CN205632625U - Child stroller - Google Patents

Abstract

The utility model discloses a stroller for children, which comprises a cart frame, a front wheel assembly and a rear wheel assembly arranged at the bottom of the cart frame, and a first locking mechanism for locking the cart frame in an unfolded state. Mechanism, a seat assembly detachably arranged on the push rod, the trolley frame includes a front bracket, a rear bracket, a push rod whose lower part is rotatably connected to the upper part of the rear bracket, and can be slidably set along the length extension direction of the front bracket The slider, the first connecting rod and the second connecting rod on the front bracket, the upper part of the rear bracket is rotatably connected with the slider, one end of the first connecting rod is rotatably connected with the push rod, and the other end of the first connecting rod part is rotatably connected with the front bracket, one end of the second link is rotatably connected with the first link, and the other end of the second link is rotatably connected with the sliding member. The baby stroller has a simple structure and is convenient for unfolding and folding operations, and the seat assembly is detachably arranged on the stroller frame, so that the use of the children's stroller is very convenient.

Description

stroller

technical field

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

Background technique

The children's stroller in the prior art includes a stroller frame with an unfolded position and a folded position, a front wheel assembly and a rear wheel assembly arranged at the bottom of the stroller frame for locking the stroller frame in the unfolded state The lower locking mechanism and the seat pocket assembly arranged on the trolley frame. There are many kinds of existing children's strollers, the number of rods of the stroller frame is different, and the connection positions between the rods are different, so the folding principles and folding methods are different, and the seat components of some children's strollers cannot Detaches from the stroller frame, making the stroller inconvenient to use.

Contents of the invention

The purpose of the utility model is to provide a children's stroller with a detachable seat assembly and convenient folding and unfolding operations to address the deficiencies in the prior art.

For achieving the above object, the technical scheme that the utility model adopts is:

A stroller for children, comprising a stroller frame with an expanded state and a folded state, a front wheel assembly arranged at the bottom front part of the stroller frame, a rear wheel assembly arranged at the bottom rear part of the stroller frame a wheel assembly, a first locking mechanism for locking the stroller frame in an unfolded state, the stroller frame comprising:

a front bracket for installing the front wheel assembly;

a rear bracket for mounting the rear wheel assembly,

a push rod, the lower part of the push rod is rotatably connected to the upper part of the rear bracket;

a sliding piece, the sliding piece is slidably arranged on the front bracket along the length extension direction of the front bracket, and the upper part of the rear bracket is rotatably connected with the sliding piece;

A first link, one end of the first link is rotatably connected to the push rod, and the other end of the first link is rotatably connected to the front bracket;

a second link, one end of the second link is rotatably connected to the first link, and the other end of the second link is rotatably connected to the slider;

The baby stroller also includes a seat assembly that can be detachably arranged on the push rod.

Preferably, the seat assembly includes a surrounding frame and a connecting piece connected to the surrounding frame, the push rod is provided with a seat pocket socket, and the connecting piece is detachably connected to the socket.

Further, the surrounding frame is rotatably connected with the connecting piece, and the seat assembly also includes a function for locking the relative position between the surrounding frame and the connecting piece and making the seat assembly at least in a sitting position, The second locking mechanism at the three working positions of semi-recumbent and carrycot.

Preferably, when the seat assembly is installed on the push rod in a forward direction and is in a sitting working position, the stroller can be folded, and during the folding process, the seat assembly is relative to the push rod The position is unchanged.

Preferably, the seat assembly can be mounted on the stroller frame in a forward or reverse direction.

Preferably, when the stroller is unfolded, on the front bracket, the rotational connection point between the first link and the front bracket is located above the slider; on the rear bracket, the The rotation connection point between the push rod and the rear bracket is located above the rotation connection point between the rear bracket and the slider; on the push rod, the rotation connection between the first connecting rod and the push rod The point is above the rotational connection point of the push rod and the rear bracket.

Preferably, the first locking mechanism is disposed between any two components of the cart frame that are movably connected.

Further, the first locking mechanism is arranged between the front bracket and the slider.

Preferably, the rear support includes rear support rods located on the left and right sides of the cart frame and connecting rods connected between the rear support rods on both sides, and the front support is located on the rear support rods on both sides. Between the support rods, the connecting rod is rotatably connected to the sliding member, and the lower part of the push rod is rotatably connected to the upper part of the rear support rod.

Due to the application of the above technical solutions, the utility model has the following advantages compared with the prior art: the children's stroller of the utility model has a simple structure, and the operation of unfolding and folding is very convenient, and the seat pocket assembly is detachably arranged on the stroller frame on, so that the use of the stroller is very convenient.

Description of drawings

Accompanying drawing 1 is the three-dimensional view of the children's stroller of the present invention in the unfolded state (the seat assembly is in the forward use state and is in the first working position);

Accompanying drawing 2 is the side view of the children's stroller of the present invention in the unfolded state (the seat assembly is in the forward use state and is in the first working position);

Accompanying drawing 3 is the side view of the children's stroller of the present invention in the unfolded state (the seat pocket assembly is in the reverse use state);

Accompanying drawing 4 is the side view of the children's stroller of the present invention in the unfolded state (the seat assembly is in the forward use state and is in the second working position);

Accompanying drawing 5 is the side view of the children's stroller of the present invention in the unfolded state (the seat assembly is in the forward use state and is in the third working position);

Accompanying drawing 6 is the side view of the children's stroller of the present invention in a half-folded state;

Accompanying drawing 7 is the side view of the children's stroller of the present invention in a folded state.

Among them: 1. Cart frame; 11. Front bracket; 12. Rear bracket; 13. Push rod; 14. Slider; 15. First connecting rod; 16. Second connecting rod; 2. Front wheel assembly; 3 . Rear wheel assembly; 4. Seat pocket assembly; 41. Surrounding frame; 42. Connector; 5. Seat pocket socket.

detailed description

The technical solution of the present utility model will be further elaborated below in conjunction with the accompanying drawings and specific embodiments.

As shown in Figures 1 to 7, the children's stroller of the present utility model includes a stroller frame 1 in unfolded and folded states, a front wheel assembly 2 arranged at the bottom front of the stroller frame 1, a front wheel assembly 2 arranged on the stroller The rear wheel assembly 3 at the bottom rear of the vehicle frame 1, the seat pocket assembly 4 detachably arranged on the cart frame 1, and the first locking mechanism for locking the cart frame 1 in the unfolded state.

The stroller frame 1 comprises a front support 11, a rear support 12, a push rod 13, a slider 14, a first connecting rod 15 and a second connecting rod 16, and the front support 11 is inclined upward from the front to the rear, and the front wheel assembly 2 is installed on The bottom of the front bracket 11, the rear wheel assembly 3 is installed on the bottom of the rear bracket 12, the bottom of the push rod 13 is rotatably connected with the top of the rear bracket 12, and the slider 14 can be slidably arranged in the front along the length extension direction of the front bracket 11 On the bracket 11, the slider 14 is rotatably connected to the top of the rear bracket 12, one end of the first connecting rod 15 is rotatably connected to the bottom of the push rod 13, and the other end of the first connecting rod 15 is connected to the top of the front bracket 11. Rotate connected, one end of the second link 16 is rotatably connected with the first link 15, and the other end of the second link 16 is rotatably connected with the slider 14, so that the front bracket 11, the first link 15. A slider crank mechanism is formed between the second connecting rod 16 and the slider 14, and a four-bar linkage mechanism is formed between the front bracket 11, the rear bracket 12, the push rod 13 and the first connecting rod 15.

In this embodiment, when the stroller is in the unfolded state, on the front bracket 11, the slider 14 is located below the rotational connection point between the first connecting rod 15 and the front bracket 11; on the rear bracket 12, the push rod 13 and The rotation connection point of the rear bracket 12 is located above the rotation connection point of the rear bracket 12 and the slider 14; on the push rod 13, the rotation connection point of the first connecting rod 15 and the push rod 13 is located Rotate above the connection point.

In this embodiment, the children's stroller is a tricycle, specifically, the rear support 12 includes rear support rods 121 located on the left and right sides of the stroller frame 1 and connecting rods 122 connected between the rear support rods 121 on both sides. , the front bracket 11 is arranged between the rear struts 121 on both sides, the connecting rod 122 is rotatably connected with the slider 14, and the top of the rear strut 121 is rotatably connected with the bottom of the push rod 13.

The first connecting rod 15 adopts a U-shaped bar with the opening facing upwards. The upper end of the front bracket 11 is provided with a first mounting hole, and the bottom of the first connecting rod 15 is rotatably passed through the first mounting hole to be able to move forward relative to the front. The bracket 11 is flipped back and forth; the second connecting rod 16 also adopts a U-shaped rod with the opening facing upwards, and a second mounting hole is opened on the slider 14, and the bottom of the second connecting rod 16 is rotatably passed through the second mounting hole In the middle, it can be flipped back and forth relative to the sliding member 14 .

Because the seat pocket assembly 4 is detachably connected with the stroller frame 1, the seat pocket assembly 4 can be installed on the stroller frame 1 forward, that is, the child faces forward when sitting in the seat pocket assembly 4, as 1 and 2; or the seat pocket assembly 4 can be reversely installed on the stroller frame 1, that is, the child faces backward when sitting in the seat pocket assembly 4, as shown in Figure 3 .

Specifically, the seat pocket assembly 4 includes a surrounding frame 41 and a connecting piece 42 connected to the surrounding frame 41. The seat pocket socket 5 is arranged on the push rod 13, and the connecting piece 42 is detachably connected with the seat pocket socket 5, thereby Realize the detachable connection between the seat bag assembly 4 and the stroller frame 1 .

The surrounding frame 41 is rotatably connected with the connecting piece 42, so that the angle between the surrounding frame 41 and the connecting piece 42 can be adjusted, that is, the angle between the surrounding frame 41 and the horizontal plane can be adjusted, so that the seat bag assembly 4 is in different use states The seat assembly 4 also includes a second locking mechanism for locking the relative positions of the surrounding frame 41 and the connecting piece 42, the second locking mechanism can at least lock the surrounding frame 41 at three working positions relative to the connecting piece 42, When in the first working position, the seat pocket assembly 4 is in a sitting position, as shown in Figure 1 and Figure 2, and when in the second working position, the seat pocket assembly 4 is in a half-lying use state, as shown in Figure 4, When in the third working position, the seat pocket assembly 4 is in the use state of the sleeping basket, as shown in FIG. 5 . The specific structure of the second locking mechanism is not the technical point to be protected by this patent, and the structure in the prior art can be adopted.

The first locking mechanism can be arranged between any two parts that are movably connected to form the stroller frame 1. In this embodiment, the first locking mechanism is arranged between the front bracket 11 and the slider 14. The first locking mechanism The specific structure is not the technical point to be protected by this patent, and the structure in the prior art can be adopted.

When the stroller is in the unfolded state, as shown in Figures 1 and 2, the first locking mechanism arranged between the front bracket 11 and the slider 14 is in a locked state, so that the front bracket 11, the first connecting rod 15 , The slider crank mechanism formed between the second connecting rod 16 and the slider 14 is in a stable unfolded state, so that the four-bar linkage formed between the front bracket 11, the rear bracket 12, the push rod 13 and the first connecting rod 15 Also in a stable unfolded state.

The stroller can be folded together with the seat assembly 4. When the stroller is folded, first unlock the first locking mechanism so that the slider 14 can slide along the length extension direction of the front bracket 11, and then press down the push rod 13 In the process of turning down, the push rod 13 drives the upper part of the rear bracket 12 and the first connecting rod 15 to turn forward, and in the process of turning the first connecting rod 15 forward, the second connecting rod 16 drives the slider 14 to move along the front bracket 11. The length extension direction of the push rod slides downwards, so that the push rod 13, the first connecting rod 15, the second connecting rod 16, the rear support 12 and the front support 11 gradually move closer along the height direction of the cart frame 1 until the push rod 13, the second connecting rod The first connecting rod 15, the second connecting rod 16, the rear bracket 12 and the front bracket 11 are close together and have a flat and compact structure. During the entire folding process of the stroller, the front wheel assembly 2 and the rear wheel assembly 3 are always supported. Standing on the ground forms a support for the stroller, and the distance between the front wheel assembly 2 and the rear wheel assembly 3 increases gradually, and the final folding is shown in FIG. 7 .

To sum up, the structure of the stroller is simple, and the operation of opening and folding is very convenient, and the seat assembly is detachably connected to the frame of the stroller, and the seat assembly can be installed on the stroller in a forward or opposite direction, which is more convenient. The use of the stroller is facilitated; in addition, the angle between the frame of the seat assembly and the horizontal plane can be adjusted after the seat assembly is arranged on the stroller frame, so that the seat assembly has different working positions, so that The stroller is more comfortable to use.

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. A child stroller, comprising a stroller frame with an unfolded state and a folded state, a front wheel assembly arranged at the bottom front of the stroller frame, and a rear wheel assembly arranged at the bottom rear of the stroller frame The rear wheel assembly, the first locking mechanism for locking the cart frame in the unfolded state, is characterized in that: the cart frame includes: a front bracket for installing the front wheel assembly; a rear bracket for mounting the rear wheel assembly, a push rod, the lower part of the push rod is rotatably connected to the upper part of the rear bracket; a sliding piece, the sliding piece is slidably arranged on the front bracket along the length extension direction of the front bracket, and the upper part of the rear bracket is rotatably connected with the sliding piece; A first link, one end of the first link is rotatably connected to the push rod, and the other end of the first link is rotatably connected to the front bracket; a second link, one end of the second link is rotatably connected to the first link, and the other end of the second link is rotatably connected to the slider; The baby stroller also includes a seat assembly that can be detachably arranged on the push rod. 2. The children's stroller according to claim 1, wherein the seat assembly includes a frame and a connecting piece connected to the frame, the push rod is provided with a seat socket, the The connecting piece is detachably connected with the seat pocket socket. 3. The baby stroller according to claim 2, wherein the surrounding frame is rotatably connected to the connecting piece, and the seat assembly further includes a function for connecting the surrounding frame to the connecting piece. The second locking mechanism that locks the relative position between the seats and makes the seat assembly at least in three working positions of sitting position, semi-lying position and sleeping basket. 4. The children's stroller according to claim 1, characterized in that: when the seat assembly is mounted on the push rod in a forward direction and is in a sitting working position, the children's stroller can be folded, and the folded During the process, the position of the seat pocket assembly relative to the push rod remains unchanged. 5 . The stroller for children according to claim 1 , wherein the seat assembly can be mounted on the stroller frame in a forward or reverse direction. 6 . 6. The children's stroller according to claim 1, wherein when the children's stroller is unfolded, on the front bracket, the rotational connection point between the first link and the front bracket is located at the above the slider; on the rear bracket, the rotation connection point between the push rod and the rear bracket is located above the rotation connection point between the rear bracket and the slider; on the push rod, The rotation connection point of the first connecting rod and the push rod is located above the rotation connection point of the push rod and the rear bracket. 7. The stroller for children according to claim 1, wherein the first locking mechanism is arranged between any two parts of the stroller frame that are movably connected. 8. The stroller for children according to claim 7, wherein the first locking mechanism is disposed between the front bracket and the sliding member. 9. The stroller according to any one of claims 1 to 8, characterized in that: the rear support includes rear struts located on the left and right sides of the stroller frame and the rear support rods connected to the two sides. The connecting rod between the rear support rods, the front bracket is located between the rear support rods on both sides, the connecting rod is rotatably connected with the slider, and the lower part of the push rod is connected to the rear support rod The upper phase is rotationally connected.