CN203032729U - Foldable stroller - Google Patents

Abstract

The utility model discloses a foldable stroller comprising a foldable stroller frame, a front wheel, rear wheels and a locking device. The front wheel and the rear wheels are mounted below the stroller frame. The locking device mounted on the stroller frame is used for locking the stroller frame in an opening state. The stroller frame comprises a left front wheel support, a right front wheel support, a left rear wheel support, a right rear wheel support, a left lower push rod, a right lower push rod, a left upper push rod, a right upper push rod, a first cross-shaped supporting rod, a second cross-shaped supporting rod, a left seat rod and a right seat rod. According to the technical scheme, the foldable stroller is concise in molding and comprises only one rear cross-shaped supporting component; rod pieces of the overall foldable stroller are fewer than those of an existing stroller, so that cost is reduced; and since being able to stand independently after being folded, the stroller is convenient to place.

Description

folding stroller

technical field

The utility model relates to a folding stroller for children.

Background technique

In order to store conveniently, most of the children's strollers are foldable. The existing foldable children's strollers are equipped with cross brace components at the rear and bottom of the stroller frame, and the whole vehicle has many rods and high manufacturing cost.

Contents of the invention

In order to solve the above problems, the purpose of this utility model is to provide a folding stroller for children.

In order to achieve the above purpose, the technical solution adopted by the utility model is: a foldable children's stroller, which includes a foldable stroller frame, front wheels and rear wheels installed under the stroller frame, Locking device to hold and lock the cart frame in the open position, the cart frame includes

left front wheel bracket;

Right front wheel support, the bottom of right front wheel support and left front wheel support is hinged, and front wheel is arranged on the bottom of left front wheel support and right front wheel support;

The left rear wheel support, the upper part of the left rear wheel support is hinged with the middle part of the left front wheel support, and the left rear wheel is installed on the bottom of the left rear wheel support;

The right rear wheel support, the upper part of the right rear wheel support is hinged with the middle part of the right front wheel support, and the right rear wheel is installed on the bottom of the right rear support;

Left lower push rod, the lower part of the left lower push rod is hinged with the middle part of the left rear wheel bracket;

Right lower push rod, the lower part of the right lower push rod is hinged with the middle part of the right rear wheel bracket;

Left upper push rod, the lower part of the left upper push rod is hinged with the upper part of the left lower push rod, and the upper part of the left front wheel bracket is slidably and rotatably connected to the middle part of the left upper push rod;

The upper right push rod, the lower part of the upper right push rod is hinged with the upper part of the lower right push rod, and the upper part of the right front wheel bracket is slidably and rotatably connected to the middle part of the upper right push rod;

The first cross brace, the upper part of the first cross brace is connected with a universal hinge, and the universal hinge is slidably connected to the upper left push rod, and the lower part of the first cross brace is connected with the lower right push rod through the universal hinge. connected;

The second cross brace, the upper part of the second cross brace is connected with a universal hinge, and the universal hinge is slidably connected to the upper right push rod, and the bottom of the second cross brace is connected with the lower right push rod through the universal hinge. connected;

Left seat rod, the front part of the left seat rod is hinged with the middle part of the left front wheel bracket, and the rear part of the left seat rod is hinged with the left lower push rod;

Right seat rod, the front part of the right seat rod is hinged with the middle part of the right front wheel support, and the rear part of the right seat rod is hinged with the lower right push rod.

The front and rear directions mentioned in this application are defined according to the normal use habits of the stroller, and the forward direction during normal use is the front, otherwise it is the rear.

Further, the upper part of the left front wheel bracket is hinged with a left connecting piece, which is slidably connected to the left upper push rod, and the universal hinge connected to the upper part of the first cross brace is connected to the left connecting piece.

Furthermore, the upper part of the right front wheel bracket is hinged with a right connecting piece, which is slidably connected to the upper right push rod, and the universal hinge connected to the upper part of the second cross brace is connected to the right connecting piece.

Further, the middle part of the first cross strut and the second cross strut is hinged, and the pivot axis of the first cross strut and the second cross strut is hinged with the hinge axis of the left front wheel bracket and the right front wheel bracket at On the same plane, the cart frame is symmetrical about this plane.

Further, the locking device is arranged between the upper left push rod and the lower left push rod and between the upper right push rod and the lower right push rod.

Preferably, push handles are provided on the upper parts of the upper left push rod and the upper right push rod.

Due to the adoption of the above-mentioned technical solution, the folding stroller of the utility model has a simple shape, only includes a rear cross support assembly, and the whole vehicle has fewer rods than the existing folding stroller, which reduces the cost, and the stroller can stand on its own after folding , easy to store.

Description of drawings

Accompanying drawing 1 is the three-dimensional structural schematic diagram of the foldable children's stroller of the present invention in the open state;

Accompanying drawing 2 is the three-dimensional structural schematic diagram of the folding stroller of the utility model in the folded state;

Accompanying drawing 3 is the front view of the utility model folding children's stroller;

Accompanying drawing 4 is the side view of the folding stroller of the utility model.

The labels in the figure are:

10. Left rear wheel; 11. Left front wheel support; 12. Left rear wheel support; 13. Left lower push rod; 14. Left upper push rod; Connector;

20. Right rear wheel; 21. Right front wheel support; 22. Right rear wheel support; 23. Right lower push rod; 24. Right upper push rod; right connector;

30. Front wheel;

40. Locking device;

50. Push the handle. the

Detailed ways

The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, so as to define the protection scope of the present invention more clearly.

As can be seen from the structural diagrams of accompanying drawings 1 to 4, the utility model provides a foldable children's stroller, which includes a foldable stroller frame, a front wheel 30 installed below the stroller frame, and a rear Wheels, be installed on the cart frame and lock the cart frame in an open state locking device 40, the cart frame includes

Left front wheel bracket 11;

Right front wheel support 21, the bottom of right front wheel support 21 and left front wheel support 11 is hinged by axle A, and front wheel 30 is arranged on the bottom of left front wheel support 11 and right front wheel support 21;

Left rear wheel support 12, the top of left rear wheel support 12 is hinged with the middle part of left front wheel support 11 by axle B, and the bottom of left rear wheel support 12 is equipped with left rear wheel 10;

Right rear wheel support 22, the top of right rear wheel support 22 is hinged with the middle part of right front wheel support 21 by axle B, and the bottom of right rear support 12 is equipped with right rear wheel 20;

Left lower push rod 13, the bottom of left lower push rod 13 is hinged with the middle part of left rear wheel support 12 through axis C;

Right lower push rod 23, the bottom of right lower push rod 23 is hinged with the middle part of right rear wheel support 22 through axis C;

Left upper push rod 14, the bottom of left upper push rod 14 and the top of left lower push rod 13 are hinged by axle D, the top of left front wheel support 11 is slidably and rotatably connected to the middle part of left upper push rod 14, left front wheel support 11 The rotation axis that rotates relative to the upper left push rod 14 is axis E;

Right upper push rod 24, the bottom of right upper push rod 24 and the top of right lower push rod 23 are hinged by axle D, the top of right front wheel support 21 is slidably and rotatably connected to the middle part of right upper push rod 24, right front wheel The relative rotation axis of support 21 and upper right push rod 24 is axis E;

The first cross brace 15, the top of the first cross brace 15 is connected with a universal hinge, and the universal hinge is slidably connected to the upper left push rod 14, and the bottom of the first cross brace 15 is connected with the universal hinge through the universal hinge. The lower right push rod 23 is connected;

The second cross brace 25, the top of the second cross brace 25 is connected with a universal hinge, and the universal hinge is slidably connected to the upper right push rod 24, and the bottom of the second cross brace 25 is connected with the universal hinge through the universal hinge. The lower right push rod 13 is connected;

The left seat rod 16, the front part of the left seat rod 16 is hinged with the middle part of the left front wheel bracket 11 through the axis F, and the rear part of the left seat rod 16 is hinged with the left lower push rod 13 through the axis G;

Right seat rod 26, the front part of right seat rod 26 is hinged with the middle part of right front wheel support 21 by axis F, and the rear part of right seat rod 26 is hinged with right lower push rod 23 by axis G.

Axis B, axis C, axis D, axis E, axis F and axis G are parallel to each other.

In this embodiment, the upper part of the left front wheel bracket 11 is hinged with a left connecting piece 17, and the left connecting piece 17 is slidably connected to the left upper push rod 14, and the universal hinge connected to the upper part of the first cross brace 15 On the left connector 17.

Correspondingly, the top of the right front wheel bracket 21 is hinged with a right connector 27, which is slidably connected to the upper right push rod 24, and the universal hinge connected to the second cross brace 25 top is connected to the right connector. Item 27 on.

The top of the first cross brace 15 is rotatably connected with the universal hinge through the axis J, and the universal hinge is rotatably connected with the left connecting piece 17 through the axis I, and the bottom of the first cross brace 15 is connected with the universal hinge through the axis L. The universal hinge is rotatably connected to the lower right push rod 23 through the axis C; the upper part of the second cross brace 25 is rotatably connected to the universal hinge through the axis K, and the universal hinge is rotatably connected to the right push rod through the axis I. On the connecting piece 27 , the lower part of the second cross brace 25 is rotatably connected to the universal hinge through the axis M, and the universal hinge is rotatably connected to the lower left push rod 13 through the axis C. Axis I is parallel to axis C.

The middle parts of the first cross brace 15 and the second cross brace 25 are hinged by the axis H. Axis H is on the same plane as Axis A, Axis B, Axis C, Axis D, Axis E, Axis F, Axis G and Axis I are perpendicular to this plane, and the cart frame is symmetrical about this plane.

The locking device 40 is arranged between the upper left push rod 14 and the lower left push rod 13 and between the upper right push rod 24 and the lower right push rod 23, by limiting between the upper left push rod 14 and the lower left push rod 13 and between the upper right push rod 24 and the right Lower the relative position between the push rods 23 to lock the cart frame in the open state.

The top of the upper left push rod 14 and the upper right push rod 24 is provided with a push handle 50, which is convenient for adults to push the cart.

In the state where the cart frame is fully opened, unlock the locking device 40, then press the upper push rods 14, 24 downwards, the connecting parts 17, 27 move upwards along the upper push rods 14, 24, and each rod rotates around each rotation axis Rotate, the front wheel brackets 11, 21 and the rear wheel brackets 12, 22 are folded back and forth, and at the same time they are brought together left and right to achieve the purpose of folding the cart frame, and the folded cart frame can stand on its own; in the folded state of the cart frame Next, pull the cart frame upwards until the cart frame is fully opened and the locking device 40 is locked, and the cart frame can be used.

The above-mentioned embodiments are only to illustrate the technical concept and characteristics of the present utility model, and its purpose is to enable those familiar with this technology to understand the content of the present utility model and implement it accordingly, and not to limit the protection scope of the present utility model. All equivalent changes or modifications made according to the spirit of the utility model shall fall within the protection scope of the utility model.

Claims (6)

1. folding children trolley, it is characterized in that: it comprises folding go-cart vehicle frame, is installed in front vehicle wheel (30) and the rear wheel (10 of described go-cart vehicle frame below, 20), be installed on the described go-cart vehicle frame and described go-cart vehicle frame be locked in the blocking device (40) of open mode, described go-cart vehicle frame comprises

The near front wheel support (11);

Off front wheel support (21), described off front wheel support (21) is hinged with the bottom of the near front wheel support (11), and described front vehicle wheel (30) is arranged on the bottom of the near front wheel support (11) and off front wheel support (21);

Left rear wheel support (12), the middle part of the top of described left rear wheel support (12) and the near front wheel support (11) is hinged, and the bottom of described left rear wheel support (12) is equipped with left back wheel (10);

Off hind wheel support (22), the middle part of the top of described off hind wheel support (22) and off front wheel support (21) is hinged, and the bottom of described right back support (12) is equipped with right rear wheel (20);

Lower-left push rod (13), the middle part of the bottom of described lower-left push rod (13) and left rear wheel support (12) is hinged;

Bottom right push rod (23), the middle part of the bottom of described bottom right push rod (23) and off hind wheel support (22) is hinged;

Upper left push rod (14), the top of the bottom of described upper left push rod (14) and lower-left push rod (13) is hinged, and the top of described the near front wheel support (11) is slidably and be rotatably connected to the middle part of upper left push rod (14);

Upper right push rod (24), the top of the bottom of described upper right push rod (24) and bottom right push rod (23) is hinged, and the top of described off front wheel support (21) is slidably and be rotatably connected to the middle part of upper right push rod (24);

The first cross strut (15), the top of the described first cross strut (15) is connected with universal coupling, and this universal coupling is connected on the upper left push rod (14) slidably, and the bottom of the described first cross strut (15) is connected with bottom right push rod (23) by universal coupling;

The second cross strut (25), the top of the described second cross strut (25) is connected with universal coupling, and this universal coupling is connected on the upper right push rod (24) slidably, and the bottom of the described second cross strut (25) is connected with bottom right push rod (13) by universal coupling;

Left side seat pocket bar (16), the front portion of described left side seat pocket bar (16) and the middle part of the near front wheel support (11) are hinged, and rear portion and the lower-left push rod (13) of described left side seat pocket bar (16) are hinged;

Right seat pocket bar (26), the front portion of described right seat pocket bar (26) and the middle part of off front wheel support (21) are hinged, and rear portion and the bottom right push rod (23) of described right seat pocket bar (26) are hinged.

2. folding children trolley according to claim 1, it is characterized in that: the upper articulation of described the near front wheel support (11) has a left attaching parts (17), this left side attaching parts (17) is connected on the upper left push rod (14) slidably, and the universal coupling that is connected described first cross strut (15) top is connected on the described left attaching parts (17).

3. folding children trolley according to claim 1, it is characterized in that: the upper articulation of described off front wheel support (21) has a right attaching parts (27), this right side attaching parts (27) is connected on the upper right push rod (24) slidably, and the universal coupling that is connected described second cross strut (25) top is connected on the described right attaching parts (27).

4. folding children trolley according to claim 1, it is characterized in that: the middle part of the described first cross strut (15) and the second cross strut (25) is hinged.

5. folding children trolley according to claim 1 is characterized in that: described blocking device (40) is arranged between upper left push rod (14) and the lower-left push rod (13) and between upper right push rod (24) and the bottom right push rod (23).

6. folding children trolley according to claim 1, it is characterized in that: the top of described upper left push rod (14) and upper right push rod (24) is provided with handle (50).

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