CN201999047U - Stroller for children - Google Patents

Abstract

A trolley for children, comprising a trolley frame, a front wheel assembly, a rear wheel assembly, a locking mechanism, and a seat mechanism arranged on the trolley frame, the stroller frame includes a front bracket, which slides along the length direction of the front bracket A sliding piece arranged on the ground, a connecting rod rotatably connected to the sliding piece at one end, a rear support rod rotatably connected to the rear part of the front bracket at the lower end, and a rear bracket rotatably connected to the sliding piece or the connecting rod 1. A push rod whose lower end is rotatably connected to the upper end of the rear bracket, the other end of the connecting rod is rotatably connected to the rear strut, and the upper end of the rear strut is rotatably connected to the push rod. After the locking mechanism is unlocked, turn the push rod backward and downward, the slider moves forward along the front bracket, drives the connecting rod to move forward, the upper end of the rear support rod moves downward, the rear bracket moves forward and moves closer to the front bracket, The push rod is close to the front bracket and the rear bracket, and the cart frame can be folded. After folding, the volume is small and the shape is relatively simple.

Description

toddler stroller

technical field

The utility model relates to a trolley for children.

Background technique

The infant stroller in the prior art includes a stroller frame with an unfolded position and a folded position, a wheel assembly arranged on the lower part of the stroller frame, a seat mechanism arranged on the stroller frame, and a A locking mechanism for locking the cart frame in the deployed position. 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 trolley for infants.

In order to solve the above-mentioned technical problems, the technical solution adopted by the utility model is: a baby stroller, including a stroller frame with an unfolded position and a folded position, a front wheel assembly, a rear wheel assembly, and locking the stroller frame The locking mechanism in the unfolded position, the seat mechanism arranged on the cart frame, the cart frame includes

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

a sliding piece, the sliding piece is slidably arranged along the length direction of the front bracket;

a connecting rod, one end of the connecting rod is rotatably connected to the slider through the fourth rotating shaft;

a rear strut, the lower end of the rear strut is rotationally connected to the rear of the front bracket through a first rotating shaft, and the other end of the connecting rod is connected to the rear strut through a fifth the shafts are connected in rotation;

a rear bracket, the rear bracket is rotationally connected with the slider or the connecting rod, and the rear wheel assembly is arranged at the lower part of the rear bracket;

a push rod, the lower end of the push rod is rotatably connected to the upper end of the rear bracket through the second shaft, and the upper end of the rear support rod is rotated with the push rod through the third shaft ground connection.

In some embodiments, the sliding member, one end of the connecting rod and the rear bracket are rotatably connected through the fourth rotating shaft.

In some embodiments, the locking mechanism is disposed between the sliding member and the front bracket.

In some embodiments, the fifth rotating shaft is located between the first rotating shaft and the third rotating shaft.

In some embodiments, the third rotating shaft is located above the second rotating shaft.

In some embodiments, the push rod is only provided with a connecting part slidably along its length direction, and there is a device between the connecting part and the push rod that can lock the connecting part in Seat locking mechanisms in at least two working positions, the seat mechanism is connected to the connecting portion.

In some further embodiments, the seat mechanism is detachably connected to the connecting portion.

In some embodiments, the cart frame includes side brackets that are located on the left and right sides of the cart frame and respectively constitute link mechanisms, and are connected between the side brackets on both sides. The connecting frame, the side brackets on each side include the front brackets, the sliding parts, the connecting rods, the rear struts, the rear brackets, and the push rods.

In some further embodiments, the connecting frame is a plurality of cross bars fixedly connected between the side brackets on both sides.

In some still further embodiments, the side brackets on each side further include a push handle, and the push handle is slidably arranged with the push rod along the length direction of the push rod, so A push handle locking mechanism is arranged between the push handle and the push rod. The volume of the stroller frame is further reduced when folded.

The orientation words such as upper, lower, front, and rear involved above are defined when the cart frame is located in the expanded position, the position where the front wheel assembly is located is the front, and the position where the rear wheel assembly is located is the rear.

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-mentioned technical solutions, the utility model has the following advantages compared with the prior art: after the locking mechanism is unlocked, the push rod is rotated backward and downward, and the slider moves forward along the front bracket, driving the connecting rod to move forward , the upper end of the rear support rod moves downward, the rear support moves forward and moves closer to the front support, the push rod and the front support and the rear support are all close together, the cart frame is folded, the volume is smaller after folding, and the shape is simpler .

Description of drawings

Accompanying drawing 1 is the front view of the utility model (the cart frame is located under the expanded position);

Accompanying drawing 2 is the front view of the present utility model (the cart frame is in the process of transforming from the unfolded position to the folded position);

Accompanying drawing 3 is the three-dimensional view of the present utility model (the cart frame is in the process of converting from the unfolded position to the folded position);

Accompanying drawing 4 is the front view of the utility model (the cart frame is located in the folded position);

Accompanying drawing 5 is the three-dimensional view of the present utility model (cart frame is positioned at folded position).

Among them: 1. Cart frame; 2. Front wheel assembly; 3. Rear wheel assembly; 4. Seat mechanism; 5. Front support; 6. Rear support; Rod; 10, connecting rod; 11, push handle; 12, connecting part; 13, first rotating shaft; 14, second rotating shaft; 15, third rotating shaft; 16, fourth rotating shaft; 17, fifth rotating shaft.

Detailed ways

As shown in accompanying drawing 1-accompanying drawing 5, a kind of trolley for children, comprises the stroller frame 1 that has expanded position and folded position, front wheel assembly 2, rear wheel assembly 3, described stroller frame 1 is locked The locking mechanism under the unfolded position, the seat mechanism 4 arranged on the cart frame 1,

The cart frame 1 includes side brackets respectively constituting a linkage mechanism at the left and right sides of the cart frame 1, and a connecting frame connected between the side brackets on both sides. The connecting frame is a plurality of cross bars fixedly connected between the side brackets on both sides.

The side brackets on each side include

Front bracket 5, the front wheel assembly 2 is arranged on the lower part of the front bracket 5;

A slider 7, the slider 7 is slidably arranged along the length direction of the front bracket 5;

A connecting rod 10, one end of the connecting rod 10 is rotatably connected to the slider 7 through the fourth rotating shaft 16;

Rear strut 8, the lower end of said rear strut 8 is rotatably connected to the rear of said front bracket 5 through a first rotating shaft 13, and the other end of said connecting rod 10 is connected to said rear The strut 8 is rotatably connected through the fifth rotating shaft 17;

The rear bracket 6, the slider 7, one end of the connecting rod 10 and the rear bracket 6 are rotationally connected through the fourth rotating shaft 16, and the rear wheel assembly 3 is set At the bottom of the rear bracket 6;

Push rod 9, the lower end of said push rod 9 is rotationally connected to the upper end of said rear bracket 6 through a second rotating shaft 14, and the upper end of said rear support rod 8 is connected to said push rod 9 Rotationally connected via a third shaft 15 .

Not shown in the figure, the locking mechanism is disposed between the sliding member 7 and the front bracket 5 . Described locking mechanism is not the gist of the invention of the present utility model, as long as it is the locking mechanism that can lock two phase sliding parts, it can be used here. 7 is provided with spring pin, when locking, spring pin is inserted in the locking hole. After locking, the rear strut 8, the connecting rod 10 and the front bracket 5 form a triangular mechanism. In addition, the locking mechanism can also be arranged between the connecting rod 10 and the rear brace 8 , or between the rear brace 8 and the front bracket 5 .

As shown in accompanying drawings 1 to 3 , the fifth rotating shaft 17 is located between the first rotating shaft 13 and the third rotating shaft 15 . The third rotating shaft 15 is located above the second rotating shaft 14 .

As shown in the drawings, the push rod 9 is only provided with a connecting part 12 slidably along its length direction, and a connecting part 12 is provided between the described connecting part 12 and the described push rod 9. The connecting part 12 is locked to the seat locking mechanism in at least two working positions, and the seat mechanism 4 is fixedly connected or detachably connected to the connecting part 12 . The specific structure of the seat locking mechanism is not limited, as long as it is a mechanism that can lock two parts that slide relatively, it can be used here. For example, a plurality of locking holes are distributed along the lengthwise direction of the push rod 9, and a spring pin is provided on the connecting portion 12, and the spring pin is inserted into a certain locking hole during locking. The user can lock the connecting portion 12 in a suitable position according to his own needs.

As shown in the drawings, the side brackets on each side also include a push handle 11, and the push handle 11 is arranged to slide with the push rod 9 along the length direction of the push rod 9, A push handle locking mechanism is arranged between the push handle 11 and the push rod 9 . When the cart frame 1 is folded, the push handle locking mechanism can also be unlocked, and the push handle 11 is folded closer to the push rod 9 along the length direction of the push rod 9, further reducing the size of the push cart frame 1. After the volume is folded, the dimensions of the cart frame 1 in the up-down, front-back directions are all reduced. The push handle locking mechanism is not the invention point of the present utility model, as long as it is a locking mechanism that can lock two sliding parts, it can be used here, and the specific structure will not be repeated.

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 (10)

1. A trolley for infants, comprising a stroller frame (1) with an unfolded position and a folded position, a front wheel assembly (2), a rear wheel assembly (3), locking the stroller frame (1) to The locking mechanism in the unfolded position, the seat mechanism (4) arranged on the cart frame (1), is characterized in that: the cart frame (1) includes The front bracket (5), the front wheel assembly (2) is arranged at the lower part of the front bracket (5); a sliding piece (7), the sliding piece (7) is slidably arranged along the length direction of the front bracket (5); A connecting rod (10), one end of the connecting rod (10) is rotatably connected to the slider (7) through the fourth rotating shaft (16); The rear strut (8), the lower end of the rear strut (8) is rotationally connected to the rear of the front bracket (5) through the first rotating shaft (13), and the connecting rod (10 ) is rotationally connected with the rear strut (8) through the fifth rotating shaft (17); The rear bracket (6), the rear bracket (6) is rotationally connected with the slider (7) or the connecting rod (10), and the rear wheel assembly (3) is arranged on the The lower part of the rear bracket (6) mentioned above; Push rod (9), the lower end of the push rod (9) is rotatably connected to the upper end of the rear bracket (6) through the second rotating shaft (14), and the rear support rod (8) The upper end of the push rod (9) is rotatably connected to the push rod (9) through the third rotating shaft (15). 2. The baby stroller according to claim 1, characterized in that: said sliding member (7), one end of said connecting rod (10) and said rear bracket (6) pass through said The fourth rotating shaft (16) is rotationally connected. 3. The baby stroller according to claim 1, characterized in that: the locking mechanism is arranged between the sliding member (7) and the front bracket (5). 4. The baby stroller according to claim 1, characterized in that: the fifth rotating shaft (17) is located between the first rotating shaft (13) and the third rotating shaft (15). 5. The baby stroller according to claim 1, characterized in that: the third rotating shaft (15) is located above the second rotating shaft (14). 6. The infant stroller according to claim 1, characterized in that: the push rod (9) is only provided with a connecting part (12) slidably along its length direction, and the connecting part (12) and A seat locking mechanism capable of locking the connecting part (12) in at least two working positions is provided between the push rods (9), and the seat mechanism (4) and the connecting part (12) ) are connected. 7. The baby stroller according to claim 6, characterized in that: the seat mechanism (4) is detachably connected to the connecting portion (12). 8. The baby stroller according to any one of the above claims, characterized in that: the stroller frame (1) includes connecting parts located on the left and right sides of the stroller frame (1). The side bracket of the rod mechanism, the connecting frame connected between the side brackets on both sides, the side brackets on each side include the front bracket (5), the sliding piece (7), the The connecting rod (10), the rear strut (8), the rear bracket (6), and the push rod (9). 9. The baby stroller according to claim 8, wherein the connecting frame is a plurality of cross bars fixedly connected between the side brackets on both sides. 10. The baby stroller according to claim 8, characterized in that: the side brackets on each side further include push handles (11), and the push handles (11) are along the push rods (9) The length direction of the push rod (9) is set to slide with the push rod (9), and a push handle locking mechanism is arranged between the push handle (11) and the push rod (9).

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