A multi-form stroller

Abstract

The application discloses a multi-form baby stroller, which comprises a seat group, a front leg group, a rear leg group, a handle group and a base, the seat group comprises a seat main body and a backrest which are rotationally connected, the base is composed of a clamping seat and a mounting seat, the clamping seat is clamped on both sides of the mounting seat and rotationally connected with the mounting seat, the clamping seat is fixedly installed on the bottom of the seat main body, the front leg group, the rear leg group and the handle group are rotationally installed on the mounting seat, the mounting seat is symmetrically provided with a seat locking block and a handle locking block on both sides, and the mounting seat is provided with a front leg locking block on one side, and the seat locking block, the handle locking block and the front leg locking block are used for locking the seat group, the handle group and the front leg group respectively. The baby stroller can realize the transformation of multiple forms, including an unfolded form, a folded form and a dragging form, when being in the dragging form, the whole baby stroller does not need to be bent to drag or lifted, and the folded baby stroller can be easily dragged through the handle, so that the baby stroller is convenient to carry and more flexible and practical.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of baby strollers, in particular to a multi-form baby stroller. BACKGROUND

[0002] A baby stroller, also known as a child stroller or a baby carriage, is a vehicle for keeping and transporting infants and young children, which is mainly composed of a frame, a stroller handle and a baby seat. Most of the baby strollers on the market are foldable, which are used to transport infants and young children when unfolded, and are folded to facilitate storage. However, since the frame of the existing baby stroller is mainly made of aluminum alloy or steel, and the folding form is single, although the volume is smaller after folding, the weight is still relatively large, which causes difficulty in carrying. SUMMARY

[0003] To solve the above problems, the present application provides a multi-form baby stroller.

[0004] The present application adopts the following technical scheme:

[0005] A multi-form baby stroller, comprising a seat group, a front leg group, a rear leg group, a handle group and a base, the seat group comprising a seat body and a backrest connected by rotation, the base comprising a clamping seat and a mounting seat, the clamping seat being clamped on both sides of the mounting seat and being connected with the mounting seat by rotation, the clamping seat being fixedly installed on the bottom of the seat body, the front leg group, the rear leg group and the handle group being respectively rotatably installed on the mounting seat, the mounting seat being provided with a seat locking block and a handle locking block on both sides thereof symmetrically, one side of the mounting seat being provided with a front leg locking block, the seat locking block, the handle locking block and the front leg locking block being respectively used for locking the seat group, the handle group and the front leg group, the baby stroller being capable of forming any one of an unfolded form, a folded form or a dragging form by adjusting the relative positions of the seat group, the front leg group, the rear leg group and the handle group.

[0006] Further, the inner side of the clamping seat is provided with a seat lock slot, an arc-shaped front leg lock sliding groove and an arc-shaped handle lock sliding groove symmetrically, the seat locking block, the front leg locking block and the handle locking block being respectively clamped in the seat lock slot, the front leg lock sliding groove and the handle lock sliding groove.

[0007] Further, the seat body and the backrest are connected by a rotating joint, which is composed of a backrest gear slot, a seat gear slot, a pushing wheel and an adjusting gear, the adjusting gear is adapted to the backrest gear slot and the seat gear slot, the pushing wheel is located in the backrest gear slot, the bottom of the backrest gear slot and the inner side of the pushing wheel are respectively provided with a matching push gear, the adjusting gear is located between the backrest gear slot and the seat gear slot and outside the pushing wheel, the back of the backrest is provided with an adjusting pull handle, which pulls the pushing wheel to rotate through a first linkage wire.

[0008] Further, the inside of the clamping seat is movably provided with an arrow-shaped push block above the seat locking slot, the side of the arrow-shaped push block facing the seat locking block is provided with an inclined surface, the arrow-shaped push block pushes the seat locking block downward to make it exit the seat locking slot, so that the clamping seat and the mounting seat are in an unlocked state, the inner side of the seat locking block is provided with a spring for resetting the seat locking block.

[0009] Further, the inside of the seat body is provided with a driving member composed of a pull block and a driving block, the driving block is provided with an inclined surface matched with the top arrow of the arrow-shaped push block, the seat gear slot is fixed with a roller, the roller is fixed with a second linkage wire, the second linkage wire is used to pull the pull block to make the driving block push the arrow-shaped push block to move downward.

[0010] Further, the mounting seat is provided with a front leg clamping slot, the front leg group is provided with a movable spring block matched with the front leg clamping slot, the front end of the front leg locking block is located in the front leg lock sliding slot, the end of the front leg locking block is located in the front leg clamping slot, and the end of the front leg locking block is provided with an inclined surface facing the side of the movable spring block, when the clamping seat rotates forward relative to the mounting seat, the front leg locking block is slid to the end of the front leg lock sliding slot and exits the front leg lock sliding slot, at the same time, the end of the front leg locking block pushes into the front leg clamping slot and makes the movable spring block exit the front leg clamping slot, so that the front leg group and the mounting seat are in an unlocked state, the inner side of the movable spring block is provided with a spring for resetting the movable spring block.

[0011] Further, the handle group is composed of a handle joint and a handle, the handle joint is provided with a handle clamping groove, two sides of the mounting seat are symmetrically provided with a transverse strip-shaped groove, the handle locking block is composed of a push rod and a push block, the middle part of the push rod penetrates the push block, and two ends of the push rod respectively pass through the transverse strip-shaped groove and are inserted into the handle lock sliding groove, the push block is matched with the handle clamping groove, when the clamping seat rotates forward relative to the mounting seat, the push rod is driven to slide to the end of the handle lock sliding groove, and then the end of the handle lock sliding groove drives the push rod to slide forward along the transverse strip-shaped groove, so that the push block is out of the handle clamping groove, and then the handle group and the mounting seat are in an unlocked state, and the inner side of the push block is provided with a spring for resetting the push block.

[0012] Further, the mounting seat is further provided with a clamping block, the handle joint is provided with a dragging clamping hook, the dragging clamping hook is matched with the clamping block, the handle joint is further provided with a clamping hook storage box, the clamping hook storage box is provided with a window, the dragging clamping hook is movably arranged in the clamping hook storage box, and the end of the dragging clamping hook is connected with an unlocking button, the dragging clamping hook is pulled out or pressed into the window through the unlocking button.

[0013] Further, the two side surfaces of the front leg group are respectively provided with a front leg inclined groove, the inner side of the clamping seat is provided with a pin matched with the front leg inclined groove, and the pin slides along the front leg inclined groove.

[0014] Further, the seat group further comprises an armrest and a footrest, the armrest rotates at the connection position between the seat main body and the backrest, and the footrest is hingedly connected to the front side of the seat main body.

[0015] Compared with the background art, the present application has the following advantages after the above technical scheme is adopted:

[0016] The baby stroller can realize the transformation of multiple modes, including an unfolded mode, a folded mode and a dragging mode, wherein the dragging mode is a mode similar to a luggage case, at this time, the handle of the baby stroller serves as a dragging handle, without needing to bend down to drag or lift the whole baby stroller, the folded baby stroller can be easily dragged through the handle, thereby facilitating the carrying of the baby stroller and being more flexible and practical. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a whole structure diagram of the baby stroller of the present application;

[0018] Figure 2 It is an exploded structure diagram of the baby stroller of the present application;

[0019] Figure 3 It is an assembly structure diagram of the base of the present application;

[0020] Figure 4 exploded view of the base of the present invention;

[0021] Figure 5 exploded view of the seat group of the present invention;

[0022] Figure 6 exploded view of the rotating joint of the present invention (1);

[0023] Figure 7 exploded view of the rotating joint of the present invention (2);

[0024] Figure 8 internal structure view of the base of the present invention (1);

[0025] Figure 9 internal structure view of the base of the present invention (2);

[0026] Figure 10 front view of the mounting base of the present invention;

[0027] Figure 11 structure view of the front leg group of the present invention;

[0028] Figure 12 structure view of the rear leg group and mounting base combination of the present invention;

[0029] Figure 13 internal structure view of the mounting base of the present invention;

[0030] Figure 14 structure view of the handle group of the present invention;

[0031] Figure 15 assembly and exploded view of the towing hook and hook storage box of the present invention;

[0032] Figure 16 unfolded view of the stroller of the present invention;

[0033] Figure 17 folded view of the stroller of the present invention;

[0034] Figure 18 towing view of the stroller of the present invention.

[0035] BRIEF DESCRIPTION OF THE DRAWINGS:

[0036] 1. seat group

[0037] 11, seat body; 111, driving member; 112, second linkage wire; 12, backrest; 121, adjusting handle; 122, first linkage wire; 13, rotating joint; 131, backrest gear slot; 132, seat gear slot; 133, pushing wheel; 134, adjusting gear; 135, pushing tooth; 14, armrest; 15, footrest;

[0038] 2, front leg group;

[0039] 21, movable elastic block; 22, front leg inclined slot;

[0040] 3, rear leg group;

[0041] 4, handle group;

[0042] 41, handle joint; 411, handle clamping slot; 412, dragging clamping hook; 413, clamping hook storage box; 42, handle;

[0043] 5, base;

[0044] 51, clamping seat; 511, seat lock clamping slot; 512, front leg lock sliding slot; 513, handle lock sliding slot; 514, arrow-shaped pushing block; 515, pin; 52, mounting seat; 521, seat locking block; 522, handle locking block; 5221, pushing rod; 5222, pushing block; 523, front leg locking block; 524, front leg clamping slot; 525, transverse strip-shaped slot; 526, clamping block. DETAILED DESCRIPTION

[0045] In order to make the objectives, technical solutions and advantages of the present application clearer, the present application will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and do not limit the present application.

[0046] EMBODIMENT

[0047] As Figures 1-2As shown in the figure, a multi-form baby stroller comprises a seat group 1, a front leg group 2, a rear leg group 3, a handle group 4 and a base 5, the seat group 1 comprises a rotatingly connected seat body 11 and a backrest 12, the base 5 is composed of a clamping seat 51 and a mounting seat 52, the clamping seat 51 is clamped on both sides of the mounting seat 52 and is rotatingly connected with the mounting seat 52, the clamping seat 51 is fixedly installed on the bottom of the seat body 11, the front leg group 2, the rear leg group 3 and the handle group 4 are respectively rotatingly installed on the mounting seat 52, both sides of the mounting seat 52 are respectively symmetrically provided with a seat locking block 521 and a handle locking block 522, one side of the mounting seat 52 is provided with a front leg locking block 523, the seat locking block 521, the handle locking block 522 and the front leg locking block 523 are respectively used for locking the seat group 1, the handle group 4 and the front leg group 2, the baby stroller is adjusted in the relative positions of the seat group 1, the front leg group 2, the rear leg group 3 and the handle group 4 to form any one of an unfolded form, a folded form or a dragging form.

[0048] As shown in the figure, Figures 3-4 The inner side of the clamping seat 51 is symmetrically provided with a seat locking slot 511, an arc-shaped front leg locking sliding groove 512 and an arc-shaped handle locking sliding groove 513, the seat locking block 521, the front leg locking block 523 and the handle locking block 522 are respectively clamped in the seat locking slot 511, the front leg locking sliding groove 512 and the handle locking sliding groove 513.

[0049] As shown in the figure, Figures 5-7 The seat body 11 and the backrest 12 are rotatingly connected through a rotating joint 13, the rotating joint 13 is composed of a backrest gear groove 131, a seat gear groove 132, a pushing wheel 133 and an adjusting gear 134, the adjusting gear 134 is adapted to the backrest gear groove 131 and the seat gear groove 132, the pushing wheel 133 is located in the backrest gear groove 131, and the bottom of the backrest gear groove 131 and the inner side of the pushing wheel 133 are respectively provided with a pushing tooth 135 which is adapted thereto, the adjusting gear 134 is located between the backrest gear groove 131 and the seat gear groove 132 and is located outside the pushing wheel 133, the back side of the backrest 12 is provided with an adjusting pull handle 121, the adjusting pull handle 121 pulls the pushing wheel 133 to rotate through a first linkage steel wire 122.

[0050] As shown in the figure, Figures 8-9As shown, the inside of the clamping seat 51 is above the seat lock slot 511, and an arrow-shaped push block 514 is movably clamped, the side of the arrow-shaped push block 514 facing the seat locking block 521 is provided with a slope, the arrow-shaped push block 514 pushes the seat locking block 521 downward to make it exit the seat lock slot 511, and then the clamping seat 51 and the mounting seat 52 are in an unlocked state, the inside of the seat locking block 521 is provided with a spring for resetting the seat locking block 521.

[0051] The inside of the seat body 11 is provided with a driving piece 111 composed of a pull block and a driving block clamped with each other, the driving block is provided with a slope matched with the top arrow of the arrow-shaped push block 514, the seat gear slot 132 is fixed with a roller, the roller is fixed with a second linkage steel wire 112, the second linkage steel wire 112 is used to pull the pull block to make the driving block push the arrow-shaped push block 514 to move downward.

[0052] As shown, Figures 10-11 The mounting seat 52 is provided with a front leg clamping groove 524, the front leg group 2 is provided with a movable elastic block 21 matched with the front leg clamping groove 524, the front end of the front leg locking block 523 is located in the front leg lock sliding groove 512, the end of the front leg locking block 523 is located in the front leg clamping groove 524, and the end of the front leg locking block 523 is provided with a slope on the side facing the movable elastic block 21, when the clamping seat 51 rotates forward relative to the mounting seat 52, the front leg locking block 523 is slid to the end of the front leg lock sliding groove 512 and exits the front leg lock sliding groove 512, at the same time, the end of the front leg locking block 523 pushes into the front leg clamping groove 524 and makes the movable elastic block 21 exit the front leg clamping groove 524, and then the front leg group 2 and the mounting seat 52 are in an unlocked state, the inside of the movable elastic block 21 is provided with a spring for resetting the movable elastic block 21.

[0053] As shown, Figures 12-14As shown, the handle group 4 is composed of a handle joint 41 and a handle group 4, the handle joint 41 is provided with a handle clamping groove 411, two sides of the mounting seat 52 are symmetrically provided with transverse strip-shaped grooves 525, the handle locking block 522 is composed of a push rod 5221 and a push block 5222, the middle part of the push rod 5221 penetrates the push block 5222, and two ends of the push rod 5221 respectively pass through the transverse strip-shaped grooves 525 and are inserted into the handle lock sliding groove 513, the push block 5222 is matched with the handle clamping groove 411, when the clamping seat 51 rotates forward relative to the mounting seat 52, the push rod 5221 is driven to slide to the end of the handle lock sliding groove 513, and then the end of the handle lock sliding groove 513 drives the push rod 5221 to slide forward along the transverse strip-shaped groove 525, so that the push block 5222 exits the handle clamping groove 411, and then the handle group 4 and the mounting seat 52 are in an unlocked state, the inner side of the push block 5222 is provided with a spring for resetting the push block 5222.

[0054] As shown in Figure 15 As shown, the mounting seat 52 is further provided with a clamping block 526, and the handle joint 41 is provided with a dragging clamping hook 412, the dragging clamping hook 412 is matched and clamped with the clamping block 526.

[0055] The handle joint 41 is further provided with a clamping hook storage box 413, the clamping hook storage box 413 is provided with a window, the dragging clamping hook 412 is movably placed in the clamping hook storage box 413, and the end of the dragging clamping hook 412 is connected with an unlocking button, the dragging clamping hook 412 is made to enter or exit the window by pulling out or pressing down the unlocking button.

[0056] The seat group 1 further includes an armrest 14 and a footrest 15, the armrest 14 is rotatable at the connection between the seat main body 11 and the backrest, and the footrest 15 is hingedly connected to the front side of the seat main body 11.

[0057] As shown in Figure 11 and Figure 16 As shown, the two side surfaces of the front leg group 2 are respectively provided with front leg inclined grooves 22, the inner side of the clamping seat 51 is provided with a pin 515 matched with the front leg inclined grooves 22, and the pin 515 slides along the front leg inclined grooves 22.

[0058] The baby stroller of the embodiment can be changed into multiple forms, including an unfolded form, a folded form and a dragging form, and the folding method of each form is as follows:

[0059] 1. Unfolded form: as shown in Figure 16As shown, the seat group 1 is unfolded relative to the rear leg group 3, and during the unfolding process, the pin 515 inside the clamping seat 51 slides forward along the front leg inclined groove 22 on both sides of the front leg group 2, thereby driving the front leg group 3 to unfold relative to the clamping seat 51 and the rear leg group 3, until the seat locking block 521, the front leg locking block 523 and the handle locking block 522 are respectively locked on the seat group 1, the front leg group 2 and the handle group 4, so that the seat group 1, the front leg group 2 and the handle group 4 are respectively in a locked state with the base 5, that is, the unfolding of the stroller is completed, and at this time, the stroller is in the unfolded state as shown. Figure 1

[0060] ​2. Folded state: (1) folding backrest 12 to seat body 11: pull the adjusting handle 121 at the backrest 12, through the first linkage wire 122 to drive the push wheel 133 at the rotating joint 13 to rotate, since the push wheel 133 and the backrest gear slot 131 are provided with matching push gear 135, when the push wheel 133 rotates, under the push of the push gear 135, the push wheel 133 is pushed out, and the push wheel 133 pushes the adjusting gear 134 outwards, so that the adjusting gear 134 leaves the backrest gear slot 131 and completely enters the seat gear slot 132, at this time, the seat gear slot 132 and the backrest gear slot 131 are in an unlocked state, the backrest 12 can be adjusted to rotate forward or backward, forward is the folding direction; (2) folding seat body 11 forward: when the backrest 12 continues to fold forward, it will drive the roller to rotate to pull the second linkage wire 112, and then pull the pull block to make the driving block push the arrow-shaped push block 514 to move downward, and the inclined surface of the arrow-shaped push block 514 pushes the seat locking block 521 downward to make it exit the seat lock slot 511, and then make the clamping seat 51 and the mounting seat 52 be in an unlocked state, the clamping seat 51 drives the seat body 11 to rotate forward relative to the mounting seat 52, in addition, the armrest 14 and the footrest 15 are folded to the seat body 11 direction respectively; (3) folding of the front legs: since the clamping seat 51 rotates forward relative to the mounting seat 52, it drives the front leg locking block 523 to slide to the end of the front leg lock slot 512 and exit the front leg lock slot 512, at the same time, the end of the front leg locking block 523 pushes into the front leg slot 524, the inclined surface on the front leg locking block pushes the movable spring block 21 to make the movable spring block 21 exit the front leg slot 524, and then make the front leg group 2 and the mounting seat 52 be in an unlocked state, completing the folding of the front legs; (4) folding of the handle 42: when the clamping seat 51 rotates forward relative to the mounting seat 52, it drives the push rod 5221 to slide to the end of the handle lock slot 513, and then the end of the handle lock slot 513 drives the push rod 5221 to slide forward along the transverse slot 525, making the push block 5222 exit the handle slot 411, and then making the handle group 4 and the mounting seat 52 be in an unlocked state, folding the handle group 4 downward, thereby completing the folding of the stroller, at this time, the stroller is in a folded state as shown in Figure 17

[0061] 3. Dragging state: the stroller in the folded state is not convenient to drag and is difficult to carry, while the stroller of the embodiment can be changed to a dragging state, thereby facilitating dragging. Specifically, the handle group 4 of the stroller in the folded state is bent upward until the handle 42 abuts against the mounting seat 52, the unlocking button on the dragging hook 412 of the handle 42 is pulled out, the dragging hook 412 is stretched out of the window and clamped on the clamping block 526 of the mounting seat 52, forming a luggage box-like​Figure 18 towing state.

[0062] The above description is only the preferred embodiment of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A multi-configuration stroller, characterized by: The stroller comprises a seat group, a front leg group, a rear leg group, a handle group and a base, the seat group comprises a seat body and a backrest connected by rotation, the base comprises a clamping base and a mounting base, the clamping base is clamped on both sides of the mounting base and connected by rotation, the clamping base is fixedly installed on the bottom of the seat body, the front leg group, the rear leg group and the handle group are respectively installed on the mounting base by rotation, the mounting base is symmetrically provided with a seat locking block and a handle locking block on both sides, and the mounting base is provided with a front leg locking block on one side, the seat locking block, the handle locking block and the front leg locking block are respectively used for locking the seat group, the handle group and the front leg group, and the stroller is adjusted in relative positions of the seat group, the front leg group, the rear leg group and the handle group to form any one of an unfolded mode, a folded mode or a dragging mode. The inner side of the clamping base is symmetrically provided with a seat locking slot, an arc-shaped front leg locking sliding groove and an arc-shaped handle locking sliding groove, and the seat locking block, the front leg locking block and the handle locking block are respectively clamped in the seat locking slot, the front leg locking sliding groove and the handle locking sliding groove. The seat body and the backrest are connected by rotation through a rotating joint, the rotating joint comprises a backrest gear slot, a seat gear slot, a pushing wheel and an adjusting gear, the adjusting gear is adapted to the backrest gear slot and the seat gear slot, the pushing wheel is located in the backrest gear slot, the bottom of the backrest gear slot and the inner side of the pushing wheel are respectively provided with a pushing gear matched therewith, the adjusting gear is located between the backrest gear slot and the seat gear slot and outside the pushing wheel, the back of the backrest is provided with an adjusting pull handle, and the adjusting pull handle pulls the pushing wheel to rotate through a first linkage wire. An arrow-shaped pushing block is movably clamped above the seat locking slot in the clamping base, one side of the arrow-shaped pushing block facing the seat locking block is provided with an inclined surface, the arrow-shaped pushing block pushes the seat locking block downward to make it exit the seat locking slot, so that the clamping base and the mounting base are in an unlocked state, and the inner side of the seat locking block is provided with a spring for resetting the seat locking block. The seat body is internally provided with a driving member, the driving member comprises a pulling block and a driving block clamped with each other, the driving block is provided with an inclined surface matched with a top arrow of the arrow-shaped pushing block, a roller is fixedly arranged in the seat gear slot, a second linkage wire is fixedly arranged on the roller, and the second linkage wire is used for pulling the pulling block to make the driving block push the arrow-shaped pushing block to move downward.

2. A multi-configuration stroller as in claim 1, wherein: The front foot locking block is provided with a slope on the side facing the movable elastic block, when the clamping seat rotates forward relative to the mounting seat, the front foot locking block slides to the end of the front foot lock sliding groove and exits the front foot lock sliding groove, at the same time, the end of the front foot locking block pushes into the front foot clamping groove and makes the movable elastic block exit the front foot clamping groove, so that the front foot group and the mounting seat are in an unlocked state, the inner side of the movable elastic block is provided with a spring for resetting the movable elastic block.

3. A multi-configuration stroller as in claim 2, wherein: The handle group is composed of a handle joint and a handle, the handle joint is provided with a handle clamping groove, the mounting seat is symmetrically provided with a transverse strip-shaped groove on both sides, the handle locking block is composed of a push rod and a push block, the middle part of the push rod penetrates the push block, and both ends of the push rod pass through the transverse strip-shaped groove and are inserted into the handle lock sliding groove, the push block is matched with the handle clamping groove, when the clamping seat rotates forward relative to the mounting seat, the push rod slides to the end of the handle lock sliding groove, and then the end of the handle lock sliding groove drives the push rod to slide forward along the transverse strip-shaped groove, so that the push block exits the handle clamping groove, and then the handle group and the mounting seat are in an unlocked state, the inner side of the push block is provided with a spring for resetting the push block.

4. A multi-configuration stroller as in claim 3, wherein: The mounting seat is further provided with a clamping block, the handle joint is provided with a trailing clamping hook, the trailing clamping hook is matched with the clamping block, the handle joint is further provided with a clamping hook storage box, the clamping hook storage box is provided with a window, the trailing clamping hook is movably placed in the clamping hook storage box, and the end of the trailing clamping hook is connected with an unlocking button, the trailing clamping hook is pulled out or pressed into the window through the unlocking button.

5. A multi-configuration stroller as in claim 4, wherein: The two side surfaces of the front foot group are respectively provided with front foot inclined grooves, the inner side of the clamping seat is provided with pins matched with the front foot inclined grooves, and the pins slide along the front foot inclined grooves.

6. A multi-form stroller as in any of claims 1-5, wherein: The seat group further comprises an armrest and a footrest, the armrest rotates at the connection between the seat body and the backrest, and the footrest is hinged to the front side of the seat body.

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