Reversible stroller

Abstract

The utility model discloses a reversible child stroller which has an unfolded state and a folded state, the child stroller comprises a first foot assembly, a second foot assembly and a push handle assembly, the first foot assembly and the second foot assembly are rotationally connected, and a first locking piece enabling the child stroller to be kept in the unfolded state is arranged between the first foot assembly and the second foot assembly; the push handle assembly is rotationally connected with the second foot assembly, the push handle assembly has a first posture inclining backwards and a second posture inclining forwards, a second locking piece enabling the push handle assembly to keep the corresponding posture is arranged between the push handle assembly and the second foot assembly, and a linkage piece is arranged between the first locking piece and the second locking piece. In the process that the first locking piece moves from the locking state to the unlocking state, the second locking piece is driven by the linkage piece to move from the locking state to the unlocking state, different unlocking operations correspond to different locking pieces, and the structure and the matching relation of parts are simplified.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of children's products, in particular to a reversible children's stroller. BACKGROUND

[0002] In the existing hand handle reversible children's stroller, for example, the patent document with publication number CN220924243U discloses a children's stroller, the front support and the rear support are hinged and constitute a bottom support, a second locking mechanism for keeping the unfolded state is arranged between the two, the push rod assembly and the rear support are rotationally connected, and a first locking mechanism is arranged between the two, wherein the push rod assembly is unlocked from the first locking mechanism through the first unlocking mechanism during the reversing operation, and the second locking mechanism is still in the locked state, when the whole vehicle is folded, the first locking mechanism is first unlocked through the second unlocking mechanism, and then the second locking mechanism is unlocked, the operation logic is to unlock the first locking mechanism by operating different unlocking mechanisms, the movement stroke of the first locking part in the first locking mechanism is different to complete the unlocking of the second locking mechanism, wherein the first driving part in the first unlocking mechanism and the second driving part in the second unlocking mechanism are nested with each other, and in order to realize the above function, the structure and cooperation relationship of the first driving part and the second driving part are more complex. CONTENT OF THE UTILITY MODEL

[0003] The present application provides a reversible children's stroller, which simplifies the component structure and the cooperation relationship between them.

[0004] The present application provides a reversible children's stroller, which has an unfolded state and a folded state, the children's stroller comprises a first foot assembly, a second foot assembly and a push handle assembly, the first foot assembly and the second foot assembly are rotationally connected, and a first locking part for keeping the children's stroller in the unfolded state is arranged between the two; the push handle assembly and the second foot assembly are rotationally connected, the push handle assembly has a first attitude of leaning backward and a second attitude of leaning forward, a second locking part for keeping the push handle assembly in the corresponding attitude is arranged between the push handle assembly and the second foot assembly, the first locking part and the second locking part can be moved between a locked state and an unlocked state, a linkage part is arranged between the first locking part and the second locking part, and the second locking part is driven by the linkage part to move from the locked state to the unlocked state during the movement of the first locking part from the locked state to the unlocked state.

[0005] The following also provides several optional modes, but not as an additional limitation to the above overall scheme, only as a further supplement or preference, without technical or logical contradiction, each optional mode can be combined with the above overall scheme, and can also be combined between multiple optional modes.

[0006] Optionally, the first leg assembly comprises a first leg rod and a first joint element arranged at the top of the first leg rod, the second leg assembly comprises a second leg rod and a second joint element arranged at the top of the second leg rod, and the push handle assembly comprises a push rod and a third joint element arranged at the bottom of the push rod, the first leg rod, the second leg rod and the push rod are arranged in pairs, and the first leg rod, the second leg rod and the push rod on the same side are connected by the corresponding joint elements to form a side frame, and a child carrier is arranged between the two side frames.

[0007] Optionally, the first locking element is arranged between the first joint element and the second joint element, and the second locking element is arranged between the second joint element and the third joint element.

[0008] Optionally, the first locking element and the second locking element are movable in the axial direction between the locked state and the released state, and the moving directions of the two from the locked state to the released state are the same.

[0009] Optionally, the connecting element is fixedly connected with the second locking element and penetrates the second joint element.

[0010] Optionally, the first joint element, the second joint element and the third joint element are coaxially connected.

[0011] Optionally, the child carrier can rotate relative to the side frame, and the first locking element can be unlocked during the rotation.

[0012] Optionally, a third locking element is arranged between the side frame and the child carrier to limit the rotation of the child carrier.

[0013] Optionally, the child carrier is a seat, the seat comprises a seat part and a backrest part connected in rotation, the seat part can rotate relative to the side frame, and the backrest part can unlock the third locking element when it rotates to approach the seat part.

[0014] Optionally, adapters are arranged on both sides of the child carrier, and an adapter seat is arranged on the side frame, the adapter can rotate relative to the adapter seat when the adapter and the adapter seat are combined.

[0015] Optionally, an unlocking element is arranged on the push handle assembly to unlock the second locking element.

[0016] Optionally, a positioning element is arranged between the push handle assembly and the second leg assembly to enable the push handle assembly to pause in a corresponding posture.

[0017] The reversible child stroller of the present application, when folding the whole stroller, first unlock the first locking member, then unlock the second locking member through the connecting member, when reversing the handlebar assembly, unlock the second locking member, but the first locking member still remains in the locked state, different unlocking operations correspond to different locking members, which simplifies the structure of the components and the matching relationship. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 Structure view of the child stroller of an embodiment of the present application in the unfolded state;

[0019] Figure 2 Structure view of the child stroller of an embodiment of the present application in the unfolded state; Figure 1 Structure view of the child stroller of an embodiment of the present application in the unfolded state;

[0020] Figure 3 Structure view of the child stroller of an embodiment of the present application in the unfolded state; Figure 1 Structure view of the child stroller of an embodiment of the present application in the unfolded state;

[0021] Figure 4 Structure view of the child stroller of an embodiment of the present application in the unfolded state; Figure 3 Structure view of the child stroller of an embodiment of the present application in the unfolded state;

[0022] Figure 5 Structure view of the child stroller of an embodiment of the present application in the unfolded state; Figure 4 Structure view of the child stroller of an embodiment of the present application in the unfolded state;

[0023] Figure 6 Structure view of the child stroller of an embodiment of the present application in the unfolded state;

[0024] Figure 7 Structure view of the child stroller of an embodiment of the present application in the unfolded state;

[0025] Figure 8 Structure view of the child stroller of an embodiment of the present application in the unfolded state; Figure 6 Structure view of the child stroller of an embodiment of the present application in the unfolded state;

[0026] Figure 9 Structure view of the child stroller of an embodiment of the present application in the unfolded state; Figure 8 Structure view of the child stroller of an embodiment of the present application in the unfolded state;

[0027] Figure 10 Structure view of the child stroller of an embodiment of the present application in the unfolded state.

[0028] Reference signs in the drawings are explained as follows:

[0029] 1000, child stroller; 100, side frame;

[0030] 110, first foot assembly; 111, first foot rod; 112, first joint element; 113, first locking slot;

[0031] 120, second foot assembly; 121, second foot rod; 122, second joint element; 123, second locking slot; 124, third locking slot; 125, first positioning slot; 126, second positioning slot;

[0032] 130, push handle assembly; 131, push rod; 132, third joint element; 133, fourth locking slot; 134, unlocking member; 135, positioning member;

[0033] 140, transmission member; 160, adapter seat; 161, connecting portion; 162, connecting portion; 163, clamping block; 164, fifth locking slot;

[0034] 310, first locking member; 311, connecting member; 320, second locking member; 330, third locking member;

[0035] 340, triggering member; 341, triggering portion;

[0036] 500, child carrier; 510, seat portion; 520, backrest portion; 530, adapter; 531, clamping slot. DETAILED DESCRIPTION

[0037] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0038] It should be noted that when an assembly is referred to as being "connected" to another assembly, it can be directly connected to the other assembly or there can be a middle assembly. When an assembly is referred to as being "disposed on" another assembly, it can be directly disposed on the other assembly or there can be a middle assembly.

[0039] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0040] In the present application, the terms "first", "second" and the like are used only for descriptive purposes, and cannot be construed as indicating or implying relative importance or an indicated number, order of sequence. Therefore, the features defined as "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "a plurality of" is at least two, such as two, three, etc., unless otherwise specifically limited.

[0041] Referring to Figures 1-9 , the present application provides a reversible child stroller (hereinafter referred to as child stroller 1000). The child stroller 1000 has an unfolded state and a folded state, and includes a first foot assembly 110, a second foot assembly 120 and a push handle assembly 130, the first foot assembly 110 and the second foot assembly 120 are rotatably connected and constitute a bottom support, and a first locking member 310 is arranged between the two to keep the child stroller in the unfolded state. The side where the first foot assembly 110 is located is the front side, and the side where the second foot assembly 120 is located is the rear side. The push handle assembly 130 and the second foot assembly 120 are rotatably connected, and the push handle assembly 130 has a first attitude (as shown in Figure 1 ) inclined backward and a second attitude (as shown in Figure 2 ) forward, and a second locking member 320 is arranged between the push handle assembly 130 and the second foot assembly 120 to keep the push handle assembly 130 in the corresponding attitude.

[0042] The first locking member 310 and the second locking member 320 can be moved between the locked state and the released state, and a linkage member 311 is arranged between the first locking member 310 and the second locking member 320. During the movement of the first locking member 310 from the locked state to the released state, the second locking member 320 is driven by the linkage member 311 to move from the locked state to the released state, that is, the first foot assembly 110 and the second foot assembly 120 are allowed to rotate relative to each other, and the push handle assembly 130 is allowed to rotate and close to one of the foot assemblies, until the child stroller 1000 is switched to the folded state, and the folding linkage mode is different from the prior art.

[0043] When the push handle assembly 130 is reversed, that is, the second locking member 320 is switched to the released state, the first locking member 310 still remains in the locked state to avoid the bottom support from being folded. When the whole vehicle is folded, the first locking member is first unlocked, and then the second locking member is unlocked through the linkage member. When the push handle assembly is reversed, the second locking member is unlocked, but the first locking member still remains in the locked state. Different operations are corresponded to different locking members, which simplifies the structure of the components and the matching relationship.

[0044] The first leg assembly 110 comprises a first leg rod 111 and a first joint element 112 arranged on the top of the first leg rod 111, the second leg assembly 120 comprises a second leg rod 121 and a second joint element 122 arranged on the top of the second leg rod 121, and the push handle assembly 130 comprises a push rod 131 and a third joint element 132 arranged on the bottom of the push rod 131. The first leg rod 111, the second leg rod 121 and the push rod 131 are connected by the corresponding joint elements to form a side frame 100. There are two side frames 100 arranged symmetrically, and a child carrier 500 such as a sleeping basket, a seat or the like is arranged between the two side frames 100.

[0045] The first joint element 112, the second joint element 122 and the third joint element 132 can rotate around the same rotation axis, or the first joint element 112 and the second joint element 122 rotate around a first rotation axis, and the second joint element 122 and the third joint element 132 rotate around a second rotation axis. The first rotation axis and the second rotation axis are not coaxial but parallel to each other. The "axial direction" mentioned below refers to the direction of the rotation axis.

[0046] The first joint element 112, the second joint element 122 and the third joint element 132 are arranged in sequence from inside to outside along the axial direction (the inside is the side opposite to the two side frames 100), the first locking member 310 is arranged between the first joint element 112 and the second joint element 122, and the second locking member 320 is arranged between the second joint element 122 and the third joint element 132. In an embodiment, the first locking member 310 and the second locking member 320 can slide along the axial direction, and the directions of switching from the locked state to the released state of the two are the same.

[0047] The connecting member 311 can be movably arranged between the first locking member 310 and the second locking member 320, or as shown in Figure 8 and Figure 9 The connecting member 311 is fixedly connected with the first locking member 310. In the figure, the first locking member 310 is disc-shaped, and a plurality of teeth are arranged at the radial outer periphery at intervals. The first joint element 112 and the second joint element 122 are respectively provided with a first lock groove 113 and a second lock groove 123 matched with the first locking member 310. The first locking member 310 is simultaneously arranged in the first lock groove 113 and the second lock groove 123 in the locked state, and exits the first lock groove 113 in the released state.

[0048] The second locking member 320 is disc-shaped, and a plurality of teeth are arranged at the outer periphery thereof. The second locking member 320 is provided with a third locking groove 124 and a fourth locking groove 133 corresponding to the second joint element 122 and the third joint element 132 respectively. The second locking member 320 is simultaneously located in the third locking groove 124 and the fourth locking groove 133 in the locked state, and exits the third locking groove 124 in the released state. The connecting member 311 is protruded at one end of the first locking member 310 in the axial direction, and extends through the second joint element 122 in the axial direction, so as to achieve the connecting and releasing of the second locking member 320.

[0049] In an embodiment, the stroller 1000 further comprises a first elastic member acting on the first locking member 310 to keep it in the locked state, and a second elastic member acting on the second locking member 320 to keep it in the locked state. The two elastic members can be cylindrical springs (not shown in the figure).

[0050] The third joint element 132 is provided with a transmission member 140 rotating around the second rotation axis. The second locking member 320 is sleeved on the outer periphery of the transmission member 140 and is provided with a first guide slope between the second locking member 320 and the transmission member 140. The handlebar assembly 130 is provided with an unlocking member 134 for unlocking the second locking member 320. The unlocking member 134 and the transmission member 140 are remotely connected through a pull wire. The unlocking operation is as follows: the unlocking member 134 is operated to drive the transmission member 140 to rotate, and the first guide slope is used to drive the second locking member 320 to slide out of the third locking groove 124.

[0051] In an embodiment, the handlebar assembly 130 and the second foot assembly 120 are provided with a positioning member 135 for temporarily stopping the handlebar assembly 130 in the corresponding posture and the folded state. The positioning member 135 is slidingly arranged on the third joint element 132. The second joint element 122 is provided with a first positioning groove 125 and a second positioning groove 126 corresponding to the positioning member 135. Correspondingly, the third joint element 132 is provided with a third elastic member, such as a cylindrical spring, acting on the positioning member 135. The first positioning groove 125 is an arc-shaped groove. When the handlebar assembly 130 changes direction, the positioning member 135 slides in the first positioning groove 125. When the handlebar assembly 130 is in the first posture or the second posture, the positioning member 135 abuts against the corresponding groove wall of the first positioning groove 125. The groove wall of the first positioning groove 125 and the positioning member 135 are provided with a second guide slope. When the handlebar assembly 130 is folded to one of the foot assemblies, the second guide slope is used to drive the positioning member 135 to exit the first positioning groove 125. When the handlebar assembly 130 is in the folded state, the positioning member 135 enters the second positioning groove 126 and abuts against the groove wall of the second positioning groove 126 to provide a damping force for positioning the handlebar assembly 130 in the folded state. The groove wall of the second positioning groove 126 is also provided with a second guide slope.

[0052] In the present application, no linkage mechanism is provided between the handlebar assembly 130 and other foot assemblies, and the handlebar assembly 130 can be folded under the action of gravity during folding operation. During reversing, the handlebar assembly 130 is manually held and operated.

[0053] Referring back to Figures 1-9 In an embodiment, the child carrier 500 can be a seat, a sleeping box, a basket, etc., which is rotatable relative to the side frame 100 and has a use state Figure 1 or Figure 2 ) and a storage state Figure 3 . The child carrier 500 can be unlocked during rotation to the storage state. In this embodiment, a trigger 340 is arranged in the first joint element 112, which is located on one side of the first locking member 310 in the axial direction, slides in the axial direction, and has a disc-shaped structure. The trigger 340 is in abutment with the first locking member 310 on one side in the axial direction, and extends through the first joint element 112 on the other side to form a trigger portion 341. During rotation of the child carrier 500, the trigger portion 341 is abutted to make the trigger slide and link to unlock the first locking member 310.

[0054] In an embodiment, a third locking member 330 is arranged between the child carrier 500 and the side frame 100 to limit rotation of the child carrier 500, i.e., when the third locking member 330 is in the locked state, the child carrier 500 is kept in the use state. The present application provides a seat as the child carrier, which includes a seat portion 510 and a backrest portion 520 rotatably connected, and the seat portion 510 is rotatable relative to the side frame 100, and the backrest portion 520 is unlocked when it is rotated to approach the seat portion 510.

[0055] In this embodiment, adapters 530 are arranged on both sides of the child carrier 500, and an adapter seat 160 is arranged on the side frame 100, and the adapters 530 and the adapter seat 160 are detachably connected. When the adapters 530 and the adapter seat 160 are combined, the adapters 530 can rotate relative to the adapter seat 160 and drive the trigger 340. When the adapters 530 are detached, the trigger portion 341 is exposed and can be pressed by a person to unlock the first locking member 310.

[0056] In the illustration, the adapter seat 160 includes a connecting portion 161 connected with the first joint element 112, and a combination portion 162 combined with the adapter 530, the combination portion 162 is partially radially outwardly protruded to form a disc-shaped clamping block 163, and the adapter 530 is provided with a clamping groove 531 matched with the clamping block 163, the bottom of the clamping groove 531 is open for combination installation. The third locking member 330 is slidably arranged on the adapter 530, and the adapter seat 160 is provided with a fifth locking groove 164 matched with the third locking member 330, and the top of the fifth locking groove 164 is open.

[0057] Referring to 2 andFigure 10 In one embodiment, the seat has a first mounting position facing the front side and a second mounting position facing the rear side.

[0058] The reversible child stroller of the present application, when folding the whole vehicle, first unlock the first locking member, then unlock the second locking member through the linkage member, when reversing the push handle assembly, unlock the second locking member, but the first locking member still remains in the locked state, different unlocking operations correspond to different locking members, which simplifies the structure of the components and the matching relationship.

[0059] The technical features of the above embodiments can be combined in any manner. To make the description concise, all possible combinations of the technical features in the above embodiments are not described, but as long as the combinations of the technical features do not exist contradictory, they should be considered as the scope of the present disclosure. When the technical features in different embodiments are embodied in the same figure, it can be considered that the figure also discloses the combination of each embodiment involved.

[0060] The above embodiments only express several implementation manners of the present application, and the description is more specific and detailed, but it should not be understood as a limitation on the patent application scope. It should be pointed out that for ordinary skilled in the art, without departing from the concept of the present application, several modifications and improvements can be made, which are within the protection scope of the present application.

Claims

1. A reversible child's pushchair having an unfolded condition and a folded condition, the pushchair comprising a first leg assembly, a second leg assembly and a push handle assembly, characterised in that, The first leg assembly and the second leg assembly are rotationally connected, and a first locking member is arranged between the two to keep the stroller unfolded; the handle assembly and the second leg assembly are rotationally connected, the handle assembly has a first posture of leaning backward and a second posture of leaning forward, a second locking member is arranged between the handle assembly and the second leg assembly to keep the handle assembly in the corresponding posture, the first locking member and the second locking member can move between a locked state and an unlocked state, and a linkage member is arranged between the first locking member and the second locking member, so that the second locking member is moved from the locked state to the unlocked state through the linkage member during the movement of the first locking member from the locked state to the unlocked state.

2. A reversible child's vehicle according to claim 1, wherein, The first leg assembly comprises a first leg rod and a first joint element arranged at the top of the first leg rod, the second leg assembly comprises a second leg rod and a second joint element arranged at the top of the second leg rod, and the handle assembly comprises a handle rod and a third joint element arranged at the bottom of the handle rod, the first leg rod, the second leg rod and the handle rod are arranged in pairs, the first leg rod, the second leg rod and the handle rod on the same side are connected through the corresponding joint elements to form a side frame, and a child carrier is arranged between the two side frames.

3. A reversible child's vehicle according to claim 2, wherein, The first locking member is arranged between the first joint element and the second joint element, and the second locking member is arranged between the second joint element and the third joint element.

4. A reversible child's vehicle according to claim 3, wherein, The first locking member and the second locking member can move axially between the locked state and the unlocked state, and the moving direction of the two from the locked state to the unlocked state is the same.

5. A reversible child's vehicle according to claim 4, wherein, The linkage member is fixedly connected with the second locking member and penetrates the second joint element.

6. A reversible child's vehicle according to claim 2, wherein, The first joint element, the second joint element and the third joint element are coaxially rotationally connected.

7. A reversible child's vehicle according to claim 2, wherein, The child carrier can rotate relative to the side frame and can unlock the first locking member during rotation.

8. A reversible child's vehicle according to claim 7, characterised in that, A third locking member is arranged between the side frame and the child carrier to limit the rotation of the child carrier.

9. A reversible child's vehicle according to claim 8, characterised in that, The child carrier is a seat, which comprises a seat part and a backrest part rotationally connected, the seat part can rotate relative to the side frame, and the backrest part can unlock the third locking member when it rotates to close to the seat part. Adapters are arranged on both sides of the child carrier, and an adapter seat is arranged on the side frame, the adapter can rotate relative to the adapter seat when the adapter and the adapter seat are combined.

10. The reversible child's vehicle of claim 1 wherein, An unlocking member is arranged on the handle assembly to separately unlock the second locking member.

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