阅读说明：本技术 操作简单且可紧凑收折的儿童推车 (It is easy to operate and can compact folding children trolley ) 是由 布鲁斯·威廉 格葛瑞·薛乐斯 于 2019-05-21 设计创作，主要内容包括：本发明公开了一种儿童推车,其包含有前脚、后脚、把手、锁定件以及连动件,所述后脚转动连接所述前脚,所述把手转动连接所述前脚,所述锁定件活动设置在所述把手上,所述锁定件用于与所述前脚互相卡合以限制所述把手相对于所述前脚转动且另用于与所述前脚脱离卡合以允许所述把手相对于所述前脚转动,所述连动件转动连接所述把手与所述后脚,当所述把手相对于所述前脚转动时,所述把手通过所述连动件带动所述后脚相对于所述前脚转动,故本发明的儿童推车具有操作简单且可紧凑收折的优点。(The invention discloses a kind of children trolleys, it includes have front foot, the rear foot, handle, locking piece and moving part, the rear foot is rotatablely connected the front foot, the handle is rotatablely connected the front foot, the locking piece is movably arranged on the handle, the locking piece limits the handle for mutually fastening with the front foot and rotates relative to the front foot and separately for engaging with front foot disengaging to allow the handle to rotate relative to the front foot, the moving part is rotatablely connected the handle and the rear foot, when the handle is rotated relative to the front foot, the handle drives the rear foot to rotate relative to the front foot by the moving part, therefore children trolley of the invention have the advantages that it is easy to operate and can compact folding.)

1. it is a kind of easy to operate and can compact folding children trolley, which is characterized in that the children trolley includes:

Front foot；

The rear foot is rotatablely connected the front foot；

Handle is rotatablely connected the one of them of the front foot Yu the rear foot；And

Locking piece is movably arranged on the handle, the locking piece be used for described in the front foot and the rear foot its Middle one mutually fastens to limit the handle relative to the rotation of the one of them of the front foot and the rear foot and another use Engage in the front foot with the disengaging of the one of them of the rear foot to allow the handle relative to the front foot and institute The one of them rotation for stating the rear foot, when the locking piece and the front foot and the one of them of the rear foot block mutually When conjunction, the handle and the front foot and the one of them of the rear foot engage its of the front foot and the rear foot jointly Middle another one is to limit described in the front foot and the rear foot wherein institute of the another one relative to the front foot and the rear foot State one of them rotation.

2. children trolley as described in claim 1, which is characterized in that the one of them packet of the front foot and the rear foot Contain the fastener for mutually fastening with the locking piece.

3. children trolley as described in claim 1, which is characterized in that the handle includes the first abutting part, the front foot The one of them with the rear foot includes the second abutting part, the wherein another one quilt of the front foot and the rear foot First abutting part and second abutting part are clamped to limit described in the front foot and the rear foot wherein another one phase The one of them of the front foot and the rear foot is rotated.

4. children trolley as described in claim 1, which is characterized in that the children trolley has additionally comprised moving part, the company Moving part be rotatablely connected the front foot and the rear foot the wherein another one and the handle, the moving part and it is described before The rotation connection and the front foot of the wherein another one of foot and the rear foot and the rotation connection of the rear foot are located at not Same position, the rotation connection of the handle and the moving part and the handle and the front foot and the rear foot it is described wherein The rotation connection of one is located at different location, and the handle is rotated relative to one of them described in the front foot and the rear foot When, the handle drives the wherein another one of the front foot and the rear foot relative to the front foot by the moving part It is rotated with the one of them of the rear foot.

5. children trolley as described in claim 1, which is characterized in that the children trolley additionally comprises flexible part, the bullet Property part abut the locking piece and for make the locking piece have with the front foot and the one of them of the rear foot it is mutual The potential energy to fasten.

6. children trolley as described in claim 1, which is characterized in that the children trolley has additionally comprised connector, the company Fitting connects the locking piece and for driving the one of them of the locking piece and the front foot and the rear foot to be detached from Engaging.

7. children trolley as claimed in claim 6, which is characterized in that the children trolley has additionally comprised operating parts, the behaviour Workpiece is movably arranged on the handle and the connection connector, and the operating parts passes through the connector band when being operated The locking piece is moved to engage with the front foot with the disengaging of the one of them of the rear foot.

8. children trolley as claimed in claim 6, which is characterized in that the handle has additionally comprised lower handle portion and up knob Portion, the children trolley have additionally comprised handle pivotal part, and the handle pivotal part is arranged in the lower handle portion and described upper It is rotated between hand and for allowing or limiting the up knob portion relative to the lower handle portion.

9. children trolley as claimed in claim 8, which is characterized in that the connector separately connects the handle pivotal part and institute The one of them in up knob portion is stated, and when the up knob portion is rotated relative to the lower handle portion, the handle pivotal part The locking piece and the front foot and the rear foot are driven by the connector with the one of them in the up knob portion The one of them be detached from engaging.

10. children trolley as claimed in claim 8, which is characterized in that the children trolley has additionally comprised operating parts, the behaviour Workpiece connects the handle pivotal part, and the operating parts when being operated handle pivotal part described in release the lock to allow described upper Hand is rotated relative to the lower handle portion.

11. children trolley as claimed in claim 10, which is characterized in that the operating parts separately connects the connector, and institute Operating parts is stated to drive described in the locking piece and the front foot and the rear foot wherein when being operated by the connector One is detached from engaging.

12. it is a kind of easy to operate and can compact folding children trolley, which is characterized in that the children trolley includes:

Front foot；

The rear foot is rotatablely connected the front foot；

Handle is rotatablely connected the front foot；

Locking piece is movably arranged on the handle, and the locking piece is used to mutually fasten with the front foot described in limitation Handle rotates relative to the front foot and separately for engaging with front foot disengaging to allow the handle relative to the front foot Rotation；And

Moving part is rotatablely connected the handle and the rear foot, when the handle rotates forward relative to the front foot, institute It states handle and drives the rear foot to rotate forward relative to the front foot by the moving part.

13. children trolley as claimed in claim 12, which is characterized in that the front foot includes for mutual with the locking piece The fastener to fasten.

14. children trolley as claimed in claim 12, which is characterized in that the children trolley has additionally comprised connector, described Connector connects the locking piece and engages for driving the locking piece to be detached from the front foot.

15. children trolley as claimed in claim 14, which is characterized in that the children trolley has additionally comprised operating parts, described Operating parts is movably arranged on the handle and the connection connector, and the operating parts passes through the connector when being operated It drives the locking piece to be detached from the front foot to engage.

16. children trolley as claimed in claim 14, which is characterized in that the handle has additionally comprised lower handle portion and upper Hand, the children trolley have additionally comprised handle pivotal part, the handle pivotal part setting the lower handle portion and it is described on It is rotated between handle portion and for allowing or limiting the up knob portion relative to the lower handle portion.

17. children trolley as claimed in claim 16, which is characterized in that the connector separately connect the handle pivotal part with The one of them in the up knob portion, and when the up knob portion is rotated relative to the lower handle portion, the handle pivots Part drives the locking piece to engage with front foot disengaging with the one of them in the up knob portion by the connector.

18. children trolley as claimed in claim 16, which is characterized in that the children trolley has additionally comprised operating parts, described Operating parts connects the handle pivotal part, and the operating parts when being operated handle pivotal part described in release the lock to allow on described Handle portion is rotated relative to the lower handle portion.

19. children trolley as claimed in claim 18, which is characterized in that the operating parts separately connects the connector, and institute State operating parts drives the locking piece to engage with the front foot disengaging when being operated by the connector.

20. children trolley as claimed in claim 12, which is characterized in that the rotation connection of the moving part and the rear foot with And the front foot and the rotation connection of the rear foot are located at different location, the rotation connection of the handle and the moving part and institute The rotation connection for stating handle and the front foot is located at different location, and when the handle is rotated relative to the front foot, and described Hand drives the rear foot to rotate relative to the front foot by the moving part.

Technical field

The present invention relates to a kind of juvenile product, it is espespecially a kind of easy to operate and can compact folding children trolley.

Background technique

With advances in technology and expanding economy, having more and more consumer goods in the market can be people's lives It offers convenience.For example, children trolley is indispensable for the movement of baby or children.Perambulator not only can for baby or Children provide the environment of safety and comfort, but also offer convenience for caretaker in band baby or children outside.Children trolley is logical Often with there is a foldable structure, therefore when children trolley need not be used, children trolley can folding get up, to reduce occupied by it Space, to transport or to store.However, have some existing children trolleys still not enough it is light also can not compact folding, it is such Children trolley, when outgoing, especially when using public transport, not portable or storage.In addition, having some existing Children trolley is then with complicated structure and folding process, without being readily expanded or folding.

Therefore, the children trolley in need for providing a kind of Improvement type is to solve the above problems.

Summary of the invention

The purpose of the present invention is to provide it is a kind of easy to operate and can compact folding children trolley.

To reach above-mentioned purpose, the present invention disclose it is a kind of easy to operate and can compact folding children trolley, feature exists It include front foot, the rear foot, handle and locking piece in, the children trolley, the rear foot is rotatablely connected the front foot, and described Hand is rotatablely connected the one of them of the front foot Yu the rear foot, and the locking piece is movably arranged on the handle, the lock Determine part mutually to be fastened for the one of them with the front foot and the rear foot to limit the handle relative to before described The one of them of foot and the rear foot rotates and separately for being detached from the one of them of the front foot and the rear foot Engaging is to allow the handle to rotate relative to the one of them of the front foot and the rear foot, when the locking piece and institute When stating the one of them of front foot and the rear foot and mutually fastening, the handle and the front foot and the rear foot it is described its Middle one engages the wherein another one of the front foot and the rear foot jointly to limit described in the front foot and the rear foot it Middle another one is rotated relative to the one of them of the front foot and the rear foot.

The one of them of a wherein embodiment according to the present invention, the front foot and the rear foot include for institute State the fastener that locking piece mutually fastens.

Wherein an embodiment, the handle include the first abutting part, the front foot and the rear foot according to the present invention The one of them includes the second abutting part, and the front foot is abutted with the wherein another one of the rear foot by described first Portion and second abutting part clamp with limit described in the front foot and the rear foot wherein another one relative to the front foot It is rotated with the one of them of the rear foot.

Wherein an embodiment, the children trolley have additionally comprised moving part, the moving part rotation connection according to the present invention The wherein another one and the handle of the front foot and the rear foot, the moving part and the front foot and the rear foot The rotation connection of the wherein another one and the rotation connection of the front foot and the rear foot be located at different location, described The rotation connection of hand and the moving part connects with the handle and the front foot and the rotation of the one of them of the rear foot It connects and is located at different location, and when the handle is rotated relative to one of them described in the front foot and the rear foot, the handle By the moving part drive described in the front foot and the rear foot wherein another one relative to the front foot and the rear foot The one of them rotation.

A wherein embodiment according to the present invention, the children trolley additionally comprise flexible part, described in the elastic component abuts Locking piece and the potential energy mutually to fasten for having the locking piece with the one of them of the front foot and the rear foot.

A wherein embodiment according to the present invention, the children trolley have additionally comprised connector, described in the connector connection Locking piece and engage for driving the locking piece and the front foot to be detached from the one of them of the rear foot.

Wherein an embodiment, the children trolley have additionally comprised operating parts, the operating parts activity setting according to the present invention In the handle and the connection connector, and the operating parts drives the locking piece by the connector when being operated Engage with the front foot with the disengaging of the one of them of the rear foot.

Wherein an embodiment, the handle have additionally comprised lower handle portion and up knob portion, the children according to the present invention Cart has additionally comprised handle pivotal part, and the handle pivotal part is arranged between the lower handle portion and the up knob portion and uses In allowing or limit the up knob portion to rotate relative to the lower handle portion.

Wherein an embodiment, the connector separately connect the handle pivotal part and the up knob portion according to the present invention One of them, and when the up knob portion is rotated relative to the lower handle portion, the handle pivotal part and the up knob The one of them in portion drives described wherein the one of the locking piece and the front foot and the rear foot by the connector Person is detached from engaging.

A wherein embodiment according to the present invention, the children trolley have additionally comprised operating parts, described in the operating parts connection Handle pivotal part, and the operating parts when being operated handle pivotal part described in release the lock to allow the up knob portion relative to institute State lower handle portion rotation.

A wherein embodiment according to the present invention, the operating parts separately connect the connector, and the operating parts is in being grasped The locking piece is driven to engage with the front foot with the disengaging of the one of them of the rear foot by the connector when making.

To reach above-mentioned purpose, the present invention separately disclose it is a kind of easy to operate and can compact folding children trolley, feature It is, the children trolley includes front foot, the rear foot, handle, locking piece and moving part, before the rear foot rotation connection is described Foot, the handle are rotatablely connected the front foot, and the locking piece is movably arranged on the handle, and the locking piece is used for and institute Front foot is stated mutually to fasten to limit the handle and rotate relative to the front foot and separately for engaging with front foot disengaging to permit Perhaps the described handle is rotated relative to the front foot, and the moving part is rotatablely connected the handle and the rear foot, when the handle When being rotated forward relative to the front foot, the handle by the moving part drive the rear foot relative to the front foot forward Rotation.

Wherein an embodiment, the front foot include the engaging for mutually fastening with the locking piece according to the present invention Part.

A wherein embodiment according to the present invention, the children trolley have additionally comprised connector, described in the connector connection Locking piece and for driving the locking piece and the front foot disengaging to engage.

Wherein an embodiment, the children trolley have additionally comprised operating parts, the operating parts activity setting according to the present invention In the handle and the connection connector, and the operating parts drives the locking piece by the connector when being operated Engage with front foot disengaging.

Wherein an embodiment, the handle have additionally comprised lower handle portion and up knob portion, the children according to the present invention Cart has additionally comprised handle pivotal part, and the handle pivotal part is arranged between the lower handle portion and the up knob portion and uses In allowing or limit the up knob portion to rotate relative to the lower handle portion.

Wherein an embodiment, the connector separately connect the handle pivotal part and the up knob portion according to the present invention One of them, and when the up knob portion is rotated relative to the lower handle portion, the handle pivotal part and the up knob The one of them in portion drives the locking piece to engage with front foot disengaging by the connector.

A wherein embodiment according to the present invention, the children trolley have additionally comprised operating parts, described in the operating parts connection Handle pivotal part, and the operating parts when being operated handle pivotal part described in release the lock to allow the up knob portion relative to institute State lower handle portion rotation.

A wherein embodiment according to the present invention, the operating parts separately connect the connector, and the operating parts is in being grasped The locking piece is driven to engage with front foot disengaging by the connector when making.

The rotation connection and the front foot of a wherein embodiment according to the present invention, the moving part and the rear foot and institute The rotation connection for stating the rear foot is located at different location, the rotation connection of the handle and the moving part and the handle and it is described before The rotation connection of foot is located at different location, and when the handle is rotated relative to the front foot, the handle passes through the gearing Part drives the rear foot to rotate relative to the front foot.

In conclusion the present invention allows or limits handle using locking piece relative to front foot rotation and separately using palmistry For front foot rotation by moving part drive the rear foot relative to front foot rotate, as long as therefore user by locking piece be detached from engage and Relative to front foot swing handle, entire children trolley can be real to have ease of use easily by compact folding.

Detailed description of the invention

Fig. 1 is the appearance diagram of first embodiment of the invention children trolley.

Fig. 2 is the part enlarged diagram of first embodiment of the invention children trolley.

Fig. 3 to Fig. 5 is first embodiment of the invention children trolley in the schematic diagram of different conditions.

Fig. 6 to Fig. 7 is first embodiment of the invention children trolley in the part enlarged diagram of different conditions.

Fig. 8 to Figure 10 is second embodiment of the invention children trolley in the schematic diagram of different conditions.

Wherein, the reference numerals are as follows:

1,1 ' children trolley

11,11 ' front foot

111 front-wheels

112 fasteners

113 second abutting parts

12 rear feet

121 liang of rear-wheels

13,13 ' handle

131, handle portion under 131 '

132,132 ' up knob portion

133 first abutting parts

14 moving parts

15 handle pivotal parts

151 the first noumenons

152 second ontologies

16,16 ' operating parts

17 locking pieces

18 connectors

19 elastic components

The first pivoting point of P1

The second pivoting point of P2

P3 third pivoting point

The 4th pivoting point of P4

R1 first direction

R2 second direction

Specific embodiment

The direction term being previously mentioned in following embodiment, such as: upper and lower, left and right, front or rear etc. are only with reference to appended drawings The direction of formula.Therefore, the direction term used is intended to be illustrative and not intended to limit the present invention.In addition, " connection " word is herein Include any direct and indirect structure connection means.Therefore, if it is described herein that a first device connects a second device, then generation The table first device can direct organization connect the second device, or be connected to through other devices or the indirect ground structure of connection means The second device.

Fig. 1 and Fig. 2 are please referred to, Fig. 1 is the appearance diagram of first embodiment of the invention children trolley 1, and Fig. 2 is the present invention The part enlarged diagram of first embodiment children trolley 1.As shown in Figures 1 and 2, children trolley 1 includes front foot 11, the rear foot 12, handle 13 and moving part 14, front foot 11 have two front wheels 111, and the rear foot 12 has two rear-wheels 121, and child carrier (is not shown In figure) it is mountable 1 on children trolley, to accommodate children, child carrier can be children's seat, cradle etc..The rear foot 12 rotates Connect front foot 11, handle 13 is rotatablely connected front foot 11, and moving part 14 is rotatablely connected handle 13 and the rear foot 12, when handle 13 relative to When front foot 11 rotates forward folding along first direction R1 (such as clockwise direction), handle 13 drives the rear foot 12 by moving part 14 Relative to front foot 11 along second direction R2 (such as counter clockwise direction) rotation folding in contrast to first direction R1, to realize Virgin cart 1 is compact and simple folding operation.

Foot 12 and handle 13 can directly be pivotally connected front foot 11 and be respectively formed the first pivoting point P1 and the in this embodiment the rear Two pivoting point P2, moving part 14 can directly be pivotally connected the rear foot 12 and handle 13 and be respectively formed third pivoting point P3 and the 4th pivoting point The rotation connection of P4, the rotation connection (i.e. third pivoting point P3) and front foot 11 of moving part 14 and the rear foot 11 and the rear foot 12 is (i.e. First pivoting point P1) it is located at different location, the rotation connection (i.e. the 4th pivoting point P4) of handle 13 and moving part 14 and handle 13 are located at different location with the rotation connection (i.e. the first pivoting point P1) of front foot 11.

And the present invention is not limited thereto embodiment, for example, in another embodiment, the rear foot and handle can pass through it His mechanism (such as center hub) is rotatablely connected front foot indirectly, so that the rear foot and handle can rotate folding relative to front foot, in addition, Moving part also can pass through other mechanisms (such as lever) and be rotatablely connected the rear foot and handle indirectly.

Furthermore front foot of the present invention, the rear foot, handle and moving part structure setting be not limited thereto embodiment, citing comes It says, in another embodiment, front foot is rotatably connected the rear foot, the rear foot and handle is rotatably connected rather than front foot, furthermore, moving part Be rotatably connected front foot and handle, and when handle is relative to rear foot folding forward in the counterclockwise direction, handle passes through moving part band Front foot is moved relative to rear foot folding backward along clockwise direction, to realize that children trolley is compact and simple folding operation.

As shown in Figure 1, handle 13 includes lower handle portion 131 and up knob portion 132, children trolley 1 has additionally comprised handle Hand pivotal part 15, handle pivotal part 15 are arranged between lower handle portion 131 and up knob portion 132 and for limiting or allowing upper Hand 132 is rotated relative to lower handle portion 131, and in this embodiment, handle pivotal part 15 may include having the first noumenon 151, Two ontologies 152 and movable part (not shown in the figures), the first noumenon 151 connect lower handle portion 131, the connection of the second ontology 152 Up knob portion 132 and rotation combine the first noumenon 151, and movable part is movably arranged on the second ontology 152 and is used for and first Body 151 mutually fastens to limit the second ontology 152 relative to the first noumenon 151 and rotate, or blocks for being detached from the first noumenon 151 It closes to allow the second ontology 152 to rotate relative to the first noumenon 151.When movable part engages with the disengaging of the first noumenon 151, upper Hand 132 can be by operation and by the relative rotation of the second ontology 152 and the first noumenon 151 relative to 131 turns of lower handle portion It is dynamic.

And the structure setting of handle pivot part of the present invention is not limited thereto embodiment, as long as can allow for up knob portion phase Structure or mechanism for the rotation of lower handle portion belong to the scope that the present invention is protected.

Preferably, in this embodiment, children trolley 1 has additionally comprised operating parts 16, operating parts 16 connects handle pivotal part 15, operating parts 16 when being operated can release the lock handle pivotal part 15 to allow up knob portion 132 relative to 131 turns of lower handle portion Dynamic, specifically, operating parts 16 can connect the movable part of handle pivotal part 15 to drive movable part and the first noumenon 151 to be detached from and block It closes, so that up knob portion 132 be allowed to rotate relative to lower handle portion 131.And the present invention is not limited thereto embodiment, another In embodiment, operating parts can be omitted, and movable part may be disposed at the inclined-plane pushing tow on the first noumenon and be detached from and block with the first noumenon It closes.

As shown in Figures 1 and 2, children trolley 1 has additionally comprised locking piece 17, connector 18 and elastic component 19, locking piece 17 are movably arranged on the lower handle portion 131 of handle 13,18 connection locking piece 17 of connector, and front foot 11 includes corresponding locking piece 17 Fastener 112, locking piece 17 with fastener 112 for mutually fastening to limit the lower handle portion 131 of handle 13 relative to preceding Foot 11 rotates and separately for engaging with the disengaging of fastener 112 to allow the lower handle portion 131 of handle 13 to rotate relative to front foot 11, Connector 18 is used to that locking piece 112 to be driven to engage with the disengaging of the fastener 112 of front foot 11, and elastic component 19 abuts locking piece 17, with Make locking piece 17 that there is the potential energy mutually to fasten with the fastener 112 of front foot 11, handle portion 131 is located at relative to front foot 11 instantly When fully expanded position, elastic component 19 can drive locking piece 17 mutually to fasten with fastener 112, to avoid lower handle portion 131 Relative to the unexpected folding of front foot 11.

In this embodiment, connector 18 can separately connect the up knob portion 132 of handle 13, so that working as 132 phase of up knob portion When for the rotation of lower handle portion 131, the up knob portion 132 of handle 13 can pull locking piece 17 and fastener by connector 18 112 are detached from engaging.

And the present invention is not limited thereto embodiment, one end of connector may connect to handle pivotal part the first noumenon, Second ontology or positioned at pivot between the two, and by the first noumenon of handle pivotal part, the second ontology or pivot Interlocked, for example, in another embodiment, one end of connector may connect to pivot, when up knob portion relative to When lower handle portion rotates, the pivot inside pivotal part be will move with, and then generate displacement with follower link, to drive Locking piece and with fastener disengaging engage, in this way, children trolley provided by the present invention can up knob portion relative to Lower handle portion is unlocked vehicle frame when rotating.

Or in another embodiment, connector can attended operation part and locking piece so that operating parts is when being operated Locking piece can be driven to engage with fastener disengaging by connector, that is to say, that in this embodiment, when operating parts is operated When, up knob portion and lower handle portion can be respectively relative to lower handle portion and front foot rotation, to reach while to handle pivotal part And the purpose that unitized frame is unlocked.

Or in another embodiment, up knob portion can be fixedly connected with lower handle portion and can not be relative to lower handle portion Rotate folding, connector can attended operation part so that operating parts can pass through connector when being operated and drive locking piece and card Component is detached from engaging.

In addition, handle 13 has additionally comprised the first abutting part 133, front foot 11 has additionally comprised the second abutting part 113, instantly handle When portion 131 is located at fully expanded position relative to front foot 11, the rear foot 12 can be total to by the first abutting part 133 and the second abutting part 113 It with clamping, is rotated with limiting the rear foot 12 relative to front foot 11, to be effectively prevented from the rear foot 12 relative to the unexpected folding of front foot 11.

Folding and expansion operation below for children trolley 1 of the present invention are illustrated, and please refer to Fig. 1 to Fig. 7, Fig. 3 is extremely Fig. 5 is first embodiment of the invention children trolley 1 in the schematic diagram of different conditions, and Fig. 6 to Fig. 7 is first embodiment of the invention youngster Virgin cart 1 is in the part enlarged diagram of different conditions.When user is intended to folding children trolley 1, operating parts 16 can be first operated Release the lock handle pivotal part 15 is to allow up knob portion 132 to rotate relative to lower handle portion 131, then, when up knob portion 132 is opposite When lower handle portion 131 turns to position as shown in Figure 3 along first direction R1, locking piece 17 can be driven and and fastener 112 are detached from engaging, at this point, user, which can operate entire handle 13, rotates folding along first direction R1 relative to front foot 11 with band Relative to front foot 11, R2 rotates folding to the dynamic rear foot 12 in a second direction or the upper folding handle 122 being arranged on the rear foot 12 of lifting leads to Crossing gravity drives the rear foot 12 and handle 13 to rotate folding along two opposite directions relative to front foot 11, until the compact receipts of children trolley 1 It rolls over and is in state as shown in Figure 5, to complete the folding operation of children trolley 1.

On the other hand, when user's children trolley 1 to be unfolded, as long as operating handle 13 rotates exhibition relative to front foot 11 It opens, during handle 13 rotates expansion relative to front foot 11, handle 13 drives the rear foot 12 relative to preceding by moving part 14 The rotation expansion of foot 11, when children trolley 1 is located at state as shown in Figure 3, the elastic component 19 of flexible deformation can drive locking piece 17 mutually fasten with fastener 112, and to limit lower rotation of the handle portion 131 relative to front foot 11, and the rear foot 12 can be supported by first Clamping is jointly to limit rotation of the rear foot 12 relative to front foot 11 for socket part 133 and the second abutting part 113, then, as long as operating again Up knob portion 132 can complete the expansion operation of children trolley 1 relative to the rotation expansion of lower handle portion 131.

Furthermore the structure setting of children trolley of the present invention is not limited to above-described embodiment, for example, referring again to figure 8 to Figure 10, Fig. 8 to Figure 10 be second embodiment of the invention children trolley 1 ' in the schematic diagram of different conditions.Such as Fig. 8 to Figure 10 institute Show, different from the first embodiment, the up knob portion 132 ' of this embodiment, can be relative under when operating parts 16 ' is operated Handle portion 131 ' rotates in the counterclockwise direction (i.e. second direction R2), and locking piece can be in up knob portion 132 ' relative to lower handle Portion 131 ' is driven when rotating in the counterclockwise direction and engages with the disengaging of front foot 11 ', and remaining structure and first of the present embodiment Embodiment is identical, for the sake of clarity, repeats no more in this.

Compared to the prior art, in conclusion the present invention allows or limit handle using locking piece relative to front foot turn It is dynamic and separately drive the rear foot to rotate relative to front foot by moving part relative to front foot rotation using handle, as long as therefore user by Locking piece is detached from engaging and relative to front foot swing handle, and entire children trolley can be easily by compact folding, and real tool uses Convenience.

The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.