CN217778723U

CN217778723U - Children's barrow

Info

Publication number: CN217778723U
Application number: CN202222186644.7U
Authority: CN
Inventors: 胡扣贞
Original assignee: Kunshan Aisibeier Children's Products Co ltd
Current assignee: Kunshan Aisibeier Children's Products Co ltd
Priority date: 2022-08-18
Filing date: 2022-08-18
Publication date: 2022-11-11
Anticipated expiration: 2032-08-18

Abstract

The utility model provides a children's shallow, includes the frame, set up in the front wheel subassembly and the rear wheel subassembly of frame bottom, every side support includes fore-stock, after-poppet, the seat pole that length extends along the front and back, be provided with cross-brace frame between the after-poppet of both sides about, fore-stock passes through a pivot with the upper end of after-poppet and connects, the setting is rotated mutually to the lower part of the fore-stock of both sides about, the anterior rotation of the seat pole of every side sets up on corresponding fore-stock, the rear portion rotates and sets up on cross-brace frame. In the process of stretching the cross-support frame left and right, the front support and the rear support are stretched by driving the seat rod, and the front ends of the two sides are stretched by the rear support, so that the front supports are rotationally arranged, the whole vehicle rods are small in quantity, simple in structure and stable in unfolding, and the seat rod can participate in deformation in a triangular relation formed by the front support and the rear support and deformation of the cross-support frame, namely, the hand feeling of a user during the process of driving the frame or folding the frame is smooth.

Description

Children's barrow

Technical Field

The utility model relates to a children's shallow.

Background

In the prior art, there are many stroller with folding structure, the number of the frame members of each stroller is different, the connection positions between the rods are different, so the folding principle is different from the folding manner, and the folding effect is also different, for example, patent document CN204309869 discloses a foldable stroller with an umbrella handle, the frame of which comprises side brackets at both sides, and a support frame which is arranged between the side brackets at both sides and can be folded transversely, the side brackets comprise a front bracket provided with the front wheel assembly at the bottom, a rear bracket provided with the rear wheel assembly at the bottom, and a seat rod extending in the front-rear direction, the front bracket, the rear bracket, and the seat rod are connected with each other to form a triangular three-link mechanism, two of the three joints of the three components are connected in a rotating manner, the other joint can be connected in a sliding manner and a rotating manner through a sliding member, a rear support frame which can be folded left and right is arranged between the rear brackets at both sides, and a bottom support frame which can be folded is arranged between the rear brackets at both sides and the front brackets at both sides.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a children's shallow.

In order to solve the technical problem, the utility model discloses a technical scheme is: the utility model provides a children's shallow, including the frame that has expansion state and fold condition, set up in front wheel subassembly and rear wheel subassembly, be used for with the frame locking is in expansion state's locking mechanical system, the frame is including the side support that is located left and right sides portion, every side the side support includes that the bottom is provided with the fore-stock, the bottom of front wheel subassembly are equipped with the rear carriage of rear wheel subassembly, the seat pole that length extends around along, the fore-stock with the upper end of rear carriage is through a pivot connection, the left and right sides the lower part of fore-stock rotates mutually and sets up, every side the rear support is last to be provided with the slider along its length direction slip, the left and right sides the slider and be provided with between the rear carriage lower part cross-frame, every side the anterior rotation of seat pole set up correspondingly on the fore-stock, the rear portion rotate set up on the cross-frame to, every side the seat pole respectively with the fore-stock, two places of cross-frame rotate the setting department, wherein at least one department can set up in two crossing planar directions with rotating.

In some embodiments, the front seat bar portion of each side is pivotally connected to the front bracket by a two-axis pivot, and the rear seat bar portion of each side is pivotally connected to the cross-frame in two intersecting planar directions.

In some embodiments, the two intersecting plane directions are rotationally arranged by means of a spherical joint or by means of a revolute joint head having two rotation axes which intersect or are perpendicular.

In some embodiments, the cross frame comprises a first support rod and a second support rod, one end of each support rod is pivotally connected to the left and right sliders, and the rear portion of the seat rod on each side is rotatably disposed on the first support rod and the second support rod on the corresponding side.

In some embodiments, the first stay bar and the second stay bar cross each other and are pivotally connected at the crossing by two shafts, one end of the first stay bar and one end of the second stay bar are respectively pivotally connected to the left and right sliders by two shafts, and the other end of the first stay bar and the other end of the second stay bar are respectively pivotally connected to the lower portions of the right and left rear brackets by two shafts.

In some embodiments, the rear portions of the seat post on the left and right sides and the corresponding first and second support rods are rotatably disposed in two intersecting plane directions by a rotating joint head.

In some embodiments, the two biaxial shafts of each side are respectively located above the rotational joint head of the corresponding side.

In some embodiments, the locking mechanism is a rear cross brace lock lever provided between lower portions of the rear brackets on both left and right sides.

In some embodiments, the rear portion of the seat post is displaced upwardly with the cross frame as it folds side-to-side and extends upwardly during folding of the frame.

The scope of the present invention is not limited to the technical solutions formed by specific combinations of the above technical features, and other technical solutions formed by arbitrary combinations of the above technical features or equivalent features should be covered. For example, the above features and the technical features (but not limited to) having similar functions disclosed in the present application are mutually replaced to form the technical solution.

Because of the application of the technical scheme, compared with the prior art, the utility model has the advantages of it is following: in the process of stretching the cross-support frame left and right, the front support and the rear support are stretched by driving the seat rod, and the front ends of the two sides are stretched by the rear support, so that the front supports are rotationally arranged, the whole vehicle rods are small in quantity, simple in structure and stable in unfolding, and the seat rod can participate in deformation in a triangular relation formed by the front support and the rear support and deformation of the cross-support frame, namely, the hand feeling of a user during the process of driving the frame or folding the frame is smooth.

Drawings

FIG. 1 is a perspective view of a vehicle frame;

FIG. 2 is a side elevational schematic view of the frame in the deployed position;

FIG. 3 is a side elevational schematic view of the vehicle frame in the folded position;

FIG. 4 is a rear schematic view of the frame in the deployed position;

FIG. 5 is a rear schematic view of the frame in a folded position;

wherein: 1. a side bracket; 11. a front bracket; 12. a rear bracket; 13. a seat post; 14. rotating the joint head; 15. a slider; x11, one axis; x12, a second axis; 2. a cross-brace; 21. a first stay bar; 22. a second stay bar; x21, two axes; x22, two biaxial; x23, two-three axis; 3. a rear cross brace lock rod; 4. a front wheel assembly; 5. a rear wheel assembly.

Detailed Description

Shown in the figures, the child stroller comprises a frame with an unfolded state and a folded state, a front wheel assembly 4 and a rear wheel assembly 5 which are arranged at the bottom of the frame, and a locking mechanism for locking the frame in the unfolded state.

The frame includes the side support 1 that is located left and right sides portion, and every side support 1 includes:

the lower portions of the front frame 11 on the left and right sides of the front frame 11 are directly pivotally connected by a single pivot axis X31 extending in the front-rear direction, or are pivotally connected by two side portions of the middle pedal member to form a pivotal arrangement. The front wheel assembly 4 can be a single group and is arranged on the extension part of the lower end part of one of the front brackets or arranged below the middle pedal; or two groups of the front brackets are respectively arranged on the downward extending parts at the pivot intersection of the lower end parts of the two front brackets. In the embodiment, a flexible plastic sheath is covered above the rotary joint of the front brackets at the two sides to cover the pivot;

a rear bracket 12 having a rear wheel assembly 5 at the bottom, a front bracket 11 pivotally connected to the upper end of the rear bracket 12 via a shaft X11, a slider 15 slidably provided on the rear bracket 12 at each side along the length thereof,

the seat bar 13, which extends lengthwise in the forward and rearward direction, is pivoted at the front to the respective front bracket 11 by means of a two-axis X12.

The frame also comprises a cross-support frame 2 which is arranged between the left and right rear supports 12, specifically between the lower parts of the two rear supports 12 and two sliders 15, the cross-support frame 2 is formed by a first support rod 21 and a second support rod 22 which are crossed and connected through two-axis X21 pivots at the crossed part, the upper ends of the first support rod 21 and the second support rod 22 are respectively connected with the sliders 15 at the left and right sides through two-axis X22 pivots, the lower ends of the first support rod 21 and the second support rod 22 are respectively connected with the lower parts of the right and left rear supports 12 through two-axis X23 pivots,

the rear part of each seat post 13 is rotatably disposed on the upper part of the corresponding first stay 21 or the upper part of the second stay 22 by means of the rotary joint head 14. The two biaxial directions X22 of each side are respectively located above the revolute joint head 14 of the corresponding side. The seat rod is convenient to unfold and fold and drive, the cross support frame 2 is folded left and right and extends upwards in the folding process, and the rear part of the seat rod 13 moves upwards together with the process that the cross support frame 2 is folded left and right and extends upwards.

The lock mechanism is a mechanism necessary for a frame of a stroller, and theoretically, the entire stroller can be locked by locking any or a plurality of turning points between the folding mechanisms, and in this embodiment, a conventional lock mechanism is also used, and the lock mechanism is a rear cross lock lever 3 provided between lower portions of rear brackets on both left and right sides, and this mechanism is also disclosed in patent publication No. CN 1751935A.

When the cross-support frame is opened from side to side, the rear part of the seat rod 13 is displaced downwards along with the process that the cross-support frame 2 is opened from side to side and is contracted and lowered, so that the front support and the rear support are opened from front to back, and meanwhile, the front supports rotatably arranged at the front ends of the two sides are opened from side to side through the rear support, so that the frame is unfolded. The whole vehicle has few rod pieces, simple structure and stable unfolding, and the seat rod can participate in the deformation in the triangular relation formed by the front bracket and the rear bracket and the deformation relation with the cross-support frame more smoothly through the rotating joint head 14, so that a user can feel smooth in the process of unfolding or folding the vehicle frame.

The second embodiment is not shown in the figure, and the difference between the second embodiment and the first embodiment is that: the cross frame in the first embodiment is a single X-shaped frame formed by a first support rod and a second support rod, and the second embodiment is a double X-shaped frame formed by connecting two groups of X-shaped frames between the lower parts of rear supports on two sides and two sliding parts and connecting the two groups of single X-shaped frames in an up-and-down rotating manner.

The third embodiment is not shown in the drawings, and the difference between the third embodiment and the first embodiment is as follows: the cross-support frame can also adopt a father character support, namely the cross-support frame comprises a first support rod and a second support rod, one end part of the first support rod and one end part of the second support rod are respectively connected with the sliders at the left side and the right side in a pivot mode, the cross-support frame also comprises a third support rod and a fourth support rod, the middle parts of the third support rod and the fourth support rod are crossed and are connected with the pivot mode, the upper end parts of the third support rod and the fourth support rod are respectively connected with the other end parts of the first support rod and the second support rod in a pivot mode, and the lower end parts of the third support rod and the fourth support rod are respectively connected with the lower parts of the rear supports at the left side and the right side in a pivot mode.

It should be understood that the above-mentioned embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the present invention is to enable those skilled in the art to understand the content of the present invention and implement the present invention, and the protection scope of the present invention cannot be limited thereby. All modifications made according to the spirit of the main technical scheme of the present invention shall be covered within the protection scope of the present invention.

Claims

1. The utility model provides a children's shallow, including have the frame of expansion state and fold condition, set up in front wheel subassembly (4) and rear wheel subassembly (5) of frame bottom, be used for with the frame locking is in the locking mechanical system of expansion state, the frame is including side support (1) that are located left and right sides portion, every side support (1) are provided with including the bottom front support (11), the bottom of front wheel subassembly (4) are equipped with rear support (12), the seat pole (13) that length along the front and back extension of rear wheel subassembly (5), front support (11) with the upper end of rear support (12) is through an axle (X11) pivot connection, its characterized in that: the lower parts of the front supports (11) on the left side and the right side are rotatably arranged, the rear supports (12) on each side are provided with sliders (15) in a sliding mode along the length direction of the rear supports, the sliders (15) on the left side and the right side and cross frames (2) are arranged between the lower parts of the rear supports (12), the front parts of the seat rods (13) on each side are rotatably arranged on the corresponding front supports (11), the rear parts of the seat rods are rotatably arranged on the cross frames (2), the seat rods (13) on each side are rotatably arranged at two positions of the front supports (11) and the cross frames (2), and at least one position of the seat rods can be rotatably arranged in two crossed plane directions.

2. The stroller of claim 1, wherein: the front part of the seat rod (13) at each side is pivotally connected with the front bracket (11) through a two-axis (X12), and the rear part of the seat rod (13) at each side and the cross frame (2) can be rotatably arranged in two intersecting plane directions.

3. The stroller of claim 1, wherein: is arranged rotatably in the direction of two intersecting planes by means of a spherical joint or by means of a rotary joint head (14) having two axes of rotation which intersect or are perpendicular to one another.

4. The stroller of claim 1, wherein: the cross support frame (2) comprises a first support rod (21) and a second support rod (22) of which one end is respectively in pivot connection with the sliders (15) on the left side and the right side, and the rear part of the seat rod (13) on each side is respectively arranged on the first support rod (21) and the second support rod (22) on the corresponding side in a rotating manner.

5. The stroller of claim 4, wherein: first vaulting pole (21) second vaulting pole (22) cross mutually to through two axle (X21) pivotal connection at the intersection, first vaulting pole (21) one end of second vaulting pole (22) is respectively through two axle (X22) pivotal connection with slider (15) of the left and right sides, first vaulting pole (21) another end of second vaulting pole (22) is respectively through two triaxial (X23) pivotal connection with the lower part of right and left sides rear bracket (12).

6. The stroller of claim 5, wherein: the rear parts of the seat rods (13) on the left side and the right side are respectively and rotatably arranged with the corresponding first support rod (21) and the second support rod (22) in two intersected plane directions through a rotating joint head (14).

7. The stroller of claim 6, wherein: the two axes (X22) of each side are respectively located above the revolute joint head (14) of the corresponding side.

8. The stroller of claim 7, wherein: the locking mechanism is a rear cross brace locking rod (3) arranged between the lower parts of the rear brackets at the left side and the right side.

9. The stroller of claim 1, wherein: when the frame is folded, the rear part of the seat rod (13) moves upwards along with the cross support frame (2) in the process of folding left and right and extending upwards.