CN213128399U - Suitcase combined with folding child seat - Google Patents

Abstract

The invention discloses a luggage case combined with a folding child seat, which comprises a luggage case body, a folding child seat, a seat bottom plate and a case cover plate, wherein the folding child seat is arranged on the luggage case body; the foldable child seat is arranged on the seat bottom plate, and after being folded, the foldable child seat and the seat bottom plate can be accommodated in a concave cavity behind a cover plate of a trunk body of the luggage case; open the box apron, can open the seat and supply children to take outside foldable children's seat overturns to the suitcase from the suitcase in, this technical scheme's implementation can alleviate the burden that people carried the baby and children's travel greatly, gives the line and brings the convenience.

Description

Suitcase combined with folding child seat

The technical field is as follows:

the invention relates to the technical field of foldable child seats and suitcases, in particular to a suitcase combined with a foldable child seat.

Background art:

with the updating of the education ideas and the improvement of the economic income of people, more and more parents can take the baby to travel, so that the children can observe the world from childhood, know the world, receive various external information, widen the eyesight and increase the knowledge; children and parents travel together on the road for travel, and are also the best parent-child education.

When people go out to travel, the trolley luggage is a necessary article, most of the existing trolley luggage only has the function of storing luggage, and for passengers with children to go out, the passengers need to pull the luggage, hold the children at the same time or carry a baby carriage additionally, so that the traveling burden is increased, and much inconvenience is brought to the travelers.

The invention content is as follows:

aiming at the defects of the prior art, the invention provides a luggage case combined with a folding child seat, wherein the folding child seat is stored in the luggage case when being folded, can be opened to be a child seat on the luggage case when being used, is used for a baby to sit and has two purposes, and the burden of a passenger who takes a baby to travel can be greatly reduced.

In order to achieve the purpose, the invention is realized by the following technical scheme:

the suitcase that has foldable child seat of combination, including the suitcase body, foldable child seat 21, seat bottom plate 22, box apron 23: as shown in figure 1; the foldable child seat 21 is connected to the seat bottom plate 22, the right side of the seat bottom plate 22 is hinged with the adjacent sides of the front panel 11 and the top panel 15 of the luggage case, and after being folded, the foldable child seat 21 can be accommodated in the cavity 24 behind the luggage case cover plate 23 together with the seat bottom plate; when the foldable child seat needs to be used, the box body cover plate can be opened, the foldable child seat and the seat bottom plate are turned over from the inside of the luggage case to the outside of the luggage case, and the seat bottom plate is fixed on the top surface 15 of the luggage case through the locking fastener: as shown in fig. 3, the foldable child seat connected to the seat bottom plate is further unfolded for the infant to sit: as shown in fig. 4 or fig. 7;

the opening and closing mode of the box body cover plate can be an outward turning mode based on the hinged lower edge of the box body cover plate and the front breadth 11 of the luggage case: as shown in fig. 2; or a downward translation type that a slide way is arranged on the front breadth 11 of the luggage case for sliding the case body cover plate: as shown in fig. 3.

The first folding child seat comprises a seat board 51, a backup board 52, an armrest piece 53, an armrest support piece 54, a rotation limiting piece or a backup board support piece: as shown in fig. 4; one end of the backup plate is hinged with the seat plate, and the other end of the backup plate, which is hinged with the seat plate, can be turned upwards; the armrest pieces 53 are arranged at the left side and the right side of the backup plate 52, one end of each armrest piece is hinged with the backup plate, the armrest supporting pieces 54 are arranged at the left side and the right side of the seat plate 51, and one end of each armrest supporting piece is hinged with the seat plate; the other ends of the handrail piece and the handrail supporting piece are hinged with each other; when the foldable child seat is opened, the back plate is turned upwards, the turning angle is limited by a rotation limiting piece or a supporting piece with other structures to form a seat backrest, and the armrest pieces on the left side and the right side and the armrest supporting pieces are hinged together to be linked and opened upwards to form the foldable child seat armrest;

when the folding child seat needs to be folded, the back plate 52 is turned forwards and downwards and is flatly placed on the seat plate 51, the armrest piece and the armrest supporting piece are linked together and downwards, the back plate and the seat plate are flatly placed on two sides of the back plate, and the folding is completed: as shown in fig. 5 and 6.

The second foldable child seat includes a front stay 81, a rear stay 82, a bottom bracket 83, a back bracket 84, and a seat stay 85, and further includes a linkage folding member 86: as shown in fig. 7; the front support rods are two, one is respectively arranged on the left and the right, one end of each front support rod is hinged with the seat bottom plate 22, a linkage folding component 86 is arranged on each front support rod, and each linkage folding component comprises a sliding sleeve which is sleeved on the front support rod and can slide along the front support rod and a positioning locking component which can lock the sliding sleeve on the front support rod; the two rear supporting rods are respectively provided with one left supporting rod and one right supporting rod, one end of each rear supporting rod is respectively hinged with the seat bottom plate 22, and the other end of each rear supporting rod is respectively hinged with a sliding sleeve on a linkage folding component 86 arranged on the front supporting rod; the bottom bracket 83 comprises a transverse connecting rod and two side supporting rods, the heads of the two side supporting rods are connected with a telescopic component, the telescopic component is connected to the seat bottom plate and comprises an elastic telescopic component or a sliding telescopic component, and the parts of the two side supporting rods, which are close to the transverse connecting rod, are respectively hinged with the two front supporting rods; the back support 84 comprises two side support rods and a transverse connecting rod, the two side support rods are telescopically inserted into the two front support rod pipes, the transverse connecting rod is provided with a button, the button drives a telescopic element, the two side support rods can be pulled out and retracted from the front support rod pipes through button operation, and the telescopic element is connected to control the positioning locking or unlocking of the linkage folding component; the upper and lower edges of the seat supporting cloth 85 are respectively fixed on the transverse connecting rods of the back bracket 84 and the bottom bracket 83; the telescopic element and the linkage folding component comprise a positioning locking component, which are the prior art, are actually applied to the folding type child stroller, and the specific structures of the telescopic element and the linkage folding component are not described again; the folding child seat can be unfolded for use or folded for storage as required.

Further, the folding child seat comprises a safety belt; the safety belt comprises two woven belts and fixing mechanisms respectively fixed at one ends of the two woven belts; the fixing mechanism comprises a buckle and a lock tongue, the other ends of the two woven belts are respectively fixed on the folding child seat, the buckle and the lock tongue are devices for fastening and unfastening the seat belt, and the length of the woven belt of the seat belt can be adjusted.

Further, the folding child seat comprises a sunshade; the awning comprises a stay bar 71 and awning cloth 72, wherein the stay bar 71 comprises stay bars at two sides and transverse connecting rods, the number of the stay bars 71 is not less than 2, and the awning cloth 72 is fixed on the transverse connecting rods of the stay bars; the two side stay head portions of the stay 71 of the first folding child seat of this embodiment are respectively hinged to two sides of the backrest plate 52 of the folding child seat: as shown in fig. 4; in the second foldable child seat of the present embodiment, the two side stay rod portions of the stay rod 71 are respectively hinged to the stay rods at two sides of the foldable child seat back bracket 84: as shown in fig. 7; after the foldable child seat is opened, the supporting rod can be unfolded, the sunshade cloth is unfolded in a linkage mode, and a foldable child seat sunshade is formed: as shown in fig. 9.

The luggage case comprises a combined push rod, wherein the combined push rod consists of two telescopic support rods 91 and 92 and two grip units 93 and 94; the two telescopic support rods are respectively arranged in the box bodies of the front panel and the rear panel at two sides of the rear side surface 14 of the luggage case, the two handle units are respectively hinged at the heads of the two telescopic support rods, the heads of the two telescopic support rods are provided with buttons, the buttons drive telescopic elements, and the telescopic support rods can be respectively pulled out of and retracted into the luggage case through button operation; the two handle units can be combined into a whole through a closing structure or a lock catch on the handle units based on hinged rotation, and the transverse handle is connected with two telescopic support rods: as shown in fig. 10; thus, when a child sits on the seat of the luggage case, the adult does not push the seat at the side but at the back, which is convenient and labor-saving, and the child on the seat is in the sight, which is helpful for safety.

The luggage case comprises an indexable push-pull rod, a control button 104, a rotating assembly 105 and a strut clamping device, wherein the indexable push-pull rod comprises telescopic struts 101 and 102 at two sides and a transverse handle 103; the telescopic supporting rods 101 and 102 are connected to the rotating assembly 105, the control button 104 is arranged at a position where the telescopic supporting rods extend out of the luggage case, the rotating assembly 105 and a plurality of supporting rod clamping devices are fixed in a rear breadth box body of the luggage case, and the supporting rod clamping devices are used for locking the position of the indexable push-pull rod converted into a drag link or an inclined push rod; through opening and shutting of control button control vaulting pole screens device, the angle that can rotate the push-and-pull rod through rotating assembly as required according to the use is the drag link: as shown in fig. 11, or the angle of the push-pull rod is rotated to be an oblique push rod: as shown in fig. 12; when a person pulls the luggage case in front, the straight pull rod mode can be used, and when the luggage case is pushed on the side face of the luggage case, the inclined push rod mode can be used, so that the luggage case is convenient and labor-saving in terms of stress.

Further, the luggage case combined with the foldable child seat comprises a footrest; the footrest 55 is arranged on the box board of the front side surface 12 outside the trunk, two sides of the left side and the right side are respectively provided with one, the lower end of the footrest is hinged with the trunk, and the upper end of the footrest can be pulled out outwards: as shown in the attached figure 4, the footrest is used for the footrest of a child when the child sits on the seat, the hinge joint of the footrest and a trunk is provided with a slide way, and the position of the pulled-out footrest can be adjusted up and down based on the slide way.

The luggage case combined with the folding type child seat comprises a sunken lifting handle; the sunken handle comprises a main handle 25 and an auxiliary handle 26, and the sunken handle is arranged in a handle concave cavity of the luggage case: as shown in figure 1; when the sunken lifting handle is not used, the sunken lifting handle can be embedded into the lifting handle cavity, the upper plane of the sunken lifting handle is the same plane with the surface of the trunk, and when the foldable child seat is turned over to the outer top surface of the trunk and fixed, the seat bottom plate can be tightly attached to the top surface of the trunk, so that the stability of the child seat is improved; the upper plane of the sunken lifting handle and the surface of the trunk are the same plane, so that the sunken lifting handle is favorable for stacking the trunks during transportation, and the freight space can be saved.

Furthermore, the luggage case also comprises an inserted accommodating bag; a storage and insertion device is arranged on the inner side of the case cover plate 23 or a cavity 24 for storing the foldable child seat, the insertion type storage bag is used as a spare part, when the child seat is not needed in the travel, the foldable child seat and the seat bottom plate can be detached from the luggage case together, the insertion type storage bag can be inserted on the storage and insertion device, articles are stored by utilizing the cavity of the luggage case, and the utilization efficiency of the luggage case is improved; the plug-in storage bag comprises a file bag or a computer bag.

The invention has the beneficial effects that: when people take a baby or a child to travel outside, the child can sit on the child seat of the luggage case in some occasions, only the luggage case needs to be pushed, the child is held while the luggage case does not need to be pulled, and the child cart does not need to be additionally taken, so that the burden of carrying the child to travel can be greatly reduced, and convenience is brought to the child; if the child seat is not taken out, the foldable child seat can be detached, the inserted file bag or the storage bag is inserted into the inner side of the box body cover plate, and the cavity space of the original built-in foldable child seat is utilized to store files, computers or other articles.

Description of the drawings:

FIG. 1: the folding child seat is stored in a section structure schematic diagram of a concave cavity behind a box body cover plate of the luggage case; the labels on each side of the luggage case are as follows: 11 is the front web, 12 is the front side, 13 is the back web, 14 is the back side and 15 is the top side.

FIG. 2: the foldable child seat is turned to the schematic view of the top surface of the luggage case, and the cover plate of the case body is in an outward turning type.

FIG. 3: the foldable child seat is turned to the schematic view of the top surface of the luggage case, and the cover plate of the case body is of a downward moving type.

FIG. 4: a first folding child seat is shown in an open configuration on the top side of a luggage case.

FIG. 5: a first folding child seat is shown in a lower plan view when folded.

FIG. 6: a first folding child seat is shown folded with a top plan view.

FIG. 7: a second folding child seat is shown in the open top side of the luggage case.

FIG. 8: a second folding child seat is shown in plan view when folded.

FIG. 9: the folding type child seat sunshade is in a schematic structure when being opened.

FIG. 10: the arrangement and the structure schematic diagram of the combined push rod and the grip unit of the suitcase.

FIG. 11: the mode section structure of the luggage case straight pull rod of the indexable push-pull rod is schematic.

FIG. 12: schematic structural diagram of a mode section of an inclined push rod of a luggage case with an indexable push-pull rod.

The specific implementation mode is as follows:

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

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience of simplified description of the invention, and do not indicate or imply that the referred devices or elements must have a specific orientation or be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

The luggage with the foldable child seat comprises a luggage body, a foldable child seat 21, a seat bottom plate 22 and a case cover plate 23; the child seat 21 is attached to a seat pan 22, the right side of which is hinged to the adjacent sides of the front panel 11 and the top panel 15 of the luggage case, and can be stowed with the seat pan in a cavity 24 behind the luggage case lid 23: as shown in figure 1; when the foldable child seat needs to be used, the box cover plate can be opened, the foldable child seat 21 and the seat bottom plate 22 are turned over from the inside of the luggage case to the outside of the luggage case based on hinging, and the seat bottom plate is fixed on the top surface 15 of the luggage case through the locking fastener: as shown in fig. 2, the foldable child seat connected to the seat bottom plate is further unfolded for the infant to sit: as shown in fig. 4 or fig. 7; after the folding child seat is turned outside the luggage box, the opened box body cover plate can be closed again.

The first foldable child seat of the present embodiment includes a seat plate 51, a backrest plate 52, an armrest 53 and an armrest support 54, and further includes a rotation limiting member or a backrest support; the rear end of the backup plate 52 is hinged with the seat plate 51, and the front end of the backup plate can be turned upwards based on the hinging of the rear end; the armrest 53 is arranged at the left side and the right side of the backup plate, the rear end of the armrest is hinged with the backup plate, the armrest supporting piece 54 is arranged at the left side and the right side of the seat plate, the rear end of the armrest supporting piece is hinged with the seat plate, and the front end of the armrest supporting piece are hinged with each other; when the foldable child seat is opened, the backup plate is turned upwards, the turning angle is limited through the rotation limiting part to form a seat backrest, the left and right armrest pieces and the armrest supporting piece are linked together to be opened upwards based on the hinging, and the foldable child seat armrest is formed: as shown in fig. 4;

when the folding child seat needs to be folded, the backrest plate 52 is folded forwards and downwards and is laid on the seat plate 51, the armrest piece 53 and the armrest supporting piece 54 are linked together based on the hinging, and are laid on two sides of the backrest plate and two sides of the seat plate, and the folding is completed: as shown in fig. 5 and 6.

The second foldable child seat of this embodiment includes a front stay 81, a rear stay 82, a bottom bracket 83, a back bracket 84, and a seat stay 85, and further includes a linkage folding member 86: as shown in fig. 6; the front support rods 81 are two in number, one is arranged on the left and the right, the front end of each front support rod is hinged with the seat bottom plate 22, a linkage folding member 86 is arranged on each front support rod, and each linkage folding member comprises a sliding sleeve which is sleeved on the front support rod and can slide along the front support rod and a positioning locking component which can lock the sliding sleeve on the front support rod; the rear support rods 82 are two in number, one is arranged on the left and the right, the rear end of each rear support rod is hinged with the seat bottom plate 22, and the front end of each rear support rod is hinged with a sliding sleeve arranged on a linkage folding component 86 on the front support rod; the bottom bracket 83 comprises a transverse connecting rod and two side supporting rods, the heads of the two side supporting rods are connected with an elastic telescopic component, the elastic telescopic component is connected to the seat bottom plate, and the parts of the two side supporting rods, which are close to the transverse connecting rod, are respectively hinged with the two front supporting rods; the back support 84 comprises two side support rods and a transverse connecting rod, the two side support rods are telescopically inserted into the tubes of the two front support rods 81, the transverse connecting rod is provided with a button, the button drives a telescopic element, the two side support rods can be pulled out and retracted from the tubes of the front support rods through the operation of the button, and the telescopic element is connected to control the positioning locking or unlocking of the linkage folding component; the upper and lower edges of the seat supporting cloth 85 are respectively fixed on the transverse connecting rods of the back bracket 84 and the bottom bracket 83;

when the folding child seat is unfolded: as shown in fig. 7, the front stay 81 and the rear stay 82 are supported on the seat pan to form a triangular bracket, and the bottom bracket 83 is supported therewith; the supporting rods at the two sides of the back bracket 84 are pulled out from the front supporting rod 81 tube, and the button on the transverse connecting rod of the back bracket 84 controls the linkage folding component 86 to position the locking component, adjust and lock the supporting angles of the front supporting rod and the rear supporting rod; the seat stay 85 fixed on the transverse links of the back and bottom brackets is also unfolded to serve as the seat cushion and the backrest of the foldable child seat;

when the foldable child seat is folded, the supporting rods at two sides of the back support 84 are pushed to retract into the tubes of the front supporting rods 81 under the control of the buttons on the transverse connecting rods of the back support 84, the positioning locking assemblies in the linkage folding component 86 are unlocked, the sliding sleeve of the linkage folding component drives the front end of the rear supporting rod 82 to slide towards the front supporting rod and one end hinged to the seat bottom plate 22, the inclined angle of the front supporting rod and the rear supporting rod relative to the seat bottom plate is reduced, the supporting rods at two sides of the bottom support 83 hinged to the front supporting rod are retracted through the telescopic component under the action of pressure until the front supporting rod, the rear supporting rod and the bottom support are all laid on the seat bottom plate 22, and the foldable child seat is folded: as shown in fig. 8.

The folding child seat comprises a safety belt, wherein the safety belt comprises two woven belts and fixing mechanisms respectively fixed at one ends of the two woven belts, and each fixing mechanism comprises a buckle and a lock tongue; the other ends of the two strips of webbing are each secured to the foldable child seat, the buckle and tongue being means for fastening and unfastening a seat belt, the length of the belt being adjustable.

The folding child seat of the present embodiment includes a canopy; the awning comprises a stay bar 71 and awning cloth 72, wherein the stay bar 71 comprises stay bars at two sides and transverse connecting rods, the number of the stay bars 71 is not less than 2, and the awning cloth 72 is fixed on the transverse connecting rods of the stay bars; the two side stay head portions of the stay 71 of the first folding child seat of this embodiment are respectively hinged to two sides of the backrest plate 52 of the folding child seat: as shown in fig. 4; when the folding child seat is folded, the stay bars at two sides of the stay bar 71 are arranged between the gaps of the backup plate 52 and the armrest piece 53: as shown in fig. 6; in the second foldable child seat of the present embodiment, the two side stay rod portions of the stay rod 71 are respectively hinged to the stay rods at two sides of the foldable child seat back bracket 84: as shown in fig. 7, when the foldable child seat is folded, the stay at both sides of the stay 71 is placed between the space between the stay at both sides of the back frame and the rear stay 82: as shown in fig. 8; after the foldable child seat is opened, the supporting rod 71 can be unfolded, the sunshade cloth is unfolded in linkage, and a foldable child seat sunshade is formed: as shown in fig. 9.

The luggage case of the embodiment comprises a combined push rod, wherein the combined push rod is composed of two telescopic support rods 91 and 92 and two grip units 93 and 94; two telescopic support rods are respectively arranged at the adjacent edge positions of the front breadth 11 and the back side surface 14 and the adjacent edge positions of the back breadth 13 and the back side surface 14 in the luggage case, one ends of two handle units 93 and 94 are respectively hinged at the heads of the two telescopic support rods, the heads of the two telescopic support rods are respectively provided with a button, the buttons drive telescopic elements, and the telescopic support rods can be respectively pulled out of and retracted into the luggage case through the button operation; two handle units are pulled out from the suitcase along with scalable vaulting pole, and based on articulated the back of rotating, can make up as an organic whole from top to bottom through closing buckle structure or hasp setting, become a horizontal handle of connecting two vaulting poles: as shown in fig. 10.

The luggage case with the folding type child seat comprises an indexable push-pull rod, a control button 104, a rotating assembly 105 and a strut clamping device, wherein the indexable push-pull rod comprises telescopic struts 101 and 102 on two sides and a transverse handle 103; the telescopic supporting rods 101 and 102 are connected to the rotating assembly 105, the rotating assembly 105 is mounted on a fixing frame 106, the fixing frame is fixed in the trunk body of the rear panel 14 of the luggage case, a plurality of supporting rod clamping devices are fixed in the trunk body of the rear panel, the supporting rod clamping devices are used for locking the position of the indexable push-pull rod converted into a drag rod or an inclined push rod, the control button 104 is arranged at the position where the telescopic supporting rod extends out of the luggage case, the opening and closing of the supporting rod clamping devices are controlled through the control button, and the angle of the push-pull rod which can be rotated through the rotating assembly according to the use requirement is the drag rod: as shown in fig. 11, or a diagonal push rod: as shown in fig. 12.

The luggage with the folding type child seat comprises a footrest; the footrest 55 is arranged on the box board of the front side surface 12 outside the trunk, and the left side and the right side are respectively provided with one: as shown in fig. 4; the lower end of the footrest is hinged with the trunk, and the upper end of the footrest can be pulled out based on the hinge of the lower end and is used for placing a footrest for children when sitting on the seat; the hinge joint of the footrest and the luggage case is provided with a slide way, and the footrest can be adjusted up and down based on the slide way.

The luggage case with the folding child seat of the present embodiment includes a sunken handle comprising a main handle 25 and an auxiliary handle 26 disposed within handle cavities in the front and top sides of the luggage case, respectively: as shown in figure 1; when the sunken lifting handle is not used, the sunken lifting handle can be embedded into the lifting handle cavity, after the sunken lifting handle is embedded into the lifting handle cavity, the upper plane of the sunken lifting handle and the surface of a trunk are in the same plane, when the folding child seat 21 is turned and fixed, the seat bottom plate 22 can be tightly attached to the top surface 15 of the trunk, the stability of the child seat is improved, and the sunken lifting handle is also favorable for stacking the trunk during transportation.

The luggage case of the embodiment also comprises an inserting type storage bag; a plug-in storage device is arranged inside the case cover plate 23 or in the cavity 24 for storing the foldable child seat, the plug-in storage bag is used as a spare part, when the child seat is not needed for traveling, the foldable child seat and the seat bottom plate can be detached from the luggage case together, and the plug-in storage bag can be plugged in the plug-in storage device, so that articles can be stored in the cavity of the luggage case, and the utilization efficiency of the luggage case is improved; the plug-in storage bag comprises a file bag or a computer bag.

The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; 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 these modifications or substitutions do not make the corresponding technical solutions depart from the spirit and scope of the technical solutions of the embodiments of the present invention, so that all other embodiments obtained by those skilled in the art without making creative efforts belong to the protection scope of the present invention.

Claims (10)

1. A suitcase combined with a foldable child seat, characterized in that: comprises a luggage case body, a folding child seat, a seat bottom plate and a case body cover plate; the foldable child seat is arranged on the seat bottom plate, and can be accommodated in a concave cavity behind the box body cover plate of the luggage box together with the seat bottom plate after being folded; the trunk cover can be opened, the folding child seat and the seat bottom plate are turned over from the inside of the trunk to the outside of the trunk, the seat bottom plate is fixed outside the trunk through the locking fastener, and then the folding child seat is opened.

2. A luggage case incorporating a folding child seat as claimed in claim 1, wherein: the folding child seat comprises a seat board, a backup plate, an armrest piece, an armrest supporting piece, a rotation limiting piece or a backup plate supporting piece; when the folding child seat is opened, one end of the backrest plate is hinged with the seat plate, and the other end of the backrest plate, which is hinged with the seat plate, can be turned upwards to form a seat backrest; when the backup plate is turned upwards, the armrest pieces and the armrest supporting pieces on the left side and the right side are hinged to each other and are linked and opened together to form the foldable child seat armrest.

3. A luggage case incorporating a folding child seat as claimed in claim 1, wherein: the folding child seat comprises a front support rod, a rear support rod, a bottom support, a back support, seat supporting cloth and a linkage folding component, wherein the linkage folding component comprises a positioning locking component; one ends of the front supporting rod and the rear supporting rod are respectively hinged with the seat bottom plate, and the other ends of the front supporting rod and the rear supporting rod are connected through the linkage folding component; the bottom bracket comprises support rods at two sides and a transverse connecting rod, the support rods at two sides are hinged with the front support rod, and a telescopic component is connected between the head of each support rod at two sides and the seat bottom plate; the back support comprises support rods at two sides and a transverse connecting rod, the support rods at the two sides are telescopically inserted into the two front support rod pipes, the transverse connecting rod is provided with a button, the button controls the support rods at the two sides to be pulled out and retracted from the front support rod pipes through a telescopic element, and the telescopic element is connected and controls the linkage folding component; two sides of the seat supporting cloth are respectively fixed on the transverse connecting rods of the back support and the bottom support.

4. A luggage case incorporating a folding child seat as claimed in claim 1, wherein: the folding child seat comprises a harness; the safety belt comprises two woven belts and fixing mechanisms respectively fixed at one ends of the two woven belts; the fixing mechanism comprises a buckle and a lock tongue, the other ends of the two woven belts are respectively fixed on the folding child seat, the buckle and the lock tongue are devices for fastening and unfastening the seat belt, and the length of the woven belt of the seat belt can be adjusted.

5. A luggage case incorporating a folding child seat as claimed in claim 1, wherein: the foldable child seat comprises a sunshade, wherein the sunshade comprises a stay bar and sunshade cloth; the supporting rods comprise supporting rods at two sides and transverse connecting rods, the heads of the supporting rods at the two sides are respectively hinged to the folding child seat, the number of the supporting rods is not less than 2, the sunshade cloth is fixed on the transverse connecting rods of the supporting rods, and when the folding child seat is opened, the supporting rods can be unfolded to unfold the sunshade cloth in a linkage mode.

6. A luggage case incorporating a folding child seat as claimed in claim 1, wherein: the combined push rod is composed of two telescopic support rods and two grip units; the two telescopic support rods are respectively arranged in the luggage case, the handle units are respectively hinged at the heads of the telescopic support rods, the telescopic support rods can be pulled out and retracted from the luggage case through the operation of buttons arranged at the heads of the support rods, and the two handle units can be combined into a whole through a buckling structure or a lock catch arrangement to form a transverse handle for connecting the two telescopic support rods.

7. A luggage case incorporating a folding child seat as claimed in claim 1, wherein: the rotary type push-pull rod comprises a telescopic support rod and a transverse handle, which are arranged on two sides, a control button, a rotating assembly and a support rod clamping device; the telescopic support rod is connected to the rotating assembly, the rotating assembly is fixed to one side in the luggage case, the control button is arranged at the position, extending out of the luggage case, of the telescopic support rod, the control button can control the opening and closing of the support rod clamping device, and the support rod clamping device is used for locking the position, converted into the straight pull rod or the inclined push rod, of the indexable push-pull rod.

8. A luggage case incorporating a folding child seat as claimed in claim 1, wherein: comprises a footrest; the foot rest is arranged outside the trunk body, one end of the foot rest is hinged with the trunk body, a slide is arranged at the hinged position, the other end of the foot rest can be pulled out outwards based on the hinge, and the position of the foot rest can be adjusted up and down based on the slide.

9. A luggage case incorporating a folding child seat as claimed in claim 1, wherein: comprises a sunken handle; the sunken type handle is arranged in a handle concave cavity of the luggage case, and can be embedded into the handle concave cavity when not in use, so that the upper plane of the sunken type handle and the surface of the luggage case are positioned on the same plane.

10. A luggage case incorporating a folding child seat as claimed in claim 1, wherein: comprises a plug-in type receiving bag; a plug-in device of the plug-in type storage bag is arranged in the inner side of the box body cover plate or the cavity behind the box body cover plate, and the plug-in type storage bag can be plugged in the plug-in device; the plug-in storage bag comprises a file bag or a computer bag.

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