CN210502830U

CN210502830U - Children's barrow

Info

Publication number: CN210502830U
Application number: CN201920736053.8U
Authority: CN
Inventors: 孙长华
Original assignee: Shanghai Baotang Technology Co ltd
Current assignee: Shanghai Baotang Technology Co ltd
Priority date: 2019-05-21
Filing date: 2019-05-21
Publication date: 2020-05-12
Anticipated expiration: 2029-05-21

Abstract

The application provides a child stroller, which comprises a first support rod, a second support rod, a wheel assembly, a first connecting rod, a second connecting rod, a seat rod, a push rod, a connecting assembly, a locking assembly and an unlocking assembly, wherein the second support rod is pivoted to the first support rod; the wheel assembly is arranged on the first supporting rod and the second supporting rod and used for supporting the first supporting rod and the second supporting rod; the first connecting rod and the second connecting rod are respectively pivoted on the second supporting rod; the seat rod is supported by a second support rod and a second connecting rod; the push rod is pivoted with the first connecting rod; the connecting component is pivoted to the first supporting rod and the second supporting rod and is used for supporting the second connecting rod; the locking assembly is connected with the push rod and the second connecting rod, has a locking state and an unlocking state, prevents the push rod from rotating relative to the second connecting rod in the locking state, and allows the push rod to rotate relative to the second connecting rod in the unlocking state; the unlocking assembly is used for controlling the state of the locking assembly. The folding action can be finished by one hand, and the folding process is simple and convenient.

Description

Children's barrow

Technical Field

The application relates to children's supplies, especially relates to a children's shallow.

Background

The baby stroller is a travel tool designed for infants, and is convenient for adults to carry the infants when the adults go out. Stroller designs are typically foldable mechanisms for easy carrying and storage. The existing foldable baby stroller generally needs two hands and multiple steps of operation, when an infant is accompanied by only one adult, the adult needs to hold the baby with one hand and fold or unfold the baby stroller with the other hand, so that the operation is difficult and the use is inconvenient.

SUMMERY OF THE UTILITY MODEL

The application provides a children's shallow convenient to singlehanded folding.

The application provides a child stroller, which comprises a first supporting rod, a second supporting rod, a wheel assembly, a first connecting rod, a second connecting rod, a seat rod, a push rod, a connecting assembly, a locking assembly and an unlocking assembly, wherein the second supporting rod is pivoted to the first supporting rod; the wheel assembly is arranged on the first supporting rod and the second supporting rod and supports the first supporting rod and the second supporting rod; the first connecting rod and the second connecting rod are respectively pivoted on the second supporting rod; the seat rod is supported by the second support rod and the second connecting rod; the push rod is pivoted to the first connecting rod; the connecting component is pivoted to the first supporting rod and the second supporting rod and is used for supporting the second connecting rod; the locking assembly is connected with the push rod and the second connecting rod and has a locking state and an unlocking state, the locking assembly prevents the push rod from rotating relative to the second connecting rod in the locking state and allows the push rod to rotate relative to the second connecting rod in the unlocking state; the unlocking assembly is used for controlling the state of the locking assembly.

Further, the unlocking assembly is mounted on the push rod.

Further, coupling assembling includes the third connecting rod of pin joint in first bracing piece, pin joint in the fourth connecting rod of second bracing piece and the fifth connecting rod of pin joint in the second connecting rod, third connecting rod and fourth connecting rod pin joint, fourth connecting rod and fifth connecting rod pin joint.

Furthermore, the length of the third connecting rod is greater than that of the fourth connecting rod and less than that of the fifth connecting rod.

Further, the stroller comprises a holding rod, and the holding rod is supported by the first connecting rod and the second connecting rod.

Furthermore, the stroller comprises a connecting piece, the connecting piece comprises a rotating part pivoted to the first connecting rod and a fixing part sleeved on the holding rod, and when the locking assembly is in an unlocking state, the holding rod and the connecting piece can rotate relative to the first connecting rod.

Furthermore, the stroller comprises a sixth connecting rod, and the sixth connecting rod is respectively pivoted to the seat rod and the second connecting rod.

Furthermore, the stroller comprises a bridging element, the bridging element comprises an installation part fixed on the push rod and a pivot part pivoted with the first connecting rod, and the pivot part extends from the installation part to the direction far away from the push rod.

Furthermore, the unlocking assembly comprises an operating element and a transmission structure connected with the operating element, the locking assembly comprises a first joint connected with the push rod, a second joint connected with the second connecting rod and a locking element arranged in the first joint and the second joint, and when the operating element is not operated, the locking element is positioned at a locking position to prevent the first joint from rotating relative to the second joint; when the transmission structure is driven by the operating element, the transmission structure drives the locking element to move from the locking position to the unlocking position, and the first joint is allowed to rotate relative to the second joint.

Further, the stroller includes a secondary lock member mounted to the push rod, the secondary lock member having a first position preventing movement of the operating member and a second position allowing movement of the operating member.

The children's shallow in this application removes the locking state of locking subassembly through operation unblock subassembly, and it can be folded push rod, first connecting rod, second connecting rod, first bracing piece, second bracing piece isotructure to apply the effort simultaneously, and folding action can be accomplished to the one hand, and folding process is simple convenient.

Drawings

FIG. 1 is a perspective view of one embodiment of a stroller of the present application;

FIG. 2 is a side schematic view of the stroller shown in FIG. 1;

FIG. 3 is an exploded view of the latch member and the unlatching assembly of the stroller of FIG. 1, with only a portion of the tow cable shown;

fig. 4-5 are side views of the stroller shown in fig. 1 during folding.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus consistent with certain aspects of the present application, as detailed in the appended claims.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the description and in the claims does not indicate any order, quantity, or importance, but rather is used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. "plurality" or "a number" means two or more. The word "comprising" or "comprises", and the like, means that the element or item listed as preceding "comprising" or "includes" covers the element or item listed as following "comprising" or "includes" and its equivalents, and does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. As used in this specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

Referring to fig. 1 to 5, the present application provides a stroller, which includes a first support rod 11, a second support rod 12, a wheel assembly 20, a first link 31, a second link 32, a seat rod 50, a push rod 41, a connecting assembly 60, a locking assembly 80, and an unlocking assembly 90. The second support rod 12 is pivotally connected to the first support rod 11, the wheel assembly 20 is mounted on the first support rod 11 and the second support rod 12, and the wheel assembly 20 supports the first support rod 11 and the second support rod 12; the first connecting rod 31 and the second connecting rod 32 are respectively pivoted to the second supporting rod 12; the seat bar 50 is supported by the second support bar 12 and the second link 32; the push rod 41 is pivoted to the first connecting rod 31; the connecting assembly 60 is pivotally connected to the first support rod 11 and the second support rod 12 and is used for supporting the second connecting rod 32; the locking assembly 80 is connected with the push rod 41 and the second connecting rod 32, the locking assembly 41 has a locking state and an unlocking state, the locking assembly prevents the push rod 41 from rotating relative to the second connecting rod 32 in the locking state, and allows the push rod 41 to rotate relative to the second connecting rod 32 in the unlocking state; the unlocking assembly 90 is used to control the state of the locking assembly 80.

Please refer to fig. 1 and 2, in which the stroller is in the unfolded state. In this embodiment, the first support rods 11 are front support rods, the two first support rods 11 are connected by a first connecting rod 13, the second support rods 12 are rear support rods, the two second support rods 12 are connected by a second connecting rod 14, and the first connecting rod 13 and the second connecting rod 14 are used for absorbing the transverse stress of the stroller. A wheel assembly 20 is connected below each first support rod 11 or second support rod 12, and the first support rod 11 and the second support rod 12 are used for supporting the whole cart structure.

The seat rod 50 is used for sleeving seat cloth, and the rear end of the seat rod 50 is pivoted to the second connecting rod 32. Meanwhile, the seat rod 50 is connected with the first connecting rod 31 through a supporting rod 51, and two ends of the supporting rod 51 are respectively pivoted to the second connecting rod 32 and the seat rod 50, so that the first connecting rod 31 and the second connecting rod 32 support the seat rod 50.

In this embodiment, the stroller includes a handle 71 for holding an infant while riding the stroller. The rest bar 71 is supported by the first link 31 and the second link 32. Optionally, the stroller includes a connecting member 72, the connecting member 72 includes a rotating portion 721 pivotally connected to the first link 31 and a fixing portion 722 sleeved on the holding rod 71, and when the locking assembly 80 is in the unlocking state, the holding rod 71 and the connecting member 72 can rotate relative to the first link 31, so as to switch the stroller to the folding state. The stroller comprises a sixth link 73, the sixth link 73 is respectively pivoted to the support rod 71 and the second link 32, that is, the second link 32 supports the support rod 71 through the sixth link 73. When the holding rod 71 and the connecting member 72 rotate relative to the first link 31, the holding rod 71 simultaneously rotates relative to the sixth link 73, and the sixth link 73 rotates relative to the second link 32.

The first link 31 and the second link 32 are both supported by the second support bar 11 in a pivot manner. The second connecting rod 32 is further connected to the first supporting rod 11 through the connecting assembly 60, so that the first supporting rod 11 supports the second connecting rod 32. Referring to fig. 2, the connecting assembly 60 includes a third connecting rod 61 pivotally connected to the first supporting rod 11, a fourth connecting rod 62 pivotally connected to the second supporting rod 12, and a fifth connecting rod 63 pivotally connected to the second connecting rod 32, wherein the third connecting rod 61 is pivotally connected to the fourth connecting rod 62, and the fourth connecting rod 62 is pivotally connected to the fifth connecting rod 63. The length of the third link 61 is greater than the length of the fourth link 62 and less than the length of the fifth link 63, so that the third link 61, the fourth link 62 and the fifth link 63 are prevented from freely rotating due to size influence when the locker element is in the unlocked state.

The first link 31 is pivotably connected to the push rod 41 through a bridge member 42, the bridge member 42 includes a mounting portion 421 fixed to the push rod 41 and a pivot portion 422 pivotally connected to the first link 31, and the pivot portion 422 extends from the mounting portion 421 to a direction away from the push rod 41, so as to raise the first push rod 31, thereby preventing the locking assembly 80 from affecting the rotation of the first link 31 relative to the push rod 41.

Referring to fig. 3, the locking assembly 80 includes a first joint 81 connected to the push rod 41, a second joint 82 connected to the second link 32, and a locking element 83 disposed in the first joint 81 and the second joint 82, and the bridging element 42 and the first joint 81 are integrally formed. In this embodiment, the number of the locking assemblies 80 is two, the number of the unlocking assemblies 90 is also two, and the two unlocking assemblies 90 share one operating element, and only one locking assembly 80 and one unlocking assembly 90 are illustrated in fig. 3. The first joint 81 has a first space (not shown), the second joint 82 has a second space 821, and the shape of the first space and the second space 821 is consistent with the shape of the locking element 83. The locking element 83 has a locking position located in the first and second spaces 821 and an unlocking position located only in the second space 821. When the locking element 83 is located at the locking position, the locking element 83 is simultaneously engaged with the first joint 81 and the second joint 82, so as to prevent the first joint 81 from rotating relative to the second joint 82, i.e. prevent the push rod 41 from rotating relative to the second link 32; when the locking element 83 is located at the unlocking position, the locking element 83 is only engaged with the second joint 82, and the first joint 81 and the second joint 82 are not limited, so that the first joint 81 is allowed to rotate relative to the second joint 82, that is, the push rod 41 is allowed to rotate relative to the second connecting rod 32.

The unlocking assembly 90 is mounted on the push rod 41, and includes an upper shell 91 and a lower shell 92 sleeved on the push rod 41, an operating element 93 mounted on the upper shell and the lower shell, and a transmission structure connected with the operating element 93, when the operating element 93 is not operated, the locking element 83 is located at a locking position, and the first joint 81 is prevented from rotating relative to the second joint 82; when the transmission structure is driven by the operating element 93, the transmission structure drives the locking element 83 to move from the locking position to the unlocking position, and the first joint 81 is allowed to rotate relative to the second joint 82. Optionally, the transmission mechanism includes a roller 95 abutting against the operating element 93, a pulling cable 96 connected to the roller, and an unlocking rotation member 97, the roller 95 has a protrusion abutting against the operating element 93 and is installed in the push rod 41 through the installation element 94, the pulling cable 96 is disposed in the push rod 41, and the unlocking rotation member 97 has a spiral surface for driving the locking element 83 to move horizontally from the locking position to the unlocking position when rotating. The return of the locking element 83 from the unlocking position into the locking position can be achieved by a return spring (not shown), which is optionally provided between the operating element 93 and the upper and

lower shells

91, 92.

Optionally, the stroller further comprises a second lock element 70 disposed on the push rod, wherein the second lock element 70 has a first position preventing the operation element 93 from moving and a second position allowing the operation element 93 to move. The second locking element comprises an operation part 71 and a pressing part 72 connected with the operation part 71, and a user can realize the position switching of the second locking element 70 by pressing the operation part 71. When the secondary lock element 70 is located at the first position, the pressing portion 72 presses against the operating element 93 to prevent the operating element 93 from moving, and when the secondary lock element 70 is located at the second position, the pressing portion 72 does not contact the operating element 93. The second locking element 70 prevents the stroller from being folded accidentally by the user touching the operation element 93, thereby preventing the infant seated in the stroller from being injured.

When the locking assembly 80 is in the locking state, the push rod 41, the second support rod 12, the first link 31 and the second link 32 form a triangular stable structure. In addition, the first support bar 11, the second support bar 12, the third link 61, and the fourth link 62 constitute a stable triangular structure. That is, when the locking assembly 80 is in the locked state, the entire stroller is in a stable unfolded state.

Referring to fig. 4 and 5, when the stroller needs to be folded, the two locking elements 70 are switched to the second position, and then the operation element 93 is operated to unlock the structures, and meanwhile, a certain force is applied to the push rod forward, so that the folding of the entire stroller can be achieved by one hand, the folding process is simple and convenient, and the folding state is as shown in fig. 5. When the stroller is required to be unfolded, the entire stroller can be unfolded by applying an upward force, and the second locking element 70 is switched to the first position after the unfolding.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the scope of protection of the present application.

Claims

1. A stroller, characterized in that it comprises:

a first support bar (11);

a second support bar (12) pivoted to the first support bar (11);

a wheel assembly (20) mounted on the first support rod (11) and the second support rod (12), the wheel assembly supporting the first support rod (11) and the second support rod (12);

a first connecting rod (31) and a second connecting rod (32) which are respectively pivoted on the second supporting rod (12);

a seat lever (50) supported by the second support bar (12) and the second link (32);

a push rod (41) pivoted to the first link (31);

a connecting assembly (60) which is pivoted to the first support rod (11) and the second support rod (12) and is used for supporting the second connecting rod (32);

a locking assembly (80) connecting the push rod (41) and the second link (32), the locking assembly (80) having a locked state in which the push rod (41) is prevented from rotating relative to the second link (32) and an unlocked state in which the push rod (41) is allowed to rotate relative to the second link (32);

an unlocking assembly (90) for controlling the state of the locking assembly (80).

2. The stroller of claim 1, wherein: the unlocking assembly (90) is mounted to the push rod (41).

3. The stroller of claim 1, wherein: coupling assembling (60) are including pin joint in third connecting rod (61) of first bracing piece (11), pin joint in fourth connecting rod (62) of second bracing piece (12) and pin joint in fifth connecting rod (63) of second connecting rod (32), third connecting rod (61) and fourth connecting rod (62) pin joint, fourth connecting rod (62) and fifth connecting rod (63) pin joint.

4. The stroller of claim 3, wherein: the length of the third connecting rod (61) is greater than that of the fourth connecting rod (62) and less than that of the fifth connecting rod (63).

5. The stroller of claim 1, wherein: the stroller comprises a support rod (71), and the support rod (71) is supported by the first connecting rod (31) and the second connecting rod (32).

6. The stroller of claim 5, wherein: the stroller comprises a connecting piece (72), the connecting piece (72) comprises a rotating part (721) pivoted to the first connecting rod (31) and a fixing part (722) sleeved on the supporting rod (71), and when the locking assembly (80) is in an unlocking state, the supporting rod (71) and the connecting piece (72) can rotate relative to the first connecting rod (31).

7. The stroller of claim 1, wherein: the stroller comprises a sixth connecting rod (73), and the sixth connecting rod (73) is respectively pivoted on the seat rod (50) and the second connecting rod (32).

8. The stroller of claim 7, wherein: the stroller comprises a bridging element (42), the bridging element (42) comprises a mounting portion (421) fixed on the push rod (41) and a pivoting portion (422) pivoted with the first connecting rod (31), and the pivoting portion (422) extends from the mounting portion (421) to a direction away from the push rod (41).

9. The stroller of claim 1, wherein: the unlocking assembly (90) comprises an operating element (93) and a transmission structure connected with the operating element, the locking assembly (80) comprises a first joint (81) connected with the push rod (41), a second joint (82) connected with the second connecting rod (32) and a locking element (83) arranged in the first joint (81) and the second joint (82), and when the operating element (93) is not operated, the locking element (83) is located at a locking position to prevent the first joint (81) from rotating relative to the second joint (82); when the transmission structure is driven by an operating element (93), the transmission structure drives the locking element (83) to move from the locking position to the unlocking position, and the first joint (81) is allowed to rotate relative to the second joint (82).

10. The stroller of claim 9, wherein: the child stroller comprises a secondary lock element (70) mounted to the push rod (41), the secondary lock element (70) having a first position preventing movement of the operating element (93) and a second position allowing movement of the operating element (93).