CN203032732U - Stroller for infants - Google Patents

Abstract

A baby stroller, the stroller frame includes a first front bracket, a second front bracket whose lower part is rotatably arranged with the lower part of the first front bracket, and a first rear bracket whose upper part is rotatably connected with the upper part of the first rear bracket , the second rear bracket whose upper part is rotatably connected to the upper part of the second rear bracket, the first push rod assembly slidably arranged on the first front bracket, the second push rod assembly slidably arranged on the second front bracket, the rotation The first seat frame that is connected between the first push rod assembly and the first rear bracket, the second seat frame that is rotatably connected between the second push rod assembly and the second rear bracket, is arranged on the first push rod frame and the second The push rod cross brace between the two push rod frames and the rear support frame which can be folded horizontally. When the stroller frame is folded, the volume of space in the front, rear, up, down, left, and right can be reduced, and the volume is smaller after folding.

Description

a baby stroller

technical field

The utility model relates to a child stroller.

Background technique

A baby stroller in the prior art includes a stroller frame with an unfolded position and a folded position, a seat arranged on the stroller frame, and used to lock the stroller frame in the unfolded position. Locking mechanism in position, front wheel assembly, front wheel assembly. There are many types of existing trolley frames, the number of rods of the cart frame is different, and the connection relationship and connection position between the rods are different, so the folding principles and folding methods are different.

Utility model content

The technical problem to be solved by the utility model is to provide a stroller for infants.

In order to solve the above technical problems, a technical solution adopted by the utility model is: a baby stroller, including a stroller frame with an unfolded position and a folded position, a seat arranged on the stroller frame, and a In terms of the locking mechanism for locking the cart frame in the unfolded position, and the wheel assembly arranged at the lower part of the cart frame, the cart frame includes:

first front bracket;

the second front bracket, the lower part of the second front bracket is set in rotation with the lower part of the first front bracket;

The first rear bracket, the upper part of the first front bracket is connected to the upper part of the first rear bracket by rotation around the first axis;

The second rear bracket, the upper part of the second front bracket is rotationally connected with the upper part of the second rear bracket around a second axis;

a first push rod assembly, the first push rod assembly is slidably arranged on the first front bracket;

a second push rod assembly, the second push rod assembly is slidably arranged on the second front bracket;

The first seat frame, the front part of the first seat frame is connected with the first push rod assembly around the first two axes, the rear part of the first seat frame is connected with the first rear bracket Rotate and connect around the first three axes;

The second seat frame, the front part of the second seat frame is connected with the second push rod assembly around the second two shafts, the rear part of the second seat frame is connected with the second rear bracket Rotately connected around the second three axes, the seat is set on the first seat frame and the second seat frame;

A horizontally foldable push rod cross brace, the push rod cross brace is arranged between the first push rod frame and the second push rod frame;

A rear support that can be folded horizontally, the rear support is arranged between the first rear support and the second rear support, or the rear support is arranged on the first rear support , Between the second rear frame, the first seat frame and the second seat frame.

In some embodiments, the first push rod assembly includes a first slider and a first push rod frame slidably arranged on the first front bracket, and the first push rod frame is slidably Set on the first sliding piece or slidably set on the first front bracket, the front part of the first seat frame and the first sliding piece rotate around the first two axes connected, the first push rod frame is provided with a first driving member for driving the first sliding member to slide upwards relative to the first front bracket;

The second push rod assembly includes a second slider and a second push rod frame that are slidably arranged on the second front bracket, and the second push rod frame is slidably arranged on the second The sliding part is slidably arranged on the second front bracket, and the front part of the second seat frame is connected with the second sliding part to rotate around the second two axes, and the second The push rod frame is provided with a second driving member for driving the second sliding member to slide upwards relative to the second front bracket.

In some further embodiments, the first sliding member is a sliding sleeve, respectively sleeved on the first front bracket and the first push rod frame; the second sliding member is a sliding sleeve The sleeves are sleeved on the second front bracket and the second push rod frame respectively.

In some still further embodiments, the first driving member is fixed on the lower part of the first push rod frame, and the second driving member is fixed on the lower part of the second push rod frame, When the stroller frame is in the unfolded position, the first sliding member presses on the first driving member, and the second sliding member presses on the second driving member.

In some embodiments, the first push rod assembly includes a first push rod frame slidably arranged on the first front bracket, a first push rod frame fixedly arranged on the first push rod frame a sliding part, the front part of the first seat frame is connected to the first sliding part in rotation around the first two axes;

The second push rod assembly includes a second push rod frame slidably arranged on the second front bracket, a second slider fixedly arranged on the second push rod frame, and the first The front parts of the two seat frames are rotatably connected with the second sliding member around the second two axes.

In some embodiments, the lower part of the first front frame and the lower part of the second front frame are rotatably connected by a fourth shaft.

In some further embodiments, the lower part of the first front bracket and the lower part of the second front bracket are rotatably connected to the front wheel joint through the fourth shaft, and the first front bracket The lower part, the lower part of the second front bracket and the front wheel joint are provided with a deployment limiting mechanism, and the wheel assembly includes a front wheel assembly, and the front wheel assembly is arranged on the front wheel on the connector.

In some embodiments, the wheel assembly further includes a first rear wheel assembly and a second rear wheel assembly, the first rear wheel assembly is arranged at the lower part of the first rear bracket, and the second rear wheel assembly The two rear wheel assemblies are arranged on the lower part of the second rear support.

In some embodiments, the locking mechanism includes a first side locking mechanism disposed between the first front bracket and the first push rod frame, and a side locking mechanism disposed between the second front bracket and the first push rod frame. The second side locking mechanism between the second push rod frame.

In some embodiments, the push rod cross brace includes a first push rod cross bar that is rotatably connected to the upper part of the first push rod frame at one end, and connected to the second push rod frame at one end. The upper part of the second push rod cross bar is rotatably connected, the other end of the first push rod cross bar is rotatably connected with the other end of the second push rod cross bar, and the locking mechanism includes A push rod locking mechanism arranged between the other end of the first push rod cross bar and the other end of the second push rod cross rod.

In some embodiments, the structure of the rear support may include:

vertical pole;

A first cross bar, one end of the first cross bar is rotatably connected to the upper end of the vertical bar, and the other end of the first cross bar is rotatably connected to the first rear bracket ;

The second cross bar, one end of the second cross bar is rotatably connected to the upper end of the vertical bar, and the other end of the second cross bar is rotatably connected to the second rear bracket ;

a slider, the slider is slidably arranged on the vertical bar;

A third cross bar, one end of the third cross bar is rotatably connected to the lower end of the vertical bar, and the other end of the third cross bar is rotatably connected to the first rear bracket ;

A fourth crossbar, one end of the fourth crossbar is rotatably connected to the lower end of the vertical bar, and the other end of the fourth crossbar is rotatably connected to the second rear bracket ;

A first slanting rod, one end of the first slanting rod is rotatably connected to the slider, and the other end of the first slanting rod is rotatably connected to the third cross bar;

The second slanting rod, one end of the second slanting rod is rotatably connected to the slider, and the other end of the second slanting rod is rotatably connected to the fourth cross bar.

The orientation words such as front, back, up and down mentioned above are defined when the cart frame is in the unfolded position.

The scope of the present utility model is not limited to technical solutions formed by a specific combination of the above technical features, but also covers other technical solutions formed by any combination of the above technical features or equivalent features. For example, a technical solution formed by replacing the above-mentioned features with (but not limited to) technical features with similar functions disclosed in this application.

Due to the application of the above technical solutions, the utility model has the following advantages compared with the prior art: when the cart frame is being folded, the first push rod assembly and the second push rod assembly are respectively slid downward, and the first front push rod assembly The bracket is close to the first rear bracket, the second front bracket is close to the second rear bracket, the push rod cross brace and the rear bracket are respectively horizontally drawn together, the first front bracket is close to the second front bracket, and the first rear bracket is close to the second front bracket. The second rear support is close to each other, and the cart frame is folded, so that the volume of space in the front, rear, up, down, left, and right sides can be reduced, and the folded volume is smaller.

Description of drawings

Accompanying drawing 1 is the three-dimensional view that the cart frame is in the expanded position;

Accompanying drawing 2 is the side view of the cart frame in the unfolded position;

Accompanying drawing 3 is the side view of the transition between the extended position and the folded position of the cart frame;

Accompanying drawing 4 is the side view of the cart frame in the folded position;

Among them: 1. Cart frame; 3. Push rod cross brace; 4. Rear support frame; 5. Front wheel assembly; 6. First rear wheel assembly; 7. Second rear wheel assembly; 11. First front bracket ; 12, the first rear support; 13, the first sliding member; 14, the first push rod frame; 15, the first seat frame; 16, the first drive member; 17, the front wheel joint; 18, the first push rod assembly ; 21, the second front support; 22, the second rear support; 23, the second slide; 24, the second push rod frame; 25, the second seat frame; 28, the second push rod assembly; 81, the first one axis; 83, the first three axes; 91, the second one axis; 92, the second two axes.

Detailed ways

As shown in the accompanying drawings, a baby stroller includes a stroller frame 1 with an unfolded position and a folded position, a seat arranged on the stroller frame 1, and is used to lock the stroller frame 1 in the unfolded position. The lower locking mechanism, the wheel assembly arranged at the bottom of the stroller frame 1.

Cart frame 1 includes:

the first front bracket 11;

The second front bracket 21, the bottom of the second front bracket 21 and the bottom of the first front bracket 11 are arranged in a rotatable manner;

The first rear bracket 12, the upper part of the first front bracket 11 is connected with the upper part of the first rear bracket 12 around the first axis 81 for rotation;

The second rear bracket 22, the upper part of the second front bracket 21 and the upper part of the second rear bracket 22 are rotatably connected around the second first axis 91;

The first push rod assembly 18, the first push rod assembly 18 is slidably arranged on the first front bracket 11;

The second push rod assembly 28, the second push rod assembly 28 is slidably arranged on the second front bracket 21;

The first seat frame 15, the front part of the first seat frame 15 is connected with the first push rod assembly 18 to rotate around the first two axes, and the rear part of the first seat frame 15 and the first rear bracket 12 rotate around the first three axes 83 connect;

The second seat frame 25, the front part of the second seat frame 25 is connected with the second push rod assembly 28 around the second second axis 92, and the rear part of the second seat frame 25 and the second rear bracket 22 rotate around the second three axes Connected, the seat is arranged on the first seat frame 15 and the second seat frame 25;

A push rod cross brace 3 that can be folded horizontally, and the push rod cross brace 3 is arranged between the first push rod frame 14 and the second push rod frame 24;

The rear bracket 4 that can be folded horizontally, in this embodiment, the rear bracket 4 is disposed between the first rear bracket 12 and the second rear bracket 22 . Or, not shown, the rear support frame 4 can also be arranged between the first rear frame 12 , the second rear frame 22 , the first seat frame 15 and the second seat frame 25 .

Regarding the first push rod assembly 18 and the second push rod assembly 28, the first push rod assembly 18 includes a first slider 13, a first push rod frame 14, a first push rod slidably arranged on the first front bracket 11, and a first push rod assembly 14. The frame 14 is slidably arranged on the first sliding member 13 or is slidably arranged on the first front bracket 11, the front part of the first seat frame 15 is connected with the first sliding member 13 in rotation around the first two axes, and the first push rod frame 14 is provided with a first driving member 16 for driving the first sliding member 13 to slide upward relative to the first front bracket 11;

The second push rod assembly 28 includes a second slider 23 and a second push rod frame 24 that are slidably arranged on the second front bracket 21, and the second push rod frame 24 is slidably arranged on the second slider 23 or is slidably arranged On the second front bracket 21, the front part of the second seat frame 25 is connected with the second sliding member 23 to rotate around the second two shafts 92, and the second push rod frame 24 is provided with a device for driving the second sliding member 23 relative to the second The second driving member 26 that slides upward together with the front bracket 21, that is, during the unfolding process of the stroller frame 1, the first driving member 16 and the second driving member 26 can push the first sliding member 13 and the second sliding member 23 upward together. slide. The stroller frame has a compact structure and is smaller in volume when folded. In addition, the first slider 13 and the first push rod frame 14 can also be fixedly connected to form a whole. Similarly, the second slider 23 and the second push rod frame 24 are fixedly connected to form a whole. The first seat The front portion of the frame 15 is still rotatably connected with the first sliding member 13 around the first two axes, and the front portion of the second seat frame 25 is still rotatably connected with the second sliding member 23 around the second second axis 92 .

The first sliding member 13 is used as a sliding sleeve, which is respectively sleeved on the first front bracket 11 and the first push rod frame 14; the second sliding member 23 is used as a sliding sleeve, which is respectively sleeved on the second front bracket 21 and the second push rod Rack 24.

The first drive member 16 is fixed on the bottom of the first push rod frame 14, and the second drive member is fixed on the bottom of the second push rod frame 24. When the cart frame 1 is in the unfolded position, the first slide member 13 is pressed on the second push rod frame. On a driving member 16, the second sliding member 23 presses on the second driving member.

The lower part of the first front bracket 11 and the lower part of the second front bracket 21 are rotatably connected by a fourth shaft. The fourth axis is not shown in the figure, and there are pedals installed on the top. The bottom of the first front bracket 11 and the bottom of the second front bracket 21 are connected with the front wheel joint 17 through the fourth shaft rotation, and between the bottom of the first front bracket 11, the bottom of the second front bracket 21 and the front wheel joint 17 An expansion limiting mechanism is provided, and the wheel assembly includes a front wheel assembly 5 , and the front wheel assembly 5 is arranged on the front wheel joint 17 . The specific structure of the expansion limit mechanism is not limited, as long as the cart frame 1 is in the expanded position, the first front bracket 11 and the second front bracket 21 are fixed relative to the front wheel joints and cannot be further rotated outward. The front wheel assembly 5 can also be directly fixed on the lower part of the first front bracket 11 or the lower part of the second front bracket 21 . The wheel assembly also includes a first rear wheel assembly 6 and a second rear wheel assembly 7 , the first rear wheel assembly 6 is arranged at the lower part of the first rear support 12 , and the second rear wheel assembly 7 is arranged at the lower part of the second rear support 22 .

The push cart frame 1 can stand on the ground after the front wheel assembly 5, the bottom of the first push rod frame 11 and the bottom of the second push rod frame 12 after being folded, and the structure is simple.

The locking mechanism includes a first side locking mechanism disposed between the first front frame 11 and the first push rod frame 14 , and a second side locking mechanism disposed between the second front frame 21 and the second push rod frame 24 . The specific structure of the first side locking mechanism and the second side locking mechanism is not the main point of the present invention, as long as the two sliding parts can be locked, it will not be repeated here.

As shown in accompanying drawing 1, push rod cross brace 3 comprises the first push rod cross bar that one end is rotatably connected with the upper part of the first push rod frame 14, and one end is rotatably connected with the upper part of the second push rod frame 24. The second push rod cross bar, the other end of the first push rod cross bar is rotatably connected to the other end of the second push rod cross bar, and the locking mechanism includes the other end of the first push rod cross bar and the second push rod cross bar. Push rod locking mechanism between the other ends of the push rod crossbar. The push rod locking mechanism is not the main point of the present utility model, as long as it is a structure capable of locking between two rotating parts.

As shown in accompanying drawing 1, the structure of back brace 4 can comprise:

vertical pole;

The first cross bar, one end of the first cross bar is rotatably connected to the upper end of the vertical bar, and the other end of the first cross bar is rotatably connected to the first rear bracket 12;

The second cross bar, one end of the second cross bar is rotatably connected to the upper end of the vertical bar, and the other end of the second cross bar is rotatably connected to the second rear bracket 22;

a slider, the slider is slidably arranged on the vertical bar;

The third cross bar, one end of the third cross bar is rotatably connected to the lower end of the vertical bar, and the other end of the third cross bar is rotatably connected to the first rear bracket 12;

The fourth cross bar, one end of the fourth cross bar is rotatably connected to the lower end of the vertical bar, and the other end of the fourth cross bar is rotatably connected to the second rear bracket 22;

a first slanting rod, one end of the first slanting rod is rotatably connected to the slider, and the other end of the first slanting rod is rotatably connected to the third cross bar;

The second slanting rod, one end of the second slanting rod is rotatably connected to the slider, and the other end of the second slanting rod is rotatably connected to the fourth cross bar.

In addition, not shown in the figure, the rear support can also be provided with a sliding piece on the first rear support and the second rear support respectively, and the rear support also includes a cross crossed by two rods and transferred at the intersection. The cross brace is connected between the two sliding parts and the first rear bracket and the second rear bracket. Or, the two sliding parts are respectively slidably arranged on the first seat frame and the second seat frame.

As mentioned above, we have fully described according to the purpose of the utility model, but the utility model is not limited to the above-mentioned embodiment and implementation method. Practitioners in the relevant technical fields can make different changes and implementations within the scope permitted by the technical ideas of the present utility model.

Claims (11)

1. child stroller, comprise go-cart vehicle frame (1) with expanded position and folding position, be arranged at seat on the described go-cart vehicle frame (1), be used for described go-cart vehicle frame (1) is locked in lockout mechanism under the expanded position, is arranged at the wheel assembly of described go-cart vehicle frame (1) bottom, it is characterized in that: described go-cart vehicle frame (1) comprising:

First front frame (11);

Second front frame (21), the bottom of the bottom of described second front frame (21) and described first front frame (11) arranges rotatedly;

First after poppet (12), the top of the top of described first front frame (11) and described first after poppet (12) is rotationally connected around the one one (81);

Second after poppet (22), the top of the top of described second front frame (21) and described second after poppet (22) is rotationally connected around the 21 (91);

First push-rod assembly (18), described first push-rod assembly (18) are slidingly arranged on described first front frame (11);

Second push-rod assembly (28), described second push-rod assembly (28) are slidingly arranged on described second front frame (21);

First seat frame (15), the front portion of described first seat frame (15) and described first push-rod assembly (18) are rotationally connected around the one or two, and the rear portion of described first seat frame (15) and described first after poppet (12) are rotationally connected around the one or three (83);

Second seat frame (25), the front portion of described second seat frame (25) and described second push-rod assembly (28) are rotationally connected around the two or two (92), the rear portion of described second seat frame (25) and described second after poppet (22) are rotationally connected around the two or three, and described seat is arranged on described first seat frame (15) and described second seat frame (25);

Push rod stull (3) that can be laterally folded, described push rod stull (3) are arranged between described first push-rod frame (14) and described second push-rod frame (24);

Back pole-bracket that can be laterally folded (4), described back pole-bracket (4) is arranged between described first after poppet (12) and described second after poppet (22), and perhaps described back pole-bracket (4) is arranged between described first after poppet (12), described second after poppet (22), described first seat frame (15) and described second seat frame (25).

2. a kind of child stroller according to claim 1 is characterized in that:

Described first push-rod assembly (18) comprises first sliding part (13) that is slidingly arranged on described first front frame (11), first push-rod frame (14), described first push-rod frame (14) is slidingly arranged in described first sliding part (13) or is slidingly arranged on described first front frame (11), the front portion of described first seat frame (15) and described first sliding part (13) are rotationally connected around described the one or two, and described first push-rod frame (14) is provided with for driving first actuator (16) that described first sliding part (13) described relatively first front frames (11) upwards slide together;

Described second push-rod assembly (28) comprises second sliding part (23) that is slidingly arranged on described second front frame (21), second push-rod frame (24), described second push-rod frame (24) is slidingly arranged in described second sliding part (23) or is slidingly arranged on described second front frame (21), the front portion of described second seat frame (25) and described second sliding part (23) are rotationally connected around described the two or two (92), and described second push-rod frame (24) is provided with for driving second actuator (26) that described second sliding part (23) described relatively second front frames (21) upwards slide together.

3. a kind of child stroller according to claim 2, it is characterized in that: described first sliding part (13) is sliding sleeve, is set in respectively on described first front frame (11) and described first push-rod frame (14); Described second sliding part (23) is sliding sleeve, is set in respectively on described second front frame (21) and described second push-rod frame (24).

4. a kind of child stroller according to claim 2, it is characterized in that: described first actuator (16) is fixed on the bottom of described first push-rod frame (14), described second actuator is fixed on the bottom of described second push-rod frame (24), when described go-cart vehicle frame (1) is under the expanded position, described first sliding part (13) is pressed on described first actuator (16), and described second sliding part (23) is pressed on described second actuator.

5. a kind of child stroller according to claim 1, it is characterized in that: described first push-rod assembly (18) comprises first push-rod frame (14) that is slidingly arranged on described first front frame (11), is fixedly installed on first sliding part (13) on described first push-rod frame (14), and the front portion of described first seat frame (15) and described first sliding part (13) are rotationally connected around described the one or two;

Described second push-rod assembly (28) comprises second push-rod frame (24) that is slidingly arranged on described second front frame (21), is fixedly installed on second sliding part (23) on described second push-rod frame (24), and the front portion of described second seat frame (25) and described second sliding part (23) are rotationally connected around described the two or two.

6. a kind of child stroller according to claim 1, it is characterized in that: the bottom of the bottom of described first front frame (11), described second front frame (21) is by the 4th connection that rotates.

7. a kind of child stroller according to claim 5, it is characterized in that: the bottom of the bottom of described first front frame (11), described second front frame (21) is rotatably connected to front-wheel joint (17) by described the 4th, and be provided with the expansion stop gear between the bottom of the bottom of described first front frame (11), described second front frame (21) and the described front-wheel joint (17), described wheel assembly comprises front component (5), and described front component (5) is arranged on the described front-wheel joint (17).

8. a kind of child stroller according to claim 1, it is characterized in that: described wheel assembly also comprises first wheel assembly (6) and second wheel assembly (7), described first wheel assembly (6) is arranged at the bottom of described first after poppet (12), and described second wheel assembly (7) is arranged at the bottom of described second after poppet (22).

9. a kind of child stroller according to claim 1 is characterized in that: described lockout mechanism comprises the first side lock mechanism that is arranged between described first front frame (11) and described first push-rod frame (14), is arranged at the second side lock mechanism between described second front frame (21) and described second push-rod frame (24).

10. a kind of child stroller according to claim 1, it is characterized in that: described push rod stull (3) comprises the first push rod cross bar that an end and the top of described first push-rod frame (14) rotate and is connected, the second push rod cross bar that one end and the top of described second push-rod frame (24) rotate and is connected, the other end of the described first push rod cross bar rotates with the other end of the described second push rod cross bar and is connected, and described lockout mechanism comprises the push rod lockout mechanism between the other end of the other end of being arranged at the described first push rod cross bar and the described second push rod cross bar.

11. a kind of child stroller according to claim 1 is characterized in that: the structure of described back pole-bracket (4) can be to comprise:

Montant;

First cross bar, an end of described first cross bar rotate with the upper end of described montant and are connected, and the other end of described first cross bar rotates with described first after poppet (12) and is connected;

Second cross bar, an end of described second cross bar rotate with the upper end of described montant and are connected, and the other end of described second cross bar rotates with described second after poppet (22) and is connected;

Slide block, described slide block are slidingly arranged on the described montant;

The 3rd cross bar, an end of described the 3rd cross bar rotate with the bottom of described montant and are connected, and the other end of described the 3rd cross bar rotates with described first after poppet (12) and is connected;

The 4th cross bar, an end of described the 4th cross bar rotate with the bottom of described montant and are connected, and the other end of described the 4th cross bar rotates with described second after poppet (22) and is connected;

First brace, an end of described first brace rotate with described slide block and are connected, and described first brace the other end rotates with described the 3rd cross bar and is connected;

Second brace, described second brace one end rotates with described slide block and is connected, and described second brace the other end rotates with described the 4th cross bar and is connected.

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