidistantly arranged on the bottom surface of the shell 4 along the left and right direction, the first rotating wheel 16 is arranged between the two one-way wheels 18, two sleeves 19 are vertically arranged at the position close to the right side wall in the shell 4, the two sleeves 19 are respectively fixed on the front and rear inner walls of the shell 4, a piston 20 is arranged in the sleeve 19, a spring 24 is arranged in the sleeve 19, the top of the spring 24 is fixed on the bottom surface of the piston 20, the bottom of the spring 24 is fixed on the inner bottom surface of the sleeve 19, the travel suitcase 1 is provided with two second connecting pipes 29, one ends of the two second connecting pipes 29 respectively extend into and are communicated with two ends of the handle 25 from the bottoms of the two telescopic rods 3, the other ends of the two second connecting pipes 29 are both fixed on the bottom of the right side surface of the travel suitcase 1, one ends of the two first connecting pipes 28 are respectively communicated with the bottoms of the two sleeves 19, the other ends of the two first connecting pipes 28 are fixed on the bottom of the left side wall of the shell 4, initially, the two first connecting pipes 28 are respectively communicated with the two second connecting pipes 29, the first connecting pipes 28 and the second connecting pipes 29 are both rubber pipes, the top surface of the piston 20 is vertically fixed with a movable rod 21, the top of the movable rod 21 extends upwards from the sleeves 19 and the shell 4, a support rod 22 is transversely fixed between the tops of the two movable rods 21, the support rod 22 is a round rod, the support rod 22 is connected with two second rotating wheels 23 through a bearing, a seat plate 30 is arranged above the upper shell 4 on the right side surface of the travel suitcase 1, the left end of the seat plate 30 is hinged with the travel suitcase 1, the seat plate 30 is initially parallel to the ground under the support of the two second rotating wheels 23, a support plate 31 is hinged on the top surface of the seat plate 30 on the side away from the travel suitcase 1, the support plate 31 is initially vertical to the ground, and a first stop block 32 is arranged on the top surface of the seat plate 30 on the right side of the support plate 31. When a parent travels or goes out with a child, the parent rotates the rotating sleeve 39, so that the seat plate 30, the supporting plate 31 and the first stop dog 32 rotate downwards until the bottom surface of the seat plate 30 contacts with the top of the second rotating wheel 23, the supporting plate 31 rotates upwards until the supporting plate 31 is perpendicular to the seat plate 30, the first stop dog 32 can play a limiting role, the child is prevented from falling down due to the fact that the included angle between the supporting plate 31 and the seat plate 30 is too large, the child is placed on the seat plate 30, when a child sits on the seat board 30, the seat board 30 is pressed downwards, the movable rod 21 pushes the piston 20 to slide downwards, air below the piston 20 in the sleeve 19 enters the corresponding second connecting pipe 29 through a first connecting pipe 28, because the inside of the telescopic rod 3 is sealed, the blocking mechanism is arranged in the telescopic rod 3, the movable part of the telescopic rod 3 can only be drawn out from the fixed part of the telescopic rod 3 by a proper length, and the air bag 27 on the handle 25 is expanded; the user pushes the invention to slide to the left, the infant steps on the pedal assembly 9 to drive the first rotating shaft 8 to rotate anticlockwise, the first rotating shaft 8 rotates to drive the second rotating shaft 11 to rotate clockwise through the first gear 10 and the second gear 12, the second rotating shaft 11 drives the third rotating shaft 15 to rotate through the one-way transmission mechanism, two first rotating wheels 16 are installed on the third rotating shaft 15, the third rotating shaft 15 rotates to synchronously drive the first rotating wheels 16 to rotate anticlockwise, the carrying of the invention by users is more labor-saving, and meanwhile, the infant can move all the time, so that the infant can grow healthily; when the road surface is uneven, the seat plate 30 rotates up and down with a small amplitude around the hinge connection point, the movable rod 21 slides up and down synchronously, the air bag 27 expands and contracts continuously, the air bag 27 can massage the palm of a user locally, and the seat plate 30 is elastically supported on the right side surface of the travel suitcase 1 through the movable rod 21, so that the damping effect can be achieved, and an infant can feel more comfortable when sitting on the seat plate 30 on the uneven road surface; the infant can watch the mobile phone video while sitting on the seat plate 30, and can also rotate the rotating sleeve 39 to play, so that the occurrence frequency of crying and screaming of the infant in the process of traveling or going out is reduced; in the process of rest, the shell 4 can be integrally drawn out, and the shell 4 and related parts in the shell 4 can be used as a trolley for children to play; a portable multifunctional infant bracket suitcase is ingenious in structure and convenient to carry, the suitcase is ingeniously combined with a bicycle, an infant can step on a pedal assembly to ride, the infant can be properly exercised, the infant can grow healthily, meanwhile, the multifunctional infant bracket suitcase can be pushed to move forwards in the riding process, a user pushes the multifunctional infant bracket suitcase to be more labor-saving, and a shell can be integrally pulled upwards in the resting process to be used for the infant to ride.

Specifically, as shown in the drawing, the unidirectional transmission mechanism described in this embodiment includes a ratchet 33, a third rotating wheel 34, ratchets 35 and a second stopper 36, the ratchet 33 is fixed on an outer ring of the third rotating shaft 15, the third rotating wheel 34 is disposed on the second rotating shaft 11 at a position corresponding to the ratchet 33, a plurality of ratchets 35 are equidistantly arranged in a circular array on the outer ring of the third rotating wheel 34, the ratchets 35 are connected with the outer ring of the third rotating wheel 34 by a torsion spring and a hinge, the second stopper 36 is fixed on the outer ring of the third rotating wheel 34 at a position corresponding to a convex surface of the ratchet 35, the ratchet 33 and the ratchets 35 are engaged under the action of the torsion spring and the second stopper 36, and the third rotating wheel 34 cannot be driven to rotate by the counterclockwise rotation of the ratchet 33. The infant steps on the pedal assembly 9 to drive the first rotating shaft 8 to rotate counterclockwise, the pedal assembly 9 is equivalent to a pedal mechanism of a bicycle, because the pedal mechanism of the bicycle is the prior art, which will not be described in detail below, the first rotating shaft 8 rotates to drive the second rotating shaft 11 to rotate clockwise through the first gear 10 and the second gear 12, the second rotating shaft 11 rotates clockwise to drive the third rotating wheel 34 to rotate clockwise, due to the fact that the ratchet 33 and the ratchet 35 are meshed under the action of the torsion spring and the second stop block 36, the third rotating wheel 34 rotates clockwise to drive the ratchet 33 to rotate counterclockwise through the ratchet 35, the ratchet 33 rotates counterclockwise to drive the third rotating shaft 15 to rotate counterclockwise, the two first rotating wheels 16 are mounted on the third rotating shaft 15, and the third rotating shaft 15 rotates to synchronously drive the first rotating wheels 16 to rotate counterclockwise, so that a user can carry the present invention more effortlessly; because the ratchet wheel 33 can not drive the third rotating wheel 34 to rotate in the counterclockwise direction, the invention can effectively prevent the legs of the infant from being hurt by the reverse rotation of the pedal assembly 9 when the infant slides leftwards.

Specifically, as shown in the figures, a cylinder 37 is disposed on the top of the right side surface of the travel suitcase 1, the cylinder 37 is made of a transparent material, and a locking door is disposed on a side of the cylinder 37 away from the travel suitcase 1. The mobile phone can be put into the cylinder 37 and locked by the locking door, so that the mobile phone is prevented from being lost, and the children can watch the cartoon on the mobile phone during the journey, thereby effectively preventing the children from being noisy during the journey.

Further, as shown in the figure, a rotating sleeve 39 is disposed on one side of the outer ring of the cylinder 37 far from the suitcase 1, the rotating sleeve 39 and the cylinder 37 are connected by a bearing, two stop rods 40 are equidistantly and circularly arrayed on the outer ring of the rotating sleeve 39, an anti-slip sheet 41 is disposed on one side of the stop rods 40 facing the suitcase 1, and the minimum distance between the anti-slip sheet 41 and the suitcase 1 is equal to the sum of the thicknesses of the first stop block 32 and the seat plate 30. The infant can rotate the rotary sleeve 39 to play during the journey, so as to prevent the infant from being noisy during the journey; when the child does not sit on the seat 30, the supporting plate 31 can be attached to the seat 30, the seat 30 is rotated upward until the supporting plate 31 is attached to the left side surface of the suitcase 1, the rotating sleeve 39 is rotated, and the supporting plate 31, the first stopper 32 and the seat 30 are locked on the right side surface of the suitcase 1 through the stop rod 40 and the anti-slip sheet 41.

Further, as shown in the drawings, a first baffle 42 is vertically fixed on the top surface of the left side of the housing 4 in the embodiment. When the user pulls out the whole body of the shell 4 upwards from the right side of the suitcase 1, the shell 4 can be used by the infant as a trolley for playing with the relevant parts on the shell 4, the infant leans against the supporting rod 22 during playing, the infant sits on the top surface of the shell 4, and then the front surface faces the first baffle plate 42, and the first baffle plate 42 can effectively prevent the infant from falling off in the playing process.

Furthermore, as shown in the figures, a backing plate 43 is fixed on the top surface of the traveling case 1 according to the embodiment, the backing plate 43 is provided with an arc concave surface corresponding to the two one-way wheels 18 and the two first rotating wheels 16, the case cover 2 is provided with a binding band 44, the bottom of the binding band 44 is provided with a hook and loop fastener surface 45, and the rear side surface of the traveling case 1 is provided with a hook and loop fastener surface. The user can upwards take out casing 4 wholly to place on backing plate 43, two one-way wheels 18 and two first runner 16 of casing 4 bottom surface stretch into the arc concave surface of backing plate 43, tie up casing 4 through bandage 44 tightly, and paste magic on bandage 44 and paste hook face 45 on the travelling basket 1 on the magic tape hair side, can tie up casing 4, conveniently carry.

Furthermore, the first sealing sheet and the second sealing sheet can play a role in sealing, the first sealing sheet is arranged on the right side of the suitcase 1, the second sealing sheet is arranged on the left side surface of the shell 4, and the first sealing sheet and the second sealing sheet are attached to each other. The first sealing sheet and the second sealing sheet are mutually attached, so that the air in the first connecting pipe 28 can be effectively prevented from being exhausted through the gap between the travel suitcase 1 and the shell 4, and the air bag 27 can not be expanded normally.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a multi-functional infant's bracket travelling basket convenient to carry which characterized in that: comprises a travel suitcase (1), a suitcase cover (2) is arranged on the front side surface of the travel suitcase (1), a plurality of universal wheels (17) are arranged on the bottom of the travel suitcase (1) at equal intervals, two vertical telescopic rods (3) are arranged on the rear side surface of the travel suitcase (1), the fixing parts of the telescopic rods (3) are vertically fixed in the middle of the rear side surface of the travel suitcase (1), the movable parts of the telescopic rods (3) are arranged in the fixing parts of the telescopic rods (3), the movable parts of the telescopic rods (3) can vertically slide in the fixing parts of the telescopic rods (3), the movable parts of the telescopic rods (3) are in an L-shaped tubular shape, the tops of the movable parts of the two telescopic rods (3) are connected together through a handle (25), the handle (25) is in a tubular shape with two closed ends, the two telescopic rods (3) and the handle (25) form a pull rod, a plurality of air outlet holes (26) are arranged on the handle (25) at equal intervals, an air bag (27) is fixed on the inner wall of the air outlet hole (26), a shell (4) is arranged at the bottom of the right side face of the travel suitcase (1), mounting blocks (5) are symmetrically arranged at the top of the shell (4) close to one side of the travel suitcase (1), an insertion rod (6) is vertically arranged at the bottom of each mounting block (5), a sleeve (7) is vertically fixed at the position of the right side of the travel suitcase (1) corresponding to the insertion rod (6), the insertion rod (6) is initially inserted into the sleeve (7), a first rotating shaft (8) is transversely inserted into the shell (4) along the front-back direction, the first rotating shaft (8) is connected with the shell (4) through a bearing, two ends of the first rotating shaft (8) extend out of the shell (4), a pedal assembly (9) is fixed at one end of the first rotating shaft (8) extending out of the shell (4), a first gear (10) is fixed on the first rotating shaft (8) in the shell (4), a second rotating shaft (11) is transversely arranged in the shell (4), the first rotating shaft (8) is parallel to the second rotating shaft (11), the second rotating shaft (11) is connected with the shell (4) through a bearing, a second gear (12) is fixed on the second rotating shaft (11) in the shell (4), the first gear (10) is meshed with the second gear (12), a first through hole (13) is formed in the bottom surface of the shell (4), vertical plates (14) are symmetrically arranged on the bottom surface of the shell (4), the front side surface of the vertical plate (14) at the front side is flush with the front side surface of the shell (4), the rear side surface of the vertical plate (14) at the rear side is flush with the rear side surface of the shell (4), a third rotating shaft (15) is transversely arranged between the two vertical plates (14), the third rotating shaft (15) is connected with the two vertical plates (14) through the bearing, two first rotating wheels (16) are fixedly arranged on the third rotating shaft (15) between the two vertical plates (14), and the second rotating shaft (11) drives the third rotating shaft (15) to rotate through a one-way transmission mechanism, two one-way wheels (18) are equidistantly arranged on the bottom surface of the shell (4) along the left-right direction, a first rotating wheel (16) is arranged between the two one-way wheels (18), two sleeves (19) are vertically arranged at the position, close to the right side wall, in the shell (4), the two sleeves (19) are respectively fixed on the front inner wall and the rear inner wall of the shell (4), pistons (20) are arranged in the sleeves (19), springs (24) are arranged in the sleeves (19), the tops of the springs (24) are fixed on the bottom surface of the pistons (20), the bottoms of the springs (24) are fixed on the inner bottom surface of the sleeves (19), the suitcase (1) is provided with two second connecting pipes (29), one ends of the two second connecting pipes (29) respectively extend into and are communicated with the two ends of the handles (25) from the bottoms of the two telescopic rods (3), the other ends of the two second connecting pipes (29) are both fixed at the bottom of the right side surface of the suitcase (1), one end of each of the two first connecting pipes (28) is respectively communicated with the bottoms of the two sleeves (19), the other end of each of the two first connecting pipes (28) is fixed on the bottom of the left side wall of the shell (4), the two first connecting pipes (28) are initially communicated with the two second connecting pipes (29), the first connecting pipes (28) and the second connecting pipes (29) are both rubber pipes, a movable rod (21) is vertically fixed on the top surface of the piston (20), the top of the movable rod (21) extends upwards from the sleeves (19) and the shell (4), a support rod (22) is transversely fixed between the tops of the two movable rods (21), the support rod (22) is a round rod, the support rod (22) is connected with two second rotating wheels (23) through a bearing, a seat plate (30) is arranged above the shell (4) on the right side surface of the suitcase (1), and the left end of the seat plate (30) is hinged with the suitcase (1), the seat plate (30) is initially parallel to the ground under the support of the two second rotating wheels (23), a supporting plate (31) is hinged to one side, far away from the travel suitcase (1), of the top surface of the seat plate (30), the supporting plate (31) is initially vertical to the ground, and a first stop block (32) is arranged on the right side of the supporting plate (31) on the top surface of the seat plate (30).

2. The portable multi-functional infant carrier case of claim 1, wherein: the one-way transmission mechanism comprises a ratchet wheel (33), a third rotating wheel (34), ratchet teeth (35) and a second stop block (36), the ratchet wheel (33) is fixed on the outer ring of a third rotating shaft (15), the third rotating wheel (34) is arranged on a second rotating shaft (11) corresponding to the ratchet wheel (33), a plurality of ratchet teeth (35) are arranged on the outer ring of the third rotating wheel (34) in an equidistant circular array, the ratchet teeth (35) are connected with the outer ring of the third rotating wheel (34) through a torsion spring and a hinge, the second stop block (36) is fixed on the outer ring of the third rotating wheel (34) corresponding to the convex surface of the ratchet teeth (35), the ratchet wheel (33) is meshed with the ratchet teeth (35) under the action of the torsion spring and the second stop block (36), and the ratchet wheel (33) cannot drive the third rotating wheel (34) to rotate in an anticlockwise rotation mode.

3. The portable multi-functional infant carrier case of claim 1, wherein: the top of the right side surface of the travel suitcase (1) is provided with a cylinder (37), the cylinder (37) is made of transparent materials, and one side of the cylinder (37) far away from the travel suitcase (1) is provided with a locking door.

4. A portable multi-functional infant carrier case according to claim 3, wherein: the anti-skidding type seat plate is characterized in that a rotating sleeve (39) is arranged on one side, far away from the suitcase (1), of the outer ring of the cylinder (37), the rotating sleeve (39) is connected with the cylinder (37) through a bearing, two blocking rods (40) are arranged in an equidistant circular array on the outer ring of the rotating sleeve (39), anti-skidding pieces (41) are arranged on one side, facing the suitcase (1), of the blocking rods (40), and the minimum distance between the anti-skidding pieces (41) and the suitcase (1) is equal to the sum of the thicknesses of the first blocking block (32) and the seat plate (30).

5. The portable multi-functional infant carrier case of claim 1, wherein: a first baffle (42) is vertically fixed on the top surface of the left side of the shell (4).

6. The portable multi-functional infant carrier case of claim 1, wherein: the top surface of the suitcase (1) is fixed with a backing plate (43), arc concave surfaces are arranged on the backing plate (43) corresponding to the two one-way wheels (18) and the two first rotating wheels (16), a binding belt (44) is arranged on the suitcase cover (2), a hook and loop fastening surface (45) is arranged at the bottom of the binding belt (44), and a hook and loop fastening surface is arranged on the rear side surface of the suitcase (1).

7. The portable multi-functional infant carrier case of claim 1, wherein: the right side of the travel suitcase (1) is provided with a first sealing sheet, the left side surface of the shell (4) is provided with a second sealing sheet, and the first sealing sheet and the second sealing sheet are mutually attached.