CN201914295U - Infant stroller - Google Patents

Abstract

A stroller for infants, comprising a stroller frame with an unfolded position and a folded position, a front wheel assembly arranged at the front and lower part of the stroller frame, a rear wheel assembly arranged at the rear and lower part of the stroller frame, and the stroller frame The locking mechanism locked in the unfolded position, the seat mechanism arranged on the stroller frame, the stroller frame includes a front bracket extending in the longitudinal direction along the front-to-back direction, and a push-down slidingly arranged with the front bracket along the length direction The rod, the front end portion and the front end portion of the front bracket are rotatably connected to the bottom frame around the first rotating shaft, and the upper end is rotatably connected to the lower push rod through the second rotating shaft. When the cart frame is in the transition process from the unfolded position to the folded position, the lower push rod slides toward the bottom of the cart frame, the bottom frame, the front bracket and the lower push rod are all close together, the whole cart is folded, and the structure of the cart frame Simple, clean shape.

Description

a baby stroller

technical field

The utility model relates to a child stroller.

Background technique

A baby stroller in the prior art, comprising a stroller frame with an unfolded position and a folded position, a wheel assembly arranged at the lower part of the stroller frame, and a seat arranged on the stroller frame mechanism, a locking mechanism for locking the cart frame in an unfolded 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 stroller for infants.

In order to solve the above 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 arranged at the front and lower side of the stroller frame, The rear wheel assembly arranged at the rear and lower part of the cart frame, the locking mechanism for locking the cart frame at the unfolded position, and the seat mechanism arranged on the cart frame, the Cart frame includes

A front bracket, the length direction of the front bracket extends along the front-to-back direction;

a lower push rod, the length direction of the lower push rod extends along the front-to-rear direction, and the lower push rod is slidably arranged with the front bracket along the length direction;

The bottom frame, the front end of the bottom frame is connected to the front end of the front bracket in a rotatable manner around the first rotating shaft, the rear wheel assembly is arranged on the rear end of the bottom frame, the The front wheel assembly is arranged on the front end of the underframe or on the front end of the front bracket; the front end of the underframe and the front end of the front bracket rotate around the first shaft, which refers to the front end of the underframe There is a rotational relationship between the front end and the front end of the front bracket, and the first rotating shaft is the center of rotation.

a support bracket, the upper end of the support bracket is rotationally connected with the lower push rod through the second rotating shaft, and the lower end of the support bracket is rotationally connected with the bottom frame through the third rotating shaft, The third rotating shaft is located behind the first rotating shaft.

In some embodiments, the locking mechanism is disposed between the front bracket and the lower push rod.

In some embodiments, the cart frame further includes an upper push rod, the front part of the upper push rod is slidably arranged with the rear part of the lower push rod, and the upper push rod A push handle locking mechanism is arranged between the said lower push rod.

In some further embodiments, the lower push rod has a hollow lumen, and the upper push rod is slidably inserted into the lumen.

In some embodiments, the cart frame includes side brackets on both sides, a connecting frame connected between the side brackets on both sides, and the side brackets include the front bracket, the bottom frame , the lower push rod, the support frame, the seat mechanism is arranged between the lower push rods on both sides.

In some further embodiments, the connecting frame is a plurality of cross bars arranged between the two side supports. Better rigidity.

In some embodiments, a limiting mechanism for preventing the two from being separated is provided between the front bracket and the lower push rod.

In some embodiments, when the stroller frame is in the unfolded position, the front end of the lower push rod is close to the front end of the front bracket, and when the stroller frame is in the folded position Next, the front end of the lower push rod is far away from the front end of the front bracket.

In some embodiments, the lower push rod has a hollow lumen, and the front bracket can be slidably inserted into the lumen.

The position nouns such as front, rear and lower mentioned above are defined when the cart frame is in the unfolded position, the position of the front wheel assembly is the front, and the position of the rear wheel assembly is back.

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 in the transition process from the unfolded position to the folded position, the lower push rod slides toward the bottom of the cart frame, The bottom frame, the front bracket and the lower push rod are all close together, the whole cart is folded, and the cart frame is simple in structure and simple in shape.

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 utility model (the cart frame is in the conversion process between the unfolded position and the folded position);

Accompanying drawing 3 is the front view of the utility model (the cart frame is located in the folded position).

Among them: 1. Cart frame; 2. Front wheel assembly; 3. Rear wheel assembly; 4. Front bracket; 5. Underframe; 6. Lower push rod; The second rotating shaft; 10, the third rotating shaft; 11, the upper push rod.

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 front wheel assembly 2 arranged at the front and lower side of the stroller frame 1, and a front wheel assembly 2 arranged at the front of the stroller frame 1. The rear wheel assembly 3 at the rear and lower side of the stroller frame 1 , the locking mechanism for locking the stroller frame 1 at the unfolded position, and the seat mechanism arranged on the stroller frame 1 .

Described pushcart frame 1 comprises the side support of both sides, is connected between the connecting frame between both sides side supports, and described connecting frame is a plurality of cross bars that are arranged between both sides side supports, push cart car The shelf cannot be folded horizontally. ``

The side brackets on each side include:

A front bracket 4, the length direction of the front bracket 4 extends along the front-to-back direction;

The lower push rod 6, the length direction of the lower push rod 6 extends along the front-to-back direction, and the lower push rod 6 is arranged to slide with the front bracket 4 along the length direction, and the seat mechanism Set between the lower push rods 6 on both sides, the front bracket 4 has a hollow lumen, and the lower push rods 6 can be slidably inserted into the lumen, when the cart frame In the unfolded position, the front end of the lower push rod 6 is close to the front end of the front bracket 4, that is, the lower push rod 6 is eye-catching, and the shape is relatively simple;

Underframe 5, the front end of the underframe 5 is connected to the front end of the front bracket 4 in a rotatable manner around the first rotating shaft 8, such as the front end of the underframe 5 and the front bracket 4 The front ends of the front end parts can be directly connected through the first rotating shaft 8 in a rotational manner, and can also be connected by sliding along the arc track line between the underframe 5 and the front bracket 4, and the center of the arc is the first Rotating shaft 8, the rear wheel assembly 3 is arranged on the rear end of the chassis 5, the front wheel assembly 2 is arranged on the front end of the chassis 5, or the front wheel assembly 2 can be arranged at the front end of the front bracket 4;

Bracket 7, the upper end of the bracket 7 is rotationally connected with the lower push rod 6 through the second rotating shaft 9, the lower end of the bracket 7 is connected with the bottom frame 5 through the third The rotating shafts 10 are rotatably connected, and the third rotating shaft 10 is located behind the first rotating shaft 8 .

The locking mechanism is arranged between the front bracket 4 and the lower push rod 6 . The locking mechanism described above is not the gist of the invention of the present utility model, as long as it is a locking mechanism capable of locking two sliding parts, any locking mechanism can be used here, and the specific structure will not be repeated here.

The trolley frame 1 also includes an upper push rod 11. In this embodiment, the front portion of the upper push rod 11 is slidably set with the rear portion of the lower push rod 6, and the upper push rod 6 is A push handle locking mechanism is arranged between the push rod 11 and the lower push rod 6 . The said push handle locking mechanism can be used here as long as it can lock two sliding parts.

Not shown in the figure, it is also possible to rotate the front part of the upper push rod 11 and the rear part of the lower push rod 6, because the purpose is to push up the push rod when the cart frame 1 is in the unfolded position. The height of the bar 11 is such that most pushers feel comfortable, and when the pushchair frame 1 is in the folded position, the bulk of the pushcart frame 1 is small.

A limiting mechanism is provided between the front bracket 4 and the lower push rod 6 to prevent the two from being disengaged, not shown in the figure, and the limiting mechanism includes a rear The first limiting portion on the end, the second limiting portion arranged on the front end of the lower push rod 6, the front end of the current bracket 4 is far away from the front end of the lower push rod 6 to In the limit position, the first limiting part is in conflict with the second limiting part.

As shown in Figure 1, when the cart frame 1 is in the expanded position, the front end of the lower push rod 6 is close to the front end of the front bracket 4, as shown in Figure 3, when The cart frame 1 is in the folded position, and the front end of the lower push rod 6 is far away from the front end of the front bracket 4 .

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 (9)

1. child stroller, comprise go-cart vehicle frame (1), the front component (2) that is arranged at described go-cart vehicle frame (1) front lower place with expanded position and folding position, the wheel assembly (3) that is arranged at described go-cart vehicle frame (1) back lower place, described go-cart vehicle frame (1) be locked in lockout mechanism under the expanded position, be arranged at the seat mechanism on the described go-cart vehicle frame (1) that it is characterized in that: described go-cart vehicle frame (1) comprises

Front frame (4), the length direction of described front frame (4) extends along fore-and-aft direction;

Lower push-rod (6), the length direction of described lower push-rod (6) extends along fore-and-aft direction, and described lower push-rod (6) alongst is provided with mutually slidably with described front frame (4);

Underframe (5), the leading section of described underframe (5) is connected around first rotating shaft (8) rotatedly with the leading section of described front frame (4), described wheel assembly (3) is arranged at the rearward end of described underframe (5), and described front component (2) is arranged at the leading section of described underframe (5) or is arranged at the leading section of described front frame (4);

Support (7), the upper end of described support (7) is connected by second rotating shaft (9) rotatedly with described lower push-rod (6), the bottom of described support (7) is connected by the 3rd rotating shaft (10) rotatedly with described underframe (5), and described the 3rd rotating shaft (10) is positioned at the rear of described first rotating shaft (8).

2. a kind of child stroller according to claim 1 is characterized in that: described lockout mechanism is arranged between described front frame (4) and the described lower push-rod (6).

3. a kind of child stroller according to claim 1, it is characterized in that: described go-cart vehicle frame (1) also comprises upper push-rod (11), the front portion of described upper push-rod (11) is provided with mutually slidably with the rear portion of described lower push-rod (6), is provided with the handle lockout mechanism between described upper push-rod (11) and the described lower push-rod (6).

4. a kind of child stroller according to claim 3 is characterized in that: the tube chamber that described lower push-rod (6) has hollow, described upper push-rod (11) can be inserted in the described tube chamber slidably.

5. a kind of child stroller according to claim 1, it is characterized in that: described go-cart vehicle frame (1) comprise both sides side stand, be connected in the link span between the side stand of both sides, described side stand comprises described front frame (4), described underframe (5), described lower push-rod (6), described support (7), and described seat mechanism is arranged between the described lower push-rod (6) of both sides.

6. a kind of child stroller according to claim 5 is characterized in that: described link span is many cross bars that are arranged between the side stand of both sides.

7. a kind of child stroller according to claim 1 is characterized in that: be provided with between described front frame (4) and the described lower push-rod (6) and be used to the stop gear that prevents that both are separated.

8. a kind of child stroller according to claim 1, it is characterized in that: when described go-cart vehicle frame (1) is under the expanded position, the leading section of described lower push-rod (6) is near the leading section of described front frame (4), when described go-cart vehicle frame (1) is under the folding position, the leading section of the leading section of described lower push-rod (6) and described front frame (4) away from.

9. a kind of child stroller according to claim 1 is characterized in that: the tube chamber that described lower push-rod (6) has hollow, described front frame (4) can be inserted in the described tube chamber slidably.

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