CN215663596U

CN215663596U - Children's barrow

Info

Publication number: CN215663596U
Application number: CN202120455541.9U
Authority: CN
Inventors: 祁衡
Original assignee: Goodbaby Child Products Co Ltd
Current assignee: Goodbaby Child Products Co Ltd
Priority date: 2021-03-03
Filing date: 2021-03-03
Publication date: 2022-01-28
Anticipated expiration: 2031-03-03

Abstract

The utility model discloses a children's cart, which comprises a frame in an unfolded state and a folded state, wherein the frame at least comprises a front wheel bracket, a rear wheel bracket and a connecting rod assembly, the connecting rod assembly comprises a first rod and a second rod, one of the first rod and the second rod is connected to the front wheel bracket, the other one of the first rod and the second rod is connected to the rear wheel bracket, the first rod and the second rod can be arranged in a relatively sliding manner, and the connecting rod assembly further comprises an elastic piece used for providing acting force required by the opposite movement of the first rod and the second rod. According to the stroller provided by the utility model, when the stroller runs in a bumpy state, the front wheel bracket and the rear wheel bracket have the tendency of being relatively far away and opened, and the elastic piece provides an acting force for enabling the front wheel bracket and the rear wheel bracket to approach each other, so that shock absorption is realized. The novel shock-absorbing structure and the shock-absorbing mode adopted in the children's cart are simple in arrangement, directly utilize the original connecting rod in the frame, transform the connecting rod into a shock-absorbing device, cannot complicate the structure of the frame, and have obvious shock-absorbing effect.

Description

Children's barrow

Technical Field

The utility model relates to the technical field of children products, in particular to a stroller.

Background

In the prior art, a child stroller is usually provided with a shock absorbing structure, so that a child can sit on the stroller more comfortably. At present, the shock-absorbing structure on the stroller is usually arranged at the joint of the rear part of the bottom of the stroller frame and a rear wheel or is directly arranged between a seat and a rear support, so that the shock-absorbing effect is limited, or the structure of the stroller frame is complicated.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a child stroller with a novel shock-absorbing structure.

In order to achieve the purpose, the utility model adopts the technical scheme that:

the utility model provides a children's shallow, is including having the frame of expansion state and fold condition, the frame includes front wheel support and rear wheel support at least, front wheel support bottom is equipped with the front wheel subassembly, rear wheel support bottom is equipped with the rear wheel subassembly, the frame still includes link assembly, link assembly includes first pole and second pole, first pole with one of the two of second pole is connected on the front wheel support, another person is connected on the rear wheel support, first pole with the second pole can set up with sliding relatively, link assembly still including being used for providing first pole with the elastic component of the required effort of second pole relative motion.

Preferably, the connecting rod assembly further includes a sliding rod, the sliding rod has a first end portion and a second end portion respectively disposed at two end portions different from each other in a length direction of the sliding rod, the first end portion is fixedly disposed on the first rod, the second end portion is slidably connected to the second rod, and axial lines of the first rod, the second rod and the sliding rod are disposed in parallel or in a collinear manner.

Preferably, the first rod has a first rod cavity extending in a length direction thereof, the second rod has a second rod cavity extending in a length direction thereof, the first end of the sliding rod is fixedly inserted in the first rod cavity, and the second end of the sliding rod is slidably inserted in the second rod cavity.

Preferably, a sliding groove is formed in the second end portion, the sliding groove extends along the length direction of the sliding rod, a pin shaft is fixedly arranged on the second rod, and the pin shaft can be inserted into the sliding groove in a relatively sliding manner.

Preferably, the elastic member is a tension spring or a compression spring.

Furthermore, the elastic component is an extension spring, the extension spring is arranged between the first rod and the second rod, the extension spring is sleeved on the sliding rod, one end part of the extension spring is connected to the pin shaft, and the other end part of the extension spring is connected to the first rod and/or the first end part.

Further, the elastic member is a pressure spring, the second rod has a second rod cavity extending along the length direction of the second rod, the second rod has a top cover, the top cover is arranged at an opening of the second rod cavity, a through hole is formed in the top cover, the second end of the sliding rod relatively slidably penetrates through the through hole and is inserted into the second rod cavity, the pressure spring is sleeved on the second end and is located in the second rod cavity, one end of the pressure spring is connected to the second end, and the other end of the pressure spring is connected to the top cover.

Preferably, the axes of the first and second rods are arranged collinearly, and the outer diameters of the first and second rods are the same.

As a preferred embodiment, the frame further comprises a push rod frame, in an unfolded state, the upper part of the front wheel bracket is rotatably connected with the lower part of the push rod frame, the upper part of the rear wheel bracket is rotatably connected with the push rod frame, and the rotary connection position of the front wheel bracket and the push rod frame is positioned below the rotary connection position of the rear wheel bracket and the push rod frame; the front portion of the second rod is rotatably connected to the front wheel support, the rear portion of the first rod is rotatably connected to the rear wheel support, the front wheel support and the rotating connection position of the second rod are located below the rotating connection position of the front wheel support and the push rod frame, and the rear wheel support and the rotating connection position of the first rod are located below the rotating connection position of the rear wheel support and the push rod frame.

As another preferred embodiment, in the unfolded state, the frame further includes: the lower part of the push rod frame is rotatably connected with the rear wheel bracket, the upper part of the rear wheel bracket is rotatably connected with the upper part of the front wheel bracket, and the rotary connection part of the rear wheel bracket and the front wheel bracket is positioned above the rotary connection part of the rear wheel bracket and the push rod frame; the sliding piece is arranged on the rear wheel bracket in a sliding mode, the front portion of the first rod is rotatably connected with the front wheel bracket, and the rear portion of the second rod is rotatably connected with the sliding piece; the lower part of the support rod is rotatably connected with the sliding part, the upper part of the support rod is rotatably connected with the push rod frame, and the rotary connection position of the push rod frame and the support rod is positioned above the rotary connection position of the push rod frame and the rear wheel bracket.

Due to the application of the technical scheme, the connecting rod assembly is arranged between the front wheel support and the rear wheel support, the elastic piece is arranged in the connecting rod assembly, when the baby stroller runs in bumping, the front wheel support and the rear wheel support have the tendency of being relatively far away and opening, and the elastic piece provides acting force for enabling the front wheel support and the rear wheel support to be close to each other, so that shock absorption is realized. The novel shock-absorbing structure and the shock-absorbing mode adopted in the children's cart are simple in arrangement, directly utilize the original connecting rod in the frame, transform the connecting rod into a shock-absorbing device, cannot complicate the structure of the frame, and have obvious shock-absorbing effect.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

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

FIG. 2 is a schematic side view of a stroller according to a first embodiment;

FIG. 3 is an exploded view of the connecting rod assembly according to the first embodiment;

FIG. 4 is a schematic cross-sectional view of a connecting rod assembly according to a first embodiment;

FIG. 5 is a schematic cross-sectional view of another angle of the connecting rod assembly in accordance with one embodiment;

FIG. 6 is an exploded view of the connecting rod assembly according to the second embodiment;

FIG. 7 is a cross-sectional view of the connecting rod assembly according to the second embodiment;

FIG. 8 is a schematic cross-sectional view of another angle of the connecting rod assembly of the second embodiment;

FIG. 9 is a perspective view of the stroller in the third embodiment;

FIG. 10 is a schematic side view of a stroller according to a third embodiment;

wherein: 100. a front wheel bracket; 200. a rear wheel support; 300. a push rod frame; 400. a front wheel assembly; 500. a rear wheel assembly; 600. a connecting rod assembly; 700. a slider; 800. a stay bar;

1. a first lever; 11. a first positioning hole; 2. a second lever; 21. a second positioning hole; 22. a top cover; 221. an extension portion; 222. a cap hole; 3. a slide bar; 31. a first end portion; 311. a third positioning hole; 32. a second end portion; 321. a chute; 4. an elastic member; 5. a pin shaft; 6. and (6) positioning the pin shaft.

Detailed Description

Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the advantages and features of the utility model may be more readily understood by those skilled in the art.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "left-right direction", "height direction", "front-back direction", etc. indicate the orientation or positional relationship observed by the child when the child is normally seated on the stroller based on fig. 1, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, only have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

It should be noted that, unless otherwise specified, when a feature is referred to as being "fixed" or "connected" to another feature, it may be directly fixed or connected to the other feature or indirectly fixed or connected to the other feature. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. Further, the description of the upper, lower, left, right, etc. used in the present invention is only with respect to the positional relationship of the respective components of the present invention with respect to each other in the drawings.

Example one

Referring to fig. 1 and 2, a stroller includes a frame having an unfolded state and a folded state, and in this embodiment, the frame includes a front wheel bracket 100, a rear wheel bracket 200, a push rod bracket 300, and a connecting rod assembly 600. Wherein, in the unfolded state, the bottom of the front wheel bracket 100 is provided with a front wheel assembly 400, and the upper part of the front wheel bracket 100 is rotatably connected with the lower part of the push rod frame 300 through a rotating shaft a; the bottom of the rear wheel bracket 200 is provided with a rear wheel assembly 500, the upper part of the rear wheel bracket 200 is rotatably connected with the push rod frame 300 through a rotating shaft c, and the rotating shaft c is positioned above the rotating shaft a on the push rod frame 300.

The link assembly 600 includes a first rod 1, a second rod 2 and a sliding rod 3, the front portion of the second rod 2 is rotatably connected to the front wheel bracket 100 through a rotating shaft b, the rear portion of the first rod 1 is rotatably connected to the rear wheel bracket 200 through a rotating shaft d, the sliding rod 3 is connected between the first rod 1 and the second rod 2, the first rod 1 and the second rod 2 can be relatively slidably disposed, and the link assembly 600 further includes an elastic member 4 for providing a required acting force for the relative movement of the first rod 1 and the second rod 2, so that the link assembly has a shock absorbing function. Wherein, on the front wheel bracket 100, the rotating shaft a is positioned above the rotating shaft b; on the rear wheel bracket 200, the rotation axis c is located above the rotation axis d.

It should be noted that, in the present embodiment, the connecting rod assembly 600 is actually used as a basket rod, and a cloth bag is mounted above the basket rod for placing sundries.

Specifically, as shown in fig. 3 to 5, the sliding rod 3 has a first end 31 and a second end 32 respectively disposed at two ends different from each other in the longitudinal direction thereof, the first end 31 is fixedly disposed on the first rod 1, the second end 32 is slidably connected to the second rod 2, the axial lines of the first rod 1, the second rod 2 and the sliding rod 3 are disposed in parallel or in a collinear manner, in this embodiment, the axial lines of the first rod 1 and the second rod 2 are disposed in a collinear manner, and the outer diameters of the first rod 1 and the second rod 2 are the same.

In the present embodiment, the first rod 1 has a first rod chamber extending in its longitudinal direction, the second rod 2 has a second rod chamber extending in its longitudinal direction, the first end portion 31 of the slide rod 3 is fixedly inserted in the first rod chamber, and the second end portion 32 is slidably inserted in the second rod chamber.

The first end portion 31 is specifically connected with the first rod 1 through a positioning pin 6, a first positioning hole 11 is formed in the first rod 1, a third positioning hole 311 is formed in the first end portion 31, wherein the third positioning hole 311 is a through hole, the first positioning hole 11 penetrates through the first rod cavity, the first positioning hole 11 is provided with two openings corresponding to the two openings of the third positioning hole 311, the aperture of each of the first positioning hole 11 and the third positioning hole 311 is slightly larger than the outer diameter of the positioning pin 6, and the positioning pin 6 penetrates through the first positioning hole 11 and the third positioning hole 311 at the same time, so that the first end portion 31 is fixedly connected with the first rod 1.

Similarly, the second end portion 32 and the second rod 2 are connected together by a pin 5, a sliding slot 321 is formed in the second end portion 32, the sliding slot 321 extends along the length direction of the sliding rod 3, a second positioning hole 21 is formed in the second rod 2, the aperture of the second positioning hole 21 is slightly larger than the outer diameter of the pin 5, the pin 5 is simultaneously inserted into the second positioning hole 21 and the sliding slot 321, the pin 5 is fixedly connected with the second rod 2, and the pin 5 can be relatively slidably inserted into the sliding slot 321.

The pin 5 and the positioning pin 6 may be rivets, bolts, or any other columnar members.

The elastic member 4 of the present invention can be in various forms such as a compression spring, a tension spring, an elastic rubber block, and a spring plate, and is within the protection scope of the present patent as long as it can provide the acting force required by the opposite movement of the first rod 1 and the second rod 2.

In this embodiment, the elastic member 4 is exemplified by a tension spring, which is disposed between the first rod 1 and the second rod 2 and is sleeved on the sliding rod 3, and one end of the tension spring is connected to the pin 5, and the other end is connected to the positioning pin 6.

In addition, the stroller further comprises a locking device for locking the frame in the unfolded state, and in this embodiment, the locking device is disposed at the rotational connection between the front wheel bracket 100 and the push rod frame 300. Thus, when the stroller is driven or jolts, the front wheel support 100 and the rear wheel support 200 tend to be relatively far away and open, and the elastic part 4 provides an acting force for enabling the front wheel support and the rear wheel support to be close to each other, so that shock absorption is realized, and the safety and the comfort of taking children are improved.

Example two

Referring to fig. 6 to 8, the stroller of the present embodiment is substantially the same as the stroller of the first embodiment, and the main difference is the specific arrangement of the link assembly 600.

First, in the present embodiment, the front and rear positions of the first lever 1 and the second lever 2 are opposite, that is, the front portion of the first lever 1 is pivotally connected to the front wheel frame 100, and the rear portion of the second lever 2 is pivotally connected to the rear wheel frame 200, and accordingly, the first end portion 31 of the slide lever 3 is disposed forward and the second end portion 32 is disposed rearward.

Next, in this embodiment, the elastic member 4 specifically employs a compression spring. The second rod 2 is provided with a top cover 22, the top cover 22 is detachably arranged at an opening of a second rod cavity, the top cover 22 is provided with an extending part 221 positioned in the second rod cavity, a through hole is formed in the top cover 22, the second end part 32 of the sliding rod 3 relatively slidably penetrates through the through hole and is inserted into the second rod 2 cavity, a compression spring is sleeved on the second end part 32 and is positioned in the second rod cavity, one end part of the compression spring is connected to the second end part 32, the other end part of the compression spring abuts against the extending part 221, and acting force required by the opposite movement of the first rod 1 and the second rod 2 is indirectly provided by applying pressure for enabling the compression spring and the second end part to be away from each other.

In addition, a top cover hole 222 is further formed in the side wall of the top cover 22, and the pin 5 is simultaneously inserted into the second positioning hole 21, the top cover hole 222 and the sliding groove 321, so that the second rod 2 is slidably connected to the second end portion 32 of the sliding rod 3.

EXAMPLE III

Referring to fig. 9 to 10, in the present embodiment, a different vehicle type from that of the first embodiment is used, but the present embodiment also includes a front wheel bracket 100, a rear wheel bracket 200, and a link assembly 600.

Specifically, in the deployed state, the frame comprises: a front wheel bracket 100, the bottom of which is provided with a front wheel assembly 400, the front part of the first rod 1 is rotatably connected with the front wheel bracket 100 through a rotating shaft g; a rear wheel bracket 200, the bottom of which is provided with a rear wheel assembly 500, the upper part of the rear wheel bracket 200 is rotatably connected with the upper part of the front wheel bracket 100 through a rotating shaft e; a push rod frame 300, the lower part of the push rod frame 300 is rotatably connected with the rear wheel bracket 200 through a rotating shaft f; the sliding piece 700 is arranged on the rear wheel bracket 200 in a sliding manner, the rear part of the second rod 2 is rotatably connected with the sliding piece 700 through a rotating shaft h, and the sliding piece 700 specifically adopts a sliding sleeve; the lower part of the stay 800 is rotatably connected to the slider 700 through a rotation shaft h, and the upper part of the stay 800 is rotatably connected to the push rod frame 300 through a rotation shaft i.

Wherein, on the front wheel bracket 100, the rotating shaft e is positioned above the rotating shaft g; on the rear wheel bracket 200, the rotating shaft e, the rotating shaft f and the sliding member 700 are sequentially arranged from top to bottom; on the push rod frame 300, the rotation axis i is located above the rotation axis f.

In this embodiment, the specific structure of the connecting rod assembly 600 may adopt the structure described in the first embodiment or the second embodiment.

It should be noted that the technical solution of the present invention is not limited to the vehicle type in the above-mentioned embodiment, and the link assembly 600 having the shock absorbing function may be applied to any vehicle frame having the front wheel bracket 100 and the rear wheel bracket 200.

In summary, the stroller provided by the present invention employs a novel shock absorbing structure and shock absorbing manner, which is simple in configuration, and directly utilizes the original basket rod or connecting rod in the frame to transform the basket rod or connecting rod into the connecting rod assembly 600 with shock absorbing function, so that the structure of the frame is not complicated, and the shock absorbing effect is obvious.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a children's shallow, is including having the frame of expansion state and fold condition, the frame includes front wheel support and rear wheel support at least, front wheel support bottom is equipped with the front wheel subassembly, rear wheel support bottom is equipped with rear wheel subassembly, its characterized in that: the frame further comprises a connecting rod assembly, the connecting rod assembly comprises a first rod and a second rod, one of the first rod and the second rod is connected to the front wheel support, the other one of the first rod and the second rod is connected to the rear wheel support, the first rod and the second rod can be arranged in a relatively sliding mode, and the connecting rod assembly further comprises an elastic piece used for providing acting force required by the opposite movement of the first rod and the second rod.

2. The stroller of claim 1, wherein: the connecting rod assembly further comprises a sliding rod, the sliding rod is provided with a first end portion and a second end portion, the first end portion and the second end portion are respectively arranged at two different end portions in the length direction of the sliding rod, the first end portion is fixedly arranged on the first rod, the second end portion is connected with the second rod in a sliding mode, and axial lines of the first rod, the second rod and the sliding rod are mutually parallel or arranged in a collinear mode.

3. The stroller of claim 2, wherein: the first rod has a first rod cavity extending in a length direction thereof, the second rod has a second rod cavity extending in a length direction thereof, the first end of the sliding rod is fixedly inserted in the first rod cavity, and the second end of the sliding rod is slidably inserted in the second rod cavity.

4. The stroller of claim 2, wherein: the second end portion is provided with a sliding groove, the sliding groove extends along the length direction of the sliding rod, a pin shaft is fixedly arranged on the second rod, and the pin shaft can be inserted into the sliding groove in a relatively sliding mode.

5. The stroller of claim 4, wherein: the elastic piece is a tension spring, the tension spring is arranged between the first rod and the second rod, the tension spring is sleeved on the sliding rod, one end of the tension spring is connected to the pin shaft, and the other end of the tension spring is connected to the first rod and/or the first end.

6. The stroller of claim 2, wherein: the elastic piece is a pressure spring, the second rod is provided with a second rod cavity extending along the length direction of the second rod, the second rod is provided with a top cover, the top cover is arranged at an opening of the second rod cavity, a through hole is formed in the top cover, the second end of the sliding rod penetrates through the through hole in a relatively sliding mode and is inserted into the second rod cavity, the pressure spring is sleeved on the second end and is located in the second rod cavity, one end of the pressure spring is connected to the second end, and the other end of the pressure spring is connected to the top cover.

7. The stroller of claim 2, wherein: the elastic piece is a tension spring or a compression spring.

8. The stroller of claim 1, wherein: the first rod and the second rod are arranged in a collinear manner on the axis line, and the outer diameters of the first rod and the second rod are the same.

9. Child stroller according to any of claims 1 to 8, characterized in that: the frame further comprises a push rod frame, the upper part of the front wheel support is rotatably connected with the lower part of the push rod frame, the upper part of the rear wheel support is rotatably connected with the push rod frame, and the rotary connection position of the front wheel support and the push rod frame is positioned below the rotary connection position of the rear wheel support and the push rod frame;

the front portion of the second rod is rotatably connected to the front wheel support, the rear portion of the first rod is rotatably connected to the rear wheel support, the front wheel support and the rotating connection position of the second rod are located below the rotating connection position of the front wheel support and the push rod frame, and the rear wheel support and the rotating connection position of the first rod are located below the rotating connection position of the rear wheel support and the push rod frame.

10. Child stroller according to any of claims 1 to 8, characterized in that: in the unfolded state, the frame further comprises:

the lower part of the push rod frame is rotatably connected with the rear wheel bracket, the upper part of the rear wheel bracket is rotatably connected with the upper part of the front wheel bracket, and the rotary connection part of the rear wheel bracket and the front wheel bracket is positioned above the rotary connection part of the rear wheel bracket and the push rod frame;

the sliding piece is arranged on the rear wheel bracket in a sliding mode, the front portion of the first rod is rotatably connected with the front wheel bracket, and the rear portion of the second rod is rotatably connected with the sliding piece;

the lower part of the support rod is rotatably connected with the sliding part, the upper part of the support rod is rotatably connected with the push rod frame, and the rotary connection position of the push rod frame and the support rod is positioned above the rotary connection position of the push rod frame and the rear wheel bracket.