CN112046590B

CN112046590B - Child cart

Info

Publication number: CN112046590B
Application number: CN202010854794.3A
Authority: CN
Inventors: 高翔; 陈健
Original assignee: Goodbaby Child Products Co Ltd
Current assignee: Goodbaby Child Products Co Ltd
Priority date: 2020-08-24
Filing date: 2020-08-24
Publication date: 2024-12-27
Anticipated expiration: 2040-08-24
Also published as: CN112046590A

Abstract

The invention relates to a child stroller, which comprises a frame, a seat pocket, a front wheel assembly and a rear wheel assembly, wherein the seat pocket, the front wheel assembly and the rear wheel assembly are rotatably connected with the frame through rotating shafts, the frame comprises side brackets and transverse connecting rods which are arranged on two sides, each side bracket comprises a front wheel bracket, a rear wheel bracket, side connecting rods and a push rod, each side connecting rod extends forwards along the approximately horizontal direction to form a side connecting rod horizontal section, the seat pocket comprises a seat part and a pedal connecting rod which is rotatably connected with the seat part, the pedal connecting rod has at least two working states, the first working state is that the pedal connecting rod is positioned at the front lower part of the seat part, the second working state is that the pedal connecting rod is approximately horizontally arranged, the pedal connecting rod is completely higher than the side connecting rod horizontal section, and when the seat pocket rotates, a gap exists between the seat pocket and the push rod even at the position closest to the push rod. According to the child cart disclosed by the invention, when the seat pocket is subjected to reversing operation, a child does not need to go down from the cart, so that the child cart is more convenient and quicker.

Description

Child cart

Technical Field

The invention relates to a child stroller.

Background

The traditional child cart with seat bags is troublesome in operation because the seat bags are required to be detached from the frame and then reversely installed when the seat bags are reversed. At present, a child cart with a seat pocket capable of rotating on a frame appears on the market, the reversing operation can be realized without detaching the seat pocket, but when a child uses the cart, before reversing operation is performed on the seat pocket, the child needs to go down from the cart, then the pedal of the seat pocket is turned upwards to a position approximately vertical upwards, and thus the seat pocket cannot be blocked by a rod piece of the frame to cause the problem of incapability of continuing rotation when rotating, so that the child cart is inconvenient.

Disclosure of Invention

The invention aims to provide a novel child cart, and when a seat pocket is subjected to reversing operation, a child does not need to go down from the cart.

In order to achieve the purpose, the technical scheme adopted by the invention is that the baby carriage comprises:

The frame comprises side brackets positioned at two sides and transverse connecting rods used for connecting the side brackets, each side bracket comprises a front wheel bracket, a rear wheel bracket, a side connecting rod and a push rod, the upper end part of the rear wheel bracket is rotationally connected with the upper end part of the front wheel bracket and the front end part of the side connecting rod, the push rod is rotationally connected with the rear end part of the side connecting rod, a section of side connecting rod in front of the push rod extends forwards along the approximately horizontal direction to form a side connecting rod horizontal section,

The front wheel assembly is arranged at the lower end part of the front wheel bracket,

The rear wheel component is arranged at the lower end part of the rear wheel bracket,

The seat pocket is rotatably connected with the frame through a rotating shaft which is approximately vertical to the horizontal plane and comprises a seat part and a pedal connecting rod which is rotatably connected with the seat part,

The pedal connecting rod has at least two working states, wherein the first working state is that the pedal connecting rod is positioned at the front lower part of the seat part, and the second working state is that the pedal connecting rod is approximately horizontally arranged;

In the second working state, the pedal connecting rod is completely higher than the horizontal section of the side connecting rod, and when the seat pocket rotates around the rotating shaft, a gap exists between the seat pocket and the push rod even if the seat pocket is at the position closest to the push rod.

The substantially horizontal position in the present invention means that the pedal link is located in front of the seat portion and has an angle with the horizontal of at most 30 degrees, in the second operating state, so as not to affect the comfort of the child riding. When the pedal connecting rod is in the second working state, the seat pocket is not blocked by the push rod when rotating around the rotating shaft, and the pedal connecting rod is in the approximately horizontal arrangement, so that when the direction of the seat pocket is adjusted, the children can lift the legs upwards to the approximately horizontal position, and the children do not need to go down from the trolley.

The frame of the invention has an unfolded and folded state, so that the child stroller of the invention can be folded and stored.

Preferably, the upper end parts of the rear wheel brackets at the two sides are connected with the transverse connecting rod at the rotary connection part between the upper end parts of the front wheel brackets and the front end parts of the side connecting rods, and the rotary shaft is positioned in the middle of the transverse connecting rod.

According to one specific embodiment, the transverse connecting rod is fixedly connected with the horizontal section of the side connecting rod, and the rotating shaft is positioned in the middle of the transverse connecting rod. The seat pocket is supported by the transverse connecting rod, the transverse connecting rod is fixedly connected with the horizontal section of the side connecting rod, the bottom of the seat pocket can be higher than the horizontal section of the side connecting rod, and when the seat pocket rotates, the seat pocket cannot be blocked by the horizontal section of the side connecting rod.

Further, a tray is fixed at the middle of the transverse connecting rod, and a hole for accommodating the rotating shaft is formed in the center of the tray.

Further, the rotating shaft is fixed at the bottom of the seat pocket, and the rotating shaft is inserted into the hole.

In the invention, the seat pocket connecting part matched with the tray and the locking mechanism can be arranged at the bottom of the seat pocket to prevent the seat dig up from rotating, so that the stability of the seat pocket is ensured, and the riding safety of children is further ensured.

Preferably, the side link includes a side link horizontal section and a side link inclined section which are fixedly connected together, the side link inclined section is located at the inner side of the push rod, and in the second working state, when the seat pocket rotates around the rotation axis, a gap exists between the seat pocket and the side link inclined section even at a position closest to the side link inclined section.

Further, the front end of the pedal connecting rod is provided with a pedal, and in the second working state, when the seat pocket rotates around the rotating shaft, even if the pedal is at the position closest to the side connecting rod inclined section, a gap is formed between the pedal and the side connecting rod inclined section, so that the pedal positioned at the forefront end of the seat pocket always does not touch the side connecting rod inclined section when the seat pocket rotates.

Further, the front part of the push rod is the horizontal section of the side connecting rod.

All set up the push rod place ahead as the horizontal segment of side link, increased the range that the seat pocket can be expanded in the fore-and-aft direction as far as possible, provide bigger riding space, improve the travelling comfort when children sit.

Preferably, the front end of the pedal connecting rod is provided with a pedal, and in the second working state, when the seat pocket rotates around the rotating shaft, the pedal has a gap with the push rod even at the position closest to the push rod, so that the pedal positioned at the forefront end of the seat pocket always does not touch the push rod when the seat pocket rotates.

The scope of the present application is not limited to the technical solutions of the specific combination of the above technical features, but also covers other technical solutions of any combination of the above technical features or the equivalent features thereof. Such as those described above, and those disclosed in the present application (but not limited to) in which specific similar functions are replaced with each other.

The relevant content explanation in the technical scheme is as follows:

The azimuth term in the present invention is defined by the azimuth of the pusher when the child stroller of the present invention is pushed forward in the unfolded state, wherein the side of the face of the pusher is the front and the side of the back is the back.

In the invention, when the child uses the child stroller of the embodiment, the child stroller state when the child faces away from the pusher is used as the seat pocket forward use state, and the child stroller state when the child faces towards the pusher is used as the seat pocket reverse use state.

Due to the application of the technical scheme, compared with the prior art, the child cart has the advantages that when the child uses the cart to change the direction of the seat pocket, only the pedal connecting rod is required to be switched to the second working state, then the seat pocket is rotated, and the child does not need to get down from the cart, so that the child cart is more convenient and quick, and meanwhile, the child cart is foldable and convenient to store.

Drawings

FIG. 1 is a schematic view of a frame according to an embodiment of the present invention in an extended state;

FIG. 2 is a top view of a vehicle frame according to an embodiment of the invention in an extended state;

FIG. 3 is a schematic view of a seat pocket according to an embodiment of the present invention in an unfolded state and a second working state of a pedal link;

FIG. 4 is a top view of a seat pocket according to an embodiment of the present invention in an extended state with a step bar linkage in a second operating state;

FIG. 5 is a schematic view of a child stroller according to an embodiment of the present invention in a forward use position;

FIG. 6 is a left side view of a child stroller in accordance with an exemplary embodiment of the present invention in a forward use position;

FIG. 7 is a schematic view of a child stroller according to an embodiment of the present invention in a forward use position with the foot links in a second operational position;

FIG. 8 is a schematic view of a child stroller according to an embodiment of the present invention rotated to an angle with respect to a seat pocket;

FIG. 9 is a left side view of a child stroller according to an exemplary embodiment of the present invention rotated to an angle with respect to a seat pocket;

FIG. 10 is a schematic view of a child stroller according to an embodiment of the present invention rotated to another fixed angle with respect to a seat pocket;

FIG. 11 is a left side view of a child stroller according to an exemplary embodiment of the present invention rotated to another fixed angle with respect to the seat pocket;

FIG. 12 is a schematic view of a child stroller according to an embodiment of the present invention in which the seat pocket is rotated to a reverse use state and the step link is in a second operating state;

FIG. 13 is a left side view of a child stroller in accordance with an exemplary embodiment of the present invention rotated into a reverse use position with the step bar linkage in a second operative position;

FIG. 14 is a left side view of a child stroller in accordance with an exemplary embodiment of the present invention in a reverse use position;

FIG. 15 is a schematic view of a child stroller in a semi-collapsed configuration according to an embodiment of the present invention;

FIG. 16 is a schematic view of a child stroller in a fully collapsed configuration according to an exemplary embodiment of the present invention;

In the above figures:

1. A frame; 11, a front wheel bracket, 12, a rear wheel bracket, 13, a side connecting rod, 13a, a side connecting rod horizontal section, 13b, a side connecting rod inclined section, 14, a push rod, 14a, an upper push rod, 14b, a lower push rod, 15, a connecting rod, 16, a transverse connecting rod, 17, a tray, 18 and a hole;

2. Seat pocket 21, seat part 22, pedal connecting rod 22a, pedal connecting rod adjusting piece 23, back rest part 24, seat pocket connecting part 25, rotation axis;

3. Front wheel component, 4, rear wheel component.

Detailed Description

The invention will be further described with reference to the embodiments shown in the drawings, wherein the various features may be combined as desired unless the context clearly indicates otherwise.

As shown in fig. 5 to 16, the child stroller in this embodiment includes a frame 1 having an unfolded state and a folded state, a seat pocket 2 rotatably coupled to the frame 1 through a rotation shaft 25, a front wheel assembly 3 provided at a bottom front portion of the frame 1, a rear wheel assembly 4 provided at a bottom rear portion of the frame 1, and a locking mechanism for locking the frame 1 in the unfolded state.

The frame 1 comprises two sets of side brackets, a transverse link 16 for connecting the side brackets, each set of side brackets comprising a front wheel bracket 11 with a front wheel assembly 3 arranged at the bottom, a rear wheel bracket 12 with a rear wheel assembly 4 arranged at the bottom, a push rod bracket connected with the rear wheel bracket 12, and a side link 13 connected between the front wheel bracket 11 and the rear wheel bracket 12 and the push rod bracket.

As shown in fig. 1 and 2, two sets of front wheel brackets 11 are respectively arranged on the left and right sides, two sets of rear wheel brackets 12 are respectively arranged on the left and right sides, and the upper ends of the front wheel brackets 11 and the upper ends of the rear wheel brackets 12 on the same side are connected through pivot.

As shown in fig. 1, the putter frame has two sets of pushrods disposed on the left and right sides, each of the pushrods includes an upper pushrod 14a and a lower pushrod 14b, the lower end of the upper pushrod 14a is pivotally connected to the upper end of the lower pushrod 14b, and the lower end of the lower pushrod 14b is pivotally connected to the rear wheel bracket 12 on the same side.

As shown in fig. 1, two sets of side links 13 are respectively disposed on the left and right sides, each set of side links 13 includes a side link horizontal section 13a and a side link inclined section 13b that are fixedly connected together, the side link horizontal section 13a extends in the front-rear direction, and all the front sides of the upper push rod 14a are side link horizontal sections 13a, the front ends of the side link horizontal sections 13a are pivotally connected with the upper ends of the front wheel brackets 11 and the upper ends of the rear wheel brackets 12 that are located on the same side, the side link inclined sections 13b are located inside the upper push rod 14a, the lower ends of the side link inclined sections 13b are fixedly connected with the rear ends of the side link horizontal sections 13a, and the upper ends of the side link inclined sections 13b are pivotally connected with the upper push rod 14 a.

As shown in fig. 1 and 2, the transverse link 16 is disposed in the left-right direction, two ends of the transverse link 16 are fixedly connected with front end portions of the horizontal sections 13a of the side links at two sides, a tray 17 for mounting the seat pocket 2 is fixedly disposed in the middle of the transverse link 16, and a hole 18 for accommodating the rotating shaft 25 is formed in the center of the tray 17. In other embodiments, the position of the cross link 16 may be adjusted according to the vehicle frame 1, and it is preferable to provide the cross link 16 at the front upper end portion of the underframe of the vehicle frame 1 so that the bottom portion of the seat pocket 2 mounted on the cross link 16 is higher than the side link horizontal section 13a as much as possible.

In this embodiment, as shown in fig. 1 and fig. 2, the front wheel support 11 and the push rod are further connected by an integrally formed "U" shaped connecting rod 15, the front end portions of the connecting rod 15 on the left and right sides are respectively connected with the front wheel support 11 on the same side by pivoting, and the rear end portions of the connecting rod 15 are respectively connected with the two sets of rear wheel supports 12 by pivoting.

As shown in fig. 3 and 4, the seat pocket 2 includes a seat portion 21 and a step link 22 rotatably connected to the seat portion 21, the front end portion of the seat portion 21 is rotatably connected to the step link 22 by a pivot, the angle of the step link 22 with respect to the seat portion 21 is adjustable, a step link adjuster 22a is provided on the step link 22, and the step link adjuster 22a has two lock positions, so that the step link 22 has two operation states, the first operation state is that the step link 22 is located forward and downward of the seat portion 21, and the second operation state is that the step link 22 is disposed substantially horizontally. Of course, in other embodiments, a plurality of locking gears may be provided for the pedal link adjuster 22a, but when the pedal link 22 is adjusted to a gear capable of switching the use state of the seat pocket 2, the pedal link 22 is located in front of the seat portion 21 and forms an included angle with the horizontal plane of not more than 30 degrees, so as to ensure comfort of the legs of the child and sitting as much as possible.

In this embodiment, as shown in fig. 4, the bottom of the seat portion 21 is further provided with a rotation shaft 25 for attaching the seat pocket 2 to the frame 1 shown in this embodiment, the rotation shaft 25 is located in the middle of the bottom of the seat portion 21, and the periphery of the rotation shaft 25 is provided with a seat pocket connection portion 24 capable of being matched with the tray 17 on the frame 1. The rear end of the seat portion 21 is also pivotally connected to the back rest portion 23 such that the back rest portion 23 is angularly adjustable relative to the seat portion 21 to provide the seat pocket 2 with an expanded and collapsed configuration. The seat pocket 2 further includes a backrest locking mechanism, and the backrest 23 is locked with the seat 21 after a certain angle is formed between the backrest 23 and the seat 21, so that the seat pocket 2 has a stable unfolded use state.

As shown in fig. 5 to 14, the seat portion 21 is rotatably connected to the frame 1 via a rotation shaft 25, the rotation shaft 25 is inserted into the hole 18 in the center of the tray 17, and the seat pocket connecting portion 24 is engaged with the tray 17. In this embodiment, when the child uses the stroller of this embodiment, the stroller state when the child is facing away from the pusher is used as the forward use state of the seat pocket 2, and the stroller state when the child is facing the pusher is used as the reverse use state of the seat pocket 2. The locking mechanism is arranged between the seat pocket 2 and the frame 1, so that the seat pocket 2 is locked with the frame 1 when the cart is in a forward use state of the seat pocket 2 and a reverse use state of the seat pocket 2, thereby ensuring safety.

As shown in fig. 7 to 13, in the stroller of this embodiment, the bottom of the seat portion 21 is higher than the side link horizontal sections 13a, the seat portion 21 is located between the two sets of side link horizontal sections 13a in the left-right direction, when the step link 22 is in the second operating state, the included angle between the step link 22 and the horizontal plane is less than 30 degrees, the extending direction of the step link 22 is substantially identical to the extending direction of the upper surface of the seat portion 21, and during the rotation of the seat pocket 2 around the rotation axis 25, the step link 22 and the bottom of the seat portion 21 are always located above the side link horizontal sections 13 a. Of course, in other embodiments, the bottom of the seat pocket 2 and the side link horizontal section 13a may be at the same height or slightly lower than the side link horizontal section 13a according to the specific vehicle frame 1, but the pedal link 22 needs to be guaranteed to have a working state higher than the side link horizontal section 13a, and the included angle between the pedal link 22 and the seat 21 in this working state is at least 150 degrees, so that the legs of the child do not need to be lifted too high, thereby guaranteeing the sitting comfort of the child.

As shown in fig. 5 and 6, in the child car of the present embodiment, the rear end portion of the seat portion 21 and the backrest portion 23 are located forward of the two sets of upper push rods 14a in the front-rear direction, and the seat portion 21 and the backrest portion 23 are located between the two sets of side links 13 in the left-right direction, so that the rear end portion of the seat portion 21 and the backrest portion 23 do not touch the side links 13 and the upper push rods 14a during the rotation of the seat pocket 2 from the forward use state to the reverse use state.

As shown in fig. 10 and 11, in the stroller of the present embodiment, the step link 22 is in the second operating state, and when the seat pocket 2 rotates about the rotation axis 25 and the front end portion of the step link 22 is rotated from being completely in front of the upper push rod 14a to being completely inside the two sets of side link inclined sections 13b, a gap is formed between the front end portion of the step link 22 (the left end point and the right end point of the front end portion of the step link 22) and the side link inclined section 13b when the position of the front end portion of the step link 22 farthest from the rotation axis 25 is closest to the side link inclined section 13b, so that the step link 22 always does not touch the side link inclined section 13b when passing the side link inclined section 13b as the seat pocket 2 rotates. Of course, in other embodiments, the pedal link 22 may be provided according to the specific vehicle frame 1, and only the pedal link 22 needs to be guaranteed to rotate along with the seat pocket 2, and no rod member of the vehicle frame 1 may be touched all the time when passing through the push rod or other rod members of the vehicle frame 1. Of course, in other embodiments, if a foot pedal is further provided at the front end of the foot pedal link 22, a gap is also provided between the foot pedal and the push rod or any other rod of the frame 1 when the foot pedal is closest to the rotation axis 25 at the farthest position, so that the foot pedal does not touch any rod of the frame 1.

The working principle of the embodiment is as follows:

As shown in fig. 14 to 14 of fig. 5, when the child car of the present embodiment is in a unfolded state, the front wheel bracket 11 and the rear wheel bracket 12 are unfolded relatively, the side links 13 and the push rod bracket are unfolded relatively to the front wheel bracket 11 and the rear wheel bracket 12, the seat pocket 2 is supported by the cross links 16 and located between the side link horizontal sections 13a, and the step links 22 are located under the front of the seat portion 21. When the child uses the stroller of the present embodiment, the stroller state of the child facing away from the pusher is used as the forward use state of the seat bag 2, as shown in fig. 3 and fig. 4, and the stroller state of the child facing toward the pusher is used as the reverse use state of the seat bag 2, as shown in fig. 12. When the seat pocket 2 is required to be converted from the forward use state to the reverse use state of the seat pocket 2, the pedal connecting rod 22 is firstly adjusted to the second working state, then the seat pocket 2 is rotated until the child faces the rear of the trolley, and the pedal connecting rod 22 is adjusted to the first working state, so that the child does not need to go down from the trolley in the whole operation process.

When the stroller of this embodiment needs to be folded, as shown in fig. 15 and 16, the pedal link 22 is adjusted to the second working state, then the seat pocket 2 is rotated to the position where the seat pocket 2 is used in the opposite direction, then the backrest 23 is closed to the seat 21 and folded, and finally the frame 1 is folded. The folded trolley is compact in structure, small in occupied space and more convenient to store.

The above embodiments are provided to illustrate the technical concept and features of the present invention and are intended to enable those skilled in the art to understand the content of the present invention and implement the same, and are not intended to limit the scope of the present invention. All equivalent changes or modifications made in accordance with the spirit of the present invention should be construed to be included in the scope of the present invention.

Claims

1. A baby stroller, comprising:

A vehicle frame (1), the vehicle frame (1) comprising side brackets located on both sides and a transverse connecting rod (16) for connecting the side brackets, each of the side brackets comprising a front wheel bracket (11), a rear wheel bracket (12), a side connecting rod (13), and a push rod (14), the upper end of the rear wheel bracket (12) being rotatably connected to the upper end of the front wheel bracket (11) and the front end of the side connecting rod (13), the push rod (14) being rotatably connected to the rear end of the side connecting rod (13), a section of the side connecting rod (13) in front of the push rod (14) extending forward in a substantially horizontal direction to form a side connecting rod horizontal section (13a),

A front wheel assembly (3), wherein the front wheel assembly (3) is arranged at the lower end of the front wheel bracket (11),

a rear wheel assembly (4), wherein the rear wheel assembly (4) is arranged at the lower end of the rear wheel bracket (12),

A seat pocket (2), the seat pocket (2) being rotatably connected to the frame (1) via a rotation axis (25), the rotation axis (25) being substantially perpendicular to a horizontal plane, the seat pocket (2) comprising a seat portion (21), a footrest connecting rod (22) rotatably connected to the seat portion (21),

Features:

The lower end of the push rod (14) is rotatably connected to the lower end of the rear wheel bracket (12).

The middle portion of the push rod (14) is rotatably connected to the rear end portion of the side connecting rod (13).

The upper ends of the rear wheel brackets (12) on both sides are connected to the rotatable connection points with the upper ends of the front wheel brackets (11) and the front ends of the side links (13), and the lateral links (16) are connected thereto. The rotation axis (25) is located in the middle of the lateral links (16).

The pedal connecting rod (22) has at least two working states, a first working state is that the pedal connecting rod (22) is located at the front lower part of the seat portion (21), and a second working state is that the pedal connecting rod (22) is arranged substantially horizontally;

In the second working state, the footrest connecting rod (22) is completely higher than the horizontal section (13a) of the side connecting rod, and when the seat pocket (2) rotates around the rotation axis (25), there is a gap between the seat pocket (2) and the push rod (14) even when the seat pocket (2) is at the position closest to the push rod (14).

2. The stroller according to claim 1, characterized in that the transverse connecting rod (16) is fixedly connected to the horizontal section (13a) of the side connecting rod.

3. The stroller according to claim 2, characterized in that a tray (17) is fixed in the middle of the transverse connecting rod (16), and the center of the tray (17) has a hole (18) for accommodating the rotating shaft (25).

4. The stroller according to claim 3, characterized in that the rotating shaft (25) is fixed to the bottom of the seat pocket (2), and the rotating shaft (25) is inserted into the hole (18).

5. The stroller according to claim 1, characterized in that: the side link (13) comprises a side link horizontal section (13a) and a side link inclined section (13b) fixedly connected as one, the side link inclined section (13b) being located on the inner side of the push rod (14), and in the second working state, when the seat pocket (2) rotates around the rotation axis (25), even when the seat pocket (2) is at the position closest to the side link inclined section (13b), there is a gap between the seat pocket (2) and the side link inclined section (13b).

6. The stroller according to claim 5, characterized in that a footboard is provided at the front end of the footrest link (22), and in the second working state, when the seat pocket (2) rotates around the rotation axis (25), the footboard has a gap with the side link inclined section (13b) even at the position closest to the side link inclined section (13b).

7. The stroller according to claim 5, characterized in that the entire front portion of the push rod (14) is the horizontal section (13a) of the side link.

8. The stroller according to claim 1, characterized in that a footboard is provided at the front end of the foot-operated connecting rod (22), and in the second working state, when the seat pocket (2) rotates around the rotating axis (25), there is a gap between the footboard and the push rod (14) even when the footboard is at the position closest to the push rod (14).