CN210212501U - Folding stroller for children - Google Patents

Abstract

The utility model discloses a folding stroller for children, which comprises a front wheel, a rear wheel, a quick-release front wheel frame, a front wheel folding tube, a rear wheel folding frame, a stroller pushing rod, a quick-release wheel locking device, a cushion, a protective frame, a folding storage box and a quick-release part; when the folding bicycle is required to be folded, the front wheel folding tube and the rear wheel folding frame can be folded, meanwhile, the cushion, the protective frame and the folding storage box can be tightly attached to the rear wheel folding frame, the cart pushing rod is retracted into the front wheel folding tube, the size is effectively reduced, the occupied space is reduced, and the folding storage box is arranged and can be used for storing small toys or small articles and the like; the push-pull handle is arranged, so that the use is convenient, and the handle can be rotated and retracted when not used, so that the feeling of tangling is reduced, the occupied space is further reduced, and the carrying is convenient; in addition, the front wheel frame can be quickly disassembled and assembled through the quick disassembly front wheel frame, the quick disassembly and assembly and locking can be quickly realized through the rear wheel through the quick disassembly locking wheel device, the disassembly and assembly process is simple, time and labor are saved, the occupied space is effectively reduced, and convenience is brought to outgoing carrying and storage.

Description

Folding stroller for children

Technical Field

The utility model relates to a toy shallow, concretely relates to folding shallow of children.

Background

The stroller product is widely applied, and people can put children into the stroller for outdoor sports, so that the stroller is really convenient for a lot. However, when the stroller is carried or stored, the stroller often has a large volume and requires a large space for storage, and for example, the stroller in a normal use state cannot be placed in a trunk of the stroller. And the dismouting process is troublesome, wastes time and energy, for this reason, only need abandon to unpack apart, leads to its occupation space more, is unfavorable for going out to carry and plays and store. In addition, the utility model has no storage function and brings inconvenience to the use.

SUMMERY OF THE UTILITY MODEL

In view of the above, an object of the utility model is to provide a structural design is ingenious, reasonable, easily folding, easy dismounting has the folding shallow of children of storing function.

In order to achieve the above purpose, the utility model provides a technical scheme is:

a folding stroller for children comprises front wheels, rear wheels, a quick-release front wheel frame, a front wheel folding tube, a rear wheel folding frame, a stroller pushing rod, a quick-release wheel locking device, a cushion, a protective frame, a folding storage box and a quick-release part, wherein the middle part of the front wheel folding tube is hinged with the middle part of the rear wheel folding frame, the quick-release front wheel frame is arranged at the lower end of the front wheel folding tube, the two front wheels are arranged at two ends of the quick-release front wheel frame, the lower end of the rear wheel folding frame is provided with an installation shaft, the two rear wheels are respectively arranged on the installation shaft through the quick-release wheel locking device, the front end of the cushion is hinged at the upper part of the rear wheel folding frame, the quick-release part is sleeved on the front wheel folding tube, one edge of the quick-release part is hinged at the bottom surface of the cushion, the front end of the protective frame is hinged at the upper end of the rear wheel folding frame, and can be overturned to enable the tail end of the protective frame to be pressed at the, the lower end of the cart rod is inserted into the front wheel folding tube, the upper end of the cart rod is provided with a push-pull handle, and the folding storage box is arranged at the lower part of the rear wheel folding frame.

As an improvement of the utility model, the wheel carrier includes plug bush, front wheel return bend, epitheca and bottom before the quick detach, plug bush's lower extreme is equipped with radially forms the clamping part with its U type bayonet socket that runs through, and this plug bush's upper end radially reduces the insertion portion that forms and can insert the front wheel folding tube, the middle part of front wheel return bend be equipped with the flat adaptation portion of U type bayonet socket looks adaptation, the both ends symmetry is buckled forward and is formed the installation department, flat adaptation portion card is gone into U type bayonet socket, the epitheca closes the cladding with bottom looks lid in the junction of plug bush and front wheel return bend.

As an improvement of the utility model, the middle part position of epitheca be equipped with the cover body of plug bush looks adaptation, the both sides of this epitheca are followed the orbit direction of buckling of front wheel return bend extends and forms cooperation portion, the position that the bottom corresponds the cover body is equipped with lets clamping part male cavity.

As an improvement of the utility model, be equipped with many sand grips that extend along its axial direction on the inner wall of the cover body, this sand grip with the outer wall interference fit of the folding pipe of front wheel.

As an improvement of the utility model, the quantity of sand grip is six, is centre of a circle symmetric distribution on the inner wall of the cover body.

As an improvement of the utility model, the insertion part is provided with an elastic clamping pin, and the front wheel folding tube is provided with a clamping hole matched with the elastic clamping pin.

As an improvement of the utility model, a reflector panel is arranged at the front edge of the middle part of the upper shell.

As an improvement of the utility model, the quick-release wheel locking device comprises a pipe sleeve shell, a sealing cover, an inner disc, a locking plate, a locking rod, a first elastic component, a second elastic component and a shaft sleeve, wherein the shaft sleeve is arranged at the end part of an installation shaft, the pipe sleeve shell is movably sleeved on the installation shaft, an inserting sleeve matched with the lower end of a rear wheel folding frame is arranged on the outer side wall of the pipe sleeve shell, the sealing cover is fixed on the installation shaft and can seal the opening at the inner end of the pipe sleeve shell, the inner disc is arranged at the outer end of the pipe sleeve shell, a rear wheel shaft on the rear wheel penetrates through the inner disc to be inserted into the shaft sleeve, an annular clamping groove is arranged at the position between the rear wheel shaft corresponding to the shaft sleeve and the inner disc, a first sliding cavity is radially arranged at the position of the pipe sleeve shell corresponding to the annular clamping groove, one end of the locking plate is bent to extend into the first sliding cavity to form an upper stop part, the other end of the locking plate extends out of the pipe sleeve shell to form a pressing part, the first elastic part is positioned in the first sliding cavity, and can be pressed on the upper blocking part to force the locking plate to move radially so that the inner edge of the through opening is clamped on the annular clamping groove, a second sliding cavity is eccentrically and axially arranged in the pipe sleeve shell, the lock rod is positioned in the second sliding cavity, one end of the lock rod penetrates through the inner disc and axially extends to the rear hub position on the rear wheel to form a lock head part, a plurality of locking grooves matched with the lock head part are symmetrically arranged on the rear wheel hub in a circle center manner, the other end of the locking rod extends to the position of the sealing cover and is radially enlarged to form a pushing head part, the second elastic part is positioned in the second sliding cavity, the inner wall of the sealing cover is provided with a driving slope which can push the push head part to force the lock rod to move axially so that the lock head part extends into the locking groove.

As an improvement of the utility model, the position that the inner edge of opening is close to last fender portion is equipped with the block tongue, be equipped with on this block tongue with the arc bayonet socket of ring groove appearance profile looks adaptation.

As an improvement of the utility model, the end of the pushing head part is hemispherical.

As an improvement of the utility model, one end of the driving slope is lower in height, and the other end of the driving slope extends along the circumferential direction of the sealing cover and is gradually increased; the lowest point of the driving slope is recessed downwards to form an opening limiting notch matched with the pushing head, and the highest point of the driving slope is recessed downwards to form a locking limiting notch matched with the pushing head.

As an improvement of the present invention, the first elastic member is a spring or an elastic rubber sleeve; the second elastic component is a spring or an elastic rubber sleeve.

As an improvement of the utility model, be the centre of a circle symmetry on the surface of axle sleeve and be equipped with many sand grips that extend along its axial direction, the one end that this axle sleeve inserted the installation axle radially is equipped with the lockhole, and install epaxial be equipped with the corresponding pinhole of this lockhole with be equipped with the through-hole corresponding with this lockhole on the closing cap.

As an improvement of the utility model, the middle part of the installation shaft is provided with a pulling block.

As an improvement of the utility model, folding storage box includes set casing, movable shell, flexible three corner pieces and attacker's shell, the bilateral symmetry of set casing is equipped with the hook foot that can the pothook on the folding leg of rear wheel, the lower edge of movable shell is articulated mutually with the lower edge of set casing, two a right-angle side of flexible three corner pieces connect respectively on the both sides of set casing, and another right-angle side is connected respectively on the both sides of movable shell, attacker's shell sets up the last reason intermediate position at the set casing, and be equipped with on the movable shell and establish the screens of looks adaptation with this attacker's shell.

As an improvement of the utility model, the attacker's shell includes kink and pulling portion, the one end bilateral symmetry of kink is equipped with the articulated shaft, and the other end is connected pull in the portion, be equipped with on the screens and be in when activity shell and fixed shell cover the ability buckle pull the card of portion's lower limb position protruding.

As an improvement of the present invention, the bending angle of the bending part is 110 to 120 degrees;

as an improvement of the utility model, the flexible triangular plate is flexible cloth or a flexible net;

as an improvement of the utility model, the lower part of the fixed shell is arched outwards; the lower part of the movable shell is arched outwards.

As an improvement of the utility model, the push-pull handle comprises a connecting sleeve, an upper handle shell, a lower handle shell, a limiting block, a spring, a connecting screw, a nut and a gland, wherein a baffle plate is arranged at the middle position in the connecting sleeve to form an inserting cavity matched with the pusher rod at the lower end inner hole of the connecting sleeve, a central hole sleeve extending along the axial direction of the baffle plate is arranged at the central position of the upper surface of the baffle plate, a lower limiting cavity matched with the limiting block is formed between the central hole sleeve and the upper end inner hole wall of the connecting sleeve, the spring and the limiting block are positioned in the lower limiting cavity, the spring can push the limiting block to enable the upper part of the limiting block to protrude from the lower limiting cavity, a sleeve cavity matched with the connecting sleeve is arranged at the bottom surface of the front part of the lower handle shell, a movable cavity is arranged at the front top surface, the sleeve cavity is movably sleeved on the connecting sleeve, and an upper limiting cavity matched with the upper part of the, the bottom surface of the movable cavity is provided with a through hole communicated with the upper limiting cavity, the connecting screw penetrates through the bottom surface of the sleeve cavity, the central hole sleeve and the partition plate and is matched with the nut, the tail part of the lower handle shell is provided with a clamping cavity, the upper handle shell cover is closed on the lower handle shell and is provided with a clamping head matched with the clamping cavity, the front part of the upper handle shell is provided with a round opening corresponding to the movable cavity, the pressing cover is placed into the movable cavity through the round opening, and the pressing foot which extends into the through hole and can press the limiting block to withdraw from the upper limiting cavity when the pressing cover moves downwards is arranged on the pressing cover.

As an improvement of the present invention, the outer wall of the upper portion of the connecting sleeve radially reduces to form a head portion adapted to the sleeve cavity.

As an improvement of the utility model, the lower surface central point of baffle put be equipped with the stop collar of nut appearance profile looks adaptation.

As an improvement of the present invention, a protrusion is provided on the side wall of the chuck, and a hook hole adapted to the protrusion is provided on the inner wall of the card cavity.

As an improvement of the utility model, the appearance profile of the stopper is circular, and the outer periphery of the stopper is provided with four bosses in a circle center symmetry.

As an improvement of the utility model, go up and be equipped with the sealed card strip on the binding face of shell and lower shell phase laminating, and be equipped with the seal groove with this sealed card strip looks adaptation down on the shell.

The inner wall of the insert cavity is provided with an axial convex strip, and the push rod is provided with an axial groove matched with the axial convex strip.

The utility model has the advantages that: the utility model has the advantages of ingenious and reasonable structural design, when needing to be folded, the folding tube of the front wheel and the folding frame of the rear wheel can be folded, meanwhile, the cushion, the protective frame and the folding storage box can be tightly attached to the folding frame of the rear wheel, the cart pushing rod is retracted into the folding tube of the front wheel, the volume is effectively reduced, the occupied space is reduced, and the folding storage box is arranged and can be used for storing small toys or small articles and the like; the push-pull handle is arranged, so that the use is convenient, and the handle can be rotated and retracted when not used, so that the feeling of tangling is reduced, the occupied space is further reduced, and the carrying is convenient; in addition, can carry out the dismouting to the front wheel fast through quick detach front wheel frame, can carry out dismouting and locking through the rear wheel fast through quick detach lock wheel device, the dismouting process is simple and easy, labour saving and time saving effectively reduces occupation space, for going out to carry to play and store and bring the convenience.

The present invention will be further explained with reference to the drawings and the embodiments.

Drawings

Fig. 1 is a schematic view of the expanded three-dimensional structure of the present invention.

Fig. 2 is a schematic view of the folding three-dimensional structure of the present invention.

Fig. 3 is a schematic structural view of the middle quick-release front wheel frame of the present invention.

Fig. 4 is an exploded view of the quick release front wheel frame of the present invention.

Fig. 5 is a schematic structural diagram 1 of the upper shell of the present invention.

Fig. 6 is a schematic structural diagram 2 of the upper shell of the present invention.

Fig. 7 is a schematic structural view of the middle quick release wheel locking device of the present invention.

Fig. 8 is an exploded schematic view of the quick release wheel locking device of the present invention.

Fig. 9 is a schematic structural diagram 1 of the middle tube housing of the present invention.

Fig. 10 is a schematic structural view of the middle tube casing of the present invention 2.

Fig. 11 is a schematic structural view of the assembly of the pipe casing and the locking plate of the present invention.

Fig. 12 is a schematic structural view of the locking plate assembly of the present invention.

Fig. 13 is a schematic structural view of the lock lever of the present invention.

Fig. 14 is a schematic structural diagram of the middle cap of the present invention.

Fig. 15 is a schematic view of the closed structure of the middle folding storage box of the present invention.

Fig. 16 is a schematic view of the opening structure of the foldable storage box of the present invention.

Fig. 17 is an exploded view of the foldable storage box of the present invention.

Fig. 18 is a schematic structural view of the middle buckle shell of the present invention.

Fig. 19 is a schematic perspective view of the middle push-pull handle of the present invention.

Fig. 20 is a schematic sectional view of the middle push-pull handle of the present invention.

Fig. 21 is an exploded view of the push-pull handle of the present invention.

Fig. 22 is a schematic sectional view of the upper handle case according to the present invention.

Fig. 23 is a schematic perspective view of the upper handle case of the present invention.

Fig. 24 is a schematic perspective view of the lower handle shell of the present invention.

Fig. 25 is a schematic view of a three-dimensional structure of the middle connection sleeve of the present invention 1.

Fig. 26 is a schematic view of a three-dimensional structure of the connecting sleeve of the present invention 2.

Fig. 27 is a schematic perspective view of the middle gland of the present invention.

Detailed Description

Embodiment, referring to fig. 1 to 27, a folding stroller for children comprises a front wheel 1, a rear wheel 2, a quick-release front wheel frame 3, a front wheel folding tube 4, a rear wheel folding frame 5, a stroller rod 6, a quick-release wheel locking device 7, a seat cushion 8, a protective frame 9, a folding storage box 10 and a quick-release part 11.

The middle part of the front wheel folding tube 4 is hinged with the middle part of the rear wheel folding frame 5, the quick-release front wheel frame 3 is arranged at the lower end of the front wheel folding tube 4, the two front wheels 1 are arranged at the two ends of the quick-release front wheel frame 3, the lower end of the rear wheel folding frame 5 is provided with an installation shaft 12, the two rear wheels 2 are respectively arranged on the installation shaft 12 through quick-release wheel locking devices 7, the front end of the cushion 8 is hinged at the upper part of the rear wheel folding frame 5, the quick-release part 11 is sleeved on the front wheel folding tube 4, one edge of the quick-release part 11 is hinged at the bottom surface of the cushion 8, the front end of the protective frame 9 is hinged at the upper end of the rear wheel folding frame 5 and can be turned over to press the tail end of the protective frame 9 against the upper part of the front wheel folding tube 4 or tightly against the lower part of the front wheel folding tube 4, the lower end of the trolley pushing rod 6 is inserted into the front wheel folding tube 4, and the upper end of, the folding storage box 10 is arranged at the lower part of the rear wheel folding rack 5.

Specifically, referring to fig. 3 to 6, the quick release front wheel frame 3 includes a plug sleeve 31, a front wheel elbow 32, an upper shell 33 and a bottom cover 34, the lower end of the plug sleeve 31 is provided with a U-shaped bayonet 311 penetrating through the plug sleeve to form a clamping portion, the upper end of the plug sleeve 31 is radially reduced to form an insertion portion 312 capable of being inserted into the front wheel folding tube 4, the middle of the front wheel elbow 32 is provided with a flat adapting portion 321 adapted to the U-shaped bayonet 311, two ends of the front wheel elbow are symmetrically bent forward to form an installation portion 322, the flat adapting portion 321 is clamped into the U-shaped bayonet 311, and the upper shell 33 and the bottom cover 34 are covered and coated at the connection between the plug sleeve 31 and the front wheel elbow 32.

Specifically, a sleeve body 331 adapted to the plug sleeve 31 is disposed in the middle of the upper shell 33, two sides of the upper shell 33 extend along the bending track direction of the front wheel elbow 32 to form a matching portion 332, and a cavity 341 into which the clamping portion is inserted is disposed in the bottom cover 34 corresponding to the sleeve body 331. The recess 342 that this cavity 341's bilateral symmetry was equipped with and installation department 322 looks adaptation, can fix a position installation department 322 through cooperation portion 332 and recess 342 looks adaptation, and structural stability is good.

Preferably, a plurality of ribs 333 extending along the axial direction of the sleeve 331 are disposed on the inner wall of the sleeve 331, and the ribs 333 are in interference fit with the outer wall of the front wheel folding tube 4. The assembly is realized through the convex strips 333, so that the contact area is effectively reduced, the plugging and the unplugging are facilitated, and the convenience is brought to the disassembly and the assembly. In this embodiment, the number of the convex strips 333 is preferably six, and the convex strips are symmetrically distributed on the inner wall of the sleeve body 331. In other embodiments, the number of the protruding strips 333 may be four or five.

In order to improve the assembly stability, the insertion portion 312 is provided with an elastic locking leg 35, and the front wheel folding tube 4 is provided with a locking hole 41 matched with the elastic locking leg 35. The elastic clip 35 is formed by bending a metal elastic sheet, and has a V-shape as a whole, a bent middle portion, and two legs formed at two ends. The end parts of the two support legs are provided with clamping points protruding outwards. The elastic buckle is located in the insertion portion 312, and the two legs are pressed against the inner wall of the insertion portion 312, so that the fastening point protrudes and can be fastened into the fastening hole 41.

In order to improve the use safety, a reflecting plate 36 is arranged at the front edge of the middle part of the upper shell 33, and has a warning effect.

The clamping part on the plug sleeve 31 can be quickly clamped on the flat adapting part 321 of the front wheel bent pipe 32, and then the plug sleeve 31 and the front wheel bent pipe 32 are limited and fixed by covering and cladding the upper shell 33 and the bottom cover 34, so that the matching stability is effectively improved; the insertion part 312 can be conveniently butted with the front wheel folding tube 4, and the assembly and disassembly are simple and convenient. When the front wheel folding tube needs to be disassembled, the elastic clamping pin is pressed to withdraw from the clamping hole of the front wheel folding tube 4, and then the front wheel folding tube 4 is pulled out from the plug sleeve, so that the aim of disassembling the front wheel can be fulfilled; during assembly, the front wheel folding tube 4 is directly inserted into the sleeve body 331 of the plug sleeve 31, so that the front wheel folding tube 4 is automatically sleeved on the insertion part 312 of the plug sleeve 31, and at the moment, the elastic clamping pins are correspondingly clamped into the clamping holes, thereby achieving the purpose of locking. The disassembly and assembly process is simple and convenient, easy to operate, time-saving and labor-saving.

Referring to fig. 7 to 14, the quick release locking wheel device 7 includes a tube housing 71, a cover 72, an inner disc 73, a locking plate 74, a locking lever 75, a first elastic member 76, a second elastic member 77, and a bushing 78.

The shaft sleeve 78 is arranged at the end of the mounting shaft 12, the pipe sleeve housing 71 is movably sleeved on the mounting shaft 12, an insertion sleeve 711 matched with the lower end of the rear wheel folding leg 5 is arranged on the outer side wall of the pipe sleeve housing 71, the sealing cover 72 is fixed on the mounting shaft 12 and can seal an opening at one end of the inner side of the pipe sleeve housing 71, the inner disc 73 is arranged at one end of the outer side of the pipe sleeve housing 71, the rear wheel 2 shaft on the rear wheel 2 penetrates through the inner disc 73 and is inserted into the shaft sleeve 78, the rear wheel shaft 21 on the rear wheel 2 is provided with an annular clamping groove 22 corresponding to the position between the shaft sleeve 78 and the inner disc 73, a first sliding cavity 712 is radially arranged at the position of the pipe sleeve housing 71 corresponding to the annular clamping groove 22, one end of the locking piece 74 is bent to extend into the first sliding cavity 712 to form an upper blocking part 741, the middle part of the locking piece 74 is provided with an opening 742 whose outline size is slightly larger than the, the first elastic member 76 is located in the first sliding cavity 712 and can press against the upper blocking part 741 to force the locking plate 74 to move radially so that the inner edge of the through hole 742 is clamped on the annular clamping groove 22, the tube housing 71 is internally provided with a second sliding cavity 713 in an eccentric axis direction, the locking bar 75 is located in the second sliding cavity 713, one end of the locking bar 75 penetrates through the inner disc 73 and extends axially to the rear hub position on the rear wheel 2 to form a locking head part 751, a plurality of locking grooves 23 matched with the locking head part 751 are symmetrically arranged on the rear hub in a circle center manner, the other end of the locking bar 75 extends to the position of the sealing cover 72 and radially increases to form a locking head part 752, the second elastic member 77 is located in the second sliding cavity 713 and can press against the locking head part 752 to force the locking bar 75 to move axially so that the locking head part 751 exits from the locking groove 23, the inner wall of the sealing cover 72 is provided with a driving part capable of pushing against the locking head part 752 to force the locking bar 75 to move axially so that the locking head part 751 extends into the A ramp 721.

Preferably, a latch 744 is disposed at a position close to the upper blocking portion 741 on an inner edge of the through hole 742, and an arc-shaped bayonet matched with the contour of the ring-shaped slot 22 is disposed on the latch 744. The arc bayonet is clamped into the annular clamping groove 22, so that the rear wheel shaft 21 on the rear wheel 2 is effectively limited to move in the axial direction and only in the circumferential direction.

The end of the push head 752 is hemispherical, which effectively improves the smoothness of the sliding of the push head 752 on the driving slope 721.

Specifically, one end of the driving slope 721 is lower in height, and the other end of the driving slope extends along the circumferential direction of the sealing cover 72 and is gradually higher; the lowest point of the driving ramp 721 is recessed downward to form an opening stopper recess 7211 fitted to the push head portion 752, and the highest point of the driving ramp 721 is recessed downward to form a locking stopper recess 7212 fitted to the push head portion 752. When the pushing head 752 slides to the lowest point, the pushing head 752 can be limited by opening the limiting notch 7211; when the pushing head 752 slides to the highest point, the pushing head 752 can be limited by the locking limiting notch 7212, and displacement during use is avoided.

In this embodiment, the first elastic member 76 and the second elastic member 77 are both springs, and in other embodiments, the first elastic member 76 and the second elastic member 77 may be elastic rubber sleeves.

Preferably, a plurality of convex strips extending along the axial direction are symmetrically arranged on the outer surface of the shaft sleeve 78 in a circle center manner, a locking hole is radially arranged at one end of the shaft sleeve 78 inserted into the mounting shaft 12, a pin hole corresponding to the locking hole is arranged on the mounting shaft 12, and a through hole corresponding to the locking hole is arranged on the sealing cover 72. The pin penetrates through the lock hole, the pin hole and the through hole, so that the purpose of fixed connection is achieved.

For convenient operation, the middle part of the mounting shaft 12 is provided with a wrench block 79, when locking is needed, the wrench block 79 is wrenched downwards to push the mounting shaft 12 to rotate, and then the sealing cover 72 is driven to rotate, the locking rod 75 is pushed outwards to do axial action through the driving slope 721 to be inserted into the locking groove 23, the purpose of locking the wheel is achieved, and the safety use is improved; when the rear wheel needs to be disassembled, the pressing part 743 is pressed to retreat into the pipe sleeve, the locking plate 74 is forced to move radially to enable the through hole 742 to move upwards to retreat from the annular clamping groove 22, the rear wheel shaft 21 can be directly pulled out at the moment, the purpose of disassembling the rear wheel is achieved, and the operation is simple and convenient.

Referring to fig. 15, 16, 17 and 18, the foldable storage box 10 includes a fixed shell 101, a movable shell 102, flexible triangular plates 103 and a handle shell 104, wherein hook legs 1011 capable of hooking the rear wheel folding frame 5 are symmetrically disposed on two sides of the fixed shell 101, a lower edge of the movable shell 102 is hinged to a lower edge of the fixed shell 101, a right-angle edge of each of the two flexible triangular plates 103 is respectively connected to two side edges of the fixed shell 101, another right-angle edge of each of the two flexible triangular plates is respectively connected to two side edges of the movable shell 102, the handle shell 104 is disposed in the middle of the upper edge of the fixed shell 101, and a fastening portion 1021 matched with the handle shell 104 is disposed on the movable shell 102. The flexible triangular plate 103 can be flexible cloth or flexible net. Two right-angle sides of the flexible triangular plate 103 are correspondingly fixed on the fixed shell 101 or the movable shell 102 through a pressing strip 105, and the pressing strip 105 is fixed through screws.

Referring to fig. 18, the handle shell 104 includes a bending portion 1041 and a pulling portion 1042, two sides of one end of the bending portion 1041 are symmetrically provided with a hinge shaft 1043, the other end is connected to the pulling portion 1042, and the locking portion 1021 is provided with a locking protrusion that can be locked at a lower edge of the pulling portion 1042 when the movable shell 102 and the fixed shell 101 are covered. Preferably, the bending angle of the bending portion 1041 is preferably 110 to 120 degrees.

To increase the storage capacity, the lower portion of the stationary case 101 is arched outward; the lower portion of the movable housing 102 is arched outward, effectively increasing the inner space.

Referring to fig. 19 to 27, the push-pull handle 13 includes a connection sleeve 131, an upper handle case 132, a lower handle case 133, a stopper 134, a spring 135, a connection screw 136, a nut 137, and a gland 138.

A partition plate 1311 is arranged in the middle of the connecting sleeve 131 to form an inserting cavity 1312 matched with the cart pushing rod 6 in the lower end inner hole of the connecting sleeve 131, a central hole sleeve 1313 extending along the axial direction of the partition plate 1311 is arranged in the center of the upper surface of the partition plate 1311, a lower limiting cavity 1314 matched with the limiting block 134 is formed between the central hole sleeve 1313 and the upper end inner hole wall of the connecting sleeve 131, the spring 135 and the limiting block 134 are positioned in the lower limiting cavity 1314, the spring 135 can push the limiting block 134 to enable the upper part of the limiting block 134 to protrude from the lower limiting cavity 1314, a sleeve cavity 1331 matched with the connecting sleeve 131 is arranged on the bottom surface of the front part of the lower handle shell 133, a movable cavity 1332 is arranged on the top surface of the front part, the sleeve cavity 1331 is movably sleeved on the connecting sleeve 133131, an upper limiting cavity 1333 matched with the upper part of the limiting block 134 is arranged on the bottom surface of the sleeve cavity 1331, and a through hole 1334 communicated with the upper limiting cavity 1333, the connecting screw 136 passes through the bottom surface of the sleeve cavity 1331, the central hole sleeve 1313 and the partition 1311 and is matched with the nut 137, the tail part of the lower handle shell 133 is provided with a clamping cavity 1335, the upper handle shell 132 covers the lower handle shell 133 and is provided with a clamping head 1321 matched with the clamping cavity 1335, the front part of the upper handle shell 132 is provided with a round opening 1322 corresponding to the movable cavity 1332, the gland 138 is placed in the movable cavity 1332 through the round opening 1322, and the gland 138 is provided with a pressure foot 1381 which extends into the through hole 1334 and can press the limit block 134 to withdraw from the upper limit cavity 1333 when moving downwards.

The outer wall of the upper part of the connecting sleeve 131 is radially reduced to form a rotating head 1315 matched with the sleeve cavity 1331, which brings convenience to assembly.

And a limiting sleeve 1316 matched with the contour of the nut 137 is arranged at the center of the lower surface of the partition 1311, so that the assembly is facilitated, and the stability is good.

A protrusion 1323 is arranged on the side wall of the chuck 1321, and a hook hole 1336 matched with the protrusion 1323 is arranged on the inner wall of the clamping cavity 1335.

The outline of the limiting block 134 is circular, and four bosses 1341 are symmetrically arranged on the outer circumferential surface of the limiting block in a circle center manner, so that the purpose of occlusion locking is realized.

The joint surface of the upper handle shell 132 and the lower handle shell 133 is provided with a sealing clamping strip, and the lower handle shell 133 is provided with a sealing groove matched with the sealing clamping strip.

An axial convex strip 1317 is arranged on the inner wall of the insert cavity 1312, and an axial groove 61 matched with the axial convex strip 1317 is arranged on the cart push rod 6, so that the purpose of guiding and limiting is achieved, and the assembly is tight.

When the handle is not used, the pressing cover 138 is pressed down, the pressing foot 1381 presses the limiting block 134 to move downwards to withdraw from the upper limiting cavity 1333, and the upper handle shell 132 and the lower handle shell 133 can be screwed to rotate to achieve the purpose of withdrawing, so that the feeling of protrusion is reduced, the occupied space is reduced, and the carrying is convenient.

Variations and modifications to the above-described embodiments may occur to those skilled in the art, in light of the above teachings and teachings. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should fall within the protection scope of the claims of the present invention. Furthermore, although specific terms are used in the description, these terms are for convenience of description only and do not limit the present invention in any way, and other carts identical or similar thereto are also within the scope of the present invention.

Claims (10)

1. The utility model provides a children's folding shallow, its includes front wheel and rear wheel, its characterized in that: the foldable luggage carrier further comprises a quick-release front wheel frame, a front wheel folding tube, a rear wheel folding frame, a trolley pushing rod, a quick-release wheel locking device, a cushion, a protective frame, a foldable storage box and a quick-release part, wherein the middle part of the front wheel folding tube is hinged with the middle part of the rear wheel folding frame, the quick-release front wheel frame is arranged at the lower end of the front wheel folding tube, two front wheels are arranged at two end positions of the quick-release front wheel frame, an installation shaft is arranged at the lower end of the rear wheel folding frame, the two rear wheels are respectively arranged on the installation shaft through the quick-release wheel locking device, the front end of the cushion is hinged at the upper position of the rear wheel folding frame, the quick-release part is sleeved on the front wheel folding tube, one edge of the quick-release part is hinged at the bottom surface of the cushion, the front end of the protective frame is hinged at the upper end of the rear wheel folding frame, and the tail end of the protective frame can be pressed against the, the lower end of the cart rod is inserted into the front wheel folding tube, the upper end of the cart rod is provided with a push-pull handle, and the folding storage box is arranged at the lower part of the rear wheel folding frame.

2. The child folding stroller of claim 1, wherein: the quick detach front wheel carrier includes plug bush, front wheel return bend, epitheca and bottom, plug bush's lower extreme is equipped with radially forms the clamping part with its U type bayonet socket that runs through, and this plug bush's upper end radially reduces to form and can insert the portion of inserting of front wheel folding tube, the middle part of front wheel return bend be equipped with the flat adaptation portion of U type bayonet socket looks adaptation, both ends symmetry are buckled forward and are formed the installation department, flat adaptation portion card is gone into U type bayonet socket, the epitheca covers the cladding mutually with the bottom the junction of plug bush and front wheel return bend.

3. The stroller of claim 2, wherein: the middle position of epitheca with plug sleeve pipe looks adaptation cover body, the both sides of this epitheca are followed the bending track direction of front wheel return bend extends and forms cooperation portion, the position that the bottom corresponds the cover body is equipped with and lets the inserted cavity of clamping part.

4. The stroller of claim 3, wherein: the inner wall of the sleeve body is provided with a plurality of raised lines extending along the axial direction of the sleeve body, and the raised lines are in interference fit with the outer wall of the front wheel folding tube.

5. The child folding stroller of claim 1, wherein: the quick-release wheel locking device comprises a pipe sleeve shell, a sealing cover, an inner disc, a locking plate, a locking rod, a first elastic component, a second elastic component and a shaft sleeve, wherein the shaft sleeve is arranged at the end part of an installation shaft, the pipe sleeve shell is movably sleeved on the installation shaft, an inserting sleeve matched with the lower end of a rear wheel folding frame is arranged on the outer side wall of the pipe sleeve shell, the sealing cover is fixed on the installation shaft and can seal an opening at one end of the inner side of the pipe sleeve shell, the inner disc is arranged at one end of the outer side of the pipe sleeve shell, a rear wheel shaft on a rear wheel penetrates through the inner disc to be inserted into the shaft sleeve, an annular clamping groove is arranged at the position, corresponding to the position between the shaft sleeve and the inner disc, of the pipe sleeve shell, a first sliding cavity is radially arranged at the position corresponding to the annular clamping groove, one end of the locking plate is bent to extend into the first sliding cavity, the other end of the locking plate extends out of the pipe sleeve shell to form a pressing part, the first elastic part is positioned in the first sliding cavity, and can be pressed on the upper blocking part to force the locking plate to move radially so that the inner edge of the through opening is clamped on the annular clamping groove, a second sliding cavity is eccentrically and axially arranged in the pipe sleeve shell, the lock rod is positioned in the second sliding cavity, one end of the lock rod penetrates through the inner disc and axially extends to the rear hub position on the rear wheel to form a lock head part, a plurality of locking grooves matched with the lock head part are symmetrically arranged on the rear wheel hub in a circle center manner, the other end of the locking rod extends to the position of the sealing cover and is radially enlarged to form a pushing head part, the second elastic part is positioned in the second sliding cavity, the inner wall of the sealing cover is provided with a driving slope which can push the push head part to force the lock rod to move axially so that the lock head part extends into the locking groove.

6. The stroller of claim 5, wherein: and a clamping tongue is arranged at the position, close to the upper blocking part, of the inner edge of the through hole, and an arc-shaped bayonet matched with the outline of the annular clamping groove is arranged on the clamping tongue.

7. The child folding stroller of claim 1, wherein: folding storage box includes set casing, movable shell, flexible three hornblocks and attacker's shell, the bilateral symmetry of set casing is equipped with the hook foot that can the pothook on the folding leg of rear wheel, the lower edge of movable shell is articulated mutually with the lower edge of set casing, two a right-angle side of flexible three hornblocks connect respectively on the both sides of set casing, and another right-angle side connects respectively on the both sides of movable shell, attacker's shell sets up the upper reason intermediate position at the set casing, and be equipped with on the movable shell and establish the screens of looks adaptation with this attacker's shell.

8. The stroller of claim 7, wherein: the handle shell comprises a bending part and a pulling part, hinge shafts are symmetrically arranged on two sides of one end of the bending part, the other end of the bending part is connected to the pulling part, and clamping protrusions which can be clamped at the lower edge of the pulling part when the movable shell and the fixed shell are covered are arranged on the clamping positions.

9. The child folding stroller of claim 1, wherein: the push-pull handle comprises a connecting sleeve, an upper handle shell, a lower handle shell, a limiting block, a spring, a connecting screw, a nut and a gland, wherein a partition plate is arranged in the middle of the connecting sleeve to enable a lower end inner hole of the connecting sleeve to form an inserting cavity matched with the push rod, a central hole sleeve extending along the axial direction of the partition plate is arranged in the center of the upper surface of the partition plate, a lower limiting cavity matched with the limiting block is formed between the central hole sleeve and the upper end inner hole wall of the connecting sleeve, the spring and the limiting block are positioned in the lower limiting cavity, the spring can push the limiting block to enable the upper portion of the limiting block to protrude from the lower limiting cavity, a sleeve cavity matched with the connecting sleeve is arranged on the bottom surface of the front portion of the lower handle shell, a movable cavity is arranged on the top surface of the front portion, the sleeve cavity is movably sleeved on the connecting sleeve, and an upper limiting cavity matched with the, the bottom surface of the movable cavity is provided with a through hole communicated with the upper limiting cavity, the connecting screw penetrates through the bottom surface of the sleeve cavity, the central hole sleeve and the partition plate and is matched with the nut, the tail part of the lower handle shell is provided with a clamping cavity, the upper handle shell cover is closed on the lower handle shell and is provided with a clamping head matched with the clamping cavity, the front part of the upper handle shell is provided with a round opening corresponding to the movable cavity, the pressing cover is placed into the movable cavity through the round opening, and the pressing foot which extends into the through hole and can press the limiting block to withdraw from the upper limiting cavity when the pressing cover moves downwards is arranged on the pressing cover.

10. The child folding stroller of claim 9, wherein: the outer wall of the upper part of the connecting sleeve is radially reduced to form a rotating head part matched with the sleeve cavity.

Images