CN220682467U - Can link folding bassinet - Google Patents

Abstract

The utility model provides a children's vehicle capable of being folded in a linkage way, which comprises: the seat bracket assembly, the front leg assembly and the rear leg assembly are respectively hinged with the two sides of the push rod assembly and the sliding sleeve assembly in a pivot manner; the seat bracket assembly includes: the seat bracket comprises a seat bracket rod hinged with a sliding sleeve assembly pivot, and a seat support rod hinged with the seat bracket rod and a hand push rod assembly pivot respectively, wherein the middle part of the seat bracket assembly is provided with a abdication space; the front leg assembly of the vehicle includes: the front leg assembly is hinged with the front leg rod through a pivot of the sliding sleeve assembly, a front wheel arranged on the front leg rod, and a front leg supporting rod respectively hinged with the front leg rod and the pivot of the hand push rod assembly, and corresponds to the position of the abdication space; the vehicle rear leg assembly includes: the rear leg support rod is hinged with the bottom pivot of the hand push rod assembly, rear wheels mounted on the rear leg support rod and the rear leg support rod is hinged with the sliding sleeve assembly and the rear leg support rod respectively.

Description

Can link folding bassinet

Technical Field

The utility model belongs to the technical field of strollers, and particularly relates to a linkage foldable strollers.

Background

The baby carrier is a common transportation means for infants, generally comprises a frame and a seat, and is made into a foldable structure for convenient storage and transportation, so in the prior art, the frame generally comprises: in order to realize the folding of the frame, a hinged turntable is usually arranged at the joint of the hand-push rod assembly, the front leg assembly and the rear leg assembly of the frame;

in the folding process, the push rod assembly and the front foot assembly of the frame are rotated and folded relative to the rear leg assembly at the two sides of the rear leg assembly, but are stacked mutually between the folded parts, so that the thickness after folding is larger, and in addition, the thickness of the folded baby carrier is further increased because the push rod assembly, the front foot assembly and the rear leg assembly cannot be folded, so that the folded baby carrier is still inconvenient to store and transport, and the baby carrier with smaller volume after folding is developed to be a problem to be solved urgently by the person skilled in the art.

Disclosure of Invention

The utility model mainly aims to provide a baby carrier capable of being folded in a linkage way, so that the folded baby carrier has smaller volume compared with the traditional folding baby carrier, and is more convenient to store and transport.

In order to solve the technical problems, the utility model provides the following technical scheme:

a gangable folding stroller, comprising: the seat bracket assembly is positioned above the front leg assembly; wherein the seat bracket assembly comprises: the seat bracket comprises a seat bracket rod and a seat support rod, wherein the seat bracket rod is hinged with a sliding sleeve assembly pivot, the seat support rod is respectively hinged with the seat bracket rod and a hand push rod assembly pivot, and a yielding space is arranged in the middle of the seat bracket assembly; the front leg assembly includes: the front leg assembly is hinged with the sliding sleeve assembly through a pivot, a front wheel arranged on the front leg assembly, and a front leg supporting rod respectively hinged with the front leg assembly and the trolley assembly through a pivot, and corresponds to the position of the abdication space; the rear leg assembly includes: the rear leg support rod is hinged with the bottom pivot of the hand push rod assembly, rear wheels mounted on the rear leg support rod and rear leg support rods respectively hinged with the sliding sleeve assembly and the rear leg support rod; the sliding sleeve assembly drives the seat bracket rod to slide upwards, the front leg rod and the rear leg support rod are attached to the upper portion of the hand push rod assembly, and then the seat support rod, the front leg support rod and the rear leg rod are attached to the lower portion of the hand push rod assembly, so that the front leg assembly is contained in the abdication space, staggered with the seat bracket assembly, and staggered with the front wheels and the rear wheels.

As a preferred embodiment of the foldable stroller, the sliding sleeve assembly comprises: the sliding sleeve body is sleeved on the hand push rod assembly, and the first locking assembly is arranged on the sliding sleeve body; the first locking assembly includes: the sliding sleeve comprises a cover cap, a first bolt and a first reset spring, wherein the cover cap is arranged on the sliding sleeve body, the first bolt is arranged between the cover cap and the sliding sleeve body and can penetrate through the sliding sleeve body, and the first reset spring is arranged between the first bolt and the cover cap; the sliding sleeve body is provided with a first clamping hole, the hand push rod assembly is provided with a second clamping hole, the first bolt penetrates through the first clamping hole and then stretches into the second clamping hole, and the sliding sleeve body is locked relative to the hand push rod body; after the first bolt retracts into the cap along the direction of the first reset spring, the sliding sleeve body is unlocked relative to the hand push rod assembly; the two sides of the first bolt are provided with limit lugs which are abutted to the openings of the first clamping holes, and the limit lugs are used for preventing the first bolt from falling out of the first clamping holes; the seat bracket rod, the front leg rod and the rear leg support rod are hinged with the sliding sleeve body through pivots.

As a preferred embodiment of the foldable stroller, the push rod assembly comprises: the inner sleeve rod and the outer sleeve rod are sleeved on the outer side of the inner sleeve rod and used for sliding the inner sleeve rod; the bottom of the outer sleeve rod is provided with a fixed seat, and the seat supporting rod, the front leg supporting rod and the rear leg rod are respectively hinged with the fixed seat through pivots; the second clamping hole is formed in the outer sleeve rod, the bottom of the inner sleeve rod can be abutted against the first bolt to enable the first bolt to be abutted against and retracted into the cover cap, and accordingly the sliding sleeve body is unlocked relative to the hand push rod assembly.

As a preferred embodiment of the foldable stroller, the push rod assembly further comprises: the limiting sleeve is arranged at the opening at the top of the outer sleeve rod and is clamped between the outer sleeve rod and the inner sleeve rod; the limiting sleeve is provided with a limiting clamping hook, the outer sleeve rod is arranged in a limiting hole, and the limiting clamping hook is clamped with the limiting hole; the limiting rings are sleeved outside the inner sleeve rod and can be abutted against the limiting sleeves, so that the inner sleeve rod is prevented from being separated from the outer sleeve rod.

As a preferable scheme of the children's vehicle capable of being folded in a linkage way, the limiting sleeve is provided with a clamping convex column, the sliding sleeve body is provided with an elastic clamping piece, the elastic clamping piece is provided with a third clamping hole, and the clamping convex column can be clamped with the third clamping hole.

As a preferred embodiment of the foldable stroller, the push rod assembly further comprises: the second locking component is arranged at the opening at the bottom of the inner sleeve rod; the second locking assembly includes: the locking piece comprises a locking piece shell, a second bolt arranged in the locking piece shell, a second reset spring arranged between the locking piece shell and the second bolt, and a sliding guide rod passing through the locking piece shell and the second bolt; a guide sliding groove is formed along the length direction of the second bolt, and the guide sliding rod penetrates through the guide sliding groove, so that the second bolt can slide along the direction of the guide sliding groove; the inner sleeve rod is provided with a first positioning hole, the outer sleeve rod is provided with a second positioning hole, and the inner sleeve rod is locked relative to the outer sleeve rod after the second bolt sequentially passes through the first positioning hole and the second positioning hole; and after the second bolt is sequentially retracted into the locking piece shell from the second positioning hole and the first positioning hole along the direction of the second return spring, the inner sleeve rod is unlocked relative to the outer sleeve rod.

As a preferred embodiment of the foldable stroller, the push rod assembly further comprises: a handle arranged at the free end of the inner sleeve rod; the hand is equipped with the direction switch that can promote from top to bottom on the hand the bottom of direction switch is equipped with the cable, the second locking component still includes: the guide block is arranged in the locking piece shell and used for guiding the second bolt to move in a telescopic mode, and the guide block is connected with the guide switch through the inhaul cable; the guide block is provided with a first guide inclined plane, the second bolt is provided with a second guide inclined plane, and the first guide inclined plane can slide along the second guide inclined plane; the guide switch drives the guide block to move upwards through the inhaul cable, the first guide inclined plane drives the second guide inclined plane to slide downwards, so that the second bolt retracts into the locking piece shell, and the second reset spring is compressed; the guide switch drives the guide block to move downwards through the inhaul cable, the first guide inclined plane drives the second guide inclined plane to slide upwards, so that the second bolt extends out of the locking piece shell, and the second reset spring resets.

As a preferred embodiment of the foldable stroller, the guide switch includes: the guide switch body is arranged in the handle, the third reset spring is arranged between the guide switch body and the handle, and the switch guide key is arranged on the handle and used for controlling the switch of the guide switch body; the switch guide key includes: a switch button and a limit guide slide bar; the guide switch body includes: the guide switch comprises a guide switch shell, a third bolt arranged in the guide switch shell and a fourth reset spring clamped between the guide switch shell and the third bolt; the switch button can be used for enabling the third bolt to be abutted into the guide switch shell, the fourth reset spring is in a compressed state, the guide switch can be unlocked relative to the handle, and the third reset spring is in a compressed state; the fourth reset spring can enable the third bolt to be connected into the handle in a clamping mode, the guide switch can be locked relative to the handle, and the third reset spring is in a reset state; the guide switch shell is provided with a limit guide groove, and the limit guide slide rod can slide in the limit guide groove and limit the downward movement range of the guide switch shell.

As a preferred embodiment of the foldable baby carriage, the rear wheel comprises: a rear wheel body, a rear wheel mounting member that mounts the rear wheel body to the rear leg bar, and a third locking assembly that locks and unlocks the rear wheel body with respect to the rear wheel mounting member; the rear wheel mounting piece is fixed on the rear leg rod, the rear wheel body is provided with a rotating shaft, and the rotating shaft sequentially stretches into the rear wheel mounting piece and the rear leg rod to rotatably mount the rear wheel on the rear leg rod; the third locking assembly includes: the vehicle locking pedal is rotatably arranged on the rear wheel mounting part, and the clamping reset part can lock and unlock the rear wheel body, after the clamping reset part is arranged in the rear wheel mounting part, one end of the clamping reset part is abutted against the vehicle locking pedal, and the other end of the clamping reset part is abutted against the rear wheel body; the vehicle locking pedal is provided with an abutting groove, the rear wheel body is provided with a positioning groove, and the abutting groove can enable the clamping resetting piece to abut into the positioning groove to lock the rear wheel body; the car locking pedal is provided with a second abdicating groove, the second abdicating groove provides a resetting space for the clamping resetting piece, so that the clamping resetting piece is separated from the positioning groove, and the car rear wheel body is unlocked.

As a preferable scheme of the children cart capable of being folded in a linkage way, a reset quick-release plate is further arranged on the rear wheel mounting piece, and the rotating shaft is provided with a limiting groove; the reset quick-release plate is separated from the limiting clamping groove, and the rear wheel body is detachable; the reset quick-release plate is in reset joint with the limit clamping groove, and the rear wheel body is not detachable.

The beneficial effects of the utility model are as follows:

the utility model provides a linkage folding baby carrier, which is characterized in that a seat bracket component is split into a seat bracket rod and a seat supporting rod, a front leg component is split into a front leg rod, a front wheel and a front leg supporting rod, a rear leg is split into a rear leg rod, a rear wheel and a rear leg supporting rod, a seat bracket component is arranged above the front leg component, a space for yielding is arranged in the middle of the seat bracket component, the front leg component corresponds to the position of the space for yielding, a sliding sleeve component slides upwards to drive the seat bracket rod, the front leg rod and the rear leg supporting rod on two sides of the hand pushing rod component to be attached to the upper part of a hand pushing rod component, and then the seat supporting rod, the front leg supporting rod and the rear leg rod on two sides of the hand pushing rod component are driven to be attached to the lower part of the hand pushing rod component, so that the front leg component is contained in the space for yielding and the seat bracket component to be staggered, and the front wheel for the front wheel is staggered with the rear wheel; by adopting the scheme, the seat bracket component and the front leg component can be staggered relative to the push rod component after the seat bracket component and the front leg component are folded, the rear leg component and the seat bracket component can be staggered with the front leg component, and the front wheel and the rear wheel can be staggered, so that the thickness of the foldable baby carrier after being folded in a linkage way is reduced; moreover, with seat bracket subassembly, preceding leg subassembly and car back leg subassembly split come to fold respectively in the different positions of hand push pole subassembly, further reduce the thickness after the folding bassinet of can linkage is folded for can folding bassinet be convenient for more accomodate and transport, promote user's use experience.

Drawings

For a clearer description of the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it will be apparent that the drawings in the following description are only some embodiments of the present utility model, and it is possible for a person skilled in the art to obtain other drawings according to these drawings without inventive effort, all falling within the scope of protection of the present utility model, wherein:

FIG. 1 is a schematic view of a foldable stroller in a normal state;

FIG. 2 is a schematic view of a folding process of a foldable stroller in a linkage manner;

FIG. 3 is a schematic view of a folded configuration of a foldable stroller in a ganged manner in accordance with the present utility model;

FIG. 4 is a cross-sectional view of the gangable folding stroller of FIG. 1 in a normal state;

FIG. 5 is an enlarged partial view at section A of the normal condition of the gangable folding stroller shown in FIG. 4;

FIG. 6 is an enlarged partial view at section B of the normal condition of the gangable folding stroller shown in FIG. 4;

FIG. 7 is an enlarged partial view of the section C of the gangable folding stroller of FIG. 4 in a normal position;

FIG. 8 is an exploded view of the ganged folding stroller of FIG. 1 in a normal condition;

FIG. 9 is a schematic illustration of the push rod assembly of the gangable folding stroller of FIG. 8;

FIG. 10 is an exploded schematic view of a push rod assembly of the gangable folding stroller of FIG. 9;

FIG. 11 is an enlarged view of a portion of the push rod assembly A of the gangable folding stroller of FIG. 9;

FIG. 12 is an enlarged view of a portion of the push rod assembly at B of the gangable folding stroller shown in FIG. 9;

FIG. 13 is an enlarged view of a portion of the push rod assembly at C of the gangable folding stroller shown in FIG. 9;

FIG. 14 is a schematic view of the sliding sleeve assembly of the gangable folding stroller of FIG. 8;

FIG. 15 is an exploded schematic view of a sliding sleeve assembly of the gangable folding stroller of FIG. 14;

FIG. 16 is a schematic structural view of a rear leg assembly of the gangable folding stroller of FIG. 8;

FIG. 17 is a schematic view of a partial explosion of a rear leg assembly of the gangable folding stroller shown in FIG. 16;

fig. 18 is a schematic view of a latch pedal structure of a rear leg assembly of the gangable folding stroller shown in fig. 17.

Detailed Description

The following description of the technical solutions in the embodiments of the present utility model will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, the term "plurality" means two or more, unless explicitly defined otherwise. The term "and/or" as used herein includes cis-trans and all combinations of one or more of the associated listed items. The terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; "coupled" may be directly coupled or indirectly coupled through a medium. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the description of the present specification, the terms "one embodiment," "some embodiments," "particular embodiments," and the like, refer to particular features, structures, materials, or characteristics described in connection with that embodiment or example as being included in at least one embodiment or example of the present utility model. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The baby carrier is a common transportation means for infants, generally comprises a frame and a seat, and is made into a foldable structure for convenient storage and transportation, so in the prior art, the frame generally comprises: in order to realize the folding of the frame, a hinged turntable is usually arranged at the joint of the hand-push rod assembly, the front leg assembly and the rear leg assembly of the frame;

in the folding process, the push rod assembly and the front foot assembly of the frame are rotated and folded relative to the rear leg assembly at the two sides of the rear leg assembly, but are stacked mutually between the folded parts, so that the thickness after folding is larger, and in addition, the thickness of the folded baby carrier is further increased because the push rod assembly, the front foot assembly and the rear leg assembly cannot be folded, so that the folded baby carrier is still inconvenient to store and transport, and the baby carrier with smaller volume after folding is developed to be a problem to be solved urgently by the person skilled in the art.

In the present utility model, as shown in fig. 1, 2, 3, 4, 5, 6, 7 and 8, an embodiment of the present utility model provides a foldable stroller, which includes: the seat bracket assembly 30 is positioned above the front leg assembly 40, and the seat bracket assembly 30 and the front leg assembly 40 are respectively hinged with one side of the push rod assembly 10 and one side of the sliding sleeve assembly 20;

wherein the seat bracket assembly 30 comprises: a seat bracket rod 31 pivotally hinged to the sliding sleeve assembly 20, and a seat support rod 32 pivotally hinged to the seat bracket rod 31 and the hand push rod assembly 10 respectively, wherein a abdication space 100 is arranged in the middle of the seat bracket assembly 30;

the front leg assembly 40 includes: a front leg bar 41 pivotally hinged to the sliding sleeve assembly 20, a front wheel 42 mounted on the front leg bar 41, and a front leg support bar 43 pivotally hinged to the front leg bar 41 and the hand bar assembly 10, respectively, wherein the front leg assembly 40 corresponds to the position of the abdication space 100;

the rear leg assembly 50 includes: a rear leg bar 51 pivotally coupled to the bottom of the hand bar assembly 10, rear wheels 52 mounted to the rear leg bar 51, and a rear leg support bar 53 pivotally coupled to the slide sleeve assembly 20 and the rear leg bar 51, respectively;

the sliding sleeve assembly 20 slides upwards to drive the seat bracket rod 31, the front leg rod 41 and the rear leg support rod 53 to be attached to the upper part of the hand push rod assembly 10, so as to drive the seat support rod 32, the front leg support rod 43 and the rear leg rod 51 to be attached to the lower part of the hand push rod assembly 10, thereby enabling the front leg assembly 40 to be accommodated in the abdication space 100 and the seat bracket assembly 30 to be staggered, and the front wheels 42 and the rear wheels 52 to be staggered.

In the present utility model, by adopting the above-mentioned scheme, after the seat bracket assembly 30 and the front leg assembly 40 are folded relative to the push rod assembly 10, the seat bracket assembly 30 and the front leg assembly 40 can be staggered, the rear leg assembly 50 and the seat bracket assembly 30 can be staggered with the front leg assembly 40, and the front wheel 42 and the rear wheel 52 can be staggered to reduce the thickness of the folded foldable stroller, and the seat bracket assembly 30, the front leg assembly 40 and the rear leg assembly 50 are separated to be respectively folded at different positions of the push rod assembly 10, so that the thickness of the folded foldable stroller is further reduced, the folded stroller is more convenient to store and transport, and the use experience of a user is improved.

As shown in fig. 9, 10, 11, 12, 13, 14 and 15, to enable the sliding sleeve assembly 20 to be locked and unlocked relative to the push rod assembly 10, the sliding sleeve assembly 20 includes: a sliding sleeve body 21 sleeved on the hand push rod assembly 10 and a first locking assembly 22 mounted on the sliding sleeve body 21;

the first locking assembly 22 includes: a cap 221 mounted on the sliding sleeve body 21, a first pin 222 disposed between the cap 221 and the sliding sleeve body 21 and capable of passing through the sliding sleeve body 21, and a first return spring 223 disposed between the first pin 222 and the cap 221;

specifically, the sliding sleeve body 21 is provided with a first clamping hole 211, the hand push rod assembly 10 is provided with a second clamping hole 11, and in the locking process, the first bolt 222 passes through the first clamping hole 211 and then extends into the second clamping hole 11, the sliding sleeve body 21 is locked relative to the hand push rod assembly 10, and at this time, the sliding sleeve body 21 cannot slide relative to the hand push rod assembly 10;

in the unlocking process, after the first latch 222 retracts into the cap 221 along the direction of the first return spring 223, the sliding sleeve body 21 is unlocked relative to the push rod assembly 10, and at this time, the sliding sleeve body 21 can slide relative to the push rod assembly 10;

in order to prevent the first plug 222 from being pulled out of the first clamping hole 211, two sides of the first plug 222 are provided with limiting projections 2221 at positions corresponding to the first clamping hole 211, the limiting projections 2221 are abutted against the openings of the first clamping hole 211, and the limiting projections 2221 are used for preventing the first plug 222 from being pulled out of the first clamping hole 211;

in order to enable the seat support bar 31, the front leg bar 41 and the rear leg bar 53 to be pivotally hinged to the sliding sleeve assembly 20, the seat support bar 31, the front leg bar 41 and the rear leg bar 53 are pivotally hinged to the sliding sleeve body 21, and are folded to fit against the hand push bar assembly 10.

To enable the push rod assembly 10 to be extended and retracted and to unlock the first locking assembly 22 during extension and retraction, the push rod assembly 10 includes: an inner sleeve rod 12 and an outer sleeve rod 13 sleeved outside the inner sleeve rod 12 for sliding the inner sleeve rod 12;

the second clamping hole 11 is formed in the outer sleeve rod 13, and the bottom of the inner sleeve rod 12 can abut against the first bolt 222 to retract the first bolt 222 into the cap 221 in the sliding process, so that the sliding sleeve body 21 is unlocked relative to the push rod assembly 10;

in order to allow the seat support bar 32, the front leg support bar 43 and the rear leg bar 51 to be pivotally coupled to the push bar assembly 10, respectively, the bottom of the outer sleeve bar 13 is provided with a fixing base 131, and the seat support bar 32, the front leg support bar 43 and the rear leg bar 51 are pivotally coupled to the fixing base 131, respectively, so that the seat support bar 32, the front leg support bar 43 and the rear leg bar 51 can be pivoted with respect to the outer sleeve bar 13.

To prevent the inner sleeve rod 12 from backing out relative to the outer sleeve rod 13, the push rod assembly 10 further includes: the limiting sleeve 14 is arranged at the opening at the top of the outer sleeve rod 13, and the limiting sleeve 14 is clamped between the outer sleeve rod 13 and the inner sleeve rod 12;

the limiting sleeve 14 is provided with a limiting hook 141, the outer sleeve rod 13 is arranged in a limiting hole 132 at a position corresponding to the limiting hook 141, and the limiting hook 141 is clamped with the limiting hole 132, so that the limiting sleeve 14 is arranged at an opening at the top of the outer sleeve rod 13;

the outer side of the inner sleeve rod 12 is sleeved with a limiting ring 121, and the limiting ring 121 can abut against the limiting sleeve 14 in the sliding process of the inner sleeve rod 12 relative to the outer sleeve rod 13, so that the inner sleeve rod 12 is prevented from being separated from the outer sleeve rod 13.

In order to realize that the foldable baby carrier can be locked after being folded, the limiting sleeve 14 is provided with a clamping convex column 142, the sliding sleeve body 21 is provided with an elastic clamping sheet 212 at a position corresponding to the clamping convex column 142, the elastic clamping sheet 212 is provided with a third clamping hole 2121 corresponding to the clamping convex column 142, and the clamping convex column 142 can be clamped with the third clamping hole 2121, so that the sliding sleeve body 21 is locked relative to the limiting sleeve 14.

To enable the push rod assembly 10 to be locked and unlocked during telescoping, the push rod assembly 10 further includes: a second locking assembly 15, wherein the second locking assembly 15 is arranged at an opening at the bottom of the inner sleeve rod 12;

the second locking assembly 15 includes: a locker housing 151, a second latch 152 provided in the locker housing 151, a second return spring 153 provided between the locker housing 151 and the second latch 152, and a slide guide bar 154 passing through the locker housing 151 and the second latch 152;

a guide slide groove 1521 is provided along the length direction of the second pin 152, and the guide slide bar 154 passes through the guide slide groove 1521, so that the second pin 152 can slide along the direction of the guide slide groove 1521;

the inner sleeve rod 12 is provided with a first positioning hole 122, the outer sleeve rod 13 is provided with a second positioning hole 133, and the second bolt 152 sequentially passes through the first positioning hole 122 and the second positioning hole 133 in the locking process, and then the inner sleeve rod 12 is locked relative to the outer sleeve rod 13;

during unlocking, after the second latch 152 is sequentially retracted from the second positioning hole 133 and the first positioning hole 122 into the lock housing 151 along the direction of the second return spring 153 through the cooperation of the slide guide rod 153 and the slide guide groove 1521, the inner sleeve rod 12 is unlocked relative to the outer sleeve rod 13.

To drive the push rod assembly 10 to lock and unlock during retraction, the push rod assembly 10 further includes: a handle 16 provided at the free end of the inner sleeve rod 12;

the handle 16 is provided with a guide switch 161 capable of being pushed up and down, a guy cable 162 is arranged at the bottom of the guide switch 161, and the second locking assembly 15 further comprises: a guide block 155 provided in the lock housing 151 to guide the telescopic movement of the second pin 152, the guide block 155 being connected to the guide switch 161 via the cable 162;

the guide block 155 is provided with a first guide inclined plane 1551, the second plug 152 is provided with a second guide inclined plane 1522, and the first guide inclined plane 1551 can slide along the second guide inclined plane 1522;

in the unlocking process, the guide switch 161 drives the guide block 155 to move upwards through the pull cable 162, the first guide inclined plane 1551 drives the second guide inclined plane 1522 to slide downwards, so that the second latch 152 is retracted into the lock housing 151, and the second return spring 153 is compressed;

in the locking process, the guide switch 161 drives the guide block 155 to move downwards through the pull cable 162, the first guide inclined plane 1551 drives the second guide inclined plane 1522 to slide upwards, so that the second latch 152 extends out of the locking piece housing 151, and the second return spring 153 returns.

In order to limit the locking and unlocking of the guide switch 161, the guide switch 161 includes: a guide switch body 1611 provided in the handle, a third return spring 1612 provided between the guide switch body 1611 and the handle 16, and a switch guide key 1613 mounted on the handle 16 for controlling the switch of the guide switch body 1611;

the switch guide 1613 includes: a switch button 16131, and a limit slide bar 116132;

the guide switch body 1611 includes: a guide switch housing 16111, a third latch 16112 disposed within the guide switch housing 16111, and a fourth return spring 16113 interposed between the guide switch housing 16111 and the third latch 16112;

during the unlocking process of the guide switch 161, the switch button 16131 can press the third latch 16112 into the guide switch housing 16111, the fourth return spring 16113 is in a compressed state, the guide switch 161 can be unlocked relative to the handle 16, and the third return spring 1612 is in a compressed state;

during the locking process of the guide switch 161, the fourth return spring 16113 returns, the fourth return spring 16113 can be connected with the third latch 16112 in a clamping manner into the handle 16, the guide switch 161 can be locked relative to the handle 16, and the third return spring 1612 is in a return state;

during locking and unlocking, the guide switch housing 16111 is provided with a limit guide slot 16114, and the limit guide slide rod 16132 can slide in the limit guide slot 16114 and limit the downward movement range of the guide switch housing 16111.

As shown in fig. 16, 17 and 18, in order to assemble, lock and unlock the rear wheels, the rear wheel 52 includes: a rear wheel body 521, a rear wheel mount 522 that mounts the rear wheel body 521 to the rear leg bar 51, and a third lock assembly 523 that locks and unlocks the rear wheel body 521 with respect to the rear wheel mount 522;

the rear wheel mounting member 522 is fixed to the rear leg bar 51, the rear wheel body 521 is provided with a rotation shaft 5211, and the rotation shaft 5211 sequentially extends into the rear wheel mounting member 522 and the rear leg bar 51 to rotatably mount the rear wheel 52 to the rear leg bar 51;

the third locking assembly 523 includes: a lock pedal 5231 rotatably mounted to the rear wheel mount 522, and an engagement return member 5232 capable of locking and unlocking the rear wheel body 521, wherein after the engagement return member 5232 is mounted in the rear wheel mount 522, one end of the engagement return member 5232 abuts against the lock pedal 5231, and the other end of the engagement return member 5232 abuts against the rear wheel body 521;

in the process of locking the rear wheel 52, the lock pedal 5231 is provided with an abutting groove 52311, the rear wheel body 521 is provided with a positioning groove 5212, and the abutting groove 52311 can abut the engagement resetting piece 5232 into the positioning groove 5212 to lock the rear wheel body 521;

in the process of unlocking the rear wheel 52, the lock pedal 5231 is provided with a second yielding groove 52312, and the second yielding groove 52312 provides a resetting space for the clamping resetting piece 5232, so that the clamping resetting piece 5232 is separated from the positioning groove 5212, and the rear wheel body 521 is unlocked.

In order to realize the quick disassembly of the rear wheel 52, a reset quick disassembly plate 5221 is further arranged on the rear wheel mounting member 522, and the rotating shaft 5211 is provided with a limit groove 52111; the reset quick release plate 5221 is separated from the limit groove 52111, and the rear wheel body 521 is detachable; the reset quick release plate 5221 is in reset connection with the limit groove 52111, and the rear wheel body 521 is not detachable.

The utility model is described in detail above with reference to the accompanying drawings, but the utility model is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the utility model, and yet fall within the scope of the utility model.

Claims (10)

1. A gangable folding stroller, comprising: the seat bracket assembly is positioned above the front leg assembly;

wherein the seat bracket assembly comprises: the seat bracket comprises a seat bracket rod and a seat support rod, wherein the seat bracket rod is hinged with a sliding sleeve assembly pivot, the seat support rod is respectively hinged with the seat bracket rod and a hand push rod assembly pivot, and a yielding space is arranged in the middle of the seat bracket assembly;

the front leg assembly includes: the front leg assembly is hinged with the sliding sleeve assembly through a pivot, a front wheel arranged on the front leg assembly, and a front leg supporting rod respectively hinged with the front leg assembly and the trolley assembly through a pivot, and corresponds to the position of the abdication space;

the rear leg assembly includes: the rear leg support rod is hinged with the bottom pivot of the hand push rod assembly, rear wheels mounted on the rear leg support rod and rear leg support rods respectively hinged with the sliding sleeve assembly and the rear leg support rod;

the sliding sleeve assembly drives the seat bracket rod to slide upwards, the front leg rod and the rear leg support rod are attached to the upper portion of the hand push rod assembly, and then the seat support rod, the front leg support rod and the rear leg rod are attached to the lower portion of the hand push rod assembly, so that the front leg assembly is contained in the abdication space, staggered with the seat bracket assembly, and staggered with the front wheels and the rear wheels.

2. A gangable folding stroller according to claim 1, wherein the sliding sleeve assembly comprises: the sliding sleeve body is sleeved on the hand push rod assembly, and the first locking assembly is arranged on the sliding sleeve body;

the first locking assembly includes: the sliding sleeve comprises a cover cap, a first bolt and a first reset spring, wherein the cover cap is arranged on the sliding sleeve body, the first bolt is arranged between the cover cap and the sliding sleeve body and can penetrate through the sliding sleeve body, and the first reset spring is arranged between the first bolt and the cover cap;

the sliding sleeve body is provided with a first clamping hole, the hand push rod assembly is provided with a second clamping hole, the first bolt penetrates through the first clamping hole and then stretches into the second clamping hole, and the sliding sleeve body is locked relative to the hand push rod assembly;

after the first bolt retracts into the cap along the direction of the first reset spring, the sliding sleeve body is unlocked relative to the hand push rod assembly;

the two sides of the first bolt are provided with limit lugs which are abutted to the openings of the first clamping holes, and the limit lugs are used for preventing the first bolt from falling out of the first clamping holes;

the seat bracket rod, the front leg rod and the rear leg support rod are hinged with the sliding sleeve body through pivots.

3. A gangable folding stroller according to claim 2, wherein the push bar assembly comprises: the inner sleeve rod and the outer sleeve rod are sleeved on the outer side of the inner sleeve rod and used for sliding the inner sleeve rod;

the bottom of the outer sleeve rod is provided with a fixed seat, and the seat supporting rod, the front leg supporting rod and the rear leg rod are respectively hinged with the fixed seat through pivots;

the second clamping hole is formed in the outer sleeve rod, the bottom of the inner sleeve rod can be abutted against the first bolt to enable the first bolt to be abutted against and retracted into the cover cap, and accordingly the sliding sleeve body is unlocked relative to the hand pushing rod assembly.

4. A gangable folding stroller according to claim 3, wherein the push bar assembly further comprises: the limiting sleeve is arranged at the opening at the top of the outer sleeve rod and is clamped between the outer sleeve rod and the inner sleeve rod;

the limiting sleeve is provided with a limiting clamping hook, the outer sleeve rod is arranged in a limiting hole, and the limiting clamping hook is clamped with the limiting hole;

the limiting rings are sleeved outside the inner sleeve rod and can be abutted against the limiting sleeves, so that the inner sleeve rod is prevented from being separated from the outer sleeve rod.

5. The foldable stroller of claim 4, wherein the stop sleeve is provided with a locking projection, the sliding sleeve body is provided with an elastic locking piece, the elastic locking piece is provided with a third locking hole, and the locking projection can be locked in the third locking hole.

6. A gangable folding stroller according to claim 3, wherein the push bar assembly further comprises: the second locking component is arranged at the opening at the bottom of the inner sleeve rod;

the second locking assembly includes: the locking piece comprises a locking piece shell, a second bolt arranged in the locking piece shell, a second reset spring arranged between the locking piece shell and the second bolt, and a sliding guide rod passing through the locking piece shell and the second bolt;

a guide sliding groove is formed along the length direction of the second bolt, and the guide sliding rod penetrates through the guide sliding groove, so that the second bolt can slide along the direction of the guide sliding groove;

the inner sleeve rod is provided with a first positioning hole, the outer sleeve rod is provided with a second positioning hole, and the inner sleeve rod is locked relative to the outer sleeve rod after the second bolt sequentially passes through the first positioning hole and the second positioning hole;

and after the second bolt is sequentially retracted into the locking piece shell from the second positioning hole and the first positioning hole along the direction of the second return spring, the inner sleeve rod is unlocked relative to the outer sleeve rod.

7. A gangable folding stroller according to claim 6, wherein the push bar assembly further comprises: a handle arranged at the free end of the inner sleeve rod;

the hand is equipped with the direction switch that can promote from top to bottom on the hand the bottom of direction switch is equipped with the cable, the second locking component still includes: the guide block is arranged in the locking piece shell and used for guiding the second bolt to move in a telescopic mode, and the guide block is connected with the guide switch through the inhaul cable;

the guide block is provided with a first guide inclined plane, the second bolt is provided with a second guide inclined plane, and the first guide inclined plane can slide along the second guide inclined plane;

the guide switch drives the guide block to move upwards through the inhaul cable, the first guide inclined plane drives the second guide inclined plane to slide downwards, so that the second bolt retracts into the locking piece shell, and the second reset spring is compressed;

the guide switch drives the guide block to move downwards through the inhaul cable, the first guide inclined plane drives the second guide inclined plane to slide upwards, so that the second bolt extends out of the locking piece shell, and the second reset spring resets.

8. A gangable folding stroller as defined in claim 7, wherein the steering switch comprises: the guide switch body is arranged in the handle, the third reset spring is arranged between the guide switch body and the handle, and the switch guide key is arranged on the handle and used for controlling the switch of the guide switch body;

the switch guide key includes: a switch button and a limit guide slide bar;

the guide switch body includes: the guide switch comprises a guide switch shell, a third bolt arranged in the guide switch shell and a fourth reset spring clamped between the guide switch shell and the third bolt;

the switch button can be used for enabling the third bolt to be abutted into the guide switch shell, the fourth reset spring is in a compressed state, the guide switch can be unlocked relative to the handle, and the third reset spring is in a compressed state;

the fourth reset spring can enable the third bolt to be connected into the handle in a clamping mode, the guide switch can be locked relative to the handle, and the third reset spring is in a reset state;

the guide switch shell is provided with a limit guide groove, and the limit guide slide rod can slide in the limit guide groove and limit the downward movement range of the guide switch shell.

9. A gangable folding buggy as set forth in claim 1, wherein the rear wheel comprises: a rear wheel body, a rear wheel mounting member that mounts the rear wheel body to the rear leg bar, and a third locking assembly that locks and unlocks the rear wheel body with respect to the rear wheel mounting member;

the rear wheel mounting piece is fixed on the rear leg rod, the rear wheel body is provided with a rotating shaft, and the rotating shaft sequentially stretches into the rear wheel mounting piece and the rear leg rod to rotatably mount the rear wheel on the rear leg rod;

the third locking assembly includes: the vehicle locking pedal is rotatably arranged on the rear wheel mounting part, and the clamping reset part can lock and unlock the rear wheel body, after the clamping reset part is arranged in the rear wheel mounting part, one end of the clamping reset part is abutted against the vehicle locking pedal, and the other end of the clamping reset part is abutted against the rear wheel body;

the vehicle locking pedal is provided with an abutting groove, the rear wheel body is provided with a positioning groove, and the abutting groove can enable the clamping resetting piece to abut into the positioning groove to lock the rear wheel body;

the car locking pedal is provided with a second abdicating groove, the second abdicating groove provides a resetting space for the clamping resetting piece, so that the clamping resetting piece is separated from the positioning groove, and the car rear wheel body is unlocked.

10. A foldable stroller according to claim 9, wherein a reset quick release plate is further provided on the rear wheel mounting member, and the rotational shaft is provided with a limit groove;

the reset quick-release plate is separated from the limit groove, and the rear wheel body is detachable;

the reset quick-release plate is in reset joint with the limiting groove, and the rear wheel body is not detachable.