CN209176769U - A kind of folding pushchair - Google Patents

Abstract

The utility model discloses a kind of folding pushchairs, its driver's tube assembly and rear foot tube group are respectively classified into two parts up and down, by trolley folding joint, upper end is hingedly connected to the support tube of trolley folding joint and lower driver tube and directly or indirectly forms four-bar mechanism with the first hinged rear foot tube of the lower end of support tube and the lower end of lower driver tube, and by front foot pipe connecting rod item and the second rear foot tube interlock the upper and lower ends of item respectively with front foot pipe and support tube be hinged and support tube and the second rear foot tube it is hinged, when folding, after being released by trolley folding joint tripper to the locking of trolley folding joint, the driver tube direction that driver tube draws close folding down is swung in promotion, the state of four-bar mechanism is set to occur to interlock variation, and swing driver tube and support tube to the first rear foot tube direction, item is interlocked by front foot pipe by support tube simultaneously and the second rear foot tube interlocks Item pulls front foot pipe and the second rear foot tube to swing to the first rear foot tube direction, until folding completely, can further decrease the volume of folded bicycle.

Description

A kind of folding pushchair

Technical field

The utility model relates to baby child's trolley technical field, especially a kind of folding pushchairs.

Background technique

Baby child is a kind of for the mobile tool of carrying designed by baby child with trolley, and facilitating adult to carry, baby child is outer to go on a tour Play or do shopping etc., while light small article can be also suitably held, it is deep to be liked by numerous parents.

In order to reduce the occupied space of trolley when not using or carrying, it is virgin that collapsible baby occurs in the prior art Trolley is folded with the gathering for realizing vehicle frame corresponding component by the unlock to vehicle frame corresponding joint, see, for example, patent public affairs The number of opening is folding pushchair disclosed in the application for a patent for invention of " 108502005 A of CN " or " 107128350 A of CN ".But The existing folded volume of such folding pushchair is still not small enough, and operates and not enough facilitate.

Utility model content

The main purpose of the utility model is to propose that a kind of volume after folding is smaller and more convenient operation folding pushchair.

To achieve the above object, the utility model proposes a kind of folding pushchairs, comprising:

Pairs of front foot pipe, inclination extends each front foot pipe upwards from front to back, and the upper end of front foot pipe is hinged with free bearing, preceding The lower end of foot tube is equipped with front-wheel；

Pairs of rear foot tube assembly, each rear foot tube assembly include after upper end is connected in the middle part of corresponding free bearing first Foot tube and upper end are articulated with the second rear foot tube of corresponding first rear foot tube lower end, and the lower end of the second rear foot tube is connected with rear-wheel；

Pairs of driver's tube assembly, each driver's tube assembly include the lower driver tube, hinged that lower end is articulated with free bearing In the upper driver tube that the trolley folding joint of lower driver tube upper end and lower end are connect with trolley folding joint, trolley folding joint, which is provided with, to be used for The trolley folding joint lock uint that itself is locked to prevent it from rotating；

Pairs of support tube, each support tube lower end and the first rear foot tube are hinged, and upper end is hinged with trolley folding joint, makes first It is linked to be four-bar mechanism between rear foot tube, support tube, trolley folding joint and lower driver tube；

Front foot pipe interlocks item, and lower end and corresponding front foot pipe are hinged, and upper end is hinged with support tube, and support tube is to first rear foot When pipe draws close swing, item can be interlocked by front foot pipe and front foot pipe is pulled to draw close swing to the first rear foot tube；

Second rear foot tube interlocks item, and upper end is hinged with support tube, and lower end and the second rear foot tube are hinged, and support tube is to after first When foot tube draws close swing, item can be interlocked by the second rear foot tube and front foot pipe is pulled to draw close swing to the first rear foot tube；And

Trolley folding joint tripper is loaded on upper driver tube, for releasing trolley folding joint lock uint to trolley folding joint Locking, in order to carry out folding operation.

Driver's tube assembly and rear foot tube group are respectively classified into two parts up and down by technical solutions of the utility model, are closed by returning the vehicle to the garage and knock off Section, upper end be hingedly connected to trolley folding joint support tube and lower driver tube and directly or indirectly with the lower end of support tube and get off The first hinged rear foot tube of the lower end of hand pipe forms four-bar mechanism, and front foot pipe connecting rod item and the second rear foot tube are interlocked item Upper and lower ends respectively with front foot pipe and support tube be hinged and support tube and the second rear foot tube it is hinged, trolley is in expansion shape When state, locking due to trolley folding joint lock uint to trolley folding joint makes vehicle keep unfolded state, prevents the utility model hand push Chefei normally folds, and when needing to fold trolley, then it is sealed trolley folding joint to be released by trolley folding joint tripper After device is to the locking of trolley folding joint, the driver tube direction that driver tube draws close folding down is swung in promotion, makes four-bar mechanism State occur to interlock variation, and swing driver tube and support tube to the first rear foot tube direction, meanwhile, passed through by support tube Front foot pipe interlocks item and the second rear foot tube interlocks item and front foot pipe and the second rear foot tube is pulled to swing to the first rear foot tube direction, until Trolley folds completely, that is, realizes the gearing folding operation of trolley, and each rear foot tube assembly and driver's tube assembly are rolled over Two parts are built up, the folded volume of folded bicycle can be further decreased.

Detailed description of the invention

Fig. 1 is the stereoscopic schematic diagram that the utility model folding pushchair is in fully unfolded position；

Fig. 2 is the schematic diagram after the utility model folding pushchair decomposed；

Fig. 3 is the enlarged detail view of the part A of Fig. 2；

Fig. 4 is the enlarged detail view of the part B of Fig. 2；

Fig. 5 is the schematic diagram that the utility model folding pushchair is in fully unfolded position；

Fig. 6 is the folded schematic diagram of the utility model folding pushchair hand handle；

Fig. 7 is that the utility model folding pushchair four-bar mechanism starts folded schematic diagram；

Fig. 8 is schematic diagram when the utility model folding pushchair is completed close to folding；

Fig. 9 is the completely folded schematic diagram of the utility model folding pushchair.

Specific embodiment

Below in conjunction with attached drawing, the technical scheme in the utility model embodiment is clearly and completely described, shows So, described embodiment is only a part of the embodiment of the utility model, instead of all the embodiments.It is practical based on this Embodiment in novel, every other reality obtained by those of ordinary skill in the art without making creative efforts Example is applied, is fallen within the protection scope of the utility model.

It is to be appreciated that if related in the utility model embodiment directionality instruction (such as up, down, left, right, before and after, Top, bottom, inside and outside, vertical, transverse direction, longitudinal direction, counterclockwise, clockwise, circumferentially, radially, axially ...), then directionality indicates only For explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, if When the particular pose changes, then directionality instruction also correspondingly changes correspondingly.

In addition, if relating to the description of " first " or " second " etc. in the utility model embodiment, should " first " or The description of person " second " etc. is used for description purposes only, and is not understood to indicate or imply its relative importance or is implicitly indicated The quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can explicitly or implicitly include to Few this feature.It in addition, the technical solution between each embodiment can be combined with each other, but must be common with this field Based on technical staff can be realized, this skill will be understood that when the combination of technical solution appearance is conflicting or cannot achieve The combination of art scheme is not present, also not within the protection scope of the requires of the utility model.

The utility model proposes a kind of folding pushchairs.

In the utility model embodiment, the folding pushchair include pairs of front foot pipe 1, pairs of rear foot tube assembly 2, Pairs of driver's tube assembly 4, pairs of support tube 5, front foot pipe gearing item 51, the second rear foot tube gearing item 52 and trolley folding joint solution Locking device.

Inclination extends each front foot pipe 1 upwards from front to back, and the upper end of front foot pipe 1 is hinged with free bearing 3, under front foot pipe 1 Hold (alternatively referred to as front end) that front-wheel 100 is housed.Specifically, the lower end of two front foot pipes 1 is connected to form U-shaped preceding branch pipe 11, to mention The structural strength of high front foot pipe 1, the front-wheel 100 are loaded on the preceding branch pipe 11.Each rear foot tube assembly 2 is connected to including upper end First rear foot tube 21 at corresponding 3 middle part of free bearing and upper end are articulated with the second rear foot tube 22 of corresponding first rear foot tube, 21 lower end, the The lower end of two rear foot tubes 22 is connected with rear-wheel 200.Specifically, it is connected with cross bar 221 between two the second rear foot tubes 22, to improve Structural strength between rear foot tube.Each driver's tube assembly 4 includes the lower driver tube 42, hinged that lower end is articulated with free bearing 3 In the upper driver tube 41 that the trolley folding joint 6 of lower 42 upper end of driver tube and lower end are connect with trolley folding joint 6, trolley folding joint 6 is arranged There is the trolley folding joint lock uint for locking itself to prevent it from rotating.Each 5 lower end of support tube and the first rear foot tube 21 Hingedly, upper end and trolley folding joint 6 are hinged, make to connect between the first rear foot tube 21, support tube 5, trolley folding joint 6 and lower driver tube 42 At four-bar mechanism；Front foot pipe interlocks 51 lower end of item and corresponding front foot pipe 1 is hinged, and upper end and support tube 5 are hinged, support tube 5 When drawing close swing to the first rear foot tube 21, item 51 can be interlocked by front foot pipe and front foot pipe 1 is pulled to draw close pendulum to the first rear foot tube 21 It is dynamic；Second rear foot tube interlocks item 52, and upper end and support tube 5 are hinged, and lower end and the second rear foot tube 22 are hinged, support tube 5 to first When rear foot tube 21 draws close swing, item 52 can be interlocked by the second rear foot tube and front foot pipe 1 is pulled to draw close pendulum to the first rear foot tube 21 It is dynamic；Trolley folding joint tripper is loaded on upper driver tube 41, for releasing trolley folding joint lock uint to the lock of trolley folding joint 6 It is fixed, in order to carry out folding operation.When trolley is in unfolded state, since trolley folding joint lock uint is to trolley folding joint 6 Locking can make trolley keep unfolded state, prevent the improper folding of the utility model trolley, and need to carry out trolley When folding, then after releasing trolley folding joint lock uint to the locking of trolley folding joint 6 by trolley folding joint tripper, in promotion The direction that driver tube 42 draws close folding down of driver tube 41 is swung, so that the state of four-bar mechanism occurs to interlock variation, and is made Upper driver tube 41 and support tube 5 are swung to 21 direction of the first rear foot tube, meanwhile, front foot pipe gearing article 51 and the are passed through by support tube Two rear foot tubes interlock item 52 and front foot pipe 1 and the second rear foot tube 22 are pulled to swing to 21 direction of the first rear foot tube, until trolley is complete It is complete to fold, that is, realize the gearing folding operation of trolley, and each rear foot tube assembly 2 and driver's tube assembly 4 are folded into two Part can further decrease the folded volume of folded bicycle.

In the utility model embodiment, there are many embodiment party for trolley folding joint lock uint and trolley folding joint tripper Formula, such as the prior art can be used, it can also be by the way of as shown in Figures 1 to 4.Specifically, the top of support tube 5 is equipped with Tenon portion 50, the lower part of trolley folding joint 6 are equipped with the slot 61 being inserted into for tenon portion 50, and tenon portion 50 is inserted into slot 61 and is articulated with pass of returning the vehicle to the garage and knock off Section 6, trolley folding joint lock uint include that the locking bar 62 being slidably loaded on inside lower driver tube 42 and first back-moving spring (are not schemed Show), the tenon portion 50, which is inserted at the top of the part of slot 61, offers lock slots 501, and the locking bar 62 can be resetted first Under the action of spring, downwards toward the direction sliding for being caught in lock slots 501, the trolley folding joint tripper includes the first drag-line 63 And can be rotated or be slidably loaded on the actuator 64 of upper driver tube 41, the first drag-line 63 is generally made of steel cable, and first draws The upper end of rope 63 is connect with actuator 64, and lower end is connect with locking bar 62, pushes or when rotating drive part 64, actuator 64 can Locking bar 62 is pulled to by the first drag-line 63 and is detached from lock slots 501, is closed to release trolley folding joint lock uint to returning the vehicle to the garage and knock off The locking of section 6, to carry out the folding operation of trolley.

Further, as shown in Figures 1 to 4, the utility model folding pushchair further includes U-shaped hand handle 7, the hand handle 7 The lower end of two sides is connect by hand handle joint group 8 with upper driver tube 41, and hand handle joint group 8 includes the upper end loaded on upper driver tube 41 Intrinsic articulation 82, the extrinsic articulation 81 loaded on 7 lower end of hand handle, the lower part of 82 top of intrinsic articulation and extrinsic articulation 81 is overlapped and passes through hinged shaft (not shown) hingedly, the opposite flank of 81 lap of intrinsic articulation 82 and extrinsic articulation offers the first card slot 821 and second respectively Card slot (not shown), the first card slot 821 and the second card slot surround accommodation space, and hinged shaft wears accommodation space from middle part, accommodate Space is provided with hand handle joint lock uint, extrinsic articulation 81 is locked in intrinsic articulation 82, prevents outer pass when hand handle 7 is unfolded The opposite intrinsic articulation 82 of section 81 is swung, and separately has hand handle joint tripper, for when hand handle needs to fold, releasing hand handle joint lock The locking set to extrinsic articulation 81 is attached together, makes hand handle 7 that can draw close swing with respect to intrinsic articulation 82.

It is to be appreciated that as shown in Figures 1 to 4, there are many implement for hand handle joint lock uint and hand handle joint tripper Mode, such as the prior art can be used, it is of course also possible to use such as scheming mode as shown in Figures 1 to 4.Specifically, described Hand handle joint lock uint includes movable set in hinged shaft and can partially be caught in the second card slot along the first card slot 821 and exit the The gear-like fixture block 83 moved between the position of two draw-in groove, the first card slot 821 and the second card slot are adapted with fixture block 83, fixture block 83 Part is when being caught in the second card slot, and extrinsic articulation 81 can be locked in intrinsic articulation 82, and 64 activity of actuator is placed on hinged shaft and is located at the Position between the inner end wall and fixture block 83 of one card slot 821, its end face is extended at least in the side of actuator 64 towards fixture block 83 Part is the cam 641 on inclined-plane, and fixture block 83 has the pressuring piece (not shown) for extending to and offseting with the inclined-plane of cam 641, pressuring piece During the movement of the inner end wall direction of the first card slot 821, the inclined-plane that pressuring piece squeezes cam 641 simultaneously pushes 64 turns of actuator It moves to pull locking bar 62；Hand handle joint tripper includes the sliding block 84 in the second card slot, the solution loaded on hand handle 7 The second drag-line 86 that lock key 85 and both ends are connect with sliding block 84 and release tab 85, the middle part of sliding block 84 offers long slot hole 842, sliding block 84 is slidably sheathed on hinged shaft by long slot hole 842, and can move along hinged shaft is radial and axial, 84 court of sliding block It is equipped with inclined surface 841 to the two sides on the surface of the second card slot inner end wall, the second card slot inner wall, which extends, to offset with inclined surface 841 Guiding piece (not shown), being unlocked by pressing key 85 and by the second drag-line 86 pull sliding block 84 when, the inclined surface 841 of sliding block 84 exists Drive sliding block 84 that fixture block 83 is pushed to move toward 821 inner end wall direction of the first card slot under the reaction force of guiding piece, until fixture block 83 The second card slot is detached to release locking of the fixture block 83 to extrinsic articulation 81, and the mistake that fixture block 83 is mobile toward the first card slot inner end wall direction Cheng Zhong can force actuator 64 to swing the extruding in 641 face of cam and go deep into actuator 64 by pressuring piece, and actuator 64 then exists During rotation, pull locking bar 62 that the elastic force of the first multiple spring is overcome to be detached from the lock slots of tenon portion 50 by the first drag-line 63 501, so that trolley folding joint lock uint releases the locking to trolley folding joint 6, to realize that key unlock (passes through being unlocked by pressing Key 85 releases hand handle joint lock uint simultaneously and trolley folding joint lock uint is released respectively to extrinsic articulation 81 and trolley folding joint 6 Locking) and can the singlehanded folding operation for carrying out trolley, and then simplify the folding process of trolley.And simultaneously by trolley expansion After removing the pressing force to unblock button 85, first back-moving spring drives 62 reset movement of locking bar to being caught in lock slots 501, with Trolley folding joint 6 is locked, meanwhile, locking bar 62 drives the reset rotation of actuator 64 to push away and pushes away fixture block 83 by the first drag-line 63 To the second card slot is partially caught in, extrinsic articulation 81 is locked and pushes 84 reset movement of sliding block.

Further, be also slidably mounted can be in the position that release tab 85 is locked and unlocked for the hand handle 7 Between move two lock 87, need to trolley carry out folding operation before, Xian Jiang bis- lock 87 dial to releasing to unlock by The position that key 85 locks, then being unlocked by pressing key 85 carries out a key unlock and carries out folding operation again.It should be noted that two Road lock 87 and release tab 85 be the prior art, here no longer to two lock 87 and release tab 85 specific structure and Mounting means is repeated.

Further, can also be arranged between the actuator 64 and fixture block 83 both ends respectively with actuator 64 and fixture block 83 second back-moving springs (not shown) to offset, to assist fixture block 83 to the position for being caught in the second card slot after trolley is unfolded Set movement.

Further, it is connected with reinforcing rod 88 between two opposite intrinsic articulations 82, to improve structural strength.

It further include the U-shaped carrying pipe 300 for being used to support bearing seat, two lower driver tubes in the utility model embodiment 42 opposite position pivotable connections are articulated with support tube after having sliding sleeve 9, the end of the carrying pipe 300 to pass through corresponding sliding sleeve 9 5, during support tube 5 draws close swing to the first rear foot tube 21, while the carrying pipe 300 is slided along sliding sleeve 9, to support Pipe 5 draws close swing, to realize the folding of carrying pipe 300.

In the utility model embodiment, the utility model folding pushchair further includes U-shaped arm-rest frame 400, described to help The both ends of hand cradle 400 are articulated with corresponding support tube 5, and the position of the corresponding arm-rest frame 400 of lower driver tube 42 is equipped with support group Part 10, when the utility model trolley is in unfolded state, arm-rest frame 400 is supported by support support components support 10, and when support During pipe 5 draws close swing to the first rear foot tube 21, the arm-rest frame 400 is swung to 21 direction of the first rear foot tube.It should say It is bright, arm-rest frame 400 be the prior art and be it is known to those skilled in the art, here no longer to its specific structure And working principle is repeated.

The U-shaped umbrella stand that can descend 42 folding of driver tube relatively is also hinged in the utility model embodiment, on trolley folding joint 6 500, umbrella stand 500 can be used for installing sky shade (not shown), when in use, to block bearing seat by sky shade, prevent sitting and lying It is tanned severely in the baby in bearing seat by burning sun.It it should be noted that umbrella stand 500 is the prior art, and is those skilled in the art It is known, its specific structure and articulated manner are not repeated here.

The above is only the preferred embodiment of the present invention, and therefore it does not limit the scope of the patent of the utility model, Under all utility models in the utility model are conceived, equivalent structure made based on the specification and figures of the utility model Transformation, or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.

Claims (10)

1. a kind of folding pushchair characterized by comprising

Pairs of front foot pipe, inclination extends each front foot pipe upwards from front to back, and the upper end of front foot pipe is hinged with free bearing, front foot pipe Lower end be equipped with front-wheel；

Pairs of rear foot tube assembly, each rear foot tube assembly include the first rear foot tube that upper end is connected in the middle part of corresponding free bearing The second rear foot tube of corresponding first rear foot tube lower end is articulated with upper end, the lower end of the second rear foot tube is connected with rear-wheel；

Pairs of driver's tube assembly, each driver's tube assembly include that lower end is articulated with the lower driver tube of free bearing, is articulated with down The upper driver tube that the trolley folding joint of driver tube upper end and lower end are connect with trolley folding joint, trolley folding joint are provided with for locking Itself with prevent its rotate trolley folding joint lock uint；

Pairs of support tube, each support tube lower end and the first rear foot tube are hinged, and upper end is hinged with trolley folding joint, make first rear foot It is linked to be four-bar mechanism between pipe, support tube, trolley folding joint and lower driver tube；

Front foot pipe interlocks item, and lower end and corresponding front foot pipe are hinged, and upper end is hinged with support tube, and support tube is leaned on to the first rear foot tube When holding together to swing, item can be interlocked by front foot pipe and front foot pipe is pulled to draw close swing to the first rear foot tube；

Second rear foot tube interlocks item, and upper end is hinged with support tube, and lower end and the second rear foot tube are hinged, and support tube is to the first rear foot tube When drawing close swing, item can be interlocked by the second rear foot tube and front foot pipe is pulled to draw close swing to the first rear foot tube；And

Trolley folding joint tripper is loaded on upper driver tube, for releasing locking of the trolley folding joint lock uint to trolley folding joint, In order to carry out folding operation.

2. folding pushchair as described in claim 1, it is characterised in that: the lower end of two front foot pipes is connected to form U-shaped preceding branch Pipe, front-wheel are loaded on preceding branch pipe.

3. folding pushchair as described in claim 1, it is characterised in that: the top of support tube is equipped with tenon portion, trolley folding joint Lower part is equipped with the slot being inserted into for tenon portion, and tenon portion insertion slot is simultaneously articulated with trolley folding joint, and trolley folding joint lock uint includes can Loaded on the locking bar and first back-moving spring inside lower driver tube, tenon portion is inserted at the top of the part of slot and offers locking for sliding Slot, the locking bar can be under the action of first back-moving springs, downwards toward the direction sliding for being caught in lock slots, the trolley folding joint Tripper include the first drag-line and can be rotated or slidably be loaded on upper driver tube actuator, the upper end of the first drag-line with Actuator connection, lower end connect with locking bar, and when promotion or rotating drive part, actuator is drawn locking bar by the first drag-line It moves to disengaging lock slots.

4. folding pushchair as claimed in claim 3, it is characterised in that: further include U-shaped hand handle, under the hand handle two sides End is connect by hand handle joint group with upper driver tube, and hand handle joint group includes the intrinsic articulation of the upper end loaded on upper driver tube, is loaded on The lower part of the extrinsic articulation of hand handle lower end, intrinsic articulation top and extrinsic articulation is overlapped and pass through hinged shaft hinged, intrinsic articulation and extrinsic articulation weight The opposite flank of folded part offers the first card slot and the second card slot respectively, and the first card slot and the second card slot surround accommodation space, And hinged shaft wears accommodation space from middle part, accommodation space is provided with hand handle joint lock uint, with when hand handle is unfolded, by outer pass Section is locked in intrinsic articulation, prevents extrinsic articulation from swinging with respect to intrinsic articulation, separately has hand handle joint tripper, for needing to roll in hand handle When folded, locking of the hand handle joint lock uint to extrinsic articulation is released.

5. folding pushchair as claimed in claim 4, it is characterised in that: hand handle joint lock uint includes movable set in hinge Axis and can along the gear-like fixture block that the first card slot moves between the position for being partially caught in the second card slot and exiting the second card slot, One card slot and the second card slot are adapted with fixture block, and when fixture block part is caught in the second card slot, extrinsic articulation can be locked in intrinsic articulation, institute It states actuator activity and is placed on the position that hinged shaft is located between the inner end wall and fixture block of the first card slot, actuator is towards the side of fixture block Extend the cam on its end face at least partially inclined-plane, fixture block has the pressuring piece for extending to and offseting with the inclined-plane of cam, pressuring piece During the movement of the inner end wall direction of the first card slot, the inclined-plane that pressuring piece squeezes cam simultaneously pushes actuator to rotate to pull Locking bar；Hand handle joint tripper include sliding block, the release tab loaded on hand handle and both ends in the second card slot with The second drag-line that sliding block is connected with release tab offers long slot hole in the middle part of sliding block, with by long slot hole by sliding block slidably It is sheathed on hinged shaft, and can move along hinged shaft is radial and axial, the two sides on sliding block towards the surface of the second card slot inner end wall, which are equipped with, inclines Inclined-plane, the second card slot inner wall extend the guiding piece to offset with inclined surface, and being unlocked by pressing key simultaneously pulls cunning by the second drag-line When block, the inclined surface of sliding block drives slipper push fixture block to transport toward the first card slot inner end wall direction under the reaction force of guiding piece Dynamic, until fixture block is detached from the second card slot to release locking of the fixture block to extrinsic articulation, and fixture block is moved toward the first card slot inner end wall direction In dynamic process, actuator can be forced to swing the extruding of cam surface by pressuring piece and go deep into actuator, actuator is then turning In dynamic process, the lock slots of tenon portion are detached from by the elastic force that the first drag-line pulls locking bar to overcome the first multiple spring, so as to receive Vehicle joint lock uint releases the locking to trolley folding joint.

6. folding pushchair as claimed in claim 5, it is characterised in that: the hand handle, which be also slidably mounted, will unlock Two locks moved between press key locking and the position to unlock.

7. folding pushchair as claimed in claim 5, it is characterised in that: also set up between actuator and fixture block both ends respectively with The second back-moving spring that actuator and fixture block elasticity offset.

8. folding pushchair as described in claim 1, it is characterised in that: it further include the U-shaped carrying pipe for being used to support bearing seat, The opposite position pivotable connection of two lower driver tubes is articulated with branch after having sliding sleeve, the end of the carrying pipe to pass through corresponding sliding sleeve Stay tube.

9. folding pushchair as described in claim 1, it is characterised in that: it further include U-shaped arm-rest frame, the two of the arm-rest frame End is articulated with corresponding support tube, and the lower driver tube corresponds to the position of arm-rest frame equipped with support components support, when this trolley is in When unfolded state, arm-rest frame is supported by support support components support.

10. folding pushchair as described in claim 1, it is characterised in that: driver can be descended relatively by being also hinged on trolley folding joint The U-shaped umbrella stand of pipe folding.